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-rw-r--r--src/vnet/ip/ip_api.c1196
1 files changed, 1196 insertions, 0 deletions
diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c
new file mode 100644
index 00000000000..cd9b7397d29
--- /dev/null
+++ b/src/vnet/ip/ip_api.c
@@ -0,0 +1,1196 @@
+/*
+ *------------------------------------------------------------------
+ * ip_api.c - vnet ip 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/ethernet/ethernet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ip/ip6_neighbor.h>
+#include <vnet/fib/fib_table.h>
+#include <vnet/fib/fib_api.h>
+#include <vnet/dpo/drop_dpo.h>
+#include <vnet/dpo/receive_dpo.h>
+#include <vnet/dpo/lookup_dpo.h>
+#include <vnet/dpo/classify_dpo.h>
+#include <vnet/dpo/ip_null_dpo.h>
+#include <vnet/ethernet/arp_packet.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_ip_api_msg \
+_(IP_FIB_DUMP, ip_fib_dump) \
+_(IP_FIB_DETAILS, ip_fib_details) \
+_(IP6_FIB_DUMP, ip6_fib_dump) \
+_(IP6_FIB_DETAILS, ip6_fib_details) \
+_(IP_NEIGHBOR_DUMP, ip_neighbor_dump) \
+_(IP_NEIGHBOR_DETAILS, ip_neighbor_details) \
+_(IP_ADDRESS_DUMP, ip_address_dump) \
+_(IP_DUMP, ip_dump) \
+_(IP_NEIGHBOR_ADD_DEL, ip_neighbor_add_del) \
+_(IP_ADD_DEL_ROUTE, ip_add_del_route) \
+_(SET_IP_FLOW_HASH,set_ip_flow_hash) \
+_(SW_INTERFACE_IP6ND_RA_CONFIG, sw_interface_ip6nd_ra_config) \
+_(SW_INTERFACE_IP6ND_RA_PREFIX, sw_interface_ip6nd_ra_prefix) \
+_(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \
+_(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS, \
+ sw_interface_ip6_set_link_local_address)
+
+extern void stats_dslock_with_hint (int hint, int tag);
+extern void stats_dsunlock (void);
+
+static void
+send_ip_neighbor_details (u8 is_ipv6,
+ u8 is_static,
+ u8 * mac_address,
+ u8 * ip_address,
+ unix_shared_memory_queue_t * q, u32 context)
+{
+ vl_api_ip_neighbor_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP_NEIGHBOR_DETAILS);
+ mp->context = context;
+ mp->is_ipv6 = is_ipv6;
+ mp->is_static = is_static;
+ memcpy (mp->mac_address, mac_address, 6);
+ memcpy (mp->ip_address, ip_address, (is_ipv6) ? 16 : 4);
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void
+vl_api_ip_neighbor_details_t_handler (vl_api_ip_neighbor_details_t * mp)
+{
+ clib_warning ("BUG");
+}
+
+static void
+vl_api_ip_neighbor_dump_t_handler (vl_api_ip_neighbor_dump_t * mp)
+{
+ unix_shared_memory_queue_t *q;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ return;
+
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+
+ if (mp->is_ipv6)
+ {
+ ip6_neighbor_t *n, *ns;
+
+ ns = ip6_neighbors_entries (sw_if_index);
+ /* *INDENT-OFF* */
+ vec_foreach (n, ns)
+ {
+ send_ip_neighbor_details
+ (mp->is_ipv6, ((n->flags & IP6_NEIGHBOR_FLAG_STATIC) ? 1 : 0),
+ (u8 *) n->link_layer_address,
+ (u8 *) & (n->key.ip6_address.as_u8),
+ q, mp->context);
+ }
+ /* *INDENT-ON* */
+ vec_free (ns);
+ }
+ else
+ {
+ ethernet_arp_ip4_entry_t *n, *ns;
+
+ ns = ip4_neighbor_entries (sw_if_index);
+ /* *INDENT-OFF* */
+ vec_foreach (n, ns)
+ {
+ send_ip_neighbor_details (mp->is_ipv6,
+ ((n->flags & ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC) ? 1 : 0),
+ (u8*) n->ethernet_address,
+ (u8*) & (n->ip4_address.as_u8),
+ q, mp->context);
+ }
+ /* *INDENT-ON* */
+ vec_free (ns);
+ }
+}
+
+
+void
+copy_fib_next_hop (fib_route_path_encode_t * api_rpath, void *fp_arg)
+{
+ int is_ip4;
+ vl_api_fib_path_t *fp = (vl_api_fib_path_t *) fp_arg;
+
+ if (api_rpath->rpath.frp_proto == FIB_PROTOCOL_IP4)
+ fp->afi = IP46_TYPE_IP4;
+ else if (api_rpath->rpath.frp_proto == FIB_PROTOCOL_IP6)
+ fp->afi = IP46_TYPE_IP6;
+ else
+ {
+ is_ip4 = ip46_address_is_ip4 (&api_rpath->rpath.frp_addr);
+ if (is_ip4)
+ fp->afi = IP46_TYPE_IP4;
+ else
+ fp->afi = IP46_TYPE_IP6;
+ }
+ if (fp->afi == IP46_TYPE_IP4)
+ memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip4,
+ sizeof (api_rpath->rpath.frp_addr.ip4));
+ else
+ memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip6,
+ sizeof (api_rpath->rpath.frp_addr.ip6));
+}
+
+static void
+vl_api_ip_fib_details_t_handler (vl_api_ip_fib_details_t * mp)
+{
+ clib_warning ("BUG");
+}
+
+static void
+vl_api_ip_fib_details_t_endian (vl_api_ip_fib_details_t * mp)
+{
+ clib_warning ("BUG");
+}
+
+static void
+vl_api_ip_fib_details_t_print (vl_api_ip_fib_details_t * mp)
+{
+ clib_warning ("BUG");
+}
+
+static void
+send_ip_fib_details (vpe_api_main_t * am,
+ unix_shared_memory_queue_t * q,
+ u32 table_id, fib_prefix_t * pfx,
+ fib_route_path_encode_t * api_rpaths, u32 context)
+{
+ vl_api_ip_fib_details_t *mp;
+ fib_route_path_encode_t *api_rpath;
+ vl_api_fib_path_t *fp;
+ int path_count;
+
+ path_count = vec_len (api_rpaths);
+ mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
+ if (!mp)
+ return;
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS);
+ mp->context = context;
+
+ mp->table_id = htonl (table_id);
+ mp->address_length = pfx->fp_len;
+ memcpy (mp->address, &pfx->fp_addr.ip4, sizeof (pfx->fp_addr.ip4));
+
+ mp->count = htonl (path_count);
+ fp = mp->path;
+ vec_foreach (api_rpath, api_rpaths)
+ {
+ memset (fp, 0, sizeof (*fp));
+ switch (api_rpath->dpo.dpoi_type)
+ {
+ case DPO_RECEIVE:
+ fp->is_local = true;
+ break;
+ case DPO_DROP:
+ fp->is_drop = true;
+ break;
+ case DPO_IP_NULL:
+ switch (api_rpath->dpo.dpoi_index)
+ {
+ case IP_NULL_ACTION_NONE:
+ fp->is_drop = true;
+ break;
+ case IP_NULL_ACTION_SEND_ICMP_UNREACH:
+ fp->is_unreach = true;
+ break;
+ case IP_NULL_ACTION_SEND_ICMP_PROHIBIT:
+ fp->is_prohibit = true;
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ fp->weight = htonl (api_rpath->rpath.frp_weight);
+ fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
+ copy_fib_next_hop (api_rpath, fp);
+ fp++;
+ }
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void
+vl_api_ip_fib_dump_t_handler (vl_api_ip_fib_dump_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ unix_shared_memory_queue_t *q;
+ ip4_main_t *im = &ip4_main;
+ fib_table_t *fib_table;
+ fib_node_index_t lfei, *lfeip, *lfeis = NULL;
+ mpls_label_t key;
+ fib_prefix_t pfx;
+ u32 fib_index;
+ fib_route_path_encode_t *api_rpaths;
+ int i;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ return;
+
+ /* *INDENT-OFF* */
+ pool_foreach (fib_table, im->fibs,
+ ({
+ for (i = 0; i < ARRAY_LEN (fib_table->v4.fib_entry_by_dst_address); i++)
+ {
+ hash_foreach(key, lfei, fib_table->v4.fib_entry_by_dst_address[i],
+ ({
+ vec_add1(lfeis, lfei);
+ }));
+ }
+ }));
+ /* *INDENT-ON* */
+
+ vec_sort_with_function (lfeis, fib_entry_cmp_for_sort);
+
+ vec_foreach (lfeip, lfeis)
+ {
+ fib_entry_get_prefix (*lfeip, &pfx);
+ fib_index = fib_entry_get_fib_index (*lfeip);
+ fib_table = fib_table_get (fib_index, pfx.fp_proto);
+ api_rpaths = NULL;
+ fib_entry_encode (*lfeip, &api_rpaths);
+ send_ip_fib_details (am, q,
+ fib_table->ft_table_id, &pfx, api_rpaths,
+ mp->context);
+ vec_free (api_rpaths);
+ }
+
+ vec_free (lfeis);
+}
+
+static void
+vl_api_ip6_fib_details_t_handler (vl_api_ip6_fib_details_t * mp)
+{
+ clib_warning ("BUG");
+}
+
+static void
+vl_api_ip6_fib_details_t_endian (vl_api_ip6_fib_details_t * mp)
+{
+ clib_warning ("BUG");
+}
+
+static void
+vl_api_ip6_fib_details_t_print (vl_api_ip6_fib_details_t * mp)
+{
+ clib_warning ("BUG");
+}
+
+static void
+send_ip6_fib_details (vpe_api_main_t * am,
+ unix_shared_memory_queue_t * q,
+ u32 table_id, fib_prefix_t * pfx,
+ fib_route_path_encode_t * api_rpaths, u32 context)
+{
+ vl_api_ip6_fib_details_t *mp;
+ fib_route_path_encode_t *api_rpath;
+ vl_api_fib_path_t *fp;
+ int path_count;
+
+ path_count = vec_len (api_rpaths);
+ mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
+ if (!mp)
+ return;
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS);
+ mp->context = context;
+
+ mp->table_id = htonl (table_id);
+ mp->address_length = pfx->fp_len;
+ memcpy (mp->address, &pfx->fp_addr.ip6, sizeof (pfx->fp_addr.ip6));
+
+ mp->count = htonl (path_count);
+ fp = mp->path;
+ vec_foreach (api_rpath, api_rpaths)
+ {
+ memset (fp, 0, sizeof (*fp));
+ switch (api_rpath->dpo.dpoi_type)
+ {
+ case DPO_RECEIVE:
+ fp->is_local = true;
+ break;
+ case DPO_DROP:
+ fp->is_drop = true;
+ break;
+ case DPO_IP_NULL:
+ switch (api_rpath->dpo.dpoi_index)
+ {
+ case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_NONE:
+ fp->is_drop = true;
+ break;
+ case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_UNREACH:
+ fp->is_unreach = true;
+ break;
+ case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_PROHIBIT:
+ fp->is_prohibit = true;
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ fp->weight = htonl (api_rpath->rpath.frp_weight);
+ fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
+ copy_fib_next_hop (api_rpath, fp);
+ fp++;
+ }
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+typedef struct apt_ip6_fib_show_ctx_t_
+{
+ u32 fib_index;
+ fib_node_index_t *entries;
+} api_ip6_fib_show_ctx_t;
+
+static void
+api_ip6_fib_table_put_entries (clib_bihash_kv_24_8_t * kvp, void *arg)
+{
+ api_ip6_fib_show_ctx_t *ctx = arg;
+
+ if ((kvp->key[2] >> 32) == ctx->fib_index)
+ {
+ vec_add1 (ctx->entries, kvp->value);
+ }
+}
+
+static void
+api_ip6_fib_table_get_all (unix_shared_memory_queue_t * q,
+ vl_api_ip6_fib_dump_t * mp,
+ fib_table_t * fib_table)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ ip6_main_t *im6 = &ip6_main;
+ ip6_fib_t *fib = &fib_table->v6;
+ fib_node_index_t *fib_entry_index;
+ api_ip6_fib_show_ctx_t ctx = {
+ .fib_index = fib->index,.entries = NULL,
+ };
+ fib_route_path_encode_t *api_rpaths;
+ fib_prefix_t pfx;
+
+ BV (clib_bihash_foreach_key_value_pair)
+ ((BVT (clib_bihash) *) & im6->ip6_table[IP6_FIB_TABLE_NON_FWDING].
+ ip6_hash, api_ip6_fib_table_put_entries, &ctx);
+
+ vec_sort_with_function (ctx.entries, fib_entry_cmp_for_sort);
+
+ vec_foreach (fib_entry_index, ctx.entries)
+ {
+ fib_entry_get_prefix (*fib_entry_index, &pfx);
+ api_rpaths = NULL;
+ fib_entry_encode (*fib_entry_index, &api_rpaths);
+ send_ip6_fib_details (am, q,
+ fib_table->ft_table_id,
+ &pfx, api_rpaths, mp->context);
+ vec_free (api_rpaths);
+ }
+
+ vec_free (ctx.entries);
+}
+
+static void
+vl_api_ip6_fib_dump_t_handler (vl_api_ip6_fib_dump_t * mp)
+{
+ unix_shared_memory_queue_t *q;
+ ip6_main_t *im6 = &ip6_main;
+ fib_table_t *fib_table;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ return;
+
+ /* *INDENT-OFF* */
+ pool_foreach (fib_table, im6->fibs,
+ ({
+ api_ip6_fib_table_get_all(q, mp, fib_table);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_ip_neighbor_add_del_t_handler (vl_api_ip_neighbor_add_del_t * mp,
+ vlib_main_t * vm)
+{
+ vl_api_ip_neighbor_add_del_reply_t *rmp;
+ vnet_main_t *vnm = vnet_get_main ();
+ int rv = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ stats_dslock_with_hint (1 /* release hint */ , 7 /* tag */ );
+
+ /*
+ * there's no validation here of the ND/ARP entry being added.
+ * The expectation is that the FIB will ensure that nothing bad
+ * will come of adding bogus entries.
+ */
+ if (mp->is_ipv6)
+ {
+ if (mp->is_add)
+ rv = vnet_set_ip6_ethernet_neighbor
+ (vm, ntohl (mp->sw_if_index),
+ (ip6_address_t *) (mp->dst_address),
+ mp->mac_address, sizeof (mp->mac_address), mp->is_static);
+ else
+ rv = vnet_unset_ip6_ethernet_neighbor
+ (vm, ntohl (mp->sw_if_index),
+ (ip6_address_t *) (mp->dst_address),
+ mp->mac_address, sizeof (mp->mac_address));
+ }
+ else
+ {
+ ethernet_arp_ip4_over_ethernet_address_t a;
+
+ clib_memcpy (&a.ethernet, mp->mac_address, 6);
+ clib_memcpy (&a.ip4, mp->dst_address, 4);
+
+ if (mp->is_add)
+ rv = vnet_arp_set_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index),
+ &a, mp->is_static);
+ else
+ rv =
+ vnet_arp_unset_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index), &a);
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ stats_dsunlock ();
+ REPLY_MACRO (VL_API_IP_NEIGHBOR_ADD_DEL_REPLY);
+}
+
+int
+add_del_route_t_handler (u8 is_multipath,
+ u8 is_add,
+ u8 is_drop,
+ u8 is_unreach,
+ u8 is_prohibit,
+ u8 is_local,
+ u8 is_classify,
+ u32 classify_table_index,
+ u8 is_resolve_host,
+ u8 is_resolve_attached,
+ u32 fib_index,
+ const fib_prefix_t * prefix,
+ u8 next_hop_proto_is_ip4,
+ const ip46_address_t * next_hop,
+ u32 next_hop_sw_if_index,
+ u8 next_hop_fib_index,
+ u32 next_hop_weight,
+ mpls_label_t next_hop_via_label,
+ mpls_label_t * next_hop_out_label_stack)
+{
+ vnet_classify_main_t *cm = &vnet_classify_main;
+ fib_route_path_flags_t path_flags = FIB_ROUTE_PATH_FLAG_NONE;
+ fib_route_path_t path = {
+ .frp_proto = (next_hop_proto_is_ip4 ?
+ FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6),
+ .frp_addr = (NULL == next_hop ? zero_addr : *next_hop),
+ .frp_sw_if_index = next_hop_sw_if_index,
+ .frp_fib_index = next_hop_fib_index,
+ .frp_weight = next_hop_weight,
+ .frp_label_stack = next_hop_out_label_stack,
+ };
+ fib_route_path_t *paths = NULL;
+
+ if (MPLS_LABEL_INVALID != next_hop_via_label)
+ {
+ path.frp_proto = FIB_PROTOCOL_MPLS;
+ path.frp_local_label = next_hop_via_label;
+ }
+ if (is_resolve_host)
+ path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_HOST;
+ if (is_resolve_attached)
+ path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED;
+
+ path.frp_flags = path_flags;
+
+ if (is_multipath)
+ {
+ stats_dslock_with_hint (1 /* release hint */ , 10 /* tag */ );
+
+
+ vec_add1 (paths, path);
+
+ if (is_add)
+ fib_table_entry_path_add2 (fib_index,
+ prefix,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_NONE, paths);
+ else
+ fib_table_entry_path_remove2 (fib_index,
+ prefix, FIB_SOURCE_API, paths);
+
+ vec_free (paths);
+ stats_dsunlock ();
+ return 0;
+ }
+
+ stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
+
+ if (is_drop || is_local || is_classify || is_unreach || is_prohibit)
+ {
+ /*
+ * special route types that link directly to the adj
+ */
+ if (is_add)
+ {
+ dpo_id_t dpo = DPO_INVALID;
+ dpo_proto_t dproto;
+
+ dproto = fib_proto_to_dpo (prefix->fp_proto);
+
+ if (is_drop)
+ ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_NONE, &dpo);
+ else if (is_local)
+ receive_dpo_add_or_lock (dproto, ~0, NULL, &dpo);
+ else if (is_unreach)
+ ip_null_dpo_add_and_lock (dproto,
+ IP_NULL_ACTION_SEND_ICMP_UNREACH, &dpo);
+ else if (is_prohibit)
+ ip_null_dpo_add_and_lock (dproto,
+ IP_NULL_ACTION_SEND_ICMP_PROHIBIT,
+ &dpo);
+ else if (is_classify)
+ {
+ if (pool_is_free_index (cm->tables,
+ ntohl (classify_table_index)))
+ {
+ stats_dsunlock ();
+ return VNET_API_ERROR_NO_SUCH_TABLE;
+ }
+
+ dpo_set (&dpo, DPO_CLASSIFY, dproto,
+ classify_dpo_create (dproto,
+ ntohl (classify_table_index)));
+ }
+ else
+ {
+ stats_dsunlock ();
+ return VNET_API_ERROR_NO_SUCH_TABLE;
+ }
+
+ fib_table_entry_special_dpo_update (fib_index,
+ prefix,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
+ dpo_reset (&dpo);
+ }
+ else
+ {
+ fib_table_entry_special_remove (fib_index, prefix, FIB_SOURCE_API);
+ }
+ }
+ else
+ {
+ if (is_add)
+ {
+ vec_add1 (paths, path);
+ fib_table_entry_update (fib_index,
+ prefix,
+ FIB_SOURCE_API, FIB_ENTRY_FLAG_NONE, paths);
+ vec_free (paths);
+ }
+ else
+ {
+ fib_table_entry_delete (fib_index, prefix, FIB_SOURCE_API);
+ }
+ }
+
+ stats_dsunlock ();
+ return (0);
+}
+
+int
+add_del_route_check (fib_protocol_t table_proto,
+ u32 table_id,
+ u32 next_hop_sw_if_index,
+ fib_protocol_t next_hop_table_proto,
+ u32 next_hop_table_id,
+ u8 create_missing_tables,
+ u32 * fib_index, u32 * next_hop_fib_index)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+
+ *fib_index = fib_table_find (table_proto, ntohl (table_id));
+ if (~0 == *fib_index)
+ {
+ if (create_missing_tables)
+ {
+ *fib_index = fib_table_find_or_create_and_lock (table_proto,
+ ntohl (table_id));
+ }
+ else
+ {
+ /* No such VRF, and we weren't asked to create one */
+ return VNET_API_ERROR_NO_SUCH_FIB;
+ }
+ }
+
+ if (~0 != ntohl (next_hop_sw_if_index))
+ {
+ if (pool_is_free_index (vnm->interface_main.sw_interfaces,
+ ntohl (next_hop_sw_if_index)))
+ {
+ return VNET_API_ERROR_NO_MATCHING_INTERFACE;
+ }
+ }
+ else
+ {
+ *next_hop_fib_index = fib_table_find (next_hop_table_proto,
+ ntohl (next_hop_table_id));
+
+ if (~0 == *next_hop_fib_index)
+ {
+ if (create_missing_tables)
+ {
+ *next_hop_fib_index =
+ fib_table_find_or_create_and_lock (next_hop_table_proto,
+ ntohl (next_hop_table_id));
+ }
+ else
+ {
+ /* No such VRF, and we weren't asked to create one */
+ return VNET_API_ERROR_NO_SUCH_FIB;
+ }
+ }
+ }
+
+ return (0);
+}
+
+static int
+ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
+{
+ u32 fib_index, next_hop_fib_index;
+ mpls_label_t *label_stack = NULL;
+ int rv, ii, n_labels;;
+
+ rv = add_del_route_check (FIB_PROTOCOL_IP4,
+ mp->table_id,
+ mp->next_hop_sw_if_index,
+ FIB_PROTOCOL_IP4,
+ mp->next_hop_table_id,
+ mp->create_vrf_if_needed,
+ &fib_index, &next_hop_fib_index);
+
+ if (0 != rv)
+ return (rv);
+
+ fib_prefix_t pfx = {
+ .fp_len = mp->dst_address_length,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ };
+ clib_memcpy (&pfx.fp_addr.ip4, mp->dst_address, sizeof (pfx.fp_addr.ip4));
+
+ ip46_address_t nh;
+ memset (&nh, 0, sizeof (nh));
+ memcpy (&nh.ip4, mp->next_hop_address, sizeof (nh.ip4));
+
+ n_labels = mp->next_hop_n_out_labels;
+ if (n_labels == 0)
+ ;
+ else if (1 == n_labels)
+ vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
+ else
+ {
+ vec_validate (label_stack, n_labels - 1);
+ for (ii = 0; ii < n_labels; ii++)
+ label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
+ }
+
+ return (add_del_route_t_handler (mp->is_multipath,
+ mp->is_add,
+ mp->is_drop,
+ mp->is_unreach,
+ mp->is_prohibit,
+ mp->is_local,
+ mp->is_classify,
+ mp->classify_table_index,
+ mp->is_resolve_host,
+ mp->is_resolve_attached,
+ fib_index, &pfx, 1,
+ &nh,
+ ntohl (mp->next_hop_sw_if_index),
+ next_hop_fib_index,
+ mp->next_hop_weight,
+ ntohl (mp->next_hop_via_label),
+ label_stack));
+}
+
+static int
+ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
+{
+ u32 fib_index, next_hop_fib_index;
+ mpls_label_t *label_stack = NULL;
+ int rv, ii, n_labels;;
+
+ rv = add_del_route_check (FIB_PROTOCOL_IP6,
+ mp->table_id,
+ mp->next_hop_sw_if_index,
+ FIB_PROTOCOL_IP6,
+ mp->next_hop_table_id,
+ mp->create_vrf_if_needed,
+ &fib_index, &next_hop_fib_index);
+
+ if (0 != rv)
+ return (rv);
+
+ fib_prefix_t pfx = {
+ .fp_len = mp->dst_address_length,
+ .fp_proto = FIB_PROTOCOL_IP6,
+ };
+ clib_memcpy (&pfx.fp_addr.ip6, mp->dst_address, sizeof (pfx.fp_addr.ip6));
+
+ ip46_address_t nh;
+ memset (&nh, 0, sizeof (nh));
+ memcpy (&nh.ip6, mp->next_hop_address, sizeof (nh.ip6));
+
+ n_labels = mp->next_hop_n_out_labels;
+ if (n_labels == 0)
+ ;
+ else if (1 == n_labels)
+ vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
+ else
+ {
+ vec_validate (label_stack, n_labels - 1);
+ for (ii = 0; ii < n_labels; ii++)
+ label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
+ }
+
+ return (add_del_route_t_handler (mp->is_multipath,
+ mp->is_add,
+ mp->is_drop,
+ mp->is_unreach,
+ mp->is_prohibit,
+ mp->is_local,
+ mp->is_classify,
+ mp->classify_table_index,
+ mp->is_resolve_host,
+ mp->is_resolve_attached,
+ fib_index, &pfx, 0,
+ &nh, ntohl (mp->next_hop_sw_if_index),
+ next_hop_fib_index,
+ mp->next_hop_weight,
+ ntohl (mp->next_hop_via_label),
+ label_stack));
+}
+
+void
+vl_api_ip_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
+{
+ vl_api_ip_add_del_route_reply_t *rmp;
+ int rv;
+ vnet_main_t *vnm = vnet_get_main ();
+
+ vnm->api_errno = 0;
+
+ if (mp->is_ipv6)
+ rv = ip6_add_del_route_t_handler (mp);
+ else
+ rv = ip4_add_del_route_t_handler (mp);
+
+ rv = (rv == 0) ? vnm->api_errno : rv;
+
+ REPLY_MACRO (VL_API_IP_ADD_DEL_ROUTE_REPLY);
+}
+
+static void
+send_ip_details (vpe_api_main_t * am,
+ unix_shared_memory_queue_t * q, u32 sw_if_index, u32 context)
+{
+ vl_api_ip_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP_DETAILS);
+
+ mp->sw_if_index = ntohl (sw_if_index);
+ mp->context = context;
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void
+send_ip_address_details (vpe_api_main_t * am,
+ unix_shared_memory_queue_t * q,
+ u8 * ip, u16 prefix_length, u8 is_ipv6, u32 context)
+{
+ vl_api_ip_address_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_IP_ADDRESS_DETAILS);
+
+ if (is_ipv6)
+ {
+ clib_memcpy (&mp->ip, ip, sizeof (mp->ip));
+ }
+ else
+ {
+ u32 *tp = (u32 *) mp->ip;
+ *tp = *(u32 *) ip;
+ }
+ mp->prefix_length = prefix_length;
+ mp->context = context;
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void
+vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ unix_shared_memory_queue_t *q;
+ ip6_address_t *r6;
+ ip4_address_t *r4;
+ ip6_main_t *im6 = &ip6_main;
+ ip4_main_t *im4 = &ip4_main;
+ ip_lookup_main_t *lm6 = &im6->lookup_main;
+ ip_lookup_main_t *lm4 = &im4->lookup_main;
+ ip_interface_address_t *ia = 0;
+ u32 sw_if_index = ~0;
+ int rv __attribute__ ((unused)) = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ sw_if_index = ntohl (mp->sw_if_index);
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ return;
+
+ if (mp->is_ipv6)
+ {
+ /* *INDENT-OFF* */
+ foreach_ip_interface_address (lm6, ia, sw_if_index,
+ 1 /* honor unnumbered */,
+ ({
+ r6 = ip_interface_address_get_address (lm6, ia);
+ u16 prefix_length = ia->address_length;
+ send_ip_address_details(am, q, (u8*)r6, prefix_length, 1, mp->context);
+ }));
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ /* *INDENT-OFF* */
+ foreach_ip_interface_address (lm4, ia, sw_if_index,
+ 1 /* honor unnumbered */,
+ ({
+ r4 = ip_interface_address_get_address (lm4, ia);
+ u16 prefix_length = ia->address_length;
+ send_ip_address_details(am, q, (u8*)r4, prefix_length, 0, mp->context);
+ }));
+ /* *INDENT-ON* */
+ }
+ BAD_SW_IF_INDEX_LABEL;
+}
+
+static void
+vl_api_ip_dump_t_handler (vl_api_ip_dump_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ unix_shared_memory_queue_t *q;
+ vnet_sw_interface_t *si, *sorted_sis;
+ u32 sw_if_index = ~0;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ /* Gather interfaces. */
+ sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
+ _vec_len (sorted_sis) = 0;
+ /* *INDENT-OFF* */
+ pool_foreach (si, im->sw_interfaces,
+ ({
+ vec_add1 (sorted_sis, si[0]);
+ }));
+ /* *INDENT-ON* */
+
+ vec_foreach (si, sorted_sis)
+ {
+ if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
+ {
+ if (mp->is_ipv6 && !ip6_interface_enabled (vm, si->sw_if_index))
+ {
+ continue;
+ }
+ sw_if_index = si->sw_if_index;
+ send_ip_details (am, q, sw_if_index, mp->context);
+ }
+ }
+}
+
+static void
+set_ip6_flow_hash (vl_api_set_ip_flow_hash_t * mp)
+{
+ vl_api_set_ip_flow_hash_reply_t *rmp;
+ int rv = VNET_API_ERROR_UNIMPLEMENTED;
+
+ clib_warning ("unimplemented...");
+
+ REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
+}
+
+static void
+set_ip4_flow_hash (vl_api_set_ip_flow_hash_t * mp)
+{
+ vl_api_set_ip_flow_hash_reply_t *rmp;
+ int rv;
+ u32 table_id;
+ flow_hash_config_t flow_hash_config = 0;
+
+ table_id = ntohl (mp->vrf_id);
+
+#define _(a,b) if (mp->a) flow_hash_config |= b;
+ foreach_flow_hash_bit;
+#undef _
+
+ rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
+
+ REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
+}
+
+
+static void
+vl_api_set_ip_flow_hash_t_handler (vl_api_set_ip_flow_hash_t * mp)
+{
+ if (mp->is_ipv6 == 0)
+ set_ip4_flow_hash (mp);
+ else
+ set_ip6_flow_hash (mp);
+}
+
+static void
+ vl_api_sw_interface_ip6nd_ra_config_t_handler
+ (vl_api_sw_interface_ip6nd_ra_config_t * mp)
+{
+ vl_api_sw_interface_ip6nd_ra_config_reply_t *rmp;
+ vlib_main_t *vm = vlib_get_main ();
+ int rv = 0;
+ u8 is_no, suppress, managed, other, ll_option, send_unicast, cease,
+ default_router;
+
+ is_no = mp->is_no == 1;
+ suppress = mp->suppress == 1;
+ managed = mp->managed == 1;
+ other = mp->other == 1;
+ ll_option = mp->ll_option == 1;
+ send_unicast = mp->send_unicast == 1;
+ cease = mp->cease == 1;
+ default_router = mp->default_router == 1;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ rv = ip6_neighbor_ra_config (vm, ntohl (mp->sw_if_index),
+ suppress, managed, other,
+ ll_option, send_unicast, cease,
+ default_router, ntohl (mp->lifetime),
+ ntohl (mp->initial_count),
+ ntohl (mp->initial_interval),
+ ntohl (mp->max_interval),
+ ntohl (mp->min_interval), is_no);
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY);
+}
+
+static void
+ vl_api_sw_interface_ip6nd_ra_prefix_t_handler
+ (vl_api_sw_interface_ip6nd_ra_prefix_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_sw_interface_ip6nd_ra_prefix_reply_t *rmp;
+ int rv = 0;
+ u8 is_no, use_default, no_advertise, off_link, no_autoconfig, no_onlink;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ is_no = mp->is_no == 1;
+ use_default = mp->use_default == 1;
+ no_advertise = mp->no_advertise == 1;
+ off_link = mp->off_link == 1;
+ no_autoconfig = mp->no_autoconfig == 1;
+ no_onlink = mp->no_onlink == 1;
+
+ rv = ip6_neighbor_ra_prefix (vm, ntohl (mp->sw_if_index),
+ (ip6_address_t *) mp->address,
+ mp->address_length, use_default,
+ ntohl (mp->val_lifetime),
+ ntohl (mp->pref_lifetime), no_advertise,
+ off_link, no_autoconfig, no_onlink, is_no);
+
+ BAD_SW_IF_INDEX_LABEL;
+ REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY);
+}
+
+static void
+ vl_api_sw_interface_ip6_enable_disable_t_handler
+ (vl_api_sw_interface_ip6_enable_disable_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_sw_interface_ip6_enable_disable_reply_t *rmp;
+ vnet_main_t *vnm = vnet_get_main ();
+ int rv = 0;
+ clib_error_t *error;
+
+ vnm->api_errno = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ error =
+ (mp->enable == 1) ? enable_ip6_interface (vm,
+ ntohl (mp->sw_if_index)) :
+ disable_ip6_interface (vm, ntohl (mp->sw_if_index));
+
+ if (error)
+ {
+ clib_error_report (error);
+ rv = VNET_API_ERROR_UNSPECIFIED;
+ }
+ else
+ {
+ rv = vnm->api_errno;
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY);
+}
+
+static void
+ vl_api_sw_interface_ip6_set_link_local_address_t_handler
+ (vl_api_sw_interface_ip6_set_link_local_address_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp;
+ int rv = 0;
+ clib_error_t *error;
+ vnet_main_t *vnm = vnet_get_main ();
+
+ vnm->api_errno = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ error = set_ip6_link_local_address (vm,
+ ntohl (mp->sw_if_index),
+ (ip6_address_t *) mp->address,
+ mp->address_length);
+ if (error)
+ {
+ clib_error_report (error);
+ rv = VNET_API_ERROR_UNSPECIFIED;
+ }
+ else
+ {
+ rv = vnm->api_errno;
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY);
+}
+
+
+#define vl_msg_name_crc_list
+#include <vnet/ip/ip.api.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_ip;
+#undef _
+}
+
+static clib_error_t *
+ip_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_ip_api_msg;
+#undef _
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (am);
+
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (ip_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */