/* *------------------------------------------------------------------ * 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 < 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)); 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: */