diff options
Diffstat (limited to 'src/plugins/snat/snat_api.c')
| -rw-r--r-- | src/plugins/snat/snat_api.c | 1296 |
1 files changed, 1296 insertions, 0 deletions
diff --git a/src/plugins/snat/snat_api.c b/src/plugins/snat/snat_api.c new file mode 100644 index 00000000000..64532c8f279 --- /dev/null +++ b/src/plugins/snat/snat_api.c @@ -0,0 +1,1296 @@ +/* + * Copyright (c) 2017 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 SNAT plugin API implementation + */ + +#include <snat/snat.h> +#include <snat/snat_det.h> +#include <vlibapi/api.h> +#include <vlibmemory/api.h> +#include <vlibsocket/api.h> +#include <snat/snat_msg_enum.h> +#include <vnet/fib/ip4_fib.h> + +/* define message structures */ +#define vl_typedefs +#include <snat/snat_all_api_h.h> +#undef vl_typedefs + +/* define generated endian-swappers */ +#define vl_endianfun +#include <snat/snat_all_api_h.h> +#undef vl_endianfun + +#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) + +#define REPLY_MSG_ID_BASE sm->msg_id_base +#include <vlibapi/api_helper_macros.h> + +/* Get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <snat/snat_all_api_h.h> +#undef vl_api_version + +/* Macro to finish up custom dump fns */ +#define FINISH \ + vec_add1 (s, 0); \ + vl_print (handle, (char *)s); \ + vec_free (s); \ + return handle; + +static void + vl_api_snat_add_address_range_t_handler + (vl_api_snat_add_address_range_t * mp) +{ + 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); +} + +static void *vl_api_snat_add_address_range_t_print + (vl_api_snat_add_address_range_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) + rmp->vrf_id = ntohl (ip4_fib_get (a->fib_index)->table_id); + else + rmp->vrf_id = ~0; + rmp->context = context; + + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_snat_address_dump_t_handler (vl_api_snat_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_snat_address_details (a, q, mp->context); + /* *INDENT-ON* */ +} + +static void *vl_api_snat_address_dump_t_print + (vl_api_snat_address_dump_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_address_dump "); + + FINISH; +} + +static void + vl_api_snat_interface_add_del_feature_t_handler + (vl_api_snat_interface_add_del_feature_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); + 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_SNAT_INTERFACE_ADD_DEL_FEATURE_REPLY); +} + +static void *vl_api_snat_interface_add_del_feature_t_print + (vl_api_snat_interface_add_del_feature_t * mp, void *handle) +{ + u8 *s; + + 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"); + + FINISH; +} + +static void + send_snat_interface_details + (snat_interface_t * i, unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_snat_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_DETAILS + sm->msg_id_base); + rmp->sw_if_index = ntohl (i->sw_if_index); + rmp->is_inside = i->is_inside; + rmp->context = context; + + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_snat_interface_dump_t_handler (vl_api_snat_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_snat_interface_details(i, q, mp->context); + })); + /* *INDENT-ON* */ +} + +static void *vl_api_snat_interface_dump_t_print + (vl_api_snat_interface_dump_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_interface_dump "); + + FINISH; +} static void + vl_api_snat_add_static_mapping_t_handler + (vl_api_snat_add_static_mapping_t * mp) +{ + 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; + + if (mp->is_ip4 != 1) + { + rv = VNET_API_ERROR_UNIMPLEMENTED; + goto send_reply; + } + + 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; + + 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; +} + +static void + send_snat_static_mapping_details + (snat_static_mapping_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_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_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_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void + vl_api_snat_static_mapping_dump_t_handler + (vl_api_snat_static_mapping_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; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + /* *INDENT-OFF* */ + pool_foreach (m, sm->static_mappings, + ({ + send_snat_static_mapping_details (m, q, mp->context); + })); + /* *INDENT-ON* */ + + 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); + } +} + +static void *vl_api_snat_static_mapping_dump_t_print + (vl_api_snat_static_mapping_dump_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_static_mapping_dump "); + + FINISH; +} + +static void +vl_api_snat_control_ping_t_handler (vl_api_snat_control_ping_t * mp) +{ + vl_api_snat_control_ping_reply_t *rmp; + snat_main_t *sm = &snat_main; + int rv = 0; + + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_SNAT_CONTROL_PING_REPLY, + ({ + rmp->vpe_pid = ntohl (getpid ()); + })); + /* *INDENT-ON* */ +} + +static void *vl_api_snat_control_ping_t_print + (vl_api_snat_control_ping_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_control_ping "); + + FINISH; +} + +static void +vl_api_snat_show_config_t_handler (vl_api_snat_show_config_t * mp) +{ + vl_api_snat_show_config_reply_t *rmp; + snat_main_t *sm = &snat_main; + int rv = 0; + + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_SNAT_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_snat_show_config_t_print + (vl_api_snat_show_config_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_show_config "); + + FINISH; +} + +static void +vl_api_snat_set_workers_t_handler (vl_api_snat_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_SNAT_SET_WORKERS_REPLY); +} + +static void *vl_api_snat_set_workers_t_print + (vl_api_snat_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_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_worker_details + (u32 worker_index, unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_snat_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_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); +} + +static void +vl_api_snat_worker_dump_t_handler (vl_api_snat_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_snat_worker_details(*worker_index, q, mp->context); + /* *INDENT-ON* */ +} + +static void *vl_api_snat_worker_dump_t_print + (vl_api_snat_worker_dump_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_worker_dump "); + + FINISH; +} + +static void + vl_api_snat_add_del_interface_addr_t_handler + (vl_api_snat_add_del_interface_addr_t * mp) +{ + snat_main_t *sm = &snat_main; + vl_api_snat_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; + + 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_SNAT_ADD_DEL_INTERFACE_ADDR_REPLY); +} + +static void *vl_api_snat_add_del_interface_addr_t_print + (vl_api_snat_add_del_interface_addr_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_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_snat_interface_addr_details + (u32 sw_if_index, unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_snat_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_SNAT_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_snat_interface_addr_dump_t_handler + (vl_api_snat_interface_addr_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + snat_main_t *sm = &snat_main; + u32 *i; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + /* *INDENT-OFF* */ + vec_foreach (i, sm->auto_add_sw_if_indices) + send_snat_interface_addr_details(*i, q, mp->context); + /* *INDENT-ON* */ +} + +static void *vl_api_snat_interface_addr_dump_t_print + (vl_api_snat_interface_addr_dump_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_interface_addr_dump "); + + FINISH; +} + +static void + vl_api_snat_ipfix_enable_disable_t_handler + (vl_api_snat_ipfix_enable_disable_t * mp) +{ + snat_main_t *sm = &snat_main; + vl_api_snat_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_SNAT_IPFIX_ENABLE_DISABLE_REPLY); +} + +static void *vl_api_snat_ipfix_enable_disable_t_print + (vl_api_snat_ipfix_enable_disable_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 "); + + FINISH; +} + +static void + send_snat_user_details + (snat_user_t * u, unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_snat_user_details_t *rmp; + snat_main_t *sm = &snat_main; + ip4_fib_t *fib_table; + + 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); + + fib_table = ip4_fib_get (u->fib_index); + rmp->vrf_id = ntohl (fib_table->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->context = context; + + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_snat_user_dump_t_handler (vl_api_snat_user_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + snat_main_t *sm = &snat_main; + 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; + + /* *INDENT-OFF* */ + vec_foreach (tsm, sm->per_thread_data) + vec_foreach (u, tsm->users) + send_snat_user_details (u, q, mp->context); + /* *INDENT-ON* */ +} + +static void *vl_api_snat_user_dump_t_print + (vl_api_snat_user_dump_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_user_dump "); + + FINISH; +} + +static void + send_snat_user_session_details + (snat_session_t * s, unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_snat_user_session_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_USER_SESSION_DETAILS + sm->msg_id_base); + rmp->is_ip4 = 1; + clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4); + rmp->outside_port = s->out2in.port; + clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4); + rmp->inside_port = s->in2out.port; + rmp->protocol = ntohs (snat_proto_to_ip_proto (s->in2out.protocol)); + 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; + + 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; + + 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); + ukey.fib_index = ip4_fib_index_from_table_id (ntohl (mp->vrf_id)); + key.key = ukey.as_u64; + if (!clib_bihash_search_8_8 (&sm->worker_by_in, &key, &value)) + tsm = vec_elt_at_index (sm->per_thread_data, value.value); + else + tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); + if (clib_bihash_search_8_8 (&sm->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_snat_user_session_details (s, q, mp->context); + + elt_index = elt->next; + elt = pool_elt_at_index (tsm->list_pool, elt_index); + session_index = elt->value; + } +} + +static void *vl_api_snat_user_session_dump_t_print + (vl_api_snat_user_session_dump_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)); + + FINISH; +} + +static void +vl_api_snat_add_det_map_t_handler (vl_api_snat_add_det_map_t * mp) +{ + 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); + + REPLY_MACRO (VL_API_SNAT_ADD_DET_MAP_REPLY); +} + +static void *vl_api_snat_add_det_map_t_print + (vl_api_snat_add_det_map_t * mp, void *handle) +{ + u8 *s; + + 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); + + FINISH; +} + +static void +vl_api_snat_det_forward_t_handler (vl_api_snat_det_forward_t * mp) +{ + 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; + + 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; + } + + snat_det_forward (dm, &in_addr, &out_addr, &lo_port); + hi_port = lo_port + dm->ports_per_host - 1; + +send_reply: + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_SNAT_DET_FORWARD_REPLY, + ({ + 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); + })) + /* *INDENT-ON* */ +} + +static void *vl_api_snat_det_forward_t_print + (vl_api_snat_det_forward_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); + + FINISH; +} + +static void +vl_api_snat_det_reverse_t_handler (vl_api_snat_det_reverse_t * mp) +{ + snat_main_t *sm = &snat_main; + vl_api_snat_det_reverse_reply_t *rmp; + int rv = 0; + ip4_address_t out_addr, in_addr; + snat_det_map_t *dm; + + 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; + } + + snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr); + +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* */ +} + +static void *vl_api_snat_det_reverse_t_print + (vl_api_snat_det_reverse_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)); + + FINISH; +} + +static void + sent_snat_det_map_details + (snat_det_map_t * m, unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_snat_det_map_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->context = context; + + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_snat_det_map_dump_t_handler (vl_api_snat_det_map_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + 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 "); + + FINISH; +} + +static void +vl_api_snat_det_set_timeouts_t_handler (vl_api_snat_det_set_timeouts_t * mp) +{ + 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)); + + FINISH; +} + +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; + + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_SNAT_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* */ +} + +static void *vl_api_snat_det_get_timeouts_t_print + (vl_api_snat_det_get_timeouts_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_det_get_timeouts"); + + FINISH; +} + +static void + vl_api_snat_det_close_session_out_t_handler + (vl_api_snat_det_close_session_out_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; + 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) + { + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto send_reply; + } + snat_det_ses_close (dm, ses); + +send_reply: + REPLY_MACRO (VL_API_SNAT_DET_CLOSE_SESSION_OUT_REPLY); +} + +static void *vl_api_snat_det_close_session_out_t_print + (vl_api_snat_det_close_session_out_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)); + + FINISH; +} + +static void + vl_api_snat_det_close_session_in_t_handler + (vl_api_snat_det_close_session_in_t * mp) +{ + 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); + + 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); + +send_reply: + REPLY_MACRO (VL_API_SNAT_DET_CLOSE_SESSION_OUT_REPLY); +} + +static void *vl_api_snat_det_close_session_in_t_print + (vl_api_snat_det_close_session_in_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)); + + FINISH; +} + +static void + send_snat_det_session_details + (snat_det_session_t * s, unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_snat_det_session_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_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->context = context; + + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_snat_det_session_dump_t_handler (vl_api_snat_det_session_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; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + if (!mp->is_ip4) + 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++) + { + if (s->out.as_u64) + send_snat_det_session_details (s, q, mp->context); + s++; + } +} + +static void *vl_api_snat_det_session_dump_t_print + (vl_api_snat_det_session_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); + + 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_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) + + +/* Set up the API message handling tables */ +static clib_error_t * +snat_plugin_api_hookup (vlib_main_t * vm) +{ + snat_main_t *sm __attribute__ ((unused)) = &snat_main; +#define _(N,n) \ + vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \ + #n, \ + vl_api_##n##_t_handler, \ + vl_noop_handler, \ + vl_api_##n##_t_endian, \ + vl_api_##n##_t_print, \ + sizeof(vl_api_##n##_t), 1); + foreach_snat_plugin_api_msg; +#undef _ + + return 0; +} + +#define vl_msg_name_crc_list +#include <snat/snat_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (snat_main_t * sm, api_main_t * am) +{ +#define _(id,n,crc) \ + vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base); + foreach_vl_msg_name_crc_snat; +#undef _ +} + +static void +plugin_custom_dump_configure (snat_main_t * sm) +{ +#define _(n,f) sm->api_main->msg_print_handlers \ + [VL_API_##n + sm->msg_id_base] \ + = (void *) vl_api_##f##_t_print; + foreach_snat_plugin_api_msg; +#undef _ +} + +clib_error_t * +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); + + /* Ask for a correctly-sized block of API message decode slots */ + sm->msg_id_base = + vl_msg_api_get_msg_ids ((char *) name, VL_MSG_FIRST_AVAILABLE); + + error = snat_plugin_api_hookup (vm); + + /* Add our API messages to the global name_crc hash table */ + setup_message_id_table (sm, sm->api_main); + + plugin_custom_dump_configure (sm); + + vec_free (name); + + return error; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |