X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fnat_api.c;h=8055259616f1ea6202e4dba27a8dd050ae00a09b;hp=96f69eba186efc73f1ffcc22eaa9cabda1a65645;hb=878c646a;hpb=36ea2d6d3a67a60534a7c2b58551688858a1ce7f diff --git a/src/plugins/nat/nat_api.c b/src/plugins/nat/nat_api.c index 96f69eba186..8055259616f 100644 --- a/src/plugins/nat/nat_api.c +++ b/src/plugins/nat/nat_api.c @@ -21,6 +21,10 @@ #include #include #include +#include +#include +#include +#include #include #include @@ -58,3075 +62,2827 @@ vec_free (s); \ return handle; + +/******************************/ +/*** Common NAT plugin APIs ***/ +/******************************/ + static void - vl_api_snat_add_address_range_t_handler - (vl_api_snat_add_address_range_t * mp) +vl_api_nat_control_ping_t_handler (vl_api_nat_control_ping_t * mp) { + vl_api_nat_control_ping_reply_t *rmp; snat_main_t *sm = &snat_main; - vl_api_snat_add_address_range_reply_t *rmp; - ip4_address_t this_addr; - u32 start_host_order, end_host_order; - u32 vrf_id; - int i, count; int rv = 0; - u32 *tmp; - - if (mp->is_ip4 != 1) - { - rv = VNET_API_ERROR_UNIMPLEMENTED; - goto send_reply; - } - - if (sm->static_mapping_only) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } - - tmp = (u32 *) mp->first_ip_address; - start_host_order = clib_host_to_net_u32 (tmp[0]); - tmp = (u32 *) mp->last_ip_address; - end_host_order = clib_host_to_net_u32 (tmp[0]); - - count = (end_host_order - start_host_order) + 1; - - vrf_id = clib_host_to_net_u32 (mp->vrf_id); - if (count > 1024) - clib_warning ("%U - %U, %d addresses...", - format_ip4_address, mp->first_ip_address, - format_ip4_address, mp->last_ip_address, count); - - memcpy (&this_addr.as_u8, mp->first_ip_address, 4); - - for (i = 0; i < count; i++) - { - if (mp->is_add) - snat_add_address (sm, &this_addr, vrf_id); - else - rv = snat_del_address (sm, this_addr, 0); - - if (rv) - goto send_reply; - - increment_v4_address (&this_addr); - } - -send_reply: - REPLY_MACRO (VL_API_SNAT_ADD_ADDRESS_RANGE_REPLY); + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_NAT_CONTROL_PING_REPLY, + ({ + rmp->vpe_pid = ntohl (getpid ()); + })); + /* *INDENT-ON* */ } -static void *vl_api_snat_add_address_range_t_print - (vl_api_snat_add_address_range_t * mp, void *handle) +static void * +vl_api_nat_control_ping_t_print (vl_api_nat_control_ping_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_add_address_range "); - s = format (s, "%U ", format_ip4_address, mp->first_ip_address); - if (memcmp (mp->first_ip_address, mp->last_ip_address, 4)) - { - s = format (s, " - %U ", format_ip4_address, mp->last_ip_address); - } - FINISH; -} - -static void - send_snat_address_details - (snat_address_t * a, unix_shared_memory_queue_t * q, u32 context) -{ - vl_api_snat_address_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_SNAT_ADDRESS_DETAILS + sm->msg_id_base); - rmp->is_ip4 = 1; - clib_memcpy (rmp->ip_address, &(a->addr), 4); - if (a->fib_index != ~0) - { - fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4); - rmp->vrf_id = ntohl (fib->ft_table_id); - } - else - rmp->vrf_id = ~0; - rmp->context = context; + s = format (0, "SCRIPT: nat_control_ping "); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + FINISH; } static void -vl_api_snat_address_dump_t_handler (vl_api_snat_address_dump_t * mp) +vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_nat_show_config_reply_t *rmp; snat_main_t *sm = &snat_main; - snat_address_t *a; - - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; + dslite_main_t *dm = &dslite_main; + nat64_main_t *n64m = &nat64_main; + int rv = 0; /* *INDENT-OFF* */ - vec_foreach (a, sm->addresses) - send_snat_address_details (a, q, mp->context); + REPLY_MACRO2 (VL_API_NAT_SHOW_CONFIG_REPLY, + ({ + rmp->translation_buckets = htonl (sm->translation_buckets); + rmp->translation_memory_size = htonl (sm->translation_memory_size); + rmp->user_buckets = htonl (sm->user_buckets); + rmp->user_memory_size = htonl (sm->user_memory_size); + rmp->max_translations_per_user = htonl (sm->max_translations_per_user); + rmp->outside_vrf_id = htonl (sm->outside_vrf_id); + rmp->inside_vrf_id = htonl (sm->inside_vrf_id); + rmp->static_mapping_only = sm->static_mapping_only; + rmp->static_mapping_connection_tracking = + sm->static_mapping_connection_tracking; + rmp->deterministic = sm->deterministic; + rmp->endpoint_dependent = sm->endpoint_dependent; + rmp->out2in_dpo = sm->out2in_dpo; + rmp->dslite_ce = dm->is_ce; + rmp->nat64_bib_buckets = n64m->bib_buckets; + rmp->nat64_bib_memory_size = n64m->bib_memory_size; + rmp->nat64_st_buckets = n64m->st_buckets; + rmp->nat64_st_memory_size = n64m->st_memory_size; + })); /* *INDENT-ON* */ } -static void *vl_api_snat_address_dump_t_print - (vl_api_snat_address_dump_t * mp, void *handle) +static void * +vl_api_nat_show_config_t_print (vl_api_nat_show_config_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_address_dump "); + s = format (0, "SCRIPT: nat_show_config "); FINISH; } static void - vl_api_snat_interface_add_del_feature_t_handler - (vl_api_snat_interface_add_del_feature_t * mp) +vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp) { snat_main_t *sm = &snat_main; - vl_api_snat_interface_add_del_feature_reply_t *rmp; - u8 is_del = mp->is_add == 0; - u32 sw_if_index = ntohl (mp->sw_if_index); + vl_api_nat_set_workers_reply_t *rmp; int rv = 0; + uword *bitmap = 0; + u64 mask; - VALIDATE_SW_IF_INDEX (mp); + if (sm->deterministic) + { + rv = VNET_API_ERROR_UNSUPPORTED; + goto send_reply; + } - rv = snat_interface_add_del (sw_if_index, mp->is_inside, is_del); + mask = clib_net_to_host_u64 (mp->worker_mask); - BAD_SW_IF_INDEX_LABEL; + if (sm->num_workers < 2) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto send_reply; + } + + bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask)); + rv = snat_set_workers (bitmap); + clib_bitmap_free (bitmap); - REPLY_MACRO (VL_API_SNAT_INTERFACE_ADD_DEL_FEATURE_REPLY); +send_reply: + REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY); } -static void *vl_api_snat_interface_add_del_feature_t_print - (vl_api_snat_interface_add_del_feature_t * mp, void *handle) +static void * +vl_api_nat_set_workers_t_print (vl_api_nat_set_workers_t * mp, void *handle) { u8 *s; + uword *bitmap = 0; + u8 first = 1; + int i; + u64 mask = clib_net_to_host_u64 (mp->worker_mask); - s = format (0, "SCRIPT: snat_interface_add_del_feature "); - s = format (s, "sw_if_index %d %s %s", - clib_host_to_net_u32 (mp->sw_if_index), - mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); - + s = format (0, "SCRIPT: nat_set_workers "); + bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask)); + /* *INDENT-OFF* */ + clib_bitmap_foreach (i, bitmap, + ({ + if (first) + s = format (s, "%d", i); + else + s = format (s, ",%d", i); + first = 0; + })); + /* *INDENT-ON* */ + clib_bitmap_free (bitmap); FINISH; } static void - send_snat_interface_details - (snat_interface_t * i, unix_shared_memory_queue_t * q, u32 context) +send_nat_worker_details (u32 worker_index, vl_api_registration_t * reg, + u32 context) { - vl_api_snat_interface_details_t *rmp; + vl_api_nat_worker_details_t *rmp; snat_main_t *sm = &snat_main; + vlib_worker_thread_t *w = + vlib_worker_threads + worker_index + sm->first_worker_index; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_SNAT_INTERFACE_DETAILS + sm->msg_id_base); - rmp->sw_if_index = ntohl (i->sw_if_index); - rmp->is_inside = nat_interface_is_inside (i); + rmp->_vl_msg_id = ntohs (VL_API_NAT_WORKER_DETAILS + sm->msg_id_base); rmp->context = context; + rmp->worker_index = htonl (worker_index); + rmp->lcore_id = htonl (w->lcore_id); + strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + vl_api_send_msg (reg, (u8 *) rmp); } static void -vl_api_snat_interface_dump_t_handler (vl_api_snat_interface_dump_t * mp) +vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - snat_interface_t *i; + u32 *worker_index; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + if (sm->deterministic) + return; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; /* *INDENT-OFF* */ - pool_foreach (i, sm->interfaces, - ({ - send_snat_interface_details(i, q, mp->context); - })); + vec_foreach (worker_index, sm->workers) + send_nat_worker_details(*worker_index, reg, mp->context); /* *INDENT-ON* */ } -static void *vl_api_snat_interface_dump_t_print - (vl_api_snat_interface_dump_t * mp, void *handle) +static void * +vl_api_nat_worker_dump_t_print (vl_api_nat_worker_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_interface_dump "); + s = format (0, "SCRIPT: nat_worker_dump "); FINISH; } static void - vl_api_snat_interface_add_del_output_feature_t_handler - (vl_api_snat_interface_add_del_output_feature_t * mp) +vl_api_nat_ipfix_enable_disable_t_handler (vl_api_nat_ipfix_enable_disable_t * + mp) { snat_main_t *sm = &snat_main; - vl_api_snat_interface_add_del_output_feature_reply_t *rmp; - u8 is_del = mp->is_add == 0; - u32 sw_if_index = ntohl (mp->sw_if_index); + vl_api_nat_ipfix_enable_disable_reply_t *rmp; int rv = 0; - VALIDATE_SW_IF_INDEX (mp); - - rv = snat_interface_add_del_output_feature (sw_if_index, mp->is_inside, - is_del); - - BAD_SW_IF_INDEX_LABEL; + rv = snat_ipfix_logging_enable_disable (mp->enable, + clib_host_to_net_u32 + (mp->domain_id), + clib_host_to_net_u16 + (mp->src_port)); - REPLY_MACRO (VL_API_SNAT_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY); + REPLY_MACRO (VL_API_NAT_IPFIX_ENABLE_DISABLE_REPLY); } -static void *vl_api_snat_interface_add_del_output_feature_t_print - (vl_api_snat_interface_add_del_output_feature_t * mp, void *handle) +static void * +vl_api_nat_ipfix_enable_disable_t_print (vl_api_nat_ipfix_enable_disable_t * + mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_interface_add_del_output_feature "); - s = format (s, "sw_if_index %d %s %s", - clib_host_to_net_u32 (mp->sw_if_index), - mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); + s = format (0, "SCRIPT: nat_ipfix_enable_disable "); + if (mp->domain_id) + s = format (s, "domain %d ", clib_net_to_host_u32 (mp->domain_id)); + if (mp->src_port) + s = format (s, "src_port %d ", clib_net_to_host_u16 (mp->src_port)); + if (!mp->enable) + s = format (s, "disable "); FINISH; } static void -send_snat_interface_output_feature_details (snat_interface_t * i, - unix_shared_memory_queue_t * q, - u32 context) +vl_api_nat_set_reass_t_handler (vl_api_nat_set_reass_t * mp) { - vl_api_snat_interface_output_feature_details_t *rmp; snat_main_t *sm = &snat_main; + vl_api_nat_set_reass_reply_t *rmp; + int rv = 0; - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_SNAT_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base); - rmp->sw_if_index = ntohl (i->sw_if_index); - rmp->context = context; - rmp->is_inside = nat_interface_is_inside (i); + rv = + nat_reass_set (ntohl (mp->timeout), ntohs (mp->max_reass), mp->max_frag, + mp->drop_frag, mp->is_ip6); + + REPLY_MACRO (VL_API_NAT_SET_REASS_REPLY); +} + +static void * +vl_api_nat_set_reass_t_print (vl_api_nat_set_reass_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: nat_set_reass "); + s = format (s, "timeout %d max_reass %d max_frag %d drop_frag %d is_ip6 %d", + clib_host_to_net_u32 (mp->timeout), + clib_host_to_net_u16 (mp->max_reass), + mp->max_frag, mp->drop_frag, mp->is_ip6); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + FINISH; } static void - vl_api_snat_interface_output_feature_dump_t_handler - (vl_api_snat_interface_output_feature_dump_t * mp) +vl_api_nat_get_reass_t_handler (vl_api_nat_get_reass_t * mp) { - unix_shared_memory_queue_t *q; snat_main_t *sm = &snat_main; - snat_interface_t *i; - - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; + vl_api_nat_get_reass_reply_t *rmp; + int rv = 0; /* *INDENT-OFF* */ - pool_foreach (i, sm->output_feature_interfaces, + REPLY_MACRO2 (VL_API_NAT_GET_REASS_REPLY, ({ - send_snat_interface_output_feature_details(i, q, mp->context); - })); + rmp->ip4_timeout = htonl (nat_reass_get_timeout(0)); + rmp->ip4_max_reass = htons (nat_reass_get_max_reass(0)); + rmp->ip4_max_frag = nat_reass_get_max_frag(0); + rmp->ip4_drop_frag = nat_reass_is_drop_frag(0); + rmp->ip6_timeout = htonl (nat_reass_get_timeout(1)); + rmp->ip6_max_reass = htons (nat_reass_get_max_reass(1)); + rmp->ip6_max_frag = nat_reass_get_max_frag(1); + rmp->ip6_drop_frag = nat_reass_is_drop_frag(1); + })) /* *INDENT-ON* */ } -static void *vl_api_snat_interface_output_feature_dump_t_print - (vl_api_snat_interface_output_feature_dump_t * mp, void *handle) +static void * +vl_api_nat_get_reass_t_print (vl_api_nat_get_reass_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_interface_output_feature_dump "); + s = format (0, "SCRIPT: nat_get_reass"); FINISH; } -static void - vl_api_snat_add_static_mapping_t_handler - (vl_api_snat_add_static_mapping_t * mp) +typedef struct nat_api_walk_ctx_t_ +{ + vl_api_registration_t *reg; + u32 context; +} nat_api_walk_ctx_t; + +static int +nat_ip4_reass_walk_api (nat_reass_ip4_t * reass, void *arg) { + vl_api_nat_reass_details_t *rmp; snat_main_t *sm = &snat_main; - vl_api_snat_add_static_mapping_reply_t *rmp; - ip4_address_t local_addr, external_addr; - u16 local_port = 0, external_port = 0; - u32 vrf_id, external_sw_if_index; - int rv = 0; - snat_protocol_t proto; + nat_api_walk_ctx_t *ctx = arg; - if (mp->is_ip4 != 1) - { - rv = VNET_API_ERROR_UNIMPLEMENTED; - goto send_reply; - } + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base); + rmp->context = ctx->context; + clib_memcpy (rmp->src_addr, &(reass->key.src), 4); + clib_memcpy (rmp->dst_addr, &(reass->key.dst), 4); + rmp->proto = reass->key.proto; + rmp->frag_id = ntohl (reass->key.frag_id); + rmp->frag_n = reass->frag_n; + rmp->is_ip4 = 1; - memcpy (&local_addr.as_u8, mp->local_ip_address, 4); - memcpy (&external_addr.as_u8, mp->external_ip_address, 4); - if (mp->addr_only == 0) - { - local_port = clib_net_to_host_u16 (mp->local_port); - external_port = clib_net_to_host_u16 (mp->external_port); - } - vrf_id = clib_net_to_host_u32 (mp->vrf_id); - external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index); - proto = ip_proto_to_snat_proto (mp->protocol); - - rv = snat_add_static_mapping (local_addr, external_addr, local_port, - external_port, vrf_id, mp->addr_only, - external_sw_if_index, proto, mp->is_add); - -send_reply: - REPLY_MACRO (VL_API_SNAT_ADD_ADDRESS_RANGE_REPLY); -} - -static void *vl_api_snat_add_static_mapping_t_print - (vl_api_snat_add_static_mapping_t * mp, void *handle) -{ - u8 *s; + vl_api_send_msg (ctx->reg, (u8 *) rmp); - s = format (0, "SCRIPT: snat_add_static_mapping "); - s = format (s, "protocol %d local_addr %U external_addr %U ", - mp->protocol, - format_ip4_address, mp->local_ip_address, - format_ip4_address, mp->external_ip_address); - - if (mp->addr_only == 0) - s = format (s, "local_port %d external_port %d ", - clib_net_to_host_u16 (mp->local_port), - clib_net_to_host_u16 (mp->external_port)); - - if (mp->vrf_id != ~0) - s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id)); - - if (mp->external_sw_if_index != ~0) - s = format (s, "external_sw_if_index %d", - clib_net_to_host_u32 (mp->external_sw_if_index)); - FINISH; + return 0; } -static void - send_snat_static_mapping_details - (snat_static_mapping_t * m, unix_shared_memory_queue_t * q, u32 context) +static int +nat_ip6_reass_walk_api (nat_reass_ip6_t * reass, void *arg) { - vl_api_snat_static_mapping_details_t *rmp; + vl_api_nat_reass_details_t *rmp; snat_main_t *sm = &snat_main; + nat_api_walk_ctx_t *ctx = arg; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_SNAT_STATIC_MAPPING_DETAILS + sm->msg_id_base); - rmp->is_ip4 = 1; - rmp->addr_only = m->addr_only; - clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4); - clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4); - rmp->local_port = htons (m->local_port); - rmp->external_port = htons (m->external_port); - rmp->external_sw_if_index = ~0; - rmp->vrf_id = htonl (m->vrf_id); - rmp->protocol = snat_proto_to_ip_proto (m->proto); - rmp->context = context; - - vl_msg_api_send_shmem (q, (u8 *) & rmp); -} - -static void - send_snat_static_map_resolve_details - (snat_static_map_resolve_t * m, unix_shared_memory_queue_t * q, u32 context) -{ - vl_api_snat_static_mapping_details_t *rmp; - snat_main_t *sm = &snat_main; + rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base); + rmp->context = ctx->context; + clib_memcpy (rmp->src_addr, &(reass->key.src), 16); + clib_memcpy (rmp->dst_addr, &(reass->key.dst), 16); + rmp->proto = reass->key.proto; + rmp->frag_id = ntohl (reass->key.frag_id); + rmp->frag_n = reass->frag_n; + rmp->is_ip4 = 0; - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_SNAT_STATIC_MAPPING_DETAILS + sm->msg_id_base); - rmp->is_ip4 = 1; - rmp->addr_only = m->addr_only; - clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4); - rmp->local_port = htons (m->l_port); - rmp->external_port = htons (m->e_port); - rmp->external_sw_if_index = htonl (m->sw_if_index); - rmp->vrf_id = htonl (m->vrf_id); - rmp->protocol = snat_proto_to_ip_proto (m->proto); - rmp->context = context; + vl_api_send_msg (ctx->reg, (u8 *) rmp); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + return 0; } static void - vl_api_snat_static_mapping_dump_t_handler - (vl_api_snat_static_mapping_dump_t * mp) +vl_api_nat_reass_dump_t_handler (vl_api_nat_reass_dump_t * mp) { - unix_shared_memory_queue_t *q; - snat_main_t *sm = &snat_main; - snat_static_mapping_t *m; - snat_static_map_resolve_t *rp; - int j; + vl_api_registration_t *reg; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; - /* *INDENT-OFF* */ - pool_foreach (m, sm->static_mappings, - ({ - if (!vec_len(m->locals)) - send_snat_static_mapping_details (m, q, mp->context); - })); - /* *INDENT-ON* */ + nat_api_walk_ctx_t ctx = { + .reg = reg, + .context = mp->context, + }; - for (j = 0; j < vec_len (sm->to_resolve); j++) - { - rp = sm->to_resolve + j; - send_snat_static_map_resolve_details (rp, q, mp->context); - } + nat_ip4_reass_walk (nat_ip4_reass_walk_api, &ctx); + nat_ip6_reass_walk (nat_ip6_reass_walk_api, &ctx); } -static void *vl_api_snat_static_mapping_dump_t_print - (vl_api_snat_static_mapping_dump_t * mp, void *handle) +static void * +vl_api_nat_reass_dump_t_print (vl_api_nat_reass_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_static_mapping_dump "); + s = format (0, "SCRIPT: nat_reass_dump"); FINISH; } static void -vl_api_snat_control_ping_t_handler (vl_api_snat_control_ping_t * mp) +vl_api_nat_set_timeouts_t_handler (vl_api_nat_set_timeouts_t * mp) { - vl_api_snat_control_ping_reply_t *rmp; snat_main_t *sm = &snat_main; + vl_api_nat_set_timeouts_reply_t *rmp; int rv = 0; - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_SNAT_CONTROL_PING_REPLY, - ({ - rmp->vpe_pid = ntohl (getpid ()); - })); - /* *INDENT-ON* */ + sm->udp_timeout = ntohl (mp->udp); + sm->tcp_established_timeout = ntohl (mp->tcp_established); + sm->tcp_transitory_timeout = ntohl (mp->tcp_transitory); + sm->icmp_timeout = ntohl (mp->icmp); + + rv = nat64_set_icmp_timeout (ntohl (mp->icmp)); + if (rv) + goto send_reply; + rv = nat64_set_udp_timeout (ntohl (mp->udp)); + if (rv) + goto send_reply; + rv = + nat64_set_tcp_timeouts (ntohl (mp->tcp_transitory), + ntohl (mp->tcp_established)); + +send_reply: + REPLY_MACRO (VL_API_NAT_SET_TIMEOUTS_REPLY); } -static void *vl_api_snat_control_ping_t_print - (vl_api_snat_control_ping_t * mp, void *handle) +static void * +vl_api_nat_set_timeouts_t_print (vl_api_nat_set_timeouts_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_control_ping "); + s = format (0, "SCRIPT: nat_set_timeouts "); + s = format (s, "udp %d tcp_established %d tcp_transitory %d icmp %d\n", + ntohl (mp->udp), + ntohl (mp->tcp_established), + ntohl (mp->tcp_transitory), ntohl (mp->icmp)); FINISH; } static void -vl_api_snat_show_config_t_handler (vl_api_snat_show_config_t * mp) +vl_api_nat_get_timeouts_t_handler (vl_api_nat_get_timeouts_t * mp) { - vl_api_snat_show_config_reply_t *rmp; snat_main_t *sm = &snat_main; + vl_api_nat_get_timeouts_reply_t *rmp; int rv = 0; /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_SNAT_SHOW_CONFIG_REPLY, + REPLY_MACRO2 (VL_API_NAT_GET_TIMEOUTS_REPLY, ({ - rmp->translation_buckets = htonl (sm->translation_buckets); - rmp->translation_memory_size = htonl (sm->translation_memory_size); - rmp->user_buckets = htonl (sm->user_buckets); - rmp->user_memory_size = htonl (sm->user_memory_size); - rmp->max_translations_per_user = htonl (sm->max_translations_per_user); - rmp->outside_vrf_id = htonl (sm->outside_vrf_id); - rmp->inside_vrf_id = htonl (sm->inside_vrf_id); - rmp->static_mapping_only = sm->static_mapping_only; - rmp->static_mapping_connection_tracking = - sm->static_mapping_connection_tracking; - rmp->deterministic = sm->deterministic; - })); + rmp->udp = htonl (sm->udp_timeout); + rmp->tcp_established = htonl (sm->tcp_established_timeout); + rmp->tcp_transitory = htonl (sm->tcp_transitory_timeout); + rmp->icmp = htonl (sm->icmp_timeout); + })) /* *INDENT-ON* */ } -static void *vl_api_snat_show_config_t_print - (vl_api_snat_show_config_t * mp, void *handle) +static void * +vl_api_nat_get_timeouts_t_print (vl_api_nat_get_timeouts_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_show_config "); + s = format (0, "SCRIPT: nat_get_timeouts"); FINISH; } +/*************/ +/*** NAT44 ***/ +/*************/ static void -vl_api_snat_set_workers_t_handler (vl_api_snat_set_workers_t * mp) + vl_api_nat44_add_del_address_range_t_handler + (vl_api_nat44_add_del_address_range_t * mp) { snat_main_t *sm = &snat_main; - vl_api_snat_set_workers_reply_t *rmp; + vl_api_nat44_add_del_address_range_reply_t *rmp; + ip4_address_t this_addr; + u32 start_host_order, end_host_order; + u32 vrf_id; + int i, count; int rv = 0; - uword *bitmap = 0; - u64 mask = clib_net_to_host_u64 (mp->worker_mask); + u32 *tmp; - if (sm->num_workers < 2) + if (sm->deterministic) + { + rv = VNET_API_ERROR_UNSUPPORTED; + goto send_reply; + } + + if (sm->static_mapping_only) { rv = VNET_API_ERROR_FEATURE_DISABLED; goto send_reply; } - bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask)); - rv = snat_set_workers (bitmap); - clib_bitmap_free (bitmap); + tmp = (u32 *) mp->first_ip_address; + start_host_order = clib_host_to_net_u32 (tmp[0]); + tmp = (u32 *) mp->last_ip_address; + end_host_order = clib_host_to_net_u32 (tmp[0]); + + count = (end_host_order - start_host_order) + 1; + + vrf_id = clib_host_to_net_u32 (mp->vrf_id); + + if (count > 1024) + nat_log_info ("%U - %U, %d addresses...", + format_ip4_address, mp->first_ip_address, + format_ip4_address, mp->last_ip_address, count); + + memcpy (&this_addr.as_u8, mp->first_ip_address, 4); + + for (i = 0; i < count; i++) + { + if (mp->is_add) + rv = snat_add_address (sm, &this_addr, vrf_id, mp->twice_nat); + else + rv = snat_del_address (sm, this_addr, 0, mp->twice_nat); + + if (rv) + goto send_reply; + + if (sm->out2in_dpo) + nat44_add_del_address_dpo (this_addr, mp->is_add); + + increment_v4_address (&this_addr); + } send_reply: - REPLY_MACRO (VL_API_SNAT_SET_WORKERS_REPLY); + REPLY_MACRO (VL_API_NAT44_ADD_DEL_ADDRESS_RANGE_REPLY); } -static void *vl_api_snat_set_workers_t_print - (vl_api_snat_set_workers_t * mp, void *handle) +static void *vl_api_nat44_add_del_address_range_t_print + (vl_api_nat44_add_del_address_range_t * mp, void *handle) { u8 *s; - uword *bitmap = 0; - u8 first = 1; - int i; - u64 mask = clib_net_to_host_u64 (mp->worker_mask); - s = format (0, "SCRIPT: snat_set_workers "); - bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask)); - /* *INDENT-OFF* */ - clib_bitmap_foreach (i, bitmap, - ({ - if (first) - s = format (s, "%d", i); - else - s = format (s, ",%d", i); - first = 0; - })); - /* *INDENT-ON* */ - clib_bitmap_free (bitmap); + s = format (0, "SCRIPT: nat44_add_address_range "); + s = format (s, "%U ", format_ip4_address, mp->first_ip_address); + if (memcmp (mp->first_ip_address, mp->last_ip_address, 4)) + { + s = format (s, " - %U ", format_ip4_address, mp->last_ip_address); + } + s = format (s, "twice_nat %d ", mp->twice_nat); FINISH; } static void - send_snat_worker_details - (u32 worker_index, unix_shared_memory_queue_t * q, u32 context) +send_nat44_address_details (snat_address_t * a, + vl_api_registration_t * reg, u32 context, + u8 twice_nat) { - vl_api_snat_worker_details_t *rmp; + vl_api_nat44_address_details_t *rmp; snat_main_t *sm = &snat_main; - vlib_worker_thread_t *w = - vlib_worker_threads + worker_index + sm->first_worker_index; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_SNAT_WORKER_DETAILS + sm->msg_id_base); + rmp->_vl_msg_id = ntohs (VL_API_NAT44_ADDRESS_DETAILS + sm->msg_id_base); + clib_memcpy (rmp->ip_address, &(a->addr), 4); + if (a->fib_index != ~0) + { + fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4); + rmp->vrf_id = ntohl (fib->ft_table_id); + } + else + rmp->vrf_id = ~0; + rmp->twice_nat = twice_nat; rmp->context = context; - rmp->worker_index = htonl (worker_index); - rmp->lcore_id = htonl (w->lcore_id); - strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + vl_api_send_msg (reg, (u8 *) rmp); } static void -vl_api_snat_worker_dump_t_handler (vl_api_snat_worker_dump_t * mp) +vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - u32 *worker_index; + snat_address_t *a; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + if (sm->deterministic) + return; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; /* *INDENT-OFF* */ - vec_foreach (worker_index, sm->workers) - send_snat_worker_details(*worker_index, q, mp->context); + vec_foreach (a, sm->addresses) + send_nat44_address_details (a, reg, mp->context, 0); + vec_foreach (a, sm->twice_nat_addresses) + send_nat44_address_details (a, reg, mp->context, 1); /* *INDENT-ON* */ } -static void *vl_api_snat_worker_dump_t_print - (vl_api_snat_worker_dump_t * mp, void *handle) +static void * +vl_api_nat44_address_dump_t_print (vl_api_nat44_address_dump_t * mp, + void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_worker_dump "); + s = format (0, "SCRIPT: nat44_address_dump "); FINISH; } static void - vl_api_snat_add_del_interface_addr_t_handler - (vl_api_snat_add_del_interface_addr_t * mp) + vl_api_nat44_interface_add_del_feature_t_handler + (vl_api_nat44_interface_add_del_feature_t * mp) { snat_main_t *sm = &snat_main; - vl_api_snat_add_del_interface_addr_reply_t *rmp; + vl_api_nat44_interface_add_del_feature_reply_t *rmp; u8 is_del = mp->is_add == 0; u32 sw_if_index = ntohl (mp->sw_if_index); int rv = 0; VALIDATE_SW_IF_INDEX (mp); - rv = snat_add_interface_address (sm, sw_if_index, is_del); + rv = snat_interface_add_del (sw_if_index, mp->is_inside, is_del); BAD_SW_IF_INDEX_LABEL; - REPLY_MACRO (VL_API_SNAT_ADD_DEL_INTERFACE_ADDR_REPLY); + REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY); } -static void *vl_api_snat_add_del_interface_addr_t_print - (vl_api_snat_add_del_interface_addr_t * mp, void *handle) +static void *vl_api_nat44_interface_add_del_feature_t_print + (vl_api_nat44_interface_add_del_feature_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_add_del_interface_addr "); - s = format (s, "sw_if_index %d %s", + s = format (0, "SCRIPT: nat44_interface_add_del_feature "); + s = format (s, "sw_if_index %d %s %s", clib_host_to_net_u32 (mp->sw_if_index), - mp->is_add ? "" : "del"); + mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); FINISH; } static void - send_snat_interface_addr_details - (u32 sw_if_index, unix_shared_memory_queue_t * q, u32 context) +send_nat44_interface_details (snat_interface_t * i, + vl_api_registration_t * reg, u32 context) { - vl_api_snat_interface_addr_details_t *rmp; + vl_api_nat44_interface_details_t *rmp; snat_main_t *sm = &snat_main; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_SNAT_INTERFACE_ADDR_DETAILS + sm->msg_id_base); - rmp->sw_if_index = ntohl (sw_if_index); + rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base); + rmp->sw_if_index = ntohl (i->sw_if_index); + rmp->is_inside = (nat_interface_is_inside (i) + && nat_interface_is_outside (i)) ? 2 : + nat_interface_is_inside (i); rmp->context = context; - vl_msg_api_send_shmem (q, (u8 *) & rmp); + vl_api_send_msg (reg, (u8 *) rmp); } static void - vl_api_snat_interface_addr_dump_t_handler - (vl_api_snat_interface_addr_dump_t * mp) +vl_api_nat44_interface_dump_t_handler (vl_api_nat44_interface_dump_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - u32 *i; + snat_interface_t *i; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; /* *INDENT-OFF* */ - vec_foreach (i, sm->auto_add_sw_if_indices) - send_snat_interface_addr_details(*i, q, mp->context); + pool_foreach (i, sm->interfaces, + ({ + send_nat44_interface_details(i, reg, mp->context); + })); /* *INDENT-ON* */ } -static void *vl_api_snat_interface_addr_dump_t_print - (vl_api_snat_interface_addr_dump_t * mp, void *handle) -{ +static void * +vl_api_nat44_interface_dump_t_print (vl_api_nat44_interface_dump_t * mp, + void *handle) +{ u8 *s; - s = format (0, "SCRIPT: snat_interface_addr_dump "); + s = format (0, "SCRIPT: nat44_interface_dump "); FINISH; } static void - vl_api_snat_ipfix_enable_disable_t_handler - (vl_api_snat_ipfix_enable_disable_t * mp) + vl_api_nat44_interface_add_del_output_feature_t_handler + (vl_api_nat44_interface_add_del_output_feature_t * mp) { snat_main_t *sm = &snat_main; - vl_api_snat_ipfix_enable_disable_reply_t *rmp; + vl_api_nat44_interface_add_del_output_feature_reply_t *rmp; + u8 is_del = mp->is_add == 0; + u32 sw_if_index = ntohl (mp->sw_if_index); int rv = 0; - rv = snat_ipfix_logging_enable_disable (mp->enable, - clib_host_to_net_u32 - (mp->domain_id), - clib_host_to_net_u16 - (mp->src_port)); + if (sm->deterministic) + { + rv = VNET_API_ERROR_UNSUPPORTED; + goto send_reply; + } + + VALIDATE_SW_IF_INDEX (mp); - REPLY_MACRO (VL_API_SNAT_IPFIX_ENABLE_DISABLE_REPLY); + rv = snat_interface_add_del_output_feature (sw_if_index, mp->is_inside, + is_del); + + BAD_SW_IF_INDEX_LABEL; +send_reply: + REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY); } -static void *vl_api_snat_ipfix_enable_disable_t_print - (vl_api_snat_ipfix_enable_disable_t * mp, void *handle) +static void *vl_api_nat44_interface_add_del_output_feature_t_print + (vl_api_nat44_interface_add_del_output_feature_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_ipfix_enable_disable "); - if (mp->domain_id) - s = format (s, "domain %d ", clib_net_to_host_u32 (mp->domain_id)); - if (mp->src_port) - s = format (s, "src_port %d ", clib_net_to_host_u16 (mp->src_port)); - if (!mp->enable) - s = format (s, "disable "); + s = format (0, "SCRIPT: nat44_interface_add_del_output_feature "); + s = format (s, "sw_if_index %d %s %s", + clib_host_to_net_u32 (mp->sw_if_index), + mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); FINISH; } static void - send_snat_user_details - (snat_user_t * u, unix_shared_memory_queue_t * q, u32 context) +send_nat44_interface_output_feature_details (snat_interface_t * i, + vl_api_registration_t * reg, + u32 context) { - vl_api_snat_user_details_t *rmp; + vl_api_nat44_interface_output_feature_details_t *rmp; snat_main_t *sm = &snat_main; - fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4); rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_SNAT_USER_DETAILS + sm->msg_id_base); - - rmp->vrf_id = ntohl (fib->ft_table_id); - - rmp->is_ip4 = 1; - clib_memcpy (rmp->ip_address, &(u->addr), 4); - rmp->nsessions = ntohl (u->nsessions); - rmp->nstaticsessions = ntohl (u->nstaticsessions); + rmp->_vl_msg_id = + ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base); + rmp->sw_if_index = ntohl (i->sw_if_index); rmp->context = context; + rmp->is_inside = nat_interface_is_inside (i); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + vl_api_send_msg (reg, (u8 *) rmp); } static void -vl_api_snat_user_dump_t_handler (vl_api_snat_user_dump_t * mp) + vl_api_nat44_interface_output_feature_dump_t_handler + (vl_api_nat44_interface_output_feature_dump_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm; - snat_user_t *u; + snat_interface_t *i; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + if (sm->deterministic) + return; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; /* *INDENT-OFF* */ - vec_foreach (tsm, sm->per_thread_data) - vec_foreach (u, tsm->users) - send_snat_user_details (u, q, mp->context); + pool_foreach (i, sm->output_feature_interfaces, + ({ + send_nat44_interface_output_feature_details(i, reg, mp->context); + })); /* *INDENT-ON* */ } -static void *vl_api_snat_user_dump_t_print - (vl_api_snat_user_dump_t * mp, void *handle) +static void *vl_api_nat44_interface_output_feature_dump_t_print + (vl_api_nat44_interface_output_feature_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_user_dump "); + s = format (0, "SCRIPT: nat44_interface_output_feature_dump "); FINISH; } static void - send_snat_user_session_details - (snat_session_t * s, unix_shared_memory_queue_t * q, u32 context) + vl_api_nat44_add_del_static_mapping_t_handler + (vl_api_nat44_add_del_static_mapping_t * mp) { - vl_api_snat_user_session_details_t *rmp; snat_main_t *sm = &snat_main; + vl_api_nat44_add_del_static_mapping_reply_t *rmp; + ip4_address_t local_addr, external_addr; + u16 local_port = 0, external_port = 0; + u32 vrf_id, external_sw_if_index; + twice_nat_type_t twice_nat = TWICE_NAT_DISABLED; + int rv = 0; + snat_protocol_t proto; + u8 *tag = 0; - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_SNAT_USER_SESSION_DETAILS + sm->msg_id_base); - rmp->is_ip4 = 1; - clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4); - clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4); - rmp->is_static = s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING ? 1 : 0; - rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard); - rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes); - rmp->total_pkts = ntohl (s->total_pkts); - rmp->context = context; - if (snat_is_unk_proto_session (s)) + if (sm->deterministic) { - rmp->outside_port = 0; - rmp->inside_port = 0; - rmp->protocol = ntohs (s->in2out.port); + rv = VNET_API_ERROR_UNSUPPORTED; + goto send_reply; } - else + + memcpy (&local_addr.as_u8, mp->local_ip_address, 4); + memcpy (&external_addr.as_u8, mp->external_ip_address, 4); + if (mp->addr_only == 0) { - rmp->outside_port = s->out2in.port; - rmp->inside_port = s->in2out.port; - rmp->protocol = ntohs (snat_proto_to_ip_proto (s->in2out.protocol)); + local_port = clib_net_to_host_u16 (mp->local_port); + external_port = clib_net_to_host_u16 (mp->external_port); } + vrf_id = clib_net_to_host_u32 (mp->vrf_id); + external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index); + proto = ip_proto_to_snat_proto (mp->protocol); + if (mp->twice_nat) + twice_nat = TWICE_NAT; + else if (mp->self_twice_nat) + twice_nat = TWICE_NAT_SELF; + mp->tag[sizeof (mp->tag) - 1] = 0; + tag = format (0, "%s", mp->tag); + vec_terminate_c_string (tag); - vl_msg_api_send_shmem (q, (u8 *) & rmp); -} - -static void - vl_api_snat_user_session_dump_t_handler - (vl_api_snat_user_session_dump_t * mp) -{ - unix_shared_memory_queue_t *q; - snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm; - snat_session_t *s; - clib_bihash_kv_8_8_t key, value; - snat_user_key_t ukey; - snat_user_t *u; - u32 session_index, head_index, elt_index; - dlist_elt_t *head, *elt; - ip4_header_t ip; - - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; - if (!mp->is_ip4) - return; - - clib_memcpy (&ukey.addr, mp->ip_address, 4); - ip.src_address.as_u32 = ukey.addr.as_u32; - ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id)); - key.key = ukey.as_u64; - if (sm->num_workers) - tsm = - vec_elt_at_index (sm->per_thread_data, - sm->worker_in2out_cb (&ip, ukey.fib_index)); - else - tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); - if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value)) - return; - u = pool_elt_at_index (tsm->users, value.value); - if (!u->nsessions && !u->nstaticsessions) - return; - - head_index = u->sessions_per_user_list_head_index; - head = pool_elt_at_index (tsm->list_pool, head_index); - elt_index = head->next; - elt = pool_elt_at_index (tsm->list_pool, elt_index); - session_index = elt->value; - while (session_index != ~0) - { - s = pool_elt_at_index (tsm->sessions, session_index); + rv = snat_add_static_mapping (local_addr, external_addr, local_port, + external_port, vrf_id, mp->addr_only, + external_sw_if_index, proto, mp->is_add, + twice_nat, mp->out2in_only, tag); - send_snat_user_session_details (s, q, mp->context); + vec_free (tag); - elt_index = elt->next; - elt = pool_elt_at_index (tsm->list_pool, elt_index); - session_index = elt->value; - } +send_reply: + REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY); } -static void *vl_api_snat_user_session_dump_t_print - (vl_api_snat_user_session_dump_t * mp, void *handle) +static void *vl_api_nat44_add_del_static_mapping_t_print + (vl_api_nat44_add_del_static_mapping_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_user_session_dump "); - s = format (s, "ip_address %U vrf_id %d\n", - format_ip4_address, mp->ip_address, - clib_net_to_host_u32 (mp->vrf_id)); + s = format (0, "SCRIPT: nat44_add_del_static_mapping "); + s = format (s, "protocol %d local_addr %U external_addr %U ", + mp->protocol, + format_ip4_address, mp->local_ip_address, + format_ip4_address, mp->external_ip_address); + + if (mp->addr_only == 0) + s = format (s, "local_port %d external_port %d ", + clib_net_to_host_u16 (mp->local_port), + clib_net_to_host_u16 (mp->external_port)); + + s = format (s, "twice_nat %d out2in_only %d ", + mp->twice_nat, mp->out2in_only); + + if (mp->vrf_id != ~0) + s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id)); + if (mp->external_sw_if_index != ~0) + s = format (s, "external_sw_if_index %d", + clib_net_to_host_u32 (mp->external_sw_if_index)); FINISH; } -/******************************************************************/ -/*** detrministic NAT/CGN (old, will be deprecated after 17.10) ***/ -/******************************************************************/ - static void -vl_api_snat_add_det_map_t_handler (vl_api_snat_add_det_map_t * mp) +send_nat44_static_mapping_details (snat_static_mapping_t * m, + vl_api_registration_t * reg, u32 context) { + vl_api_nat44_static_mapping_details_t *rmp; snat_main_t *sm = &snat_main; - vl_api_snat_add_det_map_reply_t *rmp; - int rv = 0; - ip4_address_t in_addr, out_addr; - clib_memcpy (&in_addr, mp->in_addr, 4); - clib_memcpy (&out_addr, mp->out_addr, 4); - rv = snat_det_add_map (sm, &in_addr, mp->in_plen, &out_addr, - mp->out_plen, mp->is_add); + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = + ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base); + rmp->addr_only = m->addr_only; + clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4); + clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4); + rmp->external_sw_if_index = ~0; + rmp->vrf_id = htonl (m->vrf_id); + rmp->context = context; + if (m->twice_nat == TWICE_NAT) + rmp->twice_nat = 1; + else if (m->twice_nat == TWICE_NAT_SELF) + rmp->self_twice_nat = 1; + rmp->out2in_only = m->out2in_only; + if (m->addr_only == 0) + { + rmp->protocol = snat_proto_to_ip_proto (m->proto); + rmp->external_port = htons (m->external_port); + rmp->local_port = htons (m->local_port); + } + if (m->tag) + strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); - REPLY_MACRO (VL_API_SNAT_ADD_DET_MAP_REPLY); + vl_api_send_msg (reg, (u8 *) rmp); } -static void *vl_api_snat_add_det_map_t_print - (vl_api_snat_add_det_map_t * mp, void *handle) +static void +send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m, + vl_api_registration_t * reg, + u32 context) { - u8 *s; + vl_api_nat44_static_mapping_details_t *rmp; + snat_main_t *sm = &snat_main; - s = format (0, "SCRIPT: snat_add_det_map "); - s = format (s, "inside address %U/%d outside address %U/%d\n", - format_ip4_address, mp->in_addr, mp->in_plen, - format_ip4_address, mp->out_addr, mp->out_plen); + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = + ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base); + rmp->addr_only = m->addr_only; + clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4); + rmp->external_sw_if_index = htonl (m->sw_if_index); + rmp->vrf_id = htonl (m->vrf_id); + rmp->context = context; + rmp->twice_nat = m->twice_nat; + if (m->addr_only == 0) + { + rmp->protocol = snat_proto_to_ip_proto (m->proto); + rmp->external_port = htons (m->e_port); + rmp->local_port = htons (m->l_port); + } + if (m->tag) + strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); - FINISH; + vl_api_send_msg (reg, (u8 *) rmp); } static void -vl_api_snat_det_forward_t_handler (vl_api_snat_det_forward_t * mp) +vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t + * mp) { + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - vl_api_snat_det_forward_reply_t *rmp; - int rv = 0; - u16 lo_port = 0, hi_port = 0; - snat_det_map_t *dm; - ip4_address_t in_addr, out_addr; + snat_static_mapping_t *m; + snat_static_map_resolve_t *rp; + int j; - out_addr.as_u32 = 0; - clib_memcpy (&in_addr, mp->in_addr, 4); - dm = snat_det_map_by_user (sm, &in_addr); - if (!dm) - { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; - goto send_reply; - } + if (sm->deterministic) + return; - snat_det_forward (dm, &in_addr, &out_addr, &lo_port); - hi_port = lo_port + dm->ports_per_host - 1; + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; -send_reply: /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_SNAT_DET_FORWARD_REPLY, + pool_foreach (m, sm->static_mappings, ({ - rmp->out_port_lo = ntohs (lo_port); - rmp->out_port_hi = ntohs (hi_port); - rmp->is_ip4 = 1; - memset (rmp->out_addr, 0, 16); - clib_memcpy (rmp->out_addr, &out_addr, 4); - })) + if (!vec_len (m->locals) && + ((m->local_port != m->external_port) + || (m->local_addr.as_u32 != m->external_addr.as_u32))) + send_nat44_static_mapping_details (m, reg, mp->context); + })); /* *INDENT-ON* */ + + for (j = 0; j < vec_len (sm->to_resolve); j++) + { + rp = sm->to_resolve + j; + if (rp->l_addr.as_u32 != 0) + send_nat44_static_map_resolve_details (rp, reg, mp->context); + } } -static void *vl_api_snat_det_forward_t_print - (vl_api_snat_det_forward_t * mp, void *handle) +static void * +vl_api_nat44_static_mapping_dump_t_print (vl_api_nat44_static_mapping_dump_t * + mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: smat_det_forward_t"); - s = format (s, "inside ip address %U\n", format_ip4_address, mp->in_addr); + s = format (0, "SCRIPT: nat44_static_mapping_dump "); FINISH; } static void -vl_api_snat_det_reverse_t_handler (vl_api_snat_det_reverse_t * mp) + vl_api_nat44_add_del_identity_mapping_t_handler + (vl_api_nat44_add_del_identity_mapping_t * mp) { snat_main_t *sm = &snat_main; - vl_api_snat_det_reverse_reply_t *rmp; + vl_api_nat44_add_del_identity_mapping_reply_t *rmp; + ip4_address_t addr; + u16 port = 0; + u32 vrf_id, sw_if_index; int rv = 0; - ip4_address_t out_addr, in_addr; - snat_det_map_t *dm; + snat_protocol_t proto = ~0; + u8 *tag = 0; - in_addr.as_u32 = 0; - clib_memcpy (&out_addr, mp->out_addr, 4); - dm = snat_det_map_by_out (sm, &out_addr); - if (!dm) + if (sm->deterministic) { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; + rv = VNET_API_ERROR_UNSUPPORTED; goto send_reply; } - snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr); + if (mp->addr_only == 0) + { + port = clib_net_to_host_u16 (mp->port); + proto = ip_proto_to_snat_proto (mp->protocol); + } + vrf_id = clib_net_to_host_u32 (mp->vrf_id); + sw_if_index = clib_net_to_host_u32 (mp->sw_if_index); + if (sw_if_index != ~0) + addr.as_u32 = 0; + else + memcpy (&addr.as_u8, mp->ip_address, 4); + mp->tag[sizeof (mp->tag) - 1] = 0; + tag = format (0, "%s", mp->tag); + vec_terminate_c_string (tag); + + rv = + snat_add_static_mapping (addr, addr, port, port, vrf_id, mp->addr_only, + sw_if_index, proto, mp->is_add, 0, 0, tag); + + vec_free (tag); send_reply: - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_SNAT_DET_REVERSE_REPLY, - ({ - rmp->is_ip4 = 1; - memset (rmp->in_addr, 0, 16); - clib_memcpy (rmp->in_addr, &in_addr, 4); - })) - /* *INDENT-ON* */ + REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY); } -static void *vl_api_snat_det_reverse_t_print - (vl_api_snat_det_reverse_t * mp, void *handle) +static void *vl_api_nat44_add_del_identity_mapping_t_print + (vl_api_nat44_add_del_identity_mapping_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: smat_det_reverse_t"); - s = format (s, "outside ip address %U outside port %d", - format_ip4_address, mp->out_addr, ntohs (mp->out_port)); + s = format (0, "SCRIPT: nat44_add_del_identity_mapping "); + if (mp->sw_if_index != ~0) + s = format (s, "sw_if_index %d", clib_net_to_host_u32 (mp->sw_if_index)); + else + s = format (s, "addr %U", format_ip4_address, mp->ip_address); + + if (mp->addr_only == 0) + s = + format (s, "protocol %d port %d", mp->protocol, + clib_net_to_host_u16 (mp->port)); + + if (mp->vrf_id != ~0) + s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id)); FINISH; } static void - sent_snat_det_map_details - (snat_det_map_t * m, unix_shared_memory_queue_t * q, u32 context) +send_nat44_identity_mapping_details (snat_static_mapping_t * m, + vl_api_registration_t * reg, u32 context) { - vl_api_snat_det_map_details_t *rmp; + vl_api_nat44_identity_mapping_details_t *rmp; snat_main_t *sm = &snat_main; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_SNAT_DET_MAP_DETAILS + sm->msg_id_base); - rmp->is_ip4 = 1; - clib_memcpy (rmp->in_addr, &m->in_addr, 4); - rmp->in_plen = m->in_plen; - clib_memcpy (rmp->out_addr, &m->out_addr, 4); - rmp->out_plen = m->out_plen; - rmp->sharing_ratio = htonl (m->sharing_ratio); - rmp->ports_per_host = htons (m->ports_per_host); - rmp->ses_num = htonl (m->ses_num); + rmp->_vl_msg_id = + ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base); + rmp->addr_only = m->addr_only; + clib_memcpy (rmp->ip_address, &(m->local_addr), 4); + rmp->port = htons (m->local_port); + rmp->sw_if_index = ~0; + rmp->vrf_id = htonl (m->vrf_id); + rmp->protocol = snat_proto_to_ip_proto (m->proto); rmp->context = context; + if (m->tag) + strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + vl_api_send_msg (reg, (u8 *) rmp); } static void -vl_api_snat_det_map_dump_t_handler (vl_api_snat_det_map_dump_t * mp) +send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m, + vl_api_registration_t * reg, + u32 context) { - unix_shared_memory_queue_t *q; + vl_api_nat44_identity_mapping_details_t *rmp; snat_main_t *sm = &snat_main; - snat_det_map_t *m; - - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; - - /* *INDENT-OFF* */ - vec_foreach(m, sm->det_maps) - sent_snat_det_map_details(m, q, mp->context); - /* *INDENT-ON* */ -} -static void *vl_api_snat_det_map_dump_t_print - (vl_api_snat_det_map_dump_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: snat_det_map_dump "); + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = + ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base); + rmp->addr_only = m->addr_only; + rmp->port = htons (m->l_port); + rmp->sw_if_index = htonl (m->sw_if_index); + rmp->vrf_id = htonl (m->vrf_id); + rmp->protocol = snat_proto_to_ip_proto (m->proto); + rmp->context = context; + if (m->tag) + strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); - FINISH; + vl_api_send_msg (reg, (u8 *) rmp); } static void -vl_api_snat_det_set_timeouts_t_handler (vl_api_snat_det_set_timeouts_t * mp) + vl_api_nat44_identity_mapping_dump_t_handler + (vl_api_nat44_identity_mapping_dump_t * mp) { + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - vl_api_snat_det_set_timeouts_reply_t *rmp; - int rv = 0; - - sm->udp_timeout = ntohl (mp->udp); - sm->tcp_established_timeout = ntohl (mp->tcp_established); - sm->tcp_transitory_timeout = ntohl (mp->tcp_transitory); - sm->icmp_timeout = ntohl (mp->icmp); - - REPLY_MACRO (VL_API_SNAT_DET_SET_TIMEOUTS_REPLY); -} - -static void *vl_api_snat_det_set_timeouts_t_print - (vl_api_snat_det_set_timeouts_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: snat_det_set_timeouts "); - s = format (s, "udp %d tcp_established %d tcp_transitory %d icmp %d\n", - ntohl (mp->udp), - ntohl (mp->tcp_established), - ntohl (mp->tcp_transitory), ntohl (mp->icmp)); + snat_static_mapping_t *m; + snat_static_map_resolve_t *rp; + int j; - FINISH; -} + if (sm->deterministic) + return; -static void -vl_api_snat_det_get_timeouts_t_handler (vl_api_snat_det_get_timeouts_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_snat_det_get_timeouts_reply_t *rmp; - int rv = 0; + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_SNAT_DET_GET_TIMEOUTS_REPLY, + pool_foreach (m, sm->static_mappings, ({ - rmp->udp = htonl (sm->udp_timeout); - rmp->tcp_established = htonl (sm->tcp_established_timeout); - rmp->tcp_transitory = htonl (sm->tcp_transitory_timeout); - rmp->icmp = htonl (sm->icmp_timeout); - })) + if (!vec_len (m->locals) && (m->local_port == m->external_port) + && (m->local_addr.as_u32 == m->external_addr.as_u32)) + send_nat44_identity_mapping_details (m, reg, mp->context); + })); /* *INDENT-ON* */ + + for (j = 0; j < vec_len (sm->to_resolve); j++) + { + rp = sm->to_resolve + j; + if (rp->l_addr.as_u32 == 0) + send_nat44_identity_map_resolve_details (rp, reg, mp->context); + } } -static void *vl_api_snat_det_get_timeouts_t_print - (vl_api_snat_det_get_timeouts_t * mp, void *handle) +static void *vl_api_nat44_identity_mapping_dump_t_print + (vl_api_nat44_identity_mapping_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_det_get_timeouts"); + s = format (0, "SCRIPT: nat44_identity_mapping_dump "); FINISH; } static void - vl_api_snat_det_close_session_out_t_handler - (vl_api_snat_det_close_session_out_t * mp) + vl_api_nat44_add_del_interface_addr_t_handler + (vl_api_nat44_add_del_interface_addr_t * mp) { snat_main_t *sm = &snat_main; - vl_api_snat_det_close_session_out_reply_t *rmp; - ip4_address_t out_addr, ext_addr, in_addr; - snat_det_out_key_t key; - snat_det_map_t *dm; - snat_det_session_t *ses; + vl_api_nat44_add_del_interface_addr_reply_t *rmp; + u8 is_del = mp->is_add == 0; + u32 sw_if_index = ntohl (mp->sw_if_index); int rv = 0; - clib_memcpy (&out_addr, mp->out_addr, 4); - clib_memcpy (&ext_addr, mp->ext_addr, 4); - - dm = snat_det_map_by_out (sm, &out_addr); - if (!dm) - { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; - goto send_reply; - } - snat_det_reverse (dm, &ext_addr, ntohs (mp->out_port), &in_addr); - key.ext_host_addr = ext_addr; - key.ext_host_port = mp->ext_port; - key.out_port = mp->out_port; - ses = snat_det_get_ses_by_out (dm, &in_addr, key.as_u64); - if (!ses) + if (sm->deterministic) { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; + rv = VNET_API_ERROR_UNSUPPORTED; goto send_reply; } - snat_det_ses_close (dm, ses); + VALIDATE_SW_IF_INDEX (mp); + + rv = snat_add_interface_address (sm, sw_if_index, is_del, mp->twice_nat); + + BAD_SW_IF_INDEX_LABEL; send_reply: - REPLY_MACRO (VL_API_SNAT_DET_CLOSE_SESSION_OUT_REPLY); + REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY); } -static void *vl_api_snat_det_close_session_out_t_print - (vl_api_snat_det_close_session_out_t * mp, void *handle) +static void *vl_api_nat44_add_del_interface_addr_t_print + (vl_api_nat44_add_del_interface_addr_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_det_close_session_out "); - s = format (s, "out_addr %U out_port %d " - "ext_addr %U ext_port %d\n", - format_ip4_address, mp->out_addr, ntohs (mp->out_port), - format_ip4_address, mp->ext_addr, ntohs (mp->ext_port)); + s = format (0, "SCRIPT: nat44_add_del_interface_addr "); + s = format (s, "sw_if_index %d twice_nat %d %s", + clib_host_to_net_u32 (mp->sw_if_index), + mp->twice_nat, mp->is_add ? "" : "del"); FINISH; } static void - vl_api_snat_det_close_session_in_t_handler - (vl_api_snat_det_close_session_in_t * mp) +send_nat44_interface_addr_details (u32 sw_if_index, + vl_api_registration_t * reg, u32 context, + u8 twice_nat) { + vl_api_nat44_interface_addr_details_t *rmp; snat_main_t *sm = &snat_main; - vl_api_snat_det_close_session_in_reply_t *rmp; - ip4_address_t in_addr, ext_addr; - snat_det_out_key_t key; - snat_det_map_t *dm; - snat_det_session_t *ses; - int rv = 0; - clib_memcpy (&in_addr, mp->in_addr, 4); - clib_memcpy (&ext_addr, mp->ext_addr, 4); + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = + ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base); + rmp->sw_if_index = ntohl (sw_if_index); + rmp->twice_nat = twice_nat; + rmp->context = context; - dm = snat_det_map_by_user (sm, &in_addr); - if (!dm) - { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; - goto send_reply; - } - key.ext_host_addr = ext_addr; - key.ext_host_port = mp->ext_port; - ses = snat_det_find_ses_by_in (dm, &in_addr, mp->in_port, key); - if (!ses) - { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; - goto send_reply; - } - snat_det_ses_close (dm, ses); + vl_api_send_msg (reg, (u8 *) rmp); +} -send_reply: - REPLY_MACRO (VL_API_SNAT_DET_CLOSE_SESSION_OUT_REPLY); +static void +vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t + * mp) +{ + vl_api_registration_t *reg; + snat_main_t *sm = &snat_main; + u32 *i; + + if (sm->deterministic) + return; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + /* *INDENT-OFF* */ + vec_foreach (i, sm->auto_add_sw_if_indices) + send_nat44_interface_addr_details(*i, reg, mp->context, 0); + vec_foreach (i, sm->auto_add_sw_if_indices_twice_nat) + send_nat44_interface_addr_details(*i, reg, mp->context, 1); + /* *INDENT-ON* */ } -static void *vl_api_snat_det_close_session_in_t_print - (vl_api_snat_det_close_session_in_t * mp, void *handle) +static void * +vl_api_nat44_interface_addr_dump_t_print (vl_api_nat44_interface_addr_dump_t * + mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_det_close_session_in "); - s = format (s, "in_addr %U in_port %d " - "ext_addr %U ext_port %d\n", - format_ip4_address, mp->in_addr, ntohs (mp->in_port), - format_ip4_address, mp->ext_addr, ntohs (mp->ext_port)); + + s = format (0, "SCRIPT: nat44_interface_addr_dump "); FINISH; } static void - send_snat_det_session_details - (snat_det_session_t * s, unix_shared_memory_queue_t * q, u32 context) +send_nat44_user_details (snat_user_t * u, vl_api_registration_t * reg, + u32 context) { - vl_api_snat_det_session_details_t *rmp; + vl_api_nat44_user_details_t *rmp; snat_main_t *sm = &snat_main; + ip4_main_t *im = &ip4_main; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_SNAT_DET_SESSION_DETAILS + sm->msg_id_base); - rmp->is_ip4 = 1; - rmp->in_port = s->in_port; - clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4); - rmp->ext_port = s->out.ext_host_port; - rmp->out_port = s->out.out_port; - rmp->state = s->state; - rmp->expire = ntohl (s->expire); + rmp->_vl_msg_id = ntohs (VL_API_NAT44_USER_DETAILS + sm->msg_id_base); + + if (!pool_is_free_index (im->fibs, u->fib_index)) + { + fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4); + rmp->vrf_id = ntohl (fib->ft_table_id); + } + + clib_memcpy (rmp->ip_address, &(u->addr), 4); + rmp->nsessions = ntohl (u->nsessions); + rmp->nstaticsessions = ntohl (u->nstaticsessions); rmp->context = context; - vl_msg_api_send_shmem (q, (u8 *) & rmp); + vl_api_send_msg (reg, (u8 *) rmp); } static void -vl_api_snat_det_session_dump_t_handler (vl_api_snat_det_session_dump_t * mp) +vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - ip4_address_t user_addr; - snat_det_map_t *dm; - snat_det_session_t *s, empty_ses; - u16 i; + snat_main_per_thread_data_t *tsm; + snat_user_t *u; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; - if (!mp->is_ip4) + if (sm->deterministic) return; - memset (&empty_ses, 0, sizeof (empty_ses)); - clib_memcpy (&user_addr, mp->user_addr, 4); - dm = snat_det_map_by_user (sm, &user_addr); - if (!dm) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; - s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen); - for (i = 0; i < SNAT_DET_SES_PER_USER; i++) + /* *INDENT-OFF* */ + vec_foreach (tsm, sm->per_thread_data) { - if (s->out.as_u64) - send_snat_det_session_details (s, q, mp->context); - s++; + pool_foreach (u, tsm->users, + ({ + send_nat44_user_details (u, reg, mp->context); + })); } + /* *INDENT-ON* */ } -static void *vl_api_snat_det_session_dump_t_print - (vl_api_snat_det_session_dump_t * mp, void *handle) +static void * +vl_api_nat44_user_dump_t_print (vl_api_nat44_user_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_det_session_dump "); - s = format (s, "user_addr %U\n", format_ip4_address, mp->user_addr); + s = format (0, "SCRIPT: nat44_user_dump "); FINISH; } -/******************************/ -/*** Common NAT plugin APIs ***/ -/******************************/ - static void -vl_api_nat_control_ping_t_handler (vl_api_nat_control_ping_t * mp) +send_nat44_user_session_details (snat_session_t * s, + vl_api_registration_t * reg, u32 context) { - vl_api_nat_control_ping_reply_t *rmp; + vl_api_nat44_user_session_details_t *rmp; snat_main_t *sm = &snat_main; - int rv = 0; - - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_CONTROL_PING_REPLY, - ({ - rmp->vpe_pid = ntohl (getpid ()); - })); - /* *INDENT-ON* */ -} - -static void * -vl_api_nat_control_ping_t_print (vl_api_nat_control_ping_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat_control_ping "); - - FINISH; -} - -static void -vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t * mp) -{ - vl_api_nat_show_config_reply_t *rmp; - snat_main_t *sm = &snat_main; - int rv = 0; - - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_SHOW_CONFIG_REPLY, - ({ - rmp->translation_buckets = htonl (sm->translation_buckets); - rmp->translation_memory_size = htonl (sm->translation_memory_size); - rmp->user_buckets = htonl (sm->user_buckets); - rmp->user_memory_size = htonl (sm->user_memory_size); - rmp->max_translations_per_user = htonl (sm->max_translations_per_user); - rmp->outside_vrf_id = htonl (sm->outside_vrf_id); - rmp->inside_vrf_id = htonl (sm->inside_vrf_id); - rmp->static_mapping_only = sm->static_mapping_only; - rmp->static_mapping_connection_tracking = - sm->static_mapping_connection_tracking; - rmp->deterministic = sm->deterministic; - })); - /* *INDENT-ON* */ -} - -static void * -vl_api_nat_show_config_t_print (vl_api_nat_show_config_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat_show_config "); - - FINISH; -} - -static void -vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_snat_set_workers_reply_t *rmp; - int rv = 0; - uword *bitmap = 0; - u64 mask = clib_net_to_host_u64 (mp->worker_mask); - - if (sm->num_workers < 2) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } - - bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask)); - rv = snat_set_workers (bitmap); - clib_bitmap_free (bitmap); - -send_reply: - REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY); -} - -static void * -vl_api_nat_set_workers_t_print (vl_api_nat_set_workers_t * mp, void *handle) -{ - u8 *s; - uword *bitmap = 0; - u8 first = 1; - int i; - u64 mask = clib_net_to_host_u64 (mp->worker_mask); - - s = format (0, "SCRIPT: nat_set_workers "); - bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask)); - /* *INDENT-OFF* */ - clib_bitmap_foreach (i, bitmap, - ({ - if (first) - s = format (s, "%d", i); - else - s = format (s, ",%d", i); - first = 0; - })); - /* *INDENT-ON* */ - clib_bitmap_free (bitmap); - FINISH; -} - -static void -send_nat_worker_details (u32 worker_index, unix_shared_memory_queue_t * q, - u32 context) -{ - vl_api_nat_worker_details_t *rmp; - snat_main_t *sm = &snat_main; - vlib_worker_thread_t *w = - vlib_worker_threads + worker_index + sm->first_worker_index; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT_WORKER_DETAILS + sm->msg_id_base); + rmp->_vl_msg_id = + ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base); + clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4); + clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4); + rmp->is_static = snat_is_session_static (s) ? 1 : 0; + rmp->is_twicenat = is_twice_nat_session (s) ? 1 : 0; + rmp->ext_host_valid = is_ed_session (s) + || is_fwd_bypass_session (s) ? 1 : 0; + rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard); + rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes); + rmp->total_pkts = ntohl (s->total_pkts); rmp->context = context; - rmp->worker_index = htonl (worker_index); - rmp->lcore_id = htonl (w->lcore_id); - strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1); - - vl_msg_api_send_shmem (q, (u8 *) & rmp); -} - -static void -vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp) -{ - unix_shared_memory_queue_t *q; - snat_main_t *sm = &snat_main; - u32 *worker_index; - - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; - - /* *INDENT-OFF* */ - vec_foreach (worker_index, sm->workers) - send_nat_worker_details(*worker_index, q, mp->context); - /* *INDENT-ON* */ -} - -static void * -vl_api_nat_worker_dump_t_print (vl_api_nat_worker_dump_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat_worker_dump "); - - FINISH; -} - -static void -vl_api_nat_ipfix_enable_disable_t_handler (vl_api_nat_ipfix_enable_disable_t * - mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_ipfix_enable_disable_reply_t *rmp; - int rv = 0; - - rv = snat_ipfix_logging_enable_disable (mp->enable, - clib_host_to_net_u32 - (mp->domain_id), - clib_host_to_net_u16 - (mp->src_port)); - - REPLY_MACRO (VL_API_NAT_IPFIX_ENABLE_DISABLE_REPLY); -} - -static void * -vl_api_nat_ipfix_enable_disable_t_print (vl_api_nat_ipfix_enable_disable_t * - mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat_ipfix_enable_disable "); - if (mp->domain_id) - s = format (s, "domain %d ", clib_net_to_host_u32 (mp->domain_id)); - if (mp->src_port) - s = format (s, "src_port %d ", clib_net_to_host_u16 (mp->src_port)); - if (!mp->enable) - s = format (s, "disable "); - - FINISH; -} - -/*************/ -/*** NAT44 ***/ -/*************/ -static void - vl_api_nat44_add_del_address_range_t_handler - (vl_api_nat44_add_del_address_range_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat44_add_del_address_range_reply_t *rmp; - ip4_address_t this_addr; - u32 start_host_order, end_host_order; - u32 vrf_id; - int i, count; - int rv = 0; - u32 *tmp; - - if (sm->static_mapping_only) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } - - tmp = (u32 *) mp->first_ip_address; - start_host_order = clib_host_to_net_u32 (tmp[0]); - tmp = (u32 *) mp->last_ip_address; - end_host_order = clib_host_to_net_u32 (tmp[0]); - - count = (end_host_order - start_host_order) + 1; - - vrf_id = clib_host_to_net_u32 (mp->vrf_id); - - if (count > 1024) - clib_warning ("%U - %U, %d addresses...", - format_ip4_address, mp->first_ip_address, - format_ip4_address, mp->last_ip_address, count); - - memcpy (&this_addr.as_u8, mp->first_ip_address, 4); - - for (i = 0; i < count; i++) + if (snat_is_unk_proto_session (s)) { - if (mp->is_add) - snat_add_address (sm, &this_addr, vrf_id); - else - rv = snat_del_address (sm, this_addr, 0); - - if (rv) - goto send_reply; - - increment_v4_address (&this_addr); + rmp->outside_port = 0; + rmp->inside_port = 0; + rmp->protocol = ntohs (s->in2out.port); } - -send_reply: - REPLY_MACRO (VL_API_NAT44_ADD_DEL_ADDRESS_RANGE_REPLY); -} - -static void *vl_api_nat44_add_del_address_range_t_print - (vl_api_nat44_add_del_address_range_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat44_add_address_range "); - s = format (s, "%U ", format_ip4_address, mp->first_ip_address); - if (memcmp (mp->first_ip_address, mp->last_ip_address, 4)) + else { - s = format (s, " - %U ", format_ip4_address, mp->last_ip_address); + rmp->outside_port = s->out2in.port; + rmp->inside_port = s->in2out.port; + rmp->protocol = ntohs (snat_proto_to_ip_proto (s->in2out.protocol)); } - FINISH; -} - -static void -send_nat44_address_details (snat_address_t * a, - unix_shared_memory_queue_t * q, u32 context) -{ - vl_api_nat44_address_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT44_ADDRESS_DETAILS + sm->msg_id_base); - clib_memcpy (rmp->ip_address, &(a->addr), 4); - if (a->fib_index != ~0) + if (is_ed_session (s) || is_fwd_bypass_session (s)) { - fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4); - rmp->vrf_id = ntohl (fib->ft_table_id); + clib_memcpy (rmp->ext_host_address, &s->ext_host_addr, 4); + rmp->ext_host_port = s->ext_host_port; + if (is_twice_nat_session (s)) + { + clib_memcpy (rmp->ext_host_nat_address, &s->ext_host_nat_addr, 4); + rmp->ext_host_nat_port = s->ext_host_nat_port; + } } - else - rmp->vrf_id = ~0; - rmp->context = context; - - vl_msg_api_send_shmem (q, (u8 *) & rmp); -} - -static void -vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp) -{ - unix_shared_memory_queue_t *q; - snat_main_t *sm = &snat_main; - snat_address_t *a; - - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; - - /* *INDENT-OFF* */ - vec_foreach (a, sm->addresses) - send_nat44_address_details (a, q, mp->context); - /* *INDENT-ON* */ -} - -static void * -vl_api_nat44_address_dump_t_print (vl_api_nat44_address_dump_t * mp, - void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat44_address_dump "); - - FINISH; -} - -static void - vl_api_nat44_interface_add_del_feature_t_handler - (vl_api_nat44_interface_add_del_feature_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat44_interface_add_del_feature_reply_t *rmp; - u8 is_del = mp->is_add == 0; - u32 sw_if_index = ntohl (mp->sw_if_index); - int rv = 0; - - VALIDATE_SW_IF_INDEX (mp); - - rv = snat_interface_add_del (sw_if_index, mp->is_inside, is_del); - - BAD_SW_IF_INDEX_LABEL; - - REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY); -} - -static void *vl_api_nat44_interface_add_del_feature_t_print - (vl_api_nat44_interface_add_del_feature_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat44_interface_add_del_feature "); - s = format (s, "sw_if_index %d %s %s", - clib_host_to_net_u32 (mp->sw_if_index), - mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); - - FINISH; -} - -static void -send_nat44_interface_details (snat_interface_t * i, - unix_shared_memory_queue_t * q, u32 context) -{ - vl_api_nat44_interface_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base); - rmp->sw_if_index = ntohl (i->sw_if_index); - rmp->is_inside = (nat_interface_is_inside (i) - && nat_interface_is_outside (i)) ? 2 : - nat_interface_is_inside (i); - rmp->context = context; - - vl_msg_api_send_shmem (q, (u8 *) & rmp); -} - -static void -vl_api_nat44_interface_dump_t_handler (vl_api_nat44_interface_dump_t * mp) -{ - unix_shared_memory_queue_t *q; - snat_main_t *sm = &snat_main; - snat_interface_t *i; - - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; - - /* *INDENT-OFF* */ - pool_foreach (i, sm->interfaces, - ({ - send_nat44_interface_details(i, q, mp->context); - })); - /* *INDENT-ON* */ -} - -static void * -vl_api_nat44_interface_dump_t_print (vl_api_nat44_interface_dump_t * mp, - void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat44_interface_dump "); - - FINISH; -} - -static void - vl_api_nat44_interface_add_del_output_feature_t_handler - (vl_api_nat44_interface_add_del_output_feature_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat44_interface_add_del_output_feature_reply_t *rmp; - u8 is_del = mp->is_add == 0; - u32 sw_if_index = ntohl (mp->sw_if_index); - int rv = 0; - - VALIDATE_SW_IF_INDEX (mp); - - rv = snat_interface_add_del_output_feature (sw_if_index, mp->is_inside, - is_del); - - BAD_SW_IF_INDEX_LABEL; - - REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY); -} - -static void *vl_api_nat44_interface_add_del_output_feature_t_print - (vl_api_nat44_interface_add_del_output_feature_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat44_interface_add_del_output_feature "); - s = format (s, "sw_if_index %d %s %s", - clib_host_to_net_u32 (mp->sw_if_index), - mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); - - FINISH; -} - -static void -send_nat44_interface_output_feature_details (snat_interface_t * i, - unix_shared_memory_queue_t * q, - u32 context) -{ - vl_api_nat44_interface_output_feature_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base); - rmp->sw_if_index = ntohl (i->sw_if_index); - rmp->context = context; - rmp->is_inside = nat_interface_is_inside (i); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + vl_api_send_msg (reg, (u8 *) rmp); } static void - vl_api_nat44_interface_output_feature_dump_t_handler - (vl_api_nat44_interface_output_feature_dump_t * mp) +vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t * + mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - snat_interface_t *i; + snat_main_per_thread_data_t *tsm; + snat_session_t *s; + clib_bihash_kv_8_8_t key, value; + snat_user_key_t ukey; + snat_user_t *u; + u32 session_index, head_index, elt_index; + dlist_elt_t *head, *elt; + ip4_header_t ip; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + if (sm->deterministic) return; - /* *INDENT-OFF* */ - pool_foreach (i, sm->output_feature_interfaces, - ({ - send_nat44_interface_output_feature_details(i, q, mp->context); - })); - /* *INDENT-ON* */ + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + clib_memcpy (&ukey.addr, mp->ip_address, 4); + ip.src_address.as_u32 = ukey.addr.as_u32; + ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id)); + key.key = ukey.as_u64; + if (sm->num_workers > 1) + tsm = + vec_elt_at_index (sm->per_thread_data, + sm->worker_in2out_cb (&ip, ukey.fib_index)); + else + tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); + if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value)) + return; + u = pool_elt_at_index (tsm->users, value.value); + if (!u->nsessions && !u->nstaticsessions) + return; + + head_index = u->sessions_per_user_list_head_index; + head = pool_elt_at_index (tsm->list_pool, head_index); + elt_index = head->next; + elt = pool_elt_at_index (tsm->list_pool, elt_index); + session_index = elt->value; + while (session_index != ~0) + { + s = pool_elt_at_index (tsm->sessions, session_index); + + send_nat44_user_session_details (s, reg, mp->context); + + elt_index = elt->next; + elt = pool_elt_at_index (tsm->list_pool, elt_index); + session_index = elt->value; + } } -static void *vl_api_nat44_interface_output_feature_dump_t_print - (vl_api_nat44_interface_output_feature_dump_t * mp, void *handle) +static void * +vl_api_nat44_user_session_dump_t_print (vl_api_nat44_user_session_dump_t * mp, + void *handle) { u8 *s; - s = format (0, "SCRIPT: nat44_interface_output_feature_dump "); + s = format (0, "SCRIPT: nat44_user_session_dump "); + s = format (s, "ip_address %U vrf_id %d\n", + format_ip4_address, mp->ip_address, + clib_net_to_host_u32 (mp->vrf_id)); FINISH; } +static nat44_lb_addr_port_t * +unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs, + u8 addr_port_pair_num) +{ + u8 i; + nat44_lb_addr_port_t *lb_addr_port_pairs = 0, lb_addr_port; + vl_api_nat44_lb_addr_port_t *ap; + + for (i = 0; i < addr_port_pair_num; i++) + { + ap = &addr_port_pairs[i]; + memset (&lb_addr_port, 0, sizeof (lb_addr_port)); + clib_memcpy (&lb_addr_port.addr, ap->addr, 4); + lb_addr_port.port = clib_net_to_host_u16 (ap->port); + lb_addr_port.probability = ap->probability; + lb_addr_port.vrf_id = clib_net_to_host_u32 (ap->vrf_id); + vec_add1 (lb_addr_port_pairs, lb_addr_port); + } + + return lb_addr_port_pairs; +} + static void - vl_api_nat44_add_del_static_mapping_t_handler - (vl_api_nat44_add_del_static_mapping_t * mp) + vl_api_nat44_add_del_lb_static_mapping_t_handler + (vl_api_nat44_add_del_lb_static_mapping_t * mp) { snat_main_t *sm = &snat_main; - vl_api_nat44_add_del_static_mapping_reply_t *rmp; - ip4_address_t local_addr, external_addr; - u16 local_port = 0, external_port = 0; - u32 vrf_id, external_sw_if_index; + vl_api_nat44_add_del_lb_static_mapping_reply_t *rmp; + twice_nat_type_t twice_nat = TWICE_NAT_DISABLED; int rv = 0; + nat44_lb_addr_port_t *locals = 0; + ip4_address_t e_addr; snat_protocol_t proto; + u8 *tag = 0; - memcpy (&local_addr.as_u8, mp->local_ip_address, 4); - memcpy (&external_addr.as_u8, mp->external_ip_address, 4); - if (mp->addr_only == 0) + if (!sm->endpoint_dependent) { - local_port = clib_net_to_host_u16 (mp->local_port); - external_port = clib_net_to_host_u16 (mp->external_port); + rv = VNET_API_ERROR_UNSUPPORTED; + goto send_reply; } - vrf_id = clib_net_to_host_u32 (mp->vrf_id); - external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index); + + locals = unformat_nat44_lb_addr_port (mp->locals, mp->local_num); + clib_memcpy (&e_addr, mp->external_addr, 4); proto = ip_proto_to_snat_proto (mp->protocol); + if (mp->twice_nat) + twice_nat = TWICE_NAT; + else if (mp->self_twice_nat) + twice_nat = TWICE_NAT_SELF; + mp->tag[sizeof (mp->tag) - 1] = 0; + tag = format (0, "%s", mp->tag); + vec_terminate_c_string (tag); - rv = snat_add_static_mapping (local_addr, external_addr, local_port, - external_port, vrf_id, mp->addr_only, - external_sw_if_index, proto, mp->is_add); + rv = + nat44_add_del_lb_static_mapping (e_addr, + clib_net_to_host_u16 (mp->external_port), + proto, locals, mp->is_add, twice_nat, + mp->out2in_only, tag); - REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY); + vec_free (locals); + vec_free (tag); + +send_reply: + REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY); } -static void *vl_api_nat44_add_del_static_mapping_t_print - (vl_api_nat44_add_del_static_mapping_t * mp, void *handle) +static void *vl_api_nat44_add_del_lb_static_mapping_t_print + (vl_api_nat44_add_del_lb_static_mapping_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat44_add_del_static_mapping "); - s = format (s, "protocol %d local_addr %U external_addr %U ", - mp->protocol, - format_ip4_address, mp->local_ip_address, - format_ip4_address, mp->external_ip_address); - - if (mp->addr_only == 0) - s = format (s, "local_port %d external_port %d ", - clib_net_to_host_u16 (mp->local_port), - clib_net_to_host_u16 (mp->external_port)); - - if (mp->vrf_id != ~0) - s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id)); + s = format (0, "SCRIPT: nat44_add_del_lb_static_mapping "); + s = format (s, "is_add %d twice_nat %d out2in_only %d ", + mp->is_add, mp->twice_nat, mp->out2in_only); - if (mp->external_sw_if_index != ~0) - s = format (s, "external_sw_if_index %d", - clib_net_to_host_u32 (mp->external_sw_if_index)); FINISH; } static void -send_nat44_static_mapping_details (snat_static_mapping_t * m, - unix_shared_memory_queue_t * q, - u32 context) +send_nat44_lb_static_mapping_details (snat_static_mapping_t * m, + vl_api_registration_t * reg, + u32 context) { - vl_api_nat44_static_mapping_details_t *rmp; + vl_api_nat44_lb_static_mapping_details_t *rmp; snat_main_t *sm = &snat_main; + nat44_lb_addr_port_t *ap; + vl_api_nat44_lb_addr_port_t *locals; - rmp = vl_msg_api_alloc (sizeof (*rmp)); + rmp = + vl_msg_api_alloc (sizeof (*rmp) + + (vec_len (m->locals) * sizeof (nat44_lb_addr_port_t))); memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = - ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base); - rmp->addr_only = m->addr_only; - clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4); - clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4); - rmp->local_port = htons (m->local_port); - rmp->external_port = htons (m->external_port); - rmp->external_sw_if_index = ~0; - rmp->vrf_id = htonl (m->vrf_id); - rmp->protocol = snat_proto_to_ip_proto (m->proto); - rmp->context = context; - - vl_msg_api_send_shmem (q, (u8 *) & rmp); -} - -static void -send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m, - unix_shared_memory_queue_t * q, - u32 context) -{ - vl_api_nat44_static_mapping_details_t *rmp; - snat_main_t *sm = &snat_main; + ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base); - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base); - rmp->addr_only = m->addr_only; - clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4); - rmp->local_port = htons (m->l_port); - rmp->external_port = htons (m->e_port); - rmp->external_sw_if_index = htonl (m->sw_if_index); - rmp->vrf_id = htonl (m->vrf_id); + clib_memcpy (rmp->external_addr, &(m->external_addr), 4); + rmp->external_port = ntohs (m->external_port); rmp->protocol = snat_proto_to_ip_proto (m->proto); rmp->context = context; + if (m->twice_nat == TWICE_NAT) + rmp->twice_nat = 1; + else if (m->twice_nat == TWICE_NAT_SELF) + rmp->self_twice_nat = 1; + rmp->out2in_only = m->out2in_only; + if (m->tag) + strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); + + locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals; + vec_foreach (ap, m->locals) + { + clib_memcpy (locals->addr, &(ap->addr), 4); + locals->port = htons (ap->port); + locals->probability = ap->probability; + locals->vrf_id = ntohl (ap->vrf_id); + locals++; + rmp->local_num++; + } - vl_msg_api_send_shmem (q, (u8 *) & rmp); + vl_api_send_msg (reg, (u8 *) rmp); } static void -vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t - * mp) + vl_api_nat44_lb_static_mapping_dump_t_handler + (vl_api_nat44_lb_static_mapping_dump_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; snat_static_mapping_t *m; - snat_static_map_resolve_t *rp; - int j; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + if (!sm->endpoint_dependent) + return; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; /* *INDENT-OFF* */ pool_foreach (m, sm->static_mappings, ({ - if (!vec_len(m->locals)) - send_nat44_static_mapping_details (m, q, mp->context); + if (vec_len(m->locals)) + send_nat44_lb_static_mapping_details (m, reg, mp->context); })); /* *INDENT-ON* */ - - for (j = 0; j < vec_len (sm->to_resolve); j++) - { - rp = sm->to_resolve + j; - send_nat44_static_map_resolve_details (rp, q, mp->context); - } } -static void * -vl_api_nat44_static_mapping_dump_t_print (vl_api_nat44_static_mapping_dump_t * - mp, void *handle) +static void *vl_api_nat44_lb_static_mapping_dump_t_print + (vl_api_nat44_lb_static_mapping_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat44_static_mapping_dump "); + s = format (0, "SCRIPT: nat44_lb_static_mapping_dump "); FINISH; } static void - vl_api_nat44_add_del_interface_addr_t_handler - (vl_api_nat44_add_del_interface_addr_t * mp) +vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp) { snat_main_t *sm = &snat_main; - vl_api_nat44_add_del_interface_addr_reply_t *rmp; - u8 is_del = mp->is_add == 0; - u32 sw_if_index = ntohl (mp->sw_if_index); + vl_api_nat44_del_session_reply_t *rmp; + ip4_address_t addr, eh_addr; + u16 port, eh_port; + u32 vrf_id; int rv = 0; + snat_protocol_t proto; - VALIDATE_SW_IF_INDEX (mp); - - rv = snat_add_interface_address (sm, sw_if_index, is_del); - - BAD_SW_IF_INDEX_LABEL; - - REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY); -} - -static void *vl_api_nat44_add_del_interface_addr_t_print - (vl_api_nat44_add_del_interface_addr_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: nat44_add_del_interface_addr "); - s = format (s, "sw_if_index %d %s", - clib_host_to_net_u32 (mp->sw_if_index), - mp->is_add ? "" : "del"); - - FINISH; -} - -static void -send_nat44_interface_addr_details (u32 sw_if_index, - unix_shared_memory_queue_t * q, - u32 context) -{ - vl_api_nat44_interface_addr_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base); - rmp->sw_if_index = ntohl (sw_if_index); - rmp->context = context; - - vl_msg_api_send_shmem (q, (u8 *) & rmp); -} - -static void -vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t - * mp) -{ - unix_shared_memory_queue_t *q; - snat_main_t *sm = &snat_main; - u32 *i; + if (sm->deterministic) + { + rv = VNET_API_ERROR_UNSUPPORTED; + goto send_reply; + } - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; + memcpy (&addr.as_u8, mp->address, 4); + port = clib_net_to_host_u16 (mp->port); + vrf_id = clib_net_to_host_u32 (mp->vrf_id); + proto = ip_proto_to_snat_proto (mp->protocol); + memcpy (&eh_addr.as_u8, mp->ext_host_address, 4); + eh_port = clib_net_to_host_u16 (mp->ext_host_port); - /* *INDENT-OFF* */ - vec_foreach (i, sm->auto_add_sw_if_indices) - send_nat44_interface_addr_details(*i, q, mp->context); - /* *INDENT-ON* */ + if (mp->ext_host_valid) + rv = + nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol, + vrf_id, mp->is_in); + else + rv = nat44_del_session (sm, &addr, port, proto, vrf_id, mp->is_in); + +send_reply: + REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY); } static void * -vl_api_nat44_interface_addr_dump_t_print (vl_api_nat44_interface_addr_dump_t * - mp, void *handle) +vl_api_nat44_del_session_t_print (vl_api_nat44_del_session_t * mp, + void *handle) { u8 *s; - s = format (0, "SCRIPT: nat44_interface_addr_dump "); + s = format (0, "SCRIPT: nat44_add_del_static_mapping "); + s = format (s, "addr %U port %d protocol %d vrf_id %d is_in %d", + format_ip4_address, mp->address, + clib_net_to_host_u16 (mp->port), + mp->protocol, clib_net_to_host_u32 (mp->vrf_id), mp->is_in); + if (mp->ext_host_valid) + s = format (s, "ext_host_address %U ext_host_port %d", + format_ip4_address, mp->ext_host_address, + clib_net_to_host_u16 (mp->ext_host_port)); FINISH; } static void -send_nat44_user_details (snat_user_t * u, unix_shared_memory_queue_t * q, - u32 context) + vl_api_nat44_forwarding_enable_disable_t_handler + (vl_api_nat44_forwarding_enable_disable_t * mp) { - vl_api_nat44_user_details_t *rmp; snat_main_t *sm = &snat_main; - fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4); + vl_api_nat44_forwarding_enable_disable_reply_t *rmp; + int rv = 0; + u32 *ses_to_be_removed = 0, *ses_index; + snat_main_per_thread_data_t *tsm; + snat_session_t *s; - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT44_USER_DETAILS + sm->msg_id_base); + sm->forwarding_enabled = mp->enable != 0; - rmp->vrf_id = ntohl (fib->ft_table_id); + if (mp->enable == 0) + { + /* *INDENT-OFF* */ + vec_foreach (tsm, sm->per_thread_data) + { + pool_foreach (s, tsm->sessions, + ({ + if (is_fwd_bypass_session(s)) + { + vec_add1 (ses_to_be_removed, s - tsm->sessions); + } + })); + vec_foreach (ses_index, ses_to_be_removed) + { + s = pool_elt_at_index(tsm->sessions, ses_index[0]); + nat_free_session_data (sm, s, tsm - sm->per_thread_data); + nat44_delete_session (sm, s, tsm - sm->per_thread_data); + } + vec_free (ses_to_be_removed); + } + /* *INDENT-ON* */ + } - clib_memcpy (rmp->ip_address, &(u->addr), 4); - rmp->nsessions = ntohl (u->nsessions); - rmp->nstaticsessions = ntohl (u->nstaticsessions); - rmp->context = context; + REPLY_MACRO (VL_API_NAT44_FORWARDING_ENABLE_DISABLE_REPLY); +} + +static void *vl_api_nat44_forwarding_enable_disable_t_print + (vl_api_nat44_forwarding_enable_disable_t * mp, void *handle) +{ + u8 *s; - vl_msg_api_send_shmem (q, (u8 *) & rmp); + s = format (0, "SCRIPT: nat44_forwarding_enable_disable "); + s = format (s, "enable %d", mp->enable != 0); + + FINISH; } static void -vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp) + vl_api_nat44_forwarding_is_enabled_t_handler + (vl_api_nat44_forwarding_is_enabled_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm; - snat_user_t *u; + vl_api_nat44_forwarding_is_enabled_reply_t *rmp; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; - /* *INDENT-OFF* */ - vec_foreach (tsm, sm->per_thread_data) - vec_foreach (u, tsm->users) - send_nat44_user_details (u, q, mp->context); - /* *INDENT-ON* */ + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = + ntohs (VL_API_NAT44_FORWARDING_IS_ENABLED_REPLY + sm->msg_id_base); + rmp->context = mp->context; + + rmp->enabled = sm->forwarding_enabled; + + vl_api_send_msg (reg, (u8 *) rmp); } -static void * -vl_api_nat44_user_dump_t_print (vl_api_nat44_user_dump_t * mp, void *handle) +static void *vl_api_nat44_forwarding_is_enabled_t_print + (vl_api_nat44_forwarding_is_enabled_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat44_user_dump "); + s = format (0, "SCRIPT: nat44_forwarding_is_enabled "); FINISH; } +/*******************************/ +/*** Deterministic NAT (CGN) ***/ +/*******************************/ + static void -send_nat44_user_session_details (snat_session_t * s, - unix_shared_memory_queue_t * q, u32 context) +vl_api_nat_det_add_del_map_t_handler (vl_api_nat_det_add_del_map_t * mp) { - vl_api_nat44_user_session_details_t *rmp; snat_main_t *sm = &snat_main; + vl_api_nat_det_add_del_map_reply_t *rmp; + int rv = 0; + ip4_address_t in_addr, out_addr; - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base); - clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4); - clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4); - rmp->is_static = s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING ? 1 : 0; - rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard); - rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes); - rmp->total_pkts = ntohl (s->total_pkts); - rmp->context = context; - if (snat_is_unk_proto_session (s)) + if (!sm->deterministic) { - rmp->outside_port = 0; - rmp->inside_port = 0; - rmp->protocol = ntohs (s->in2out.port); + rv = VNET_API_ERROR_UNSUPPORTED; + goto send_reply; } - else + + if (!mp->is_nat44) { - rmp->outside_port = s->out2in.port; - rmp->inside_port = s->in2out.port; - rmp->protocol = ntohs (snat_proto_to_ip_proto (s->in2out.protocol)); + rv = VNET_API_ERROR_UNIMPLEMENTED; + goto send_reply; } - vl_msg_api_send_shmem (q, (u8 *) & rmp); + clib_memcpy (&in_addr, mp->in_addr, 4); + clib_memcpy (&out_addr, mp->out_addr, 4); + rv = snat_det_add_map (sm, &in_addr, mp->in_plen, &out_addr, + mp->out_plen, mp->is_add); + +send_reply: + REPLY_MACRO (VL_API_NAT_DET_ADD_DEL_MAP_REPLY); +} + +static void * +vl_api_nat_det_add_del_map_t_print (vl_api_nat_det_add_del_map_t * mp, + void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: nat_det_add_del_map "); + s = format (s, "inside address %U/%d outside address %U/%d\n", + format_ip4_address, mp->in_addr, mp->in_plen, + format_ip4_address, mp->out_addr, mp->out_plen); + + FINISH; } static void -vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t * - mp) +vl_api_nat_det_forward_t_handler (vl_api_nat_det_forward_t * mp) { - unix_shared_memory_queue_t *q; snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm; - snat_session_t *s; - clib_bihash_kv_8_8_t key, value; - snat_user_key_t ukey; - snat_user_t *u; - u32 session_index, head_index, elt_index; - dlist_elt_t *head, *elt; - ip4_header_t ip; + vl_api_nat_det_forward_reply_t *rmp; + int rv = 0; + u16 lo_port = 0, hi_port = 0; + snat_det_map_t *dm; + ip4_address_t in_addr, out_addr; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; + if (!sm->deterministic) + { + rv = VNET_API_ERROR_UNSUPPORTED; + REPLY_MACRO (VL_API_NAT_DET_FORWARD_REPLY); + return; + } - clib_memcpy (&ukey.addr, mp->ip_address, 4); - ip.src_address.as_u32 = ukey.addr.as_u32; - ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id)); - key.key = ukey.as_u64; - if (sm->num_workers) - tsm = - vec_elt_at_index (sm->per_thread_data, - sm->worker_in2out_cb (&ip, ukey.fib_index)); - else - tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); - if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value)) - return; - u = pool_elt_at_index (tsm->users, value.value); - if (!u->nsessions && !u->nstaticsessions) - return; + if (!mp->is_nat44) + { + out_addr.as_u32 = 0; + rv = VNET_API_ERROR_UNIMPLEMENTED; + goto send_reply; + } - head_index = u->sessions_per_user_list_head_index; - head = pool_elt_at_index (tsm->list_pool, head_index); - elt_index = head->next; - elt = pool_elt_at_index (tsm->list_pool, elt_index); - session_index = elt->value; - while (session_index != ~0) + out_addr.as_u32 = 0; + clib_memcpy (&in_addr, mp->in_addr, 4); + dm = snat_det_map_by_user (sm, &in_addr); + if (!dm) { - s = pool_elt_at_index (tsm->sessions, session_index); + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto send_reply; + } - send_nat44_user_session_details (s, q, mp->context); + snat_det_forward (dm, &in_addr, &out_addr, &lo_port); + hi_port = lo_port + dm->ports_per_host - 1; - elt_index = elt->next; - elt = pool_elt_at_index (tsm->list_pool, elt_index); - session_index = elt->value; - } +send_reply: + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_NAT_DET_FORWARD_REPLY, + ({ + rmp->out_port_lo = ntohs (lo_port); + rmp->out_port_hi = ntohs (hi_port); + clib_memcpy (rmp->out_addr, &out_addr, 4); + })) + /* *INDENT-ON* */ } static void * -vl_api_nat44_user_session_dump_t_print (vl_api_nat44_user_session_dump_t * mp, - void *handle) +vl_api_nat_det_forward_t_print (vl_api_nat_det_forward_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat44_user_session_dump "); - s = format (s, "ip_address %U vrf_id %d\n", - format_ip4_address, mp->ip_address, - clib_net_to_host_u32 (mp->vrf_id)); + s = format (0, "SCRIPT: nat_det_forward"); + s = format (s, "inside ip address %U\n", format_ip4_address, mp->in_addr); FINISH; } -static nat44_lb_addr_port_t * -unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs, - u8 addr_port_pair_num) -{ - u8 i; - nat44_lb_addr_port_t *lb_addr_port_pairs = 0, lb_addr_port; - vl_api_nat44_lb_addr_port_t *ap; - - for (i = 0; i < addr_port_pair_num; i++) - { - ap = &addr_port_pairs[i]; - memset (&lb_addr_port, 0, sizeof (lb_addr_port)); - clib_memcpy (&lb_addr_port.addr, ap->addr, 4); - lb_addr_port.port = clib_net_to_host_u16 (ap->port); - lb_addr_port.probability = ap->probability; - vec_add1 (lb_addr_port_pairs, lb_addr_port); - } - - return lb_addr_port_pairs; -} - static void - vl_api_nat44_add_del_lb_static_mapping_t_handler - (vl_api_nat44_add_del_lb_static_mapping_t * mp) +vl_api_nat_det_reverse_t_handler (vl_api_nat_det_reverse_t * mp) { snat_main_t *sm = &snat_main; - vl_api_nat44_add_del_lb_static_mapping_reply_t *rmp; + vl_api_nat_det_reverse_reply_t *rmp; int rv = 0; - nat44_lb_addr_port_t *locals = 0; - ip4_address_t e_addr; - snat_protocol_t proto; + ip4_address_t out_addr, in_addr; + snat_det_map_t *dm; - locals = unformat_nat44_lb_addr_port (mp->locals, mp->local_num); - clib_memcpy (&e_addr, mp->external_addr, 4); - proto = ip_proto_to_snat_proto (mp->protocol); + if (!sm->deterministic) + { + rv = VNET_API_ERROR_UNSUPPORTED; + REPLY_MACRO (VL_API_NAT_DET_REVERSE_REPLY); + return; + } - rv = - nat44_add_del_lb_static_mapping (e_addr, - clib_net_to_host_u16 (mp->external_port), - proto, clib_net_to_host_u32 (mp->vrf_id), - locals, mp->is_add); + in_addr.as_u32 = 0; + clib_memcpy (&out_addr, mp->out_addr, 4); + dm = snat_det_map_by_out (sm, &out_addr); + if (!dm) + { + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto send_reply; + } - vec_free (locals); + snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr); - REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY); +send_reply: + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_NAT_DET_REVERSE_REPLY, + ({ + rmp->is_nat44 = 1; + memset (rmp->in_addr, 0, 16); + clib_memcpy (rmp->in_addr, &in_addr, 4); + })) + /* *INDENT-ON* */ } -static void *vl_api_nat44_add_del_lb_static_mapping_t_print - (vl_api_nat44_add_del_lb_static_mapping_t * mp, void *handle) +static void * +vl_api_nat_det_reverse_t_print (vl_api_nat_det_reverse_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat44_add_del_lb_static_mapping "); - s = format (s, "is_add %d\n", mp->is_add); + s = format (0, "SCRIPT: nat_det_reverse"); + s = format (s, "outside ip address %U outside port %d", + format_ip4_address, mp->out_addr, ntohs (mp->out_port)); FINISH; } static void -send_nat44_lb_static_mapping_details (snat_static_mapping_t * m, - unix_shared_memory_queue_t * q, - u32 context) +sent_nat_det_map_details (snat_det_map_t * m, vl_api_registration_t * reg, + u32 context) { - vl_api_nat44_lb_static_mapping_details_t *rmp; + vl_api_nat_det_map_details_t *rmp; snat_main_t *sm = &snat_main; - nat44_lb_addr_port_t *ap; - vl_api_nat44_lb_addr_port_t *locals; - rmp = - vl_msg_api_alloc (sizeof (*rmp) + - (vec_len (m->locals) * sizeof (nat44_lb_addr_port_t))); + rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base); - - clib_memcpy (rmp->external_addr, &(m->external_addr), 4); - rmp->external_port = ntohs (m->external_port); - rmp->protocol = snat_proto_to_ip_proto (m->proto); - rmp->vrf_id = ntohl (m->vrf_id); + rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_MAP_DETAILS + sm->msg_id_base); + rmp->is_nat44 = 1; + clib_memcpy (rmp->in_addr, &m->in_addr, 4); + rmp->in_plen = m->in_plen; + clib_memcpy (rmp->out_addr, &m->out_addr, 4); + rmp->out_plen = m->out_plen; + rmp->sharing_ratio = htonl (m->sharing_ratio); + rmp->ports_per_host = htons (m->ports_per_host); + rmp->ses_num = htonl (m->ses_num); rmp->context = context; - locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals; - vec_foreach (ap, m->locals) - { - clib_memcpy (locals->addr, &(ap->addr), 4); - locals->port = htons (ap->port); - locals->probability = ap->probability; - locals++; - rmp->local_num++; - } - - vl_msg_api_send_shmem (q, (u8 *) & rmp); + vl_api_send_msg (reg, (u8 *) rmp); } static void - vl_api_nat44_lb_static_mapping_dump_t_handler - (vl_api_nat44_lb_static_mapping_dump_t * mp) +vl_api_nat_det_map_dump_t_handler (vl_api_nat_det_map_dump_t * mp) { - unix_shared_memory_queue_t *q; + vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - snat_static_mapping_t *m; + snat_det_map_t *m; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + if (!sm->deterministic) + return; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; /* *INDENT-OFF* */ - pool_foreach (m, sm->static_mappings, - ({ - if (vec_len(m->locals)) - send_nat44_lb_static_mapping_details (m, q, mp->context); - })); + vec_foreach(m, sm->det_maps) + sent_nat_det_map_details(m, reg, mp->context); /* *INDENT-ON* */ } -static void *vl_api_nat44_lb_static_mapping_dump_t_print - (vl_api_nat44_lb_static_mapping_dump_t * mp, void *handle) +static void * +vl_api_nat_det_map_dump_t_print (vl_api_nat_det_map_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat44_lb_static_mapping_dump "); + s = format (0, "SCRIPT: nat_det_map_dump "); FINISH; } -/*******************************/ -/*** Deterministic NAT (CGN) ***/ -/*******************************/ - static void -vl_api_nat_det_add_del_map_t_handler (vl_api_nat_det_add_del_map_t * mp) +vl_api_nat_det_close_session_out_t_handler (vl_api_nat_det_close_session_out_t + * mp) { snat_main_t *sm = &snat_main; - vl_api_nat_det_add_del_map_reply_t *rmp; + vl_api_nat_det_close_session_out_reply_t *rmp; + ip4_address_t out_addr, ext_addr, in_addr; + snat_det_out_key_t key; + snat_det_map_t *dm; + snat_det_session_t *ses; int rv = 0; - ip4_address_t in_addr, out_addr; - if (!mp->is_nat44) + if (!sm->deterministic) { - rv = VNET_API_ERROR_UNIMPLEMENTED; + rv = VNET_API_ERROR_UNSUPPORTED; goto send_reply; } - clib_memcpy (&in_addr, mp->in_addr, 4); clib_memcpy (&out_addr, mp->out_addr, 4); - rv = snat_det_add_map (sm, &in_addr, mp->in_plen, &out_addr, - mp->out_plen, mp->is_add); + clib_memcpy (&ext_addr, mp->ext_addr, 4); + + dm = snat_det_map_by_out (sm, &out_addr); + if (!dm) + { + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto send_reply; + } + snat_det_reverse (dm, &ext_addr, ntohs (mp->out_port), &in_addr); + key.ext_host_addr = ext_addr; + key.ext_host_port = mp->ext_port; + key.out_port = mp->out_port; + ses = snat_det_get_ses_by_out (dm, &in_addr, key.as_u64); + if (!ses) + { + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto send_reply; + } + snat_det_ses_close (dm, ses); send_reply: - REPLY_MACRO (VL_API_NAT_DET_ADD_DEL_MAP_REPLY); + REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY); } static void * -vl_api_nat_det_add_del_map_t_print (vl_api_nat_det_add_del_map_t * mp, - void *handle) +vl_api_nat_det_close_session_out_t_print (vl_api_nat_det_close_session_out_t * + mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat_det_add_del_map "); - s = format (s, "inside address %U/%d outside address %U/%d\n", - format_ip4_address, mp->in_addr, mp->in_plen, - format_ip4_address, mp->out_addr, mp->out_plen); + s = format (0, "SCRIPT: nat_det_close_session_out "); + s = format (s, "out_addr %U out_port %d " + "ext_addr %U ext_port %d\n", + format_ip4_address, mp->out_addr, ntohs (mp->out_port), + format_ip4_address, mp->ext_addr, ntohs (mp->ext_port)); FINISH; } static void -vl_api_nat_det_forward_t_handler (vl_api_nat_det_forward_t * mp) +vl_api_nat_det_close_session_in_t_handler (vl_api_nat_det_close_session_in_t * + mp) { snat_main_t *sm = &snat_main; - vl_api_nat_det_forward_reply_t *rmp; - int rv = 0; - u16 lo_port = 0, hi_port = 0; + vl_api_nat_det_close_session_in_reply_t *rmp; + ip4_address_t in_addr, ext_addr; + snat_det_out_key_t key; snat_det_map_t *dm; - ip4_address_t in_addr, out_addr; + snat_det_session_t *ses; + int rv = 0; + + if (!sm->deterministic) + { + rv = VNET_API_ERROR_UNSUPPORTED; + goto send_reply; + } if (!mp->is_nat44) { - out_addr.as_u32 = 0; rv = VNET_API_ERROR_UNIMPLEMENTED; goto send_reply; } - out_addr.as_u32 = 0; clib_memcpy (&in_addr, mp->in_addr, 4); + clib_memcpy (&ext_addr, mp->ext_addr, 4); + dm = snat_det_map_by_user (sm, &in_addr); if (!dm) { rv = VNET_API_ERROR_NO_SUCH_ENTRY; goto send_reply; } - - snat_det_forward (dm, &in_addr, &out_addr, &lo_port); - hi_port = lo_port + dm->ports_per_host - 1; + key.ext_host_addr = ext_addr; + key.ext_host_port = mp->ext_port; + ses = snat_det_find_ses_by_in (dm, &in_addr, mp->in_port, key); + if (!ses) + { + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto send_reply; + } + snat_det_ses_close (dm, ses); send_reply: - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_DET_FORWARD_REPLY, - ({ - rmp->out_port_lo = ntohs (lo_port); - rmp->out_port_hi = ntohs (hi_port); - clib_memcpy (rmp->out_addr, &out_addr, 4); - })) - /* *INDENT-ON* */ + REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY); } static void * -vl_api_nat_det_forward_t_print (vl_api_nat_det_forward_t * mp, void *handle) +vl_api_nat_det_close_session_in_t_print (vl_api_nat_det_close_session_in_t * + mp, void *handle) { u8 *s; - - s = format (0, "SCRIPT: nat_det_forward"); - s = format (s, "inside ip address %U\n", format_ip4_address, mp->in_addr); + s = format (0, "SCRIPT: nat_det_close_session_in "); + s = format (s, "in_addr %U in_port %d ext_addr %U ext_port %d\n", + format_ip4_address, mp->in_addr, ntohs (mp->in_port), + format_ip4_address, mp->ext_addr, ntohs (mp->ext_port)); FINISH; } static void -vl_api_nat_det_reverse_t_handler (vl_api_nat_det_reverse_t * mp) +send_nat_det_session_details (snat_det_session_t * s, + vl_api_registration_t * reg, u32 context) { + vl_api_nat_det_session_details_t *rmp; snat_main_t *sm = &snat_main; - vl_api_nat_det_reverse_reply_t *rmp; - int rv = 0; - ip4_address_t out_addr, in_addr; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_SESSION_DETAILS + sm->msg_id_base); + rmp->in_port = s->in_port; + clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4); + rmp->ext_port = s->out.ext_host_port; + rmp->out_port = s->out.out_port; + rmp->state = s->state; + rmp->expire = ntohl (s->expire); + rmp->context = context; + + vl_api_send_msg (reg, (u8 *) rmp); +} + +static void +vl_api_nat_det_session_dump_t_handler (vl_api_nat_det_session_dump_t * mp) +{ + vl_api_registration_t *reg; + snat_main_t *sm = &snat_main; + ip4_address_t user_addr; snat_det_map_t *dm; + snat_det_session_t *s, empty_ses; + u16 i; - in_addr.as_u32 = 0; - clib_memcpy (&out_addr, mp->out_addr, 4); - dm = snat_det_map_by_out (sm, &out_addr); + if (!sm->deterministic) + return; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + if (!mp->is_nat44) + return; + + memset (&empty_ses, 0, sizeof (empty_ses)); + clib_memcpy (&user_addr, mp->user_addr, 4); + dm = snat_det_map_by_user (sm, &user_addr); if (!dm) + return; + + s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen); + for (i = 0; i < SNAT_DET_SES_PER_USER; i++) { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; - goto send_reply; + if (s->out.as_u64) + send_nat_det_session_details (s, reg, mp->context); + s++; } +} - snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr); +static void * +vl_api_nat_det_session_dump_t_print (vl_api_nat_det_session_dump_t * mp, + void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: nat_det_session_dump "); + s = format (s, "user_addr %U\n", format_ip4_address, mp->user_addr); + + FINISH; +} + +/*************/ +/*** NAT64 ***/ +/*************/ + +static void + vl_api_nat64_add_del_pool_addr_range_t_handler + (vl_api_nat64_add_del_pool_addr_range_t * mp) +{ + vl_api_nat64_add_del_pool_addr_range_reply_t *rmp; + snat_main_t *sm = &snat_main; + int rv = 0; + ip4_address_t this_addr; + u32 start_host_order, end_host_order; + u32 vrf_id; + int i, count; + u32 *tmp; + + tmp = (u32 *) mp->start_addr; + start_host_order = clib_host_to_net_u32 (tmp[0]); + tmp = (u32 *) mp->end_addr; + end_host_order = clib_host_to_net_u32 (tmp[0]); + + count = (end_host_order - start_host_order) + 1; + + vrf_id = clib_host_to_net_u32 (mp->vrf_id); + + memcpy (&this_addr.as_u8, mp->start_addr, 4); + + for (i = 0; i < count; i++) + { + if ((rv = nat64_add_del_pool_addr (&this_addr, vrf_id, mp->is_add))) + goto send_reply; + + increment_v4_address (&this_addr); + } send_reply: - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_DET_REVERSE_REPLY, - ({ - rmp->is_nat44 = 1; - memset (rmp->in_addr, 0, 16); - clib_memcpy (rmp->in_addr, &in_addr, 4); - })) - /* *INDENT-ON* */ + REPLY_MACRO (VL_API_NAT64_ADD_DEL_POOL_ADDR_RANGE_REPLY); } -static void * -vl_api_nat_det_reverse_t_print (vl_api_nat_det_reverse_t * mp, void *handle) +static void *vl_api_nat64_add_del_pool_addr_range_t_print + (vl_api_nat64_add_del_pool_addr_range_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat_det_reverse"); - s = format (s, "outside ip address %U outside port %d", - format_ip4_address, mp->out_addr, ntohs (mp->out_port)); + s = format (0, "SCRIPT: nat64_add_del_pool_addr_range "); + s = format (s, "%U - %U vrf_id %u %s\n", + format_ip4_address, mp->start_addr, + format_ip4_address, mp->end_addr, + ntohl (mp->vrf_id), mp->is_add ? "" : "del"); FINISH; } -static void -sent_nat_det_map_details (snat_det_map_t * m, unix_shared_memory_queue_t * q, - u32 context) +typedef struct nat64_api_walk_ctx_t_ { - vl_api_nat_det_map_details_t *rmp; + vl_api_registration_t *reg; + u32 context; + nat64_db_t *db; +} nat64_api_walk_ctx_t; + +static int +nat64_api_pool_walk (snat_address_t * a, void *arg) +{ + vl_api_nat64_pool_addr_details_t *rmp; snat_main_t *sm = &snat_main; + nat64_api_walk_ctx_t *ctx = arg; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_MAP_DETAILS + sm->msg_id_base); - rmp->is_nat44 = 1; - clib_memcpy (rmp->in_addr, &m->in_addr, 4); - rmp->in_plen = m->in_plen; - clib_memcpy (rmp->out_addr, &m->out_addr, 4); - rmp->out_plen = m->out_plen; - rmp->sharing_ratio = htonl (m->sharing_ratio); - rmp->ports_per_host = htons (m->ports_per_host); - rmp->ses_num = htonl (m->ses_num); - rmp->context = context; + rmp->_vl_msg_id = ntohs (VL_API_NAT64_POOL_ADDR_DETAILS + sm->msg_id_base); + clib_memcpy (rmp->address, &(a->addr), 4); + if (a->fib_index != ~0) + { + fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP6); + if (!fib) + return -1; + rmp->vrf_id = ntohl (fib->ft_table_id); + } + else + rmp->vrf_id = ~0; + rmp->context = ctx->context; + + vl_api_send_msg (ctx->reg, (u8 *) rmp); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + return 0; } static void -vl_api_nat_det_map_dump_t_handler (vl_api_nat_det_map_dump_t * mp) +vl_api_nat64_pool_addr_dump_t_handler (vl_api_nat64_pool_addr_dump_t * mp) { - unix_shared_memory_queue_t *q; - snat_main_t *sm = &snat_main; - snat_det_map_t *m; + vl_api_registration_t *reg; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; - /* *INDENT-OFF* */ - vec_foreach(m, sm->det_maps) - sent_nat_det_map_details(m, q, mp->context); - /* *INDENT-ON* */ + nat64_api_walk_ctx_t ctx = { + .reg = reg, + .context = mp->context, + }; + + nat64_pool_addr_walk (nat64_api_pool_walk, &ctx); } static void * -vl_api_nat_det_map_dump_t_print (vl_api_nat_det_map_dump_t * mp, void *handle) +vl_api_nat64_pool_addr_dump_t_print (vl_api_nat64_pool_addr_dump_t * mp, + void *handle) { u8 *s; - s = format (0, "SCRIPT: nat_det_map_dump "); + s = format (0, "SCRIPT: nat64_pool_addr_dump\n"); FINISH; } static void -vl_api_nat_det_set_timeouts_t_handler (vl_api_nat_det_set_timeouts_t * mp) +vl_api_nat64_add_del_interface_t_handler (vl_api_nat64_add_del_interface_t * + mp) { snat_main_t *sm = &snat_main; - vl_api_nat_det_set_timeouts_reply_t *rmp; + vl_api_nat64_add_del_interface_reply_t *rmp; int rv = 0; - sm->udp_timeout = ntohl (mp->udp); - sm->tcp_established_timeout = ntohl (mp->tcp_established); - sm->tcp_transitory_timeout = ntohl (mp->tcp_transitory); - sm->icmp_timeout = ntohl (mp->icmp); + VALIDATE_SW_IF_INDEX (mp); + + rv = + nat64_add_del_interface (ntohl (mp->sw_if_index), mp->is_inside, + mp->is_add); - REPLY_MACRO (VL_API_NAT_DET_SET_TIMEOUTS_REPLY); + BAD_SW_IF_INDEX_LABEL; + + REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_REPLY); } static void * -vl_api_nat_det_set_timeouts_t_print (vl_api_nat_det_set_timeouts_t * mp, - void *handle) +vl_api_nat64_add_del_interface_t_print (vl_api_nat64_add_del_interface_t * mp, + void *handle) { u8 *s; - s = format (0, "SCRIPT: nat_det_set_timeouts "); - s = format (s, "udp %d tcp_established %d tcp_transitory %d icmp %d\n", - ntohl (mp->udp), - ntohl (mp->tcp_established), - ntohl (mp->tcp_transitory), ntohl (mp->icmp)); + s = format (0, "SCRIPT: nat64_add_del_interface "); + s = format (s, "sw_if_index %d %s %s", + clib_host_to_net_u32 (mp->sw_if_index), + mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); FINISH; } -static void -vl_api_nat_det_get_timeouts_t_handler (vl_api_nat_det_get_timeouts_t * mp) +static int +nat64_api_interface_walk (snat_interface_t * i, void *arg) { + vl_api_nat64_interface_details_t *rmp; snat_main_t *sm = &snat_main; - vl_api_nat_det_get_timeouts_reply_t *rmp; - int rv = 0; + nat64_api_walk_ctx_t *ctx = arg; - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_DET_GET_TIMEOUTS_REPLY, - ({ - rmp->udp = htonl (sm->udp_timeout); - rmp->tcp_established = htonl (sm->tcp_established_timeout); - rmp->tcp_transitory = htonl (sm->tcp_transitory_timeout); - rmp->icmp = htonl (sm->icmp_timeout); - })) - /* *INDENT-ON* */ + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_NAT64_INTERFACE_DETAILS + sm->msg_id_base); + rmp->sw_if_index = ntohl (i->sw_if_index); + rmp->is_inside = (nat_interface_is_inside (i) + && nat_interface_is_outside (i)) ? 2 : + nat_interface_is_inside (i); + rmp->context = ctx->context; + + vl_api_send_msg (ctx->reg, (u8 *) rmp); + + return 0; +} + +static void +vl_api_nat64_interface_dump_t_handler (vl_api_nat64_interface_dump_t * mp) +{ + vl_api_registration_t *reg; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + nat64_api_walk_ctx_t ctx = { + .reg = reg, + .context = mp->context, + }; + + nat64_interfaces_walk (nat64_api_interface_walk, &ctx); } static void * -vl_api_nat_det_get_timeouts_t_print (vl_api_nat_det_get_timeouts_t * mp, +vl_api_nat64_interface_dump_t_print (vl_api_nat64_interface_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat_det_get_timeouts"); + s = format (0, "SCRIPT: snat_interface_dump "); FINISH; } static void -vl_api_nat_det_close_session_out_t_handler (vl_api_nat_det_close_session_out_t - * mp) + vl_api_nat64_add_del_static_bib_t_handler + (vl_api_nat64_add_del_static_bib_t * mp) { snat_main_t *sm = &snat_main; - vl_api_nat_det_close_session_out_reply_t *rmp; - ip4_address_t out_addr, ext_addr, in_addr; - snat_det_out_key_t key; - snat_det_map_t *dm; - snat_det_session_t *ses; + vl_api_nat64_add_del_static_bib_reply_t *rmp; + ip6_address_t in_addr; + ip4_address_t out_addr; int rv = 0; - clib_memcpy (&out_addr, mp->out_addr, 4); - clib_memcpy (&ext_addr, mp->ext_addr, 4); + memcpy (&in_addr.as_u8, mp->i_addr, 16); + memcpy (&out_addr.as_u8, mp->o_addr, 4); - dm = snat_det_map_by_out (sm, &out_addr); - if (!dm) - { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; - goto send_reply; - } - snat_det_reverse (dm, &ext_addr, ntohs (mp->out_port), &in_addr); - key.ext_host_addr = ext_addr; - key.ext_host_port = mp->ext_port; - key.out_port = mp->out_port; - ses = snat_det_get_ses_by_out (dm, &in_addr, key.as_u64); - if (!ses) - { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; - goto send_reply; - } - snat_det_ses_close (dm, ses); + rv = + nat64_add_del_static_bib_entry (&in_addr, &out_addr, + clib_net_to_host_u16 (mp->i_port), + clib_net_to_host_u16 (mp->o_port), + mp->proto, + clib_net_to_host_u32 (mp->vrf_id), + mp->is_add); -send_reply: - REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY); + REPLY_MACRO (VL_API_NAT64_ADD_DEL_STATIC_BIB_REPLY); } -static void * -vl_api_nat_det_close_session_out_t_print (vl_api_nat_det_close_session_out_t * - mp, void *handle) +static void *vl_api_nat64_add_del_static_bib_t_print + (vl_api_nat64_add_del_static_bib_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat_det_close_session_out "); - s = format (s, "out_addr %U out_port %d " - "ext_addr %U ext_port %d\n", - format_ip4_address, mp->out_addr, ntohs (mp->out_port), - format_ip4_address, mp->ext_addr, ntohs (mp->ext_port)); + s = format (0, "SCRIPT: nat64_add_del_static_bib "); + s = format (s, "protocol %d i_addr %U o_addr %U ", + mp->proto, + format_ip6_address, mp->i_addr, format_ip4_address, mp->o_addr); + + if (mp->vrf_id != ~0) + s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id)); FINISH; } -static void -vl_api_nat_det_close_session_in_t_handler (vl_api_nat_det_close_session_in_t * - mp) +static int +nat64_api_bib_walk (nat64_db_bib_entry_t * bibe, void *arg) { + vl_api_nat64_bib_details_t *rmp; snat_main_t *sm = &snat_main; - vl_api_nat_det_close_session_in_reply_t *rmp; - ip4_address_t in_addr, ext_addr; - snat_det_out_key_t key; - snat_det_map_t *dm; - snat_det_session_t *ses; - int rv = 0; + nat64_api_walk_ctx_t *ctx = arg; + fib_table_t *fib; - if (!mp->is_nat44) - { - rv = VNET_API_ERROR_UNIMPLEMENTED; - goto send_reply; - } + fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6); + if (!fib) + return -1; - clib_memcpy (&in_addr, mp->in_addr, 4); - clib_memcpy (&ext_addr, mp->ext_addr, 4); + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_NAT64_BIB_DETAILS + sm->msg_id_base); + rmp->context = ctx->context; + clib_memcpy (rmp->i_addr, &(bibe->in_addr), 16); + clib_memcpy (rmp->o_addr, &(bibe->out_addr), 4); + rmp->i_port = bibe->in_port; + rmp->o_port = bibe->out_port; + rmp->vrf_id = ntohl (fib->ft_table_id); + rmp->proto = bibe->proto; + rmp->is_static = bibe->is_static; + rmp->ses_num = ntohl (bibe->ses_num); - dm = snat_det_map_by_user (sm, &in_addr); - if (!dm) - { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; - goto send_reply; - } - key.ext_host_addr = ext_addr; - key.ext_host_port = mp->ext_port; - ses = snat_det_find_ses_by_in (dm, &in_addr, mp->in_port, key); - if (!ses) - { - rv = VNET_API_ERROR_NO_SUCH_ENTRY; - goto send_reply; - } - snat_det_ses_close (dm, ses); + vl_api_send_msg (ctx->reg, (u8 *) rmp); + + return 0; +} -send_reply: - REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY); +static void +vl_api_nat64_bib_dump_t_handler (vl_api_nat64_bib_dump_t * mp) +{ + vl_api_registration_t *reg; + nat64_main_t *nm = &nat64_main; + nat64_db_t *db; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + nat64_api_walk_ctx_t ctx = { + .reg = reg, + .context = mp->context, + }; + + /* *INDENT-OFF* */ + vec_foreach (db, nm->db) + nat64_db_bib_walk (db, mp->proto, nat64_api_bib_walk, &ctx); + /* *INDENT-ON* */ } static void * -vl_api_nat_det_close_session_in_t_print (vl_api_nat_det_close_session_in_t * - mp, void *handle) +vl_api_nat64_bib_dump_t_print (vl_api_nat64_bib_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat_det_close_session_in "); - s = format (s, "in_addr %U in_port %d ext_addr %U ext_port %d\n", - format_ip4_address, mp->in_addr, ntohs (mp->in_port), - format_ip4_address, mp->ext_addr, ntohs (mp->ext_port)); + + s = format (0, "SCRIPT: snat_bib_dump protocol %d", mp->proto); FINISH; } -static void -send_nat_det_session_details (snat_det_session_t * s, - unix_shared_memory_queue_t * q, u32 context) +static int +nat64_api_st_walk (nat64_db_st_entry_t * ste, void *arg) { - vl_api_nat_det_session_details_t *rmp; + vl_api_nat64_st_details_t *rmp; snat_main_t *sm = &snat_main; + nat64_api_walk_ctx_t *ctx = arg; + nat64_db_bib_entry_t *bibe; + fib_table_t *fib; + + bibe = nat64_db_bib_entry_by_index (ctx->db, ste->proto, ste->bibe_index); + if (!bibe) + return -1; + + fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6); + if (!fib) + return -1; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_SESSION_DETAILS + sm->msg_id_base); - rmp->in_port = s->in_port; - clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4); - rmp->ext_port = s->out.ext_host_port; - rmp->out_port = s->out.out_port; - rmp->state = s->state; - rmp->expire = ntohl (s->expire); - rmp->context = context; + rmp->_vl_msg_id = ntohs (VL_API_NAT64_ST_DETAILS + sm->msg_id_base); + rmp->context = ctx->context; + clib_memcpy (rmp->il_addr, &(bibe->in_addr), 16); + clib_memcpy (rmp->ol_addr, &(bibe->out_addr), 4); + rmp->il_port = bibe->in_port; + rmp->ol_port = bibe->out_port; + clib_memcpy (rmp->ir_addr, &(ste->in_r_addr), 16); + clib_memcpy (rmp->or_addr, &(ste->out_r_addr), 4); + rmp->il_port = ste->r_port; + rmp->vrf_id = ntohl (fib->ft_table_id); + rmp->proto = ste->proto; + + vl_api_send_msg (ctx->reg, (u8 *) rmp); - vl_msg_api_send_shmem (q, (u8 *) & rmp); + return 0; } static void -vl_api_nat_det_session_dump_t_handler (vl_api_nat_det_session_dump_t * mp) +vl_api_nat64_st_dump_t_handler (vl_api_nat64_st_dump_t * mp) { - unix_shared_memory_queue_t *q; - snat_main_t *sm = &snat_main; - ip4_address_t user_addr; - snat_det_map_t *dm; - snat_det_session_t *s, empty_ses; - u16 i; + vl_api_registration_t *reg; + nat64_main_t *nm = &nat64_main; + nat64_db_t *db; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; - if (!mp->is_nat44) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; - memset (&empty_ses, 0, sizeof (empty_ses)); - clib_memcpy (&user_addr, mp->user_addr, 4); - dm = snat_det_map_by_user (sm, &user_addr); - if (!dm) - return; + nat64_api_walk_ctx_t ctx = { + .reg = reg, + .context = mp->context, + }; - s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen); - for (i = 0; i < SNAT_DET_SES_PER_USER; i++) + /* *INDENT-OFF* */ + vec_foreach (db, nm->db) { - if (s->out.as_u64) - send_nat_det_session_details (s, q, mp->context); - s++; + ctx.db = db; + nat64_db_st_walk (db, mp->proto, nat64_api_st_walk, &ctx); } + /* *INDENT-ON* */ } static void * -vl_api_nat_det_session_dump_t_print (vl_api_nat_det_session_dump_t * mp, - void *handle) +vl_api_nat64_st_dump_t_print (vl_api_nat64_st_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat_det_session_dump "); - s = format (s, "user_addr %U\n", format_ip4_address, mp->user_addr); + s = format (0, "SCRIPT: snat_st_dump protocol %d", mp->proto); FINISH; } -/*************/ -/*** NAT64 ***/ -/*************/ - static void - vl_api_nat64_add_del_pool_addr_range_t_handler - (vl_api_nat64_add_del_pool_addr_range_t * mp) +vl_api_nat64_add_del_prefix_t_handler (vl_api_nat64_add_del_prefix_t * mp) { - vl_api_nat64_add_del_pool_addr_range_reply_t *rmp; + vl_api_nat64_add_del_prefix_reply_t *rmp; snat_main_t *sm = &snat_main; - nat64_main_t *nm = &nat64_main; + ip6_address_t prefix; int rv = 0; - ip4_address_t this_addr; - u32 start_host_order, end_host_order; - u32 vrf_id; - int i, count; - u32 *tmp; - - if (nm->is_disabled) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } - - tmp = (u32 *) mp->start_addr; - start_host_order = clib_host_to_net_u32 (tmp[0]); - tmp = (u32 *) mp->end_addr; - end_host_order = clib_host_to_net_u32 (tmp[0]); - - count = (end_host_order - start_host_order) + 1; - - vrf_id = clib_host_to_net_u32 (mp->vrf_id); - - memcpy (&this_addr.as_u8, mp->start_addr, 4); - - for (i = 0; i < count; i++) - { - if ((rv = nat64_add_del_pool_addr (&this_addr, vrf_id, mp->is_add))) - goto send_reply; - increment_v4_address (&this_addr); - } + memcpy (&prefix.as_u8, mp->prefix, 16); -send_reply: - REPLY_MACRO (VL_API_NAT64_ADD_DEL_POOL_ADDR_RANGE_REPLY); + rv = + nat64_add_del_prefix (&prefix, mp->prefix_len, + clib_net_to_host_u32 (mp->vrf_id), mp->is_add); + REPLY_MACRO (VL_API_NAT64_ADD_DEL_PREFIX_REPLY); } -static void *vl_api_nat64_add_del_pool_addr_range_t_print - (vl_api_nat64_add_del_pool_addr_range_t * mp, void *handle) +static void * +vl_api_nat64_add_del_prefix_t_print (vl_api_nat64_add_del_prefix_t * mp, + void *handle) { u8 *s; - s = format (0, "SCRIPT: nat64_add_del_pool_addr_range "); - s = format (s, "%U - %U vrf_id %u %s\n", - format_ip4_address, mp->start_addr, - format_ip4_address, mp->end_addr, + s = format (0, "SCRIPT: nat64_add_del_prefix %U/%u vrf_id %u %s\n", + format_ip6_address, mp->prefix, mp->prefix_len, ntohl (mp->vrf_id), mp->is_add ? "" : "del"); FINISH; } -typedef struct nat64_api_walk_ctx_t_ -{ - unix_shared_memory_queue_t *q; - u32 context; -} nat64_api_walk_ctx_t; - static int -nat64_api_pool_walk (snat_address_t * a, void *arg) +nat64_api_prefix_walk (nat64_prefix_t * p, void *arg) { - vl_api_nat64_pool_addr_details_t *rmp; + vl_api_nat64_prefix_details_t *rmp; snat_main_t *sm = &snat_main; nat64_api_walk_ctx_t *ctx = arg; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT64_POOL_ADDR_DETAILS + sm->msg_id_base); - clib_memcpy (rmp->address, &(a->addr), 4); - if (a->fib_index != ~0) - { - fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP6); - if (!fib) - return -1; - rmp->vrf_id = ntohl (fib->ft_table_id); - } - else - rmp->vrf_id = ~0; + rmp->_vl_msg_id = ntohs (VL_API_NAT64_PREFIX_DETAILS + sm->msg_id_base); + clib_memcpy (rmp->prefix, &(p->prefix), 16); + rmp->prefix_len = p->plen; + rmp->vrf_id = ntohl (p->vrf_id); rmp->context = ctx->context; - vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp); + vl_api_send_msg (ctx->reg, (u8 *) rmp); return 0; } static void -vl_api_nat64_pool_addr_dump_t_handler (vl_api_nat64_pool_addr_dump_t * mp) +vl_api_nat64_prefix_dump_t_handler (vl_api_nat64_prefix_dump_t * mp) { - unix_shared_memory_queue_t *q; - nat64_main_t *nm = &nat64_main; - - if (nm->is_disabled) - return; + vl_api_registration_t *reg; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; nat64_api_walk_ctx_t ctx = { - .q = q, + .reg = reg, .context = mp->context, }; - nat64_pool_addr_walk (nat64_api_pool_walk, &ctx); + nat64_prefix_walk (nat64_api_prefix_walk, &ctx); } static void * -vl_api_nat64_pool_addr_dump_t_print (vl_api_nat64_pool_addr_dump_t * mp, - void *handle) +vl_api_nat64_prefix_dump_t_print (vl_api_nat64_prefix_dump_t * mp, + void *handle) { u8 *s; - s = format (0, "SCRIPT: nat64_pool_addr_dump\n"); + s = format (0, "SCRIPT: nat64_prefix_dump\n"); FINISH; } static void -vl_api_nat64_add_del_interface_t_handler (vl_api_nat64_add_del_interface_t * - mp) + vl_api_nat64_add_del_interface_addr_t_handler + (vl_api_nat64_add_del_interface_addr_t * mp) { snat_main_t *sm = &snat_main; - nat64_main_t *nm = &nat64_main; - vl_api_nat64_add_del_interface_reply_t *rmp; + vl_api_nat64_add_del_interface_addr_reply_t *rmp; + u32 sw_if_index = ntohl (mp->sw_if_index); int rv = 0; - if (nm->is_disabled) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } - VALIDATE_SW_IF_INDEX (mp); - rv = - nat64_add_del_interface (ntohl (mp->sw_if_index), mp->is_inside, - mp->is_add); + rv = nat64_add_interface_address (sw_if_index, mp->is_add); BAD_SW_IF_INDEX_LABEL; -send_reply: - REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_REPLY); + REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_ADDR_REPLY); } -static void * -vl_api_nat64_add_del_interface_t_print (vl_api_nat64_add_del_interface_t * mp, - void *handle) +static void *vl_api_nat64_add_del_interface_addr_t_print + (vl_api_nat64_add_del_interface_addr_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat64_add_del_interface "); - s = format (s, "sw_if_index %d %s %s", + s = format (0, "SCRIPT: nat64_add_del_interface_addr "); + s = format (s, "sw_if_index %d %s", clib_host_to_net_u32 (mp->sw_if_index), - mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); + mp->is_add ? "" : "del"); FINISH; } -static int -nat64_api_interface_walk (snat_interface_t * i, void *arg) +/***************/ +/*** DS-Lite ***/ +/***************/ + +static void +vl_api_dslite_set_aftr_addr_t_handler (vl_api_dslite_set_aftr_addr_t * mp) { - vl_api_nat64_interface_details_t *rmp; + vl_api_dslite_set_aftr_addr_reply_t *rmp; snat_main_t *sm = &snat_main; - nat64_api_walk_ctx_t *ctx = arg; + dslite_main_t *dm = &dslite_main; + int rv = 0; + ip6_address_t ip6_addr; + ip4_address_t ip4_addr; - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT64_INTERFACE_DETAILS + sm->msg_id_base); - rmp->sw_if_index = ntohl (i->sw_if_index); - rmp->is_inside = (nat_interface_is_inside (i) - && nat_interface_is_outside (i)) ? 2 : - nat_interface_is_inside (i); - rmp->context = ctx->context; + memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16); + memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4); - vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp); + rv = dslite_set_aftr_ip6_addr (dm, &ip6_addr); + if (rv == 0) + rv = dslite_set_aftr_ip4_addr (dm, &ip4_addr); - return 0; + REPLY_MACRO (VL_API_DSLITE_SET_AFTR_ADDR_REPLY); } -static void -vl_api_nat64_interface_dump_t_handler (vl_api_nat64_interface_dump_t * mp) +static void * +vl_api_dslite_set_aftr_addr_t_print (vl_api_dslite_set_aftr_addr_t * mp, + void *handle) { - unix_shared_memory_queue_t *q; - nat64_main_t *nm = &nat64_main; + u8 *s; - if (nm->is_disabled) - return; + s = format (0, "SCRIPT: dslite_set_aftr_addr "); + s = format (s, "ip6_addr %U ip4_addr %U\n", + format_ip6_address, mp->ip6_addr, + format_ip4_address, mp->ip4_addr); - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; + FINISH; +} - nat64_api_walk_ctx_t ctx = { - .q = q, - .context = mp->context, - }; +static void +vl_api_dslite_get_aftr_addr_t_handler (vl_api_dslite_get_aftr_addr_t * mp) +{ + snat_main_t *sm = &snat_main; + vl_api_dslite_get_aftr_addr_reply_t *rmp; + dslite_main_t *dm = &dslite_main; + int rv = 0; - nat64_interfaces_walk (nat64_api_interface_walk, &ctx); + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_DSLITE_GET_AFTR_ADDR_REPLY, + ({ + memcpy (rmp->ip4_addr, &dm->aftr_ip4_addr.as_u8, 4); + memcpy (rmp->ip6_addr, &dm->aftr_ip6_addr.as_u8, 16); + })) + /* *INDENT-ON* */ } static void * -vl_api_nat64_interface_dump_t_print (vl_api_nat64_interface_dump_t * mp, +vl_api_dslite_get_aftr_addr_t_print (vl_api_dslite_get_aftr_addr_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_interface_dump "); + s = format (0, "SCRIPT: dslite_get_aftr_addr"); FINISH; } static void - vl_api_nat64_add_del_static_bib_t_handler - (vl_api_nat64_add_del_static_bib_t * mp) +vl_api_dslite_set_b4_addr_t_handler (vl_api_dslite_set_b4_addr_t * mp) { + vl_api_dslite_set_b4_addr_reply_t *rmp; snat_main_t *sm = &snat_main; - nat64_main_t *nm = &nat64_main; - vl_api_nat64_add_del_static_bib_reply_t *rmp; - ip6_address_t in_addr; - ip4_address_t out_addr; + dslite_main_t *dm = &dslite_main; int rv = 0; + ip6_address_t ip6_addr; + ip4_address_t ip4_addr; - if (nm->is_disabled) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } + memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16); + memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4); - memcpy (&in_addr.as_u8, mp->i_addr, 16); - memcpy (&out_addr.as_u8, mp->o_addr, 4); - - rv = - nat64_add_del_static_bib_entry (&in_addr, &out_addr, - clib_net_to_host_u16 (mp->i_port), - clib_net_to_host_u16 (mp->o_port), - mp->proto, - clib_net_to_host_u32 (mp->vrf_id), - mp->is_add); + rv = dslite_set_b4_ip6_addr (dm, &ip6_addr); + if (rv == 0) + rv = dslite_set_b4_ip4_addr (dm, &ip4_addr); -send_reply: - REPLY_MACRO (VL_API_NAT64_ADD_DEL_STATIC_BIB_REPLY); + REPLY_MACRO (VL_API_DSLITE_SET_B4_ADDR_REPLY); } -static void *vl_api_nat64_add_del_static_bib_t_print - (vl_api_nat64_add_del_static_bib_t * mp, void *handle) +static void * +vl_api_dslite_set_b4_addr_t_print (vl_api_dslite_set_b4_addr_t * mp, + void *handle) { u8 *s; - s = format (0, "SCRIPT: nat64_add_del_static_bib "); - s = format (s, "protocol %d i_addr %U o_addr %U ", - mp->proto, - format_ip6_address, mp->i_addr, format_ip4_address, mp->o_addr); + s = format (0, "SCRIPT: dslite_set_b4_addr "); + s = format (s, "ip6_addr %U ip4_addr %U\n", + format_ip6_address, mp->ip6_addr, + format_ip6_address, mp->ip4_addr); - if (mp->vrf_id != ~0) - s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id)); + FINISH; +} + +static void +vl_api_dslite_get_b4_addr_t_handler (vl_api_dslite_get_b4_addr_t * mp) +{ + snat_main_t *sm = &snat_main; + vl_api_dslite_get_b4_addr_reply_t *rmp; + dslite_main_t *dm = &dslite_main; + int rv = 0; + + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_DSLITE_GET_AFTR_ADDR_REPLY, + ({ + memcpy (rmp->ip4_addr, &dm->b4_ip4_addr.as_u8, 4); + memcpy (rmp->ip6_addr, &dm->b4_ip6_addr.as_u8, 16); + })) + /* *INDENT-ON* */ +} + +static void * +vl_api_dslite_get_b4_addr_t_print (vl_api_dslite_get_b4_addr_t * mp, + void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: dslite_get_b4_addr"); FINISH; } -static int -nat64_api_bib_walk (nat64_db_bib_entry_t * bibe, void *arg) +static void + vl_api_dslite_add_del_pool_addr_range_t_handler + (vl_api_dslite_add_del_pool_addr_range_t * mp) { - vl_api_nat64_bib_details_t *rmp; + vl_api_dslite_add_del_pool_addr_range_reply_t *rmp; snat_main_t *sm = &snat_main; - nat64_api_walk_ctx_t *ctx = arg; - fib_table_t *fib; + dslite_main_t *dm = &dslite_main; + int rv = 0; + ip4_address_t this_addr; + u32 start_host_order, end_host_order; + int i, count; + u32 *tmp; - fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6); - if (!fib) - return -1; + tmp = (u32 *) mp->start_addr; + start_host_order = clib_host_to_net_u32 (tmp[0]); + tmp = (u32 *) mp->end_addr; + end_host_order = clib_host_to_net_u32 (tmp[0]); + + count = (end_host_order - start_host_order) + 1; + memcpy (&this_addr.as_u8, mp->start_addr, 4); + + for (i = 0; i < count; i++) + { + if ((rv = dslite_add_del_pool_addr (dm, &this_addr, mp->is_add))) + goto send_reply; + + increment_v4_address (&this_addr); + } + +send_reply: + REPLY_MACRO (VL_API_DSLITE_ADD_DEL_POOL_ADDR_RANGE_REPLY); +} + +static void +send_dslite_address_details (snat_address_t * ap, + vl_api_registration_t * reg, u32 context) +{ + vl_api_dslite_address_details_t *rmp; + snat_main_t *sm = &snat_main; rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT64_BIB_DETAILS + sm->msg_id_base); - rmp->context = ctx->context; - clib_memcpy (rmp->i_addr, &(bibe->in_addr), 16); - clib_memcpy (rmp->o_addr, &(bibe->out_addr), 4); - rmp->i_port = bibe->in_port; - rmp->o_port = bibe->out_port; - rmp->vrf_id = ntohl (fib->ft_table_id); - rmp->proto = bibe->proto; - rmp->is_static = bibe->is_static; - rmp->ses_num = ntohl (bibe->ses_num); - vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp); + rmp->_vl_msg_id = ntohs (VL_API_DSLITE_ADDRESS_DETAILS + sm->msg_id_base); + clib_memcpy (rmp->ip_address, &(ap->addr), 4); + rmp->context = context; - return 0; + vl_api_send_msg (reg, (u8 *) rmp); } static void -vl_api_nat64_bib_dump_t_handler (vl_api_nat64_bib_dump_t * mp) +vl_api_dslite_address_dump_t_handler (vl_api_dslite_address_dump_t * mp) { - unix_shared_memory_queue_t *q; - nat64_main_t *nm = &nat64_main; + vl_api_registration_t *reg; + dslite_main_t *dm = &dslite_main; + snat_address_t *ap; - if (nm->is_disabled) + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) return; - q = vl_api_client_index_to_input_queue (mp->client_index); - if (q == 0) - return; + /* *INDENT-OFF* */ + vec_foreach (ap, dm->addr_pool) + { + send_dslite_address_details (ap, reg, mp->context); + } + /* *INDENT-ON* */ +} - nat64_api_walk_ctx_t ctx = { - .q = q, - .context = mp->context, - }; +static void * +vl_api_dslite_address_dump_t_print (vl_api_dslite_address_dump_t * mp, + void *handle) +{ + u8 *s; - nat64_db_bib_walk (&nm->db, mp->proto, nat64_api_bib_walk, &ctx); + s = format (0, "SCRIPT: dslite_address_dump "); + + FINISH; } -static void * -vl_api_nat64_bib_dump_t_print (vl_api_nat64_bib_dump_t * mp, void *handle) +static void *vl_api_dslite_add_del_pool_addr_range_t_print + (vl_api_dslite_add_del_pool_addr_range_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: snat_bib_dump protocol %d", mp->proto); + s = format (0, "SCRIPT: dslite_add_del_pool_addr_range "); + s = format (s, "%U - %U\n", + format_ip4_address, mp->start_addr, + format_ip4_address, mp->end_addr); FINISH; } + +/*************/ +/*** NAT66 ***/ +/*************/ + static void -vl_api_nat64_set_timeouts_t_handler (vl_api_nat64_set_timeouts_t * mp) +vl_api_nat66_add_del_interface_t_handler (vl_api_nat66_add_del_interface_t * + mp) { snat_main_t *sm = &snat_main; - nat64_main_t *nm = &nat64_main; - vl_api_nat64_set_timeouts_reply_t *rmp; + vl_api_nat66_add_del_interface_reply_t *rmp; int rv = 0; - if (nm->is_disabled) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } + VALIDATE_SW_IF_INDEX (mp); - rv = nat64_set_icmp_timeout (ntohl (mp->icmp)); - if (rv) - goto send_reply; - rv = nat64_set_udp_timeout (ntohl (mp->udp)); - if (rv) - goto send_reply; rv = - nat64_set_tcp_timeouts (ntohl (mp->tcp_trans), ntohl (mp->tcp_est), - ntohl (mp->tcp_incoming_syn)); + nat66_interface_add_del (ntohl (mp->sw_if_index), mp->is_inside, + mp->is_add); -send_reply: - REPLY_MACRO (VL_API_NAT64_SET_TIMEOUTS_REPLY); + BAD_SW_IF_INDEX_LABEL; + + REPLY_MACRO (VL_API_NAT66_ADD_DEL_INTERFACE_REPLY); } -static void *vl_api_nat64_set_timeouts_t_print - (vl_api_nat64_set_timeouts_t * mp, void *handle) +static void * +vl_api_nat66_add_del_interface_t_print (vl_api_nat66_add_del_interface_t * mp, + void *handle) { u8 *s; - s = format (0, "SCRIPT: nat64_set_timeouts "); - s = - format (s, - "udp %d icmp %d, tcp_trans %d, tcp_est %d, tcp_incoming_syn %d\n", - ntohl (mp->udp), ntohl (mp->icmp), ntohl (mp->tcp_trans), - ntohl (mp->tcp_est), ntohl (mp->tcp_incoming_syn)); + s = format (0, "SCRIPT: nat66_add_del_interface "); + s = format (s, "sw_if_index %d %s %s", + clib_host_to_net_u32 (mp->sw_if_index), + mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); FINISH; } static void -vl_api_nat64_get_timeouts_t_handler (vl_api_nat64_get_timeouts_t * mp) + vl_api_nat66_add_del_static_mapping_t_handler + (vl_api_nat66_add_del_static_mapping_t * mp) { snat_main_t *sm = &snat_main; - nat64_main_t *nm = &nat64_main; - vl_api_nat64_get_timeouts_reply_t *rmp; + vl_api_nat66_add_del_static_mapping_reply_t *rmp; + ip6_address_t l_addr, e_addr; int rv = 0; - if (nm->is_disabled) - return; + memcpy (&l_addr.as_u8, mp->local_ip_address, 16); + memcpy (&e_addr.as_u8, mp->external_ip_address, 16); - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT64_GET_TIMEOUTS_REPLY, - ({ - rmp->udp = htonl (nat64_get_udp_timeout()); - rmp->icmp = htonl (nat64_get_icmp_timeout()); - rmp->tcp_trans = htonl (nat64_get_tcp_trans_timeout()); - rmp->tcp_est = htonl (nat64_get_tcp_est_timeout()); - rmp->tcp_incoming_syn = htonl (nat64_get_tcp_incoming_syn_timeout()); - })) - /* *INDENT-ON* */ + rv = + nat66_static_mapping_add_del (&l_addr, &e_addr, + clib_net_to_host_u32 (mp->vrf_id), + mp->is_add); + + REPLY_MACRO (VL_API_NAT66_ADD_DEL_STATIC_MAPPING_REPLY); } -static void *vl_api_nat64_get_timeouts_t_print - (vl_api_nat64_get_timeouts_t * mp, void *handle) +static void *vl_api_nat66_add_del_static_mapping_t_print + (vl_api_nat66_add_del_static_mapping_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat64_get_timeouts"); + s = format (0, "SCRIPT: nat66_add_del_static_mapping "); + s = format (s, "local_ip_address %U external_ip_address %U vrf_id %d %s", + format_ip6_address, mp->local_ip_address, + format_ip6_address, mp->external_ip_address, + clib_net_to_host_u32 (mp->vrf_id), mp->is_add ? "" : "del"); FINISH; } +typedef struct nat66_api_walk_ctx_t_ +{ + svm_queue_t *q; + u32 context; +} nat66_api_walk_ctx_t; + static int -nat64_api_st_walk (nat64_db_st_entry_t * ste, void *arg) +nat66_api_interface_walk (snat_interface_t * i, void *arg) { - vl_api_nat64_st_details_t *rmp; + vl_api_nat66_interface_details_t *rmp; snat_main_t *sm = &snat_main; - nat64_api_walk_ctx_t *ctx = arg; - nat64_main_t *nm = &nat64_main; - nat64_db_bib_entry_t *bibe; - fib_table_t *fib; - - bibe = nat64_db_bib_entry_by_index (&nm->db, ste->proto, ste->bibe_index); - if (!bibe) - return -1; - - fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6); - if (!fib) - return -1; + nat66_api_walk_ctx_t *ctx = arg; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT64_ST_DETAILS + sm->msg_id_base); + rmp->_vl_msg_id = ntohs (VL_API_NAT66_INTERFACE_DETAILS + sm->msg_id_base); + rmp->sw_if_index = ntohl (i->sw_if_index); + rmp->is_inside = nat_interface_is_inside (i); rmp->context = ctx->context; - clib_memcpy (rmp->il_addr, &(bibe->in_addr), 16); - clib_memcpy (rmp->ol_addr, &(bibe->out_addr), 4); - rmp->il_port = bibe->in_port; - rmp->ol_port = bibe->out_port; - clib_memcpy (rmp->ir_addr, &(ste->in_r_addr), 16); - clib_memcpy (rmp->or_addr, &(ste->out_r_addr), 4); - rmp->il_port = ste->r_port; - rmp->vrf_id = ntohl (fib->ft_table_id); - rmp->proto = ste->proto; vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp); @@ -3134,86 +2890,58 @@ nat64_api_st_walk (nat64_db_st_entry_t * ste, void *arg) } static void -vl_api_nat64_st_dump_t_handler (vl_api_nat64_st_dump_t * mp) +vl_api_nat66_interface_dump_t_handler (vl_api_nat66_interface_dump_t * mp) { - unix_shared_memory_queue_t *q; - nat64_main_t *nm = &nat64_main; - - if (nm->is_disabled) - return; + svm_queue_t *q; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; - nat64_api_walk_ctx_t ctx = { + nat66_api_walk_ctx_t ctx = { .q = q, .context = mp->context, }; - nat64_db_st_walk (&nm->db, mp->proto, nat64_api_st_walk, &ctx); -} - -static void * -vl_api_nat64_st_dump_t_print (vl_api_nat64_st_dump_t * mp, void *handle) -{ - u8 *s; - - s = format (0, "SCRIPT: snat_st_dump protocol %d", mp->proto); - - FINISH; -} - -static void -vl_api_nat64_add_del_prefix_t_handler (vl_api_nat64_add_del_prefix_t * mp) -{ - vl_api_nat64_add_del_prefix_reply_t *rmp; - snat_main_t *sm = &snat_main; - nat64_main_t *nm = &nat64_main; - ip6_address_t prefix; - int rv = 0; - - if (nm->is_disabled) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } - - memcpy (&prefix.as_u8, mp->prefix, 16); - - rv = - nat64_add_del_prefix (&prefix, mp->prefix_len, - clib_net_to_host_u32 (mp->vrf_id), mp->is_add); -send_reply: - REPLY_MACRO (VL_API_NAT64_ADD_DEL_PREFIX_REPLY); + nat66_interfaces_walk (nat66_api_interface_walk, &ctx); } static void * -vl_api_nat64_add_del_prefix_t_print (vl_api_nat64_add_del_prefix_t * mp, +vl_api_nat66_interface_dump_t_print (vl_api_nat66_interface_dump_t * mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat64_add_del_prefix %U/%u vrf_id %u %s\n", - format_ip6_address, mp->prefix, mp->prefix_len, - ntohl (mp->vrf_id), mp->is_add ? "" : "del"); + s = format (0, "SCRIPT: nat66_interface_dump "); FINISH; } static int -nat64_api_prefix_walk (nat64_prefix_t * p, void *arg) +nat66_api_static_mapping_walk (nat66_static_mapping_t * m, void *arg) { - vl_api_nat64_prefix_details_t *rmp; + vl_api_nat66_static_mapping_details_t *rmp; + nat66_main_t *nm = &nat66_main; snat_main_t *sm = &snat_main; - nat64_api_walk_ctx_t *ctx = arg; + nat66_api_walk_ctx_t *ctx = arg; + fib_table_t *fib; + vlib_counter_t vc; + + fib = fib_table_get (m->fib_index, FIB_PROTOCOL_IP6); + if (!fib) + return -1; + + vlib_get_combined_counter (&nm->session_counters, m - nm->sm, &vc); rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_NAT64_PREFIX_DETAILS + sm->msg_id_base); - clib_memcpy (rmp->prefix, &(p->prefix), 16); - rmp->prefix_len = p->plen; - rmp->vrf_id = ntohl (p->vrf_id); + rmp->_vl_msg_id = + ntohs (VL_API_NAT66_STATIC_MAPPING_DETAILS + sm->msg_id_base); + clib_memcpy (rmp->local_ip_address, &m->l_addr, 16); + clib_memcpy (rmp->external_ip_address, &m->e_addr, 16); + rmp->vrf_id = ntohl (fib->ft_table_id); + rmp->total_bytes = clib_host_to_net_u64 (vc.bytes); + rmp->total_pkts = clib_host_to_net_u64 (vc.packets); rmp->context = ctx->context; vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp); @@ -3222,76 +2950,53 @@ nat64_api_prefix_walk (nat64_prefix_t * p, void *arg) } static void -vl_api_nat64_prefix_dump_t_handler (vl_api_nat64_prefix_dump_t * mp) +vl_api_nat66_static_mapping_dump_t_handler (vl_api_nat66_static_mapping_dump_t + * mp) { - unix_shared_memory_queue_t *q; - nat64_main_t *nm = &nat64_main; - - if (nm->is_disabled) - return; + svm_queue_t *q; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; - nat64_api_walk_ctx_t ctx = { + nat66_api_walk_ctx_t ctx = { .q = q, .context = mp->context, }; - nat64_prefix_walk (nat64_api_prefix_walk, &ctx); + nat66_static_mappings_walk (nat66_api_static_mapping_walk, &ctx); } static void * -vl_api_nat64_prefix_dump_t_print (vl_api_nat64_prefix_dump_t * mp, - void *handle) +vl_api_nat66_static_mapping_dump_t_print (vl_api_nat66_static_mapping_dump_t * + mp, void *handle) { u8 *s; - s = format (0, "SCRIPT: nat64_prefix_dump\n"); + s = format (0, "SCRIPT: nat66_static_mapping_dump "); FINISH; } + /* List of message types that this plugin understands */ #define foreach_snat_plugin_api_msg \ -_(SNAT_ADD_ADDRESS_RANGE, snat_add_address_range) \ -_(SNAT_INTERFACE_ADD_DEL_FEATURE, snat_interface_add_del_feature) \ -_(SNAT_ADD_STATIC_MAPPING, snat_add_static_mapping) \ -_(SNAT_CONTROL_PING, snat_control_ping) \ -_(SNAT_STATIC_MAPPING_DUMP, snat_static_mapping_dump) \ -_(SNAT_SHOW_CONFIG, snat_show_config) \ -_(SNAT_ADDRESS_DUMP, snat_address_dump) \ -_(SNAT_INTERFACE_DUMP, snat_interface_dump) \ -_(SNAT_SET_WORKERS, snat_set_workers) \ -_(SNAT_WORKER_DUMP, snat_worker_dump) \ -_(SNAT_ADD_DEL_INTERFACE_ADDR, snat_add_del_interface_addr) \ -_(SNAT_INTERFACE_ADDR_DUMP, snat_interface_addr_dump) \ -_(SNAT_IPFIX_ENABLE_DISABLE, snat_ipfix_enable_disable) \ -_(SNAT_USER_DUMP, snat_user_dump) \ -_(SNAT_USER_SESSION_DUMP, snat_user_session_dump) \ -_(SNAT_INTERFACE_ADD_DEL_OUTPUT_FEATURE, \ - snat_interface_add_del_output_feature) \ -_(SNAT_INTERFACE_OUTPUT_FEATURE_DUMP, \ - snat_interface_output_feature_dump) \ -_(SNAT_ADD_DET_MAP, snat_add_det_map) \ -_(SNAT_DET_FORWARD, snat_det_forward) \ -_(SNAT_DET_REVERSE, snat_det_reverse) \ -_(SNAT_DET_MAP_DUMP, snat_det_map_dump) \ -_(SNAT_DET_SET_TIMEOUTS, snat_det_set_timeouts) \ -_(SNAT_DET_GET_TIMEOUTS, snat_det_get_timeouts) \ -_(SNAT_DET_CLOSE_SESSION_OUT, snat_det_close_session_out) \ -_(SNAT_DET_CLOSE_SESSION_IN, snat_det_close_session_in) \ -_(SNAT_DET_SESSION_DUMP, snat_det_session_dump) \ _(NAT_CONTROL_PING, nat_control_ping) \ _(NAT_SHOW_CONFIG, nat_show_config) \ _(NAT_SET_WORKERS, nat_set_workers) \ _(NAT_WORKER_DUMP, nat_worker_dump) \ _(NAT_IPFIX_ENABLE_DISABLE, nat_ipfix_enable_disable) \ +_(NAT_SET_REASS, nat_set_reass) \ +_(NAT_GET_REASS, nat_get_reass) \ +_(NAT_REASS_DUMP, nat_reass_dump) \ +_(NAT_SET_TIMEOUTS, nat_set_timeouts) \ +_(NAT_GET_TIMEOUTS, nat_get_timeouts) \ _(NAT44_ADD_DEL_ADDRESS_RANGE, nat44_add_del_address_range) \ _(NAT44_INTERFACE_ADD_DEL_FEATURE, nat44_interface_add_del_feature) \ _(NAT44_ADD_DEL_STATIC_MAPPING, nat44_add_del_static_mapping) \ +_(NAT44_ADD_DEL_IDENTITY_MAPPING, nat44_add_del_identity_mapping) \ _(NAT44_STATIC_MAPPING_DUMP, nat44_static_mapping_dump) \ +_(NAT44_IDENTITY_MAPPING_DUMP, nat44_identity_mapping_dump) \ _(NAT44_ADDRESS_DUMP, nat44_address_dump) \ _(NAT44_INTERFACE_DUMP, nat44_interface_dump) \ _(NAT44_ADD_DEL_INTERFACE_ADDR, nat44_add_del_interface_addr) \ @@ -3304,12 +3009,13 @@ _(NAT44_INTERFACE_OUTPUT_FEATURE_DUMP, \ nat44_interface_output_feature_dump) \ _(NAT44_ADD_DEL_LB_STATIC_MAPPING, nat44_add_del_lb_static_mapping) \ _(NAT44_LB_STATIC_MAPPING_DUMP, nat44_lb_static_mapping_dump) \ +_(NAT44_DEL_SESSION, nat44_del_session) \ +_(NAT44_FORWARDING_ENABLE_DISABLE, nat44_forwarding_enable_disable) \ +_(NAT44_FORWARDING_IS_ENABLED, nat44_forwarding_is_enabled) \ _(NAT_DET_ADD_DEL_MAP, nat_det_add_del_map) \ _(NAT_DET_FORWARD, nat_det_forward) \ _(NAT_DET_REVERSE, nat_det_reverse) \ _(NAT_DET_MAP_DUMP, nat_det_map_dump) \ -_(NAT_DET_SET_TIMEOUTS, nat_det_set_timeouts) \ -_(NAT_DET_GET_TIMEOUTS, nat_det_get_timeouts) \ _(NAT_DET_CLOSE_SESSION_OUT, nat_det_close_session_out) \ _(NAT_DET_CLOSE_SESSION_IN, nat_det_close_session_in) \ _(NAT_DET_SESSION_DUMP, nat_det_session_dump) \ @@ -3319,11 +3025,20 @@ _(NAT64_ADD_DEL_INTERFACE, nat64_add_del_interface) \ _(NAT64_INTERFACE_DUMP, nat64_interface_dump) \ _(NAT64_ADD_DEL_STATIC_BIB, nat64_add_del_static_bib) \ _(NAT64_BIB_DUMP, nat64_bib_dump) \ -_(NAT64_SET_TIMEOUTS, nat64_set_timeouts) \ -_(NAT64_GET_TIMEOUTS, nat64_get_timeouts) \ _(NAT64_ST_DUMP, nat64_st_dump) \ _(NAT64_ADD_DEL_PREFIX, nat64_add_del_prefix) \ -_(NAT64_PREFIX_DUMP, nat64_prefix_dump) +_(NAT64_PREFIX_DUMP, nat64_prefix_dump) \ +_(NAT64_ADD_DEL_INTERFACE_ADDR, nat64_add_del_interface_addr) \ +_(DSLITE_ADD_DEL_POOL_ADDR_RANGE, dslite_add_del_pool_addr_range) \ +_(DSLITE_ADDRESS_DUMP, dslite_address_dump) \ +_(DSLITE_SET_AFTR_ADDR, dslite_set_aftr_addr) \ +_(DSLITE_GET_AFTR_ADDR, dslite_get_aftr_addr) \ +_(DSLITE_SET_B4_ADDR, dslite_set_b4_addr) \ +_(DSLITE_GET_B4_ADDR, dslite_get_b4_addr) \ +_(NAT66_ADD_DEL_INTERFACE, nat66_add_del_interface) \ +_(NAT66_INTERFACE_DUMP, nat66_interface_dump) \ +_(NAT66_ADD_DEL_STATIC_MAPPING, nat66_add_del_static_mapping) \ +_(NAT66_STATIC_MAPPING_DUMP, nat66_static_mapping_dump) /* Set up the API message handling tables */ static clib_error_t * @@ -3373,7 +3088,7 @@ snat_api_init (vlib_main_t * vm, snat_main_t * sm) u8 *name; clib_error_t *error = 0; - name = format (0, "snat_%08x%c", api_version, 0); + name = format (0, "nat_%08x%c", api_version, 0); /* Ask for a correctly-sized block of API message decode slots */ sm->msg_id_base =