diff options
author | Filip Varga <fivarga@cisco.com> | 2021-02-17 14:34:54 +0100 |
---|---|---|
committer | Ole Tr�an <otroan@employees.org> | 2021-02-24 19:25:25 +0000 |
commit | 0eaf4e6784efb2d058fe2f031578251b6bcc0aa8 (patch) | |
tree | cc0c2b485bfee51068fa4970acc9f95ec595e8e5 /src/plugins/nat/nat44_api.c | |
parent | 5db2f4a4312112ab57043ce88f10edc4acc141ec (diff) |
nat: Final NAT44 EI/ED split patch
This patch achieves complete separation of
endpoint-dependent and endpoint-independent IPv4 NAT
features. Some common stuff is also moved to NAT
library.
Type: refactor
Change-Id: I52468b7e2b5ac28958a2baf8e2ea01787322e801
Signed-off-by: Filip Varga <fivarga@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat44_api.c')
-rw-r--r-- | src/plugins/nat/nat44_api.c | 1750 |
1 files changed, 0 insertions, 1750 deletions
diff --git a/src/plugins/nat/nat44_api.c b/src/plugins/nat/nat44_api.c deleted file mode 100644 index a5e29198c64..00000000000 --- a/src/plugins/nat/nat44_api.c +++ /dev/null @@ -1,1750 +0,0 @@ -/* - * Copyright (c) 2020 Cisco and/or its affiliates. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/** - * @file - * @brief NAT44 plugin API implementation - */ - -#include <vnet/ip/ip_types_api.h> -#include <vlibmemory/api.h> - -#include <vnet/fib/fib_table.h> - -#include <nat/lib/nat_inlines.h> -#include <nat/lib/ipfix_logging.h> - -#include <nat/nat.h> - -#include <nat/nat44.api_enum.h> -#include <nat/nat44.api_types.h> - -#include <nat/nat44-ei/nat44_ei_ha.h> -#include <nat/nat44-ei/nat44_ei.h> -#include <nat/nat_inlines.h> - -#include <nat/nat44/inlines.h> -#include <nat/nat44/ed_inlines.h> - -#define REPLY_MSG_ID_BASE sm->msg_id_base -#include <vlibapi/api_helper_macros.h> - -static void -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; - 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_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_ZERO (VL_API_NAT_SHOW_CONFIG_REPLY, - ({ - rmp->translation_buckets = htonl (sm->translation_buckets); - rmp->user_buckets = htonl (sm->user_buckets); - 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->endpoint_dependent = sm->endpoint_dependent; - rmp->out2in_dpo = sm->out2in_dpo; - })); - /* *INDENT-ON* */ -} - -static void -vl_api_nat_show_config_2_t_handler (vl_api_nat_show_config_2_t * mp) -{ - vl_api_nat_show_config_2_reply_t *rmp; - snat_main_t *sm = &snat_main; - int rv = 0; - - /* *INDENT-OFF* */ - REPLY_MACRO2_ZERO (VL_API_NAT_SHOW_CONFIG_2_REPLY, - ({ - rmp->translation_buckets = htonl (sm->translation_buckets); - rmp->user_buckets = htonl (sm->user_buckets); - 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->endpoint_dependent = sm->endpoint_dependent; - rmp->out2in_dpo = sm->out2in_dpo; - rmp->max_translations_per_thread = clib_net_to_host_u32(sm->max_translations_per_thread); - rmp->max_users_per_thread = clib_net_to_host_u32(sm->max_users_per_thread); - })); - /* *INDENT-ON* */ -} - -static void -vl_api_nat44_show_running_config_t_handler (vl_api_nat44_show_running_config_t - * mp) -{ - vl_api_nat44_show_running_config_reply_t *rmp; - snat_main_t *sm = &snat_main; - nat44_config_t *rc = &sm->rconfig; - int rv = 0; - - /* *INDENT-OFF* */ - REPLY_MACRO2_ZERO (VL_API_NAT44_SHOW_RUNNING_CONFIG_REPLY, - ({ - rmp->inside_vrf = htonl (rc->inside_vrf); - rmp->outside_vrf = htonl (rc->outside_vrf); - rmp->users = htonl (rc->users); - rmp->sessions = htonl (rc->sessions); - rmp->user_sessions = htonl (rc->user_sessions); - - rmp->user_buckets = htonl (sm->user_buckets); - rmp->translation_buckets = htonl (sm->translation_buckets); - - rmp->timeouts.udp = htonl (sm->timeouts.udp); - rmp->timeouts.tcp_established = htonl (sm->timeouts.tcp.established); - rmp->timeouts.tcp_transitory = htonl (sm->timeouts.tcp.transitory); - rmp->timeouts.icmp = htonl (sm->timeouts.icmp); - - rmp->forwarding_enabled = sm->forwarding_enabled == 1; - // consider how to split functionality between subplugins - rmp->ipfix_logging_enabled = nat_ipfix_logging_enabled (); - - if (rc->endpoint_dependent) - rmp->flags |= NAT44_IS_ENDPOINT_DEPENDENT; - else - rmp->flags |= NAT44_IS_ENDPOINT_INDEPENDENT; - - if (rc->static_mapping_only) - rmp->flags |= NAT44_IS_STATIC_MAPPING_ONLY; - if (rc->connection_tracking) - rmp->flags |= NAT44_IS_CONNECTION_TRACKING; - if (rc->out2in_dpo) - rmp->flags |= NAT44_IS_OUT2IN_DPO; - })); - /* *INDENT-ON* */ -} - -static void -vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_set_workers_reply_t *rmp; - int rv = 0; - uword *bitmap = 0; - u64 mask; - - 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 -send_nat_worker_details (u32 worker_index, vl_api_registration_t * reg, - 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)); - clib_memset (rmp, 0, sizeof (*rmp)); - 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->cpu_id); - strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1); - - vl_api_send_msg (reg, (u8 *) rmp); -} - -static void -vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp) -{ - vl_api_registration_t *reg; - snat_main_t *sm = &snat_main; - u32 *worker_index; - - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - /* *INDENT-OFF* */ - vec_foreach (worker_index, sm->workers) - send_nat_worker_details(*worker_index, reg, mp->context); - /* *INDENT-ON* */ -} - -static void -vl_api_nat44_session_cleanup_t_handler (vl_api_nat44_session_cleanup_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat44_session_cleanup_reply_t *rmp; - int rv = 0; - REPLY_MACRO (VL_API_NAT44_SESSION_CLEANUP_REPLY); -} - -static void -vl_api_nat44_set_session_limit_t_handler (vl_api_nat44_set_session_limit_t * - mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat44_set_session_limit_reply_t *rmp; - int rv = 0; - - rv = nat44_set_session_limit - (ntohl (mp->session_limit), ntohl (mp->vrf_id)); - - REPLY_MACRO (VL_API_NAT44_SET_SESSION_LIMIT_REPLY); -} - -static void -vl_api_nat_set_log_level_t_handler (vl_api_nat_set_log_level_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_set_log_level_reply_t *rmp; - int rv = 0; - - if (sm->log_level > NAT_LOG_DEBUG) - rv = VNET_API_ERROR_UNSUPPORTED; - else - sm->log_level = mp->log_level; - - REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY); -} - -static void - vl_api_nat44_plugin_enable_disable_t_handler - (vl_api_nat44_plugin_enable_disable_t * mp) -{ - snat_main_t *sm = &snat_main; - nat44_config_t c = { 0 }; - vl_api_nat44_plugin_enable_disable_reply_t *rmp; - int rv = 0; - - if (mp->enable) - { - c.endpoint_dependent = mp->flags & NAT44_API_IS_ENDPOINT_DEPENDENT; - c.static_mapping_only = mp->flags & NAT44_API_IS_STATIC_MAPPING_ONLY; - c.connection_tracking = mp->flags & NAT44_API_IS_CONNECTION_TRACKING; - c.out2in_dpo = mp->flags & NAT44_API_IS_OUT2IN_DPO; - - c.inside_vrf = ntohl (mp->inside_vrf); - c.outside_vrf = ntohl (mp->outside_vrf); - - c.users = ntohl (mp->users); - - c.sessions = ntohl (mp->sessions); - - c.user_sessions = ntohl (mp->user_sessions); - - rv = nat44_plugin_enable (c); - } - else - rv = nat44_plugin_disable (); - - REPLY_MACRO (VL_API_NAT44_PLUGIN_ENABLE_DISABLE_REPLY); -} - -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 = nat_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_set_timeouts_t_handler (vl_api_nat_set_timeouts_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_set_timeouts_reply_t *rmp; - int rv = 0; - - sm->timeouts.udp = ntohl (mp->udp); - sm->timeouts.tcp.established = ntohl (mp->tcp_established); - sm->timeouts.tcp.transitory = ntohl (mp->tcp_transitory); - sm->timeouts.icmp = ntohl (mp->icmp); - - REPLY_MACRO (VL_API_NAT_SET_TIMEOUTS_REPLY); -} - -static void -vl_api_nat_get_timeouts_t_handler (vl_api_nat_get_timeouts_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_get_timeouts_reply_t *rmp; - int rv = 0; - - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_GET_TIMEOUTS_REPLY, - ({ - rmp->udp = htonl (sm->timeouts.udp); - rmp->tcp_established = htonl (sm->timeouts.tcp.established); - rmp->tcp_transitory = htonl (sm->timeouts.tcp.transitory); - rmp->icmp = htonl (sm->timeouts.icmp); - })) - /* *INDENT-ON* */ -} - -static void -vl_api_nat_set_fq_options_t_handler (vl_api_nat_set_fq_options_t *mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_set_fq_options_reply_t *rmp; - int rv = 0; - u32 frame_queue_nelts = ntohl (mp->frame_queue_nelts); - rv = snat_set_frame_queue_nelts (frame_queue_nelts); - REPLY_MACRO (VL_API_NAT_SET_FQ_OPTIONS_REPLY); -} - -static void -vl_api_nat_show_fq_options_t_handler (vl_api_nat_show_fq_options_t *mp) -{ - vl_api_nat_show_fq_options_reply_t *rmp; - snat_main_t *sm = &snat_main; - int rv = 0; - /* clang-format off */ - REPLY_MACRO2_ZERO (VL_API_NAT_SHOW_FQ_OPTIONS_REPLY, - ({ - rmp->frame_queue_nelts = htonl (sm->frame_queue_nelts); - })); - /* clang-format on */ -} - -static void - vl_api_nat_set_addr_and_port_alloc_alg_t_handler - (vl_api_nat_set_addr_and_port_alloc_alg_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_set_addr_and_port_alloc_alg_reply_t *rmp; - int rv = 0; - u16 port_start, port_end; - - if (sm->endpoint_dependent) - { - rv = VNET_API_ERROR_UNSUPPORTED; - goto send_reply; - } - - switch (mp->alg) - { - case NAT_ADDR_AND_PORT_ALLOC_ALG_DEFAULT: - nat44_ei_set_alloc_default (); - break; - case NAT_ADDR_AND_PORT_ALLOC_ALG_MAPE: - nat44_ei_set_alloc_mape (ntohs (mp->psid), mp->psid_offset, - mp->psid_length); - break; - case NAT_ADDR_AND_PORT_ALLOC_ALG_RANGE: - port_start = ntohs (mp->start_port); - port_end = ntohs (mp->end_port); - if (port_end <= port_start) - { - rv = VNET_API_ERROR_INVALID_VALUE; - goto send_reply; - } - nat44_ei_set_alloc_range (port_start, port_end); - break; - default: - rv = VNET_API_ERROR_INVALID_VALUE; - break; - } - -send_reply: - REPLY_MACRO (VL_API_NAT_SET_ADDR_AND_PORT_ALLOC_ALG_REPLY); -} - -static void - vl_api_nat_get_addr_and_port_alloc_alg_t_handler - (vl_api_nat_get_addr_and_port_alloc_alg_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_get_addr_and_port_alloc_alg_reply_t *rmp; - int rv = 0; - - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_GET_ADDR_AND_PORT_ALLOC_ALG_REPLY, - ({ - rmp->alg = sm->addr_and_port_alloc_alg; - rmp->psid_offset = sm->psid_offset; - rmp->psid_length = sm->psid_length; - rmp->psid = htons (sm->psid); - rmp->start_port = htons (sm->start_port); - rmp->end_port = htons (sm->end_port); - })) - /* *INDENT-ON* */ -} - -static void -vl_api_nat_set_mss_clamping_t_handler (vl_api_nat_set_mss_clamping_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_set_mss_clamping_reply_t *rmp; - int rv = 0; - - if (mp->enable) - sm->mss_clamping = ntohs (mp->mss_value); - else - sm->mss_clamping = 0; - - REPLY_MACRO (VL_API_NAT_SET_MSS_CLAMPING_REPLY); -} - -static void -vl_api_nat_get_mss_clamping_t_handler (vl_api_nat_get_mss_clamping_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_get_mss_clamping_reply_t *rmp; - int rv = 0; - - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_GET_MSS_CLAMPING_REPLY, - ({ - rmp->enable = sm->mss_clamping ? 1 : 0; - rmp->mss_value = htons (sm->mss_clamping); - })) - /* *INDENT-ON* */ -} - -static void -vl_api_nat_ha_set_listener_t_handler (vl_api_nat_ha_set_listener_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_ha_set_listener_reply_t *rmp; - ip4_address_t addr; - int rv; - - memcpy (&addr, &mp->ip_address, sizeof (addr)); - rv = - nat_ha_set_listener (&addr, clib_net_to_host_u16 (mp->port), - clib_net_to_host_u32 (mp->path_mtu)); - - REPLY_MACRO (VL_API_NAT_HA_SET_LISTENER_REPLY); -} - -static void -vl_api_nat_ha_get_listener_t_handler (vl_api_nat_ha_get_listener_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_ha_get_listener_reply_t *rmp; - int rv = 0; - ip4_address_t addr; - u16 port; - u32 path_mtu; - - nat_ha_get_listener (&addr, &port, &path_mtu); - - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_HA_GET_LISTENER_REPLY, - ({ - clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t)); - rmp->port = clib_host_to_net_u16 (port); - rmp->path_mtu = clib_host_to_net_u32 (path_mtu); - })) - /* *INDENT-ON* */ -} - -static void -vl_api_nat_ha_set_failover_t_handler (vl_api_nat_ha_set_failover_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_ha_set_failover_reply_t *rmp; - ip4_address_t addr; - int rv; - - memcpy (&addr, &mp->ip_address, sizeof (addr)); - rv = - nat_ha_set_failover (&addr, clib_net_to_host_u16 (mp->port), - clib_net_to_host_u32 (mp->session_refresh_interval)); - - REPLY_MACRO (VL_API_NAT_HA_SET_FAILOVER_REPLY); -} - -static void -vl_api_nat_ha_get_failover_t_handler (vl_api_nat_ha_get_failover_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_ha_get_failover_reply_t *rmp; - int rv = 0; - ip4_address_t addr; - u16 port; - u32 session_refresh_interval; - - nat_ha_get_failover (&addr, &port, &session_refresh_interval); - - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_NAT_HA_GET_FAILOVER_REPLY, - ({ - clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t)); - rmp->port = clib_host_to_net_u16 (port); - rmp->session_refresh_interval = clib_host_to_net_u32 (session_refresh_interval); - })) - /* *INDENT-ON* */ -} - -static void -vl_api_nat_ha_flush_t_handler (vl_api_nat_ha_flush_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_ha_flush_reply_t *rmp; - int rv = 0; - - nat_ha_flush (0); - - REPLY_MACRO (VL_API_NAT_HA_FLUSH_REPLY); -} - -static void -nat_ha_resync_completed_event_cb (u32 client_index, u32 pid, u32 missed_count) -{ - snat_main_t *sm = &snat_main; - vl_api_registration_t *reg; - vl_api_nat_ha_resync_completed_event_t *mp; - - reg = vl_api_client_index_to_registration (client_index); - if (!reg) - return; - - mp = vl_msg_api_alloc (sizeof (*mp)); - clib_memset (mp, 0, sizeof (*mp)); - mp->client_index = client_index; - mp->pid = pid; - mp->missed_count = clib_host_to_net_u32 (missed_count); - mp->_vl_msg_id = - ntohs (VL_API_NAT_HA_RESYNC_COMPLETED_EVENT + sm->msg_id_base); - - vl_api_send_msg (reg, (u8 *) mp); -} - -static void -vl_api_nat_ha_resync_t_handler (vl_api_nat_ha_resync_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat_ha_resync_reply_t *rmp; - int rv; - - rv = - nat_ha_resync (mp->client_index, mp->pid, - mp->want_resync_event ? nat_ha_resync_completed_event_cb : - NULL); - - REPLY_MACRO (VL_API_NAT_HA_RESYNC_REPLY); -} - -static void -vl_api_nat44_del_user_t_handler (vl_api_nat44_del_user_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat44_del_user_reply_t *rmp; - ip4_address_t addr; - int rv; - memcpy (&addr.as_u8, mp->ip_address, 4); - rv = nat44_ei_user_del (&addr, ntohl (mp->fib_index)); - REPLY_MACRO (VL_API_NAT44_DEL_USER_REPLY); -} - -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; - u8 is_add, twice_nat; - 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; - } - - is_add = mp->is_add; - twice_nat = mp->flags & NAT_API_IS_TWICE_NAT; - - 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 (is_add) - rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat); - else - rv = snat_del_address (sm, this_addr, 0, twice_nat); - - if (rv) - goto send_reply; - - if (sm->out2in_dpo) - nat44_add_del_address_dpo (this_addr, is_add); - - increment_v4_address (&this_addr); - } - -send_reply: - REPLY_MACRO (VL_API_NAT44_ADD_DEL_ADDRESS_RANGE_REPLY); -} - -static void -send_nat44_address_details (snat_address_t * a, - vl_api_registration_t * reg, u32 context, - u8 twice_nat) -{ - vl_api_nat44_address_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - clib_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) - { - 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; - if (twice_nat) - rmp->flags |= NAT_API_IS_TWICE_NAT; - rmp->context = context; - - vl_api_send_msg (reg, (u8 *) rmp); -} - -static void -vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp) -{ - vl_api_registration_t *reg; - snat_main_t *sm = &snat_main; - snat_address_t *a; - - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - /* *INDENT-OFF* */ - 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_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; - u32 sw_if_index = ntohl (mp->sw_if_index); - u8 is_del; - int rv = 0; - - is_del = !mp->is_add; - - VALIDATE_SW_IF_INDEX (mp); - - rv = - snat_interface_add_del (sw_if_index, mp->flags & NAT_API_IS_INSIDE, - is_del); - - BAD_SW_IF_INDEX_LABEL; - - REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY); -} - -static void -send_nat44_interface_details (snat_interface_t * i, - vl_api_registration_t * reg, u32 context) -{ - vl_api_nat44_interface_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - clib_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); - - if (nat_interface_is_inside (i)) - rmp->flags |= NAT_API_IS_INSIDE; - if (nat_interface_is_outside (i)) - rmp->flags |= NAT_API_IS_OUTSIDE; - - rmp->context = context; - - vl_api_send_msg (reg, (u8 *) rmp); -} - -static void -vl_api_nat44_interface_dump_t_handler (vl_api_nat44_interface_dump_t * mp) -{ - vl_api_registration_t *reg; - snat_main_t *sm = &snat_main; - snat_interface_t *i; - - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - /* *INDENT-OFF* */ - pool_foreach (i, sm->interfaces) - { - send_nat44_interface_details(i, reg, mp->context); - } - /* *INDENT-ON* */ -} - -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; - 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->flags & NAT_API_IS_INSIDE, - !mp->is_add); - - BAD_SW_IF_INDEX_LABEL; - REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY); -} - -static void -send_nat44_interface_output_feature_details (snat_interface_t * i, - vl_api_registration_t * reg, - u32 context) -{ - vl_api_nat44_interface_output_feature_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - clib_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; - - if (nat_interface_is_inside (i)) - rmp->flags |= NAT_API_IS_INSIDE; - - 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_registration_t *reg; - snat_main_t *sm = &snat_main; - snat_interface_t *i; - - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - /* *INDENT-OFF* */ - pool_foreach (i, sm->output_feature_interfaces) - { - send_nat44_interface_output_feature_details(i, reg, mp->context); - } - /* *INDENT-ON* */ -} - -static void - vl_api_nat44_add_del_static_mapping_t_handler - (vl_api_nat44_add_del_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, pool_addr = { 0 }; - 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; - nat_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->flags & NAT_API_IS_ADDR_ONLY)) - { - local_port = mp->local_port; - external_port = 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_nat_proto (mp->protocol); - - if (mp->flags & NAT_API_IS_TWICE_NAT) - twice_nat = TWICE_NAT; - else if (mp->flags & NAT_API_IS_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->flags & NAT_API_IS_ADDR_ONLY, external_sw_if_index, proto, mp->is_add, - twice_nat, mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0, pool_addr, 0); - vec_free (tag); - - REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY); -} - -static void - vl_api_nat44_add_del_static_mapping_v2_t_handler - (vl_api_nat44_add_del_static_mapping_v2_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat44_add_del_static_mapping_v2_reply_t *rmp; - ip4_address_t local_addr, external_addr, pool_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; - nat_protocol_t proto; - u8 *tag = 0; - - memcpy (&pool_addr.as_u8, mp->pool_ip_address, 4); - memcpy (&local_addr.as_u8, mp->local_ip_address, 4); - memcpy (&external_addr.as_u8, mp->external_ip_address, 4); - - if (!(mp->flags & NAT_API_IS_ADDR_ONLY)) - { - local_port = mp->local_port; - external_port = 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_nat_proto (mp->protocol); - - if (mp->flags & NAT_API_IS_TWICE_NAT) - twice_nat = TWICE_NAT; - else if (mp->flags & NAT_API_IS_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->flags & NAT_API_IS_ADDR_ONLY, - external_sw_if_index, proto, - mp->is_add, twice_nat, - mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0, - pool_addr, mp->match_pool); - vec_free (tag); - - REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_V2_REPLY); -} - -static void -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; - u32 len = sizeof (*rmp); - - rmp = vl_msg_api_alloc (len); - clib_memset (rmp, 0, len); - rmp->_vl_msg_id = - ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base); - - 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->flags |= NAT_API_IS_TWICE_NAT; - else if (m->twice_nat == TWICE_NAT_SELF) - rmp->flags |= NAT_API_IS_SELF_TWICE_NAT; - - if (is_out2in_only_static_mapping (m)) - rmp->flags |= NAT_API_IS_OUT2IN_ONLY; - - if (is_addr_only_static_mapping (m)) - { - rmp->flags |= NAT_API_IS_ADDR_ONLY; - } - else - { - rmp->protocol = nat_proto_to_ip_proto (m->proto); - rmp->external_port = m->external_port; - rmp->local_port = m->local_port; - } - - if (m->tag) - strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); - - vl_api_send_msg (reg, (u8 *) rmp); -} - -static void -send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m, - vl_api_registration_t * reg, - u32 context) -{ - vl_api_nat44_static_mapping_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - clib_memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base); - 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; - - if (m->twice_nat) - rmp->flags |= NAT_API_IS_TWICE_NAT; - - if (m->addr_only) - { - rmp->flags |= NAT_API_IS_ADDR_ONLY; - } - else - { - rmp->protocol = nat_proto_to_ip_proto (m->proto); - rmp->external_port = m->e_port; - rmp->local_port = m->l_port; - } - if (m->tag) - strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); - - 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_registration_t *reg; - snat_main_t *sm = &snat_main; - snat_static_mapping_t *m; - snat_static_map_resolve_t *rp; - int j; - - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - /* *INDENT-OFF* */ - pool_foreach (m, sm->static_mappings) - { - if (!is_identity_static_mapping(m) && !is_lb_static_mapping (m)) - 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->identity_nat) - send_nat44_static_map_resolve_details (rp, reg, mp->context); - } -} - -static void - 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_nat44_add_del_identity_mapping_reply_t *rmp; - ip4_address_t addr, pool_addr = { 0 }; - u16 port = 0; - u32 vrf_id, sw_if_index; - int rv = 0; - nat_protocol_t proto = NAT_PROTOCOL_OTHER; - u8 *tag = 0; - - if (!(mp->flags & NAT_API_IS_ADDR_ONLY)) - { - port = mp->port; - proto = ip_proto_to_nat_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->flags & NAT_API_IS_ADDR_ONLY, sw_if_index, - proto, mp->is_add, 0, 0, tag, 1, pool_addr, 0); - vec_free (tag); - - REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY); -} - -static void -send_nat44_identity_mapping_details (snat_static_mapping_t * m, int index, - vl_api_registration_t * reg, u32 context) -{ - vl_api_nat44_identity_mapping_details_t *rmp; - snat_main_t *sm = &snat_main; - nat44_lb_addr_port_t *local = pool_elt_at_index (m->locals, index); - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - clib_memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base); - - if (is_addr_only_static_mapping (m)) - rmp->flags |= NAT_API_IS_ADDR_ONLY; - - clib_memcpy (rmp->ip_address, &(m->local_addr), 4); - rmp->port = m->local_port; - rmp->sw_if_index = ~0; - rmp->vrf_id = htonl (local->vrf_id); - rmp->protocol = nat_proto_to_ip_proto (m->proto); - rmp->context = context; - if (m->tag) - strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); - - vl_api_send_msg (reg, (u8 *) rmp); -} - -static void -send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m, - vl_api_registration_t * reg, - u32 context) -{ - vl_api_nat44_identity_mapping_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - clib_memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = - ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base); - - if (m->addr_only) - rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_ADDR_ONLY; - - rmp->port = m->l_port; - rmp->sw_if_index = htonl (m->sw_if_index); - rmp->vrf_id = htonl (m->vrf_id); - rmp->protocol = nat_proto_to_ip_proto (m->proto); - rmp->context = context; - if (m->tag) - strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag)); - - vl_api_send_msg (reg, (u8 *) rmp); -} - -static void - 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; - snat_static_mapping_t *m; - snat_static_map_resolve_t *rp; - int j; - - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - /* *INDENT-OFF* */ - pool_foreach (m, sm->static_mappings) - { - if (is_identity_static_mapping(m) && !is_lb_static_mapping (m)) - { - pool_foreach_index (j, m->locals) - { - send_nat44_identity_mapping_details (m, j, reg, mp->context); - } - } - } - /* *INDENT-ON* */ - - for (j = 0; j < vec_len (sm->to_resolve); j++) - { - rp = sm->to_resolve + j; - if (rp->identity_nat) - send_nat44_identity_map_resolve_details (rp, reg, mp->context); - } -} - -static void - 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_nat44_add_del_interface_addr_reply_t *rmp; - u32 sw_if_index = ntohl (mp->sw_if_index); - int rv = 0; - u8 is_del; - - if (sm->static_mapping_only) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } - - is_del = !mp->is_add; - - VALIDATE_SW_IF_INDEX (mp); - - rv = snat_add_interface_address (sm, sw_if_index, is_del, - mp->flags & NAT_API_IS_TWICE_NAT); - - BAD_SW_IF_INDEX_LABEL; - -send_reply: - REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY); -} - -static void -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; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - clib_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); - - if (twice_nat) - rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_TWICE_NAT; - rmp->context = context; - - vl_api_send_msg (reg, (u8 *) rmp); -} - -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; - - 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 -send_nat44_user_details (snat_user_t * u, vl_api_registration_t * reg, - u32 context) -{ - 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)); - clib_memset (rmp, 0, sizeof (*rmp)); - 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_api_send_msg (reg, (u8 *) rmp); -} - -static void -nat_ed_user_create_helper (snat_main_per_thread_data_t * tsm, - snat_session_t * s) -{ - snat_user_key_t k; - k.addr = s->in2out.addr; - k.fib_index = s->in2out.fib_index; - clib_bihash_kv_8_8_t key, value; - key.key = k.as_u64; - snat_user_t *u; - if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value)) - { - pool_get (tsm->users, u); - u->addr = k.addr; - u->fib_index = k.fib_index; - u->nsessions = 0; - u->nstaticsessions = 0; - key.value = u - tsm->users; - clib_bihash_add_del_8_8 (&tsm->user_hash, &key, 1); - } - else - { - u = pool_elt_at_index (tsm->users, value.value); - } - if (snat_is_session_static (s)) - { - ++u->nstaticsessions; - } - else - { - ++u->nsessions; - } -} - -static void -nat_ed_users_create (snat_main_per_thread_data_t * tsm) -{ - snat_session_t *s; - /* *INDENT-OFF* */ - pool_foreach (s, tsm->sessions) { nat_ed_user_create_helper (tsm, s); } - /* *INDENT-ON* */ -} - -static void -nat_ed_users_destroy (snat_main_per_thread_data_t * tsm) -{ - snat_user_t *u; - /* *INDENT-OFF* */ - pool_flush (u, tsm->users, { }); - /* *INDENT-ON* */ - clib_bihash_free_8_8 (&tsm->user_hash); - clib_bihash_init_8_8 (&tsm->user_hash, "users", snat_main.user_buckets, 0); - clib_bihash_set_kvp_format_fn_8_8 (&tsm->user_hash, format_user_kvp); -} - -static void -vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp) -{ - vl_api_registration_t *reg; - snat_main_t *sm = &snat_main; - snat_main_per_thread_data_t *tsm; - snat_user_t *u; - - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - /* *INDENT-OFF* */ - vec_foreach (tsm, sm->per_thread_data) - { - if (sm->endpoint_dependent) - { - nat_ed_users_create (tsm); - } - pool_foreach (u, tsm->users) - { - send_nat44_user_details (u, reg, mp->context); - } - if (sm->endpoint_dependent) - { - nat_ed_users_destroy (tsm); - } - } - /* *INDENT-ON* */ -} - -static void -send_nat44_user_session_details (snat_session_t * s, - vl_api_registration_t * reg, u32 context) -{ - vl_api_nat44_user_session_details_t *rmp; - snat_main_t *sm = &snat_main; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - clib_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); - - if (snat_is_session_static (s)) - rmp->flags |= NAT_API_IS_STATIC; - - if (is_twice_nat_session (s)) - rmp->flags |= NAT_API_IS_TWICE_NAT; - - if (is_ed_session (s) || is_fwd_bypass_session (s)) - rmp->flags |= NAT_API_IS_EXT_HOST_VALID; - - 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)) - { - rmp->outside_port = 0; - rmp->inside_port = 0; - rmp->protocol = ntohs (s->in2out.port); - } - else - { - rmp->outside_port = s->out2in.port; - rmp->inside_port = s->in2out.port; - rmp->protocol = ntohs (nat_proto_to_ip_proto (s->nat_proto)); - } - if (is_ed_session (s) || is_fwd_bypass_session (s)) - { - 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; - } - } - - vl_api_send_msg (reg, (u8 *) rmp); -} - -static void -vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t * - mp) -{ - vl_api_registration_t *reg; - 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; - - 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, 0)); - else - tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); - if (!sm->endpoint_dependent) - { - 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; - } - } - else - { - /* *INDENT-OFF* */ - pool_foreach (s, tsm->sessions) { - if (s->in2out.addr.as_u32 == ukey.addr.as_u32) - { - send_nat44_user_session_details (s, reg, mp->context); - } - } - /* *INDENT-ON* */ - } -} - -static nat44_lb_addr_port_t * -unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs, - u32 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]; - clib_memset (&lb_addr_port, 0, sizeof (lb_addr_port)); - clib_memcpy (&lb_addr_port.addr, ap->addr, 4); - lb_addr_port.port = 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_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_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; - nat_protocol_t proto; - u8 *tag = 0; - - if (!sm->endpoint_dependent) - { - rv = VNET_API_ERROR_UNSUPPORTED; - goto send_reply; - } - - locals = - unformat_nat44_lb_addr_port (mp->locals, - clib_net_to_host_u32 (mp->local_num)); - clib_memcpy (&e_addr, mp->external_addr, 4); - proto = ip_proto_to_nat_proto (mp->protocol); - - if (mp->flags & NAT_API_IS_TWICE_NAT) - twice_nat = TWICE_NAT; - else if (mp->flags & NAT_API_IS_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 = - nat44_add_del_lb_static_mapping (e_addr, - mp->external_port, - proto, locals, mp->is_add, - twice_nat, - mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, - clib_net_to_host_u32 (mp->affinity)); - - vec_free (locals); - vec_free (tag); - -send_reply: - REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY); -} - -static void - vl_api_nat44_lb_static_mapping_add_del_local_t_handler - (vl_api_nat44_lb_static_mapping_add_del_local_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat44_lb_static_mapping_add_del_local_reply_t *rmp; - int rv = 0; - ip4_address_t e_addr, l_addr; - nat_protocol_t proto; - - if (!sm->endpoint_dependent) - { - rv = VNET_API_ERROR_UNSUPPORTED; - goto send_reply; - } - - clib_memcpy (&e_addr, mp->external_addr, 4); - clib_memcpy (&l_addr, mp->local.addr, 4); - proto = ip_proto_to_nat_proto (mp->protocol); - - rv = - nat44_lb_static_mapping_add_del_local (e_addr, - mp->external_port, - l_addr, - mp->local.port, - proto, - clib_net_to_host_u32 (mp-> - local.vrf_id), - mp->local.probability, mp->is_add); - -send_reply: - REPLY_MACRO (VL_API_NAT44_LB_STATIC_MAPPING_ADD_DEL_LOCAL_REPLY); -} - -static void -send_nat44_lb_static_mapping_details (snat_static_mapping_t * m, - vl_api_registration_t * reg, - u32 context) -{ - 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; - u32 local_num = 0; - - rmp = - vl_msg_api_alloc (sizeof (*rmp) + - (pool_elts (m->locals) * - sizeof (nat44_lb_addr_port_t))); - clib_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 = m->external_port; - rmp->protocol = nat_proto_to_ip_proto (m->proto); - rmp->context = context; - - if (m->twice_nat == TWICE_NAT) - rmp->flags |= NAT_API_IS_TWICE_NAT; - else if (m->twice_nat == TWICE_NAT_SELF) - rmp->flags |= NAT_API_IS_SELF_TWICE_NAT; - if (is_out2in_only_static_mapping (m)) - rmp->flags |= NAT_API_IS_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; - /* *INDENT-OFF* */ - pool_foreach (ap, m->locals) - { - clib_memcpy (locals->addr, &(ap->addr), 4); - locals->port = ap->port; - locals->probability = ap->probability; - locals->vrf_id = ntohl (ap->vrf_id); - locals++; - local_num++; - } - /* *INDENT-ON* */ - rmp->local_num = ntohl (local_num); - - 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_registration_t *reg; - snat_main_t *sm = &snat_main; - snat_static_mapping_t *m; - - 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 (is_lb_static_mapping(m)) - send_nat44_lb_static_mapping_details (m, reg, mp->context); - } - /* *INDENT-ON* */ -} - -static void -vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp) -{ - snat_main_t *sm = &snat_main; - vl_api_nat44_del_session_reply_t *rmp; - ip4_address_t addr, eh_addr; - u16 port, eh_port; - u32 vrf_id; - int rv = 0; - u8 is_in; - nat_protocol_t proto; - - memcpy (&addr.as_u8, mp->address, 4); - port = mp->port; - vrf_id = clib_net_to_host_u32 (mp->vrf_id); - proto = ip_proto_to_nat_proto (mp->protocol); - memcpy (&eh_addr.as_u8, mp->ext_host_address, 4); - eh_port = mp->ext_host_port; - - is_in = mp->flags & NAT_API_IS_INSIDE; - - if (mp->flags & NAT_API_IS_EXT_HOST_VALID) - rv = - nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol, - vrf_id, is_in); - else - rv = nat44_ei_del_session (sm, &addr, port, proto, vrf_id, is_in); - - REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY); -} - -static void - vl_api_nat44_forwarding_enable_disable_t_handler - (vl_api_nat44_forwarding_enable_disable_t * mp) -{ - snat_main_t *sm = &snat_main; - 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; - - sm->forwarding_enabled = mp->enable != 0; - - 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); - } - } - if(sm->endpoint_dependent){ - 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, 0); - nat_ed_session_delete (sm, s, tsm - sm->per_thread_data, 1); - } - }else{ - 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, 0); - nat44_delete_session (sm, s, tsm - sm->per_thread_data); - } - } - vec_free (ses_to_be_removed); - } - /* *INDENT-ON* */ - } - - REPLY_MACRO (VL_API_NAT44_FORWARDING_ENABLE_DISABLE_REPLY); -} - -static void - vl_api_nat44_forwarding_is_enabled_t_handler - (vl_api_nat44_forwarding_is_enabled_t * mp) -{ - vl_api_registration_t *reg; - snat_main_t *sm = &snat_main; - vl_api_nat44_forwarding_is_enabled_reply_t *rmp; - - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - clib_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); -} - -/* API definitions */ -#include <vnet/format_fns.h> -#include <nat/nat44.api.c> - -/* Set up the API message handling tables */ -clib_error_t * -nat44_api_hookup (vlib_main_t * vm) -{ - snat_main_t *sm = &snat_main; - sm->msg_id_base = setup_message_id_table (); - return 0; -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |