/* *------------------------------------------------------------------ * 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 <map/map.h> #include <map/map_msg_enum.h> #include <vnet/ip/ip.h> #include <vnet/fib/fib_table.h> #include <vlibmemory/api.h> #define vl_typedefs /* define message structures */ #include <map/map_all_api_h.h> #undef vl_typedefs #define vl_endianfun /* define message structures */ #include <map/map_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 <map/map_all_api_h.h> #undef vl_printfun /* Get the API version number */ #define vl_api_version(n,v) static u32 api_version=(v); #include <map/map_all_api_h.h> #undef vl_api_version #define REPLY_MSG_ID_BASE mm->msg_id_base #include <vlibapi/api_helper_macros.h> static void vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp) { map_main_t *mm = &map_main; 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) { map_main_t *mm = &map_main; 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) { map_main_t *mm = &map_main; 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; vl_api_registration_t *reg; if (pool_elts (mm->domains) == 0) return; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) 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 = htons(VL_API_MAP_DOMAIN_DETAILS + mm->msg_id_base); rmp->context = mp->context; rmp->domain_index = htonl(d - mm->domains); clib_memcpy(rmp->ip6_prefix, &d->ip6_prefix, sizeof(rmp->ip6_prefix)); clib_memcpy(rmp->ip4_prefix, &d->ip4_prefix, sizeof(rmp->ip4_prefix)); clib_memcpy(rmp->ip6_src, &d->ip6_src, sizeof(rmp->ip6_src)); rmp->ip6_prefix_len = d->ip6_prefix_len; rmp->ip4_prefix_len = d->ip4_prefix_len; rmp->ip6_src_len = d->ip6_src_len; rmp->ea_bits_len = d->ea_bits_len; rmp->psid_offset = d->psid_offset; rmp->psid_length = d->psid_length; rmp->flags = d->flags; rmp->mtu = htons(d->mtu); rmp->is_translation = (d->flags & MAP_DOMAIN_TRANSLATION); // Redundant vl_api_send_msg (reg, (u8 *) rmp); })); /* *INDENT-ON* */ } static void vl_api_map_rule_dump_t_handler (vl_api_map_rule_dump_t * mp) { vl_api_registration_t *reg; 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; } reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) 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 + mm->msg_id_base); rmp->psid = htons (i); clib_memcpy (rmp->ip6_dst, &dst, sizeof (rmp->ip6_dst)); rmp->context = mp->context; vl_api_send_msg (reg, (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; vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; rmp = vl_msg_api_alloc (sizeof (*rmp)); rmp->_vl_msg_id = htons (VL_API_MAP_SUMMARY_STATS_REPLY + mm->msg_id_base); 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_api_send_msg (reg, (u8 *) rmp); } #define foreach_map_plugin_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) #define vl_msg_name_crc_list #include <map/map_all_api_h.h> #undef vl_msg_name_crc_list static void setup_message_id_table (map_main_t * mm, api_main_t * am) { #define _(id,n,crc) \ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + mm->msg_id_base); foreach_vl_msg_name_crc_map; #undef _ } /* Set up the API message handling tables */ clib_error_t * map_plugin_api_hookup (vlib_main_t * vm) { map_main_t *mm = &map_main; u8 *name = format (0, "map_%08x%c", api_version, 0); /* Ask for a correctly-sized block of API message decode slots */ mm->msg_id_base = vl_msg_api_get_msg_ids ((char *) name, VL_MSG_FIRST_AVAILABLE); #define _(N,n) \ vl_msg_api_set_handlers((VL_API_##N + mm->msg_id_base), \ #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_map_plugin_api_msg; #undef _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (mm, &api_main); vec_free (name); return 0; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */