csit - Integration tests

Age	Commit message (Expand)	Author	Files	Lines
2019-08-07	CSIT-1473: Migrate Tap library from VAT to PAPI	Jan Gelety	1	-0/+4
2019-08-07	Expand comment on API covering triggers	Vratko Polak	1	-1/+4
2019-08-06	Add: Dot1Q + L2BD + GBP	Peter Mikus	1	-0/+14
2019-08-05	Fix CRCs, bump stable VPP version	Vratko Polak	1	-0/+185

/* * Copyright (c) 2015 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 <sys/random.h> #include <vnet/ipsec/ipsec.h> #include <vnet/ipsec/esp.h> #include <vnet/udp/udp_local.h> #include <vnet/fib/fib_table.h> #include <vnet/fib/fib_entry_track.h> #include <vnet/ipsec/ipsec_tun.h> #include <vnet/ipsec/ipsec.api_enum.h> /** * @brief * SA packet & bytes counters */ vlib_combined_counter_main_t ipsec_sa_counters = { .name = "SA", .stat_segment_name = "/net/ipsec/sa", }; /* Per-SA error counters */ vlib_simple_counter_main_t ipsec_sa_err_counters[IPSEC_SA_N_ERRORS]; ipsec_sa_t *ipsec_sa_pool; static clib_error_t * ipsec_call_add_del_callbacks (ipsec_main_t * im, ipsec_sa_t * sa, u32 sa_index, int is_add) { ipsec_ah_backend_t *ab; ipsec_esp_backend_t *eb; switch (sa->protocol) { case IPSEC_PROTOCOL_AH: ab = pool_elt_at_index (im->ah_backends, im->ah_current_backend); if (ab->add_del_sa_sess_cb) return ab->add_del_sa_sess_cb (sa_index, is_add); break; case IPSEC_PROTOCOL_ESP: eb = pool_elt_at_index (im->esp_backends, im->esp_current_backend); if (eb->add_del_sa_sess_cb) return eb->add_del_sa_sess_cb (sa_index, is_add); break; } return 0; } void ipsec_mk_key (ipsec_key_t * key, const u8 * data, u8 len) { memset (key, 0, sizeof (*key)); if (len > sizeof (key->data)) key->len = sizeof (key->data); else key->len = len; memcpy (key->data, data, key->len); } /** * 'stack' (resolve the recursion for) the SA tunnel destination */ static void ipsec_sa_stack (ipsec_sa_t * sa) { ipsec_main_t *im = &ipsec_main; dpo_id_t tmp = DPO_INVALID; tunnel_contribute_forwarding (&sa->tunnel, &tmp); if (IPSEC_PROTOCOL_AH == sa->protocol) dpo_stack_from_node ((ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ? im->ah6_encrypt_node_index : im->ah4_encrypt_node_index), &sa->dpo, &tmp); else dpo_stack_from_node ((ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ? im->esp6_encrypt_node_index : im->esp4_encrypt_node_index), &sa->dpo, &tmp); dpo_reset (&tmp); } void ipsec_sa_set_async_mode (ipsec_sa_t *sa, int is_enabled) { if (is_enabled) { sa->crypto_key_index = sa->crypto_async_key_index; sa->crypto_enc_op_id = sa->crypto_async_enc_op_id; sa->crypto_dec_op_id = sa->crypto_async_dec_op_id; sa->integ_key_index = ~0; sa->integ_op_id = ~0; } else { sa->crypto_key_index = sa->crypto_sync_key_index; sa->crypto_enc_op_id = sa->crypto_sync_enc_op_id; sa->crypto_dec_op_id = sa->crypto_sync_dec_op_id; sa->integ_key_index = sa->integ_sync_key_index; sa->integ_op_id = sa->integ_sync_op_id; } } void ipsec_sa_set_crypto_alg (ipsec_sa_t * sa, ipsec_crypto_alg_t crypto_alg) { ipsec_main_t *im = &ipsec_main; sa->crypto_alg = crypto_alg; sa->crypto_iv_size = im->crypto_algs[crypto_alg].iv_size; sa->esp_block_align = clib_max (4, im->crypto_algs[crypto_alg].block_align); sa->crypto_sync_enc_op_id = im->crypto_algs[crypto_alg].enc_op_id; sa->crypto_sync_dec_op_id = im->crypto_algs[crypto_alg].dec_op_id; sa->crypto_calg = im->crypto_algs[crypto_alg].alg; ASSERT (sa->crypto_iv_size <= ESP_MAX_IV_SIZE); ASSERT (sa->esp_block_align <= ESP_MAX_BLOCK_SIZE); if (IPSEC_CRYPTO_ALG_IS_GCM (crypto_alg) || IPSEC_CRYPTO_ALG_CTR_AEAD_OTHERS (crypto_alg)) { sa->integ_icv_size = im->crypto_algs[crypto_alg].icv_size; ipsec_sa_set_IS_CTR (sa); ipsec_sa_set_IS_AEAD (sa); } else if (IPSEC_CRYPTO_ALG_IS_CTR (crypto_alg)) { ipsec_sa_set_IS_CTR (sa); } else if (IPSEC_CRYPTO_ALG_IS_NULL_GMAC (crypto_alg)) { sa->integ_icv_size = im->crypto_algs[crypto_alg].icv_size; ipsec_sa_set_IS_CTR (sa); ipsec_sa_set_IS_AEAD (sa); ipsec_sa_set_IS_NULL_GMAC (sa); } } void ipsec_sa_set_integ_alg (ipsec_sa_t * sa, ipsec_integ_alg_t integ_alg) { ipsec_main_t *im = &ipsec_main; sa->integ_alg = integ_alg; sa->integ_icv_size = im->integ_algs[integ_alg].icv_size; sa->integ_sync_op_id = im->integ_algs[integ_alg].op_id; sa->integ_calg = im->integ_algs[integ_alg].alg; ASSERT (sa->integ_icv_size <= ESP_MAX_ICV_SIZE); } void ipsec_sa_set_async_op_ids (ipsec_sa_t * sa) { if (ipsec_sa_is_set_USE_ESN (sa)) { #define _(n, s, k) \ if (sa->crypto_sync_enc_op_id == VNET_CRYPTO_OP_##n##_ENC) \ sa->crypto_async_enc_op_id = VNET_CRYPTO_OP_##n##_TAG16_AAD12_ENC; \ if (sa->crypto_sync_dec_op_id == VNET_CRYPTO_OP_##n##_DEC) \ sa->crypto_async_dec_op_id = VNET_CRYPTO_OP_##n##_TAG16_AAD12_DEC; foreach_crypto_aead_alg #undef _ } else { #define _(n, s, k) \ if (sa->crypto_sync_enc_op_id == VNET_CRYPTO_OP_##n##_ENC) \ sa->crypto_async_enc_op_id = VNET_CRYPTO_OP_##n##_TAG16_AAD8_ENC; \ if (sa->crypto_sync_dec_op_id == VNET_CRYPTO_OP_##n##_DEC) \ sa->crypto_async_dec_op_id = VNET_CRYPTO_OP_##n##_TAG16_AAD8_DEC; foreach_crypto_aead_alg #undef _ } #define _(c, h, s, k, d) \ if (sa->crypto_sync_enc_op_id == VNET_CRYPTO_OP_##c##_ENC && \ sa->integ_sync_op_id == VNET_CRYPTO_OP_##h##_HMAC) \ sa->crypto_async_enc_op_id = VNET_CRYPTO_OP_##c##_##h##_TAG##d##_ENC; \ if (sa->crypto_sync_dec_op_id == VNET_CRYPTO_OP_##c##_DEC && \ sa->integ_sync_op_id == VNET_CRYPTO_OP_##h##_HMAC) \ sa->crypto_async_dec_op_id = VNET_CRYPTO_OP_##c##_##h##_TAG##d##_DEC; foreach_crypto_link_async_alg #undef _ } int ipsec_sa_update (u32 id, u16 src_port, u16 dst_port, const tunnel_t *tun, bool is_tun) { ipsec_main_t *im = &ipsec_main; ipsec_sa_t *sa; u32 sa_index; uword *p; int rv; p = hash_get (im->sa_index_by_sa_id, id); if (!p) return VNET_API_ERROR_NO_SUCH_ENTRY; sa = ipsec_sa_get (p[0]); sa_index = sa - ipsec_sa_pool; if (is_tun && ipsec_sa_is_set_IS_TUNNEL (sa) && (ip_address_cmp (&tun->t_src, &sa->tunnel.t_src) != 0 || ip_address_cmp (&tun->t_dst, &sa->tunnel.t_dst) != 0)) { /* if the source IP is updated for an inbound SA under a tunnel protect, we need to update the tun_protect DB with the new src IP */ if (ipsec_sa_is_set_IS_INBOUND (sa) && ip_address_cmp (&tun->t_src, &sa->tunnel.t_src) != 0 && !ip46_address_is_zero (&tun->t_src.ip)) { if (ip46_address_is_ip4 (&sa->tunnel.t_src.ip)) { ipsec4_tunnel_kv_t old_key, new_key; clib_bihash_kv_8_16_t res, *bkey = (clib_bihash_kv_8_16_t *) &old_key; ipsec4_tunnel_mk_key (&old_key, &sa->tunnel.t_src.ip.ip4, clib_host_to_net_u32 (sa->spi)); ipsec4_tunnel_mk_key (&new_key, &tun->t_src.ip.ip4, clib_host_to_net_u32 (sa->spi)); if (!clib_bihash_search_8_16 (&im->tun4_protect_by_key, bkey, &res)) { clib_bihash_add_del_8_16 (&im->tun4_protect_by_key, &res, 0); res.key = new_key.key; clib_bihash_add_del_8_16 (&im->tun4_protect_by_key, &res, 1); } } else { ipsec6_tunnel_kv_t old_key = { .key = { .remote_ip = sa->tunnel.t_src.ip.ip6, .spi = clib_host_to_net_u32 (sa->spi), }, }, new_key = { .key = { .remote_ip = tun->t_src.ip.ip6, .spi = clib_host_to_net_u32 (sa->spi), }}; clib_bihash_kv_24_16_t res, *bkey = (clib_bihash_kv_24_16_t *) &old_key; if (!clib_bihash_search_24_16 (&im->tun6_protect_by_key, bkey, &res)) { clib_bihash_add_del_24_16 (&im->tun6_protect_by_key, &res, 0); clib_memcpy (&res.key, &new_key.key, 3); clib_bihash_add_del_24_16 (&im->tun6_protect_by_key, &res, 1); } } } tunnel_unresolve (&sa->tunnel); tunnel_copy (tun, &sa->tunnel); if (!ipsec_sa_is_set_IS_INBOUND (sa)) { dpo_reset (&sa->dpo); sa->tunnel_flags = sa->tunnel.t_encap_decap_flags; rv = tunnel_resolve (&sa->tunnel, FIB_NODE_TYPE_IPSEC_SA, sa_index); if (rv) { hash_unset (im->sa_index_by_sa_id, sa->id); pool_put (ipsec_sa_pool, sa); return rv; } ipsec_sa_stack (sa); /* generate header templates */ if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa)) { tunnel_build_v6_hdr (&sa->tunnel, (ipsec_sa_is_set_UDP_ENCAP (sa) ? IP_PROTOCOL_UDP : IP_PROTOCOL_IPSEC_ESP), &sa->ip6_hdr); } else { tunnel_build_v4_hdr (&sa->tunnel, (ipsec_sa_is_set_UDP_ENCAP (sa) ? IP_PROTOCOL_UDP : IP_PROTOCOL_IPSEC_ESP), &sa->ip4_hdr); } } } if (ipsec_sa_is_set_UDP_ENCAP (sa)) { if (dst_port != IPSEC_UDP_PORT_NONE && dst_port != clib_net_to_host_u16 (sa->udp_hdr.dst_port)) { if (ipsec_sa_is_set_IS_INBOUND (sa)) { ipsec_unregister_udp_port ( clib_net_to_host_u16 (sa->udp_hdr.dst_port), !ipsec_sa_is_set_IS_TUNNEL_V6 (sa)); ipsec_register_udp_port (dst_port, !ipsec_sa_is_set_IS_TUNNEL_V6 (sa)); } sa->udp_hdr.dst_port = clib_host_to_net_u16 (dst_port); } if (src_port != IPSEC_UDP_PORT_NONE && src_port != clib_net_to_host_u16 (sa->udp_hdr.src_port)) sa->udp_hdr.src_port = clib_host_to_net_u16 (src_port); } return (0); } int ipsec_sa_add_and_lock (u32 id, u32 spi, ipsec_protocol_t proto, ipsec_crypto_alg_t crypto_alg, const ipsec_key_t *ck, ipsec_integ_alg_t integ_alg, const ipsec_key_t *ik, ipsec_sa_flags_t flags, u32 salt, u16 src_port, u16 dst_port, u32 anti_replay_window_size, const tunnel_t *tun, u32 *sa_out_index) { vlib_main_t *vm = vlib_get_main (); ipsec_main_t *im = &ipsec_main; clib_error_t *err; ipsec_sa_t *sa; u32 sa_index; u64 rand[2]; uword *p; int rv; p = hash_get (im->sa_index_by_sa_id, id); if (p) return VNET_API_ERROR_ENTRY_ALREADY_EXISTS; if (getrandom (rand, sizeof (rand), 0) != sizeof (rand)) return VNET_API_ERROR_INIT_FAILED; pool_get_aligned_zero (ipsec_sa_pool, sa, CLIB_CACHE_LINE_BYTES); clib_pcg64i_srandom_r (&sa->iv_prng, rand[0], rand[1]); fib_node_init (&sa->node, FIB_NODE_TYPE_IPSEC_SA); fib_node_lock (&sa->node); sa_index = sa - ipsec_sa_pool; vlib_validate_combined_counter (&ipsec_sa_counters, sa_index); vlib_zero_combined_counter (&ipsec_sa_counters, sa_index); for (int i = 0; i < IPSEC_SA_N_ERRORS; i++) { vlib_validate_simple_counter (&ipsec_sa_err_counters[i], sa_index); vlib_zero_simple_counter (&ipsec_sa_err_counters[i], sa_index); } tunnel_copy (tun, &sa->tunnel); sa->id = id; sa->spi = spi; sa->stat_index = sa_index; sa->protocol = proto; sa->flags = flags; sa->salt = salt; sa->thread_index = (vlib_num_workers ()) ? ~0 : 0; if (integ_alg != IPSEC_INTEG_ALG_NONE) { ipsec_sa_set_integ_alg (sa, integ_alg); clib_memcpy (&sa->integ_key, ik, sizeof (sa->integ_key)); } ipsec_sa_set_crypto_alg (sa, crypto_alg); ipsec_sa_set_async_op_ids (sa); if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa) && anti_replay_window_size > 64) ipsec_sa_set_ANTI_REPLAY_HUGE (sa); clib_memcpy (&sa->crypto_key, ck, sizeof (sa->crypto_key)); sa->crypto_sync_key_index = vnet_crypto_key_add ( vm, im->crypto_algs[crypto_alg].alg, (u8 *) ck->data, ck->len); if (~0 == sa->crypto_sync_key_index) { pool_put (ipsec_sa_pool, sa); return VNET_API_ERROR_KEY_LENGTH; } if (integ_alg != IPSEC_INTEG_ALG_NONE) { sa->integ_sync_key_index = vnet_crypto_key_add ( vm, im->integ_algs[integ_alg].alg, (u8 *) ik->data, ik->len); if (~0 == sa->integ_sync_key_index) { pool_put (ipsec_sa_pool, sa); return VNET_API_ERROR_KEY_LENGTH; } } if (sa->crypto_async_enc_op_id && !ipsec_sa_is_set_IS_AEAD (sa)) sa->crypto_async_key_index = vnet_crypto_key_add_linked (vm, sa->crypto_sync_key_index, sa->integ_sync_key_index); // AES-CBC & HMAC else sa->crypto_async_key_index = sa->crypto_sync_key_index; if (im->async_mode) { ipsec_sa_set_async_mode (sa, 1); } else if (ipsec_sa_is_set_IS_ASYNC (sa)) { ipsec_sa_set_async_mode (sa, 1 /* is_enabled */); } else { ipsec_sa_set_async_mode (sa, 0 /* is_enabled */); } err = ipsec_check_support_cb (im, sa); if (err) { clib_warning ("%v", err->what); pool_put (ipsec_sa_pool, sa); return VNET_API_ERROR_UNIMPLEMENTED; } err = ipsec_call_add_del_callbacks (im, sa, sa_index, 1); if (err) { pool_put (ipsec_sa_pool, sa); return VNET_API_ERROR_SYSCALL_ERROR_1; } if (ipsec_sa_is_set_IS_TUNNEL (sa) && AF_IP6 == ip_addr_version (&tun->t_src)) ipsec_sa_set_IS_TUNNEL_V6 (sa); if (ipsec_sa_is_set_IS_TUNNEL (sa) && !ipsec_sa_is_set_IS_INBOUND (sa)) { sa->tunnel_flags = sa->tunnel.t_encap_decap_flags; rv = tunnel_resolve (&sa->tunnel, FIB_NODE_TYPE_IPSEC_SA, sa_index); if (rv) { pool_put (ipsec_sa_pool, sa); return rv; } ipsec_sa_stack (sa); /* generate header templates */ if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa)) { tunnel_build_v6_hdr (&sa->tunnel, (ipsec_sa_is_set_UDP_ENCAP (sa) ? IP_PROTOCOL_UDP : IP_PROTOCOL_IPSEC_ESP), &sa->ip6_hdr); } else { tunnel_build_v4_hdr (&sa->tunnel, (ipsec_sa_is_set_UDP_ENCAP (sa) ? IP_PROTOCOL_UDP : IP_PROTOCOL_IPSEC_ESP), &sa->ip4_hdr); } } if (ipsec_sa_is_set_UDP_ENCAP (sa)) { if (dst_port == IPSEC_UDP_PORT_NONE) sa->udp_hdr.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec); else sa->udp_hdr.dst_port = clib_host_to_net_u16 (dst_port); if (src_port == IPSEC_UDP_PORT_NONE) sa->udp_hdr.src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec); else sa->udp_hdr.src_port = clib_host_to_net_u16 (src_port); if (ipsec_sa_is_set_IS_INBOUND (sa)) ipsec_register_udp_port (clib_host_to_net_u16 (sa->udp_hdr.dst_port), !ipsec_sa_is_set_IS_TUNNEL_V6 (sa)); } /* window size rounded up to next power of 2 */ if (ipsec_sa_is_set_ANTI_REPLAY_HUGE (sa)) { anti_replay_window_size = 1 << max_log2 (anti_replay_window_size); sa->replay_window_huge = clib_bitmap_set_region (0, 0, 1, anti_replay_window_size); } else { sa->replay_window = ~0; } hash_set (im->sa_index_by_sa_id, sa->id, sa_index); if (sa_out_index) *sa_out_index = sa_index; return (0); } static void ipsec_sa_del (ipsec_sa_t * sa) { vlib_main_t *vm = vlib_get_main (); ipsec_main_t *im = &ipsec_main; u32 sa_index; sa_index = sa - ipsec_sa_pool; hash_unset (im->sa_index_by_sa_id, sa->id); tunnel_unresolve (&sa->tunnel); /* no recovery possible when deleting an SA */ (void) ipsec_call_add_del_callbacks (im, sa, sa_index, 0); if (ipsec_sa_is_set_IS_ASYNC (sa)) { if (!ipsec_sa_is_set_IS_AEAD (sa)) vnet_crypto_key_del (vm, sa->crypto_async_key_index); } if (ipsec_sa_is_set_UDP_ENCAP (sa) && ipsec_sa_is_set_IS_INBOUND (sa)) ipsec_unregister_udp_port (clib_net_to_host_u16 (sa->udp_hdr.dst_port), !ipsec_sa_is_set_IS_TUNNEL_V6 (sa)); if (ipsec_sa_is_set_IS_TUNNEL (sa) && !ipsec_sa_is_set_IS_INBOUND (sa)) dpo_reset (&sa->dpo); vnet_crypto_key_del (vm, sa->crypto_sync_key_index); if (sa->integ_alg != IPSEC_INTEG_ALG_NONE) vnet_crypto_key_del (vm, sa->integ_sync_key_index); if (ipsec_sa_is_set_ANTI_REPLAY_HUGE (sa)) clib_bitmap_free (sa->replay_window_huge); pool_put (ipsec_sa_pool, sa); } int ipsec_sa_bind (u32 id, u32 worker, bool bind) { ipsec_main_t *im = &ipsec_main; uword *p; ipsec_sa_t *sa; p = hash_get (im->sa_index_by_sa_id, id); if (!p) return VNET_API_ERROR_INVALID_VALUE; sa = ipsec_sa_get (p[0]); if (!bind) { sa->thread_index = ~0; return 0; } if (worker >= vlib_num_workers ()) return VNET_API_ERROR_INVALID_WORKER; sa->thread_index = vlib_get_worker_thread_index (worker); return 0; } void ipsec_sa_unlock (index_t sai) { ipsec_sa_t *sa; if (INDEX_INVALID == sai) return; sa = ipsec_sa_get (sai); fib_node_unlock (&sa->node); } void ipsec_sa_lock (index_t sai) { ipsec_sa_t *sa; if (INDEX_INVALID == sai) return; sa = ipsec_sa_get (sai); fib_node_lock (&sa->node); } index_t ipsec_sa_find_and_lock (u32 id) { ipsec_main_t *im = &ipsec_main; ipsec_sa_t *sa; uword *p; p = hash_get (im->sa_index_by_sa_id, id); if (!p) return INDEX_INVALID; sa = ipsec_sa_get (p[0]); fib_node_lock (&sa->node); return (p[0]); } int ipsec_sa_unlock_id (u32 id) { ipsec_main_t *im = &ipsec_main; uword *p; p = hash_get (im->sa_index_by_sa_id, id); if (!p) return VNET_API_ERROR_NO_SUCH_ENTRY; ipsec_sa_unlock (p[0]); return (0); } void ipsec_sa_clear (index_t sai) { vlib_zero_combined_counter (&ipsec_sa_counters, sai); for (int i = 0; i < IPSEC_SA_N_ERRORS; i++) vlib_zero_simple_counter (&ipsec_sa_err_counters[i], sai); } void ipsec_sa_walk (ipsec_sa_walk_cb_t cb, void *ctx) { ipsec_sa_t *sa; pool_foreach (sa, ipsec_sa_pool) { if (WALK_CONTINUE != cb (sa, ctx)) break; } } /** * Function definition to get a FIB node from its index */ static fib_node_t * ipsec_sa_fib_node_get (fib_node_index_t index) { ipsec_sa_t *sa; sa = ipsec_sa_get (index); return (&sa->node); } static ipsec_sa_t * ipsec_sa_from_fib_node (fib_node_t *node) { ASSERT (FIB_NODE_TYPE_IPSEC_SA == node->fn_type); return ( (ipsec_sa_t *) (((char *) node) - STRUCT_OFFSET_OF (ipsec_sa_t, node))); } /** * Function definition to inform the FIB node that its last lock has gone. */ static void ipsec_sa_last_lock_gone (fib_node_t *node) { /* * The ipsec SA is a root of the graph. As such * it never has children and thus is never locked. */ ipsec_sa_del (ipsec_sa_from_fib_node (node)); } /** * Function definition to backwalk a FIB node */ static fib_node_back_walk_rc_t ipsec_sa_back_walk (fib_node_t *node, fib_node_back_walk_ctx_t *ctx) { ipsec_sa_stack (ipsec_sa_from_fib_node (node)); return (FIB_NODE_BACK_WALK_CONTINUE); } /* * Virtual function table registered by SAs * for participation in the FIB object graph. */ const static fib_node_vft_t ipsec_sa_vft = { .fnv_get = ipsec_sa_fib_node_get, .fnv_last_lock = ipsec_sa_last_lock_gone, .fnv_back_walk = ipsec_sa_back_walk, }; /* Init per-SA error counters and node type */ clib_error_t * ipsec_sa_init (vlib_main_t *vm) { fib_node_register_type (FIB_NODE_TYPE_IPSEC_SA, &ipsec_sa_vft); #define _(index, val, err, desc) \ ipsec_sa_err_counters[index].name = \ (char *) format (0, "SA-" #err "%c", 0); \ ipsec_sa_err_counters[index].stat_segment_name = \ (char *) format (0, "/net/ipsec/sa/err/" #err "%c", 0); \ ipsec_sa_err_counters[index].counters = 0; foreach_ipsec_sa_err #undef _ return 0; } VLIB_INIT_FUNCTION (ipsec_sa_init); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */