/* * Copyright (c) 2017-2020 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 #include #include #include #include #include #include #include #include #include #include #include "faces/face.h" #include "udp_tunnels/udp_tunnel.h" #include "infra.h" #include "parser.h" #include "mgmt.h" #include "strategy_dpo_manager.h" #include "strategy_dpo_ctx.h" #include "strategy.h" #include "pg.h" #include "error.h" #include "faces/app/face_prod.h" #include "faces/app/face_cons.h" #include "route.h" /* define message IDs */ #include #include /* define generated endian-swappers */ #define vl_endianfun #include #undef vl_endianfun #define REPLY_MSG_ID_BASE sm->msg_id_base #include /****** SUPPORTING FUNCTION DECLARATIONS ******/ /* * Convert a unix return code to a vnet_api return code. Currently stubby: * should have more cases. */ always_inline vnet_api_error_t hicn_face_api_entry_params_serialize (hicn_face_id_t faceid, vl_api_hicn_api_face_params_get_reply_t * reply); /****************** API MESSAGE HANDLERS ******************/ /****** NODE ******/ static void vl_api_hicn_api_node_params_set_t_handler (vl_api_hicn_api_node_params_set_t * mp) { vl_api_hicn_api_node_params_set_reply_t *rmp; int rv; hicn_main_t *sm = &hicn_main; int pit_max_size = clib_net_to_host_i32 (mp->pit_max_size); pit_max_size = pit_max_size == -1 ? HICN_PARAM_PIT_ENTRIES_DFLT : pit_max_size; f64 pit_max_lifetime_sec = mp->pit_max_lifetime_sec; pit_max_lifetime_sec = pit_max_lifetime_sec == -1 ? HICN_PARAM_PIT_LIFETIME_DFLT_MAX_MS / SEC_MS : pit_max_lifetime_sec; int cs_max_size = clib_net_to_host_i32 (mp->cs_max_size); cs_max_size = cs_max_size == -1 ? HICN_PARAM_CS_ENTRIES_DFLT : cs_max_size; rv = hicn_infra_plugin_enable_disable ((int) (mp->enable_disable), pit_max_size, pit_max_lifetime_sec, cs_max_size, ~0); REPLY_MACRO (VL_API_HICN_API_NODE_PARAMS_SET_REPLY /* , rmp, mp, rv */ ); } static void vl_api_hicn_api_node_params_get_t_handler (vl_api_hicn_api_node_params_get_t * mp) { vl_api_hicn_api_node_params_get_reply_t *rmp; int rv = HICN_ERROR_NONE; hicn_main_t *sm = &hicn_main; /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_NODE_PARAMS_GET_REPLY, ( { rmp->is_enabled = sm->is_enabled; rmp->feature_cs = HICN_FEATURE_CS; rmp->pit_max_size = clib_host_to_net_u32 (hicn_infra_pit_size); rmp->pit_max_lifetime_sec = ((f64) sm->pit_lifetime_max_ms) / SEC_MS; rmp->cs_max_size = clib_host_to_net_u32 (hicn_infra_cs_size); rmp->retval = clib_host_to_net_i32 (rv); })); /* *INDENT-ON* */ } static void vl_api_hicn_api_node_stats_get_t_handler (vl_api_hicn_api_node_stats_get_t * mp) { vl_api_hicn_api_node_stats_get_reply_t *rmp; int rv = HICN_ERROR_NONE; hicn_main_t *sm = &hicn_main; /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_NODE_STATS_GET_REPLY, ( { rv = hicn_mgmt_node_stats_get (rmp); rmp->retval =clib_host_to_net_i32 (rv); })); /* *INDENT-ON* */ } static void vl_api_hicn_api_face_params_get_t_handler (vl_api_hicn_api_face_params_get_t * mp) { vl_api_hicn_api_face_params_get_reply_t *rmp; int rv = 0; hicn_main_t *sm = &hicn_main; hicn_face_id_t faceid = clib_net_to_host_u32 (mp->faceid); /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_FACE_PARAMS_GET_REPLY, ( { rv = hicn_face_api_entry_params_serialize(faceid, rmp); rmp->retval = clib_host_to_net_u32(rv); })); /* *INDENT-ON* */ } static void send_face_details (hicn_face_t * face, vl_api_hicn_face_t * mp) { vnet_main_t *vnm = vnet_get_main (); ip_address_encode (&face->nat_addr, IP46_TYPE_ANY, &mp->nat_addr); mp->flags = clib_host_to_net_u32 (face->flags); mp->swif = clib_net_to_host_u32 (face->sw_if); vnet_sw_interface_t *sw_interface = vnet_get_sw_interface_or_null (vnm, face->sw_if); u8 *sbuf = 0; if (sw_interface != NULL) { sbuf = format (0, "%U", format_vnet_sw_interface_name, vnm, sw_interface); strcpy ((char *) (mp->if_name), (char *) sbuf); } } static void send_faces_details (vl_api_registration_t * reg, hicn_face_t * face, u32 context) { vl_api_hicn_api_faces_details_t *mp; hicn_main_t *hm = &hicn_main; mp = vl_msg_api_alloc (sizeof (*mp)); memset (mp, 0, sizeof (*mp)); mp->faceid = clib_host_to_net_u32 (hicn_dpoi_get_index (face)); mp->_vl_msg_id = htons (VL_API_HICN_API_FACES_DETAILS + hm->msg_id_base); mp->context = context; send_face_details (face, &(mp->face)); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_hicn_api_faces_dump_t_handler (vl_api_hicn_api_faces_dump_t * mp) { hicn_face_t *face; vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; /* *INDENT-OFF* */ pool_foreach (face, hicn_dpoi_face_pool, ({ send_faces_details (reg, face, mp->context); })); /* *INDENT-ON* */ } static void vl_api_hicn_api_face_get_t_handler (vl_api_hicn_api_face_get_t * mp) { vl_api_hicn_api_face_get_reply_t *rmp; int rv = 0; hicn_main_t *sm = &hicn_main; hicn_face_id_t faceid = clib_net_to_host_u32 (mp->faceid); /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_FACE_GET_REPLY, ( { rv = hicn_dpoi_idx_is_valid(faceid); if (rv) { hicn_face_t * face = hicn_dpoi_get_from_idx(faceid); send_face_details(face, &(rmp->face)); rv = HICN_ERROR_NONE; } else { rv = HICN_ERROR_FACE_NOT_FOUND; } rmp->retval = clib_host_to_net_u32(rv); })); /* *INDENT-ON* */ } static void send_face_stats_details (vl_api_registration_t * reg, hicn_face_t * face, u32 context) { vl_api_hicn_api_face_stats_details_t *mp; hicn_main_t *hm = &hicn_main; mp = vl_msg_api_alloc (sizeof (*mp)); memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = htons (VL_API_HICN_API_FACE_STATS_DETAILS + hm->msg_id_base); mp->context = context; mp->faceid = htonl (hicn_dpoi_get_index (face)); vlib_counter_t v; vlib_get_combined_counter (&counters [hicn_dpoi_get_index (face) * HICN_N_COUNTER], HICN_FACE_COUNTERS_INTEREST_RX, &v); mp->irx_packets = clib_net_to_host_u64 (v.packets); mp->irx_bytes = clib_net_to_host_u64 (v.bytes); vlib_get_combined_counter (&counters [hicn_dpoi_get_index (face) * HICN_N_COUNTER], HICN_FACE_COUNTERS_INTEREST_TX, &v); mp->itx_packets = clib_net_to_host_u64 (v.packets); mp->itx_bytes = clib_net_to_host_u64 (v.bytes); vlib_get_combined_counter (&counters [hicn_dpoi_get_index (face) * HICN_N_COUNTER], HICN_FACE_COUNTERS_DATA_RX, &v); mp->drx_packets = clib_net_to_host_u64 (v.packets); mp->drx_bytes = clib_net_to_host_u64 (v.bytes); vlib_get_combined_counter (&counters [hicn_dpoi_get_index (face) * HICN_N_COUNTER], HICN_FACE_COUNTERS_DATA_TX, &v); mp->dtx_packets = clib_net_to_host_u64 (v.packets); mp->dtx_bytes = clib_net_to_host_u64 (v.bytes); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_hicn_api_face_stats_dump_t_handler (vl_api_hicn_api_face_stats_dump_t * mp) { hicn_face_t *face; vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; /* *INDENT-OFF* */ pool_foreach (face, hicn_dpoi_face_pool, ({ send_face_stats_details (reg, face, mp->context); })); /* *INDENT-ON* */ } /****** ROUTE *******/ static void vl_api_hicn_api_route_get_t_handler (vl_api_hicn_api_route_get_t * mp) { vl_api_hicn_api_route_get_reply_t *rmp; int rv = HICN_ERROR_NONE; hicn_main_t *sm = &hicn_main; fib_prefix_t prefix; ip_prefix_decode (&mp->prefix, &prefix); const dpo_id_t *hicn_dpo_id; hicn_dpo_ctx_t *hicn_dpo_ctx; u32 fib_index; rv = hicn_route_get_dpo (&prefix, &hicn_dpo_id, &fib_index); /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_ROUTE_GET_REPLY, ( { if (rv == HICN_ERROR_NONE) { hicn_dpo_ctx = hicn_strategy_dpo_ctx_get(hicn_dpo_id->dpoi_index); for (int i = 0; hicn_dpo_ctx != NULL && i < hicn_dpo_ctx->entry_count; i++) { rmp->faceids[i] = hicn_dpo_ctx->next_hops[i]; } rmp->strategy_id = clib_host_to_net_u32(hicn_dpo_get_vft_id(hicn_dpo_id));} })); /* *INDENT-ON* */ } static void send_route_details (vl_api_registration_t * reg, const fib_prefix_t * pfx, u32 context) { vl_api_hicn_api_routes_details_t *mp; hicn_main_t *hm = &hicn_main; mp = vl_msg_api_alloc (sizeof (*mp)); memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = htons (VL_API_HICN_API_ROUTES_DETAILS + hm->msg_id_base); mp->context = context; ip_prefix_encode (pfx, &mp->prefix); mp->nfaces = 0; const dpo_id_t *hicn_dpo_id; hicn_dpo_ctx_t *hicn_dpo_ctx; u32 fib_index; int rv = hicn_route_get_dpo (pfx, &hicn_dpo_id, &fib_index); if (rv == HICN_ERROR_NONE) { hicn_dpo_ctx = hicn_strategy_dpo_ctx_get (hicn_dpo_id->dpoi_index); for (int i = 0; hicn_dpo_ctx != NULL && i < hicn_dpo_ctx->entry_count; i++) { mp->faceids[i] = clib_host_to_net_u32 (hicn_dpo_ctx-> next_hops[i]); mp->nfaces++; } mp->strategy_id = clib_host_to_net_u32 (hicn_dpo_get_vft_id (hicn_dpo_id)); } vl_api_send_msg (reg, (u8 *) mp); } typedef struct vl_api_hicn_api_route_dump_walk_ctx_t_ { fib_node_index_t *feis; } vl_api_hicn_api_route_dump_walk_ctx_t; static fib_table_walk_rc_t vl_api_hicn_api_route_dump_walk (fib_node_index_t fei, void *arg) { vl_api_hicn_api_route_dump_walk_ctx_t *ctx = arg; int found = 0; const dpo_id_t *former_dpo_id; /* Route already existing. We need to update the dpo. */ const dpo_id_t *load_balance_dpo_id = fib_entry_contribute_ip_forwarding (fei); /* The dpo is not a load balance dpo as expected */ if (load_balance_dpo_id->dpoi_type == DPO_LOAD_BALANCE) { /* former_dpo_id is a load_balance dpo */ load_balance_t *lb = load_balance_get (load_balance_dpo_id->dpoi_index); /* FIB entry exists but there is no hicn dpo. */ for (int i = 0; i < lb->lb_n_buckets && !found; i++) { former_dpo_id = load_balance_get_bucket_i (lb, i); if (dpo_is_hicn (former_dpo_id)) { vec_add1 (ctx->feis, fei); } } } return (FIB_TABLE_WALK_CONTINUE); } static void vl_api_hicn_api_routes_dump_t_handler (vl_api_hicn_api_routes_dump_t * mp) { vl_api_registration_t *reg; fib_table_t *fib_table; ip4_main_t *im = &ip4_main; ip6_main_t *im6 = &ip6_main; fib_node_index_t *lfeip; const fib_prefix_t *pfx; vl_api_hicn_api_route_dump_walk_ctx_t ctx = { .feis = NULL, }; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; pool_foreach (fib_table, im->fibs, ( { fib_table_walk (fib_table->ft_index, FIB_PROTOCOL_IP4, vl_api_hicn_api_route_dump_walk, &ctx);} )); pool_foreach (fib_table, im6->fibs, ( { fib_table_walk (fib_table->ft_index, FIB_PROTOCOL_IP6, vl_api_hicn_api_route_dump_walk, &ctx);} )); vec_foreach (lfeip, ctx.feis) { pfx = fib_entry_get_prefix (*lfeip); send_route_details (reg, pfx, mp->context); } vec_free (ctx.feis); } static void vl_api_hicn_api_strategies_get_t_handler (vl_api_hicn_api_strategies_get_t * mp) { vl_api_hicn_api_strategies_get_reply_t *rmp; int rv = HICN_ERROR_NONE; hicn_main_t *sm = &hicn_main; int n_strategies = hicn_strategy_get_all_available (); /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_STRATEGIES_GET_REPLY/* , rmp, mp, rv */ ,( { int j = 0; for (u32 i = 0; i < (u32) n_strategies; i++) { if (hicn_dpo_strategy_id_is_valid (i) == HICN_ERROR_NONE) { rmp->strategy_id[j] = clib_host_to_net_u32 (i); j++;} } rmp->n_strategies = n_strategies; })); /* *INDENT-ON* */ } static void vl_api_hicn_api_strategy_get_t_handler (vl_api_hicn_api_strategy_get_t * mp) { vl_api_hicn_api_strategy_get_reply_t *rmp; int rv = HICN_ERROR_NONE; hicn_main_t *sm = &hicn_main; u32 strategy_id = clib_net_to_host_u32 (mp->strategy_id); rv = hicn_dpo_strategy_id_is_valid (strategy_id); /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_STRATEGY_GET_REPLY /* , rmp, mp, rv */ ,( { if (rv == HICN_ERROR_NONE) { const hicn_strategy_vft_t * hicn_strategy_vft = hicn_dpo_get_strategy_vft (strategy_id); hicn_strategy_vft->hicn_format_strategy (rmp->description, 0);} })); /* *INDENT-ON* */ } /************* APP FACE ****************/ static void vl_api_hicn_api_register_prod_app_t_handler (vl_api_hicn_api_register_prod_app_t * mp) { vl_api_hicn_api_register_prod_app_reply_t *rmp; int rv = HICN_ERROR_NONE; hicn_main_t *sm = &hicn_main; fib_prefix_t prefix; ip_prefix_decode (&mp->prefix, &prefix); u32 swif = clib_net_to_host_u32 (mp->swif); u32 cs_reserved = clib_net_to_host_u32 (mp->cs_reserved); u32 faceid; ip46_address_t prod_addr; ip46_address_reset (&prod_addr); rv = hicn_face_prod_add (&prefix, swif, &cs_reserved, &prod_addr, &faceid); /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_REGISTER_PROD_APP_REPLY, ( { ip_address_encode(&prod_addr, IP46_TYPE_ANY, &rmp->prod_addr); rmp->cs_reserved = clib_net_to_host_u32(cs_reserved); rmp->faceid = clib_net_to_host_u32(faceid); })); /* *INDENT-ON* */ } static void vl_api_hicn_api_face_prod_del_t_handler (vl_api_hicn_api_face_prod_del_t * mp) { vl_api_hicn_api_face_prod_del_reply_t *rmp; int rv = HICN_ERROR_FACE_NOT_FOUND; hicn_main_t *sm = &hicn_main; hicn_face_id_t faceid = clib_net_to_host_u32 (mp->faceid); rv = hicn_face_prod_del (faceid); REPLY_MACRO (VL_API_HICN_API_FACE_PROD_DEL_REPLY /* , rmp, mp, rv */ ); } static void vl_api_hicn_api_register_cons_app_t_handler (vl_api_hicn_api_register_cons_app_t * mp) { vl_api_hicn_api_register_cons_app_reply_t *rmp; int rv = HICN_ERROR_NONE; hicn_main_t *sm = &hicn_main; ip46_address_t src_addr4 = ip46_address_initializer; ip46_address_t src_addr6 = ip46_address_initializer; u32 swif = clib_net_to_host_u32 (mp->swif); u32 faceid1; u32 faceid2; rv = hicn_face_cons_add (&src_addr4.ip4, &src_addr6.ip6, swif, &faceid1, &faceid2); /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_REGISTER_CONS_APP_REPLY, ( { ip_address_encode(&src_addr4, IP46_TYPE_ANY, &rmp->src_addr4); ip_address_encode(&src_addr6, IP46_TYPE_ANY, &rmp->src_addr6); rmp->faceid1 = clib_net_to_host_u32(faceid1); rmp->faceid2 = clib_net_to_host_u32(faceid2); })); /* *INDENT-ON* */ } static void vl_api_hicn_api_face_cons_del_t_handler (vl_api_hicn_api_face_cons_del_t * mp) { vl_api_hicn_api_face_cons_del_reply_t *rmp; int rv = HICN_ERROR_FACE_NOT_FOUND; hicn_main_t *sm = &hicn_main; hicn_face_id_t faceid = clib_net_to_host_u32 (mp->faceid); rv = hicn_face_cons_del (faceid); REPLY_MACRO (VL_API_HICN_API_FACE_CONS_DEL_REPLY /* , rmp, mp, rv */ ); } static void vl_api_hicn_api_enable_disable_t_handler (vl_api_hicn_api_enable_disable_t * mp) { vl_api_hicn_api_enable_disable_reply_t *rmp; int rv = HICN_ERROR_NONE; hicn_main_t *sm = &hicn_main; fib_prefix_t prefix; ip_prefix_decode (&mp->prefix, &prefix); switch (clib_net_to_host_u32(mp->enable_disable)) { case HICN_ENABLE: rv = hicn_route_enable(&prefix); break; case HICN_DISABLE: rv = hicn_route_disable(&prefix); break; } REPLY_MACRO (VL_API_HICN_API_ENABLE_DISABLE_REPLY/* , rmp, mp, rv */ ); } /*********************************** UDP TUNNELS ************************************/ static void vl_api_hicn_api_udp_tunnel_add_del_t_handler (vl_api_hicn_api_udp_tunnel_add_del_t * mp) { vl_api_hicn_api_udp_tunnel_add_del_reply_t *rmp; int rv = HICN_ERROR_NONE; hicn_main_t *sm = &hicn_main; ip46_address_t src_addr; ip46_address_t dst_addr; u16 src_port; u16 dst_port; index_t uei = ~0; ip46_type_t type = ip_address_decode (&mp->src_addr, &src_addr); if (type != ip_address_decode (&mp->dst_addr, &dst_addr)) { rv = HICN_ERROR_UDP_TUNNEL_SRC_DST_TYPE; goto done; } src_port = clib_net_to_host_u16(mp->src_port); dst_port = clib_net_to_host_u16(mp->dst_port); fib_protocol_t proto = ip46_address_is_ip4(&src_addr) ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6; index_t fib_index = fib_table_find (proto, HICN_FIB_TABLE); if (mp->is_add) { uei = udp_tunnel_add(proto, fib_index, &src_addr, &dst_addr, src_port, dst_port, UDP_ENCAP_FIXUP_NONE); } else { udp_tunnel_del(proto, fib_index, &src_addr, &dst_addr, src_port, dst_port, UDP_ENCAP_FIXUP_NONE); } done: /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_HICN_API_UDP_TUNNEL_ADD_DEL_REPLY, ( { rmp->uei = clib_host_to_net_u32(uei); })); /* *INDENT-ON* */ } /************************************************************************************/ #include /* Set up the API message handling tables */ clib_error_t * hicn_api_plugin_hookup (vlib_main_t * vm) { hicn_main_t *hm = &hicn_main; hm->msg_id_base = setup_message_id_table (); return 0; } /******************* SUPPORTING FUNCTIONS *******************/ /* * Binary serialization for get face configuration API. for the moment * assuming only ip faces here. To be completed with othet types of faces */ vnet_api_error_t hicn_face_api_entry_params_serialize (hicn_face_id_t faceid, vl_api_hicn_api_face_params_get_reply_t * reply) { int rv = HICN_ERROR_NONE; if (!reply) { rv = VNET_API_ERROR_INVALID_ARGUMENT; goto done; } hicn_face_t *face = hicn_dpoi_get_from_idx (faceid); if (face != NULL) { ip_address_encode (&face->nat_addr, IP46_TYPE_ANY, &reply->nat_addr); reply->swif = clib_host_to_net_u32 (face->sw_if); reply->flags = clib_host_to_net_u32 (face->flags); reply->faceid = clib_host_to_net_u32 (faceid); } else rv = HICN_ERROR_FACE_IP_ADJ_NOT_FOUND; done: return (rv); } /* * fd.io coding-style-patch-verification: ON * * Local Variables: eval: (c-set-style "gnu") End: */