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-rw-r--r--src/vnet/lisp-cp/control.c4950
-rw-r--r--src/vnet/lisp-cp/control.h314
-rw-r--r--src/vnet/lisp-cp/gid_dictionary.c865
-rw-r--r--src/vnet/lisp-cp/gid_dictionary.h120
-rw-r--r--src/vnet/lisp-cp/lisp.api835
-rw-r--r--src/vnet/lisp-cp/lisp_api.c1257
-rw-r--r--src/vnet/lisp-cp/lisp_cp_dpo.c117
-rw-r--r--src/vnet/lisp-cp/lisp_cp_dpo.h45
-rw-r--r--src/vnet/lisp-cp/lisp_cp_messages.h613
-rw-r--r--src/vnet/lisp-cp/lisp_msg_serdes.c372
-rw-r--r--src/vnet/lisp-cp/lisp_msg_serdes.h58
-rw-r--r--src/vnet/lisp-cp/lisp_types.c1574
-rw-r--r--src/vnet/lisp-cp/lisp_types.h354
-rw-r--r--src/vnet/lisp-cp/packets.c269
-rw-r--r--src/vnet/lisp-cp/packets.h82
15 files changed, 11825 insertions, 0 deletions
diff --git a/src/vnet/lisp-cp/control.c b/src/vnet/lisp-cp/control.c
new file mode 100644
index 00000000000..de048a4144a
--- /dev/null
+++ b/src/vnet/lisp-cp/control.c
@@ -0,0 +1,4950 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vlibmemory/api.h>
+#include <vnet/lisp-cp/control.h>
+#include <vnet/lisp-cp/packets.h>
+#include <vnet/lisp-cp/lisp_msg_serdes.h>
+#include <vnet/lisp-gpe/lisp_gpe.h>
+#include <vnet/lisp-gpe/lisp_gpe_fwd_entry.h>
+#include <vnet/lisp-gpe/lisp_gpe_tenant.h>
+#include <vnet/fib/fib_entry.h>
+#include <vnet/fib/fib_table.h>
+
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+
+typedef struct
+{
+ u8 is_resend;
+ gid_address_t seid;
+ gid_address_t deid;
+ u8 smr_invoked;
+} map_request_args_t;
+
+typedef struct
+{
+ u64 nonce;
+ u8 is_rloc_probe;
+ mapping_t *mappings;
+} map_records_arg_t;
+
+static int
+lisp_add_del_adjacency (lisp_cp_main_t * lcm, gid_address_t * local_eid,
+ gid_address_t * remote_eid, u8 is_add);
+
+u8
+vnet_lisp_get_map_request_mode (void)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return lcm->map_request_mode;
+}
+
+static u16
+auth_data_len_by_key_id (lisp_key_type_t key_id)
+{
+ switch (key_id)
+ {
+ case HMAC_SHA_1_96:
+ return SHA1_AUTH_DATA_LEN;
+ case HMAC_SHA_256_128:
+ return SHA256_AUTH_DATA_LEN;
+ default:
+ clib_warning ("unsupported key type: %d!", key_id);
+ return (u16) ~ 0;
+ }
+ return (u16) ~ 0;
+}
+
+static const EVP_MD *
+get_encrypt_fcn (lisp_key_type_t key_id)
+{
+ switch (key_id)
+ {
+ case HMAC_SHA_1_96:
+ return EVP_sha1 ();
+ case HMAC_SHA_256_128:
+ return EVP_sha256 ();
+ default:
+ clib_warning ("unsupported encryption key type: %d!", key_id);
+ break;
+ }
+ return 0;
+}
+
+static int
+queue_map_request (gid_address_t * seid, gid_address_t * deid,
+ u8 smr_invoked, u8 is_resend);
+
+ip_interface_address_t *
+ip_interface_get_first_interface_address (ip_lookup_main_t * lm,
+ u32 sw_if_index, u8 loop)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_sw_interface_t *swif = vnet_get_sw_interface (vnm, sw_if_index);
+ if (loop && swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)
+ sw_if_index = swif->unnumbered_sw_if_index;
+ u32 ia =
+ (vec_len ((lm)->if_address_pool_index_by_sw_if_index) > (sw_if_index)) ?
+ vec_elt ((lm)->if_address_pool_index_by_sw_if_index, (sw_if_index)) :
+ (u32) ~ 0;
+ return pool_elt_at_index ((lm)->if_address_pool, ia);
+}
+
+void *
+ip_interface_get_first_address (ip_lookup_main_t * lm, u32 sw_if_index,
+ u8 version)
+{
+ ip_interface_address_t *ia;
+
+ ia = ip_interface_get_first_interface_address (lm, sw_if_index, 1);
+ if (!ia)
+ return 0;
+ return ip_interface_address_get_address (lm, ia);
+}
+
+int
+ip_interface_get_first_ip_address (lisp_cp_main_t * lcm, u32 sw_if_index,
+ u8 version, ip_address_t * result)
+{
+ ip_lookup_main_t *lm;
+ void *addr;
+
+ lm = (version == IP4) ? &lcm->im4->lookup_main : &lcm->im6->lookup_main;
+ addr = ip_interface_get_first_address (lm, sw_if_index, version);
+ if (!addr)
+ return 0;
+
+ ip_address_set (result, addr, version);
+ return 1;
+}
+
+/**
+ * convert from a LISP address to a FIB prefix
+ */
+void
+ip_address_to_fib_prefix (const ip_address_t * addr, fib_prefix_t * prefix)
+{
+ if (addr->version == IP4)
+ {
+ prefix->fp_len = 32;
+ prefix->fp_proto = FIB_PROTOCOL_IP4;
+ memset (&prefix->fp_addr.pad, 0, sizeof (prefix->fp_addr.pad));
+ memcpy (&prefix->fp_addr.ip4, &addr->ip, sizeof (prefix->fp_addr.ip4));
+ }
+ else
+ {
+ prefix->fp_len = 128;
+ prefix->fp_proto = FIB_PROTOCOL_IP6;
+ memcpy (&prefix->fp_addr.ip6, &addr->ip, sizeof (prefix->fp_addr.ip6));
+ }
+}
+
+/**
+ * convert from a LISP to a FIB prefix
+ */
+void
+ip_prefix_to_fib_prefix (const ip_prefix_t * ip_prefix,
+ fib_prefix_t * fib_prefix)
+{
+ ip_address_to_fib_prefix (&ip_prefix->addr, fib_prefix);
+ fib_prefix->fp_len = ip_prefix->len;
+}
+
+/**
+ * Find the sw_if_index of the interface that would be used to egress towards
+ * dst.
+ */
+u32
+ip_fib_get_egress_iface_for_dst (lisp_cp_main_t * lcm, ip_address_t * dst)
+{
+ fib_node_index_t fei;
+ fib_prefix_t prefix;
+
+ ip_address_to_fib_prefix (dst, &prefix);
+
+ fei = fib_table_lookup (0, &prefix);
+
+ return (fib_entry_get_resolving_interface (fei));
+}
+
+/**
+ * Find first IP of the interface that would be used to egress towards dst.
+ * Returns 1 if the address is found 0 otherwise.
+ */
+int
+ip_fib_get_first_egress_ip_for_dst (lisp_cp_main_t * lcm, ip_address_t * dst,
+ ip_address_t * result)
+{
+ u32 si;
+ ip_lookup_main_t *lm;
+ void *addr = 0;
+ u8 ipver;
+
+ ASSERT (result != 0);
+
+ ipver = ip_addr_version (dst);
+
+ lm = (ipver == IP4) ? &lcm->im4->lookup_main : &lcm->im6->lookup_main;
+ si = ip_fib_get_egress_iface_for_dst (lcm, dst);
+
+ if ((u32) ~ 0 == si)
+ return 0;
+
+ /* find the first ip address */
+ addr = ip_interface_get_first_address (lm, si, ipver);
+ if (0 == addr)
+ return 0;
+
+ ip_address_set (result, addr, ipver);
+ return 1;
+}
+
+static int
+dp_add_del_iface (lisp_cp_main_t * lcm, u32 vni, u8 is_l2, u8 is_add)
+{
+ uword *dp_table;
+
+ if (!is_l2)
+ {
+ dp_table = hash_get (lcm->table_id_by_vni, vni);
+
+ if (!dp_table)
+ {
+ clib_warning ("vni %d not associated to a vrf!", vni);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+ }
+ else
+ {
+ dp_table = hash_get (lcm->bd_id_by_vni, vni);
+ if (!dp_table)
+ {
+ clib_warning ("vni %d not associated to a bridge domain!", vni);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+ }
+
+ /* enable/disable data-plane interface */
+ if (is_add)
+ {
+ if (is_l2)
+ lisp_gpe_tenant_l2_iface_add_or_lock (vni, dp_table[0]);
+ else
+ lisp_gpe_tenant_l3_iface_add_or_lock (vni, dp_table[0]);
+ }
+ else
+ {
+ if (is_l2)
+ lisp_gpe_tenant_l2_iface_unlock (vni);
+ else
+ lisp_gpe_tenant_l3_iface_unlock (vni);
+ }
+
+ return 0;
+}
+
+static void
+dp_del_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index)
+{
+ vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
+ fwd_entry_t *fe = 0;
+ uword *feip = 0;
+ memset (a, 0, sizeof (*a));
+
+ feip = hash_get (lcm->fwd_entry_by_mapping_index, dst_map_index);
+ if (!feip)
+ return;
+
+ fe = pool_elt_at_index (lcm->fwd_entry_pool, feip[0]);
+
+ /* delete dp fwd entry */
+ u32 sw_if_index;
+ a->is_add = 0;
+ a->locator_pairs = fe->locator_pairs;
+ a->vni = gid_address_vni (&fe->reid);
+ gid_address_copy (&a->rmt_eid, &fe->reid);
+ if (fe->is_src_dst)
+ gid_address_copy (&a->lcl_eid, &fe->leid);
+
+ vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
+
+ /* delete entry in fwd table */
+ hash_unset (lcm->fwd_entry_by_mapping_index, dst_map_index);
+ vec_free (fe->locator_pairs);
+ pool_put (lcm->fwd_entry_pool, fe);
+}
+
+/**
+ * Finds first remote locator with best (lowest) priority that has a local
+ * peer locator with an underlying route to it.
+ *
+ */
+static u32
+get_locator_pairs (lisp_cp_main_t * lcm, mapping_t * lcl_map,
+ mapping_t * rmt_map, locator_pair_t ** locator_pairs)
+{
+ u32 i, limitp = 0, li, found = 0, esi;
+ locator_set_t *rmt_ls, *lcl_ls;
+ ip_address_t _lcl_addr, *lcl_addr = &_lcl_addr;
+ locator_t *lp, *rmt = 0;
+ uword *checked = 0;
+ locator_pair_t pair;
+
+ rmt_ls =
+ pool_elt_at_index (lcm->locator_set_pool, rmt_map->locator_set_index);
+ lcl_ls =
+ pool_elt_at_index (lcm->locator_set_pool, lcl_map->locator_set_index);
+
+ if (!rmt_ls || vec_len (rmt_ls->locator_indices) == 0)
+ return 0;
+
+ while (1)
+ {
+ rmt = 0;
+
+ /* find unvisited remote locator with best priority */
+ for (i = 0; i < vec_len (rmt_ls->locator_indices); i++)
+ {
+ if (0 != hash_get (checked, i))
+ continue;
+
+ li = vec_elt (rmt_ls->locator_indices, i);
+ lp = pool_elt_at_index (lcm->locator_pool, li);
+
+ /* we don't support non-IP locators for now */
+ if (gid_address_type (&lp->address) != GID_ADDR_IP_PREFIX)
+ continue;
+
+ if ((found && lp->priority == limitp)
+ || (!found && lp->priority >= limitp))
+ {
+ rmt = lp;
+
+ /* don't search for locators with lower priority and don't
+ * check this locator again*/
+ limitp = lp->priority;
+ hash_set (checked, i, 1);
+ break;
+ }
+ }
+ /* check if a local locator with a route to remote locator exists */
+ if (rmt != 0)
+ {
+ /* find egress sw_if_index for rmt locator */
+ esi =
+ ip_fib_get_egress_iface_for_dst (lcm,
+ &gid_address_ip (&rmt->address));
+ if ((u32) ~ 0 == esi)
+ continue;
+
+ for (i = 0; i < vec_len (lcl_ls->locator_indices); i++)
+ {
+ li = vec_elt (lcl_ls->locator_indices, i);
+ locator_t *sl = pool_elt_at_index (lcm->locator_pool, li);
+
+ /* found local locator with the needed sw_if_index */
+ if (sl->sw_if_index == esi)
+ {
+ /* and it has an address */
+ if (0 == ip_interface_get_first_ip_address (lcm,
+ sl->sw_if_index,
+ gid_address_ip_version
+ (&rmt->address),
+ lcl_addr))
+ continue;
+
+ memset (&pair, 0, sizeof (pair));
+ ip_address_copy (&pair.rmt_loc,
+ &gid_address_ip (&rmt->address));
+ ip_address_copy (&pair.lcl_loc, lcl_addr);
+ pair.weight = rmt->weight;
+ pair.priority = rmt->priority;
+ vec_add1 (locator_pairs[0], pair);
+ found = 1;
+ }
+ }
+ }
+ else
+ break;
+ }
+
+ hash_free (checked);
+ return found;
+}
+
+static void
+gid_address_sd_to_flat (gid_address_t * dst, gid_address_t * src,
+ fid_address_t * fid)
+{
+ ASSERT (GID_ADDR_SRC_DST == gid_address_type (src));
+
+ dst[0] = src[0];
+
+ switch (fid_addr_type (fid))
+ {
+ case FID_ADDR_IP_PREF:
+ gid_address_type (dst) = GID_ADDR_IP_PREFIX;
+ gid_address_ippref (dst) = fid_addr_ippref (fid);
+ break;
+ case FID_ADDR_MAC:
+ gid_address_type (dst) = GID_ADDR_MAC;
+ mac_copy (gid_address_mac (dst), fid_addr_mac (fid));
+ break;
+ default:
+ clib_warning ("Unsupported fid type %d!", fid_addr_type (fid));
+ break;
+ }
+}
+
+u8
+vnet_lisp_map_register_state_get (void)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return lcm->map_registering;
+}
+
+u8
+vnet_lisp_rloc_probe_state_get (void)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return lcm->rloc_probing;
+}
+
+static void
+dp_add_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index)
+{
+ vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
+ mapping_t *src_map, *dst_map;
+ u32 sw_if_index;
+ uword *feip = 0, *dpid;
+ fwd_entry_t *fe;
+ u8 type, is_src_dst = 0;
+
+ memset (a, 0, sizeof (*a));
+
+ /* remove entry if it already exists */
+ feip = hash_get (lcm->fwd_entry_by_mapping_index, dst_map_index);
+ if (feip)
+ dp_del_fwd_entry (lcm, src_map_index, dst_map_index);
+
+ if (lcm->lisp_pitr)
+ src_map = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+ else
+ src_map = pool_elt_at_index (lcm->mapping_pool, src_map_index);
+ dst_map = pool_elt_at_index (lcm->mapping_pool, dst_map_index);
+
+ /* insert data plane forwarding entry */
+ a->is_add = 1;
+
+ if (MR_MODE_SRC_DST == lcm->map_request_mode)
+ {
+ if (GID_ADDR_SRC_DST == gid_address_type (&dst_map->eid))
+ {
+ gid_address_sd_to_flat (&a->rmt_eid, &dst_map->eid,
+ &gid_address_sd_dst (&dst_map->eid));
+ gid_address_sd_to_flat (&a->lcl_eid, &dst_map->eid,
+ &gid_address_sd_src (&dst_map->eid));
+ }
+ else
+ {
+ gid_address_copy (&a->rmt_eid, &dst_map->eid);
+ gid_address_copy (&a->lcl_eid, &src_map->eid);
+ }
+ is_src_dst = 1;
+ }
+ else
+ gid_address_copy (&a->rmt_eid, &dst_map->eid);
+
+ a->vni = gid_address_vni (&a->rmt_eid);
+
+ /* get vrf or bd_index associated to vni */
+ type = gid_address_type (&a->rmt_eid);
+ if (GID_ADDR_IP_PREFIX == type)
+ {
+ dpid = hash_get (lcm->table_id_by_vni, a->vni);
+ if (!dpid)
+ {
+ clib_warning ("vni %d not associated to a vrf!", a->vni);
+ return;
+ }
+ a->table_id = dpid[0];
+ }
+ else if (GID_ADDR_MAC == type)
+ {
+ dpid = hash_get (lcm->bd_id_by_vni, a->vni);
+ if (!dpid)
+ {
+ clib_warning ("vni %d not associated to a bridge domain !", a->vni);
+ return;
+ }
+ a->bd_id = dpid[0];
+ }
+
+ /* find best locator pair that 1) verifies LISP policy 2) are connected */
+ if (0 == get_locator_pairs (lcm, src_map, dst_map, &a->locator_pairs))
+ {
+ /* negative entry */
+ a->is_negative = 1;
+ a->action = dst_map->action;
+ }
+
+ /* TODO remove */
+ u8 ipver = ip_prefix_version (&gid_address_ippref (&a->rmt_eid));
+ a->decap_next_index = (ipver == IP4) ?
+ LISP_GPE_INPUT_NEXT_IP4_INPUT : LISP_GPE_INPUT_NEXT_IP6_INPUT;
+
+ vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
+
+ /* add tunnel to fwd entry table XXX check return value from DP insertion */
+ pool_get (lcm->fwd_entry_pool, fe);
+ fe->locator_pairs = a->locator_pairs;
+ gid_address_copy (&fe->reid, &a->rmt_eid);
+ gid_address_copy (&fe->leid, &src_map->eid);
+ fe->is_src_dst = is_src_dst;
+ hash_set (lcm->fwd_entry_by_mapping_index, dst_map_index,
+ fe - lcm->fwd_entry_pool);
+}
+
+/**
+ * Returns vector of adjacencies.
+ *
+ * The caller must free the vector returned by this function.
+ *
+ * @param vni virtual network identifier
+ * @return vector of adjacencies
+ */
+lisp_adjacency_t *
+vnet_lisp_adjacencies_get_by_vni (u32 vni)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ fwd_entry_t *fwd;
+ lisp_adjacency_t *adjs = 0, adj;
+
+ /* *INDENT-OFF* */
+ pool_foreach(fwd, lcm->fwd_entry_pool,
+ ({
+ if (gid_address_vni (&fwd->reid) != vni)
+ continue;
+
+ gid_address_copy (&adj.reid, &fwd->reid);
+ gid_address_copy (&adj.leid, &fwd->leid);
+ vec_add1 (adjs, adj);
+ }));
+ /* *INDENT-ON* */
+
+ return adjs;
+}
+
+static clib_error_t *
+lisp_show_adjacencies_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_adjacency_t *adjs, *adj;
+ vlib_cli_output (vm, "%s %40s\n", "leid", "reid");
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u32 vni = ~0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "vni %d", &vni))
+ ;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'",
+ format_unformat_error, line_input);
+ return 0;
+ }
+ }
+
+ if (~0 == vni)
+ {
+ vlib_cli_output (vm, "error: no vni specified!");
+ return 0;
+ }
+
+ adjs = vnet_lisp_adjacencies_get_by_vni (vni);
+
+ vec_foreach (adj, adjs)
+ {
+ vlib_cli_output (vm, "%U %40U\n", format_gid_address, &adj->leid,
+ format_gid_address, &adj->reid);
+ }
+ vec_free (adjs);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_adjacencies_command) = {
+ .path = "show lisp adjacencies",
+ .short_help = "show lisp adjacencies",
+ .function = lisp_show_adjacencies_command_fn,
+};
+/* *INDENT-ON* */
+
+static lisp_msmr_t *
+get_map_server (ip_address_t * a)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ lisp_msmr_t *m;
+
+ vec_foreach (m, lcm->map_servers)
+ {
+ if (!ip_address_cmp (&m->address, a))
+ {
+ return m;
+ }
+ }
+ return 0;
+}
+
+static lisp_msmr_t *
+get_map_resolver (ip_address_t * a)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ lisp_msmr_t *m;
+
+ vec_foreach (m, lcm->map_resolvers)
+ {
+ if (!ip_address_cmp (&m->address, a))
+ {
+ return m;
+ }
+ }
+ return 0;
+}
+
+int
+vnet_lisp_add_del_map_server (ip_address_t * addr, u8 is_add)
+{
+ u32 i;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ lisp_msmr_t _ms, *ms = &_ms;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ if (is_add)
+ {
+ if (get_map_server (addr))
+ {
+ clib_warning ("map-server %U already exists!", format_ip_address,
+ addr);
+ return -1;
+ }
+
+ memset (ms, 0, sizeof (*ms));
+ ip_address_copy (&ms->address, addr);
+ vec_add1 (lcm->map_servers, ms[0]);
+ }
+ else
+ {
+ for (i = 0; i < vec_len (lcm->map_servers); i++)
+ {
+ ms = vec_elt_at_index (lcm->map_servers, i);
+ if (!ip_address_cmp (&ms->address, addr))
+ {
+ vec_del1 (lcm->map_servers, i);
+ break;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static clib_error_t *
+lisp_add_del_map_server_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ int rv = 0;
+ u8 is_add = 1, ip_set = 0;
+ ip_address_t ip;
+ unformat_input_t _line_input, *line_input = &_line_input;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "add"))
+ is_add = 1;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "%U", unformat_ip_address, &ip))
+ ip_set = 1;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'",
+ format_unformat_error, line_input);
+ return 0;
+ }
+ }
+
+ if (!ip_set)
+ {
+ vlib_cli_output (vm, "map-server ip address not set!");
+ return 0;
+ }
+
+ rv = vnet_lisp_add_del_map_server (&ip, is_add);
+ if (!rv)
+ vlib_cli_output (vm, "failed to %s map-server!",
+ is_add ? "add" : "delete");
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_add_del_map_server_command) = {
+ .path = "lisp map-server",
+ .short_help = "lisp map-server add|del <ip>",
+ .function = lisp_add_del_map_server_command_fn,
+};
+/* *INDENT-ON* */
+
+/**
+ * Add/remove mapping to/from map-cache. Overwriting not allowed.
+ */
+int
+vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a,
+ u32 * map_index_result)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 mi, *map_indexp, map_index, i;
+ mapping_t *m, *old_map;
+ u32 **eid_indexes;
+
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &a->eid);
+ old_map = mi != ~0 ? pool_elt_at_index (lcm->mapping_pool, mi) : 0;
+ if (a->is_add)
+ {
+ /* TODO check if overwriting and take appropriate actions */
+ if (mi != GID_LOOKUP_MISS && !gid_address_cmp (&old_map->eid, &a->eid))
+ {
+ clib_warning ("eid %U found in the eid-table", format_gid_address,
+ &a->eid);
+ return VNET_API_ERROR_VALUE_EXIST;
+ }
+
+ pool_get (lcm->mapping_pool, m);
+ gid_address_copy (&m->eid, &a->eid);
+ m->locator_set_index = a->locator_set_index;
+ m->ttl = a->ttl;
+ m->action = a->action;
+ m->local = a->local;
+ m->is_static = a->is_static;
+ m->key = vec_dup (a->key);
+ m->key_id = a->key_id;
+
+ map_index = m - lcm->mapping_pool;
+ gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->eid, map_index,
+ 1);
+
+ if (pool_is_free_index (lcm->locator_set_pool, a->locator_set_index))
+ {
+ clib_warning ("Locator set with index %d doesn't exist",
+ a->locator_set_index);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ /* add eid to list of eids supported by locator-set */
+ vec_validate (lcm->locator_set_to_eids, a->locator_set_index);
+ eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids,
+ a->locator_set_index);
+ vec_add1 (eid_indexes[0], map_index);
+
+ if (a->local)
+ {
+ /* mark as local */
+ vec_add1 (lcm->local_mappings_indexes, map_index);
+ }
+ map_index_result[0] = map_index;
+ }
+ else
+ {
+ if (mi == GID_LOOKUP_MISS)
+ {
+ clib_warning ("eid %U not found in the eid-table",
+ format_gid_address, &a->eid);
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ /* clear locator-set to eids binding */
+ eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids,
+ a->locator_set_index);
+ for (i = 0; i < vec_len (eid_indexes[0]); i++)
+ {
+ map_indexp = vec_elt_at_index (eid_indexes[0], i);
+ if (map_indexp[0] == mi)
+ break;
+ }
+ vec_del1 (eid_indexes[0], i);
+
+ /* remove local mark if needed */
+ m = pool_elt_at_index (lcm->mapping_pool, mi);
+ if (m->local)
+ {
+ u32 k, *lm_indexp;
+ for (k = 0; k < vec_len (lcm->local_mappings_indexes); k++)
+ {
+ lm_indexp = vec_elt_at_index (lcm->local_mappings_indexes, k);
+ if (lm_indexp[0] == mi)
+ break;
+ }
+ vec_del1 (lcm->local_mappings_indexes, k);
+ }
+
+ /* remove mapping from dictionary */
+ gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->eid, 0, 0);
+ gid_address_free (&m->eid);
+ pool_put_index (lcm->mapping_pool, mi);
+ }
+
+ return 0;
+}
+
+/**
+ * Add/update/delete mapping to/in/from map-cache.
+ */
+int
+vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a,
+ u32 * map_index_result)
+{
+ uword *dp_table = 0;
+ u32 vni;
+ u8 type;
+
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ vni = gid_address_vni (&a->eid);
+ type = gid_address_type (&a->eid);
+ if (GID_ADDR_IP_PREFIX == type)
+ dp_table = hash_get (lcm->table_id_by_vni, vni);
+ else if (GID_ADDR_MAC == type)
+ dp_table = hash_get (lcm->bd_id_by_vni, vni);
+
+ if (!dp_table)
+ {
+ clib_warning ("vni %d not associated to a %s!", vni,
+ GID_ADDR_IP_PREFIX == type ? "vrf" : "bd");
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ /* store/remove mapping from map-cache */
+ return vnet_lisp_map_cache_add_del (a, map_index_result);
+}
+
+static clib_error_t *
+lisp_add_del_local_eid_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1;
+ gid_address_t eid;
+ gid_address_t *eids = 0;
+ clib_error_t *error = 0;
+ u8 *locator_set_name = 0;
+ u32 locator_set_index = 0, map_index = 0;
+ uword *p;
+ vnet_lisp_add_del_mapping_args_t _a, *a = &_a;
+ int rv = 0;
+ u32 vni = 0;
+ u8 *key = 0;
+ u32 key_id = 0;
+
+ memset (&eid, 0, sizeof (eid));
+ memset (a, 0, sizeof (*a));
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "add"))
+ is_add = 1;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "eid %U", unformat_gid_address, &eid))
+ ;
+ else if (unformat (line_input, "vni %d", &vni))
+ gid_address_vni (&eid) = vni;
+ else if (unformat (line_input, "secret-key %_%v%_", &key))
+ ;
+ else if (unformat (line_input, "key-id %U", unformat_hmac_key_id,
+ &key_id))
+ ;
+ else if (unformat (line_input, "locator-set %_%v%_", &locator_set_name))
+ {
+ p = hash_get_mem (lcm->locator_set_index_by_name, locator_set_name);
+ if (!p)
+ {
+ error = clib_error_return (0, "locator-set %s doesn't exist",
+ locator_set_name);
+ goto done;
+ }
+ locator_set_index = p[0];
+ }
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+ /* XXX treat batch configuration */
+
+ if (GID_ADDR_SRC_DST == gid_address_type (&eid))
+ {
+ error =
+ clib_error_return (0, "src/dst is not supported for local EIDs!");
+ goto done;
+ }
+
+ if (key && (0 == key_id))
+ {
+ vlib_cli_output (vm, "invalid key_id!");
+ return 0;
+ }
+
+ gid_address_copy (&a->eid, &eid);
+ a->is_add = is_add;
+ a->locator_set_index = locator_set_index;
+ a->local = 1;
+ a->key = key;
+ a->key_id = key_id;
+
+ rv = vnet_lisp_add_del_local_mapping (a, &map_index);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s local mapping!",
+ is_add ? "add" : "delete");
+ }
+done:
+ vec_free (eids);
+ if (locator_set_name)
+ vec_free (locator_set_name);
+ gid_address_free (&a->eid);
+ vec_free (a->key);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_add_del_local_eid_command) = {
+ .path = "lisp eid-table",
+ .short_help = "lisp eid-table add/del [vni <vni>] eid <eid> "
+ "locator-set <locator-set> [key <secret-key> key-id sha1|sha256 ]",
+ .function = lisp_add_del_local_eid_command_fn,
+};
+/* *INDENT-ON* */
+
+int
+vnet_lisp_eid_table_map (u32 vni, u32 dp_id, u8 is_l2, u8 is_add)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ uword *dp_idp, *vnip, **dp_table_by_vni, **vni_by_dp_table;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return -1;
+ }
+
+ dp_table_by_vni = is_l2 ? &lcm->bd_id_by_vni : &lcm->table_id_by_vni;
+ vni_by_dp_table = is_l2 ? &lcm->vni_by_bd_id : &lcm->vni_by_table_id;
+
+ if (!is_l2 && (vni == 0 || dp_id == 0))
+ {
+ clib_warning ("can't add/del default vni-vrf mapping!");
+ return -1;
+ }
+
+ dp_idp = hash_get (dp_table_by_vni[0], vni);
+ vnip = hash_get (vni_by_dp_table[0], dp_id);
+
+ if (is_add)
+ {
+ if (dp_idp || vnip)
+ {
+ clib_warning ("vni %d or vrf %d already used in vrf/vni "
+ "mapping!", vni, dp_id);
+ return -1;
+ }
+ hash_set (dp_table_by_vni[0], vni, dp_id);
+ hash_set (vni_by_dp_table[0], dp_id, vni);
+
+ /* create dp iface */
+ dp_add_del_iface (lcm, vni, is_l2, 1);
+ }
+ else
+ {
+ if (!dp_idp || !vnip)
+ {
+ clib_warning ("vni %d or vrf %d not used in any vrf/vni! "
+ "mapping!", vni, dp_id);
+ return -1;
+ }
+ hash_unset (dp_table_by_vni[0], vni);
+ hash_unset (vni_by_dp_table[0], dp_id);
+
+ /* remove dp iface */
+ dp_add_del_iface (lcm, vni, is_l2, 0);
+ }
+ return 0;
+
+}
+
+static clib_error_t *
+lisp_eid_table_map_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 is_add = 1, is_l2 = 0;
+ u32 vni = 0, dp_id = 0;
+ unformat_input_t _line_input, *line_input = &_line_input;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "vni %d", &vni))
+ ;
+ else if (unformat (line_input, "vrf %d", &dp_id))
+ ;
+ else if (unformat (line_input, "bd %d", &dp_id))
+ is_l2 = 1;
+ else
+ {
+ return unformat_parse_error (line_input);
+ }
+ }
+ vnet_lisp_eid_table_map (vni, dp_id, is_l2, is_add);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_eid_table_map_command) = {
+ .path = "lisp eid-table map",
+ .short_help = "lisp eid-table map [del] vni <vni> vrf <vrf> | bd <bdi>",
+ .function = lisp_eid_table_map_command_fn,
+};
+/* *INDENT-ON* */
+
+/* return 0 if the two locator sets are identical 1 otherwise */
+static u8
+compare_locators (lisp_cp_main_t * lcm, u32 * old_ls_indexes,
+ locator_t * new_locators)
+{
+ u32 i, old_li;
+ locator_t *old_loc, *new_loc;
+
+ if (vec_len (old_ls_indexes) != vec_len (new_locators))
+ return 1;
+
+ for (i = 0; i < vec_len (new_locators); i++)
+ {
+ old_li = vec_elt (old_ls_indexes, i);
+ old_loc = pool_elt_at_index (lcm->locator_pool, old_li);
+
+ new_loc = vec_elt_at_index (new_locators, i);
+
+ if (locator_cmp (old_loc, new_loc))
+ return 1;
+ }
+ return 0;
+}
+
+typedef struct
+{
+ u8 is_negative;
+ void *lcm;
+ gid_address_t *eids_to_be_deleted;
+} remove_mapping_args_t;
+
+/**
+ * Callback invoked when a sub-prefix is found
+ */
+static void
+remove_mapping_if_needed (u32 mi, void *arg)
+{
+ u8 delete = 0;
+ remove_mapping_args_t *a = arg;
+ lisp_cp_main_t *lcm = a->lcm;
+ mapping_t *m;
+ locator_set_t *ls;
+
+ m = pool_elt_at_index (lcm->mapping_pool, mi);
+ if (!m)
+ return;
+
+ ls = pool_elt_at_index (lcm->locator_set_pool, m->locator_set_index);
+
+ if (a->is_negative)
+ {
+ if (0 != vec_len (ls->locator_indices))
+ delete = 1;
+ }
+ else
+ {
+ if (0 == vec_len (ls->locator_indices))
+ delete = 1;
+ }
+
+ if (delete)
+ vec_add1 (a->eids_to_be_deleted, m->eid);
+}
+
+/**
+ * This function searches map cache and looks for IP prefixes that are subset
+ * of the provided one. If such prefix is found depending on 'is_negative'
+ * it does follows:
+ *
+ * 1) if is_negative is true and found prefix points to positive mapping,
+ * then the mapping is removed
+ * 2) if is_negative is false and found prefix points to negative mapping,
+ * then the mapping is removed
+ */
+static void
+remove_overlapping_sub_prefixes (lisp_cp_main_t * lcm, gid_address_t * eid,
+ u8 is_negative)
+{
+ gid_address_t *e;
+ remove_mapping_args_t a;
+ memset (&a, 0, sizeof (a));
+
+ /* do this only in src/dst mode ... */
+ if (MR_MODE_SRC_DST != lcm->map_request_mode)
+ return;
+
+ /* ... and only for IP prefix */
+ if (GID_ADDR_SRC_DST != gid_address_type (eid)
+ || (FID_ADDR_IP_PREF != gid_address_sd_dst_type (eid)))
+ return;
+
+ a.is_negative = is_negative;
+ a.lcm = lcm;
+
+ gid_dict_foreach_subprefix (&lcm->mapping_index_by_gid, eid,
+ remove_mapping_if_needed, &a);
+
+ vec_foreach (e, a.eids_to_be_deleted)
+ {
+ lisp_add_del_adjacency (lcm, 0, e, 0 /* is_add */ );
+ vnet_lisp_add_del_mapping (e, 0, 0, 0, 0, 0 /* is add */ , 0, 0);
+ }
+
+ vec_free (a.eids_to_be_deleted);
+}
+
+static void
+mapping_delete_timer (lisp_cp_main_t * lcm, u32 mi)
+{
+ timing_wheel_delete (&lcm->wheel, mi);
+}
+
+/**
+ * Adds/removes/updates mapping. Does not program forwarding.
+ *
+ * @param eid end-host identifier
+ * @param rlocs vector of remote locators
+ * @param action action for negative map-reply
+ * @param is_add add mapping if non-zero, delete otherwise
+ * @param res_map_index the map-index that was created/updated/removed. It is
+ * set to ~0 if no action is taken.
+ * @param is_static used for distinguishing between statically learned
+ remote mappings and mappings obtained from MR
+ * @return return code
+ */
+int
+vnet_lisp_add_del_mapping (gid_address_t * eid, locator_t * rlocs, u8 action,
+ u8 authoritative, u32 ttl, u8 is_add, u8 is_static,
+ u32 * res_map_index)
+{
+ vnet_lisp_add_del_mapping_args_t _m_args, *m_args = &_m_args;
+ vnet_lisp_add_del_locator_set_args_t _ls_args, *ls_args = &_ls_args;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 mi, ls_index = 0, dst_map_index;
+ mapping_t *old_map;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ if (res_map_index)
+ res_map_index[0] = ~0;
+
+ memset (m_args, 0, sizeof (m_args[0]));
+ memset (ls_args, 0, sizeof (ls_args[0]));
+
+ ls_args->locators = rlocs;
+
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, eid);
+ old_map = ((u32) ~ 0 != mi) ? pool_elt_at_index (lcm->mapping_pool, mi) : 0;
+
+ if (is_add)
+ {
+ /* overwrite: if mapping already exists, decide if locators should be
+ * updated and be done */
+ if (old_map && gid_address_cmp (&old_map->eid, eid) == 0)
+ {
+ if (!is_static && (old_map->is_static || old_map->local))
+ {
+ /* do not overwrite local or static remote mappings */
+ clib_warning ("mapping %U rejected due to collision with local "
+ "or static remote mapping!", format_gid_address,
+ eid);
+ return 0;
+ }
+
+ locator_set_t *old_ls;
+
+ /* update mapping attributes */
+ old_map->action = action;
+ old_map->authoritative = authoritative;
+ old_map->ttl = ttl;
+
+ old_ls = pool_elt_at_index (lcm->locator_set_pool,
+ old_map->locator_set_index);
+ if (compare_locators (lcm, old_ls->locator_indices,
+ ls_args->locators))
+ {
+ /* set locator-set index to overwrite */
+ ls_args->is_add = 1;
+ ls_args->index = old_map->locator_set_index;
+ vnet_lisp_add_del_locator_set (ls_args, 0);
+ if (res_map_index)
+ res_map_index[0] = mi;
+ }
+ }
+ /* new mapping */
+ else
+ {
+ remove_overlapping_sub_prefixes (lcm, eid, 0 == ls_args->locators);
+
+ ls_args->is_add = 1;
+ ls_args->index = ~0;
+
+ vnet_lisp_add_del_locator_set (ls_args, &ls_index);
+
+ /* add mapping */
+ gid_address_copy (&m_args->eid, eid);
+ m_args->is_add = 1;
+ m_args->action = action;
+ m_args->locator_set_index = ls_index;
+ m_args->is_static = is_static;
+ m_args->ttl = ttl;
+ vnet_lisp_map_cache_add_del (m_args, &dst_map_index);
+
+ if (res_map_index)
+ res_map_index[0] = dst_map_index;
+ }
+ }
+ else
+ {
+ if (old_map == 0 || gid_address_cmp (&old_map->eid, eid) != 0)
+ {
+ clib_warning ("cannot delete mapping for eid %U",
+ format_gid_address, eid);
+ return -1;
+ }
+
+ m_args->is_add = 0;
+ gid_address_copy (&m_args->eid, eid);
+ m_args->locator_set_index = old_map->locator_set_index;
+
+ /* delete mapping associated from map-cache */
+ vnet_lisp_map_cache_add_del (m_args, 0);
+
+ ls_args->is_add = 0;
+ ls_args->index = old_map->locator_set_index;
+ /* delete locator set */
+ vnet_lisp_add_del_locator_set (ls_args, 0);
+
+ /* delete timer associated to the mapping if any */
+ if (old_map->timer_set)
+ mapping_delete_timer (lcm, mi);
+
+ /* return old mapping index */
+ if (res_map_index)
+ res_map_index[0] = mi;
+ }
+
+ /* success */
+ return 0;
+}
+
+int
+vnet_lisp_clear_all_remote_adjacencies (void)
+{
+ int rv = 0;
+ u32 mi, *map_indices = 0, *map_indexp;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ vnet_lisp_add_del_mapping_args_t _dm_args, *dm_args = &_dm_args;
+ vnet_lisp_add_del_locator_set_args_t _ls, *ls = &_ls;
+
+ /* *INDENT-OFF* */
+ pool_foreach_index (mi, lcm->mapping_pool,
+ ({
+ vec_add1 (map_indices, mi);
+ }));
+ /* *INDENT-ON* */
+
+ vec_foreach (map_indexp, map_indices)
+ {
+ mapping_t *map = pool_elt_at_index (lcm->mapping_pool, map_indexp[0]);
+ if (!map->local)
+ {
+ dp_del_fwd_entry (lcm, 0, map_indexp[0]);
+
+ dm_args->is_add = 0;
+ gid_address_copy (&dm_args->eid, &map->eid);
+ dm_args->locator_set_index = map->locator_set_index;
+
+ /* delete mapping associated to fwd entry */
+ vnet_lisp_map_cache_add_del (dm_args, 0);
+
+ ls->is_add = 0;
+ ls->local = 0;
+ ls->index = map->locator_set_index;
+ /* delete locator set */
+ rv = vnet_lisp_add_del_locator_set (ls, 0);
+ if (rv != 0)
+ goto cleanup;
+ }
+ }
+
+cleanup:
+ if (map_indices)
+ vec_free (map_indices);
+ return rv;
+}
+
+/**
+ * Adds adjacency or removes forwarding entry associated to remote mapping.
+ * Note that adjacencies are not stored, they only result in forwarding entries
+ * being created.
+ */
+static int
+lisp_add_del_adjacency (lisp_cp_main_t * lcm, gid_address_t * local_eid,
+ gid_address_t * remote_eid, u8 is_add)
+{
+ u32 local_mi, remote_mi = ~0;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ remote_mi = gid_dictionary_sd_lookup (&lcm->mapping_index_by_gid,
+ remote_eid, local_eid);
+ if (GID_LOOKUP_MISS == remote_mi)
+ {
+ clib_warning ("Remote eid %U not found. Cannot add adjacency!",
+ format_gid_address, remote_eid);
+
+ return -1;
+ }
+
+ if (is_add)
+ {
+ /* TODO 1) check if src/dst 2) once we have src/dst working, use it in
+ * delete*/
+
+ /* check if source eid has an associated mapping. If pitr mode is on,
+ * just use the pitr's mapping */
+ local_mi = lcm->lisp_pitr ? lcm->pitr_map_index :
+ gid_dictionary_lookup (&lcm->mapping_index_by_gid, local_eid);
+
+
+ if (GID_LOOKUP_MISS == local_mi)
+ {
+ clib_warning ("Local eid %U not found. Cannot add adjacency!",
+ format_gid_address, local_eid);
+
+ return -1;
+ }
+
+ /* update forwarding */
+ dp_add_fwd_entry (lcm, local_mi, remote_mi);
+ }
+ else
+ dp_del_fwd_entry (lcm, 0, remote_mi);
+
+ return 0;
+}
+
+int
+vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return lisp_add_del_adjacency (lcm, &a->leid, &a->reid, a->is_add);
+}
+
+/**
+ * Handler for add/del remote mapping CLI.
+ *
+ * @param vm vlib context
+ * @param input input from user
+ * @param cmd cmd
+ * @return pointer to clib error structure
+ */
+static clib_error_t *
+lisp_add_del_remote_mapping_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ clib_error_t *error = 0;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1, del_all = 0;
+ locator_t rloc, *rlocs = 0, *curr_rloc = 0;
+ gid_address_t eid;
+ u8 eid_set = 0;
+ u32 vni, action = ~0, p, w;
+ int rv;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ memset (&eid, 0, sizeof (eid));
+ memset (&rloc, 0, sizeof (rloc));
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del-all"))
+ del_all = 1;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "add"))
+ ;
+ else if (unformat (line_input, "eid %U", unformat_gid_address, &eid))
+ eid_set = 1;
+ else if (unformat (line_input, "vni %u", &vni))
+ {
+ gid_address_vni (&eid) = vni;
+ }
+ else if (unformat (line_input, "p %d w %d", &p, &w))
+ {
+ if (!curr_rloc)
+ {
+ clib_warning
+ ("No RLOC configured for setting priority/weight!");
+ goto done;
+ }
+ curr_rloc->priority = p;
+ curr_rloc->weight = w;
+ }
+ else if (unformat (line_input, "rloc %U", unformat_ip_address,
+ &gid_address_ip (&rloc.address)))
+ {
+ /* since rloc is stored in ip prefix we need to set prefix length */
+ ip_prefix_t *pref = &gid_address_ippref (&rloc.address);
+
+ u8 version = gid_address_ip_version (&rloc.address);
+ ip_prefix_len (pref) = ip_address_max_len (version);
+
+ vec_add1 (rlocs, rloc);
+ curr_rloc = &rlocs[vec_len (rlocs) - 1];
+ }
+ else if (unformat (line_input, "action %U",
+ unformat_negative_mapping_action, &action))
+ ;
+ else
+ {
+ clib_warning ("parse error");
+ goto done;
+ }
+ }
+
+ if (!eid_set)
+ {
+ clib_warning ("missing eid!");
+ goto done;
+ }
+
+ if (!del_all)
+ {
+ if (is_add && (~0 == action) && 0 == vec_len (rlocs))
+ {
+ clib_warning ("no action set for negative map-reply!");
+ goto done;
+ }
+ }
+ else
+ {
+ vnet_lisp_clear_all_remote_adjacencies ();
+ goto done;
+ }
+
+ /* TODO build src/dst with seid */
+
+ /* if it's a delete, clean forwarding */
+ if (!is_add)
+ {
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ rv = lisp_add_del_adjacency (lcm, 0, &eid, /* is_add */ 0);
+ if (rv)
+ {
+ goto done;
+ }
+ }
+
+ /* add as static remote mapping, i.e., not authoritative and infinite
+ * ttl */
+ rv = vnet_lisp_add_del_mapping (&eid, rlocs, action, 0, ~0, is_add,
+ 1 /* is_static */ , 0);
+
+ if (rv)
+ clib_warning ("failed to %s remote mapping!", is_add ? "add" : "delete");
+
+done:
+ vec_free (rlocs);
+ unformat_free (line_input);
+ return error;
+}
+
+VLIB_CLI_COMMAND (lisp_add_del_remote_mapping_command) =
+{
+.path = "lisp remote-mapping",.short_help =
+ "lisp remote-mapping add|del [del-all] vni <vni> "
+ "eid <est-eid> [action <no-action|natively-forward|"
+ "send-map-request|drop>] rloc <dst-locator> p <prio> w <weight> "
+ "[rloc <dst-locator> ... ]",.function =
+ lisp_add_del_remote_mapping_command_fn,};
+
+/**
+ * Handler for add/del adjacency CLI.
+ */
+static clib_error_t *
+lisp_add_del_adjacency_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ clib_error_t *error = 0;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ vnet_lisp_add_del_adjacency_args_t _a, *a = &_a;
+ u8 is_add = 1;
+ ip_prefix_t *reid_ippref, *leid_ippref;
+ gid_address_t leid, reid;
+ u8 *dmac = gid_address_mac (&reid);
+ u8 *smac = gid_address_mac (&leid);
+ u8 reid_set = 0, leid_set = 0;
+ u32 vni;
+ int rv;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ memset (&reid, 0, sizeof (reid));
+ memset (&leid, 0, sizeof (leid));
+
+ leid_ippref = &gid_address_ippref (&leid);
+ reid_ippref = &gid_address_ippref (&reid);
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "add"))
+ ;
+ else if (unformat (line_input, "reid %U",
+ unformat_ip_prefix, reid_ippref))
+ {
+ gid_address_type (&reid) = GID_ADDR_IP_PREFIX;
+ reid_set = 1;
+ }
+ else if (unformat (line_input, "reid %U", unformat_mac_address, dmac))
+ {
+ gid_address_type (&reid) = GID_ADDR_MAC;
+ reid_set = 1;
+ }
+ else if (unformat (line_input, "vni %u", &vni))
+ {
+ gid_address_vni (&leid) = vni;
+ gid_address_vni (&reid) = vni;
+ }
+ else if (unformat (line_input, "leid %U",
+ unformat_ip_prefix, leid_ippref))
+ {
+ gid_address_type (&leid) = GID_ADDR_IP_PREFIX;
+ leid_set = 1;
+ }
+ else if (unformat (line_input, "leid %U", unformat_mac_address, smac))
+ {
+ gid_address_type (&leid) = GID_ADDR_MAC;
+ leid_set = 1;
+ }
+ else
+ {
+ clib_warning ("parse error");
+ goto done;
+ }
+ }
+
+ if (!reid_set || !leid_set)
+ {
+ clib_warning ("missing remote or local eid!");
+ goto done;
+ }
+
+ if ((gid_address_type (&leid) != gid_address_type (&reid))
+ || (gid_address_type (&reid) == GID_ADDR_IP_PREFIX
+ && ip_prefix_version (reid_ippref)
+ != ip_prefix_version (leid_ippref)))
+ {
+ clib_warning ("remote and local EIDs are of different types!");
+ return error;
+ }
+
+ memset (a, 0, sizeof (a[0]));
+ gid_address_copy (&a->leid, &leid);
+ gid_address_copy (&a->reid, &reid);
+
+ a->is_add = is_add;
+ rv = vnet_lisp_add_del_adjacency (a);
+
+ if (rv)
+ clib_warning ("failed to %s adjacency!", is_add ? "add" : "delete");
+
+done:
+ unformat_free (line_input);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_add_del_adjacency_command) = {
+ .path = "lisp adjacency",
+ .short_help = "lisp adjacency add|del vni <vni> reid <remote-eid> "
+ "leid <local-eid>",
+ .function = lisp_add_del_adjacency_command_fn,
+};
+/* *INDENT-ON* */
+
+int
+vnet_lisp_set_map_request_mode (u8 mode)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ if (mode >= _MR_MODE_MAX)
+ {
+ clib_warning ("Invalid LISP map request mode %d!", mode);
+ return VNET_API_ERROR_INVALID_ARGUMENT;
+ }
+
+ lcm->map_request_mode = mode;
+ return 0;
+}
+
+static clib_error_t *
+lisp_map_request_mode_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _i, *i = &_i;
+ map_request_mode_t mr_mode = _MR_MODE_MAX;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, i))
+ return 0;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "dst-only"))
+ mr_mode = MR_MODE_DST_ONLY;
+ else if (unformat (i, "src-dst"))
+ mr_mode = MR_MODE_SRC_DST;
+ else
+ {
+ clib_warning ("parse error '%U'", format_unformat_error, i);
+ goto done;
+ }
+ }
+
+ if (_MR_MODE_MAX == mr_mode)
+ {
+ clib_warning ("No LISP map request mode entered!");
+ return 0;
+ }
+
+ vnet_lisp_set_map_request_mode (mr_mode);
+done:
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_map_request_mode_command) = {
+ .path = "lisp map-request mode",
+ .short_help = "lisp map-request mode dst-only|src-dst",
+ .function = lisp_map_request_mode_command_fn,
+};
+/* *INDENT-ON* */
+
+static u8 *
+format_lisp_map_request_mode (u8 * s, va_list * args)
+{
+ u32 mode = va_arg (*args, u32);
+
+ switch (mode)
+ {
+ case 0:
+ return format (0, "dst-only");
+ case 1:
+ return format (0, "src-dst");
+ }
+ return 0;
+}
+
+static clib_error_t *
+lisp_show_map_request_mode_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_cli_output (vm, "map-request mode: %U", format_lisp_map_request_mode,
+ vnet_lisp_get_map_request_mode ());
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_map_request_mode_command) = {
+ .path = "show lisp map-request mode",
+ .short_help = "show lisp map-request mode",
+ .function = lisp_show_map_request_mode_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_show_map_resolvers_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_msmr_t *mr;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ vec_foreach (mr, lcm->map_resolvers)
+ {
+ vlib_cli_output (vm, "%U", format_ip_address, &mr->address);
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_map_resolvers_command) = {
+ .path = "show lisp map-resolvers",
+ .short_help = "show lisp map-resolvers",
+ .function = lisp_show_map_resolvers_command_fn,
+};
+/* *INDENT-ON* */
+
+int
+vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 locator_set_index = ~0;
+ mapping_t *m;
+ uword *p;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ p = hash_get_mem (lcm->locator_set_index_by_name, locator_set_name);
+ if (!p)
+ {
+ clib_warning ("locator-set %v doesn't exist", locator_set_name);
+ return -1;
+ }
+ locator_set_index = p[0];
+
+ if (is_add)
+ {
+ pool_get (lcm->mapping_pool, m);
+ m->locator_set_index = locator_set_index;
+ m->local = 1;
+ lcm->pitr_map_index = m - lcm->mapping_pool;
+
+ /* enable pitr mode */
+ lcm->lisp_pitr = 1;
+ }
+ else
+ {
+ /* remove pitr mapping */
+ pool_put_index (lcm->mapping_pool, lcm->pitr_map_index);
+
+ /* disable pitr mode */
+ lcm->lisp_pitr = 0;
+ }
+ return 0;
+}
+
+static clib_error_t *
+lisp_pitr_set_locator_set_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 locator_name_set = 0;
+ u8 *locator_set_name = 0;
+ u8 is_add = 1;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = 0;
+ int rv = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "ls %_%v%_", &locator_set_name))
+ locator_name_set = 1;
+ else if (unformat (line_input, "disable"))
+ is_add = 0;
+ else
+ return clib_error_return (0, "parse error");
+ }
+
+ if (!locator_name_set)
+ {
+ clib_warning ("No locator set specified!");
+ goto done;
+ }
+ rv = vnet_lisp_pitr_set_locator_set (locator_set_name, is_add);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s pitr!",
+ is_add ? "add" : "delete");
+ }
+
+done:
+ if (locator_set_name)
+ vec_free (locator_set_name);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_pitr_set_locator_set_command) = {
+ .path = "lisp pitr",
+ .short_help = "lisp pitr [disable] ls <locator-set-name>",
+ .function = lisp_pitr_set_locator_set_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_show_pitr_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ mapping_t *m;
+ locator_set_t *ls;
+ u8 *tmp_str = 0;
+
+ vlib_cli_output (vm, "%=20s%=16s",
+ "pitr", lcm->lisp_pitr ? "locator-set" : "");
+
+ if (!lcm->lisp_pitr)
+ {
+ vlib_cli_output (vm, "%=20s", "disable");
+ return 0;
+ }
+
+ if (~0 == lcm->pitr_map_index)
+ {
+ tmp_str = format (0, "N/A");
+ }
+ else
+ {
+ m = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+ if (~0 != m->locator_set_index)
+ {
+ ls =
+ pool_elt_at_index (lcm->locator_set_pool, m->locator_set_index);
+ tmp_str = format (0, "%s", ls->name);
+ }
+ else
+ {
+ tmp_str = format (0, "N/A");
+ }
+ }
+ vec_add1 (tmp_str, 0);
+
+ vlib_cli_output (vm, "%=20s%=16s", "enable", tmp_str);
+
+ vec_free (tmp_str);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_pitr_command) = {
+ .path = "show lisp pitr",
+ .short_help = "Show pitr",
+ .function = lisp_show_pitr_command_fn,
+};
+/* *INDENT-ON* */
+
+static u8 *
+format_eid_entry (u8 * s, va_list * args)
+{
+ vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
+ lisp_cp_main_t *lcm = va_arg (*args, lisp_cp_main_t *);
+ mapping_t *mapit = va_arg (*args, mapping_t *);
+ locator_set_t *ls = va_arg (*args, locator_set_t *);
+ gid_address_t *gid = &mapit->eid;
+ u32 ttl = mapit->ttl;
+ u8 aut = mapit->authoritative;
+ u32 *loc_index;
+ u8 first_line = 1;
+ u8 *loc;
+
+ u8 *type = ls->local ? format (0, "local(%s)", ls->name)
+ : format (0, "remote");
+
+ if (vec_len (ls->locator_indices) == 0)
+ {
+ s = format (s, "%-35U%-30s%-20u%-u", format_gid_address, gid,
+ type, ttl, aut);
+ }
+ else
+ {
+ vec_foreach (loc_index, ls->locator_indices)
+ {
+ locator_t *l = pool_elt_at_index (lcm->locator_pool, loc_index[0]);
+ if (l->local)
+ loc = format (0, "%U", format_vnet_sw_if_index_name, vnm,
+ l->sw_if_index);
+ else
+ loc = format (0, "%U", format_ip_address,
+ &gid_address_ip (&l->address));
+
+ if (first_line)
+ {
+ s = format (s, "%-35U%-20s%-30v%-20u%-u\n", format_gid_address,
+ gid, type, loc, ttl, aut);
+ first_line = 0;
+ }
+ else
+ s = format (s, "%55s%v\n", "", loc);
+ }
+ }
+ return s;
+}
+
+static clib_error_t *
+lisp_show_eid_table_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ mapping_t *mapit;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u32 mi;
+ gid_address_t eid;
+ u8 print_all = 1;
+ u8 filter = 0;
+
+ memset (&eid, 0, sizeof (eid));
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "eid %U", unformat_gid_address, &eid))
+ print_all = 0;
+ else if (unformat (line_input, "local"))
+ filter = 1;
+ else if (unformat (line_input, "remote"))
+ filter = 2;
+ else
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+
+ vlib_cli_output (vm, "%-35s%-20s%-30s%-20s%-s",
+ "EID", "type", "locators", "ttl", "autoritative");
+
+ if (print_all)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (mapit, lcm->mapping_pool,
+ ({
+ locator_set_t * ls = pool_elt_at_index (lcm->locator_set_pool,
+ mapit->locator_set_index);
+ if (filter && !((1 == filter && ls->local) ||
+ (2 == filter && !ls->local)))
+ {
+ continue;
+ }
+ vlib_cli_output (vm, "%U", format_eid_entry, lcm->vnet_main,
+ lcm, mapit, ls);
+ }));
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &eid);
+ if ((u32) ~ 0 == mi)
+ return 0;
+
+ mapit = pool_elt_at_index (lcm->mapping_pool, mi);
+ locator_set_t *ls = pool_elt_at_index (lcm->locator_set_pool,
+ mapit->locator_set_index);
+
+ if (filter && !((1 == filter && ls->local) ||
+ (2 == filter && !ls->local)))
+ {
+ return 0;
+ }
+
+ vlib_cli_output (vm, "%U,", format_eid_entry, lcm->vnet_main,
+ lcm, mapit, ls);
+ }
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_cp_show_eid_table_command) = {
+ .path = "show lisp eid-table",
+ .short_help = "Shows EID table",
+ .function = lisp_show_eid_table_command_fn,
+};
+/* *INDENT-ON* */
+
+/* cleans locator to locator-set data and removes locators not part of
+ * any locator-set */
+static void
+clean_locator_to_locator_set (lisp_cp_main_t * lcm, u32 lsi)
+{
+ u32 i, j, *loc_indexp, *ls_indexp, **ls_indexes, *to_be_deleted = 0;
+ locator_set_t *ls = pool_elt_at_index (lcm->locator_set_pool, lsi);
+ for (i = 0; i < vec_len (ls->locator_indices); i++)
+ {
+ loc_indexp = vec_elt_at_index (ls->locator_indices, i);
+ ls_indexes = vec_elt_at_index (lcm->locator_to_locator_sets,
+ loc_indexp[0]);
+ for (j = 0; j < vec_len (ls_indexes[0]); j++)
+ {
+ ls_indexp = vec_elt_at_index (ls_indexes[0], j);
+ if (ls_indexp[0] == lsi)
+ break;
+ }
+
+ /* delete index for removed locator-set */
+ vec_del1 (ls_indexes[0], j);
+
+ /* delete locator if it's part of no locator-set */
+ if (vec_len (ls_indexes[0]) == 0)
+ {
+ pool_put_index (lcm->locator_pool, loc_indexp[0]);
+ vec_add1 (to_be_deleted, i);
+ }
+ }
+
+ if (to_be_deleted)
+ {
+ for (i = 0; i < vec_len (to_be_deleted); i++)
+ {
+ loc_indexp = vec_elt_at_index (to_be_deleted, i);
+ vec_del1 (ls->locator_indices, loc_indexp[0]);
+ }
+ vec_free (to_be_deleted);
+ }
+}
+
+static inline uword *
+get_locator_set_index (vnet_lisp_add_del_locator_set_args_t * a, uword * p)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ ASSERT (a != NULL);
+ ASSERT (p != NULL);
+
+ /* find locator-set */
+ if (a->local)
+ {
+ p = hash_get_mem (lcm->locator_set_index_by_name, a->name);
+ }
+ else
+ {
+ *p = a->index;
+ }
+
+ return p;
+}
+
+static inline int
+is_locator_in_locator_set (lisp_cp_main_t * lcm, locator_set_t * ls,
+ locator_t * loc)
+{
+ locator_t *itloc;
+ u32 *locit;
+
+ ASSERT (ls != NULL);
+ ASSERT (loc != NULL);
+
+ vec_foreach (locit, ls->locator_indices)
+ {
+ itloc = pool_elt_at_index (lcm->locator_pool, locit[0]);
+ if ((ls->local && itloc->sw_if_index == loc->sw_if_index) ||
+ (!ls->local && !gid_address_cmp (&itloc->address, &loc->address)))
+ {
+ clib_warning ("Duplicate locator");
+ return VNET_API_ERROR_VALUE_EXIST;
+ }
+ }
+
+ return 0;
+}
+
+static inline void
+remove_locator_from_locator_set (locator_set_t * ls, u32 * locit,
+ u32 ls_index, u32 loc_id)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 **ls_indexes = NULL;
+
+ ASSERT (ls != NULL);
+ ASSERT (locit != NULL);
+
+ ls_indexes = vec_elt_at_index (lcm->locator_to_locator_sets, locit[0]);
+ pool_put_index (lcm->locator_pool, locit[0]);
+ vec_del1 (ls->locator_indices, loc_id);
+ vec_del1 (ls_indexes[0], ls_index);
+}
+
+int
+vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a,
+ locator_set_t * ls, u32 * ls_result)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_t *loc = NULL, *itloc = NULL;
+ uword _p = (u32) ~ 0, *p = &_p;
+ u32 loc_index = ~0, ls_index = ~0, *locit = NULL, **ls_indexes = NULL;
+ u32 loc_id = ~0;
+ int ret = 0;
+
+ ASSERT (a != NULL);
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ p = get_locator_set_index (a, p);
+ if (!p)
+ {
+ clib_warning ("locator-set %v doesn't exist", a->name);
+ return VNET_API_ERROR_INVALID_ARGUMENT;
+ }
+
+ if (ls == 0)
+ {
+ ls = pool_elt_at_index (lcm->locator_set_pool, p[0]);
+ if (!ls)
+ {
+ clib_warning ("locator-set %d to be overwritten doesn't exist!",
+ p[0]);
+ return VNET_API_ERROR_INVALID_ARGUMENT;
+ }
+ }
+
+ if (a->is_add)
+ {
+ if (ls_result)
+ ls_result[0] = p[0];
+
+ /* allocate locators */
+ vec_foreach (itloc, a->locators)
+ {
+ ret = is_locator_in_locator_set (lcm, ls, itloc);
+ if (0 != ret)
+ {
+ return ret;
+ }
+
+ pool_get (lcm->locator_pool, loc);
+ loc[0] = itloc[0];
+ loc_index = loc - lcm->locator_pool;
+
+ vec_add1 (ls->locator_indices, loc_index);
+
+ vec_validate (lcm->locator_to_locator_sets, loc_index);
+ ls_indexes = vec_elt_at_index (lcm->locator_to_locator_sets,
+ loc_index);
+ vec_add1 (ls_indexes[0], p[0]);
+ }
+ }
+ else
+ {
+ ls_index = p[0];
+
+ itloc = a->locators;
+ loc_id = 0;
+ vec_foreach (locit, ls->locator_indices)
+ {
+ loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
+
+ if (loc->local && loc->sw_if_index == itloc->sw_if_index)
+ {
+ remove_locator_from_locator_set (ls, locit, ls_index, loc_id);
+ }
+ if (0 == loc->local &&
+ !gid_address_cmp (&loc->address, &itloc->address))
+ {
+ remove_locator_from_locator_set (ls, locit, ls_index, loc_id);
+ }
+
+ loc_id++;
+ }
+ }
+
+ return 0;
+}
+
+int
+vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a,
+ u32 * ls_result)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_set_t *ls;
+ uword _p = (u32) ~ 0, *p = &_p;
+ u32 ls_index;
+ u32 **eid_indexes;
+ int ret = 0;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ if (a->is_add)
+ {
+ p = get_locator_set_index (a, p);
+
+ /* overwrite */
+ if (p && p[0] != (u32) ~ 0)
+ {
+ ls = pool_elt_at_index (lcm->locator_set_pool, p[0]);
+ if (!ls)
+ {
+ clib_warning ("locator-set %d to be overwritten doesn't exist!",
+ p[0]);
+ return -1;
+ }
+
+ /* clean locator to locator-set vectors and remove locators if
+ * they're not part of another locator-set */
+ clean_locator_to_locator_set (lcm, p[0]);
+
+ /* remove locator indices from locator set */
+ vec_free (ls->locator_indices);
+
+ ls_index = p[0];
+
+ if (ls_result)
+ ls_result[0] = p[0];
+ }
+ /* new locator-set */
+ else
+ {
+ pool_get (lcm->locator_set_pool, ls);
+ memset (ls, 0, sizeof (*ls));
+ ls_index = ls - lcm->locator_set_pool;
+
+ if (a->local)
+ {
+ ls->name = vec_dup (a->name);
+
+ if (!lcm->locator_set_index_by_name)
+ lcm->locator_set_index_by_name = hash_create_vec (
+ /* size */
+ 0,
+ sizeof
+ (ls->name
+ [0]),
+ sizeof
+ (uword));
+ hash_set_mem (lcm->locator_set_index_by_name, ls->name,
+ ls_index);
+
+ /* mark as local locator-set */
+ vec_add1 (lcm->local_locator_set_indexes, ls_index);
+ }
+ ls->local = a->local;
+ if (ls_result)
+ ls_result[0] = ls_index;
+ }
+
+ ret = vnet_lisp_add_del_locator (a, ls, NULL);
+ if (0 != ret)
+ {
+ return ret;
+ }
+ }
+ else
+ {
+ p = get_locator_set_index (a, p);
+ if (!p)
+ {
+ clib_warning ("locator-set %v doesn't exists", a->name);
+ return -1;
+ }
+
+ ls = pool_elt_at_index (lcm->locator_set_pool, p[0]);
+ if (!ls)
+ {
+ clib_warning ("locator-set with index %d doesn't exists", p[0]);
+ return -1;
+ }
+
+ if (lcm->mreq_itr_rlocs == p[0])
+ {
+ clib_warning ("Can't delete the locator-set used to constrain "
+ "the itr-rlocs in map-requests!");
+ return -1;
+ }
+
+ if (vec_len (lcm->locator_set_to_eids) != 0)
+ {
+ eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids, p[0]);
+ if (vec_len (eid_indexes[0]) != 0)
+ {
+ clib_warning
+ ("Can't delete a locator that supports a mapping!");
+ return -1;
+ }
+ }
+
+ /* clean locator to locator-sets data */
+ clean_locator_to_locator_set (lcm, p[0]);
+
+ if (ls->local)
+ {
+ u32 it, lsi;
+
+ vec_foreach_index (it, lcm->local_locator_set_indexes)
+ {
+ lsi = vec_elt (lcm->local_locator_set_indexes, it);
+ if (lsi == p[0])
+ {
+ vec_del1 (lcm->local_locator_set_indexes, it);
+ break;
+ }
+ }
+ hash_unset_mem (lcm->locator_set_index_by_name, ls->name);
+ }
+ vec_free (ls->name);
+ vec_free (ls->locator_indices);
+ pool_put (lcm->locator_set_pool, ls);
+ }
+ return 0;
+}
+
+int
+vnet_lisp_rloc_probe_enable_disable (u8 is_enable)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ lcm->rloc_probing = is_enable;
+ return 0;
+}
+
+int
+vnet_lisp_map_register_enable_disable (u8 is_enable)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ lcm->map_registering = is_enable;
+ return 0;
+}
+
+clib_error_t *
+vnet_lisp_enable_disable (u8 is_enable)
+{
+ u32 vni, dp_table;
+ clib_error_t *error = 0;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a;
+
+ a->is_en = is_enable;
+ error = vnet_lisp_gpe_enable_disable (a);
+ if (error)
+ {
+ return clib_error_return (0, "failed to %s data-plane!",
+ a->is_en ? "enable" : "disable");
+ }
+
+ if (is_enable)
+ {
+ /* enable all l2 and l3 ifaces */
+
+ /* *INDENT-OFF* */
+ hash_foreach(vni, dp_table, lcm->table_id_by_vni, ({
+ dp_add_del_iface(lcm, vni, 0, 1);
+ }));
+ hash_foreach(vni, dp_table, lcm->bd_id_by_vni, ({
+ dp_add_del_iface(lcm, vni, /* is_l2 */ 1, 1);
+ }));
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ /* clear interface table */
+ hash_free (lcm->fwd_entry_by_mapping_index);
+ pool_free (lcm->fwd_entry_pool);
+ }
+
+ /* update global flag */
+ lcm->is_enabled = is_enable;
+
+ return 0;
+}
+
+static clib_error_t *
+lisp_enable_disable_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_enabled = 0;
+ u8 is_set = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "enable"))
+ {
+ is_set = 1;
+ is_enabled = 1;
+ }
+ else if (unformat (line_input, "disable"))
+ is_set = 1;
+ else
+ {
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+ }
+
+ if (!is_set)
+ return clib_error_return (0, "state not set");
+
+ vnet_lisp_enable_disable (is_enabled);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_cp_enable_disable_command) = {
+ .path = "lisp",
+ .short_help = "lisp [enable|disable]",
+ .function = lisp_enable_disable_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_map_register_enable_disable_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_enabled = 0;
+ u8 is_set = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "enable"))
+ {
+ is_set = 1;
+ is_enabled = 1;
+ }
+ else if (unformat (line_input, "disable"))
+ is_set = 1;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'", format_unformat_error,
+ line_input);
+ return 0;
+ }
+ }
+
+ if (!is_set)
+ {
+ vlib_cli_output (vm, "state not set!");
+ return 0;
+ }
+
+ vnet_lisp_map_register_enable_disable (is_enabled);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_map_register_enable_disable_command) = {
+ .path = "lisp map-register",
+ .short_help = "lisp map-register [enable|disable]",
+ .function = lisp_map_register_enable_disable_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_rloc_probe_enable_disable_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_enabled = 0;
+ u8 is_set = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "enable"))
+ {
+ is_set = 1;
+ is_enabled = 1;
+ }
+ else if (unformat (line_input, "disable"))
+ is_set = 1;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'", format_unformat_error,
+ line_input);
+ return 0;
+ }
+ }
+
+ if (!is_set)
+ {
+ vlib_cli_output (vm, "state not set!");
+ return 0;
+ }
+
+ vnet_lisp_rloc_probe_enable_disable (is_enabled);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_rloc_probe_enable_disable_command) = {
+ .path = "lisp rloc-probe",
+ .short_help = "lisp rloc-probe [enable|disable]",
+ .function = lisp_rloc_probe_enable_disable_command_fn,
+};
+/* *INDENT-ON* */
+
+u8
+vnet_lisp_enable_disable_status (void)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return lcm->is_enabled;
+}
+
+static u8 *
+format_lisp_status (u8 * s, va_list * args)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ return format (s, "%s", lcm->is_enabled ? "enabled" : "disabled");
+}
+
+static clib_error_t *
+lisp_show_status_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 *msg = 0;
+ msg = format (msg, "feature: %U\ngpe: %U\n",
+ format_lisp_status, format_vnet_lisp_gpe_status);
+ vlib_cli_output (vm, "%v", msg);
+ vec_free (msg);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_status_command) = {
+ .path = "show lisp status",
+ .short_help = "show lisp status",
+ .function = lisp_show_status_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_show_eid_table_map_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ hash_pair_t *p;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ uword *vni_table = 0;
+ u8 is_l2 = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "l2"))
+ {
+ vni_table = lcm->bd_id_by_vni;
+ is_l2 = 1;
+ }
+ else if (unformat (line_input, "l3"))
+ {
+ vni_table = lcm->table_id_by_vni;
+ is_l2 = 0;
+ }
+ else
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+
+ if (!vni_table)
+ {
+ vlib_cli_output (vm, "Error: expected l2|l3 param!\n");
+ return 0;
+ }
+
+ vlib_cli_output (vm, "%=10s%=10s", "VNI", is_l2 ? "BD" : "VRF");
+
+ /* *INDENT-OFF* */
+ hash_foreach_pair (p, vni_table,
+ ({
+ vlib_cli_output (vm, "%=10d%=10d", p->key, p->value[0]);
+ }));
+ /* *INDENT-ON* */
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_eid_table_map_command) = {
+ .path = "show lisp eid-table map",
+ .short_help = "show lisp eid-table l2|l3",
+ .function = lisp_show_eid_table_map_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_add_del_locator_set_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_gpe_main_t *lgm = &lisp_gpe_main;
+ vnet_main_t *vnm = lgm->vnet_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1;
+ clib_error_t *error = 0;
+ u8 *locator_set_name = 0;
+ locator_t locator, *locators = 0;
+ vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
+ u32 ls_index = 0;
+ int rv = 0;
+
+ memset (&locator, 0, sizeof (locator));
+ memset (a, 0, sizeof (a[0]));
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "add %_%v%_", &locator_set_name))
+ is_add = 1;
+ else if (unformat (line_input, "del %_%v%_", &locator_set_name))
+ is_add = 0;
+ else if (unformat (line_input, "iface %U p %d w %d",
+ unformat_vnet_sw_interface, vnm,
+ &locator.sw_if_index, &locator.priority,
+ &locator.weight))
+ {
+ locator.local = 1;
+ vec_add1 (locators, locator);
+ }
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ a->name = locator_set_name;
+ a->locators = locators;
+ a->is_add = is_add;
+ a->local = 1;
+
+ rv = vnet_lisp_add_del_locator_set (a, &ls_index);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s locator-set!",
+ is_add ? "add" : "delete");
+ }
+
+done:
+ vec_free (locators);
+ if (locator_set_name)
+ vec_free (locator_set_name);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_cp_add_del_locator_set_command) = {
+ .path = "lisp locator-set",
+ .short_help = "lisp locator-set add/del <name> [iface <iface-name> "
+ "p <priority> w <weight>]",
+ .function = lisp_add_del_locator_set_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_add_del_locator_in_set_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_gpe_main_t *lgm = &lisp_gpe_main;
+ vnet_main_t *vnm = lgm->vnet_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1;
+ clib_error_t *error = 0;
+ u8 *locator_set_name = 0;
+ u8 locator_set_name_set = 0;
+ locator_t locator, *locators = 0;
+ vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
+ u32 ls_index = 0;
+
+ memset (&locator, 0, sizeof (locator));
+ memset (a, 0, sizeof (a[0]));
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "add"))
+ is_add = 1;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "locator-set %_%v%_", &locator_set_name))
+ locator_set_name_set = 1;
+ else if (unformat (line_input, "iface %U p %d w %d",
+ unformat_vnet_sw_interface, vnm,
+ &locator.sw_if_index, &locator.priority,
+ &locator.weight))
+ {
+ locator.local = 1;
+ vec_add1 (locators, locator);
+ }
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ if (!locator_set_name_set)
+ {
+ error = clib_error_return (0, "locator_set name not set!");
+ goto done;
+ }
+
+ a->name = locator_set_name;
+ a->locators = locators;
+ a->is_add = is_add;
+ a->local = 1;
+
+ vnet_lisp_add_del_locator (a, 0, &ls_index);
+
+done:
+ vec_free (locators);
+ vec_free (locator_set_name);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_cp_add_del_locator_in_set_command) = {
+ .path = "lisp locator",
+ .short_help = "lisp locator add/del locator-set <name> iface <iface-name> "
+ "p <priority> w <weight>",
+ .function = lisp_add_del_locator_in_set_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_cp_show_locator_sets_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ locator_set_t *lsit;
+ locator_t *loc;
+ u32 *locit;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ vlib_cli_output (vm, "%s%=16s%=16s%=16s", "Locator-set", "Locator",
+ "Priority", "Weight");
+
+ /* *INDENT-OFF* */
+ pool_foreach (lsit, lcm->locator_set_pool,
+ ({
+ u8 * msg = 0;
+ int next_line = 0;
+ if (lsit->local)
+ {
+ msg = format (msg, "%v", lsit->name);
+ }
+ else
+ {
+ msg = format (msg, "<%s-%d>", "remote", lsit - lcm->locator_set_pool);
+ }
+ vec_foreach (locit, lsit->locator_indices)
+ {
+ if (next_line)
+ {
+ msg = format (msg, "%16s", " ");
+ }
+ loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
+ if (loc->local)
+ msg = format (msg, "%16d%16d%16d\n", loc->sw_if_index, loc->priority,
+ loc->weight);
+ else
+ msg = format (msg, "%16U%16d%16d\n", format_ip_address,
+ &gid_address_ip(&loc->address), loc->priority,
+ loc->weight);
+ next_line = 1;
+ }
+ vlib_cli_output (vm, "%v", msg);
+ vec_free (msg);
+ }));
+ /* *INDENT-ON* */
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_cp_show_locator_sets_command) = {
+ .path = "show lisp locator-set",
+ .short_help = "Shows locator-sets",
+ .function = lisp_cp_show_locator_sets_command_fn,
+};
+/* *INDENT-ON* */
+
+int
+vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 i;
+ lisp_msmr_t _mr, *mr = &_mr;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ if (a->is_add)
+ {
+
+ if (get_map_resolver (&a->address))
+ {
+ clib_warning ("map-resolver %U already exists!", format_ip_address,
+ &a->address);
+ return -1;
+ }
+
+ memset (mr, 0, sizeof (*mr));
+ ip_address_copy (&mr->address, &a->address);
+ vec_add1 (lcm->map_resolvers, *mr);
+
+ if (vec_len (lcm->map_resolvers) == 1)
+ lcm->do_map_resolver_election = 1;
+ }
+ else
+ {
+ for (i = 0; i < vec_len (lcm->map_resolvers); i++)
+ {
+ mr = vec_elt_at_index (lcm->map_resolvers, i);
+ if (!ip_address_cmp (&mr->address, &a->address))
+ {
+ if (!ip_address_cmp (&mr->address, &lcm->active_map_resolver))
+ lcm->do_map_resolver_election = 1;
+
+ vec_del1 (lcm->map_resolvers, i);
+ break;
+ }
+ }
+ }
+ return 0;
+}
+
+static clib_error_t *
+lisp_add_del_map_resolver_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1, addr_set = 0;
+ ip_address_t ip_addr;
+ clib_error_t *error = 0;
+ int rv = 0;
+ vnet_lisp_add_del_map_resolver_args_t _a, *a = &_a;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "add"))
+ is_add = 1;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "%U", unformat_ip_address, &ip_addr))
+ addr_set = 1;
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ if (!addr_set)
+ {
+ error = clib_error_return (0, "Map-resolver address must be set!");
+ goto done;
+ }
+
+ a->is_add = is_add;
+ a->address = ip_addr;
+ rv = vnet_lisp_add_del_map_resolver (a);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s map-resolver!",
+ is_add ? "add" : "delete");
+ }
+
+done:
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_add_del_map_resolver_command) = {
+ .path = "lisp map-resolver",
+ .short_help = "lisp map-resolver add/del <ip_address>",
+ .function = lisp_add_del_map_resolver_command_fn,
+};
+/* *INDENT-ON* */
+
+int
+vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ uword *p = 0;
+
+ if (vnet_lisp_enable_disable_status () == 0)
+ {
+ clib_warning ("LISP is disabled!");
+ return VNET_API_ERROR_LISP_DISABLED;
+ }
+
+ if (a->is_add)
+ {
+ p = hash_get_mem (lcm->locator_set_index_by_name, a->locator_set_name);
+ if (!p)
+ {
+ clib_warning ("locator-set %v doesn't exist", a->locator_set_name);
+ return VNET_API_ERROR_INVALID_ARGUMENT;
+ }
+
+ lcm->mreq_itr_rlocs = p[0];
+ }
+ else
+ {
+ lcm->mreq_itr_rlocs = ~0;
+ }
+
+ return 0;
+}
+
+static clib_error_t *
+lisp_add_del_mreq_itr_rlocs_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 is_add = 1;
+ u8 *locator_set_name = 0;
+ clib_error_t *error = 0;
+ int rv = 0;
+ vnet_lisp_add_del_mreq_itr_rloc_args_t _a, *a = &_a;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "add %_%v%_", &locator_set_name))
+ is_add = 1;
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ a->is_add = is_add;
+ a->locator_set_name = locator_set_name;
+ rv = vnet_lisp_add_del_mreq_itr_rlocs (a);
+ if (0 != rv)
+ {
+ error = clib_error_return (0, "failed to %s map-request itr-rlocs!",
+ is_add ? "add" : "delete");
+ }
+
+ vec_free (locator_set_name);
+
+done:
+ return error;
+
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_add_del_map_request_command) = {
+ .path = "lisp map-request itr-rlocs",
+ .short_help = "lisp map-request itr-rlocs add/del <locator_set_name>",
+ .function = lisp_add_del_mreq_itr_rlocs_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+lisp_show_mreq_itr_rlocs_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_set_t *loc_set;
+
+ vlib_cli_output (vm, "%=20s", "itr-rlocs");
+
+ if (~0 == lcm->mreq_itr_rlocs)
+ {
+ return 0;
+ }
+
+ loc_set = pool_elt_at_index (lcm->locator_set_pool, lcm->mreq_itr_rlocs);
+
+ vlib_cli_output (vm, "%=20s", loc_set->name);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_map_request_command) = {
+ .path = "show lisp map-request itr-rlocs",
+ .short_help = "Shows map-request itr-rlocs",
+ .function = lisp_show_mreq_itr_rlocs_command_fn,
+};
+/* *INDENT-ON* */
+
+/* Statistics (not really errors) */
+#define foreach_lisp_cp_lookup_error \
+_(DROP, "drop") \
+_(MAP_REQUESTS_SENT, "map-request sent")
+
+static char *lisp_cp_lookup_error_strings[] = {
+#define _(sym,string) string,
+ foreach_lisp_cp_lookup_error
+#undef _
+};
+
+typedef enum
+{
+#define _(sym,str) LISP_CP_LOOKUP_ERROR_##sym,
+ foreach_lisp_cp_lookup_error
+#undef _
+ LISP_CP_LOOKUP_N_ERROR,
+} lisp_cp_lookup_error_t;
+
+typedef enum
+{
+ LISP_CP_LOOKUP_NEXT_DROP,
+ LISP_CP_LOOKUP_N_NEXT,
+} lisp_cp_lookup_next_t;
+
+typedef struct
+{
+ gid_address_t dst_eid;
+ ip_address_t map_resolver_ip;
+} lisp_cp_lookup_trace_t;
+
+u8 *
+format_lisp_cp_lookup_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ lisp_cp_lookup_trace_t *t = va_arg (*args, lisp_cp_lookup_trace_t *);
+
+ s = format (s, "LISP-CP-LOOKUP: map-resolver: %U destination eid %U",
+ format_ip_address, &t->map_resolver_ip, format_gid_address,
+ &t->dst_eid);
+ return s;
+}
+
+int
+get_mr_and_local_iface_ip (lisp_cp_main_t * lcm, ip_address_t * mr_ip,
+ ip_address_t * sloc)
+{
+ lisp_msmr_t *mrit;
+ ip_address_t *a;
+
+ if (vec_len (lcm->map_resolvers) == 0)
+ {
+ clib_warning ("No map-resolver configured");
+ return 0;
+ }
+
+ /* find the first mr ip we have a route to and the ip of the
+ * iface that has a route to it */
+ vec_foreach (mrit, lcm->map_resolvers)
+ {
+ a = &mrit->address;
+ if (0 != ip_fib_get_first_egress_ip_for_dst (lcm, a, sloc))
+ {
+ ip_address_copy (mr_ip, a);
+
+ /* also update globals */
+ return 1;
+ }
+ }
+
+ clib_warning ("Can't find map-resolver and local interface ip!");
+ return 0;
+}
+
+static gid_address_t *
+build_itr_rloc_list (lisp_cp_main_t * lcm, locator_set_t * loc_set)
+{
+ void *addr;
+ u32 i;
+ locator_t *loc;
+ u32 *loc_indexp;
+ ip_interface_address_t *ia = 0;
+ gid_address_t gid_data, *gid = &gid_data;
+ gid_address_t *rlocs = 0;
+ ip_prefix_t *ippref = &gid_address_ippref (gid);
+ ip_address_t *rloc = &ip_prefix_addr (ippref);
+
+ memset (gid, 0, sizeof (gid[0]));
+ gid_address_type (gid) = GID_ADDR_IP_PREFIX;
+ for (i = 0; i < vec_len (loc_set->locator_indices); i++)
+ {
+ loc_indexp = vec_elt_at_index (loc_set->locator_indices, i);
+ loc = pool_elt_at_index (lcm->locator_pool, loc_indexp[0]);
+
+ /* Add ipv4 locators first TODO sort them */
+
+ /* *INDENT-OFF* */
+ foreach_ip_interface_address (&lcm->im4->lookup_main, ia,
+ loc->sw_if_index, 1 /* unnumbered */,
+ ({
+ addr = ip_interface_address_get_address (&lcm->im4->lookup_main, ia);
+ ip_address_set (rloc, addr, IP4);
+ ip_prefix_len (ippref) = 32;
+ ip_prefix_normalize (ippref);
+ vec_add1 (rlocs, gid[0]);
+ }));
+
+ /* Add ipv6 locators */
+ foreach_ip_interface_address (&lcm->im6->lookup_main, ia,
+ loc->sw_if_index, 1 /* unnumbered */,
+ ({
+ addr = ip_interface_address_get_address (&lcm->im6->lookup_main, ia);
+ ip_address_set (rloc, addr, IP6);
+ ip_prefix_len (ippref) = 128;
+ ip_prefix_normalize (ippref);
+ vec_add1 (rlocs, gid[0]);
+ }));
+ /* *INDENT-ON* */
+
+ }
+ return rlocs;
+}
+
+static vlib_buffer_t *
+build_map_request (lisp_cp_main_t * lcm, gid_address_t * deid,
+ ip_address_t * sloc, ip_address_t * rloc,
+ gid_address_t * itr_rlocs, u64 * nonce_res, u32 * bi_res)
+{
+ vlib_buffer_t *b;
+ u32 bi;
+ vlib_main_t *vm = lcm->vlib_main;
+
+ if (vlib_buffer_alloc (vm, &bi, 1) != 1)
+ {
+ clib_warning ("Can't allocate buffer for Map-Request!");
+ return 0;
+ }
+
+ b = vlib_get_buffer (vm, bi);
+
+ /* leave some space for the encap headers */
+ vlib_buffer_make_headroom (b, MAX_LISP_MSG_ENCAP_LEN);
+
+ /* put lisp msg */
+ lisp_msg_put_mreq (lcm, b, NULL, deid, itr_rlocs, 0 /* smr invoked */ ,
+ 1 /* rloc probe */ , nonce_res);
+
+ /* push outer ip header */
+ pkt_push_udp_and_ip (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, sloc,
+ rloc);
+
+ bi_res[0] = bi;
+
+ return b;
+}
+
+static vlib_buffer_t *
+build_encapsulated_map_request (lisp_cp_main_t * lcm,
+ gid_address_t * seid, gid_address_t * deid,
+ locator_set_t * loc_set, ip_address_t * mr_ip,
+ ip_address_t * sloc, u8 is_smr_invoked,
+ u64 * nonce_res, u32 * bi_res)
+{
+ vlib_buffer_t *b;
+ u32 bi;
+ gid_address_t *rlocs = 0;
+ vlib_main_t *vm = lcm->vlib_main;
+
+ if (vlib_buffer_alloc (vm, &bi, 1) != 1)
+ {
+ clib_warning ("Can't allocate buffer for Map-Request!");
+ return 0;
+ }
+
+ b = vlib_get_buffer (vm, bi);
+
+ /* leave some space for the encap headers */
+ vlib_buffer_make_headroom (b, MAX_LISP_MSG_ENCAP_LEN);
+
+ /* get rlocs */
+ rlocs = build_itr_rloc_list (lcm, loc_set);
+
+ if (MR_MODE_SRC_DST == lcm->map_request_mode
+ && GID_ADDR_SRC_DST != gid_address_type (deid))
+ {
+ gid_address_t sd;
+ memset (&sd, 0, sizeof (sd));
+ build_src_dst (&sd, seid, deid);
+ lisp_msg_put_mreq (lcm, b, seid, &sd, rlocs, is_smr_invoked,
+ 0 /* rloc probe */ , nonce_res);
+ }
+ else
+ {
+ /* put lisp msg */
+ lisp_msg_put_mreq (lcm, b, seid, deid, rlocs, is_smr_invoked,
+ 0 /* rloc probe */ , nonce_res);
+ }
+
+ /* push ecm: udp-ip-lisp */
+ lisp_msg_push_ecm (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, seid, deid);
+
+ /* push outer ip header */
+ pkt_push_udp_and_ip (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, sloc,
+ mr_ip);
+
+ bi_res[0] = bi;
+
+ vec_free (rlocs);
+ return b;
+}
+
+static void
+reset_pending_mr_counters (pending_map_request_t * r)
+{
+ r->time_to_expire = PENDING_MREQ_EXPIRATION_TIME;
+ r->retries_num = 0;
+}
+
+static int
+elect_map_resolver (lisp_cp_main_t * lcm)
+{
+ lisp_msmr_t *mr;
+
+ vec_foreach (mr, lcm->map_resolvers)
+ {
+ if (!mr->is_down)
+ {
+ ip_address_copy (&lcm->active_map_resolver, &mr->address);
+ lcm->do_map_resolver_election = 0;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static void
+free_map_register_records (mapping_t * maps)
+{
+ mapping_t *map;
+ vec_foreach (map, maps) vec_free (map->locators);
+
+ vec_free (maps);
+}
+
+static void
+add_locators (lisp_cp_main_t * lcm, mapping_t * m, u32 locator_set_index,
+ ip_address_t * probed_loc)
+{
+ u32 *li;
+ locator_t *loc, new;
+ ip_interface_address_t *ia = 0;
+ void *addr;
+ ip_address_t *new_ip = &gid_address_ip (&new.address);
+
+ m->locators = 0;
+ locator_set_t *ls = pool_elt_at_index (lcm->locator_set_pool,
+ locator_set_index);
+ vec_foreach (li, ls->locator_indices)
+ {
+ loc = pool_elt_at_index (lcm->locator_pool, li[0]);
+ new = loc[0];
+ if (loc->local)
+ {
+ /* *INDENT-OFF* */
+ foreach_ip_interface_address (&lcm->im4->lookup_main, ia,
+ loc->sw_if_index, 1 /* unnumbered */,
+ ({
+ addr = ip_interface_address_get_address (&lcm->im4->lookup_main,
+ ia);
+ ip_address_set (new_ip, addr, IP4);
+ }));
+
+ /* Add ipv6 locators */
+ foreach_ip_interface_address (&lcm->im6->lookup_main, ia,
+ loc->sw_if_index, 1 /* unnumbered */,
+ ({
+ addr = ip_interface_address_get_address (&lcm->im6->lookup_main,
+ ia);
+ ip_address_set (new_ip, addr, IP6);
+ }));
+ /* *INDENT-ON* */
+
+ if (probed_loc && ip_address_cmp (probed_loc, new_ip) == 0)
+ new.probed = 1;
+ }
+ vec_add1 (m->locators, new);
+ }
+}
+
+static mapping_t *
+build_map_register_record_list (lisp_cp_main_t * lcm)
+{
+ mapping_t *recs = 0, rec, *m;
+
+ /* *INDENT-OFF* */
+ pool_foreach(m, lcm->mapping_pool,
+ {
+ /* for now build only local mappings */
+ if (!m->local)
+ continue;
+
+ rec = m[0];
+ add_locators (lcm, &rec, m->locator_set_index, NULL);
+ vec_add1 (recs, rec);
+ });
+ /* *INDENT-ON* */
+
+ return recs;
+}
+
+static int
+update_map_register_auth_data (map_register_hdr_t * map_reg_hdr,
+ lisp_key_type_t key_id, u8 * key,
+ u16 auth_data_len, u32 msg_len)
+{
+ MREG_KEY_ID (map_reg_hdr) = clib_host_to_net_u16 (key_id);
+ MREG_AUTH_DATA_LEN (map_reg_hdr) = clib_host_to_net_u16 (auth_data_len);
+
+ unsigned char *result = HMAC (get_encrypt_fcn (key_id), key, vec_len (key),
+ (unsigned char *) map_reg_hdr, msg_len, NULL,
+ NULL);
+ clib_memcpy (MREG_DATA (map_reg_hdr), result, auth_data_len);
+
+ return 0;
+}
+
+static vlib_buffer_t *
+build_map_register (lisp_cp_main_t * lcm, ip_address_t * sloc,
+ ip_address_t * ms_ip, u64 * nonce_res, u8 want_map_notif,
+ mapping_t * records, lisp_key_type_t key_id, u8 * key,
+ u32 * bi_res)
+{
+ void *map_reg_hdr;
+ vlib_buffer_t *b;
+ u32 bi, auth_data_len = 0, msg_len = 0;
+ vlib_main_t *vm = lcm->vlib_main;
+
+ if (vlib_buffer_alloc (vm, &bi, 1) != 1)
+ {
+ clib_warning ("Can't allocate buffer for Map-Register!");
+ return 0;
+ }
+
+ b = vlib_get_buffer (vm, bi);
+
+ /* leave some space for the encap headers */
+ vlib_buffer_make_headroom (b, MAX_LISP_MSG_ENCAP_LEN);
+
+ auth_data_len = auth_data_len_by_key_id (key_id);
+ map_reg_hdr = lisp_msg_put_map_register (b, records, want_map_notif,
+ auth_data_len, nonce_res,
+ &msg_len);
+
+ update_map_register_auth_data (map_reg_hdr, key_id, key, auth_data_len,
+ msg_len);
+
+ /* push outer ip header */
+ pkt_push_udp_and_ip (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, sloc,
+ ms_ip);
+
+ bi_res[0] = bi;
+ return b;
+}
+
+static int
+get_egress_map_resolver_ip (lisp_cp_main_t * lcm, ip_address_t * ip)
+{
+ lisp_msmr_t *mr;
+ while (lcm->do_map_resolver_election
+ | (0 == ip_fib_get_first_egress_ip_for_dst (lcm,
+ &lcm->active_map_resolver,
+ ip)))
+ {
+ if (0 == elect_map_resolver (lcm))
+ /* all map resolvers are down */
+ {
+ /* restart MR checking by marking all of them up */
+ vec_foreach (mr, lcm->map_resolvers) mr->is_down = 0;
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int
+send_rloc_probe (lisp_cp_main_t * lcm, gid_address_t * deid,
+ u32 local_locator_set_index, ip_address_t * sloc,
+ ip_address_t * rloc)
+{
+ locator_set_t *ls;
+ u32 bi;
+ vlib_buffer_t *b;
+ vlib_frame_t *f;
+ u64 nonce = 0;
+ u32 next_index, *to_next;
+ gid_address_t *itr_rlocs;
+
+ ls = pool_elt_at_index (lcm->locator_set_pool, local_locator_set_index);
+ itr_rlocs = build_itr_rloc_list (lcm, ls);
+
+ b = build_map_request (lcm, deid, sloc, rloc, itr_rlocs, &nonce, &bi);
+ vec_free (itr_rlocs);
+ if (!b)
+ return -1;
+
+ vnet_buffer (b)->sw_if_index[VLIB_TX] = 0;
+
+ next_index = (ip_addr_version (&lcm->active_map_resolver) == IP4) ?
+ ip4_lookup_node.index : ip6_lookup_node.index;
+
+ f = vlib_get_frame_to_node (lcm->vlib_main, next_index);
+
+ /* Enqueue the packet */
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi;
+ f->n_vectors = 1;
+ vlib_put_frame_to_node (lcm->vlib_main, next_index, f);
+
+ hash_set (lcm->map_register_messages_by_nonce, nonce, 0);
+ return 0;
+}
+
+static int
+send_rloc_probes (lisp_cp_main_t * lcm)
+{
+ u8 lprio = 0;
+ mapping_t *lm;
+ fwd_entry_t *e;
+ locator_pair_t *lp;
+ u32 si;
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, lcm->fwd_entry_pool,
+ {
+ if (vec_len (e->locator_pairs) == 0)
+ continue;
+
+ si = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &e->leid);
+ if (~0 == si)
+ {
+ clib_warning ("internal error: cannot find local eid %U in "
+ "map-cache!", format_gid_address, &e->leid);
+ continue;
+ }
+ lm = pool_elt_at_index (lcm->mapping_pool, si);
+
+ /* get the best (lowest) priority */
+ lprio = e->locator_pairs[0].priority;
+
+ /* send rloc-probe for pair(s) with the best remote locator priority */
+ vec_foreach (lp, e->locator_pairs)
+ {
+ if (lp->priority != lprio)
+ break;
+
+ /* get first remote locator */
+ send_rloc_probe (lcm, &e->reid, lm->locator_set_index, &lp->lcl_loc,
+ &lp->rmt_loc);
+ }
+ });
+ /* *INDENT-ON* */
+
+ return 0;
+}
+
+static int
+send_map_register (lisp_cp_main_t * lcm, u8 want_map_notif)
+{
+ u32 bi;
+ vlib_buffer_t *b;
+ ip_address_t sloc;
+ vlib_frame_t *f;
+ u64 nonce = 0;
+ u32 next_index, *to_next;
+ ip_address_t *ms = 0;
+ mapping_t *records, *r, *g;
+
+ // TODO: support multiple map servers and do election
+ if (0 == vec_len (lcm->map_servers))
+ return -1;
+
+ ms = &lcm->map_servers[0].address;
+
+ if (0 == ip_fib_get_first_egress_ip_for_dst (lcm, ms, &sloc))
+ {
+ clib_warning ("no eligible interface address found for %U!",
+ format_ip_address, &lcm->map_servers[0]);
+ return -1;
+ }
+
+ records = build_map_register_record_list (lcm);
+ if (!records)
+ return -1;
+
+ vec_foreach (r, records)
+ {
+ u8 *key = r->key;
+ u8 key_id = r->key_id;
+
+ if (!key)
+ continue; /* no secret key -> map-register cannot be sent */
+
+ g = 0;
+ // TODO: group mappings that share common key
+ vec_add1 (g, r[0]);
+ b = build_map_register (lcm, &sloc, ms, &nonce, want_map_notif, g,
+ key_id, key, &bi);
+ vec_free (g);
+ if (!b)
+ continue;
+
+ vnet_buffer (b)->sw_if_index[VLIB_TX] = 0;
+
+ next_index = (ip_addr_version (&lcm->active_map_resolver) == IP4) ?
+ ip4_lookup_node.index : ip6_lookup_node.index;
+
+ f = vlib_get_frame_to_node (lcm->vlib_main, next_index);
+
+ /* Enqueue the packet */
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi;
+ f->n_vectors = 1;
+ vlib_put_frame_to_node (lcm->vlib_main, next_index, f);
+
+ hash_set (lcm->map_register_messages_by_nonce, nonce, 0);
+ }
+ free_map_register_records (records);
+
+ return 0;
+}
+
+#define send_encapsulated_map_request(lcm, seid, deid, smr) \
+ _send_encapsulated_map_request(lcm, seid, deid, smr, 0)
+
+#define resend_encapsulated_map_request(lcm, seid, deid, smr) \
+ _send_encapsulated_map_request(lcm, seid, deid, smr, 1)
+
+static int
+_send_encapsulated_map_request (lisp_cp_main_t * lcm,
+ gid_address_t * seid, gid_address_t * deid,
+ u8 is_smr_invoked, u8 is_resend)
+{
+ u32 next_index, bi = 0, *to_next, map_index;
+ vlib_buffer_t *b;
+ vlib_frame_t *f;
+ u64 nonce = 0;
+ locator_set_t *loc_set;
+ mapping_t *map;
+ pending_map_request_t *pmr, *duplicate_pmr = 0;
+ ip_address_t sloc;
+ u32 ls_index;
+
+ /* if there is already a pending request remember it */
+
+ /* *INDENT-OFF* */
+ pool_foreach(pmr, lcm->pending_map_requests_pool,
+ ({
+ if (!gid_address_cmp (&pmr->src, seid)
+ && !gid_address_cmp (&pmr->dst, deid))
+ {
+ duplicate_pmr = pmr;
+ break;
+ }
+ }));
+ /* *INDENT-ON* */
+
+ if (!is_resend && duplicate_pmr)
+ {
+ /* don't send the request if there is a pending map request already */
+ return 0;
+ }
+
+ /* get locator-set for seid */
+ if (!lcm->lisp_pitr)
+ {
+ map_index = gid_dictionary_lookup (&lcm->mapping_index_by_gid, seid);
+ if (map_index == ~0)
+ {
+ clib_warning ("No local mapping found in eid-table for %U!",
+ format_gid_address, seid);
+ return -1;
+ }
+
+ map = pool_elt_at_index (lcm->mapping_pool, map_index);
+
+ if (!map->local)
+ {
+ clib_warning
+ ("Mapping found for src eid %U is not marked as local!",
+ format_gid_address, seid);
+ return -1;
+ }
+ ls_index = map->locator_set_index;
+ }
+ else
+ {
+ map_index = lcm->pitr_map_index;
+ map = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+ ls_index = map->locator_set_index;
+ }
+
+ /* overwrite locator set if map-request itr-rlocs configured */
+ if (~0 != lcm->mreq_itr_rlocs)
+ {
+ ls_index = lcm->mreq_itr_rlocs;
+ }
+
+ loc_set = pool_elt_at_index (lcm->locator_set_pool, ls_index);
+
+ if (get_egress_map_resolver_ip (lcm, &sloc) < 0)
+ {
+ if (duplicate_pmr)
+ duplicate_pmr->to_be_removed = 1;
+ return -1;
+ }
+
+ /* build the encapsulated map request */
+ b = build_encapsulated_map_request (lcm, seid, deid, loc_set,
+ &lcm->active_map_resolver,
+ &sloc, is_smr_invoked, &nonce, &bi);
+
+ if (!b)
+ return -1;
+
+ /* set fib index to default and lookup node */
+ vnet_buffer (b)->sw_if_index[VLIB_TX] = 0;
+ next_index = (ip_addr_version (&lcm->active_map_resolver) == IP4) ?
+ ip4_lookup_node.index : ip6_lookup_node.index;
+
+ f = vlib_get_frame_to_node (lcm->vlib_main, next_index);
+
+ /* Enqueue the packet */
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi;
+ f->n_vectors = 1;
+ vlib_put_frame_to_node (lcm->vlib_main, next_index, f);
+
+ if (duplicate_pmr)
+ /* if there is a pending request already update it */
+ {
+ if (clib_fifo_elts (duplicate_pmr->nonces) >= PENDING_MREQ_QUEUE_LEN)
+ {
+ /* remove the oldest nonce */
+ u64 CLIB_UNUSED (tmp), *nonce_del;
+ nonce_del = clib_fifo_head (duplicate_pmr->nonces);
+ hash_unset (lcm->pending_map_requests_by_nonce, nonce_del[0]);
+ clib_fifo_sub1 (duplicate_pmr->nonces, tmp);
+ }
+
+ clib_fifo_add1 (duplicate_pmr->nonces, nonce);
+ hash_set (lcm->pending_map_requests_by_nonce, nonce,
+ duplicate_pmr - lcm->pending_map_requests_pool);
+ }
+ else
+ {
+ /* add map-request to pending requests table */
+ pool_get (lcm->pending_map_requests_pool, pmr);
+ memset (pmr, 0, sizeof (*pmr));
+ gid_address_copy (&pmr->src, seid);
+ gid_address_copy (&pmr->dst, deid);
+ clib_fifo_add1 (pmr->nonces, nonce);
+ pmr->is_smr_invoked = is_smr_invoked;
+ reset_pending_mr_counters (pmr);
+ hash_set (lcm->pending_map_requests_by_nonce, nonce,
+ pmr - lcm->pending_map_requests_pool);
+ }
+
+ return 0;
+}
+
+static void
+get_src_and_dst_ip (void *hdr, ip_address_t * src, ip_address_t * dst)
+{
+ ip4_header_t *ip4 = hdr;
+ ip6_header_t *ip6;
+
+ if ((ip4->ip_version_and_header_length & 0xF0) == 0x40)
+ {
+ ip_address_set (src, &ip4->src_address, IP4);
+ ip_address_set (dst, &ip4->dst_address, IP4);
+ }
+ else
+ {
+ ip6 = hdr;
+ ip_address_set (src, &ip6->src_address, IP6);
+ ip_address_set (dst, &ip6->dst_address, IP6);
+ }
+}
+
+static u32
+lisp_get_vni_from_buffer_ip (lisp_cp_main_t * lcm, vlib_buffer_t * b,
+ u8 version)
+{
+ uword *vnip;
+ u32 vni = ~0, table_id = ~0;
+
+ table_id = fib_table_get_table_id_for_sw_if_index ((version ==
+ IP4 ? FIB_PROTOCOL_IP4 :
+ FIB_PROTOCOL_IP6),
+ vnet_buffer
+ (b)->sw_if_index
+ [VLIB_RX]);
+
+ vnip = hash_get (lcm->vni_by_table_id, table_id);
+ if (vnip)
+ vni = vnip[0];
+ else
+ clib_warning ("vrf %d is not mapped to any vni!", table_id);
+
+ return vni;
+}
+
+always_inline u32
+lisp_get_vni_from_buffer_eth (lisp_cp_main_t * lcm, vlib_buffer_t * b)
+{
+ uword *vnip;
+ u32 vni = ~0;
+ u32 sw_if_index0;
+
+ l2input_main_t *l2im = &l2input_main;
+ l2_input_config_t *config;
+ l2_bridge_domain_t *bd_config;
+
+ sw_if_index0 = vnet_buffer (b)->sw_if_index[VLIB_RX];
+ config = vec_elt_at_index (l2im->configs, sw_if_index0);
+ bd_config = vec_elt_at_index (l2im->bd_configs, config->bd_index);
+
+ vnip = hash_get (lcm->vni_by_bd_id, bd_config->bd_id);
+ if (vnip)
+ vni = vnip[0];
+ else
+ clib_warning ("bridge domain %d is not mapped to any vni!",
+ config->bd_index);
+
+ return vni;
+}
+
+always_inline void
+get_src_and_dst_eids_from_buffer (lisp_cp_main_t * lcm, vlib_buffer_t * b,
+ gid_address_t * src, gid_address_t * dst)
+{
+ u32 vni = 0;
+ u16 type;
+
+ memset (src, 0, sizeof (*src));
+ memset (dst, 0, sizeof (*dst));
+ type = vnet_buffer (b)->lisp.overlay_afi;
+
+ if (LISP_AFI_IP == type || LISP_AFI_IP6 == type)
+ {
+ ip4_header_t *ip;
+ u8 version, preflen;
+
+ gid_address_type (src) = GID_ADDR_IP_PREFIX;
+ gid_address_type (dst) = GID_ADDR_IP_PREFIX;
+
+ ip = vlib_buffer_get_current (b);
+ get_src_and_dst_ip (ip, &gid_address_ip (src), &gid_address_ip (dst));
+
+ version = gid_address_ip_version (src);
+ preflen = ip_address_max_len (version);
+ gid_address_ippref_len (src) = preflen;
+ gid_address_ippref_len (dst) = preflen;
+
+ vni = lisp_get_vni_from_buffer_ip (lcm, b, version);
+ gid_address_vni (dst) = vni;
+ gid_address_vni (src) = vni;
+ }
+ else if (LISP_AFI_MAC == type)
+ {
+ ethernet_header_t *eh;
+
+ eh = vlib_buffer_get_current (b);
+
+ gid_address_type (src) = GID_ADDR_MAC;
+ gid_address_type (dst) = GID_ADDR_MAC;
+ mac_copy (&gid_address_mac (src), eh->src_address);
+ mac_copy (&gid_address_mac (dst), eh->dst_address);
+
+ /* get vni */
+ vni = lisp_get_vni_from_buffer_eth (lcm, b);
+
+ gid_address_vni (dst) = vni;
+ gid_address_vni (src) = vni;
+ }
+}
+
+static uword
+lisp_cp_lookup_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame, int overlay)
+{
+ u32 *from, *to_next_drop, di, si;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 pkts_mapped = 0;
+ uword n_left_from, n_left_to_next_drop;
+
+ from = vlib_frame_vector_args (from_frame);
+ n_left_from = from_frame->n_vectors;
+
+ while (n_left_from > 0)
+ {
+ vlib_get_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP,
+ to_next_drop, n_left_to_next_drop);
+
+ while (n_left_from > 0 && n_left_to_next_drop > 0)
+ {
+ u32 pi0;
+ vlib_buffer_t *b0;
+ gid_address_t src, dst;
+
+ pi0 = from[0];
+ from += 1;
+ n_left_from -= 1;
+ to_next_drop[0] = pi0;
+ to_next_drop += 1;
+ n_left_to_next_drop -= 1;
+
+ b0 = vlib_get_buffer (vm, pi0);
+ b0->error = node->errors[LISP_CP_LOOKUP_ERROR_DROP];
+ vnet_buffer (b0)->lisp.overlay_afi = overlay;
+
+ /* src/dst eid pair */
+ get_src_and_dst_eids_from_buffer (lcm, b0, &src, &dst);
+
+ /* if we have remote mapping for destination already in map-chache
+ add forwarding tunnel directly. If not send a map-request */
+ di = gid_dictionary_sd_lookup (&lcm->mapping_index_by_gid, &dst,
+ &src);
+ if (~0 != di)
+ {
+ mapping_t *m = vec_elt_at_index (lcm->mapping_pool, di);
+ /* send a map-request also in case of negative mapping entry
+ with corresponding action */
+ if (m->action == LISP_SEND_MAP_REQUEST)
+ {
+ /* send map-request */
+ queue_map_request (&src, &dst, 0 /* smr_invoked */ ,
+ 0 /* is_resend */ );
+ pkts_mapped++;
+ }
+ else
+ {
+ si = gid_dictionary_lookup (&lcm->mapping_index_by_gid,
+ &src);
+ if (~0 != si)
+ {
+ dp_add_fwd_entry (lcm, si, di);
+ }
+ }
+ }
+ else
+ {
+ /* send map-request */
+ queue_map_request (&src, &dst, 0 /* smr_invoked */ ,
+ 0 /* is_resend */ );
+ pkts_mapped++;
+ }
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ lisp_cp_lookup_trace_t *tr = vlib_add_trace (vm, node, b0,
+ sizeof (*tr));
+
+ memset (tr, 0, sizeof (*tr));
+ gid_address_copy (&tr->dst_eid, &dst);
+ ip_address_copy (&tr->map_resolver_ip,
+ &lcm->active_map_resolver);
+ }
+ gid_address_free (&dst);
+ gid_address_free (&src);
+ }
+
+ vlib_put_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP,
+ n_left_to_next_drop);
+ }
+ vlib_node_increment_counter (vm, node->node_index,
+ LISP_CP_LOOKUP_ERROR_MAP_REQUESTS_SENT,
+ pkts_mapped);
+ return from_frame->n_vectors;
+}
+
+static uword
+lisp_cp_lookup_ip4 (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_IP));
+}
+
+static uword
+lisp_cp_lookup_ip6 (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_IP6));
+}
+
+static uword
+lisp_cp_lookup_l2 (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_MAC));
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_cp_lookup_ip4_node) = {
+ .function = lisp_cp_lookup_ip4,
+ .name = "lisp-cp-lookup-ip4",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lisp_cp_lookup_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = LISP_CP_LOOKUP_N_ERROR,
+ .error_strings = lisp_cp_lookup_error_strings,
+
+ .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
+
+ .next_nodes = {
+ [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
+ },
+};
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_cp_lookup_ip6_node) = {
+ .function = lisp_cp_lookup_ip6,
+ .name = "lisp-cp-lookup-ip6",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lisp_cp_lookup_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = LISP_CP_LOOKUP_N_ERROR,
+ .error_strings = lisp_cp_lookup_error_strings,
+
+ .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
+
+ .next_nodes = {
+ [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
+ },
+};
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_cp_lookup_l2_node) = {
+ .function = lisp_cp_lookup_l2,
+ .name = "lisp-cp-lookup-l2",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lisp_cp_lookup_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = LISP_CP_LOOKUP_N_ERROR,
+ .error_strings = lisp_cp_lookup_error_strings,
+
+ .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
+
+ .next_nodes = {
+ [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
+ },
+};
+/* *INDENT-ON* */
+
+/* lisp_cp_input statistics */
+#define foreach_lisp_cp_input_error \
+_(DROP, "drop") \
+_(MAP_REPLIES_RECEIVED, "map-replies received")
+
+static char *lisp_cp_input_error_strings[] = {
+#define _(sym,string) string,
+ foreach_lisp_cp_input_error
+#undef _
+};
+
+typedef enum
+{
+#define _(sym,str) LISP_CP_INPUT_ERROR_##sym,
+ foreach_lisp_cp_input_error
+#undef _
+ LISP_CP_INPUT_N_ERROR,
+} lisp_cp_input_error_t;
+
+typedef enum
+{
+ LISP_CP_INPUT_NEXT_DROP,
+ LISP_CP_INPUT_N_NEXT,
+} lisp_cp_input_next_t;
+
+typedef struct
+{
+ gid_address_t dst_eid;
+ ip4_address_t map_resolver_ip;
+} lisp_cp_input_trace_t;
+
+u8 *
+format_lisp_cp_input_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ CLIB_UNUSED (lisp_cp_input_trace_t * t) =
+ va_arg (*args, lisp_cp_input_trace_t *);
+
+ s = format (s, "LISP-CP-INPUT: TODO");
+ return s;
+}
+
+static void
+remove_expired_mapping (lisp_cp_main_t * lcm, u32 mi)
+{
+ mapping_t *m;
+
+ m = pool_elt_at_index (lcm->mapping_pool, mi);
+ lisp_add_del_adjacency (lcm, 0, &m->eid, 0 /* is_add */ );
+ vnet_lisp_add_del_mapping (&m->eid, 0, 0, 0, ~0, 0 /* is_add */ ,
+ 0 /* is_static */ , 0);
+ mapping_delete_timer (lcm, mi);
+}
+
+static void
+mapping_start_expiration_timer (lisp_cp_main_t * lcm, u32 mi,
+ f64 expiration_time)
+{
+ mapping_t *m;
+ u64 now = clib_cpu_time_now ();
+ u64 cpu_cps = lcm->vlib_main->clib_time.clocks_per_second;
+ u64 exp_clock_time = now + expiration_time * cpu_cps;
+
+ m = pool_elt_at_index (lcm->mapping_pool, mi);
+
+ m->timer_set = 1;
+ timing_wheel_insert (&lcm->wheel, exp_clock_time, mi);
+}
+
+static void
+map_records_arg_free (map_records_arg_t * a)
+{
+ mapping_t *m;
+ vec_foreach (m, a->mappings)
+ {
+ vec_free (m->locators);
+ gid_address_free (&m->eid);
+ }
+
+ clib_mem_free (a);
+}
+
+void *
+process_map_reply (map_records_arg_t * a)
+{
+ mapping_t *m;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u32 dst_map_index = 0;
+ pending_map_request_t *pmr;
+ u64 *noncep;
+ uword *pmr_index;
+
+ if (a->is_rloc_probe)
+ goto done;
+
+ /* Check pending requests table and nonce */
+ pmr_index = hash_get (lcm->pending_map_requests_by_nonce, a->nonce);
+ if (!pmr_index)
+ {
+ clib_warning ("No pending map-request entry with nonce %lu!", a->nonce);
+ goto done;
+ }
+ pmr = pool_elt_at_index (lcm->pending_map_requests_pool, pmr_index[0]);
+
+ vec_foreach (m, a->mappings)
+ {
+ /* insert/update mappings cache */
+ vnet_lisp_add_del_mapping (&m->eid, m->locators, m->action,
+ m->authoritative, m->ttl,
+ 1, 0 /* is_static */ , &dst_map_index);
+
+ /* try to program forwarding only if mapping saved or updated */
+ if ((u32) ~ 0 != dst_map_index)
+ {
+ lisp_add_del_adjacency (lcm, &pmr->src, &m->eid, 1);
+ if ((u32) ~ 0 != m->ttl)
+ mapping_start_expiration_timer (lcm, dst_map_index, m->ttl * 60);
+ }
+ }
+
+ /* remove pending map request entry */
+
+ /* *INDENT-OFF* */
+ clib_fifo_foreach (noncep, pmr->nonces, ({
+ hash_unset(lcm->pending_map_requests_by_nonce, noncep[0]);
+ }));
+ /* *INDENT-ON* */
+
+ clib_fifo_free (pmr->nonces);
+ pool_put (lcm->pending_map_requests_pool, pmr);
+
+done:
+ map_records_arg_free (a);
+ return 0;
+}
+
+static int
+is_auth_data_valid (map_notify_hdr_t * h, u32 msg_len,
+ lisp_key_type_t key_id, u8 * key)
+{
+ u8 *auth_data = 0;
+ u16 auth_data_len;
+ int result;
+
+ auth_data_len = auth_data_len_by_key_id (key_id);
+ if ((u16) ~ 0 == auth_data_len)
+ {
+ clib_warning ("invalid length for key_id %d!", key_id);
+ return 0;
+ }
+
+ /* save auth data */
+ vec_validate (auth_data, auth_data_len - 1);
+ clib_memcpy (auth_data, MNOTIFY_DATA (h), auth_data_len);
+
+ /* clear auth data */
+ memset (MNOTIFY_DATA (h), 0, auth_data_len);
+
+ /* get hash of the message */
+ unsigned char *code = HMAC (get_encrypt_fcn (key_id), key, vec_len (key),
+ (unsigned char *) h, msg_len, NULL, NULL);
+
+ result = memcmp (code, auth_data, auth_data_len);
+
+ vec_free (auth_data);
+
+ return !result;
+}
+
+static void
+process_map_notify (map_records_arg_t * a)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ uword *pmr_index;
+
+ pmr_index = hash_get (lcm->map_register_messages_by_nonce, a->nonce);
+ if (!pmr_index)
+ {
+ clib_warning ("No pending map-register entry with nonce %lu!",
+ a->nonce);
+ return;
+ }
+
+ map_records_arg_free (a);
+ hash_unset (lcm->map_register_messages_by_nonce, a->nonce);
+}
+
+static mapping_t *
+get_mapping (lisp_cp_main_t * lcm, gid_address_t * e)
+{
+ u32 mi;
+
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, e);
+ if (~0 == mi)
+ {
+ clib_warning ("eid %U not found in map-cache!", unformat_gid_address,
+ e);
+ return 0;
+ }
+ return pool_elt_at_index (lcm->mapping_pool, mi);
+}
+
+/**
+ * When map-notify is received it is necessary that all EIDs in the record
+ * list share common key. The key is then used to verify authentication
+ * data in map-notify message.
+ */
+static int
+map_record_integrity_check (lisp_cp_main_t * lcm, mapping_t * maps,
+ u32 key_id, u8 ** key_out)
+{
+ u32 i, len = vec_len (maps);
+ mapping_t *m;
+
+ /* get key of the first mapping */
+ m = get_mapping (lcm, &maps[0].eid);
+ if (!m || !m->key)
+ return -1;
+
+ key_out[0] = m->key;
+
+ for (i = 1; i < len; i++)
+ {
+ m = get_mapping (lcm, &maps[i].eid);
+ if (!m || !m->key)
+ return -1;
+
+ if (key_id != m->key_id || vec_cmp (m->key, key_out[0]))
+ {
+ clib_warning ("keys does not match! %v, %v", key_out[0], m->key);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int
+parse_map_records (vlib_buffer_t * b, map_records_arg_t * a, u8 count)
+{
+ locator_t *locators = 0;
+ u32 i, len;
+ gid_address_t deid;
+ mapping_t m;
+ locator_t *loc;
+
+ /* parse record eid */
+ for (i = 0; i < count; i++)
+ {
+ len = lisp_msg_parse_mapping_record (b, &deid, &locators, NULL);
+ if (len == ~0)
+ {
+ clib_warning ("Failed to parse mapping record!");
+ vec_foreach (loc, locators) locator_free (loc);
+ vec_free (locators);
+ return -1;
+ }
+
+ m.locators = locators;
+ gid_address_copy (&m.eid, &deid);
+ vec_add1 (a->mappings, m);
+ }
+
+ return 0;
+}
+
+static map_records_arg_t *
+parse_map_notify (vlib_buffer_t * b)
+{
+ int rc = 0;
+ map_notify_hdr_t *mnotif_hdr;
+ lisp_key_type_t key_id;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ u8 *key = 0;
+ gid_address_t deid;
+ u16 auth_data_len = 0;
+ u8 record_count;
+ map_records_arg_t *a = clib_mem_alloc (sizeof (*a));
+
+ memset (a, 0, sizeof (*a));
+ mnotif_hdr = vlib_buffer_get_current (b);
+ vlib_buffer_pull (b, sizeof (*mnotif_hdr));
+ memset (&deid, 0, sizeof (deid));
+
+ a->nonce = MNOTIFY_NONCE (mnotif_hdr);
+ key_id = clib_net_to_host_u16 (MNOTIFY_KEY_ID (mnotif_hdr));
+ auth_data_len = auth_data_len_by_key_id (key_id);
+
+ /* advance buffer by authentication data */
+ vlib_buffer_pull (b, auth_data_len);
+
+ record_count = MNOTIFY_REC_COUNT (mnotif_hdr);
+ rc = parse_map_records (b, a, record_count);
+ if (rc != 0)
+ {
+ map_records_arg_free (a);
+ return 0;
+ }
+
+ rc = map_record_integrity_check (lcm, a->mappings, key_id, &key);
+ if (rc != 0)
+ {
+ map_records_arg_free (a);
+ return 0;
+ }
+
+ /* verify authentication data */
+ if (!is_auth_data_valid (mnotif_hdr, vlib_buffer_get_tail (b)
+ - (u8 *) mnotif_hdr, key_id, key))
+ {
+ clib_warning ("Map-notify auth data verification failed for nonce %lu!",
+ a->nonce);
+ map_records_arg_free (a);
+ return 0;
+ }
+ return a;
+}
+
+static vlib_buffer_t *
+build_map_reply (lisp_cp_main_t * lcm, ip_address_t * sloc,
+ ip_address_t * dst, u64 nonce, u8 probe_bit,
+ mapping_t * records, u16 dst_port, u32 * bi_res)
+{
+ vlib_buffer_t *b;
+ u32 bi;
+ vlib_main_t *vm = lcm->vlib_main;
+
+ if (vlib_buffer_alloc (vm, &bi, 1) != 1)
+ {
+ clib_warning ("Can't allocate buffer for Map-Register!");
+ return 0;
+ }
+
+ b = vlib_get_buffer (vm, bi);
+
+ /* leave some space for the encap headers */
+ vlib_buffer_make_headroom (b, MAX_LISP_MSG_ENCAP_LEN);
+
+ lisp_msg_put_map_reply (b, records, nonce, probe_bit);
+
+ /* push outer ip header */
+ pkt_push_udp_and_ip (vm, b, LISP_CONTROL_PORT, dst_port, sloc, dst);
+
+ bi_res[0] = bi;
+ return b;
+}
+
+static int
+send_map_reply (lisp_cp_main_t * lcm, u32 mi, ip_address_t * dst,
+ u8 probe_bit, u64 nonce, u16 dst_port,
+ ip_address_t * probed_loc)
+{
+ ip_address_t src;
+ u32 bi;
+ vlib_buffer_t *b;
+ vlib_frame_t *f;
+ u32 next_index, *to_next;
+ mapping_t *records = 0, *m;
+
+ m = pool_elt_at_index (lcm->mapping_pool, mi);
+ if (!m)
+ return -1;
+
+ vec_add1 (records, m[0]);
+ add_locators (lcm, &records[0], m->locator_set_index, probed_loc);
+ memset (&src, 0, sizeof (src));
+
+ if (!ip_fib_get_first_egress_ip_for_dst (lcm, dst, &src))
+ {
+ clib_warning ("can't find inteface address for %U", format_ip_address,
+ dst);
+ return -1;
+ }
+
+ b = build_map_reply (lcm, &src, dst, nonce, probe_bit, records, dst_port,
+ &bi);
+ if (!b)
+ return -1;
+ free_map_register_records (records);
+
+ vnet_buffer (b)->sw_if_index[VLIB_TX] = 0;
+ next_index = (ip_addr_version (&lcm->active_map_resolver) == IP4) ?
+ ip4_lookup_node.index : ip6_lookup_node.index;
+
+ f = vlib_get_frame_to_node (lcm->vlib_main, next_index);
+
+ /* Enqueue the packet */
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi;
+ f->n_vectors = 1;
+ vlib_put_frame_to_node (lcm->vlib_main, next_index, f);
+ return 0;
+}
+
+void
+process_map_request (vlib_main_t * vm, lisp_cp_main_t * lcm,
+ vlib_buffer_t * b)
+{
+ u8 *ip_hdr = 0, *udp_hdr;
+ ip4_header_t *ip4;
+ ip6_header_t *ip6;
+ ip_address_t *dst_loc = 0, probed_loc, src_loc;
+ mapping_t m;
+ map_request_hdr_t *mreq_hdr;
+ gid_address_t src, dst;
+ u64 nonce;
+ u32 i, len = 0;
+ gid_address_t *itr_rlocs = 0;
+
+ mreq_hdr = vlib_buffer_get_current (b);
+
+ // TODO ugly workaround to find out whether LISP is carried by ip4 or 6
+ // and needs to be fixed
+ udp_hdr = (u8 *) vlib_buffer_get_current (b) - sizeof (udp_header_t);
+ ip4 = (ip4_header_t *) (udp_hdr - sizeof (ip4_header_t));
+ ip6 = (ip6_header_t *) (udp_hdr - sizeof (ip6_header_t));
+
+ if ((ip4->ip_version_and_header_length & 0xF0) == 0x40)
+ ip_hdr = (u8 *) ip4;
+ else
+ {
+ u32 flags = clib_net_to_host_u32
+ (ip6->ip_version_traffic_class_and_flow_label);
+ if ((flags & 0xF0000000) == 0x60000000)
+ ip_hdr = (u8 *) ip6;
+ else
+ {
+ clib_warning ("internal error: cannot determine whether packet "
+ "is ip4 or 6!");
+ return;
+ }
+ }
+
+ vlib_buffer_pull (b, sizeof (*mreq_hdr));
+
+ nonce = MREQ_NONCE (mreq_hdr);
+
+ if (!MREQ_SMR (mreq_hdr) && !MREQ_RLOC_PROBE (mreq_hdr))
+ {
+ clib_warning
+ ("Only SMR Map-Requests and RLOC probe supported for now!");
+ return;
+ }
+
+ /* parse src eid */
+ len = lisp_msg_parse_addr (b, &src);
+ if (len == ~0)
+ return;
+
+ len = lisp_msg_parse_itr_rlocs (b, &itr_rlocs,
+ MREQ_ITR_RLOC_COUNT (mreq_hdr) + 1);
+ if (len == ~0)
+ return;
+
+ /* parse eid records and send SMR-invoked map-requests */
+ for (i = 0; i < MREQ_REC_COUNT (mreq_hdr); i++)
+ {
+ memset (&dst, 0, sizeof (dst));
+ len = lisp_msg_parse_eid_rec (b, &dst);
+ if (len == ~0)
+ {
+ clib_warning ("Can't parse map-request EID-record");
+ goto done;
+ }
+
+ if (MREQ_SMR (mreq_hdr))
+ {
+ /* send SMR-invoked map-requests */
+ queue_map_request (&dst, &src, 1 /* invoked */ , 0 /* resend */ );
+ }
+ else if (MREQ_RLOC_PROBE (mreq_hdr))
+ {
+ memset (&m, 0, sizeof (m));
+ u32 mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &dst);
+
+ // TODO: select best locator; for now use the first one
+ dst_loc = &gid_address_ip (&itr_rlocs[0]);
+
+ /* get src/dst IP addresses */
+ get_src_and_dst_ip (ip_hdr, &src_loc, &probed_loc);
+
+ // TODO get source port from buffer
+ u16 src_port = LISP_CONTROL_PORT;
+
+ send_map_reply (lcm, mi, dst_loc, 1 /* probe-bit */ , nonce,
+ src_port, &probed_loc);
+ }
+ }
+
+done:
+ vec_free (itr_rlocs);
+}
+
+static map_records_arg_t *
+parse_map_reply (vlib_buffer_t * b)
+{
+ locator_t probed;
+ gid_address_t deid;
+ void *h;
+ u32 i, len = 0;
+ mapping_t m;
+ map_reply_hdr_t *mrep_hdr;
+ map_records_arg_t *a = clib_mem_alloc (sizeof (*a));
+ memset (a, 0, sizeof (*a));
+ locator_t *locators;
+
+ mrep_hdr = vlib_buffer_get_current (b);
+ a->nonce = MREP_NONCE (mrep_hdr);
+ a->is_rloc_probe = MREP_RLOC_PROBE (mrep_hdr);
+ vlib_buffer_pull (b, sizeof (*mrep_hdr));
+
+ for (i = 0; i < MREP_REC_COUNT (mrep_hdr); i++)
+ {
+ memset (&m, 0, sizeof (m));
+ locators = 0;
+ h = vlib_buffer_get_current (b);
+
+ m.ttl = clib_net_to_host_u32 (MAP_REC_TTL (h));
+ m.action = MAP_REC_ACTION (h);
+ m.authoritative = MAP_REC_AUTH (h);
+
+ len = lisp_msg_parse_mapping_record (b, &deid, &locators, &probed);
+ if (len == ~0)
+ {
+ clib_warning ("Failed to parse mapping record!");
+ map_records_arg_free (a);
+ return 0;
+ }
+
+ m.locators = locators;
+ gid_address_copy (&m.eid, &deid);
+ vec_add1 (a->mappings, m);
+ }
+ return a;
+}
+
+static void
+queue_map_reply_for_processing (map_records_arg_t * a)
+{
+ vl_api_rpc_call_main_thread (process_map_reply, (u8 *) a, sizeof (a));
+}
+
+static void
+queue_map_notify_for_processing (map_records_arg_t * a)
+{
+ vl_api_rpc_call_main_thread (process_map_notify, (u8 *) a, sizeof (a[0]));
+}
+
+static uword
+lisp_cp_input (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ u32 n_left_from, *from, *to_next_drop;
+ lisp_msg_type_e type;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ map_records_arg_t *a;
+
+ from = vlib_frame_vector_args (from_frame);
+ n_left_from = from_frame->n_vectors;
+
+
+ while (n_left_from > 0)
+ {
+ u32 n_left_to_next_drop;
+
+ vlib_get_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP,
+ to_next_drop, n_left_to_next_drop);
+ while (n_left_from > 0 && n_left_to_next_drop > 0)
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+
+ bi0 = from[0];
+ from += 1;
+ n_left_from -= 1;
+ to_next_drop[0] = bi0;
+ to_next_drop += 1;
+ n_left_to_next_drop -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+
+ type = lisp_msg_type (vlib_buffer_get_current (b0));
+ switch (type)
+ {
+ case LISP_MAP_REPLY:
+ a = parse_map_reply (b0);
+ if (a)
+ queue_map_reply_for_processing (a);
+ break;
+ case LISP_MAP_REQUEST:
+ process_map_request (vm, lcm, b0);
+ break;
+ case LISP_MAP_NOTIFY:
+ a = parse_map_notify (b0);
+ if (a)
+ queue_map_notify_for_processing (a);
+ break;
+ default:
+ clib_warning ("Unsupported LISP message type %d", type);
+ break;
+ }
+
+ b0->error = node->errors[LISP_CP_INPUT_ERROR_DROP];
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+
+ }
+ }
+
+ vlib_put_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP,
+ n_left_to_next_drop);
+ }
+ return from_frame->n_vectors;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_cp_input_node) = {
+ .function = lisp_cp_input,
+ .name = "lisp-cp-input",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lisp_cp_input_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = LISP_CP_INPUT_N_ERROR,
+ .error_strings = lisp_cp_input_error_strings,
+
+ .n_next_nodes = LISP_CP_INPUT_N_NEXT,
+
+ .next_nodes = {
+ [LISP_CP_INPUT_NEXT_DROP] = "error-drop",
+ },
+};
+/* *INDENT-ON* */
+
+clib_error_t *
+lisp_cp_init (vlib_main_t * vm)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ clib_error_t *error = 0;
+
+ if ((error = vlib_call_init_function (vm, lisp_gpe_init)))
+ return error;
+
+ lcm->im4 = &ip4_main;
+ lcm->im6 = &ip6_main;
+ lcm->vlib_main = vm;
+ lcm->vnet_main = vnet_get_main ();
+ lcm->mreq_itr_rlocs = ~0;
+ lcm->lisp_pitr = 0;
+ memset (&lcm->active_map_resolver, 0, sizeof (lcm->active_map_resolver));
+
+ gid_dictionary_init (&lcm->mapping_index_by_gid);
+ lcm->do_map_resolver_election = 1;
+ lcm->map_request_mode = MR_MODE_DST_ONLY;
+
+ /* default vrf mapped to vni 0 */
+ hash_set (lcm->table_id_by_vni, 0, 0);
+ hash_set (lcm->vni_by_table_id, 0, 0);
+
+ udp_register_dst_port (vm, UDP_DST_PORT_lisp_cp,
+ lisp_cp_input_node.index, 1 /* is_ip4 */ );
+ udp_register_dst_port (vm, UDP_DST_PORT_lisp_cp6,
+ lisp_cp_input_node.index, 0 /* is_ip4 */ );
+
+ u64 now = clib_cpu_time_now ();
+ timing_wheel_init (&lcm->wheel, now, vm->clib_time.clocks_per_second);
+ return 0;
+}
+
+static void *
+send_map_request_thread_fn (void *arg)
+{
+ map_request_args_t *a = arg;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ if (a->is_resend)
+ resend_encapsulated_map_request (lcm, &a->seid, &a->deid, a->smr_invoked);
+ else
+ send_encapsulated_map_request (lcm, &a->seid, &a->deid, a->smr_invoked);
+
+ return 0;
+}
+
+static int
+queue_map_request (gid_address_t * seid, gid_address_t * deid,
+ u8 smr_invoked, u8 is_resend)
+{
+ map_request_args_t a;
+
+ a.is_resend = is_resend;
+ gid_address_copy (&a.seid, seid);
+ gid_address_copy (&a.deid, deid);
+ a.smr_invoked = smr_invoked;
+
+ vl_api_rpc_call_main_thread (send_map_request_thread_fn,
+ (u8 *) & a, sizeof (a));
+ return 0;
+}
+
+/**
+ * Take an action with a pending map request depending on expiration time
+ * and re-try counters.
+ */
+static void
+update_pending_request (pending_map_request_t * r, f64 dt)
+{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ lisp_msmr_t *mr;
+
+ if (r->time_to_expire - dt < 0)
+ /* it's time to decide what to do with this pending request */
+ {
+ if (r->retries_num >= NUMBER_OF_RETRIES)
+ /* too many retries -> assume current map resolver is not available */
+ {
+ mr = get_map_resolver (&lcm->active_map_resolver);
+ if (!mr)
+ {
+ clib_warning ("Map resolver %U not found - probably deleted "
+ "by the user recently.", format_ip_address,
+ &lcm->active_map_resolver);
+ }
+ else
+ {
+ clib_warning ("map resolver %U is unreachable, ignoring",
+ format_ip_address, &lcm->active_map_resolver);
+
+ /* mark current map resolver unavailable so it won't be
+ * selected next time */
+ mr->is_down = 1;
+ mr->last_update = vlib_time_now (lcm->vlib_main);
+ }
+
+ reset_pending_mr_counters (r);
+ elect_map_resolver (lcm);
+
+ /* try to find a next eligible map resolver and re-send */
+ queue_map_request (&r->src, &r->dst, r->is_smr_invoked,
+ 1 /* resend */ );
+ }
+ else
+ {
+ /* try again */
+ queue_map_request (&r->src, &r->dst, r->is_smr_invoked,
+ 1 /* resend */ );
+ r->retries_num++;
+ r->time_to_expire = PENDING_MREQ_EXPIRATION_TIME;
+ }
+ }
+ else
+ r->time_to_expire -= dt;
+}
+
+static void
+remove_dead_pending_map_requests (lisp_cp_main_t * lcm)
+{
+ u64 *nonce;
+ pending_map_request_t *pmr;
+ u32 *to_be_removed = 0, *pmr_index;
+
+ /* *INDENT-OFF* */
+ pool_foreach (pmr, lcm->pending_map_requests_pool,
+ ({
+ if (pmr->to_be_removed)
+ {
+ clib_fifo_foreach (nonce, pmr->nonces, ({
+ hash_unset (lcm->pending_map_requests_by_nonce, nonce[0]);
+ }));
+
+ vec_add1 (to_be_removed, pmr - lcm->pending_map_requests_pool);
+ }
+ }));
+ /* *INDENT-ON* */
+
+ vec_foreach (pmr_index, to_be_removed)
+ pool_put_index (lcm->pending_map_requests_by_nonce, pmr_index[0]);
+
+ vec_free (to_be_removed);
+}
+
+static void
+update_rloc_probing (lisp_cp_main_t * lcm, f64 dt)
+{
+ static f64 time_left = RLOC_PROBING_INTERVAL;
+
+ if (!lcm->is_enabled || !lcm->rloc_probing)
+ return;
+
+ time_left -= dt;
+ if (time_left <= 0)
+ {
+ time_left = RLOC_PROBING_INTERVAL;
+ send_rloc_probes (lcm);
+ }
+}
+
+static void
+update_map_register (lisp_cp_main_t * lcm, f64 dt)
+{
+ static f64 time_left = QUICK_MAP_REGISTER_INTERVAL;
+ static u64 mreg_sent_counter = 0;
+
+ if (!lcm->is_enabled || !lcm->map_registering)
+ return;
+
+ time_left -= dt;
+ if (time_left <= 0)
+ {
+ if (mreg_sent_counter >= QUICK_MAP_REGISTER_MSG_COUNT)
+ time_left = MAP_REGISTER_INTERVAL;
+ else
+ {
+ mreg_sent_counter++;
+ time_left = QUICK_MAP_REGISTER_INTERVAL;
+ }
+ send_map_register (lcm, 1 /* want map notify */ );
+ }
+}
+
+static uword
+send_map_resolver_service (vlib_main_t * vm,
+ vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ u32 *expired = 0;
+ f64 period = 2.0;
+ pending_map_request_t *pmr;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ while (1)
+ {
+ vlib_process_wait_for_event_or_clock (vm, period);
+
+ /* currently no signals are expected - just wait for clock */
+ (void) vlib_process_get_events (vm, 0);
+
+ /* *INDENT-OFF* */
+ pool_foreach (pmr, lcm->pending_map_requests_pool,
+ ({
+ if (!pmr->to_be_removed)
+ update_pending_request (pmr, period);
+ }));
+ /* *INDENT-ON* */
+
+ remove_dead_pending_map_requests (lcm);
+
+ update_map_register (lcm, period);
+ update_rloc_probing (lcm, period);
+
+ u64 now = clib_cpu_time_now ();
+
+ expired = timing_wheel_advance (&lcm->wheel, now, expired, 0);
+ if (vec_len (expired) > 0)
+ {
+ u32 *mi = 0;
+ vec_foreach (mi, expired)
+ {
+ remove_expired_mapping (lcm, mi[0]);
+ }
+ _vec_len (expired) = 0;
+ }
+ }
+
+ /* unreachable */
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_retry_service_node,static) = {
+ .function = send_map_resolver_service,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "lisp-retry-service",
+ .process_log2_n_stack_bytes = 16,
+};
+/* *INDENT-ON* */
+
+VLIB_INIT_FUNCTION (lisp_cp_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/control.h b/src/vnet/lisp-cp/control.h
new file mode 100644
index 00000000000..e89c6fd6e8d
--- /dev/null
+++ b/src/vnet/lisp-cp/control.h
@@ -0,0 +1,314 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VNET_CONTROL_H_
+#define VNET_CONTROL_H_
+
+#include <vnet/vnet.h>
+#include <vnet/lisp-cp/gid_dictionary.h>
+#include <vnet/lisp-cp/lisp_types.h>
+
+#define NUMBER_OF_RETRIES 1
+#define PENDING_MREQ_EXPIRATION_TIME 3.0 /* seconds */
+#define PENDING_MREQ_QUEUE_LEN 5
+
+#define PENDING_MREG_EXPIRATION_TIME 3.0 /* seconds */
+#define RLOC_PROBING_INTERVAL 60.0
+
+/* when map-registration is enabled "quick registration" takes place first.
+ In this mode ETR sends map-register messages at an increased frequency
+ until specified message count is reached */
+#define QUICK_MAP_REGISTER_MSG_COUNT 3
+#define QUICK_MAP_REGISTER_INTERVAL 3.0
+
+/* normal map-register period */
+#define MAP_REGISTER_INTERVAL 60.0
+
+/* 15 minutes */
+#define MAP_REGISTER_DEFAULT_TTL 900
+
+typedef struct
+{
+ gid_address_t src;
+ gid_address_t dst;
+ u32 retries_num;
+ f64 time_to_expire;
+ u8 is_smr_invoked;
+ u64 *nonces;
+ u8 to_be_removed;
+} pending_map_request_t;
+
+typedef struct
+{
+ gid_address_t leid;
+ gid_address_t reid;
+ u8 is_src_dst;
+ locator_pair_t *locator_pairs;
+} fwd_entry_t;
+
+typedef struct
+{
+ gid_address_t leid;
+ gid_address_t reid;
+} lisp_adjacency_t;
+
+typedef enum
+{
+ IP4_MISS_PACKET,
+ IP6_MISS_PACKET
+} miss_packet_type_t;
+
+/* map-server/map-resolver structure */
+typedef struct
+{
+ u8 is_down;
+ f64 last_update;
+ ip_address_t address;
+ char *key;
+} lisp_msmr_t;
+
+typedef struct
+{
+ /* headers */
+ u8 data[100];
+ u32 length;
+ miss_packet_type_t type;
+} miss_packet_t;
+
+typedef enum
+{
+ MR_MODE_DST_ONLY = 0,
+ MR_MODE_SRC_DST,
+ _MR_MODE_MAX
+} map_request_mode_t;
+
+typedef struct
+{
+ /* LISP feature status */
+ u8 is_enabled;
+
+ /* eid table */
+ gid_dictionary_t mapping_index_by_gid;
+
+ /* pool of mappings */
+ mapping_t *mapping_pool;
+
+ /* hash map of secret keys by mapping index */
+ u8 *key_by_mapping_index;
+
+ /* pool of locators */
+ locator_t *locator_pool;
+
+ /* pool of locator-sets */
+ locator_set_t *locator_set_pool;
+
+ /* vector of locator-set vectors composed of and indexed by locator index */
+ u32 **locator_to_locator_sets;
+
+ /* hash map of locators by name */
+ uword *locator_set_index_by_name;
+
+ /* vector of eid index vectors supported and indexed by locator-set index */
+ u32 **locator_set_to_eids;
+
+ /* vectors of indexes for local locator-sets and mappings */
+ u32 *local_mappings_indexes;
+ u32 *local_locator_set_indexes;
+
+ /* hash map of forwarding entries by mapping index */
+ u32 *fwd_entry_by_mapping_index;
+
+ /* forwarding entries pool */
+ fwd_entry_t *fwd_entry_pool;
+
+ /* hash map keyed by nonce of pending map-requests */
+ uword *pending_map_requests_by_nonce;
+
+ /* pool of pending map requests */
+ pending_map_request_t *pending_map_requests_pool;
+
+ /* hash map of sent map register messages */
+ uword *map_register_messages_by_nonce;
+
+ /* vector of map-resolvers */
+ lisp_msmr_t *map_resolvers;
+
+ /* vector of map-servers */
+ lisp_msmr_t *map_servers;
+
+ /* map resolver address currently being used for sending requests.
+ * This has to be an actual address and not an index to map_resolvers vector
+ * since the vector may be modified during request resend/retry procedure
+ * and break things :-) */
+ ip_address_t active_map_resolver;
+
+ u8 do_map_resolver_election;
+
+ /* map-request locator set index */
+ u32 mreq_itr_rlocs;
+
+ /* vni to vrf hash tables */
+ uword *table_id_by_vni;
+ uword *vni_by_table_id;
+
+ /* vni to bd-index hash tables */
+ uword *bd_id_by_vni;
+ uword *vni_by_bd_id;
+
+ /* track l2 and l3 interfaces that have been created for vni */
+ uword *l2_dp_intf_by_vni;
+
+ /* Proxy ETR map index */
+ u32 pitr_map_index;
+
+ /* LISP PITR mode */
+ u8 lisp_pitr;
+
+ /* map request mode */
+ u8 map_request_mode;
+
+ /* enable/disable map registering */
+ u8 map_registering;
+
+ /* enable/disable rloc-probing */
+ u8 rloc_probing;
+
+ /* timing wheel for mappping timeouts */
+ timing_wheel_t wheel;
+
+ /* commodity */
+ ip4_main_t *im4;
+ ip6_main_t *im6;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+} lisp_cp_main_t;
+
+/* lisp-gpe control plane */
+lisp_cp_main_t lisp_control_main;
+
+extern vlib_node_registration_t lisp_cp_input_node;
+extern vlib_node_registration_t lisp_cp_lookup_ip4_node;
+extern vlib_node_registration_t lisp_cp_lookup_ip6_node;
+
+clib_error_t *lisp_cp_init ();
+
+always_inline lisp_cp_main_t *
+vnet_lisp_cp_get_main ()
+{
+ return &lisp_control_main;
+}
+
+typedef struct
+{
+ u8 is_add;
+ union
+ {
+ u8 *name;
+ u32 index;
+ };
+ locator_t *locators;
+ u8 local;
+} vnet_lisp_add_del_locator_set_args_t;
+
+int
+vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a,
+ u32 * ls_index);
+int
+vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a,
+ locator_set_t * ls, u32 * ls_index);
+
+typedef struct
+{
+ u8 is_add;
+ gid_address_t eid;
+ u32 locator_set_index;
+
+ u32 ttl;
+ u8 action;
+ u8 authoritative;
+
+ u8 local;
+ u8 is_static;
+ u8 *key;
+ u8 key_id;
+} vnet_lisp_add_del_mapping_args_t;
+
+int
+vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a,
+ u32 * map_index);
+int
+vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a,
+ u32 * map_index_result);
+
+int
+vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * dlocs, u8 action,
+ u8 authoritative, u32 ttl, u8 is_add, u8 is_static,
+ u32 * res_map_index);
+
+typedef struct
+{
+ gid_address_t reid;
+ gid_address_t leid;
+ u8 is_add;
+} vnet_lisp_add_del_adjacency_args_t;
+
+int vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a);
+
+typedef struct
+{
+ u8 is_add;
+ ip_address_t address;
+} vnet_lisp_add_del_map_resolver_args_t;
+
+int
+vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a);
+int vnet_lisp_add_del_map_server (ip_address_t * addr, u8 is_add);
+
+clib_error_t *vnet_lisp_enable_disable (u8 is_enabled);
+u8 vnet_lisp_enable_disable_status (void);
+
+int vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add);
+
+typedef struct
+{
+ u8 is_add;
+ u8 *locator_set_name;
+} vnet_lisp_add_del_mreq_itr_rloc_args_t;
+
+int
+vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a);
+
+int vnet_lisp_clear_all_remote_adjacencies (void);
+
+int vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_l2, u8 is_add);
+int vnet_lisp_add_del_map_table_key (gid_address_t * eid, char *key,
+ u8 is_add);
+int vnet_lisp_set_map_request_mode (u8 mode);
+u8 vnet_lisp_get_map_request_mode (void);
+lisp_adjacency_t *vnet_lisp_adjacencies_get_by_vni (u32 vni);
+int vnet_lisp_rloc_probe_enable_disable (u8 is_enable);
+int vnet_lisp_map_register_enable_disable (u8 is_enable);
+u8 vnet_lisp_map_register_state_get (void);
+u8 vnet_lisp_rloc_probe_state_get (void);
+
+#endif /* VNET_CONTROL_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/gid_dictionary.c b/src/vnet/lisp-cp/gid_dictionary.c
new file mode 100644
index 00000000000..d238124ecd8
--- /dev/null
+++ b/src/vnet/lisp-cp/gid_dictionary.c
@@ -0,0 +1,865 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/lisp-cp/gid_dictionary.h>
+
+typedef struct
+{
+ void *arg;
+ ip_prefix_t src;
+ foreach_subprefix_match_cb_t cb;
+ union
+ {
+ gid_ip4_table_t *ip4_table;
+ gid_ip6_table_t *ip6_table;
+ };
+} sfib_entry_arg_t;
+
+static u32 ip4_lookup (gid_ip4_table_t * db, u32 vni, ip_prefix_t * key);
+
+static u32 ip6_lookup (gid_ip6_table_t * db, u32 vni, ip_prefix_t * key);
+
+static void
+foreach_sfib4_subprefix (BVT (clib_bihash_kv) * kvp, void *arg)
+{
+ sfib_entry_arg_t *a = arg;
+ u32 ip = (u32) kvp->key[0];
+ ip4_address_t *mask;
+ u8 plen = ip_prefix_len (&a->src);
+
+ ASSERT (plen <= 32);
+ mask = &a->ip4_table->ip4_fib_masks[plen];
+
+ u32 src_ip = ip_prefix_v4 (&a->src).as_u32;
+ src_ip &= mask->as_u32;
+ ip &= mask->as_u32;
+
+ if (src_ip == ip)
+ {
+ /* found sub-prefix of src prefix */
+ (a->cb) (kvp->value, a->arg);
+ }
+}
+
+static void
+gid_dict_foreach_ip4_subprefix (gid_dictionary_t * db, u32 vni,
+ ip_prefix_t * src, ip_prefix_t * dst,
+ foreach_subprefix_match_cb_t cb, void *arg)
+{
+ u32 sfi;
+ gid_ip4_table_t *sfib4;
+ sfib_entry_arg_t a;
+
+ sfi = ip4_lookup (&db->dst_ip4_table, vni, dst);
+ if (GID_LOOKUP_MISS == sfi)
+ return;
+
+ sfib4 = pool_elt_at_index (db->src_ip4_table_pool, sfi);
+
+ a.arg = arg;
+ a.cb = cb;
+ a.src = src[0];
+ a.ip4_table = sfib4;
+
+ BV (clib_bihash_foreach_key_value_pair) (&sfib4->ip4_lookup_table,
+ foreach_sfib4_subprefix, &a);
+}
+
+static void
+foreach_sfib6_subprefix (BVT (clib_bihash_kv) * kvp, void *arg)
+{
+ sfib_entry_arg_t *a = arg;
+ ip6_address_t ip;
+ ip6_address_t *mask;
+ u8 plen = ip_prefix_len (&a->src);
+
+ mask = &a->ip6_table->ip6_fib_masks[plen];
+ ip.as_u64[0] = kvp->key[0];
+ ip.as_u64[1] = kvp->key[1];
+
+ if (ip6_address_is_equal_masked (&ip_prefix_v6 (&a->src), &ip, mask))
+ {
+ /* found sub-prefix of src prefix */
+ (a->cb) (kvp->value, a->arg);
+ }
+}
+
+static void
+gid_dict_foreach_ip6_subprefix (gid_dictionary_t * db, u32 vni,
+ ip_prefix_t * src, ip_prefix_t * dst,
+ foreach_subprefix_match_cb_t cb, void *arg)
+{
+ u32 sfi;
+ gid_ip6_table_t *sfib6;
+ sfib_entry_arg_t a;
+
+ sfi = ip6_lookup (&db->dst_ip6_table, vni, dst);
+ if (GID_LOOKUP_MISS == sfi)
+ return;
+
+ sfib6 = pool_elt_at_index (db->src_ip6_table_pool, sfi);
+
+ a.arg = arg;
+ a.cb = cb;
+ a.src = src[0];
+ a.ip6_table = sfib6;
+
+ BV (clib_bihash_foreach_key_value_pair) (&sfib6->ip6_lookup_table,
+ foreach_sfib6_subprefix, &a);
+}
+
+void
+gid_dict_foreach_subprefix (gid_dictionary_t * db, gid_address_t * eid,
+ foreach_subprefix_match_cb_t cb, void *arg)
+{
+ ip_prefix_t *ippref = &gid_address_sd_dst_ippref (eid);
+
+ if (IP4 == ip_prefix_version (ippref))
+ gid_dict_foreach_ip4_subprefix (db, gid_address_vni (eid),
+ &gid_address_sd_src_ippref (eid),
+ &gid_address_sd_dst_ippref (eid), cb,
+ arg);
+ else
+ gid_dict_foreach_ip6_subprefix (db, gid_address_vni (eid),
+ &gid_address_sd_src_ippref (eid),
+ &gid_address_sd_dst_ippref (eid), cb,
+ arg);
+}
+
+static void
+make_mac_sd_key (BVT (clib_bihash_kv) * kv, u32 vni, u8 src_mac[6],
+ u8 dst_mac[6])
+{
+ kv->key[0] = (u64) vni;
+ kv->key[1] = mac_to_u64 (dst_mac);
+ kv->key[2] = src_mac ? mac_to_u64 (src_mac) : (u64) 0;
+}
+
+static u32
+mac_sd_lookup (gid_mac_table_t * db, u32 vni, u8 * dst, u8 * src)
+{
+ int rv;
+ BVT (clib_bihash_kv) kv, value;
+
+ make_mac_sd_key (&kv, vni, src, dst);
+ rv = BV (clib_bihash_search_inline_2) (&db->mac_lookup_table, &kv, &value);
+
+ /* no match, try with src 0, catch all for dst */
+ if (rv != 0)
+ {
+ kv.key[2] = 0;
+ rv = BV (clib_bihash_search_inline_2) (&db->mac_lookup_table, &kv,
+ &value);
+ if (rv == 0)
+ return value.value;
+ }
+ else
+ return value.value;
+
+ return GID_LOOKUP_MISS;
+}
+
+static u32
+ip4_lookup_exact_match (gid_ip4_table_t * db, u32 vni, ip_prefix_t * key)
+{
+ int rv;
+ BVT (clib_bihash_kv) kv, value;
+
+ ip4_address_t *mask;
+
+ mask = &db->ip4_fib_masks[ip_prefix_len (key)];
+
+ kv.key[0] = ((u64) vni << 32) | (ip_prefix_v4 (key).as_u32 & mask->as_u32);
+ kv.key[1] = 0;
+ kv.key[2] = 0;
+
+ rv = BV (clib_bihash_search_inline_2) (&db->ip4_lookup_table, &kv, &value);
+ if (rv == 0)
+ return value.value;
+
+ return GID_LOOKUP_MISS;
+}
+
+static u32
+ip4_lookup (gid_ip4_table_t * db, u32 vni, ip_prefix_t * key)
+{
+ int i, len;
+ int rv;
+ BVT (clib_bihash_kv) kv, value;
+
+ len = vec_len (db->ip4_prefix_lengths_in_search_order);
+
+ for (i = 0; i < len; i++)
+ {
+ int dst_address_length = db->ip4_prefix_lengths_in_search_order[i];
+ ip4_address_t *mask;
+
+ ASSERT (dst_address_length >= 0 && dst_address_length <= 32);
+
+ mask = &db->ip4_fib_masks[dst_address_length];
+
+ kv.key[0] =
+ ((u64) vni << 32) | (ip_prefix_v4 (key).as_u32 & mask->as_u32);
+ kv.key[1] = 0;
+ kv.key[2] = 0;
+
+ rv =
+ BV (clib_bihash_search_inline_2) (&db->ip4_lookup_table, &kv, &value);
+ if (rv == 0)
+ return value.value;
+ }
+
+ return GID_LOOKUP_MISS;
+}
+
+static u32
+ip6_lookup_exact_match (gid_ip6_table_t * db, u32 vni, ip_prefix_t * key)
+{
+ int rv;
+ BVT (clib_bihash_kv) kv, value;
+
+ ip6_address_t *mask;
+ mask = &db->ip6_fib_masks[ip_prefix_len (key)];
+
+ kv.key[0] = ip_prefix_v6 (key).as_u64[0] & mask->as_u64[0];
+ kv.key[1] = ip_prefix_v6 (key).as_u64[1] & mask->as_u64[1];
+ kv.key[2] = (u64) vni;
+
+ rv = BV (clib_bihash_search_inline_2) (&db->ip6_lookup_table, &kv, &value);
+ if (rv == 0)
+ return value.value;
+
+ return GID_LOOKUP_MISS;
+}
+
+static u32
+ip6_lookup (gid_ip6_table_t * db, u32 vni, ip_prefix_t * key)
+{
+ int i, len;
+ int rv;
+ BVT (clib_bihash_kv) kv, value;
+
+ len = vec_len (db->ip6_prefix_lengths_in_search_order);
+
+ for (i = 0; i < len; i++)
+ {
+ int dst_address_length = db->ip6_prefix_lengths_in_search_order[i];
+ ip6_address_t *mask;
+
+ ASSERT (dst_address_length >= 0 && dst_address_length <= 128);
+
+ mask = &db->ip6_fib_masks[dst_address_length];
+
+ kv.key[0] = ip_prefix_v6 (key).as_u64[0] & mask->as_u64[0];
+ kv.key[1] = ip_prefix_v6 (key).as_u64[1] & mask->as_u64[1];
+ kv.key[2] = (u64) vni;
+
+ rv =
+ BV (clib_bihash_search_inline_2) (&db->ip6_lookup_table, &kv, &value);
+ if (rv == 0)
+ return value.value;
+ }
+
+ return GID_LOOKUP_MISS;
+}
+
+static u32
+ip_sd_lookup (gid_dictionary_t * db, u32 vni, ip_prefix_t * dst,
+ ip_prefix_t * src)
+{
+ u32 sfi;
+ gid_ip4_table_t *sfib4;
+ gid_ip6_table_t *sfib6;
+
+ switch (ip_prefix_version (dst))
+ {
+ case IP4:
+ sfi = ip4_lookup (&db->dst_ip4_table, vni, dst);
+ if (GID_LOOKUP_MISS != sfi)
+ sfib4 = pool_elt_at_index (db->src_ip4_table_pool, sfi);
+ else
+ return GID_LOOKUP_MISS;
+
+ if (!src)
+ {
+ ip_prefix_t sp;
+ memset (&sp, 0, sizeof (sp));
+ return ip4_lookup_exact_match (sfib4, 0, &sp);
+ }
+ else
+ return ip4_lookup (sfib4, 0, src);
+
+ break;
+ case IP6:
+ sfi = ip6_lookup (&db->dst_ip6_table, vni, dst);
+ if (GID_LOOKUP_MISS != sfi)
+ sfib6 = pool_elt_at_index (db->src_ip6_table_pool, sfi);
+ else
+ return GID_LOOKUP_MISS;
+
+ if (!src)
+ {
+ ip_prefix_t sp;
+ memset (&sp, 0, sizeof (sp));
+ ip_prefix_version (&sp) = IP6;
+ return ip6_lookup_exact_match (sfib6, 0, &sp);
+ }
+ else
+ return ip6_lookup (sfib6, 0, src);
+
+ break;
+ default:
+ clib_warning ("address type %d not supported!",
+ ip_prefix_version (dst));
+ break;
+ }
+ return GID_LOOKUP_MISS;
+}
+
+u32
+gid_dictionary_lookup (gid_dictionary_t * db, gid_address_t * key)
+{
+ switch (gid_address_type (key))
+ {
+ case GID_ADDR_IP_PREFIX:
+ return ip_sd_lookup (db, gid_address_vni (key),
+ &gid_address_ippref (key), 0);
+ case GID_ADDR_MAC:
+ return mac_sd_lookup (&db->sd_mac_table, gid_address_vni (key),
+ gid_address_mac (key), 0);
+ case GID_ADDR_SRC_DST:
+ switch (gid_address_sd_dst_type (key))
+ {
+ case FID_ADDR_IP_PREF:
+ return ip_sd_lookup (db, gid_address_vni (key),
+ &gid_address_sd_dst_ippref (key),
+ &gid_address_sd_src_ippref (key));
+ break;
+ case FID_ADDR_MAC:
+ return mac_sd_lookup (&db->sd_mac_table, gid_address_vni (key),
+ gid_address_sd_dst_mac (key),
+ gid_address_sd_src_mac (key));
+ break;
+ default:
+ clib_warning ("Source/Dest address type %d not supported!",
+ gid_address_sd_dst_type (key));
+ break;
+ }
+ break;
+ default:
+ clib_warning ("address type %d not supported!", gid_address_type (key));
+ break;
+ }
+ return GID_LOOKUP_MISS;
+}
+
+u32
+gid_dictionary_sd_lookup (gid_dictionary_t * db, gid_address_t * dst,
+ gid_address_t * src)
+{
+ switch (gid_address_type (dst))
+ {
+ case GID_ADDR_IP_PREFIX:
+ return ip_sd_lookup (db, gid_address_vni (dst),
+ &gid_address_ippref (dst),
+ &gid_address_ippref (src));
+ case GID_ADDR_MAC:
+ return mac_sd_lookup (&db->sd_mac_table, gid_address_vni (dst),
+ gid_address_mac (dst), gid_address_mac (src));
+ case GID_ADDR_SRC_DST:
+ switch (gid_address_sd_dst_type (dst))
+ {
+ case FID_ADDR_IP_PREF:
+ return ip_sd_lookup (db, gid_address_vni (dst),
+ &gid_address_sd_dst_ippref (dst),
+ &gid_address_sd_src_ippref (dst));
+ break;
+ case FID_ADDR_MAC:
+ return mac_sd_lookup (&db->sd_mac_table, gid_address_vni (dst),
+ gid_address_sd_dst_mac (dst),
+ gid_address_sd_src_mac (dst));
+ break;
+ default:
+ clib_warning ("Source/Dest address type %d not supported!",
+ gid_address_sd_dst_type (dst));
+ break;
+ }
+ break;
+ default:
+ clib_warning ("address type %d not supported!", gid_address_type (dst));
+ break;
+ }
+ return GID_LOOKUP_MISS;
+}
+
+static void
+ip4_compute_prefix_lengths_in_search_order (gid_ip4_table_t * db)
+{
+ int i;
+ vec_reset_length (db->ip4_prefix_lengths_in_search_order);
+ /* Note: bitmap reversed so this is in fact a longest prefix match */
+
+ /* *INDENT-OFF* */
+ clib_bitmap_foreach (i, db->ip4_non_empty_dst_address_length_bitmap,
+ ({
+ int dst_address_length = 32 - i;
+ vec_add1 (db->ip4_prefix_lengths_in_search_order, dst_address_length);
+ }));
+ /* *INDENT-ON* */
+
+}
+
+static u32
+add_del_ip4_key (gid_ip4_table_t * db, u32 vni, ip_prefix_t * pref, u32 val,
+ u8 is_add)
+{
+ BVT (clib_bihash_kv) kv, value;
+ u32 old_val = ~0;
+ ip4_address_t key;
+ u8 plen = ip_prefix_len (pref);
+
+ clib_memcpy (&key, &ip_prefix_v4 (pref), sizeof (key));
+ key.as_u32 &= db->ip4_fib_masks[plen].as_u32;
+ if (is_add)
+ {
+ db->ip4_non_empty_dst_address_length_bitmap =
+ clib_bitmap_set (db->ip4_non_empty_dst_address_length_bitmap,
+ 32 - plen, 1);
+ ip4_compute_prefix_lengths_in_search_order (db);
+
+ db->ip4_prefix_len_refcount[plen]++;
+ }
+ else
+ {
+ ASSERT (db->ip4_prefix_len_refcount[plen] != 0);
+
+ db->ip4_prefix_len_refcount[plen]--;
+
+ if (db->ip4_prefix_len_refcount[plen] == 0)
+ {
+ db->ip4_non_empty_dst_address_length_bitmap =
+ clib_bitmap_set (db->ip4_non_empty_dst_address_length_bitmap,
+ 32 - plen, 0);
+ ip4_compute_prefix_lengths_in_search_order (db);
+ }
+ }
+
+ kv.key[0] = ((u64) vni << 32) | key.as_u32;
+ kv.key[1] = 0;
+ kv.key[2] = 0;
+
+ if (BV (clib_bihash_search) (&db->ip4_lookup_table, &kv, &value) == 0)
+ old_val = value.value;
+
+ if (!is_add)
+ BV (clib_bihash_add_del) (&db->ip4_lookup_table, &kv, 0 /* is_add */ );
+ else
+ {
+ kv.value = val;
+ BV (clib_bihash_add_del) (&db->ip4_lookup_table, &kv, 1 /* is_add */ );
+ }
+ return old_val;
+}
+
+static void
+ip4_lookup_init (gid_ip4_table_t * db)
+{
+ uword i;
+
+ memset (db->ip4_prefix_len_refcount, 0,
+ sizeof (db->ip4_prefix_len_refcount));
+
+ for (i = 0; i < ARRAY_LEN (db->ip4_fib_masks); i++)
+ {
+ u32 m;
+
+ if (i < 32)
+ m = pow2_mask (i) << (32 - i);
+ else
+ m = ~0;
+ db->ip4_fib_masks[i].as_u32 = clib_host_to_net_u32 (m);
+ }
+ if (db->ip4_lookup_table_nbuckets == 0)
+ db->ip4_lookup_table_nbuckets = IP4_LOOKUP_DEFAULT_HASH_NUM_BUCKETS;
+
+ db->ip4_lookup_table_nbuckets =
+ 1 << max_log2 (db->ip4_lookup_table_nbuckets);
+
+ if (db->ip4_lookup_table_size == 0)
+ db->ip4_lookup_table_size = IP4_LOOKUP_DEFAULT_HASH_MEMORY_SIZE;
+
+ BV (clib_bihash_init) (&db->ip4_lookup_table, "ip4 lookup table",
+ db->ip4_lookup_table_nbuckets,
+ db->ip4_lookup_table_size);
+}
+
+static u32
+add_del_sd_ip4_key (gid_dictionary_t * db, u32 vni, ip_prefix_t * dst_pref,
+ ip_prefix_t * src_pref, u32 val, u8 is_add)
+{
+ u32 sfi, old_val = ~0;
+ gid_ip4_table_t *sfib;
+
+ sfi = ip4_lookup_exact_match (&db->dst_ip4_table, vni, dst_pref);
+
+ if (is_add)
+ {
+ if (GID_LOOKUP_MISS == sfi)
+ {
+ pool_get (db->src_ip4_table_pool, sfib);
+ ip4_lookup_init (sfib);
+ add_del_ip4_key (&db->dst_ip4_table, vni, dst_pref,
+ sfib - db->src_ip4_table_pool, is_add);
+ if (src_pref)
+ add_del_ip4_key (sfib, 0 /* vni */ , src_pref, val, is_add);
+ else
+ {
+ ip_prefix_t sp;
+ memset (&sp, 0, sizeof (sp));
+ add_del_ip4_key (sfib, 0 /* vni */ , &sp, val, is_add);
+ }
+ }
+ else
+ {
+ ASSERT (!pool_is_free_index (db->src_ip4_table_pool, sfi));
+ sfib = pool_elt_at_index (db->src_ip4_table_pool, sfi);
+ if (src_pref)
+ {
+ old_val = ip4_lookup_exact_match (sfib, 0, src_pref);
+ add_del_ip4_key (sfib, 0 /* vni */ , src_pref, val, is_add);
+ }
+ else
+ {
+ ip_prefix_t sp;
+ memset (&sp, 0, sizeof (sp));
+ old_val =
+ add_del_ip4_key (sfib, 0 /* vni */ , &sp, val, is_add);
+ }
+ }
+ }
+ else
+ {
+ if (GID_LOOKUP_MISS != sfi)
+ {
+ add_del_ip4_key (&db->dst_ip4_table, vni, dst_pref, 0, is_add);
+ sfib = pool_elt_at_index (db->src_ip4_table_pool, sfi);
+ if (src_pref)
+ old_val = add_del_ip4_key (sfib, 0, src_pref, 0, is_add);
+ else
+ {
+ ip_prefix_t sp;
+ memset (&sp, 0, sizeof (sp));
+ old_val = add_del_ip4_key (sfib, 0, &sp, 0, is_add);
+ }
+ }
+ else
+ clib_warning ("cannot delete dst mapping %U!", format_ip_prefix,
+ dst_pref);
+ }
+ return old_val;
+}
+
+static void
+ip6_compute_prefix_lengths_in_search_order (gid_ip6_table_t * db)
+{
+ int i;
+ vec_reset_length (db->ip6_prefix_lengths_in_search_order);
+ /* Note: bitmap reversed so this is in fact a longest prefix match */
+
+ /* *INDENT-OFF* */
+ clib_bitmap_foreach (i, db->ip6_non_empty_dst_address_length_bitmap,
+ ({
+ int dst_address_length = 128 - i;
+ vec_add1 (db->ip6_prefix_lengths_in_search_order, dst_address_length);
+ }));
+ /* *INDENT-ON* */
+}
+
+static u32
+add_del_ip6_key (gid_ip6_table_t * db, u32 vni, ip_prefix_t * pref, u32 val,
+ u8 is_add)
+{
+ BVT (clib_bihash_kv) kv, value;
+ u32 old_val = ~0;
+ ip6_address_t key;
+ u8 plen = ip_prefix_len (pref);
+
+ clib_memcpy (&key, &ip_prefix_v6 (pref), sizeof (key));
+ ip6_address_mask (&key, &db->ip6_fib_masks[plen]);
+ if (is_add)
+ {
+ db->ip6_non_empty_dst_address_length_bitmap =
+ clib_bitmap_set (db->ip6_non_empty_dst_address_length_bitmap,
+ 128 - plen, 1);
+ ip6_compute_prefix_lengths_in_search_order (db);
+ db->ip6_prefix_len_refcount[plen]++;
+ }
+ else
+ {
+ ASSERT (db->ip6_prefix_len_refcount[plen] != 0);
+
+ db->ip6_prefix_len_refcount[plen]--;
+
+ if (db->ip6_prefix_len_refcount[plen] == 0)
+ {
+ db->ip6_non_empty_dst_address_length_bitmap =
+ clib_bitmap_set (db->ip6_non_empty_dst_address_length_bitmap,
+ 128 - plen, 0);
+ ip6_compute_prefix_lengths_in_search_order (db);
+ }
+ }
+
+ kv.key[0] = key.as_u64[0];
+ kv.key[1] = key.as_u64[1];
+ kv.key[2] = (u64) vni;
+// kv.key[2] = ((u64)((fib - im->fibs))<<32) | ip_prefix_len(key);
+
+ if (BV (clib_bihash_search) (&db->ip6_lookup_table, &kv, &value) == 0)
+ old_val = value.value;
+
+ if (!is_add)
+ BV (clib_bihash_add_del) (&db->ip6_lookup_table, &kv, 0 /* is_add */ );
+ else
+ {
+ kv.value = val;
+ BV (clib_bihash_add_del) (&db->ip6_lookup_table, &kv, 1 /* is_add */ );
+ }
+ return old_val;
+}
+
+static u32
+add_del_mac (gid_mac_table_t * db, u32 vni, u8 * dst_mac, u8 * src_mac,
+ u32 val, u8 is_add)
+{
+ BVT (clib_bihash_kv) kv, value;
+ u32 old_val = ~0;
+
+ make_mac_sd_key (&kv, vni, src_mac, dst_mac);
+
+ if (BV (clib_bihash_search) (&db->mac_lookup_table, &kv, &value) == 0)
+ old_val = value.value;
+
+ if (!is_add)
+ BV (clib_bihash_add_del) (&db->mac_lookup_table, &kv, 0 /* is_add */ );
+ else
+ {
+ kv.value = val;
+ BV (clib_bihash_add_del) (&db->mac_lookup_table, &kv, 1 /* is_add */ );
+ }
+ return old_val;
+}
+
+static void
+ip6_lookup_init (gid_ip6_table_t * db)
+{
+ uword i;
+
+ memset (db->ip6_prefix_len_refcount, 0,
+ sizeof (db->ip6_prefix_len_refcount));
+
+ for (i = 0; i < ARRAY_LEN (db->ip6_fib_masks); i++)
+ {
+ u32 j, i0, i1;
+
+ i0 = i / 32;
+ i1 = i % 32;
+
+ for (j = 0; j < i0; j++)
+ db->ip6_fib_masks[i].as_u32[j] = ~0;
+
+ if (i1)
+ db->ip6_fib_masks[i].as_u32[i0] =
+ clib_host_to_net_u32 (pow2_mask (i1) << (32 - i1));
+ }
+
+ if (db->ip6_lookup_table_nbuckets == 0)
+ db->ip6_lookup_table_nbuckets = IP6_LOOKUP_DEFAULT_HASH_NUM_BUCKETS;
+
+ db->ip6_lookup_table_nbuckets =
+ 1 << max_log2 (db->ip6_lookup_table_nbuckets);
+
+ if (db->ip6_lookup_table_size == 0)
+ db->ip6_lookup_table_size = IP6_LOOKUP_DEFAULT_HASH_MEMORY_SIZE;
+
+ BV (clib_bihash_init) (&db->ip6_lookup_table, "ip6 lookup table",
+ db->ip6_lookup_table_nbuckets,
+ db->ip6_lookup_table_size);
+}
+
+static u32
+add_del_sd_ip6_key (gid_dictionary_t * db, u32 vni, ip_prefix_t * dst_pref,
+ ip_prefix_t * src_pref, u32 val, u8 is_add)
+{
+ u32 sfi, old_val = ~0;
+ gid_ip6_table_t *sfib;
+
+ sfi = ip6_lookup_exact_match (&db->dst_ip6_table, vni, dst_pref);
+
+ if (is_add)
+ {
+ if (GID_LOOKUP_MISS == sfi)
+ {
+ pool_get (db->src_ip6_table_pool, sfib);
+ ip6_lookup_init (sfib);
+ add_del_ip6_key (&db->dst_ip6_table, vni, dst_pref,
+ sfib - db->src_ip6_table_pool, is_add);
+ if (src_pref)
+ add_del_ip6_key (sfib, 0 /* vni */ , src_pref, val, is_add);
+ else
+ {
+ ip_prefix_t sp;
+ memset (&sp, 0, sizeof (sp));
+ ip_prefix_version (&sp) = IP6;
+ add_del_ip6_key (sfib, 0 /* vni */ , &sp, val, is_add);
+ }
+ }
+ else
+ {
+ ASSERT (!pool_is_free_index (db->src_ip6_table_pool, sfi));
+ sfib = pool_elt_at_index (db->src_ip6_table_pool, sfi);
+ if (src_pref)
+ {
+ old_val = ip6_lookup_exact_match (sfib, 0, src_pref);
+ add_del_ip6_key (sfib, 0 /* vni */ , src_pref, val, is_add);
+ }
+ else
+ {
+ ip_prefix_t sp;
+ memset (&sp, 0, sizeof (sp));
+ ip_prefix_version (&sp) = IP6;
+ old_val =
+ add_del_ip6_key (sfib, 0 /* vni */ , &sp, val, is_add);
+ }
+ }
+ }
+ else
+ {
+ if (GID_LOOKUP_MISS != sfi)
+ {
+ add_del_ip6_key (&db->dst_ip6_table, vni, dst_pref, 0, is_add);
+ sfib = pool_elt_at_index (db->src_ip6_table_pool, sfi);
+ if (src_pref)
+ old_val = add_del_ip6_key (sfib, 0, src_pref, 0, is_add);
+ else
+ {
+ ip_prefix_t sp;
+ memset (&sp, 0, sizeof (sp));
+ ip_prefix_version (&sp) = IP6;
+ old_val = add_del_ip6_key (sfib, 0, &sp, 0, is_add);
+ }
+ }
+ else
+ clib_warning ("cannot delete dst mapping %U!", format_ip_prefix,
+ dst_pref);
+ }
+ return old_val;
+}
+
+static u32
+add_del_ip (gid_dictionary_t * db, u32 vni, ip_prefix_t * dst_key,
+ ip_prefix_t * src_key, u32 value, u8 is_add)
+{
+ switch (ip_prefix_version (dst_key))
+ {
+ case IP4:
+ return add_del_sd_ip4_key (db, vni, dst_key, src_key, value, is_add);
+ break;
+ case IP6:
+ return add_del_sd_ip6_key (db, vni, dst_key, src_key, value, is_add);
+ break;
+ default:
+ clib_warning ("address type %d not supported!",
+ ip_prefix_version (dst_key));
+ break;
+ }
+ return ~0;
+}
+
+static u32
+add_del_sd (gid_dictionary_t * db, u32 vni, source_dest_t * key, u32 value,
+ u8 is_add)
+{
+ switch (sd_dst_type (key))
+ {
+ case FID_ADDR_IP_PREF:
+ add_del_ip (db, vni, &sd_dst_ippref (key), &sd_src_ippref (key),
+ value, is_add);
+
+ case FID_ADDR_MAC:
+ return add_del_mac (&db->sd_mac_table, vni, sd_dst_mac (key),
+ sd_src_mac (key), value, is_add);
+
+ default:
+ clib_warning ("SD address type %d not supprted!", sd_dst_type (key));
+ break;
+ }
+
+ return ~0;
+}
+
+u32
+gid_dictionary_add_del (gid_dictionary_t * db, gid_address_t * key, u32 value,
+ u8 is_add)
+{
+ switch (gid_address_type (key))
+ {
+ case GID_ADDR_IP_PREFIX:
+ return add_del_ip (db, gid_address_vni (key), &gid_address_ippref (key),
+ 0, value, is_add);
+ case GID_ADDR_MAC:
+ return add_del_mac (&db->sd_mac_table, gid_address_vni (key),
+ gid_address_mac (key), 0, value, is_add);
+ case GID_ADDR_SRC_DST:
+ return add_del_sd (db, gid_address_vni (key), &gid_address_sd (key),
+ value, is_add);
+ default:
+ clib_warning ("address type %d not supported!", gid_address_type (key));
+ break;
+ }
+ return ~0;
+}
+
+static void
+mac_lookup_init (gid_mac_table_t * db)
+{
+ if (db->mac_lookup_table_nbuckets == 0)
+ db->mac_lookup_table_nbuckets = MAC_LOOKUP_DEFAULT_HASH_NUM_BUCKETS;
+
+ db->mac_lookup_table_nbuckets =
+ 1 << max_log2 (db->mac_lookup_table_nbuckets);
+
+ if (db->mac_lookup_table_size == 0)
+ db->mac_lookup_table_size = MAC_LOOKUP_DEFAULT_HASH_MEMORY_SIZE;
+
+ BV (clib_bihash_init) (&db->mac_lookup_table, "mac lookup table",
+ db->mac_lookup_table_nbuckets,
+ db->mac_lookup_table_size);
+}
+
+void
+gid_dictionary_init (gid_dictionary_t * db)
+{
+ ip4_lookup_init (&db->dst_ip4_table);
+ ip6_lookup_init (&db->dst_ip6_table);
+ mac_lookup_init (&db->sd_mac_table);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/gid_dictionary.h b/src/vnet/lisp-cp/gid_dictionary.h
new file mode 100644
index 00000000000..c5aaf8cb30d
--- /dev/null
+++ b/src/vnet/lisp-cp/gid_dictionary.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VNET_LISP_GPE_GID_DICTIONARY_H_
+#define VNET_LISP_GPE_GID_DICTIONARY_H_
+
+#include <vnet/vnet.h>
+#include <vnet/lisp-cp/lisp_types.h>
+#include <vppinfra/bihash_24_8.h>
+#include <vppinfra/bihash_template.h>
+
+#define GID_LOOKUP_MISS ((u32)~0)
+
+/* Default size of the ip4 hash table */
+#define IP4_LOOKUP_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
+#define IP4_LOOKUP_DEFAULT_HASH_MEMORY_SIZE (32<<20)
+
+/* Default size of the ip6 hash table */
+#define IP6_LOOKUP_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
+#define IP6_LOOKUP_DEFAULT_HASH_MEMORY_SIZE (32<<20)
+
+/* Default size of the MAC hash table */
+#define MAC_LOOKUP_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
+#define MAC_LOOKUP_DEFAULT_HASH_MEMORY_SIZE (32<<20)
+
+typedef void (*foreach_subprefix_match_cb_t) (u32, void *);
+
+typedef struct
+{
+ BVT (clib_bihash) ip4_lookup_table;
+
+ /* bitmap/vector of mask widths to search */
+ uword *ip4_non_empty_dst_address_length_bitmap;
+ u8 *ip4_prefix_lengths_in_search_order;
+ ip4_address_t ip4_fib_masks[33];
+ u32 ip4_prefix_len_refcount[33];
+
+ /* ip4 lookup table config parameters */
+ u32 ip4_lookup_table_nbuckets;
+ uword ip4_lookup_table_size;
+} gid_ip4_table_t;
+
+typedef struct
+{
+ BVT (clib_bihash) ip6_lookup_table;
+
+ /* bitmap/vector of mask widths to search */
+ uword *ip6_non_empty_dst_address_length_bitmap;
+ u8 *ip6_prefix_lengths_in_search_order;
+ ip6_address_t ip6_fib_masks[129];
+ u64 ip6_prefix_len_refcount[129];
+
+ /* ip6 lookup table config parameters */
+ u32 ip6_lookup_table_nbuckets;
+ uword ip6_lookup_table_size;
+} gid_ip6_table_t;
+
+typedef struct gid_mac_table
+{
+ BVT (clib_bihash) mac_lookup_table;
+
+ /* mac lookup table config parameters */
+ u32 mac_lookup_table_nbuckets;
+ uword mac_lookup_table_size;
+} gid_mac_table_t;
+
+typedef struct
+{
+ /** destination IP LPM ip4 lookup table */
+ gid_ip4_table_t dst_ip4_table;
+
+ /** pool of source IP LPM ip4 lookup tables */
+ gid_ip4_table_t *src_ip4_table_pool;
+
+ /** destination IP LPM ip6 lookup table */
+ gid_ip6_table_t dst_ip6_table;
+
+ /** pool of source IP LPM ip6 lookup tables */
+ gid_ip6_table_t *src_ip6_table_pool;
+
+ /** flat source/dest mac lookup table */
+ gid_mac_table_t sd_mac_table;
+
+} gid_dictionary_t;
+
+u32
+gid_dictionary_add_del (gid_dictionary_t * db, gid_address_t * key, u32 value,
+ u8 is_add);
+
+u32 gid_dictionary_lookup (gid_dictionary_t * db, gid_address_t * key);
+u32 gid_dictionary_sd_lookup (gid_dictionary_t * db, gid_address_t * dst,
+ gid_address_t * src);
+
+void gid_dictionary_init (gid_dictionary_t * db);
+
+void
+gid_dict_foreach_subprefix (gid_dictionary_t * db, gid_address_t * eid,
+ foreach_subprefix_match_cb_t cb, void *arg);
+
+#endif /* VNET_LISP_GPE_GID_DICTIONARY_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/lisp.api b/src/vnet/lisp-cp/lisp.api
new file mode 100644
index 00000000000..20c17aa39b1
--- /dev/null
+++ b/src/vnet/lisp-cp/lisp.api
@@ -0,0 +1,835 @@
+/*
+ * Copyright (c) 2015-2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/** \brief add or delete locator_set
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add address if non-zero, else delete
+ @param locator_set_name - locator name
+ @param locator_num - number of locators
+ @param locators - LISP locator records
+ Structure of one locator record is as follows:
+
+ define locator_t {
+ u32 sw_if_index;
+ u8 priority;
+ u8 weight;
+ }
+*/
+define lisp_add_del_locator_set
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 locator_set_name[64];
+ u32 locator_num;
+ u8 locators[0];
+};
+
+/** \brief Reply for locator_set add/del
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+ @param ls_index - locator set index
+*/
+define lisp_add_del_locator_set_reply
+{
+ u32 context;
+ i32 retval;
+ u32 ls_index;
+};
+
+/** \brief add or delete locator for locator_set
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add address if non-zero, else delete
+ @param locator_set_name - name of locator_set to add/del locator
+ @param sw_if_index - index of the interface
+ @param priority - priority of the lisp locator
+ @param weight - weight of the lisp locator
+*/
+define lisp_add_del_locator
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 locator_set_name[64];
+ u32 sw_if_index;
+ u8 priority;
+ u8 weight;
+};
+
+/** \brief Reply for locator add/del
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_add_del_locator_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief add or delete lisp eid-table
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add address if non-zero, else delete
+ @param eid_type:
+ 0 : ipv4
+ 1 : ipv6
+ 2 : mac
+ @param eid - EID can be ip4, ip6 or mac
+ @param prefix_len - prefix len
+ @param locator_set_name - name of locator_set to add/del eid-table
+ @param vni - virtual network instance
+ @param key_id
+ HMAC_NO_KEY 0
+ HMAC_SHA_1_96 1
+ HMAC_SHA_256_128 2
+ @param key - secret key
+*/
+define lisp_add_del_local_eid
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 eid_type;
+ u8 eid[16];
+ u8 prefix_len;
+ u8 locator_set_name[64];
+ u32 vni;
+ u16 key_id;
+ u8 key[64];
+};
+
+/** \brief Reply for local_eid add/del
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_add_del_local_eid_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief Add/delete map server
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add address if non-zero; delete otherwise
+ @param is_ipv6 - if non-zero the address is ipv6, else ipv4
+ @param ip_address - map server IP address
+*/
+define lisp_add_del_map_server
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 is_ipv6;
+ u8 ip_address[16];
+};
+
+/** \brief Reply for lisp_add_del_map_server
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_add_del_map_server_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief add or delete map-resolver
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add address if non-zero, else delete
+ @param is_ipv6 - if non-zero the address is ipv6, else ipv4
+ @param ip_address - array of address bytes
+*/
+define lisp_add_del_map_resolver
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 is_ipv6;
+ u8 ip_address[16];
+};
+
+/** \brief Reply for map_resolver add/del
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_add_del_map_resolver_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief enable or disable LISP feature
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_en - enable protocol if non-zero, else disable
+*/
+define lisp_enable_disable
+{
+ u32 client_index;
+ u32 context;
+ u8 is_en;
+};
+
+/** \brief Reply for gpe enable/disable
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_enable_disable_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief configure or disable LISP PITR node
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param ls_name - locator set name
+ @param is_add - add locator set if non-zero, else disable pitr
+*/
+define lisp_pitr_set_locator_set
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 ls_name[64];
+};
+
+/** \brief Reply for lisp_pitr_set_locator_set
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_pitr_set_locator_set_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief Get state of LISP RLOC probing
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define show_lisp_rloc_probe_state
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Reply for show_lisp_rloc_probe_state
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+ @param is_enabled - state of RLOC probing
+*/
+define show_lisp_rloc_probe_state_reply
+{
+ u32 context;
+ i32 retval;
+ u8 is_enabled;
+};
+
+/** \brief enable/disable LISP RLOC probing
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_enable - enable if non-zero; disable otherwise
+*/
+define lisp_rloc_probe_enable_disable
+{
+ u32 client_index;
+ u32 context;
+ u8 is_enabled;
+};
+
+/** \brief Reply for lisp_rloc_probe_enable_disable
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_rloc_probe_enable_disable_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief enable/disable LISP map-register
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_enable - enable if non-zero; disable otherwise
+*/
+define lisp_map_register_enable_disable
+{
+ u32 client_index;
+ u32 context;
+ u8 is_enabled;
+};
+
+/** \brief Reply for lisp_map_register_enable_disable
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_map_register_enable_disable_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief Get state of LISP map-register
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define show_lisp_map_register_state
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Reply for show_lisp_map_register_state
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define show_lisp_map_register_state_reply
+{
+ u32 context;
+ i32 retval;
+ u8 is_enabled;
+};
+
+/** \brief set LISP map-request mode. Based on configuration VPP will send
+ src/dest or just normal destination map requests.
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param mode - new map-request mode. Supported values are:
+ 0 - destination only
+ 1 - source/destaination
+*/
+define lisp_map_request_mode
+{
+ u32 client_index;
+ u32 context;
+ u8 mode;
+};
+
+/** \brief Reply for lisp_map_request_mode
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_map_request_mode_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief Request for LISP map-request mode
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define show_lisp_map_request_mode
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Reply for show_lisp_map_request_mode
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+ @param mode - map-request mode
+*/
+define show_lisp_map_request_mode_reply
+{
+ u32 context;
+ i32 retval;
+ u8 mode;
+};
+
+/** \brief add or delete remote static mapping
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add address if non-zero, else delete
+ @param is_src_dst - flag indicating src/dst based routing policy
+ @param del_all - if set, delete all remote mappings
+ @param vni - virtual network instance
+ @param action - negative map-reply action
+ @param eid_type -
+ 0 : ipv4
+ 1 : ipv6
+ 2 : mac
+ @param deid - dst EID
+ @param seid - src EID, valid only if is_src_dst is enabled
+ @param rloc_num - number of remote locators
+ @param rlocs - remote locator records
+ Structure of remote locator:
+
+ define rloc_t {
+ u8 is_ip4;
+ u8 priority;
+ u8 weight;
+ u8 addr[16];
+ }
+*/
+define lisp_add_del_remote_mapping
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 is_src_dst;
+ u8 del_all;
+ u32 vni;
+ u8 action;
+ u8 eid_type;
+ u8 eid[16];
+ u8 eid_len;
+ u8 seid[16];
+ u8 seid_len;
+ u32 rloc_num;
+ u8 rlocs[0];
+};
+
+/** \brief Reply for lisp_add_del_remote_mapping
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_add_del_remote_mapping_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief add or delete LISP adjacency adjacency
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add address if non-zero, else delete
+ @param vni - virtual network instance
+ @param eid_type -
+ 0 : ipv4
+ 1 : ipv6
+ 2 : mac
+ @param reid - remote EID
+ @param leid - local EID
+*/
+define lisp_add_del_adjacency
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u32 vni;
+ u8 eid_type;
+ u8 reid[16];
+ u8 leid[16];
+ u8 reid_len;
+ u8 leid_len;
+};
+
+/** \brief Reply for lisp_add_del_adjacency
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_add_del_adjacency_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief add or delete map request itr rlocs
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add address if non-zero, else delete
+ @param locator_set_name - locator set name
+*/
+define lisp_add_del_map_request_itr_rlocs
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 locator_set_name[64];
+};
+
+/** \brief Reply for lisp_add_del_map_request_itr_rlocs
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+
+define lisp_add_del_map_request_itr_rlocs_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief map/unmap vni/bd_index to vrf
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add or delete mapping
+ @param dp_table - virtual network id/bridge domain index
+ @param vrf - vrf
+*/
+define lisp_eid_table_add_del_map
+{
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u32 vni;
+ u32 dp_table;
+ u8 is_l2;
+};
+
+/** \brief Reply for lisp_eid_table_add_del_map
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+*/
+define lisp_eid_table_add_del_map_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief Request for map lisp locator status
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param locator_set_index - index of locator_set
+ @param ls_name - locator set name
+ @param is_index_set - flag indicating whether ls_name or ls_index is set
+ */
+define lisp_locator_dump
+{
+ u32 client_index;
+ u32 context;
+ u32 ls_index;
+ u8 ls_name[64];
+ u8 is_index_set;
+};
+
+/** \brief LISP locator_set status
+ @param local - if is set, then locator is local
+ @param locator_set_name - name of the locator_set
+ @param sw_if_index - sw_if_index of the locator
+ @param priority - locator priority
+ @param weight - locator weight
+ */
+define lisp_locator_details
+{
+ u32 context;
+ u8 local;
+ u32 sw_if_index;
+ u8 is_ipv6;
+ u8 ip_address[16];
+ u8 priority;
+ u8 weight;
+};
+
+/** \brief LISP locator_set status
+ @param context - sender context, to match reply w/ request
+ @param ls_index - locator set index
+ @param ls_name - name of the locator set
+ */
+define lisp_locator_set_details
+{
+ u32 context;
+ u32 ls_index;
+ u8 ls_name[64];
+};
+
+/** \brief Request for locator_set summary status
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param filter - filter type
+ Supported values:
+ 0: all locator sets
+ 1: local locator sets
+ 2: remote locator sets
+ */
+define lisp_locator_set_dump
+{
+ u32 client_index;
+ u32 context;
+ u8 filter;
+};
+
+/** \brief Dump lisp eid-table
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param locator_set_index - index of locator_set, if ~0 then the mapping
+ is negative
+ @param action - negative map request action
+ @param is_local - local if non-zero, else remote
+ @param eid_type:
+ 0 : ipv4
+ 1 : ipv6
+ 2 : mac
+ @param is_src_dst - EID is type of source/destination
+ @param eid - EID can be ip4, ip6 or mac
+ @param eid_prefix_len - prefix length
+ @param seid - source EID can be ip4, ip6 or mac
+ @param seid_prefix_len - source prefix length
+ @param vni - virtual network instance
+ @param ttl - time to live
+ @param authoritative - authoritative
+ @param key_id
+ HMAC_NO_KEY 0
+ HMAC_SHA_1_96 1
+ HMAC_SHA_256_128 2
+ @param key - secret key
+*/
+
+define lisp_eid_table_details
+{
+ u32 context;
+ u32 locator_set_index;
+ u8 action;
+ u8 is_local;
+ u8 eid_type;
+ u8 is_src_dst;
+ u32 vni;
+ u8 eid[16];
+ u8 eid_prefix_len;
+ u8 seid[16];
+ u8 seid_prefix_len;
+ u32 ttl;
+ u8 authoritative;
+ u16 key_id;
+ u8 key[64];
+};
+
+/** \brief Request for eid table summary status
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param eid_set - if non-zero request info about specific mapping
+ @param vni - virtual network instance; valid only if eid_set != 0
+ @param prefix_length - prefix length if EID is IP address;
+ valid only if eid_set != 0
+ @param eid_type - EID type; valid only if eid_set != 0
+ Supported values:
+ 0: EID is IPv4
+ 1: EID is IPv6
+ 2: EID is ethernet address
+ @param eid - endpoint identifier
+ @param filter - filter type;
+ Support values:
+ 0: all eid
+ 1: local eid
+ 2: remote eid
+ */
+define lisp_eid_table_dump
+{
+ u32 client_index;
+ u32 context;
+ u8 eid_set;
+ u8 prefix_length;
+ u32 vni;
+ u8 eid_type;
+ u8 eid[16];
+ u8 filter;
+};
+
+/** \brief LISP adjacency
+ @param eid_type -
+ 0 : ipv4
+ 1 : ipv6
+ 2 : mac
+ @param reid - remote EID
+ @param leid - local EID
+ @param reid_prefix_len - remote EID IP prefix length
+ @param leid_prefix_len - local EID IP prefix length
+ */
+typeonly manual_print manual_endian define lisp_adjacency
+{
+ u8 eid_type;
+ u8 reid[16];
+ u8 leid[16];
+ u8 reid_prefix_len;
+ u8 leid_prefix_len;
+};
+
+/** \brief LISP adjacency reply
+ @param count - number of adjacencies
+ @param adjacencies - array of adjacencies
+ */
+manual_endian manual_print define lisp_adjacencies_get_reply
+{
+ u32 context;
+ i32 retval;
+ u32 count;
+ vl_api_lisp_adjacency_t adjacencies[count];
+};
+
+/** \brief Request for LISP adjacencies
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param vni - filter adjacencies by VNI
+ */
+define lisp_adjacencies_get
+{
+ u32 client_index;
+ u32 context;
+ u32 vni;
+};
+
+/** \brief Shows relationship between vni and vrf/bd
+ @param dp_table - VRF index or bridge domain index
+ @param vni - vitual network instance
+ */
+define lisp_eid_table_map_details
+{
+ u32 context;
+ u32 vni;
+ u32 dp_table;
+};
+
+/** \brief Request for lisp_eid_table_map_details
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_l2 - if set dump vni/bd mappings else vni/vrf
+ */
+define lisp_eid_table_map_dump
+{
+ u32 client_index;
+ u32 context;
+ u8 is_l2;
+};
+
+/** \brief Dumps all VNIs used in mappings
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ */
+define lisp_eid_table_vni_dump
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief reply to lisp_eid_table_vni_dump
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param vni - virtual network instance
+ */
+define lisp_eid_table_vni_details
+{
+ u32 client_index;
+ u32 context;
+ u32 vni;
+};
+
+/** \brief LISP map resolver status
+ @param is_ipv6 - if non-zero the address is ipv6, else ipv4
+ @param ip_address - array of address bytes
+ */
+define lisp_map_resolver_details
+{
+ u32 context;
+ u8 is_ipv6;
+ u8 ip_address[16];
+};
+
+/** \brief Request for map resolver summary status
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ */
+define lisp_map_resolver_dump
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief LISP map server details
+ @param is_ipv6 - if non-zero the address is ipv6, else ipv4
+ @param ip_address - array of address bytes
+ */
+define lisp_map_server_details
+{
+ u32 context;
+ u8 is_ipv6;
+ u8 ip_address[16];
+};
+
+/** \brief Request for map server summary status
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ */
+define lisp_map_server_dump
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Request for lisp-gpe protocol status
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define show_lisp_status
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Status of lisp, enable or disable
+ @param context - sender context, to match reply w/ request
+ @param feature_status - lisp enable if non-zero, else disable
+ @param gpe_status - lisp enable if non-zero, else disable
+*/
+define show_lisp_status_reply
+{
+ u32 context;
+ i32 retval;
+ u8 feature_status;
+ u8 gpe_status;
+};
+
+/** \brief Get LISP map request itr rlocs status
+ @param context - sender context, to match reply w/ request
+ @param locator_set_name - name of the locator_set
+ */
+define lisp_get_map_request_itr_rlocs
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Request for map request itr rlocs summary status
+ */
+define lisp_get_map_request_itr_rlocs_reply
+{
+ u32 context;
+ i32 retval;
+ u8 locator_set_name[64];
+};
+
+/** \brief Request for lisp pitr status
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define show_lisp_pitr
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Status of lisp pitr, enable or disable
+ @param context - sender context, to match reply w/ request
+ @param status - lisp pitr enable if non-zero, else disable
+ @param locator_set_name - name of the locator_set
+*/
+define show_lisp_pitr_reply
+{
+ u32 context;
+ i32 retval;
+ u8 status;
+ u8 locator_set_name[64];
+};
+
+/*
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
+ \ No newline at end of file
diff --git a/src/vnet/lisp-cp/lisp_api.c b/src/vnet/lisp-cp/lisp_api.c
new file mode 100644
index 00000000000..d3fc4627c5f
--- /dev/null
+++ b/src/vnet/lisp-cp/lisp_api.c
@@ -0,0 +1,1257 @@
+/*
+ *------------------------------------------------------------------
+ * lisp_api.c - lisp api
+ *
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <vnet/vnet.h>
+#include <vlibmemory/api.h>
+
+#include <vnet/interface.h>
+#include <vnet/api_errno.h>
+#include <vnet/lisp-cp/control.h>
+#include <vnet/lisp-gpe/lisp_gpe.h>
+
+#include <vnet/vnet_msg_enum.h>
+
+#define vl_typedefs /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <vnet/vnet_all_api_h.h>
+#undef vl_printfun
+
+#include <vlibapi/api_helper_macros.h>
+
+#define foreach_vpe_api_msg \
+_(LISP_ADD_DEL_LOCATOR_SET, lisp_add_del_locator_set) \
+_(LISP_ADD_DEL_LOCATOR, lisp_add_del_locator) \
+_(LISP_ADD_DEL_LOCAL_EID, lisp_add_del_local_eid) \
+_(LISP_ADD_DEL_MAP_RESOLVER, lisp_add_del_map_resolver) \
+_(LISP_ADD_DEL_MAP_SERVER, lisp_add_del_map_server) \
+_(LISP_ENABLE_DISABLE, lisp_enable_disable) \
+_(LISP_RLOC_PROBE_ENABLE_DISABLE, lisp_rloc_probe_enable_disable) \
+_(LISP_MAP_REGISTER_ENABLE_DISABLE, lisp_map_register_enable_disable) \
+_(LISP_ADD_DEL_REMOTE_MAPPING, lisp_add_del_remote_mapping) \
+_(LISP_ADD_DEL_ADJACENCY, lisp_add_del_adjacency) \
+_(LISP_PITR_SET_LOCATOR_SET, lisp_pitr_set_locator_set) \
+_(LISP_MAP_REQUEST_MODE, lisp_map_request_mode) \
+_(LISP_EID_TABLE_ADD_DEL_MAP, lisp_eid_table_add_del_map) \
+_(LISP_LOCATOR_SET_DUMP, lisp_locator_set_dump) \
+_(LISP_LOCATOR_DUMP, lisp_locator_dump) \
+_(LISP_EID_TABLE_DUMP, lisp_eid_table_dump) \
+_(LISP_MAP_RESOLVER_DUMP, lisp_map_resolver_dump) \
+_(LISP_MAP_SERVER_DUMP, lisp_map_server_dump) \
+_(LISP_EID_TABLE_MAP_DUMP, lisp_eid_table_map_dump) \
+_(LISP_EID_TABLE_VNI_DUMP, lisp_eid_table_vni_dump) \
+_(LISP_ADJACENCIES_GET, lisp_adjacencies_get) \
+_(SHOW_LISP_RLOC_PROBE_STATE, show_lisp_rloc_probe_state) \
+_(SHOW_LISP_MAP_REGISTER_STATE, show_lisp_map_register_state) \
+_(SHOW_LISP_STATUS, show_lisp_status) \
+_(LISP_ADD_DEL_MAP_REQUEST_ITR_RLOCS, \
+ lisp_add_del_map_request_itr_rlocs) \
+_(LISP_GET_MAP_REQUEST_ITR_RLOCS, lisp_get_map_request_itr_rlocs) \
+_(SHOW_LISP_PITR, show_lisp_pitr) \
+_(SHOW_LISP_MAP_REQUEST_MODE, show_lisp_map_request_mode) \
+
+/** Used for transferring locators via VPP API */
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 is_ip4; /**< is locator an IPv4 address */
+ u8 priority; /**< locator priority */
+ u8 weight; /**< locator weight */
+ u8 addr[16]; /**< IPv4/IPv6 address */
+}) rloc_t;
+/* *INDENT-ON* */
+
+/** Used for transferring locators via VPP API */
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u32 sw_if_index; /**< locator sw_if_index */
+ u8 priority; /**< locator priority */
+ u8 weight; /**< locator weight */
+}) ls_locator_t;
+/* *INDENT-ON* */
+
+static locator_t *
+unformat_lisp_locs (void *rmt_locs, u32 rloc_num)
+{
+ u32 i;
+ locator_t *locs = 0, loc;
+ rloc_t *r;
+
+ for (i = 0; i < rloc_num; i++)
+ {
+ /* remote locators */
+ r = &((rloc_t *) rmt_locs)[i];
+ memset (&loc, 0, sizeof (loc));
+ gid_address_ip_set (&loc.address, &r->addr, r->is_ip4 ? IP4 : IP6);
+
+ loc.priority = r->priority;
+ loc.weight = r->weight;
+
+ vec_add1 (locs, loc);
+ }
+ return locs;
+}
+
+static void
+vl_api_lisp_add_del_locator_set_t_handler (vl_api_lisp_add_del_locator_set_t *
+ mp)
+{
+ vl_api_lisp_add_del_locator_set_reply_t *rmp;
+ int rv = 0;
+ vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
+ locator_t locator;
+ ls_locator_t *ls_loc;
+ u32 ls_index = ~0, locator_num;
+ u8 *locator_name = NULL;
+ int i;
+
+ memset (a, 0, sizeof (a[0]));
+
+ locator_name = format (0, "%s", mp->locator_set_name);
+
+ a->name = locator_name;
+ a->is_add = mp->is_add;
+ a->local = 1;
+ locator_num = clib_net_to_host_u32 (mp->locator_num);
+
+ memset (&locator, 0, sizeof (locator));
+ for (i = 0; i < locator_num; i++)
+ {
+ ls_loc = &((ls_locator_t *) mp->locators)[i];
+ VALIDATE_SW_IF_INDEX (ls_loc);
+
+ locator.sw_if_index = htonl (ls_loc->sw_if_index);
+ locator.priority = ls_loc->priority;
+ locator.weight = ls_loc->weight;
+ locator.local = 1;
+ vec_add1 (a->locators, locator);
+ }
+
+ rv = vnet_lisp_add_del_locator_set (a, &ls_index);
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ vec_free (locator_name);
+ vec_free (a->locators);
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_LISP_ADD_DEL_LOCATOR_SET_REPLY,
+ ({
+ rmp->ls_index = clib_host_to_net_u32 (ls_index);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_lisp_add_del_locator_t_handler (vl_api_lisp_add_del_locator_t * mp)
+{
+ vl_api_lisp_add_del_locator_reply_t *rmp;
+ int rv = 0;
+ locator_t locator, *locators = NULL;
+ vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
+ u32 ls_index = ~0;
+ u8 *locator_name = NULL;
+
+ memset (&locator, 0, sizeof (locator));
+ memset (a, 0, sizeof (a[0]));
+
+ locator.sw_if_index = ntohl (mp->sw_if_index);
+ locator.priority = mp->priority;
+ locator.weight = mp->weight;
+ locator.local = 1;
+ vec_add1 (locators, locator);
+
+ locator_name = format (0, "%s", mp->locator_set_name);
+
+ a->name = locator_name;
+ a->locators = locators;
+ a->is_add = mp->is_add;
+ a->local = 1;
+
+ rv = vnet_lisp_add_del_locator (a, NULL, &ls_index);
+
+ vec_free (locators);
+ vec_free (locator_name);
+
+ REPLY_MACRO (VL_API_LISP_ADD_DEL_LOCATOR_REPLY);
+}
+
+static int
+unformat_lisp_eid_api (gid_address_t * dst, u32 vni, u8 type, void *src,
+ u8 len)
+{
+ switch (type)
+ {
+ case 0: /* ipv4 */
+ gid_address_type (dst) = GID_ADDR_IP_PREFIX;
+ gid_address_ip_set (dst, src, IP4);
+ gid_address_ippref_len (dst) = len;
+ ip_prefix_normalize (&gid_address_ippref (dst));
+ break;
+ case 1: /* ipv6 */
+ gid_address_type (dst) = GID_ADDR_IP_PREFIX;
+ gid_address_ip_set (dst, src, IP6);
+ gid_address_ippref_len (dst) = len;
+ ip_prefix_normalize (&gid_address_ippref (dst));
+ break;
+ case 2: /* l2 mac */
+ gid_address_type (dst) = GID_ADDR_MAC;
+ clib_memcpy (&gid_address_mac (dst), src, 6);
+ break;
+ default:
+ /* unknown type */
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ gid_address_vni (dst) = vni;
+
+ return 0;
+}
+
+static void
+vl_api_lisp_add_del_local_eid_t_handler (vl_api_lisp_add_del_local_eid_t * mp)
+{
+ vl_api_lisp_add_del_local_eid_reply_t *rmp;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ int rv = 0;
+ gid_address_t _eid, *eid = &_eid;
+ uword *p = NULL;
+ u32 locator_set_index = ~0, map_index = ~0;
+ vnet_lisp_add_del_mapping_args_t _a, *a = &_a;
+ u8 *name = NULL, *key = NULL;
+ memset (a, 0, sizeof (a[0]));
+ memset (eid, 0, sizeof (eid[0]));
+
+ rv = unformat_lisp_eid_api (eid, clib_net_to_host_u32 (mp->vni),
+ mp->eid_type, mp->eid, mp->prefix_len);
+ if (rv)
+ goto out;
+
+ name = format (0, "%s", mp->locator_set_name);
+ p = hash_get_mem (lcm->locator_set_index_by_name, name);
+ if (!p)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto out;
+ }
+ locator_set_index = p[0];
+
+ if (*mp->key)
+ key = format (0, "%s", mp->key);
+
+ /* XXX treat batch configuration */
+ a->is_add = mp->is_add;
+ gid_address_copy (&a->eid, eid);
+ a->locator_set_index = locator_set_index;
+ a->local = 1;
+ a->key = key;
+ a->key_id = clib_net_to_host_u16 (mp->key_id);
+
+ rv = vnet_lisp_add_del_local_mapping (a, &map_index);
+
+out:
+ vec_free (name);
+ vec_free (key);
+ gid_address_free (&a->eid);
+
+ REPLY_MACRO (VL_API_LISP_ADD_DEL_LOCAL_EID_REPLY);
+}
+
+static void
+ vl_api_lisp_eid_table_add_del_map_t_handler
+ (vl_api_lisp_eid_table_add_del_map_t * mp)
+{
+ vl_api_lisp_eid_table_add_del_map_reply_t *rmp;
+ int rv = 0;
+ rv = vnet_lisp_eid_table_map (clib_net_to_host_u32 (mp->vni),
+ clib_net_to_host_u32 (mp->dp_table),
+ mp->is_l2, mp->is_add);
+REPLY_MACRO (VL_API_LISP_EID_TABLE_ADD_DEL_MAP_REPLY)}
+
+static void
+vl_api_lisp_add_del_map_server_t_handler (vl_api_lisp_add_del_map_server_t
+ * mp)
+{
+ vl_api_lisp_add_del_map_server_reply_t *rmp;
+ int rv = 0;
+ ip_address_t addr;
+
+ memset (&addr, 0, sizeof (addr));
+
+ ip_address_set (&addr, mp->ip_address, mp->is_ipv6 ? IP6 : IP4);
+ rv = vnet_lisp_add_del_map_server (&addr, mp->is_add);
+
+ REPLY_MACRO (VL_API_LISP_ADD_DEL_MAP_SERVER_REPLY);
+}
+
+static void
+vl_api_lisp_add_del_map_resolver_t_handler (vl_api_lisp_add_del_map_resolver_t
+ * mp)
+{
+ vl_api_lisp_add_del_map_resolver_reply_t *rmp;
+ int rv = 0;
+ vnet_lisp_add_del_map_resolver_args_t _a, *a = &_a;
+
+ memset (a, 0, sizeof (a[0]));
+
+ a->is_add = mp->is_add;
+ ip_address_set (&a->address, mp->ip_address, mp->is_ipv6 ? IP6 : IP4);
+
+ rv = vnet_lisp_add_del_map_resolver (a);
+
+ REPLY_MACRO (VL_API_LISP_ADD_DEL_MAP_RESOLVER_REPLY);
+}
+
+static void
+ vl_api_lisp_map_register_enable_disable_t_handler
+ (vl_api_lisp_map_register_enable_disable_t * mp)
+{
+ vl_api_lisp_map_register_enable_disable_reply_t *rmp;
+ int rv = 0;
+
+ vnet_lisp_map_register_enable_disable (mp->is_enabled);
+ REPLY_MACRO (VL_API_LISP_ENABLE_DISABLE_REPLY);
+}
+
+static void
+ vl_api_lisp_rloc_probe_enable_disable_t_handler
+ (vl_api_lisp_rloc_probe_enable_disable_t * mp)
+{
+ vl_api_lisp_rloc_probe_enable_disable_reply_t *rmp;
+ int rv = 0;
+
+ vnet_lisp_rloc_probe_enable_disable (mp->is_enabled);
+ REPLY_MACRO (VL_API_LISP_ENABLE_DISABLE_REPLY);
+}
+
+static void
+vl_api_lisp_enable_disable_t_handler (vl_api_lisp_enable_disable_t * mp)
+{
+ vl_api_lisp_enable_disable_reply_t *rmp;
+ int rv = 0;
+
+ vnet_lisp_enable_disable (mp->is_en);
+ REPLY_MACRO (VL_API_LISP_ENABLE_DISABLE_REPLY);
+}
+
+static void
+ vl_api_show_lisp_map_request_mode_t_handler
+ (vl_api_show_lisp_map_request_mode_t * mp)
+{
+ int rv = 0;
+ vl_api_show_lisp_map_request_mode_reply_t *rmp;
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_SHOW_LISP_MAP_REQUEST_MODE_REPLY,
+ ({
+ rmp->mode = vnet_lisp_get_map_request_mode ();
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_lisp_map_request_mode_t_handler (vl_api_lisp_map_request_mode_t * mp)
+{
+ vl_api_lisp_map_request_mode_reply_t *rmp;
+ int rv = 0;
+
+ rv = vnet_lisp_set_map_request_mode (mp->mode);
+
+ REPLY_MACRO (VL_API_LISP_MAP_REQUEST_MODE_REPLY);
+}
+
+static void
+vl_api_lisp_pitr_set_locator_set_t_handler (vl_api_lisp_pitr_set_locator_set_t
+ * mp)
+{
+ vl_api_lisp_pitr_set_locator_set_reply_t *rmp;
+ int rv = 0;
+ u8 *ls_name = 0;
+
+ ls_name = format (0, "%s", mp->ls_name);
+ rv = vnet_lisp_pitr_set_locator_set (ls_name, mp->is_add);
+ vec_free (ls_name);
+
+ REPLY_MACRO (VL_API_LISP_PITR_SET_LOCATOR_SET_REPLY);
+}
+
+static void
+ vl_api_lisp_add_del_map_request_itr_rlocs_t_handler
+ (vl_api_lisp_add_del_map_request_itr_rlocs_t * mp)
+{
+ vl_api_lisp_add_del_map_request_itr_rlocs_reply_t *rmp;
+ int rv = 0;
+ u8 *locator_set_name = NULL;
+ vnet_lisp_add_del_mreq_itr_rloc_args_t _a, *a = &_a;
+
+ locator_set_name = format (0, "%s", mp->locator_set_name);
+
+ a->is_add = mp->is_add;
+ a->locator_set_name = locator_set_name;
+
+ rv = vnet_lisp_add_del_mreq_itr_rlocs (a);
+
+ vec_free (locator_set_name);
+
+ REPLY_MACRO (VL_API_LISP_ADD_DEL_MAP_REQUEST_ITR_RLOCS_REPLY);
+}
+
+static void
+ vl_api_lisp_add_del_remote_mapping_t_handler
+ (vl_api_lisp_add_del_remote_mapping_t * mp)
+{
+ locator_t *rlocs = 0;
+ vl_api_lisp_add_del_remote_mapping_reply_t *rmp;
+ int rv = 0;
+ gid_address_t _eid, *eid = &_eid;
+ u32 rloc_num = clib_net_to_host_u32 (mp->rloc_num);
+
+ memset (eid, 0, sizeof (eid[0]));
+
+ rv = unformat_lisp_eid_api (eid, clib_net_to_host_u32 (mp->vni),
+ mp->eid_type, mp->eid, mp->eid_len);
+ if (rv)
+ goto send_reply;
+
+ rlocs = unformat_lisp_locs (mp->rlocs, rloc_num);
+
+ if (!mp->is_add)
+ {
+ vnet_lisp_add_del_adjacency_args_t _a, *a = &_a;
+ gid_address_copy (&a->reid, eid);
+ a->is_add = 0;
+ rv = vnet_lisp_add_del_adjacency (a);
+ if (rv)
+ {
+ goto out;
+ }
+ }
+
+ /* NOTE: for now this works as a static remote mapping, i.e.,
+ * not authoritative and ttl infinite. */
+ rv = vnet_lisp_add_del_mapping (eid, rlocs, mp->action, 0, ~0,
+ mp->is_add, 1 /* is_static */ , 0);
+
+ if (mp->del_all)
+ vnet_lisp_clear_all_remote_adjacencies ();
+
+out:
+ vec_free (rlocs);
+send_reply:
+ REPLY_MACRO (VL_API_LISP_ADD_DEL_REMOTE_MAPPING_REPLY);
+}
+
+static void
+vl_api_lisp_add_del_adjacency_t_handler (vl_api_lisp_add_del_adjacency_t * mp)
+{
+ vl_api_lisp_add_del_adjacency_reply_t *rmp;
+ vnet_lisp_add_del_adjacency_args_t _a, *a = &_a;
+
+ int rv = 0;
+ memset (a, 0, sizeof (a[0]));
+
+ rv = unformat_lisp_eid_api (&a->leid, clib_net_to_host_u32 (mp->vni),
+ mp->eid_type, mp->leid, mp->leid_len);
+ rv |= unformat_lisp_eid_api (&a->reid, clib_net_to_host_u32 (mp->vni),
+ mp->eid_type, mp->reid, mp->reid_len);
+
+ if (rv)
+ goto send_reply;
+
+ a->is_add = mp->is_add;
+ rv = vnet_lisp_add_del_adjacency (a);
+
+send_reply:
+ REPLY_MACRO (VL_API_LISP_ADD_DEL_ADJACENCY_REPLY);
+}
+
+static void
+send_lisp_locator_details (lisp_cp_main_t * lcm,
+ locator_t * loc,
+ unix_shared_memory_queue_t * q, u32 context)
+{
+ vl_api_lisp_locator_details_t *rmp;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_LISP_LOCATOR_DETAILS);
+ rmp->context = context;
+
+ rmp->local = loc->local;
+ if (loc->local)
+ {
+ rmp->sw_if_index = ntohl (loc->sw_if_index);
+ }
+ else
+ {
+ rmp->is_ipv6 = gid_address_ip_version (&loc->address);
+ ip_address_copy_addr (rmp->ip_address, &gid_address_ip (&loc->address));
+ }
+ rmp->priority = loc->priority;
+ rmp->weight = loc->weight;
+
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+vl_api_lisp_locator_dump_t_handler (vl_api_lisp_locator_dump_t * mp)
+{
+ u8 *ls_name = 0;
+ unix_shared_memory_queue_t *q = 0;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_set_t *lsit = 0;
+ locator_t *loc = 0;
+ u32 ls_index = ~0, *locit = 0;
+ uword *p = 0;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ if (mp->is_index_set)
+ ls_index = htonl (mp->ls_index);
+ else
+ {
+ /* make sure we get a proper C-string */
+ mp->ls_name[sizeof (mp->ls_name) - 1] = 0;
+ ls_name = format (0, "%s", mp->ls_name);
+ p = hash_get_mem (lcm->locator_set_index_by_name, ls_name);
+ if (!p)
+ goto out;
+ ls_index = p[0];
+ }
+
+ if (pool_is_free_index (lcm->locator_set_pool, ls_index))
+ return;
+
+ lsit = pool_elt_at_index (lcm->locator_set_pool, ls_index);
+
+ vec_foreach (locit, lsit->locator_indices)
+ {
+ loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
+ send_lisp_locator_details (lcm, loc, q, mp->context);
+ };
+out:
+ vec_free (ls_name);
+}
+
+static void
+send_lisp_locator_set_details (lisp_cp_main_t * lcm,
+ locator_set_t * lsit,
+ unix_shared_memory_queue_t * q,
+ u32 context, u32 ls_index)
+{
+ vl_api_lisp_locator_set_details_t *rmp;
+ u8 *str = 0;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_LISP_LOCATOR_SET_DETAILS);
+ rmp->context = context;
+
+ rmp->ls_index = htonl (ls_index);
+ if (lsit->local)
+ {
+ ASSERT (lsit->name != NULL);
+ strncpy ((char *) rmp->ls_name, (char *) lsit->name,
+ vec_len (lsit->name));
+ }
+ else
+ {
+ str = format (0, "<remote-%d>", ls_index);
+ strncpy ((char *) rmp->ls_name, (char *) str, vec_len (str));
+ vec_free (str);
+ }
+
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+vl_api_lisp_locator_set_dump_t_handler (vl_api_lisp_locator_set_dump_t * mp)
+{
+ unix_shared_memory_queue_t *q = NULL;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_set_t *lsit = NULL;
+ u8 filter;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ filter = mp->filter;
+ /* *INDENT-OFF* */
+ pool_foreach (lsit, lcm->locator_set_pool,
+ ({
+ if (filter && !((1 == filter && lsit->local) ||
+ (2 == filter && !lsit->local)))
+ {
+ continue;
+ }
+ send_lisp_locator_set_details (lcm, lsit, q, mp->context,
+ lsit - lcm->locator_set_pool);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+lisp_fid_put_api (u8 * dst, fid_address_t * src, u8 * prefix_length)
+{
+ ASSERT (prefix_length);
+ ip_prefix_t *ippref = &fid_addr_ippref (src);
+
+ switch (fid_addr_type (src))
+ {
+ case FID_ADDR_IP_PREF:
+ if (ip_prefix_version (ippref) == IP4)
+ clib_memcpy (dst, &ip_prefix_v4 (ippref), 4);
+ else
+ clib_memcpy (dst, &ip_prefix_v6 (ippref), 16);
+ prefix_length[0] = ip_prefix_len (ippref);
+ break;
+
+ case FID_ADDR_MAC:
+ prefix_length[0] = 0;
+ clib_memcpy (dst, fid_addr_mac (src), 6);
+ break;
+
+ default:
+ clib_warning ("Unknown FID type %d!", fid_addr_type (src));
+ break;
+ }
+}
+
+static u8
+fid_type_to_api_type (fid_address_t * fid)
+{
+ ip_prefix_t *ippref;
+
+ switch (fid_addr_type (fid))
+ {
+ case FID_ADDR_IP_PREF:
+ ippref = &fid_addr_ippref (fid);
+ if (ip_prefix_version (ippref) == IP4)
+ return 0;
+ else if (ip_prefix_version (ippref) == IP6)
+ return 1;
+ else
+ return ~0;
+
+ case FID_ADDR_MAC:
+ return 2;
+ }
+
+ return ~0;
+}
+
+static void
+send_lisp_eid_table_details (mapping_t * mapit,
+ unix_shared_memory_queue_t * q,
+ u32 context, u8 filter)
+{
+ fid_address_t *fid;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_set_t *ls = 0;
+ vl_api_lisp_eid_table_details_t *rmp = NULL;
+ gid_address_t *gid = NULL;
+ u8 *mac = 0;
+ ip_prefix_t *ip_prefix = NULL;
+
+ switch (filter)
+ {
+ case 0: /* all mappings */
+ break;
+
+ case 1: /* local only */
+ if (!mapit->local)
+ return;
+ break;
+ case 2: /* remote only */
+ if (mapit->local)
+ return;
+ break;
+ default:
+ clib_warning ("Filter error, unknown filter: %d", filter);
+ return;
+ }
+
+ gid = &mapit->eid;
+ ip_prefix = &gid_address_ippref (gid);
+ mac = gid_address_mac (gid);
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_LISP_EID_TABLE_DETAILS);
+
+ ls = pool_elt_at_index (lcm->locator_set_pool, mapit->locator_set_index);
+ if (vec_len (ls->locator_indices) == 0)
+ rmp->locator_set_index = ~0;
+ else
+ rmp->locator_set_index = clib_host_to_net_u32 (mapit->locator_set_index);
+
+ rmp->is_local = mapit->local;
+ rmp->ttl = clib_host_to_net_u32 (mapit->ttl);
+ rmp->action = mapit->action;
+ rmp->authoritative = mapit->authoritative;
+
+ switch (gid_address_type (gid))
+ {
+ case GID_ADDR_SRC_DST:
+ rmp->is_src_dst = 1;
+ fid = &gid_address_sd_src (gid);
+ rmp->eid_type = fid_type_to_api_type (fid);
+ lisp_fid_put_api (rmp->seid, &gid_address_sd_src (gid),
+ &rmp->seid_prefix_len);
+ lisp_fid_put_api (rmp->eid, &gid_address_sd_dst (gid),
+ &rmp->eid_prefix_len);
+ break;
+ case GID_ADDR_IP_PREFIX:
+ rmp->eid_prefix_len = ip_prefix_len (ip_prefix);
+ if (ip_prefix_version (ip_prefix) == IP4)
+ {
+ rmp->eid_type = 0; /* ipv4 type */
+ clib_memcpy (rmp->eid, &ip_prefix_v4 (ip_prefix),
+ sizeof (ip_prefix_v4 (ip_prefix)));
+ }
+ else
+ {
+ rmp->eid_type = 1; /* ipv6 type */
+ clib_memcpy (rmp->eid, &ip_prefix_v6 (ip_prefix),
+ sizeof (ip_prefix_v6 (ip_prefix)));
+ }
+ break;
+ case GID_ADDR_MAC:
+ rmp->eid_type = 2; /* l2 mac type */
+ clib_memcpy (rmp->eid, mac, 6);
+ break;
+ default:
+ ASSERT (0);
+ }
+ rmp->context = context;
+ rmp->vni = clib_host_to_net_u32 (gid_address_vni (gid));
+ rmp->key_id = clib_host_to_net_u16 (mapit->key_id);
+ memcpy (rmp->key, mapit->key, vec_len (mapit->key));
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+vl_api_lisp_eid_table_dump_t_handler (vl_api_lisp_eid_table_dump_t * mp)
+{
+ u32 mi;
+ unix_shared_memory_queue_t *q = NULL;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ mapping_t *mapit = NULL;
+ gid_address_t _eid, *eid = &_eid;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ if (mp->eid_set)
+ {
+ memset (eid, 0, sizeof (*eid));
+
+ unformat_lisp_eid_api (eid, clib_net_to_host_u32 (mp->vni),
+ mp->eid_type, mp->eid, mp->prefix_length);
+
+ mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, eid);
+ if ((u32) ~ 0 == mi)
+ return;
+
+ mapit = pool_elt_at_index (lcm->mapping_pool, mi);
+ send_lisp_eid_table_details (mapit, q, mp->context,
+ 0 /* ignore filter */ );
+ }
+ else
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (mapit, lcm->mapping_pool,
+ ({
+ send_lisp_eid_table_details(mapit, q, mp->context,
+ mp->filter);
+ }));
+ /* *INDENT-ON* */
+ }
+}
+
+static void
+send_lisp_map_server_details (ip_address_t * ip,
+ unix_shared_memory_queue_t * q, u32 context)
+{
+ vl_api_lisp_map_server_details_t *rmp = NULL;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_LISP_MAP_SERVER_DETAILS);
+
+ switch (ip_addr_version (ip))
+ {
+ case IP4:
+ rmp->is_ipv6 = 0;
+ clib_memcpy (rmp->ip_address, &ip_addr_v4 (ip),
+ sizeof (ip_addr_v4 (ip)));
+ break;
+
+ case IP6:
+ rmp->is_ipv6 = 1;
+ clib_memcpy (rmp->ip_address, &ip_addr_v6 (ip),
+ sizeof (ip_addr_v6 (ip)));
+ break;
+
+ default:
+ ASSERT (0);
+ }
+ rmp->context = context;
+
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+vl_api_lisp_map_server_dump_t_handler (vl_api_lisp_map_server_dump_t * mp)
+{
+ unix_shared_memory_queue_t *q = NULL;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ lisp_msmr_t *mr;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ vec_foreach (mr, lcm->map_servers)
+ {
+ send_lisp_map_server_details (&mr->address, q, mp->context);
+ }
+}
+
+static void
+send_lisp_map_resolver_details (ip_address_t * ip,
+ unix_shared_memory_queue_t * q, u32 context)
+{
+ vl_api_lisp_map_resolver_details_t *rmp = NULL;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_LISP_MAP_RESOLVER_DETAILS);
+
+ switch (ip_addr_version (ip))
+ {
+ case IP4:
+ rmp->is_ipv6 = 0;
+ clib_memcpy (rmp->ip_address, &ip_addr_v4 (ip),
+ sizeof (ip_addr_v4 (ip)));
+ break;
+
+ case IP6:
+ rmp->is_ipv6 = 1;
+ clib_memcpy (rmp->ip_address, &ip_addr_v6 (ip),
+ sizeof (ip_addr_v6 (ip)));
+ break;
+
+ default:
+ ASSERT (0);
+ }
+ rmp->context = context;
+
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+vl_api_lisp_map_resolver_dump_t_handler (vl_api_lisp_map_resolver_dump_t * mp)
+{
+ unix_shared_memory_queue_t *q = NULL;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ lisp_msmr_t *mr;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ vec_foreach (mr, lcm->map_resolvers)
+ {
+ send_lisp_map_resolver_details (&mr->address, q, mp->context);
+ }
+}
+
+static void
+send_eid_table_map_pair (hash_pair_t * p,
+ unix_shared_memory_queue_t * q, u32 context)
+{
+ vl_api_lisp_eid_table_map_details_t *rmp = NULL;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_LISP_EID_TABLE_MAP_DETAILS);
+
+ rmp->vni = clib_host_to_net_u32 (p->key);
+ rmp->dp_table = clib_host_to_net_u32 (p->value[0]);
+ rmp->context = context;
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+vl_api_lisp_eid_table_map_dump_t_handler (vl_api_lisp_eid_table_map_dump_t *
+ mp)
+{
+ unix_shared_memory_queue_t *q = NULL;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ hash_pair_t *p;
+ uword *vni_table = 0;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ if (mp->is_l2)
+ {
+ vni_table = lcm->bd_id_by_vni;
+ }
+ else
+ {
+ vni_table = lcm->table_id_by_vni;
+ }
+
+ /* *INDENT-OFF* */
+ hash_foreach_pair (p, vni_table,
+ ({
+ send_eid_table_map_pair (p, q, mp->context);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+send_eid_table_vni (u32 vni, unix_shared_memory_queue_t * q, u32 context)
+{
+ vl_api_lisp_eid_table_vni_details_t *rmp = 0;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_LISP_EID_TABLE_VNI_DETAILS);
+ rmp->context = context;
+ rmp->vni = clib_host_to_net_u32 (vni);
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+lisp_adjacency_copy (vl_api_lisp_adjacency_t * dst, lisp_adjacency_t * adjs)
+{
+ lisp_adjacency_t *adj;
+ vl_api_lisp_adjacency_t a;
+ u32 i, n = vec_len (adjs);
+
+ for (i = 0; i < n; i++)
+ {
+ adj = vec_elt_at_index (adjs, i);
+ memset (&a, 0, sizeof (a));
+
+ switch (gid_address_type (&adj->reid))
+ {
+ case GID_ADDR_IP_PREFIX:
+ a.reid_prefix_len = gid_address_ippref_len (&adj->reid);
+ a.leid_prefix_len = gid_address_ippref_len (&adj->leid);
+ if (gid_address_ip_version (&adj->reid) == IP4)
+ {
+ a.eid_type = 0; /* ipv4 type */
+ clib_memcpy (a.reid, &gid_address_ip (&adj->reid), 4);
+ clib_memcpy (a.leid, &gid_address_ip (&adj->leid), 4);
+ }
+ else
+ {
+ a.eid_type = 1; /* ipv6 type */
+ clib_memcpy (a.reid, &gid_address_ip (&adj->reid), 16);
+ clib_memcpy (a.leid, &gid_address_ip (&adj->leid), 16);
+ }
+ break;
+ case GID_ADDR_MAC:
+ a.eid_type = 2; /* l2 mac type */
+ mac_copy (a.reid, gid_address_mac (&adj->reid));
+ mac_copy (a.leid, gid_address_mac (&adj->leid));
+ break;
+ default:
+ ASSERT (0);
+ }
+ dst[i] = a;
+ }
+}
+
+static void
+ vl_api_show_lisp_rloc_probe_state_t_handler
+ (vl_api_show_lisp_rloc_probe_state_t * mp)
+{
+ vl_api_show_lisp_rloc_probe_state_reply_t *rmp = 0;
+ int rv = 0;
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_SHOW_LISP_RLOC_PROBE_STATE_REPLY,
+ {
+ rmp->is_enabled = vnet_lisp_rloc_probe_state_get ();
+ });
+ /* *INDENT-ON* */
+}
+
+static void
+ vl_api_show_lisp_map_register_state_t_handler
+ (vl_api_show_lisp_map_register_state_t * mp)
+{
+ vl_api_show_lisp_map_register_state_reply_t *rmp = 0;
+ int rv = 0;
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_SHOW_LISP_MAP_REGISTER_STATE_REPLY,
+ {
+ rmp->is_enabled = vnet_lisp_map_register_state_get ();
+ });
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_lisp_adjacencies_get_t_handler (vl_api_lisp_adjacencies_get_t * mp)
+{
+ vl_api_lisp_adjacencies_get_reply_t *rmp = 0;
+ lisp_adjacency_t *adjs = 0;
+ int rv = 0;
+ vl_api_lisp_adjacency_t a;
+ u32 size = ~0;
+ u32 vni = clib_net_to_host_u32 (mp->vni);
+
+ adjs = vnet_lisp_adjacencies_get_by_vni (vni);
+ size = vec_len (adjs) * sizeof (a);
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO4 (VL_API_LISP_ADJACENCIES_GET_REPLY, size,
+ {
+ rmp->count = clib_host_to_net_u32 (vec_len (adjs));
+ lisp_adjacency_copy (rmp->adjacencies, adjs);
+ });
+ /* *INDENT-ON* */
+
+ vec_free (adjs);
+}
+
+static void
+vl_api_lisp_eid_table_vni_dump_t_handler (vl_api_lisp_eid_table_vni_dump_t *
+ mp)
+{
+ hash_pair_t *p;
+ u32 *vnis = 0;
+ unix_shared_memory_queue_t *q = 0;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ /* *INDENT-OFF* */
+ hash_foreach_pair (p, lcm->table_id_by_vni,
+ ({
+ hash_set (vnis, p->key, 0);
+ }));
+
+ hash_foreach_pair (p, lcm->bd_id_by_vni,
+ ({
+ hash_set (vnis, p->key, 0);
+ }));
+
+ hash_foreach_pair (p, vnis,
+ ({
+ send_eid_table_vni (p->key, q, mp->context);
+ }));
+ /* *INDENT-ON* */
+
+ hash_free (vnis);
+}
+
+static void
+vl_api_show_lisp_status_t_handler (vl_api_show_lisp_status_t * mp)
+{
+ unix_shared_memory_queue_t *q = NULL;
+ vl_api_show_lisp_status_reply_t *rmp = NULL;
+ int rv = 0;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_SHOW_LISP_STATUS_REPLY,
+ ({
+ rmp->gpe_status = vnet_lisp_gpe_enable_disable_status ();
+ rmp->feature_status = vnet_lisp_enable_disable_status ();
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+ vl_api_lisp_get_map_request_itr_rlocs_t_handler
+ (vl_api_lisp_get_map_request_itr_rlocs_t * mp)
+{
+ unix_shared_memory_queue_t *q = NULL;
+ vl_api_lisp_get_map_request_itr_rlocs_reply_t *rmp = NULL;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ locator_set_t *loc_set = 0;
+ u8 *tmp_str = 0;
+ int rv = 0;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ if (~0 == lcm->mreq_itr_rlocs)
+ {
+ tmp_str = format (0, " ");
+ }
+ else
+ {
+ loc_set =
+ pool_elt_at_index (lcm->locator_set_pool, lcm->mreq_itr_rlocs);
+ tmp_str = format (0, "%s", loc_set->name);
+ }
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_LISP_GET_MAP_REQUEST_ITR_RLOCS_REPLY,
+ ({
+ strncpy((char *) rmp->locator_set_name, (char *) tmp_str,
+ ARRAY_LEN(rmp->locator_set_name) - 1);
+ }));
+ /* *INDENT-ON* */
+
+ vec_free (tmp_str);
+}
+
+static void
+vl_api_show_lisp_pitr_t_handler (vl_api_show_lisp_pitr_t * mp)
+{
+ unix_shared_memory_queue_t *q = NULL;
+ vl_api_show_lisp_pitr_reply_t *rmp = NULL;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ mapping_t *m;
+ locator_set_t *ls = 0;
+ u8 *tmp_str = 0;
+ int rv = 0;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ if (!lcm->lisp_pitr)
+ {
+ tmp_str = format (0, "N/A");
+ }
+ else
+ {
+ m = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+ if (~0 != m->locator_set_index)
+ {
+ ls =
+ pool_elt_at_index (lcm->locator_set_pool, m->locator_set_index);
+ tmp_str = format (0, "%s", ls->name);
+ }
+ else
+ {
+ tmp_str = format (0, "N/A");
+ }
+ }
+ vec_add1 (tmp_str, 0);
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_SHOW_LISP_PITR_REPLY,
+ ({
+ rmp->status = lcm->lisp_pitr;
+ strncpy((char *) rmp->locator_set_name, (char *) tmp_str,
+ ARRAY_LEN(rmp->locator_set_name) - 1);
+ }));
+ /* *INDENT-ON* */
+}
+
+/*
+ * lisp_api_hookup
+ * Add vpe's API message handlers to the table.
+ * vlib has alread mapped shared memory and
+ * added the client registration handlers.
+ * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
+ */
+#define vl_msg_name_crc_list
+#include <vnet/vnet_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (api_main_t * am)
+{
+#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+ foreach_vl_msg_name_crc_lisp;
+#undef _
+}
+
+static clib_error_t *
+lisp_api_hookup (vlib_main_t * vm)
+{
+ api_main_t *am = &api_main;
+
+#define _(N,n) \
+ vl_msg_api_set_handlers(VL_API_##N, #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_msg;
+#undef _
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (am);
+
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (lisp_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/lisp_cp_dpo.c b/src/vnet/lisp-cp/lisp_cp_dpo.c
new file mode 100644
index 00000000000..185b07a2c1b
--- /dev/null
+++ b/src/vnet/lisp-cp/lisp_cp_dpo.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/dpo/dpo.h>
+#include <vnet/lisp-gpe/lisp_gpe.h>
+#include <vnet/lisp-cp/control.h>
+
+/**
+ * The static array of LISP punt DPOs
+ */
+static dpo_id_t lisp_cp_dpos[DPO_PROTO_NUM];
+
+const dpo_id_t *
+lisp_cp_dpo_get (dpo_proto_t proto)
+{
+ /*
+ * there are only two instances of this DPO type.
+ * we can use the protocol as the index
+ */
+ return (&lisp_cp_dpos[proto]);
+}
+
+static u8 *
+format_lisp_cp_dpo (u8 * s, va_list * args)
+{
+ index_t index = va_arg (*args, index_t);
+ CLIB_UNUSED (u32 indent) = va_arg (*args, u32);
+
+ return (format (s, "lisp-cp-punt-%U", format_dpo_proto, index));
+}
+
+static void
+lisp_cp_dpo_lock (dpo_id_t * dpo)
+{
+}
+
+static void
+lisp_cp_dpo_unlock (dpo_id_t * dpo)
+{
+}
+
+const static dpo_vft_t lisp_cp_vft = {
+ .dv_lock = lisp_cp_dpo_lock,
+ .dv_unlock = lisp_cp_dpo_unlock,
+ .dv_format = format_lisp_cp_dpo,
+};
+
+/**
+ * @brief The per-protocol VLIB graph nodes that are assigned to a LISP-CP
+ * object.
+ *
+ * this means that these graph nodes are ones from which a LISP-CP is the
+ * parent object in the DPO-graph.
+ */
+const static char *const lisp_cp_ip4_nodes[] = {
+ "lisp-cp-lookup-ip4",
+ NULL,
+};
+
+const static char *const lisp_cp_ip6_nodes[] = {
+ "lisp-cp-lookup-ip6",
+ NULL,
+};
+
+const static char *const lisp_cp_ethernet_nodes[] = {
+ "lisp-cp-lookup-l2",
+ NULL,
+};
+
+
+const static char *const *const lisp_cp_nodes[DPO_PROTO_NUM] = {
+ [DPO_PROTO_IP4] = lisp_cp_ip4_nodes,
+ [DPO_PROTO_IP6] = lisp_cp_ip6_nodes,
+ [DPO_PROTO_ETHERNET] = lisp_cp_ethernet_nodes,
+ [DPO_PROTO_MPLS] = NULL,
+};
+
+clib_error_t *
+lisp_cp_dpo_module_init (vlib_main_t * vm)
+{
+ dpo_proto_t dproto;
+
+ /*
+ * there are no exit arcs from the LIS-CP VLIB node, so we
+ * pass NULL as said node array.
+ */
+ dpo_register (DPO_LISP_CP, &lisp_cp_vft, lisp_cp_nodes);
+
+ FOR_EACH_DPO_PROTO (dproto)
+ {
+ dpo_set (&lisp_cp_dpos[dproto], DPO_LISP_CP, dproto, dproto);
+ }
+
+ return (NULL);
+}
+
+VLIB_INIT_FUNCTION (lisp_cp_dpo_module_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/lisp_cp_dpo.h b/src/vnet/lisp-cp/lisp_cp_dpo.h
new file mode 100644
index 00000000000..f0f3fae81a4
--- /dev/null
+++ b/src/vnet/lisp-cp/lisp_cp_dpo.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __LISP_CP_DPO_H__
+#define __LISP_CP_DPO_H__
+
+#include <vnet/vnet.h>
+#include <vnet/dpo/dpo.h>
+
+/**
+ * A representation of punt to the LISP control plane.
+ */
+typedef struct lisp_cp_dpo_t
+{
+ /**
+ * The transport payload type.
+ */
+ dpo_proto_t lcd_proto;
+} lisp_cp_dpo_t;
+
+extern const dpo_id_t *lisp_cp_dpo_get (dpo_proto_t proto);
+
+extern void lisp_cp_dpo_module_init (void);
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/lisp_cp_messages.h b/src/vnet/lisp-cp/lisp_cp_messages.h
new file mode 100644
index 00000000000..278f60e1726
--- /dev/null
+++ b/src/vnet/lisp-cp/lisp_cp_messages.h
@@ -0,0 +1,613 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VNET_LISP_GPE_LISP_CP_MESSAGES_H_
+#define VNET_LISP_GPE_LISP_CP_MESSAGES_H_
+
+#include <vnet/vnet.h>
+
+#define MAX_IP_PKT_LEN 4096
+#define MAX_IP_HDR_LEN 40 /* without options or IPv6 hdr extensions */
+#define UDP_HDR_LEN 8
+#define LISP_DATA_HDR_LEN 8
+#define LISP_ECM_HDR_LEN 4
+#define MAX_LISP_MSG_ENCAP_LEN 2*(MAX_IP_HDR_LEN + UDP_HDR_LEN)+ LISP_ECM_HDR_LEN
+#define MAX_LISP_PKT_ENCAP_LEN MAX_IP_HDR_LEN + UDP_HDR_LEN + LISP_DATA_HDR_LEN
+
+#define LISP_CONTROL_PORT 4342
+
+/*
+ * EID RECORD FIELD
+ */
+
+/*
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * / | Reserved | EID mask-len | EID-prefix-AFI |
+ * Rec +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * \ | EID-prefix ... |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+
+typedef struct _eid_prefix_record_hdr
+{
+ u8 reserved;
+ u8 eid_prefix_length;
+} __attribute__ ((__packed__)) eid_record_hdr_t;
+
+void eid_rec_hdr_init (eid_record_hdr_t * ptr);
+
+#define EID_REC_CAST(h_) ((eid_record_hdr_t *)(h_))
+#define EID_REC_MLEN(h_) EID_REC_CAST((h_))->eid_prefix_length
+#define EID_REC_ADDR(h) (u8 *)(h) + sizeof(eid_record_hdr_t)
+
+/* LISP Types */
+typedef enum
+{
+ NOT_LISP_MSG,
+ LISP_MAP_REQUEST = 1,
+ LISP_MAP_REPLY,
+ LISP_MAP_REGISTER,
+ LISP_MAP_NOTIFY,
+ LISP_INFO_NAT = 7,
+ LISP_ENCAP_CONTROL_TYPE = 8,
+ LISP_MSG_TYPES
+} lisp_msg_type_e;
+
+/*
+ * ENCAPSULATED CONTROL MESSAGE
+ */
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * / | IPv4 or IPv6 Header |
+ * OH | (uses RLOC addresses) |
+ * \ | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * / | Source Port = xxxx | Dest Port = 4342 |
+ * UDP +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * \ | UDP Length | UDP Checksum |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * LH |Type=8 |S| Reserved |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * / | IPv4 or IPv6 Header |
+ * IH | (uses RLOC or EID addresses) |
+ * \ | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * / | Source Port = xxxx | Dest Port = yyyy |
+ * UDP +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * \ | UDP Length | UDP Checksum |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * LCM | LISP Control Message |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+
+/*
+ * Encapsulated control message header. This is followed by the IP
+ * header of the encapsulated LISP control message.
+ *
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |Type=8 |S| Reserved |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+typedef struct
+{
+#if CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 reserved:3;
+ u8 s_bit:1;
+ u8 type:4;
+#else
+ u8 type:4;
+ u8 s_bit:1;
+ u8 reserved:3;
+#endif
+ u8 reserved2[3];
+} ecm_hdr_t;
+
+char *ecm_hdr_to_char (ecm_hdr_t * h);
+
+#define ECM_TYPE(h_) ((ecm_hdr_t *)(h_))->type
+
+/*
+ * MAP-REQUEST MESSAGE
+ */
+
+/*
+ * Map-Request Message Format
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |Type=1 |A|M|P|S|p|s| Reserved | IRC | Record Count |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Nonce . . . |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | . . . Nonce |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Source-EID-AFI | Source EID Address ... |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | ITR-RLOC-AFI 1 | ITR-RLOC Address 1 ... |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | ... |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | ITR-RLOC-AFI n | ITR-RLOC Address n ... |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * / | Reserved | EID mask-len | EID-prefix-AFI |
+ * Rec +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * \ | EID-prefix ... |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Map-Reply Record ... |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Mapping Protocol Data |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+
+/*
+ * Fixed size portion of the map request. Variable size source EID
+ * address, originating ITR RLOC AFIs and addresses and then map
+ * request records follow.
+ */
+typedef struct
+{
+#if CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 solicit_map_request:1;
+ u8 rloc_probe:1;
+ u8 map_data_present:1;
+ u8 authoritative:1;
+ u8 type:4;
+#else
+ u8 type:4;
+ u8 authoritative:1;
+ u8 map_data_present:1;
+ u8 rloc_probe:1;
+ u8 solicit_map_request:1;
+#endif
+#if CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 reserved1:6;
+ u8 smr_invoked:1;
+ u8 pitr:1;
+#else
+ u8 pitr:1;
+ u8 smr_invoked:1;
+ u8 reserved1:6;
+#endif
+#if CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 additional_itr_rloc_count:5;
+ u8 reserved2:3;
+#else
+ u8 reserved2:3;
+ u8 additional_itr_rloc_count:5;
+#endif
+ u8 record_count;
+ u64 nonce;
+} __attribute__ ((__packed__)) map_request_hdr_t;
+
+void map_request_hdr_init (void *ptr);
+char *map_request_hdr_to_char (map_request_hdr_t * h);
+
+#define MREQ_TYPE(h_) (h_)->type
+#define MREQ_HDR_CAST(h_) ((map_request_hdr_t *)(h_))
+#define MREQ_REC_COUNT(h_) (MREQ_HDR_CAST(h_))->record_count
+#define MREQ_RLOC_PROBE(h_) (MREQ_HDR_CAST(h_))->rloc_probe
+#define MREQ_ITR_RLOC_COUNT(h_) (MREQ_HDR_CAST(h_))->additional_itr_rloc_count
+#define MREQ_NONCE(h_) (MREQ_HDR_CAST(h_))->nonce
+#define MREQ_SMR(h_) (MREQ_HDR_CAST(h_))->solicit_map_request
+#define MREQ_SMR_INVOKED(h_) (MREQ_HDR_CAST(h_))->smr_invoked
+
+/*
+ * MAP-REPLY MESSAGE
+ */
+
+ /*
+ * Map-Reply Message Format
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |Type=2 |P|E|S| Reserved | Record Count |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Nonce . . . |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | . . . Nonce |
+ * +-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | | Record TTL |
+ * | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * R | Locator Count | EID mask-len | ACT |A| Reserved |
+ * e +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * c | Rsvd | Map-Version Number | EID-AFI |
+ * o +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * r | EID-prefix |
+ * d +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | /| Priority | Weight | M Priority | M Weight |
+ * | L +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | o | Unused Flags |L|p|R| Loc-AFI |
+ * | c +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | \| Locator |
+ * +-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Mapping Protocol Data |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+ /*
+ * Fixed size portion of the map reply.
+ */
+typedef struct
+{
+#if CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 reserved1:1;
+ u8 security:1;
+ u8 echo_nonce:1;
+ u8 rloc_probe:1;
+ u8 type:4;
+#else
+ u8 type:4;
+ u8 rloc_probe:1;
+ u8 echo_nonce:1;
+ u8 security:1;
+ u8 reserved1:1;
+#endif
+ u8 reserved2;
+ u8 reserved3;
+ u8 record_count;
+ u64 nonce;
+} __attribute__ ((__packed__)) map_reply_hdr_t;
+
+void map_reply_hdr_init (void *ptr);
+char *map_reply_hdr_to_char (map_reply_hdr_t * h);
+
+#define MREP_TYPE(h_) MREP_HDR_CAST(h_)->type
+#define MREP_HDR_CAST(h_) ((map_reply_hdr_t *)(h_))
+#define MREP_REC_COUNT(h_) MREP_HDR_CAST(h_)->record_count
+#define MREP_RLOC_PROBE(h_) MREP_HDR_CAST(h_)->rloc_probe
+#define MREP_NONCE(h_) MREP_HDR_CAST(h_)->nonce
+
+
+always_inline lisp_msg_type_e
+lisp_msg_type (void *b)
+{
+ ecm_hdr_t *hdr = b;
+ if (!hdr)
+ {
+ return (NOT_LISP_MSG);
+ }
+ return (hdr->type);
+}
+
+always_inline void
+increment_record_count (void *b)
+{
+ switch (lisp_msg_type (b))
+ {
+ case LISP_MAP_REQUEST:
+ MREQ_REC_COUNT (b) += 1;
+ break;
+ case LISP_MAP_REPLY:
+ MREP_REC_COUNT (b) += 1;
+ break;
+ default:
+ return;
+ }
+}
+
+
+/*
+ * LOCATOR FIELD
+ *
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * /| Priority | Weight | M Priority | M Weight |
+ * L +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * o | Unused Flags |L|p|R| Loc-AFI |
+ * c +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * \| Locator |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *
+ * Fixed portion of the mapping record locator. Variable length
+ * locator address follows.
+ */
+typedef struct _locator_hdr
+{
+ u8 priority;
+ u8 weight;
+ u8 mpriority;
+ u8 mweight;
+ u8 unused1;
+#ifdef CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 reachable:1;
+ u8 probed:1;
+ u8 local:1;
+ u8 unused2:5;
+#else
+ u8 unused2:5;
+ u8 local:1;
+ u8 probed:1;
+ u8 reachable:1;
+#endif
+} __attribute__ ((__packed__)) locator_hdr_t;
+
+#define LOC_CAST(h_) ((locator_hdr_t *)(h_))
+#define LOC_PROBED(h_) LOC_CAST(h_)->probed
+#define LOC_PRIORITY(h_) LOC_CAST(h_)->priority
+#define LOC_WEIGHT(h_) LOC_CAST(h_)->weight
+#define LOC_MPRIORITY(h_) LOC_CAST(h_)->mpriority
+#define LOC_MWEIGHT(h_) LOC_CAST(h_)->mweight
+#define LOC_REACHABLE(h_) LOC_CAST(h_)->reachable
+#define LOC_LOCAL(h_) LOC_CAST(h_)->local
+#define LOC_ADDR(h_) ((u8 *)(h_) + sizeof(locator_hdr_t))
+
+/*
+ * MAPPING RECORD
+ *
+ * Mapping record used in all LISP control messages.
+ *
+ * +---> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | | Record TTL |
+ * | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * R | Locator Count | EID mask-len | ACT |A| Reserved |
+ * e +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * c | Rsvd | Map-Version Number | EID-AFI |
+ * o +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * r | EID-prefix |
+ * d +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | /| Priority | Weight | M Priority | M Weight |
+ * | / +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Loc | Unused Flags |L|p|R| Loc-AFI |
+ * | \ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | \| Locator |
+ * +---> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+/*
+ * Fixed portion of the mapping record. EID prefix address and
+ * locators follow.
+ */
+
+typedef struct _mapping_record_hdr_t
+{
+ u32 ttl;
+ u8 locator_count;
+ u8 eid_prefix_length;
+#ifdef CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 reserved1:4;
+ u8 authoritative:1;
+ u8 action:3;
+#else
+ u8 action:3;
+ u8 authoritative:1;
+ u8 reserved1:4;
+#endif
+ u8 reserved2;
+#ifdef CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 version_hi:4;
+ u8 reserved3:4;
+#else
+ u8 reserved3:4;
+ u8 version_hi:4;
+#endif
+ u8 version_low;
+} __attribute__ ((__packed__)) mapping_record_hdr_t;
+
+void mapping_record_init_hdr (mapping_record_hdr_t * h);
+
+#define MAP_REC_EID_PLEN(h) ((mapping_record_hdr_t *)(h))->eid_prefix_length
+#define MAP_REC_LOC_COUNT(h) ((mapping_record_hdr_t *)(h))->locator_count
+#define MAP_REC_ACTION(h) ((mapping_record_hdr_t *)(h))->action
+#define MAP_REC_AUTH(h) ((mapping_record_hdr_t *)(h))->authoritative
+#define MAP_REC_TTL(h) ((mapping_record_hdr_t *)(h))->ttl
+#define MAP_REC_EID(h) (u8 *)(h)+sizeof(mapping_record_hdr_t)
+#define MAP_REC_VERSION(h) (h)->version_hi << 8 | (h)->version_low
+
+typedef enum
+{
+ LISP_NO_ACTION,
+ LISP_FORWARD_NATIVE,
+ LISP_SEND_MAP_REQUEST,
+ LISP_DROP
+} lisp_action_e;
+
+typedef enum lisp_authoritative
+{
+ A_NO_AUTHORITATIVE = 0,
+ A_AUTHORITATIVE
+} lisp_authoritative_e;
+
+/*
+ * LISP Canonical Address Format Encodings
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | AFI = 16387 | Rsvd1 | Flags |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Type | Rsvd2 | Length |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+typedef struct _lcaf_hdr_t
+{
+ u8 reserved1;
+ u8 flags;
+ u8 type;
+ u8 reserved2;
+ u16 len;
+} __attribute__ ((__packed__)) lcaf_hdr_t;
+
+#define LCAF_TYPE(h) ((lcaf_hdr_t *)(h))->type
+#define LCAF_LENGTH(h) ((lcaf_hdr_t *)(h))->len
+#define LCAF_RES2(h) ((lcaf_hdr_t *)(h))->reserved2
+#define LCAF_FLAGS(h) ((lcaf_hdr_t *)(h))->flags
+#define LCAF_PAYLOAD(h) (u8 *)(h)+sizeof(lcaf_hdr_t)
+
+/*
+ * Source/Dest Key Canonical Address Format:
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Reserved | Source-ML | Dest-ML |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+typedef struct _lcaf_src_dst_hdr_t
+{
+ u16 reserved;
+ u8 src_mask_len;
+ u8 dst_mask_len;
+} __attribute__ ((__packed__)) lcaf_src_dst_hdr_t;
+
+#define LCAF_SD_SRC_ML(_h) (_h)->src_mask_len
+#define LCAF_SD_DST_ML(_h) (_h)->dst_mask_len
+
+/*
+ * The Map-Register message format is:
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |Type=3 |P| Reserved |M| Record Count |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Nonce . . . |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | . . . Nonce |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Key ID | Authentication Data Length |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * ~ Authentication Data ~
+ * +-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | | Record TTL |
+ * | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * R | Locator Count | EID mask-len | ACT |A| Reserved |
+ * e +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * c | Rsvd | Map-Version Number | EID-Prefix-AFI |
+ * o +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * r | EID-Prefix |
+ * d +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | /| Priority | Weight | M Priority | M Weight |
+ * | L +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | o | Unused Flags |L|p|R| Loc-AFI |
+ * | c +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | \| Locator |
+ * +-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+typedef struct
+{
+#if CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 res1:3;
+ u8 proxy_map_reply:1;
+ u8 type:4;
+#else
+ u8 type:4;
+ u8 proxy_map_reply:1;
+ u8 res1:3;
+#endif
+
+ u8 res2;
+
+#if CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 want_map_notify:1;
+ u8 res3:7;
+#else
+ u8 res3:7;
+ u8 want_map_notify:1;
+#endif
+
+ u8 record_count;
+ u64 nonce;
+ u16 key_id;
+ u16 auth_data_len;
+ u8 data[0];
+} __attribute__ ((__packed__)) map_register_hdr_t;
+
+#define MREG_TYPE(h_) (h_)->type
+#define MREG_HDR_CAST(h_) ((map_register_hdr_t *)(h_))
+#define MREG_PROXY_MR(h_) (MREG_HDR_CAST(h_))->proxy_map_reply
+#define MREG_WANT_MAP_NOTIFY(h_) (MREG_HDR_CAST(h_))->want_map_notify
+#define MREG_REC_COUNT(h_) (MREG_HDR_CAST(h_))->record_count
+#define MREG_NONCE(h_) (MREG_HDR_CAST(h_))->nonce
+#define MREG_KEY_ID(h_) (MREG_HDR_CAST(h_))->key_id
+#define MREG_AUTH_DATA_LEN(h_) (MREG_HDR_CAST(h_))->auth_data_len
+#define MREG_DATA(h_) (MREG_HDR_CAST(h_))->data
+
+/*
+ * The Map-Notify message format is:
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |Type=4 | Reserved | Record Count |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Nonce . . . |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | . . . Nonce |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Key ID | Authentication Data Length |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * ~ Authentication Data ~
+ * +-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | | Record TTL |
+ * | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * R | Locator Count | EID mask-len | ACT |A| Reserved |
+ * e +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * c | Rsvd | Map-Version Number | EID-Prefix-AFI |
+ * o +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * r | EID-Prefix |
+ * d +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | /| Priority | Weight | M Priority | M Weight |
+ * | L +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | o | Unused Flags |L|p|R| Loc-AFI |
+ * | c +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | \| Locator |
+ * +-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+
+typedef struct
+{
+#if CLIB_ARCH_IS_LITTLE_ENDIAN
+ u8 res1:4;
+ u8 type:4;
+#else
+ u8 type:4;
+ u8 res1:4;
+#endif
+
+ u16 res2;
+
+ u8 record_count;
+ u64 nonce;
+ u16 key_id;
+ u16 auth_data_len;
+ u8 data[0];
+} __attribute__ ((__packed__)) map_notify_hdr_t;
+
+#define MNOTIFY_TYPE(h_) (h_)->type
+#define MNOTIFY_HDR_CAST(h_) ((map_register_hdr_t *)(h_))
+#define MNOTIFY_REC_COUNT(h_) (MREG_HDR_CAST(h_))->record_count
+#define MNOTIFY_NONCE(h_) (MREG_HDR_CAST(h_))->nonce
+#define MNOTIFY_KEY_ID(h_) (MREG_HDR_CAST(h_))->key_id
+#define MNOTIFY_AUTH_DATA_LEN(h_) (MREG_HDR_CAST(h_))->auth_data_len
+#define MNOTIFY_DATA(h_) (MREG_HDR_CAST(h_))->data
+
+#endif /* VNET_LISP_GPE_LISP_CP_MESSAGES_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/lisp_msg_serdes.c b/src/vnet/lisp-cp/lisp_msg_serdes.c
new file mode 100644
index 00000000000..eee1885cd9b
--- /dev/null
+++ b/src/vnet/lisp-cp/lisp_msg_serdes.c
@@ -0,0 +1,372 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/lisp-cp/lisp_msg_serdes.h>
+#include <vnet/lisp-cp/packets.h>
+#include <vppinfra/time.h>
+
+void *lisp_msg_put_gid (vlib_buffer_t * b, gid_address_t * gid);
+
+static void
+lisp_msg_put_locators (vlib_buffer_t * b, locator_t * locators)
+{
+ locator_t *loc;
+
+ vec_foreach (loc, locators)
+ {
+ u8 *p = vlib_buffer_put_uninit (b, sizeof (locator_hdr_t));
+ memset (p, 0, sizeof (locator_hdr_t));
+ LOC_PRIORITY (p) = loc->priority;
+ LOC_MPRIORITY (p) = loc->mpriority;
+ LOC_WEIGHT (p) = loc->weight;
+ LOC_MWEIGHT (p) = loc->mweight;
+ LOC_LOCAL (p) = loc->local;
+ LOC_PROBED (p) = loc->probed ? 1 : 0;
+ lisp_msg_put_gid (b, &loc->address);
+ }
+}
+
+static void
+lisp_msg_put_mapping_record (vlib_buffer_t * b, mapping_t * record)
+{
+ mapping_record_hdr_t *p =
+ vlib_buffer_put_uninit (b, sizeof (mapping_record_hdr_t));
+ gid_address_t *eid = &record->eid;
+
+ memset (p, 0, sizeof (*p));
+ MAP_REC_EID_PLEN (p) = gid_address_len (eid);
+ MAP_REC_TTL (p) = clib_host_to_net_u32 (MAP_REGISTER_DEFAULT_TTL);
+ MAP_REC_AUTH (p) = record->authoritative ? 1 : 0;
+ MAP_REC_LOC_COUNT (p) = vec_len (record->locators);
+
+ lisp_msg_put_gid (b, eid);
+ lisp_msg_put_locators (b, record->locators);
+}
+
+static void
+lisp_msg_put_mreg_records (vlib_buffer_t * b, mapping_t * records)
+{
+ u32 i;
+ for (i = 0; i < vec_len (records); i++)
+ lisp_msg_put_mapping_record (b, &records[i]);
+}
+
+void *
+lisp_msg_put_gid (vlib_buffer_t * b, gid_address_t * gid)
+{
+ u8 *p = 0;
+ if (!gid)
+ {
+ /* insert only src-eid-afi field set to 0 */
+ p = vlib_buffer_put_uninit (b, sizeof (u16));
+ *(u16 *) p = 0;
+ }
+ else
+ {
+ p = vlib_buffer_put_uninit (b, gid_address_size_to_put (gid));
+ gid_address_put (p, gid);
+ }
+ return p;
+}
+
+static void *
+lisp_msg_put_itr_rlocs (lisp_cp_main_t * lcm, vlib_buffer_t * b,
+ gid_address_t * rlocs, u8 * locs_put)
+{
+ u8 *bp, count = 0;
+ u32 i;
+
+ bp = vlib_buffer_get_current (b);
+ for (i = 0; i < vec_len (rlocs); i++)
+ {
+ lisp_msg_put_gid (b, &rlocs[i]);
+ count++;
+ }
+
+ *locs_put = count - 1;
+ return bp;
+}
+
+void *
+lisp_msg_put_eid_rec (vlib_buffer_t * b, gid_address_t * eid)
+{
+ eid_record_hdr_t *h = vlib_buffer_put_uninit (b, sizeof (*h));
+
+ memset (h, 0, sizeof (*h));
+ EID_REC_MLEN (h) = gid_address_len (eid);
+ lisp_msg_put_gid (b, eid);
+ return h;
+}
+
+u64
+nonce_build (u32 seed)
+{
+ u64 nonce;
+ u32 nonce_lower;
+ u32 nonce_upper;
+ struct timespec ts;
+
+ /* Put nanosecond clock in lower 32-bits and put an XOR of the nanosecond
+ * clock with the seond clock in the upper 32-bits. */
+ syscall (SYS_clock_gettime, CLOCK_REALTIME, &ts);
+ nonce_lower = ts.tv_nsec;
+ nonce_upper = ts.tv_sec ^ clib_host_to_net_u32 (nonce_lower);
+
+ /* OR in a caller provided seed to the low-order 32-bits. */
+ nonce_lower |= seed;
+
+ /* Return 64-bit nonce. */
+ nonce = nonce_upper;
+ nonce = (nonce << 32) | nonce_lower;
+ return nonce;
+}
+
+void *
+lisp_msg_put_map_reply (vlib_buffer_t * b, mapping_t * records, u64 nonce,
+ u8 probe_bit)
+{
+ map_reply_hdr_t *h = vlib_buffer_put_uninit (b, sizeof (h[0]));
+
+ memset (h, 0, sizeof (h[0]));
+ MREP_TYPE (h) = LISP_MAP_REPLY;
+ MREP_NONCE (h) = nonce;
+ MREP_REC_COUNT (h) = 1;
+ MREP_RLOC_PROBE (h) = probe_bit;
+
+ lisp_msg_put_mreg_records (b, records);
+ return h;
+}
+
+void *
+lisp_msg_put_map_register (vlib_buffer_t * b, mapping_t * records,
+ u8 want_map_notify, u16 auth_data_len, u64 * nonce,
+ u32 * msg_len)
+{
+ u8 *auth_data = 0;
+
+ /* Basic header init */
+ map_register_hdr_t *h = vlib_buffer_put_uninit (b, sizeof (h[0]));
+
+ memset (h, 0, sizeof (h[0]));
+ MREG_TYPE (h) = LISP_MAP_REGISTER;
+ MREG_NONCE (h) = nonce_build (0);
+ MREG_WANT_MAP_NOTIFY (h) = want_map_notify ? 1 : 0;
+ MREG_REC_COUNT (h) = vec_len (records);
+
+ auth_data = vlib_buffer_put_uninit (b, auth_data_len);
+ memset (auth_data, 0, auth_data_len);
+
+ /* Put map register records */
+ lisp_msg_put_mreg_records (b, records);
+
+ nonce[0] = MREG_NONCE (h);
+ msg_len[0] = vlib_buffer_get_tail (b) - (u8 *) h;
+ return h;
+}
+
+void *
+lisp_msg_put_mreq (lisp_cp_main_t * lcm, vlib_buffer_t * b,
+ gid_address_t * seid, gid_address_t * deid,
+ gid_address_t * rlocs, u8 is_smr_invoked,
+ u8 rloc_probe_set, u64 * nonce)
+{
+ u8 loc_count = 0;
+
+ /* Basic header init */
+ map_request_hdr_t *h = vlib_buffer_put_uninit (b, sizeof (h[0]));
+
+ memset (h, 0, sizeof (h[0]));
+ MREQ_TYPE (h) = LISP_MAP_REQUEST;
+ MREQ_NONCE (h) = nonce_build (0);
+ MREQ_SMR_INVOKED (h) = is_smr_invoked ? 1 : 0;
+ MREQ_RLOC_PROBE (h) = rloc_probe_set ? 1 : 0;
+
+ /* We're adding one eid record */
+ increment_record_count (h);
+
+ /* Fill source eid */
+ lisp_msg_put_gid (b, seid);
+
+ /* Put itr rlocs */
+ lisp_msg_put_itr_rlocs (lcm, b, rlocs, &loc_count);
+ MREQ_ITR_RLOC_COUNT (h) = loc_count;
+
+ /* Put eid record */
+ lisp_msg_put_eid_rec (b, deid);
+
+ nonce[0] = MREQ_NONCE (h);
+ return h;
+}
+
+void *
+lisp_msg_push_ecm (vlib_main_t * vm, vlib_buffer_t * b, int lp, int rp,
+ gid_address_t * la, gid_address_t * ra)
+{
+ ecm_hdr_t *h;
+ ip_address_t _src_ip, *src_ip = &_src_ip, _dst_ip, *dst_ip = &_dst_ip;
+ if (gid_address_type (la) != GID_ADDR_IP_PREFIX)
+ {
+ /* empty ip4 */
+ memset (src_ip, 0, sizeof (src_ip[0]));
+ memset (dst_ip, 0, sizeof (dst_ip[0]));
+ }
+ else
+ {
+ src_ip = &gid_address_ip (la);
+ dst_ip = &gid_address_ip (ra);
+ }
+
+ /* Push inner ip and udp */
+ pkt_push_udp_and_ip (vm, b, lp, rp, src_ip, dst_ip);
+
+ /* Push lisp ecm hdr */
+ h = pkt_push_ecm_hdr (b);
+
+ return h;
+}
+
+static u32
+msg_type_to_hdr_len (lisp_msg_type_e type)
+{
+ switch (type)
+ {
+ case LISP_MAP_REQUEST:
+ return (sizeof (map_request_hdr_t));
+ case LISP_MAP_REPLY:
+ return (sizeof (map_reply_hdr_t));
+ default:
+ return (0);
+ }
+}
+
+void *
+lisp_msg_pull_hdr (vlib_buffer_t * b, lisp_msg_type_e type)
+{
+ return vlib_buffer_pull (b, msg_type_to_hdr_len (type));
+}
+
+u32
+lisp_msg_parse_addr (vlib_buffer_t * b, gid_address_t * eid)
+{
+ u32 len;
+ memset (eid, 0, sizeof (*eid));
+ len = gid_address_parse (vlib_buffer_get_current (b), eid);
+ if (len != ~0)
+ vlib_buffer_pull (b, len);
+ return len;
+}
+
+u32
+lisp_msg_parse_eid_rec (vlib_buffer_t * b, gid_address_t * eid)
+{
+ eid_record_hdr_t *h = vlib_buffer_get_current (b);
+ u32 len;
+ memset (eid, 0, sizeof (*eid));
+ len = gid_address_parse (EID_REC_ADDR (h), eid);
+ if (len == ~0)
+ return len;
+
+ gid_address_ippref_len (eid) = EID_REC_MLEN (h);
+ vlib_buffer_pull (b, len + sizeof (eid_record_hdr_t));
+
+ return len + sizeof (eid_record_hdr_t);
+}
+
+u32
+lisp_msg_parse_itr_rlocs (vlib_buffer_t * b, gid_address_t ** rlocs,
+ u8 rloc_count)
+{
+ gid_address_t tloc;
+ u32 i, len = 0, tlen = 0;
+
+ //MREQ_ITR_RLOC_COUNT(mreq_hdr) + 1
+ for (i = 0; i < rloc_count; i++)
+ {
+ len = lisp_msg_parse_addr (b, &tloc);
+ if (len == ~0)
+ return len;
+ vec_add1 (*rlocs, tloc);
+ tlen += len;
+ }
+ return tlen;
+}
+
+u32
+lisp_msg_parse_loc (vlib_buffer_t * b, locator_t * loc)
+{
+ int len;
+
+ len = locator_parse (vlib_buffer_get_current (b), loc);
+ if (len == ~0)
+ return ~0;
+
+ vlib_buffer_pull (b, len);
+
+ return len;
+}
+
+u32
+lisp_msg_parse_mapping_record (vlib_buffer_t * b, gid_address_t * eid,
+ locator_t ** locs, locator_t * probed_)
+{
+ void *h = 0, *loc_hdr = 0;
+ locator_t loc, *probed = 0;
+ int i = 0, len = 0, llen = 0;
+
+ h = vlib_buffer_get_current (b);
+ vlib_buffer_pull (b, sizeof (mapping_record_hdr_t));
+
+ memset (eid, 0, sizeof (*eid));
+ len = gid_address_parse (vlib_buffer_get_current (b), eid);
+ if (len == ~0)
+ return len;
+
+ vlib_buffer_pull (b, len);
+ if (GID_ADDR_IP_PREFIX == gid_address_type (eid))
+ gid_address_ippref_len (eid) = MAP_REC_EID_PLEN (h);
+
+ for (i = 0; i < MAP_REC_LOC_COUNT (h); i++)
+ {
+ loc_hdr = vlib_buffer_get_current (b);
+
+ llen = lisp_msg_parse_loc (b, &loc);
+ if (llen == ~0)
+ return llen;
+ vec_add1 (*locs, loc);
+ len += llen;
+
+ if (LOC_PROBED (loc_hdr))
+ {
+ if (probed != 0)
+ clib_warning
+ ("Multiple locators probed! Probing only the first!");
+ else
+ probed = &loc;
+ }
+ }
+ /* XXX */
+ if (probed_ != 0 && probed)
+ *probed_ = *probed;
+
+ return len + sizeof (map_reply_hdr_t);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/lisp_msg_serdes.h b/src/vnet/lisp-cp/lisp_msg_serdes.h
new file mode 100644
index 00000000000..d794eff6340
--- /dev/null
+++ b/src/vnet/lisp-cp/lisp_msg_serdes.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VNET_LISP_GPE_LISP_MSG_BUILDER_H_
+#define VNET_LISP_GPE_LISP_MSG_BUILDER_H_
+
+#include <vnet/vnet.h>
+#include <vnet/lisp-cp/lisp_cp_messages.h>
+#include <vnet/lisp-cp/control.h>
+
+void *lisp_msg_put_mreq (lisp_cp_main_t * lcm, vlib_buffer_t * b,
+ gid_address_t * seid, gid_address_t * deid,
+ gid_address_t * rlocs, u8 is_smr_invoked,
+ u8 rloc_probe_set, u64 * nonce);
+
+void *lisp_msg_put_map_register (vlib_buffer_t * b, mapping_t * records,
+ u8 want_map_notify, u16 auth_data_len,
+ u64 * nonce, u32 * msg_len);
+
+void *lisp_msg_push_ecm (vlib_main_t * vm, vlib_buffer_t * b, int lp, int rp,
+ gid_address_t * la, gid_address_t * ra);
+
+void *lisp_msg_put_map_reply (vlib_buffer_t * b, mapping_t * record,
+ u64 nonce, u8 probe_bit);
+
+u32
+lisp_msg_parse_mapping_record (vlib_buffer_t * b, gid_address_t * eid,
+ locator_t ** locs, locator_t * probed_);
+
+u32 lisp_msg_parse_addr (vlib_buffer_t * b, gid_address_t * eid);
+
+u32 lisp_msg_parse_eid_rec (vlib_buffer_t * b, gid_address_t * eid);
+
+u32
+lisp_msg_parse_itr_rlocs (vlib_buffer_t * b, gid_address_t ** rlocs,
+ u8 rloc_count);
+
+#endif /* VNET_LISP_GPE_LISP_MSG_BUILDER_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/lisp_types.c b/src/vnet/lisp-cp/lisp_types.c
new file mode 100644
index 00000000000..5ab4a5eb449
--- /dev/null
+++ b/src/vnet/lisp-cp/lisp_types.c
@@ -0,0 +1,1574 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/lisp-cp/lisp_types.h>
+
+static u16 gid_address_put_no_vni (u8 * b, gid_address_t * gid);
+static u16 gid_address_size_to_put_no_vni (gid_address_t * gid);
+static u16 fid_addr_size_to_write (fid_address_t * a);
+
+u32 mac_parse (u8 * offset, u8 * a);
+
+typedef u16 (*size_to_write_fct) (void *);
+typedef void *(*cast_fct) (gid_address_t *);
+typedef u16 (*serdes_fct) (u8 *, void *);
+typedef u8 (*addr_len_fct) (void *);
+typedef void (*copy_fct) (void *, void *);
+typedef void (*free_fct) (void *);
+typedef int (*cmp_fct) (void *, void *);
+
+size_to_write_fct size_to_write_fcts[GID_ADDR_TYPES] =
+ { ip_prefix_size_to_write, lcaf_size_to_write, mac_size_to_write,
+ sd_size_to_write
+};
+serdes_fct write_fcts[GID_ADDR_TYPES] =
+ { ip_prefix_write, lcaf_write, mac_write, sd_write };
+cast_fct cast_fcts[GID_ADDR_TYPES] =
+ { ip_prefix_cast, lcaf_cast, mac_cast, sd_cast };
+addr_len_fct addr_len_fcts[GID_ADDR_TYPES] =
+ { ip_prefix_length, lcaf_length, mac_length, sd_length };
+copy_fct copy_fcts[GID_ADDR_TYPES] =
+ { ip_prefix_copy, lcaf_copy, mac_copy, sd_copy };
+
+#define foreach_lcaf_type \
+ _(1, no_addr) \
+ _(0, NULL) \
+ _(1, vni) \
+ _(0, NULL) \
+ _(0, NULL) \
+ _(0, NULL) \
+ _(0, NULL) \
+ _(0, NULL) \
+ _(0, NULL) \
+ _(0, NULL) \
+ _(0, NULL) \
+ _(0, NULL) \
+ _(1, sd)
+
+#define _(cond, name) \
+ u16 name ## _write (u8 * p, void * a); \
+ u16 name ## _parse (u8 * p, void * a); \
+ u16 name ## _size_to_write (void * a); \
+ void name ## _free (void * a); \
+ void name ## _copy (void * dst, void * src); \
+ u8 name ## _length (void * a); \
+ int name ## _cmp (void *, void *);
+foreach_lcaf_type
+#undef _
+#define CONCAT(a,b) a##_##b
+#define IF(c, t, e) CONCAT(IF, c)(t, e)
+#define IF_0(t, e) e
+#define IF_1(t, e) t
+#define EXPAND_FCN(cond, fcn) \
+ IF(cond, fcn, NULL)
+ cmp_fct lcaf_cmp_fcts[LCAF_TYPES] =
+{
+#define _(cond, name) \
+ EXPAND_FCN(cond, name##_cmp),
+ foreach_lcaf_type
+#undef _
+};
+
+addr_len_fct lcaf_body_length_fcts[LCAF_TYPES] = {
+#define _(cond, name) \
+ EXPAND_FCN(cond, name##_length),
+ foreach_lcaf_type
+#undef _
+};
+
+copy_fct lcaf_copy_fcts[LCAF_TYPES] = {
+#define _(cond, name) \
+ EXPAND_FCN(cond, name##_copy),
+ foreach_lcaf_type
+#undef _
+};
+
+free_fct lcaf_free_fcts[LCAF_TYPES] = {
+#define _(cond, name) \
+ EXPAND_FCN(cond, name##_free),
+ foreach_lcaf_type
+#undef _
+};
+
+size_to_write_fct lcaf_size_to_write_fcts[LCAF_TYPES] = {
+#define _(cond, name) \
+ EXPAND_FCN(cond, name##_size_to_write),
+ foreach_lcaf_type
+#undef _
+};
+
+serdes_fct lcaf_write_fcts[LCAF_TYPES] = {
+#define _(cond, name) \
+ EXPAND_FCN(cond, name##_write),
+ foreach_lcaf_type
+#undef _
+};
+
+serdes_fct lcaf_parse_fcts[LCAF_TYPES] = {
+#define _(cond, name) \
+ EXPAND_FCN(cond, name##_parse),
+ foreach_lcaf_type
+#undef _
+};
+
+u8 *
+format_ip_address (u8 * s, va_list * args)
+{
+ ip_address_t *a = va_arg (*args, ip_address_t *);
+ u8 ver = ip_addr_version (a);
+ if (ver == IP4)
+ {
+ return format (s, "%U", format_ip4_address, &ip_addr_v4 (a));
+ }
+ else if (ver == IP6)
+ {
+ return format (s, "%U", format_ip6_address, &ip_addr_v6 (a));
+ }
+ else
+ {
+ clib_warning ("Can't format IP version %d!", ver);
+ return 0;
+ }
+}
+
+uword
+unformat_ip_address (unformat_input_t * input, va_list * args)
+{
+ ip_address_t *a = va_arg (*args, ip_address_t *);
+
+ memset (a, 0, sizeof (*a));
+ if (unformat (input, "%U", unformat_ip4_address, &ip_addr_v4 (a)))
+ ip_addr_version (a) = IP4;
+ else if (unformat_user (input, unformat_ip6_address, &ip_addr_v6 (a)))
+ ip_addr_version (a) = IP6;
+ else
+ return 0;
+ return 1;
+}
+
+u8 *
+format_ip_prefix (u8 * s, va_list * args)
+{
+ ip_prefix_t *a = va_arg (*args, ip_prefix_t *);
+ return format (s, "%U/%d", format_ip_address, &ip_prefix_addr (a),
+ ip_prefix_len (a));
+}
+
+uword
+unformat_ip_prefix (unformat_input_t * input, va_list * args)
+{
+ ip_prefix_t *a = va_arg (*args, ip_prefix_t *);
+ if (unformat (input, "%U/%d", unformat_ip_address, &ip_prefix_addr (a),
+ &ip_prefix_len (a)))
+ {
+ if ((ip_prefix_version (a) == IP4 && 32 < ip_prefix_len (a)) ||
+ (ip_prefix_version (a) == IP6 && 128 < ip_prefix_length (a)))
+ {
+ clib_warning ("Prefix length to big: %d!", ip_prefix_len (a));
+ return 0;
+ }
+ ip_prefix_normalize (a);
+ }
+ else
+ return 0;
+ return 1;
+}
+
+uword
+unformat_mac_address (unformat_input_t * input, va_list * args)
+{
+ u8 *a = va_arg (*args, u8 *);
+ return unformat (input, "%x:%x:%x:%x:%x:%x", &a[0], &a[1], &a[2], &a[3],
+ &a[4], &a[5]);
+}
+
+u8 *
+format_mac_address (u8 * s, va_list * args)
+{
+ u8 *a = va_arg (*args, u8 *);
+ return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
+ a[0], a[1], a[2], a[3], a[4], a[5]);
+}
+
+u8 *
+format_fid_address (u8 * s, va_list * args)
+{
+ fid_address_t *a = va_arg (*args, fid_address_t *);
+
+ switch (fid_addr_type (a))
+ {
+ case FID_ADDR_IP_PREF:
+ return format (s, "%U", format_ip_prefix, &fid_addr_ippref (a));
+
+ case FID_ADDR_MAC:
+ return format (s, "%U", format_mac_address, &fid_addr_mac (a));
+
+ default:
+ clib_warning ("Can't format fid address type %d!", fid_addr_type (a));
+ return 0;
+ }
+ return 0;
+}
+
+u8 *
+format_gid_address (u8 * s, va_list * args)
+{
+ gid_address_t *a = va_arg (*args, gid_address_t *);
+ u8 type = gid_address_type (a);
+ switch (type)
+ {
+ case GID_ADDR_IP_PREFIX:
+ return format (s, "[%d] %U", gid_address_vni (a), format_ip_prefix,
+ &gid_address_ippref (a));
+ case GID_ADDR_SRC_DST:
+ return format (s, "[%d] %U|%U", gid_address_vni (a),
+ format_fid_address, &gid_address_sd_src (a),
+ format_fid_address, &gid_address_sd_dst (a));
+ case GID_ADDR_MAC:
+ return format (s, "[%d] %U", gid_address_vni (a), format_mac_address,
+ &gid_address_mac (a));
+ default:
+ clib_warning ("Can't format gid type %d", type);
+ return 0;
+ }
+ return 0;
+}
+
+uword
+unformat_fid_address (unformat_input_t * i, va_list * args)
+{
+ fid_address_t *a = va_arg (*args, fid_address_t *);
+ ip_prefix_t ippref;
+ u8 mac[6] = { 0 };
+
+ if (unformat (i, "%U", unformat_ip_prefix, &ippref))
+ {
+ fid_addr_type (a) = FID_ADDR_IP_PREF;
+ ip_prefix_copy (&fid_addr_ippref (a), &ippref);
+ }
+ else if (unformat (i, "%U", unformat_mac_address, mac))
+ {
+ fid_addr_type (a) = FID_ADDR_MAC;
+ mac_copy (fid_addr_mac (a), mac);
+ }
+ else
+ return 0;
+
+ return 1;
+}
+
+uword
+unformat_hmac_key_id (unformat_input_t * input, va_list * args)
+{
+ u32 *key_id = va_arg (*args, u32 *);
+ u8 *s = 0;
+
+ if (unformat (input, "%s", &s))
+ {
+ if (!strcmp ((char *) s, "sha1"))
+ key_id[0] = HMAC_SHA_1_96;
+ else if (!strcmp ((char *) s, "sha256"))
+ key_id[0] = HMAC_SHA_256_128;
+ else
+ {
+ clib_warning ("invalid key_id: '%s'", s);
+ key_id[0] = HMAC_NO_KEY;
+ }
+ }
+ else
+ return 0;
+
+ vec_free (s);
+ return 1;
+}
+
+uword
+unformat_gid_address (unformat_input_t * input, va_list * args)
+{
+ gid_address_t *a = va_arg (*args, gid_address_t *);
+ u8 mac[6] = { 0 };
+ ip_prefix_t ippref;
+ fid_address_t sim1, sim2;
+
+ memset (&ippref, 0, sizeof (ippref));
+ memset (&sim1, 0, sizeof (sim1));
+ memset (&sim2, 0, sizeof (sim2));
+
+ if (unformat (input, "%U|%U", unformat_fid_address, &sim1,
+ unformat_fid_address, &sim2))
+ {
+ gid_address_sd_src (a) = sim1;
+ gid_address_sd_dst (a) = sim2;
+ gid_address_type (a) = GID_ADDR_SRC_DST;
+ }
+ else if (unformat (input, "%U", unformat_ip_prefix, &ippref))
+ {
+ ip_prefix_copy (&gid_address_ippref (a), &ippref);
+ gid_address_type (a) = GID_ADDR_IP_PREFIX;
+ }
+ else if (unformat (input, "%U", unformat_mac_address, mac))
+ {
+ mac_copy (gid_address_mac (a), mac);
+ gid_address_type (a) = GID_ADDR_MAC;
+ }
+ else
+ return 0;
+
+ return 1;
+}
+
+uword
+unformat_negative_mapping_action (unformat_input_t * input, va_list * args)
+{
+ u32 *action = va_arg (*args, u32 *);
+ u8 *s = 0;
+
+ if (unformat (input, "%s", &s))
+ {
+ if (!strcmp ((char *) s, "no-action"))
+ action[0] = LISP_NO_ACTION;
+ else if (!strcmp ((char *) s, "natively-forward"))
+ action[0] = LISP_FORWARD_NATIVE;
+ else if (!strcmp ((char *) s, "send-map-request"))
+ action[0] = LISP_SEND_MAP_REQUEST;
+ else if (!strcmp ((char *) s, "drop"))
+ action[0] = LISP_DROP;
+ else
+ {
+ clib_warning ("invalid action: '%s'", s);
+ action[0] = LISP_DROP;
+ }
+ }
+ else
+ return 0;
+
+ vec_free (s);
+ return 1;
+}
+
+u8 *
+format_hmac_key_id (u8 * s, va_list * args)
+{
+ lisp_key_type_t key_id = va_arg (*args, lisp_key_type_t);
+
+ switch (key_id)
+ {
+ case HMAC_SHA_1_96:
+ return format (0, "sha1");
+ case HMAC_SHA_256_128:
+ return format (0, "sha256");
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+u8 *
+format_negative_mapping_action (u8 * s, va_list * args)
+{
+ lisp_action_e action = va_arg (*args, lisp_action_e);
+
+ switch (action)
+ {
+ case LISP_NO_ACTION:
+ s = format (s, "no-action");
+ break;
+ case LISP_FORWARD_NATIVE:
+ s = format (s, "natively-forward");
+ break;
+ case LISP_SEND_MAP_REQUEST:
+ s = format (s, "send-map-request");
+ break;
+ case LISP_DROP:
+ default:
+ s = format (s, "drop");
+ break;
+ }
+ return (s);
+}
+
+u16
+ip_address_size (const ip_address_t * a)
+{
+ switch (ip_addr_version (a))
+ {
+ case IP4:
+ return sizeof (ip4_address_t);
+ break;
+ case IP6:
+ return sizeof (ip6_address_t);
+ break;
+ }
+ return 0;
+}
+
+u16
+ip_version_to_size (u8 ver)
+{
+ switch (ver)
+ {
+ case IP4:
+ return sizeof (ip4_address_t);
+ break;
+ case IP6:
+ return sizeof (ip6_address_t);
+ break;
+ }
+ return 0;
+}
+
+u8
+ip_version_to_max_plen (u8 ver)
+{
+ switch (ver)
+ {
+ case IP4:
+ return 32;
+ break;
+ case IP6:
+ return 128;
+ break;
+ }
+ return 0;
+}
+
+always_inline lisp_afi_e
+ip_version_to_iana_afi (u16 version)
+{
+ switch (version)
+ {
+ case IP4:
+ return LISP_AFI_IP;
+ case IP6:
+ return LISP_AFI_IP6;
+ default:
+ return 0;
+ }
+ return 0;
+}
+
+always_inline u8
+ip_iana_afi_to_version (lisp_afi_e afi)
+{
+ switch (afi)
+ {
+ case LISP_AFI_IP:
+ return IP4;
+ case LISP_AFI_IP6:
+ return IP6;
+ default:
+ return 0;
+ }
+ return 0;
+}
+
+u16
+ip_address_size_to_write (ip_address_t * a)
+{
+ return ip_address_size (a) + sizeof (u16);
+}
+
+u16
+ip_address_iana_afi (ip_address_t * a)
+{
+ return ip_version_to_iana_afi (ip_addr_version (a));
+}
+
+u8
+ip_address_max_len (u8 version)
+{
+ return version == IP4 ? 32 : 128;
+}
+
+u16
+ip4_address_size_to_put ()
+{
+ // return sizeof(u16) + sizeof (ip4_address_t);
+ return 6;
+}
+
+u16
+ip6_address_size_to_put ()
+{
+ //return sizeof(u16) + sizeof (ip6_address_t);
+ return 18;
+}
+
+u32
+ip4_address_put (u8 * b, ip4_address_t * a)
+{
+ *(u16 *) b = clib_host_to_net_u16 (ip_version_to_iana_afi (IP4));
+ u8 *p = b + sizeof (u16);
+ clib_memcpy (p, a, sizeof (*a));
+ return ip4_address_size_to_put ();
+}
+
+u32
+ip6_address_put (u8 * b, ip6_address_t * a)
+{
+ *(u16 *) b = clib_host_to_net_u16 (ip_version_to_iana_afi (IP6));
+ u8 *p = b + sizeof (u16);
+ clib_memcpy (p, a, sizeof (*a));
+ return ip6_address_size_to_put ();
+}
+
+u32
+ip_address_put (u8 * b, ip_address_t * a)
+{
+ u32 len = ip_address_size (a);
+ *(u16 *) b = clib_host_to_net_u16 (ip_address_iana_afi (a));
+ u8 *p = b + sizeof (u16);
+ clib_memcpy (p, &ip_addr_addr (a), len);
+ return (len + sizeof (u16));
+}
+
+u32
+ip_address_parse (void *offset, u16 iana_afi, ip_address_t * dst)
+{
+ ip_addr_version (dst) = ip_iana_afi_to_version (iana_afi);
+ u8 size = ip_version_to_size (ip_addr_version (dst));
+ clib_memcpy (&ip_addr_addr (dst), offset + sizeof (u16), size);
+ return (sizeof (u16) + size);
+}
+
+u32
+lcaf_hdr_parse (void *offset, lcaf_t * lcaf)
+{
+ lcaf_hdr_t *lh = offset;
+ lcaf->type = lh->type;
+
+ /* this is a bit of hack: since the LCAF Instance ID is the
+ only message that uses reserved2 field, we can set it here.
+ If any LCAF format starts using reserved2 field as well this needs
+ to be moved elsewhere */
+ lcaf_vni_len (lcaf) = lh->reserved2;
+
+ return sizeof (lh[0]);
+}
+
+static u8
+iana_afi_to_fid_addr_type (u16 type)
+{
+ switch (type)
+ {
+ case LISP_AFI_IP:
+ case LISP_AFI_IP6:
+ return FID_ADDR_IP_PREF;
+
+ case LISP_AFI_MAC:
+ return FID_ADDR_MAC;
+ }
+ return ~0;
+}
+
+static u16
+fid_addr_parse (u8 * p, fid_address_t * a)
+{
+ u16 afi = clib_net_to_host_u16 (*(u16 *) p);
+ fid_addr_type (a) = iana_afi_to_fid_addr_type (afi);
+ ip_address_t *ip_addr = &ip_prefix_addr (&fid_addr_ippref (a));
+
+ switch (fid_addr_type (a))
+ {
+ case FID_ADDR_MAC:
+ return mac_parse (p, fid_addr_mac (a));
+
+ case FID_ADDR_IP_PREF:
+ return ip_address_parse (p, afi, ip_addr);
+ }
+ return ~0;
+}
+
+u16
+sd_parse (u8 * p, void *a)
+{
+ lcaf_src_dst_hdr_t *sd_hdr;
+ gid_address_t *g = a;
+ u16 size = 0;
+ fid_address_t *src = &gid_address_sd_src (g);
+ fid_address_t *dst = &gid_address_sd_dst (g);
+
+ gid_address_type (g) = GID_ADDR_SRC_DST;
+
+ sd_hdr = (lcaf_src_dst_hdr_t *) (p + size);
+ size += sizeof (sd_hdr[0]);
+
+ size += fid_addr_parse (p + size, src);
+ size += fid_addr_parse (p + size, dst);
+
+ if (fid_addr_type (src) == FID_ADDR_IP_PREF)
+ {
+ ip_prefix_t *ippref = &fid_addr_ippref (src);
+ ip_prefix_len (ippref) = LCAF_SD_SRC_ML (sd_hdr);
+ }
+ if (fid_addr_type (dst) == FID_ADDR_IP_PREF)
+ {
+ ip_prefix_t *ippref = &fid_addr_ippref (dst);
+ ip_prefix_len (ippref) = LCAF_SD_DST_ML (sd_hdr);
+ }
+ return size;
+}
+
+u16
+try_parse_src_dst_lcaf (u8 * p, gid_address_t * a)
+{
+ lcaf_t lcaf;
+ u16 size = sizeof (u16); /* skip AFI */
+
+ size += lcaf_hdr_parse (p + size, &lcaf);
+
+ if (LCAF_SOURCE_DEST != lcaf_type (&lcaf))
+ return ~0;
+
+ size += sd_parse (p + size, a);
+ return size;
+}
+
+u16
+vni_parse (u8 * p, void *a)
+{
+ lcaf_t *lcaf = a;
+ gid_address_t *g = a;
+ u16 size = 0;
+
+ gid_address_vni (g) = clib_net_to_host_u32 (*(u32 *) p);
+ size += sizeof (u32);
+ gid_address_vni_mask (g) = lcaf_vni_len (lcaf);
+
+ /* nested LCAFs are not supported except of src/dst with vni - to handle
+ * such case look at the next AFI and process src/dest LCAF separately */
+ u16 afi = clib_net_to_host_u16 (*((u16 *) (p + size)));
+ if (LISP_AFI_LCAF == afi)
+ {
+ u16 len = try_parse_src_dst_lcaf (p + size, g);
+ if ((u16) ~ 0 == len)
+ return ~0;
+ size += len;
+ }
+ else
+ size += gid_address_parse (p + size, g);
+
+ return size;
+}
+
+u16
+no_addr_parse (u8 * p, void *a)
+{
+ /* do nothing */
+ return 0;
+}
+
+u32
+lcaf_parse (void *offset, gid_address_t * addr)
+{
+ /* skip AFI type */
+ offset += sizeof (u16);
+ lcaf_t *lcaf = &gid_address_lcaf (addr);
+
+ u32 size = lcaf_hdr_parse (offset, lcaf);
+ u8 type = lcaf_type (lcaf);
+
+ if (!lcaf_parse_fcts[type])
+ {
+ clib_warning ("Unsupported LCAF type: %u", type);
+ return ~0;
+ }
+ size += (*lcaf_parse_fcts[type]) (offset + size, lcaf);
+ return sizeof (u16) + size;
+}
+
+void
+vni_free (void *a)
+{
+ vni_t *v = a;
+ gid_address_free (vni_gid (v));
+ clib_mem_free (vni_gid (v));
+}
+
+void
+no_addr_free (void *a)
+{
+ /* nothing to do */
+}
+
+void
+sd_free (void *a)
+{
+ /* nothing */
+}
+
+void
+gid_address_free (gid_address_t * a)
+{
+ if (gid_address_type (a) != GID_ADDR_LCAF)
+ return;
+
+ lcaf_t *lcaf = &gid_address_lcaf (a);
+ u8 lcaf_type = lcaf_type (lcaf);
+ (*lcaf_free_fcts[lcaf_type]) (lcaf);
+}
+
+void
+gid_address_from_ip (gid_address_t * g, ip_address_t * ip)
+{
+ memset (g, 0, sizeof (g[0]));
+ ip_address_set (&gid_address_ip (g), ip, ip_addr_version (ip));
+ gid_address_ippref_len (g) = 32;
+}
+
+int
+ip_address_cmp (const ip_address_t * ip1, const ip_address_t * ip2)
+{
+ int res = 0;
+ if (ip_addr_version (ip1) != ip_addr_version (ip2))
+ return -1;
+ res =
+ memcmp (&ip_addr_addr (ip1), &ip_addr_addr (ip2), ip_address_size (ip1));
+
+ if (res < 0)
+ res = 2;
+ else if (res > 0)
+ res = 1;
+
+ return res;
+}
+
+void
+ip_address_copy (ip_address_t * dst, const ip_address_t * src)
+{
+ if (IP4 == ip_addr_version (src))
+ {
+ /* don't copy any garbe from the union */
+ memset (dst, 0, sizeof (*dst));
+ dst->ip.v4 = src->ip.v4;
+ dst->version = IP4;
+ }
+ else
+ {
+ clib_memcpy (dst, src, sizeof (ip_address_t));
+ }
+}
+
+void
+ip_address_copy_addr (void *dst, const ip_address_t * src)
+{
+ clib_memcpy (dst, src, ip_address_size (src));
+}
+
+void
+ip_address_set (ip_address_t * dst, const void *src, u8 version)
+{
+ clib_memcpy (dst, src, ip_version_to_size (version));
+ ip_addr_version (dst) = version;
+}
+
+void
+ip_address_to_46 (const ip_address_t * addr,
+ ip46_address_t * a, fib_protocol_t * proto)
+{
+ *proto = (IP4 == ip_addr_version (addr) ?
+ FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6);
+ switch (*proto)
+ {
+ case FIB_PROTOCOL_IP4:
+ ip46_address_set_ip4 (a, &addr->ip.v4);
+ break;
+ case FIB_PROTOCOL_IP6:
+ a->ip6 = addr->ip.v6;
+ break;
+ default:
+ ASSERT (0);
+ break;
+ }
+}
+
+static void
+ip_prefix_normalize_ip4 (ip4_address_t * ip4, u8 preflen)
+{
+ u32 mask = ~0;
+
+ ASSERT (ip4);
+
+ if (32 <= preflen)
+ {
+ return;
+ }
+
+ mask = pow2_mask (preflen) << (32 - preflen);
+ mask = clib_host_to_net_u32 (mask);
+ ip4->data_u32 &= mask;
+}
+
+static void
+ip_prefix_normalize_ip6 (ip6_address_t * ip6, u8 preflen)
+{
+ u8 mask_6[16];
+ u32 *m;
+ u8 j, i0, i1;
+
+ ASSERT (ip6);
+
+ memset (mask_6, 0, sizeof (mask_6));
+
+ if (128 <= preflen)
+ {
+ return;
+ }
+
+ i1 = preflen % 32;
+ i0 = preflen / 32;
+ m = (u32 *) & mask_6[0];
+
+ for (j = 0; j < i0; j++)
+ {
+ m[j] = ~0;
+ }
+
+ if (i1)
+ {
+ m[i0] = clib_host_to_net_u32 (pow2_mask (i1) << (32 - i1));
+ }
+
+ for (j = 0; j < sizeof (mask_6); j++)
+ {
+ ip6->as_u8[j] &= mask_6[j];
+ }
+}
+
+void
+ip_prefix_normalize (ip_prefix_t * a)
+{
+ u8 preflen = ip_prefix_len (a);
+
+ switch (ip_prefix_version (a))
+ {
+ case IP4:
+ ip_prefix_normalize_ip4 (&ip_prefix_v4 (a), preflen);
+ break;
+
+ case IP6:
+ ip_prefix_normalize_ip6 (&ip_prefix_v6 (a), preflen);
+ break;
+
+ default:
+ ASSERT (0);
+ }
+}
+
+void *
+ip_prefix_cast (gid_address_t * a)
+{
+ return &gid_address_ippref (a);
+}
+
+u16
+ip_prefix_size_to_write (void *pref)
+{
+ ip_prefix_t *a = (ip_prefix_t *) pref;
+ return ip_address_size_to_write (&ip_prefix_addr (a));
+}
+
+u16
+ip_prefix_write (u8 * p, void *gid)
+{
+ gid_address_t *g = gid;
+ ip_prefix_t *a = &gid_address_ippref (g);
+
+ switch (ip_prefix_version (a))
+ {
+ case IP4:
+ return ip4_address_put (p, &ip_prefix_v4 (a));
+ break;
+ case IP6:
+ return ip6_address_put (p, &ip_prefix_v6 (a));
+ break;
+ }
+ return 0;
+}
+
+u8
+ip_prefix_length (void *a)
+{
+ return ip_prefix_len ((ip_prefix_t *) a);
+}
+
+void
+ip_prefix_copy (void *dst, void *src)
+{
+ clib_memcpy (dst, src, sizeof (ip_prefix_t));
+}
+
+void
+mac_copy (void *dst, void *src)
+{
+ clib_memcpy (dst, src, 6);
+}
+
+void
+sd_copy (void *dst, void *src)
+{
+ clib_memcpy (dst, src, sizeof (source_dest_t));
+}
+
+int
+ip_prefix_cmp (ip_prefix_t * p1, ip_prefix_t * p2)
+{
+ int cmp = 0;
+
+ ip_prefix_normalize (p1);
+ ip_prefix_normalize (p2);
+
+ cmp = ip_address_cmp (&ip_prefix_addr (p1), &ip_prefix_addr (p2));
+ if (cmp == 0)
+ {
+ if (ip_prefix_len (p1) < ip_prefix_len (p2))
+ {
+ cmp = 1;
+ }
+ else
+ {
+ if (ip_prefix_len (p1) > ip_prefix_len (p2))
+ cmp = 2;
+ }
+ }
+ return cmp;
+}
+
+void
+no_addr_copy (void *dst, void *src)
+{
+ /* nothing to do */
+}
+
+void
+vni_copy (void *dst, void *src)
+{
+ vni_t *vd = dst;
+ vni_t *vs = src;
+
+ clib_memcpy (vd, vs, sizeof (vd[0]));
+ vni_gid (vd) = clib_mem_alloc (sizeof (gid_address_t));
+ gid_address_copy (vni_gid (vd), vni_gid (vs));
+}
+
+void
+lcaf_copy (void *dst, void *src)
+{
+ lcaf_t *lcaf_dst = dst;
+ lcaf_t *lcaf_src = src;
+
+ lcaf_type (lcaf_dst) = lcaf_type (lcaf_src);
+ (*lcaf_copy_fcts[lcaf_type (lcaf_src)]) (dst, src);
+}
+
+u8
+lcaf_length (void *a)
+{
+ return 0;
+}
+
+u8
+mac_length (void *a)
+{
+ return 0;
+}
+
+u8
+sd_length (void *a)
+{
+ return 0;
+}
+
+void *
+lcaf_cast (gid_address_t * a)
+{
+ return &gid_address_lcaf (a);
+}
+
+void *
+mac_cast (gid_address_t * a)
+{
+ return &gid_address_mac (a);
+}
+
+void *
+sd_cast (gid_address_t * a)
+{
+ return &gid_address_sd (a);
+}
+
+u8
+no_addr_length (void *a)
+{
+ return 0;
+}
+
+u8
+vni_length (void *a)
+{
+ vni_t *v = a;
+ return (sizeof (u32) /* VNI size */
+ + gid_address_size_to_put (vni_gid (v)) /* vni body size */ );
+}
+
+u16
+lcaf_write (u8 * p, void *a)
+{
+ u16 size = 0, len;
+ lcaf_t *lcaf = a;
+ u8 type = lcaf_type (lcaf);
+ lcaf_hdr_t _h, *h = &_h;
+
+ *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
+ size += sizeof (u16);
+ memset (h, 0, sizeof (h[0]));
+ LCAF_TYPE (h) = type;
+ u16 lcaf_len = (*lcaf_body_length_fcts[type]) (lcaf);
+ LCAF_LENGTH (h) = clib_host_to_net_u16 (lcaf_len);
+
+ clib_memcpy (p + size, h, sizeof (h[0]));
+ size += sizeof (h[0]);
+ len = (*lcaf_write_fcts[type]) (p + size, lcaf);
+
+ if ((u16) ~ 0 == len)
+ return ~0;
+
+ return size + len;
+}
+
+u16
+mac_write (u8 * p, void *a)
+{
+ *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_MAC);
+ clib_memcpy (p + sizeof (u16), a, 6);
+ return mac_size_to_write (a);
+}
+
+static u16
+fid_addr_write (u8 * p, fid_address_t * a)
+{
+ switch (fid_addr_type (a))
+ {
+ case FID_ADDR_IP_PREF:
+ return ip_prefix_write (p, &fid_addr_ippref (a));
+
+ case FID_ADDR_MAC:
+ return mac_write (p, &fid_addr_mac (a));
+
+ default:
+ return ~0;
+ }
+ return ~0;
+}
+
+static u8
+fid_address_length (fid_address_t * a)
+{
+ switch (fid_addr_type (a))
+ {
+ case FID_ADDR_IP_PREF:
+ return ip_prefix_length (&fid_addr_ippref (a));
+ case FID_ADDR_MAC:
+ return 0;
+ }
+ return 0;
+}
+
+u16
+sd_write (u8 * p, void *a)
+{
+ source_dest_t *sd = a;
+ u16 size = 0;
+ lcaf_hdr_t _h, *h = &_h;
+ lcaf_src_dst_hdr_t sd_hdr;
+
+ *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
+ size += sizeof (u16);
+ memset (h, 0, sizeof (h[0]));
+ LCAF_TYPE (h) = LCAF_SOURCE_DEST;
+ u16 lcaf_len = sizeof (lcaf_src_dst_hdr_t)
+ + fid_addr_size_to_write (&sd_src (sd))
+ + fid_addr_size_to_write (&sd_dst (sd));
+ LCAF_LENGTH (h) = clib_host_to_net_u16 (lcaf_len);
+
+ clib_memcpy (p + size, h, sizeof (h[0]));
+ size += sizeof (h[0]);
+
+ memset (&sd_hdr, 0, sizeof (sd_hdr));
+ LCAF_SD_SRC_ML (&sd_hdr) = fid_address_length (&sd_src (sd));
+ LCAF_SD_DST_ML (&sd_hdr) = fid_address_length (&sd_dst (sd));
+ clib_memcpy (p + size, &sd_hdr, sizeof (sd_hdr));
+ size += sizeof (sd_hdr);
+
+ u16 len = fid_addr_write (p + size, &sd_src (sd));
+ if ((u16) ~ 0 == len)
+ return ~0;
+ size += len;
+
+ len = fid_addr_write (p + size, &sd_dst (sd));
+ if ((u16) ~ 0 == len)
+ return ~0;
+ size += len;
+
+ return size;
+}
+
+u16
+vni_write (u8 * p, void *a)
+{
+ lcaf_hdr_t _h, *h = &_h;
+ gid_address_t *g = a;
+ u16 size = 0, len;
+
+ /* put lcaf header */
+ *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
+ size += sizeof (u16);
+ memset (h, 0, sizeof (h[0]));
+ LCAF_TYPE (h) = LCAF_INSTANCE_ID;
+ u16 lcaf_len = sizeof (u32) /* Instance ID size */
+ + gid_address_size_to_put_no_vni (g);
+ LCAF_LENGTH (h) = clib_host_to_net_u16 (lcaf_len);
+ LCAF_RES2 (h) = gid_address_vni_mask (g);
+
+ /* put vni header */
+ clib_memcpy (p + size, h, sizeof (h[0]));
+ size += sizeof (h[0]);
+
+ u32 *afip = (u32 *) (p + size);
+ afip[0] = clib_host_to_net_u32 (gid_address_vni (g));
+ size += sizeof (u32);
+
+ if (GID_ADDR_SRC_DST == gid_address_type (g))
+ /* write src/dst LCAF */
+ {
+ len = sd_write (p + size, g);
+ if ((u16) ~ 0 == len)
+ return ~0;
+ }
+ else
+ /* write the actual address */
+ len = gid_address_put_no_vni (p + size, g);
+
+ if ((u16) ~ 0 == len)
+ return ~0;
+
+ return size + len;
+}
+
+u16
+no_addr_write (u8 * p, void *a)
+{
+ /* do nothing; return AFI field size */
+ return sizeof (u16);
+}
+
+u16
+no_addr_size_to_write (void *a)
+{
+ return sizeof (u16); /* AFI field length */
+}
+
+static u16
+fid_addr_size_to_write (fid_address_t * a)
+{
+ switch (fid_addr_type (a))
+ {
+ case FID_ADDR_IP_PREF:
+ return ip_prefix_size_to_write (a);
+
+ case FID_ADDR_MAC:
+ return mac_size_to_write (a);
+
+ default:
+ break;
+ }
+ return 0;
+}
+
+u16
+vni_size_to_write (void *a)
+{
+ gid_address_t *g = a;
+
+ u16 lcaf_size = sizeof (u32) + sizeof (u16) /* LCAF AFI field size */
+ + sizeof (lcaf_hdr_t);
+
+ if (gid_address_type (g) == GID_ADDR_SRC_DST)
+ /* special case where nested LCAF is supported */
+ return lcaf_size + sd_size_to_write (g);
+ else
+ return lcaf_size + gid_address_size_to_put_no_vni (g);
+}
+
+u16
+lcaf_size_to_write (void *a)
+{
+ lcaf_t *lcaf = (lcaf_t *) a;
+ u32 size = 0, len;
+ u8 type = lcaf_type (lcaf);
+
+ size += sizeof (u16); /* AFI size */
+
+ len = (*lcaf_size_to_write_fcts[type]) (lcaf);
+ if (~0 == len)
+ return ~0;
+
+ return size + len;
+}
+
+u16
+sd_size_to_write (void *a)
+{
+ source_dest_t *sd = a;
+ return sizeof (u16)
+ + sizeof (lcaf_hdr_t)
+ + sizeof (lcaf_src_dst_hdr_t)
+ + fid_addr_size_to_write (&sd_src (sd))
+ + fid_addr_size_to_write (&sd_dst (sd));
+}
+
+u16
+mac_size_to_write (void *a)
+{
+ return sizeof (u16) + 6;
+}
+
+u8
+gid_address_len (gid_address_t * a)
+{
+ gid_address_type_t type = gid_address_type (a);
+ return (*addr_len_fcts[type]) ((*cast_fcts[type]) (a));
+}
+
+static u16
+gid_address_put_no_vni (u8 * b, gid_address_t * gid)
+{
+ gid_address_type_t type = gid_address_type (gid);
+ return (*write_fcts[type]) (b, (*cast_fcts[type]) (gid));
+}
+
+u16
+gid_address_put (u8 * b, gid_address_t * gid)
+{
+ if (0 != gid_address_vni (gid))
+ return vni_write (b, gid);
+
+ return gid_address_put_no_vni (b, gid);
+}
+
+static u16
+gid_address_size_to_put_no_vni (gid_address_t * gid)
+{
+ gid_address_type_t type = gid_address_type (gid);
+ return (*size_to_write_fcts[type]) ((*cast_fcts[type]) (gid));
+}
+
+u16
+gid_address_size_to_put (gid_address_t * gid)
+{
+ if (0 != gid_address_vni (gid))
+ return vni_size_to_write (gid);
+
+ return gid_address_size_to_put_no_vni (gid);
+}
+
+void *
+gid_address_cast (gid_address_t * gid, gid_address_type_t type)
+{
+ return (*cast_fcts[type]) (gid);
+}
+
+void
+gid_address_copy (gid_address_t * dst, gid_address_t * src)
+{
+ gid_address_type_t type = gid_address_type (src);
+ (*copy_fcts[type]) ((*cast_fcts[type]) (dst), (*cast_fcts[type]) (src));
+ gid_address_type (dst) = type;
+ gid_address_vni (dst) = gid_address_vni (src);
+ gid_address_vni_mask (dst) = gid_address_vni_mask (src);
+}
+
+u32
+mac_parse (u8 * offset, u8 * a)
+{
+ /* skip AFI field */
+ offset += sizeof (u16);
+
+ clib_memcpy (a, offset, 6);
+ return sizeof (u16) + 6;
+}
+
+u32
+gid_address_parse (u8 * offset, gid_address_t * a)
+{
+ lisp_afi_e afi;
+ int len = 0;
+
+ if (!a)
+ return 0;
+
+ /* NOTE: since gid_address_parse may be called by vni_parse, we can't 0
+ * the gid address here */
+ afi = clib_net_to_host_u16 (*((u16 *) offset));
+
+ switch (afi)
+ {
+ case LISP_AFI_NO_ADDR:
+ len = sizeof (u16);
+ gid_address_type (a) = GID_ADDR_NO_ADDRESS;
+ break;
+ case LISP_AFI_IP:
+ len = ip_address_parse (offset, afi, &gid_address_ip (a));
+ gid_address_type (a) = GID_ADDR_IP_PREFIX;
+ /* this should be modified outside if needed */
+ gid_address_ippref_len (a) = 32;
+ break;
+ case LISP_AFI_IP6:
+ len = ip_address_parse (offset, afi, &gid_address_ip (a));
+ gid_address_type (a) = GID_ADDR_IP_PREFIX;
+ /* this should be modified outside if needed */
+ gid_address_ippref_len (a) = 128;
+ break;
+ case LISP_AFI_LCAF:
+ gid_address_type (a) = GID_ADDR_LCAF;
+ len = lcaf_parse (offset, a);
+ break;
+ case LISP_AFI_MAC:
+ len = mac_parse (offset, gid_address_mac (a));
+ gid_address_type (a) = GID_ADDR_MAC;
+ break;
+ default:
+ clib_warning ("LISP AFI %d not supported!", afi);
+ return ~0;
+ }
+ return len;
+}
+
+void
+gid_address_ip_set (gid_address_t * dst, void *src, u8 version)
+{
+ gid_address_ippref_len (dst) = ip_address_max_len (version);
+ ip_address_set (&gid_address_ip (dst), src, version);
+}
+
+int
+no_addr_cmp (void *a1, void *a2)
+{
+ return 0;
+}
+
+int
+vni_cmp (void *a1, void *a2)
+{
+ vni_t *v1 = a1;
+ vni_t *v2 = a2;
+
+ if (vni_mask_len (v1) != vni_mask_len (v2))
+ return -1;
+ if (vni_vni (v1) != vni_vni (v2))
+ return -1;
+ return gid_address_cmp (vni_gid (v1), vni_gid (v2));
+}
+
+static int
+mac_cmp (void *a1, void *a2)
+{
+ return memcmp (a1, a2, 6);
+}
+
+static int
+fid_addr_cmp (fid_address_t * a1, fid_address_t * a2)
+{
+ if (fid_addr_type (a1) != fid_addr_type (a2))
+ return -1;
+
+ switch (fid_addr_type (a1))
+ {
+ case FID_ADDR_IP_PREF:
+ return ip_prefix_cmp (&fid_addr_ippref (a1), &fid_addr_ippref (a2));
+
+ case FID_ADDR_MAC:
+ return mac_cmp (fid_addr_mac (a1), fid_addr_mac (a2));
+
+ default:
+ return -1;
+ }
+ return -1;
+}
+
+int
+sd_cmp (void *a1, void *a2)
+{
+ source_dest_t *sd1 = a1;
+ source_dest_t *sd2 = a2;
+
+ if (fid_addr_cmp (&sd_dst (sd1), &sd_dst (sd2)))
+ return -1;
+ if (fid_addr_cmp (&sd_src (sd1), &sd_src (sd2)))
+ return -1;
+ return 0;
+}
+
+/* Compare two gid_address_t.
+ * Returns:
+ * -1: If they are from different afi
+ * 0: Both address are the same
+ * 1: Addr1 is bigger than addr2
+ * 2: Addr2 is bigger than addr1
+ */
+int
+gid_address_cmp (gid_address_t * a1, gid_address_t * a2)
+{
+ lcaf_t *lcaf1, *lcaf2;
+ int cmp = -1;
+ if (!a1 || !a2)
+ return -1;
+ if (gid_address_type (a1) != gid_address_type (a2))
+ return -1;
+ if (gid_address_vni (a1) != gid_address_vni (a2))
+ return -1;
+ if (gid_address_vni_mask (a1) != gid_address_vni_mask (a2))
+ return -1;
+
+ switch (gid_address_type (a1))
+ {
+ case GID_ADDR_NO_ADDRESS:
+ if (a1 == a2)
+ cmp = 0;
+ else
+ cmp = 2;
+ break;
+ case GID_ADDR_IP_PREFIX:
+ cmp =
+ ip_prefix_cmp (&gid_address_ippref (a1), &gid_address_ippref (a2));
+ break;
+ case GID_ADDR_LCAF:
+ lcaf1 = &gid_address_lcaf (a1);
+ lcaf2 = &gid_address_lcaf (a2);
+ if (lcaf_type (lcaf1) == lcaf_type (lcaf2))
+ cmp = (*lcaf_cmp_fcts[lcaf_type (lcaf1)]) (lcaf1, lcaf2);
+ break;
+ case GID_ADDR_MAC:
+ cmp = mac_cmp (gid_address_mac (a1), gid_address_mac (a2));
+ break;
+
+ case GID_ADDR_SRC_DST:
+ cmp = sd_cmp (&gid_address_sd (a1), &gid_address_sd (a2));
+ break;
+ default:
+ break;
+ }
+
+ return cmp;
+}
+
+u32
+locator_parse (void *b, locator_t * loc)
+{
+ locator_hdr_t *h;
+ u8 status = 1; /* locator up */
+ int len;
+
+ h = b;
+ if (!LOC_REACHABLE (h) && LOC_LOCAL (h))
+ status = 0;
+
+ len = gid_address_parse (LOC_ADDR (h), &loc->address);
+ if (len == ~0)
+ return len;
+
+ loc->state = status;
+ loc->local = 0;
+ loc->priority = LOC_PRIORITY (h);
+ loc->weight = LOC_WEIGHT (h);
+ loc->mpriority = LOC_MPRIORITY (h);
+ loc->mweight = LOC_MWEIGHT (h);
+
+ return sizeof (locator_hdr_t) + len;
+}
+
+void
+locator_copy (locator_t * dst, locator_t * src)
+{
+ /* TODO if gid become more complex, this will need to be changed! */
+ clib_memcpy (dst, src, sizeof (*dst));
+ if (!src->local)
+ gid_address_copy (&dst->address, &src->address);
+}
+
+u32
+locator_cmp (locator_t * l1, locator_t * l2)
+{
+ u32 ret = 0;
+ if ((ret = gid_address_cmp (&l1->address, &l2->address)) != 0)
+ return 1;
+
+ if (l1->priority != l2->priority)
+ return 1;
+ if (l1->weight != l2->weight)
+ return 1;
+ if (l1->mpriority != l2->mpriority)
+ return 1;
+ if (l1->mweight != l2->mweight)
+ return 1;
+ return 0;
+}
+
+void
+locator_free (locator_t * l)
+{
+ if (!l->local)
+ gid_address_free (&l->address);
+}
+
+void
+build_src_dst (gid_address_t * sd, gid_address_t * src, gid_address_t * dst)
+{
+ memset (sd, 0, sizeof (*sd));
+ gid_address_type (sd) = GID_ADDR_SRC_DST;
+ gid_address_vni (sd) = gid_address_vni (dst);
+ gid_address_vni_mask (sd) = gid_address_vni_mask (dst);
+
+ switch (gid_address_type (dst))
+ {
+ case GID_ADDR_IP_PREFIX:
+ gid_address_sd_src_type (sd) = FID_ADDR_IP_PREF;
+ gid_address_sd_dst_type (sd) = FID_ADDR_IP_PREF;
+ ip_prefix_copy (&gid_address_sd_src_ippref (sd),
+ &gid_address_ippref (src));
+ ip_prefix_copy (&gid_address_sd_dst_ippref (sd),
+ &gid_address_ippref (dst));
+ break;
+ case GID_ADDR_MAC:
+ gid_address_sd_src_type (sd) = FID_ADDR_MAC;
+ gid_address_sd_dst_type (sd) = FID_ADDR_MAC;
+ mac_copy (gid_address_sd_src_mac (sd), gid_address_mac (src));
+ mac_copy (gid_address_sd_dst_mac (sd), gid_address_mac (dst));
+ break;
+ default:
+ clib_warning ("Unsupported gid type %d while conversion!",
+ gid_address_type (dst));
+ break;
+ }
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/lisp_types.h b/src/vnet/lisp-cp/lisp_types.h
new file mode 100644
index 00000000000..ac58b894c2d
--- /dev/null
+++ b/src/vnet/lisp-cp/lisp_types.h
@@ -0,0 +1,354 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VNET_LISP_GPE_LISP_TYPES_H_
+#define VNET_LISP_GPE_LISP_TYPES_H_
+
+#include <vnet/ip/ip.h>
+#include <vnet/lisp-cp/lisp_cp_messages.h>
+
+#define SHA1_AUTH_DATA_LEN 20
+#define SHA256_AUTH_DATA_LEN 32
+
+typedef enum
+{
+ HMAC_NO_KEY = 0,
+ HMAC_SHA_1_96,
+ HMAC_SHA_256_128
+} lisp_key_type_t;
+
+uword unformat_hmac_key_id (unformat_input_t * input, va_list * args);
+u8 *format_hmac_key_id (u8 * s, va_list * args);
+
+typedef enum
+{
+ IP4,
+ IP6
+} ip_address_type_t;
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED(struct ip_address
+{
+ union
+ {
+ ip4_address_t v4;
+ ip6_address_t v6;
+ } ip;
+ u8 version;
+}) ip_address_t;
+/* *INDENT-ON* */
+
+#define ip_addr_addr(_a) (_a)->ip
+#define ip_addr_v4(_a) (_a)->ip.v4
+#define ip_addr_v6(_a) (_a)->ip.v6
+#define ip_addr_version(_a) (_a)->version
+
+int ip_address_cmp (const ip_address_t * ip1, const ip_address_t * ip2);
+void ip_address_copy (ip_address_t * dst, const ip_address_t * src);
+void ip_address_copy_addr (void *dst, const ip_address_t * src);
+void ip_address_set (ip_address_t * dst, const void *src, u8 version);
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED(struct ip_prefix
+{
+ ip_address_t addr;
+ u8 len;
+}) ip_prefix_t;
+/* *INDENT-ON* */
+
+#define ip_prefix_addr(_a) (_a)->addr
+#define ip_prefix_version(_a) ip_addr_version(&ip_prefix_addr(_a))
+#define ip_prefix_len(_a) (_a)->len
+#define ip_prefix_v4(_a) ip_addr_v4(&ip_prefix_addr(_a))
+#define ip_prefix_v6(_a) ip_addr_v6(&ip_prefix_addr(_a))
+
+void ip_prefix_normalize (ip_prefix_t * a);
+
+extern void ip_address_to_fib_prefix (const ip_address_t * addr,
+ fib_prefix_t * prefix);
+extern void ip_prefix_to_fib_prefix (const ip_prefix_t * ipp,
+ fib_prefix_t * fibp);
+
+typedef enum
+{
+ /* NOTE: ip addresses are left out on purpose. Use max masked ip-prefixes
+ * instead */
+ GID_ADDR_IP_PREFIX,
+ GID_ADDR_LCAF,
+ GID_ADDR_MAC,
+ GID_ADDR_SRC_DST,
+ GID_ADDR_NO_ADDRESS,
+ GID_ADDR_TYPES
+} gid_address_type_t;
+
+typedef enum
+{
+ /* make sure that values corresponds with RFC */
+ LCAF_NULL_BODY = 0,
+ LCAF_AFI_LIST_TYPE,
+ LCAF_INSTANCE_ID,
+ LCAF_SOURCE_DEST = 12,
+ LCAF_TYPES
+} lcaf_type_t;
+
+typedef enum fid_addr_type_t_
+{
+ FID_ADDR_IP_PREF,
+ FID_ADDR_MAC
+} __attribute__ ((packed)) fid_addr_type_t;
+
+/* flat address type */
+typedef struct
+{
+ union
+ {
+ ip_prefix_t ippref;
+ u8 mac[6];
+ };
+ fid_addr_type_t type;
+} fid_address_t;
+
+typedef fid_address_t dp_address_t;
+
+#define fid_addr_ippref(_a) (_a)->ippref
+#define fid_addr_mac(_a) (_a)->mac
+#define fid_addr_type(_a) (_a)->type
+u8 *format_fid_address (u8 * s, va_list * args);
+
+typedef struct
+{
+ fid_address_t src;
+ fid_address_t dst;
+} source_dest_t;
+
+#define sd_dst(_a) (_a)->dst
+#define sd_src(_a) (_a)->src
+#define sd_src_ippref(_a) fid_addr_ippref(&sd_src(_a))
+#define sd_dst_ippref(_a) fid_addr_ippref(&sd_dst(_a))
+#define sd_src_mac(_a) fid_addr_mac(&sd_src(_a))
+#define sd_dst_mac(_a) fid_addr_mac(&sd_dst(_a))
+#define sd_src_type(_a) fid_addr_type(&sd_src(_a))
+#define sd_dst_type(_a) fid_addr_type(&sd_dst(_a))
+
+typedef struct
+{
+ u8 vni_mask_len;
+ u32 vni;
+ struct _gid_address_t *gid_addr;
+} vni_t;
+
+#define vni_vni(_a) (_a)->vni
+#define vni_mask_len(_a) (_a)->vni_mask_len
+#define vni_gid(_a) (_a)->gid_addr
+
+typedef struct
+{
+ /* the union needs to be at the beginning! */
+ union
+ {
+ source_dest_t sd;
+ vni_t uni;
+ };
+ u8 type;
+} lcaf_t;
+
+#define lcaf_type(_a) (_a)->type
+#define lcaf_vni(_a) vni_vni(& (_a)->uni)
+#define lcaf_vni_len(_a) vni_mask_len(& (_a)->uni)
+
+/* might want to expand this in the future :) */
+typedef struct _gid_address_t
+{
+ union
+ {
+ ip_prefix_t ippref;
+ lcaf_t lcaf;
+ u8 mac[6];
+ source_dest_t sd;
+ };
+ u8 type;
+ u32 vni;
+ u8 vni_mask;
+} gid_address_t;
+
+u8 *format_ip_address (u8 * s, va_list * args);
+uword unformat_ip_address (unformat_input_t * input, va_list * args);
+u8 *format_ip_prefix (u8 * s, va_list * args);
+uword unformat_ip_prefix (unformat_input_t * input, va_list * args);
+u8 *format_mac_address (u8 * s, va_list * args);
+uword unformat_mac_address (unformat_input_t * input, va_list * args);
+
+u16 ip4_address_size_to_put ();
+u16 ip6_address_size_to_put ();
+u32 ip4_address_put (u8 * b, ip4_address_t * a);
+u32 ip6_address_put (u8 * b, ip6_address_t * a);
+
+u16 ip_address_size_to_write (ip_address_t * a);
+u16 ip_address_iana_afi (ip_address_t * a);
+u8 ip_address_max_len (u8 ver);
+u32 ip_address_put (u8 * b, ip_address_t * a);
+void ip_address_to_46 (const ip_address_t * addr,
+ ip46_address_t * a, fib_protocol_t * proto);
+
+/* LISP AFI codes */
+typedef enum
+{
+ LISP_AFI_NO_ADDR,
+ LISP_AFI_IP,
+ LISP_AFI_IP6,
+ LISP_AFI_LCAF = 16387,
+ LISP_AFI_MAC = 16389
+} lisp_afi_e;
+
+u8 *format_gid_address (u8 * s, va_list * args);
+uword unformat_gid_address (unformat_input_t * input, va_list * args);
+int gid_address_cmp (gid_address_t * a1, gid_address_t * a2);
+void gid_address_free (gid_address_t * a);
+
+u16 gid_address_size_to_put (gid_address_t * a);
+u16 gid_address_put (u8 * b, gid_address_t * gid);
+u8 gid_address_len (gid_address_t * a);
+void *gid_address_cast (gid_address_t * gid, gid_address_type_t type);
+void gid_address_copy (gid_address_t * dst, gid_address_t * src);
+u32 gid_address_parse (u8 * offset, gid_address_t * a);
+void gid_address_ip_set (gid_address_t * dst, void *src, u8 version);
+
+#define gid_address_type(_a) (_a)->type
+#define gid_address_ippref(_a) (_a)->ippref
+#define gid_address_ippref_len(_a) (_a)->ippref.len
+#define gid_address_ip(_a) ip_prefix_addr(&gid_address_ippref(_a))
+#define gid_address_ip_version(_a) ip_addr_version(&gid_address_ip(_a))
+#define gid_address_lcaf(_a) (_a)->lcaf
+#define gid_address_mac(_a) (_a)->mac
+#define gid_address_vni(_a) (_a)->vni
+#define gid_address_vni_mask(_a) (_a)->vni_mask
+#define gid_address_sd_dst_ippref(_a) sd_dst_ippref(&(_a)->sd)
+#define gid_address_sd_src_ippref(_a) sd_src_ippref(&(_a)->sd)
+#define gid_address_sd_dst_mac(_a) sd_dst_mac(&(_a)->sd)
+#define gid_address_sd_src_mac(_a) sd_src_mac(&(_a)->sd)
+#define gid_address_sd(_a) (_a)->sd
+#define gid_address_sd_src(_a) sd_src(&gid_address_sd(_a))
+#define gid_address_sd_dst(_a) sd_dst(&gid_address_sd(_a))
+#define gid_address_sd_src_type(_a) sd_src_type(&gid_address_sd(_a))
+#define gid_address_sd_dst_type(_a) sd_dst_type(&gid_address_sd(_a))
+
+/* 'sub'address functions */
+#define foreach_gid_address_type_fcns \
+ _(ip_prefix) \
+ _(lcaf) \
+ _(mac) \
+ _(sd)
+
+/* *INDENT-OFF* */
+#define _(_n) \
+u16 _n ## _size_to_write (void * pref); \
+u16 _n ## _write (u8 * p, void * pref); \
+u8 _n ## _length (void *a); \
+void * _n ## _cast (gid_address_t * a); \
+void _n ## _copy (void * dst , void * src);
+
+foreach_gid_address_type_fcns
+#undef _
+/* *INDENT-ON* */
+
+always_inline u64
+mac_to_u64 (u8 * m)
+{
+ return (*((u64 *) m) & 0xffffffffffff);
+}
+
+typedef struct
+{
+ /* mark locator as local as opposed to remote */
+ u8 local;
+ u8 state;
+ union
+ {
+ u32 sw_if_index;
+ gid_address_t address;
+ };
+ u8 priority;
+ u8 weight;
+ u8 mpriority;
+ u8 mweight;
+ u8 probed;
+} locator_t;
+
+u32 locator_parse (void *ptr, locator_t * loc);
+void locator_copy (locator_t * dst, locator_t * src);
+u32 locator_cmp (locator_t * l1, locator_t * l2);
+void locator_free (locator_t * l);
+
+typedef struct
+{
+ /* locator-set name */
+ u8 *name;
+
+ /* vector of locator indices */
+ u32 *locator_indices;
+ u8 local;
+} locator_set_t;
+
+typedef struct
+{
+ gid_address_t eid;
+
+ /* index of local locator set */
+ union
+ {
+ u32 locator_set_index;
+ locator_t *locators; /* used for map register message */
+ };
+
+ u32 ttl;
+ u8 action;
+ u8 authoritative;
+
+ u8 local;
+ /* valid only for remote mappings */
+ u8 is_static;
+ u8 *key;
+ lisp_key_type_t key_id;
+ u8 timer_set;
+} mapping_t;
+
+uword
+unformat_negative_mapping_action (unformat_input_t * input, va_list * args);
+u8 *format_negative_mapping_action (u8 *, va_list * args);
+
+typedef struct locator_pair
+{
+ /* local and remote locators (underlay attachment points) */
+ ip_address_t lcl_loc;
+ ip_address_t rmt_loc;
+
+ u8 priority;
+ u8 weight;
+} locator_pair_t;
+
+void
+build_src_dst (gid_address_t * sd, gid_address_t * src, gid_address_t * dst);
+
+void gid_address_from_ip (gid_address_t * g, ip_address_t * ip);
+
+#endif /* VNET_LISP_GPE_LISP_TYPES_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/packets.c b/src/vnet/lisp-cp/packets.c
new file mode 100644
index 00000000000..3a4f421b02a
--- /dev/null
+++ b/src/vnet/lisp-cp/packets.c
@@ -0,0 +1,269 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/lisp-cp/packets.h>
+#include <vnet/lisp-cp/lisp_cp_messages.h>
+#include <vnet/ip/udp_packet.h>
+
+/* Returns IP ID for the packet */
+/* static u16 ip_id = 0;
+static inline u16
+get_IP_ID()
+{
+ ip_id++;
+ return (ip_id);
+} */
+
+u16
+udp_ip4_checksum (const void *b, u32 len, u8 * src, u8 * dst)
+{
+ const u16 *buf = b;
+ u16 *ip_src = (u16 *) src;
+ u16 *ip_dst = (u16 *) dst;
+ u32 length = len;
+ u32 sum = 0;
+
+ while (len > 1)
+ {
+ sum += *buf++;
+ if (sum & 0x80000000)
+ sum = (sum & 0xFFFF) + (sum >> 16);
+ len -= 2;
+ }
+
+ /* Add the padding if the packet length is odd */
+ if (len & 1)
+ sum += *((u8 *) buf);
+
+ /* Add the pseudo-header */
+ sum += *(ip_src++);
+ sum += *ip_src;
+
+ sum += *(ip_dst++);
+ sum += *ip_dst;
+
+ sum += clib_host_to_net_u16 (IP_PROTOCOL_UDP);
+ sum += clib_host_to_net_u16 (length);
+
+ /* Add the carries */
+ while (sum >> 16)
+ sum = (sum & 0xFFFF) + (sum >> 16);
+
+ /* Return the one's complement of sum */
+ return ((u16) (~sum));
+}
+
+u16
+udp_ip6_checksum (ip6_header_t * ip6, udp_header_t * up, u32 len)
+{
+ size_t i;
+ register const u16 *sp;
+ u32 sum;
+ union
+ {
+ struct
+ {
+ ip6_address_t ph_src;
+ ip6_address_t ph_dst;
+ u32 ph_len;
+ u8 ph_zero[3];
+ u8 ph_nxt;
+ } ph;
+ u16 pa[20];
+ } phu;
+
+ /* pseudo-header */
+ memset (&phu, 0, sizeof (phu));
+ phu.ph.ph_src = ip6->src_address;
+ phu.ph.ph_dst = ip6->dst_address;
+ phu.ph.ph_len = clib_host_to_net_u32 (len);
+ phu.ph.ph_nxt = IP_PROTOCOL_UDP;
+
+ sum = 0;
+ for (i = 0; i < sizeof (phu.pa) / sizeof (phu.pa[0]); i++)
+ sum += phu.pa[i];
+
+ sp = (const u16 *) up;
+
+ for (i = 0; i < (len & ~1); i += 2)
+ sum += *sp++;
+
+ if (len & 1)
+ sum += clib_host_to_net_u16 ((*(const u8 *) sp) << 8);
+
+ while (sum > 0xffff)
+ sum = (sum & 0xffff) + (sum >> 16);
+ sum = ~sum & 0xffff;
+
+ return (sum);
+}
+
+u16
+udp_checksum (udp_header_t * uh, u32 udp_len, void *ih, u8 version)
+{
+ switch (version)
+ {
+ case IP4:
+ return (udp_ip4_checksum (uh, udp_len,
+ ((ip4_header_t *) ih)->src_address.as_u8,
+ ((ip4_header_t *) ih)->dst_address.as_u8));
+ case IP6:
+ return (udp_ip6_checksum (ih, uh, udp_len));
+ default:
+ return ~0;
+ }
+}
+
+void *
+pkt_push_udp (vlib_main_t * vm, vlib_buffer_t * b, u16 sp, u16 dp)
+{
+ udp_header_t *uh;
+ u16 udp_len = sizeof (udp_header_t) + vlib_buffer_length_in_chain (vm, b);
+
+ uh = vlib_buffer_push_uninit (b, sizeof (*uh));
+
+ uh->src_port = clib_host_to_net_u16 (sp);
+ uh->dst_port = clib_host_to_net_u16 (dp);
+ uh->length = clib_host_to_net_u16 (udp_len);
+ uh->checksum = 0;
+ return uh;
+}
+
+void *
+pkt_push_ipv4 (vlib_main_t * vm, vlib_buffer_t * b, ip4_address_t * src,
+ ip4_address_t * dst, int proto)
+{
+ ip4_header_t *ih;
+
+ /* make some room */
+ ih = vlib_buffer_push_uninit (b, sizeof (ip4_header_t));
+
+ ih->ip_version_and_header_length = 0x45;
+ ih->tos = 0;
+ ih->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b));
+
+ /* iph->fragment_id = clib_host_to_net_u16(get_IP_ID ()); */
+
+ /* TODO: decide if we allow fragments in case of control */
+ ih->flags_and_fragment_offset = clib_host_to_net_u16 (IP_DF);
+ ih->ttl = 255;
+ ih->protocol = proto;
+ ih->src_address.as_u32 = src->as_u32;
+ ih->dst_address.as_u32 = dst->as_u32;
+
+ ih->checksum = ip4_header_checksum (ih);
+ return ih;
+}
+
+void *
+pkt_push_ipv6 (vlib_main_t * vm, vlib_buffer_t * b, ip6_address_t * src,
+ ip6_address_t * dst, int proto)
+{
+ ip6_header_t *ip6h;
+ u16 payload_length;
+
+ /* make some room */
+ ip6h = vlib_buffer_push_uninit (b, sizeof (ip6_header_t));
+
+ ip6h->ip_version_traffic_class_and_flow_label =
+ clib_host_to_net_u32 (0x6 << 28);
+
+ /* calculate ip6 payload length */
+ payload_length = vlib_buffer_length_in_chain (vm, b);
+ payload_length -= sizeof (*ip6h);
+
+ ip6h->payload_length = clib_host_to_net_u16 (payload_length);
+
+ ip6h->hop_limit = 0xff;
+ ip6h->protocol = proto;
+ clib_memcpy (ip6h->src_address.as_u8, src->as_u8,
+ sizeof (ip6h->src_address));
+ clib_memcpy (ip6h->dst_address.as_u8, dst->as_u8,
+ sizeof (ip6h->src_address));
+
+ return ip6h;
+}
+
+void *
+pkt_push_ip (vlib_main_t * vm, vlib_buffer_t * b, ip_address_t * src,
+ ip_address_t * dst, u32 proto)
+{
+ if (ip_addr_version (src) != ip_addr_version (dst))
+ {
+ clib_warning ("src %U and dst %U IP have different AFI! Discarding!",
+ format_ip_address, src, format_ip_address, dst);
+ return 0;
+ }
+
+ switch (ip_addr_version (src))
+ {
+ case IP4:
+ return pkt_push_ipv4 (vm, b, &ip_addr_v4 (src), &ip_addr_v4 (dst),
+ proto);
+ break;
+ case IP6:
+ return pkt_push_ipv6 (vm, b, &ip_addr_v6 (src), &ip_addr_v6 (dst),
+ proto);
+ break;
+ }
+
+ return 0;
+}
+
+void *
+pkt_push_udp_and_ip (vlib_main_t * vm, vlib_buffer_t * b, u16 sp, u16 dp,
+ ip_address_t * sip, ip_address_t * dip)
+{
+ u16 udpsum;
+ udp_header_t *uh;
+ void *ih;
+
+ uh = pkt_push_udp (vm, b, sp, dp);
+
+ ih = pkt_push_ip (vm, b, sip, dip, IP_PROTOCOL_UDP);
+
+ udpsum = udp_checksum (uh, clib_net_to_host_u16 (uh->length), ih,
+ ip_addr_version (sip));
+ if (udpsum == (u16) ~ 0)
+ {
+ clib_warning ("Failed UDP checksum! Discarding");
+ return 0;
+ }
+ uh->checksum = udpsum;
+ return ih;
+}
+
+void *
+pkt_push_ecm_hdr (vlib_buffer_t * b)
+{
+ ecm_hdr_t *h;
+ h = vlib_buffer_push_uninit (b, sizeof (h[0]));
+
+ memset (h, 0, sizeof (h[0]));
+ h->type = LISP_ENCAP_CONTROL_TYPE;
+ memset (h->reserved2, 0, sizeof (h->reserved2));
+
+ return h;
+}
+
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/lisp-cp/packets.h b/src/vnet/lisp-cp/packets.h
new file mode 100644
index 00000000000..212a1d78163
--- /dev/null
+++ b/src/vnet/lisp-cp/packets.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/lisp-cp/lisp_types.h>
+
+#define IP_DF 0x4000 /* don't fragment */
+
+void *pkt_push_ip (vlib_main_t * vm, vlib_buffer_t * b, ip_address_t * src,
+ ip_address_t * dst, u32 proto);
+
+void *pkt_push_udp_and_ip (vlib_main_t * vm, vlib_buffer_t * b, u16 sp,
+ u16 dp, ip_address_t * sip, ip_address_t * dip);
+
+void *pkt_push_ecm_hdr (vlib_buffer_t * b);
+
+always_inline u8 *
+vlib_buffer_get_tail (vlib_buffer_t * b)
+{
+ return b->data + b->current_data + b->current_length;
+}
+
+always_inline void *
+vlib_buffer_put_uninit (vlib_buffer_t * b, u8 size)
+{
+ /* XXX should make sure there's enough space! */
+ void *p = vlib_buffer_get_tail (b);
+ b->current_length += size;
+ return p;
+}
+
+always_inline void *
+vlib_buffer_push_uninit (vlib_buffer_t * b, u8 size)
+{
+ /* XXX should make sure there's enough space! */
+ ASSERT (b->current_data >= size);
+ b->current_data -= size;
+ b->current_length += size;
+
+ return vlib_buffer_get_current (b);
+}
+
+always_inline void *
+vlib_buffer_make_headroom (vlib_buffer_t * b, u8 size)
+{
+ /* XXX should make sure there's enough space! */
+ b->current_data += size;
+ return vlib_buffer_get_current (b);
+}
+
+always_inline void *
+vlib_buffer_pull (vlib_buffer_t * b, u8 size)
+{
+ if (b->current_length < size)
+ return 0;
+
+ void *data = vlib_buffer_get_current (b);
+ vlib_buffer_advance (b, size);
+ return data;
+}
+
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */