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-rw-r--r--src/vnet/map/map_api.c295
1 files changed, 295 insertions, 0 deletions
diff --git a/src/vnet/map/map_api.c b/src/vnet/map/map_api.c
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+/*
+ *------------------------------------------------------------------
+ * map_api.c - vnet map 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 "map.h"
+#include <vnet/api_errno.h>
+#include <vnet/ip/ip.h>
+#include <vnet/fib/fib_table.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 \
+_(MAP_ADD_DOMAIN, map_add_domain) \
+_(MAP_DEL_DOMAIN, map_del_domain) \
+_(MAP_ADD_DEL_RULE, map_add_del_rule) \
+_(MAP_DOMAIN_DUMP, map_domain_dump) \
+_(MAP_RULE_DUMP, map_rule_dump) \
+_(MAP_SUMMARY_STATS, map_summary_stats)
+
+static void
+vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp)
+{
+ vl_api_map_add_domain_reply_t *rmp;
+ int rv = 0;
+ u32 index;
+ u8 flags = mp->is_translation ? MAP_DOMAIN_TRANSLATION : 0;
+ rv =
+ map_create_domain ((ip4_address_t *) & mp->ip4_prefix, mp->ip4_prefix_len,
+ (ip6_address_t *) & mp->ip6_prefix, mp->ip6_prefix_len,
+ (ip6_address_t *) & mp->ip6_src,
+ mp->ip6_src_prefix_len, mp->ea_bits_len,
+ mp->psid_offset, mp->psid_length, &index,
+ ntohs (mp->mtu), flags);
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_MAP_ADD_DOMAIN_REPLY,
+ ({
+ rmp->index = ntohl(index);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_map_del_domain_t_handler (vl_api_map_del_domain_t * mp)
+{
+ vl_api_map_del_domain_reply_t *rmp;
+ int rv = 0;
+
+ rv = map_delete_domain (ntohl (mp->index));
+
+ REPLY_MACRO (VL_API_MAP_DEL_DOMAIN_REPLY);
+}
+
+static void
+vl_api_map_add_del_rule_t_handler (vl_api_map_add_del_rule_t * mp)
+{
+ vl_api_map_del_domain_reply_t *rmp;
+ int rv = 0;
+
+ rv =
+ map_add_del_psid (ntohl (mp->index), ntohs (mp->psid),
+ (ip6_address_t *) mp->ip6_dst, mp->is_add);
+
+ REPLY_MACRO (VL_API_MAP_ADD_DEL_RULE_REPLY);
+}
+
+static void
+vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp)
+{
+ vl_api_map_domain_details_t *rmp;
+ map_main_t *mm = &map_main;
+ map_domain_t *d;
+ unix_shared_memory_queue_t *q;
+
+ if (pool_elts (mm->domains) == 0)
+ return;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ /* *INDENT-OFF* */
+ pool_foreach(d, mm->domains,
+ ({
+ /* Make sure every field is initiated (or don't skip the memset()) */
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs(VL_API_MAP_DOMAIN_DETAILS);
+ rmp->domain_index = htonl(d - mm->domains);
+ rmp->ea_bits_len = d->ea_bits_len;
+ rmp->psid_offset = d->psid_offset;
+ rmp->psid_length = d->psid_length;
+ clib_memcpy(rmp->ip4_prefix, &d->ip4_prefix, sizeof(rmp->ip4_prefix));
+ rmp->ip4_prefix_len = d->ip4_prefix_len;
+ clib_memcpy(rmp->ip6_prefix, &d->ip6_prefix, sizeof(rmp->ip6_prefix));
+ rmp->ip6_prefix_len = d->ip6_prefix_len;
+ clib_memcpy(rmp->ip6_src, &d->ip6_src, sizeof(rmp->ip6_src));
+ rmp->ip6_src_len = d->ip6_src_len;
+ rmp->mtu = htons(d->mtu);
+ rmp->is_translation = (d->flags & MAP_DOMAIN_TRANSLATION);
+ rmp->context = mp->context;
+
+ vl_msg_api_send_shmem (q, (u8 *)&rmp);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_map_rule_dump_t_handler (vl_api_map_rule_dump_t * mp)
+{
+ unix_shared_memory_queue_t *q;
+ u16 i;
+ ip6_address_t dst;
+ vl_api_map_rule_details_t *rmp;
+ map_main_t *mm = &map_main;
+ u32 domain_index = ntohl (mp->domain_index);
+ map_domain_t *d;
+
+ if (pool_elts (mm->domains) == 0)
+ return;
+
+ d = pool_elt_at_index (mm->domains, domain_index);
+ if (!d || !d->rules)
+ {
+ return;
+ }
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ {
+ return;
+ }
+
+ for (i = 0; i < (0x1 << d->psid_length); i++)
+ {
+ dst = d->rules[i];
+ if (dst.as_u64[0] == 0 && dst.as_u64[1] == 0)
+ {
+ continue;
+ }
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_MAP_RULE_DETAILS);
+ rmp->psid = htons (i);
+ clib_memcpy (rmp->ip6_dst, &dst, sizeof (rmp->ip6_dst));
+ rmp->context = mp->context;
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+ }
+}
+
+static void
+vl_api_map_summary_stats_t_handler (vl_api_map_summary_stats_t * mp)
+{
+ vl_api_map_summary_stats_reply_t *rmp;
+ vlib_combined_counter_main_t *cm;
+ vlib_counter_t v;
+ int i, which;
+ u64 total_pkts[VLIB_N_RX_TX];
+ u64 total_bytes[VLIB_N_RX_TX];
+ map_main_t *mm = &map_main;
+ unix_shared_memory_queue_t *q =
+ vl_api_client_index_to_input_queue (mp->client_index);
+
+ if (!q)
+ return;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_MAP_SUMMARY_STATS_REPLY);
+ rmp->context = mp->context;
+ rmp->retval = 0;
+
+ memset (total_pkts, 0, sizeof (total_pkts));
+ memset (total_bytes, 0, sizeof (total_bytes));
+
+ map_domain_counter_lock (mm);
+ vec_foreach (cm, mm->domain_counters)
+ {
+ which = cm - mm->domain_counters;
+
+ for (i = 0; i < vec_len (cm->maxi); i++)
+ {
+ vlib_get_combined_counter (cm, i, &v);
+ total_pkts[which] += v.packets;
+ total_bytes[which] += v.bytes;
+ }
+ }
+
+ map_domain_counter_unlock (mm);
+
+ /* Note: in network byte order! */
+ rmp->total_pkts[MAP_DOMAIN_COUNTER_RX] =
+ clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_RX]);
+ rmp->total_bytes[MAP_DOMAIN_COUNTER_RX] =
+ clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_RX]);
+ rmp->total_pkts[MAP_DOMAIN_COUNTER_TX] =
+ clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_TX]);
+ rmp->total_bytes[MAP_DOMAIN_COUNTER_TX] =
+ clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_TX]);
+ rmp->total_bindings = clib_host_to_net_u64 (pool_elts (mm->domains));
+ rmp->total_ip4_fragments = 0; // Not yet implemented. Should be a simple counter.
+ rmp->total_security_check[MAP_DOMAIN_COUNTER_TX] =
+ clib_host_to_net_u64 (map_error_counter_get
+ (ip4_map_node.index, MAP_ERROR_ENCAP_SEC_CHECK));
+ rmp->total_security_check[MAP_DOMAIN_COUNTER_RX] =
+ clib_host_to_net_u64 (map_error_counter_get
+ (ip4_map_node.index, MAP_ERROR_DECAP_SEC_CHECK));
+
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+/*
+ * vpe_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_map;
+#undef _
+}
+
+static clib_error_t *
+map_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 (map_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */