| /* |
| *------------------------------------------------------------------ |
| * 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 = 0; |
| |
| if (mp->is_translation) |
| flags |= MAP_DOMAIN_TRANSLATION; |
| |
| if (mp->is_rfc6052) |
| flags |= MAP_DOMAIN_RFC6052; |
| |
| 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; |
| svm_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) |
| { |
| svm_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; |
| svm_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; |
| |
| if (pool_elts (mm->domains) == 0) |
| { |
| rmp->retval = -1; |
| goto out; |
| } |
| |
| 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 < vlib_combined_counter_n_counters (cm); 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)); |
| |
| out: |
| 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: |
| */ |