diff options
Diffstat (limited to 'src/plugins/snat/snat.c')
| -rw-r--r-- | src/plugins/snat/snat.c | 1260 |
1 files changed, 5 insertions, 1255 deletions
diff --git a/src/plugins/snat/snat.c b/src/plugins/snat/snat.c index c6783e47b6d..8aa9a834f9a 100644 --- a/src/plugins/snat/snat.c +++ b/src/plugins/snat/snat.c @@ -25,42 +25,10 @@ #include <vnet/fib/fib_table.h> #include <vnet/fib/ip4_fib.h> -#include <vlibapi/api.h> -#include <vlibmemory/api.h> -#include <vlibsocket/api.h> #include <vpp/app/version.h> snat_main_t snat_main; -/* define message IDs */ -#include <snat/snat_msg_enum.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; /* Hook up input features */ VNET_FEATURE_INIT (ip4_snat_in2out, static) = { @@ -203,7 +171,7 @@ static int is_snat_address_used_in_static_mapping (snat_main_t *sm, return 0; } -static void increment_v4_address (ip4_address_t * a) +void increment_v4_address (ip4_address_t * a) { u32 v; @@ -649,7 +617,7 @@ int snat_del_address (snat_main_t *sm, ip4_address_t addr, u8 delete_sm) return 0; } -static int snat_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del) +int snat_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del) { snat_main_t *sm = &snat_main; snat_interface_t *i; @@ -723,7 +691,7 @@ fib: return 0; } -static int snat_set_workers (uword * bitmap) +int snat_set_workers (uword * bitmap) { snat_main_t *sm = &snat_main; int i; @@ -743,1209 +711,6 @@ static int snat_set_workers (uword * bitmap) return 0; } -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; - - vec_foreach (a, sm->addresses) - send_snat_address_details (a, q, mp->context); -} - -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; - - pool_foreach (i, sm->interfaces, - ({ - send_snat_interface_details(i, q, mp->context); - })); -} - -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; - - pool_foreach (m, sm->static_mappings, - ({ - send_snat_static_mapping_details (m, q, 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); - } -} - -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; - - REPLY_MACRO2(VL_API_SNAT_CONTROL_PING_REPLY, - ({ - rmp->vpe_pid = ntohl (getpid()); - })); -} - -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; - - 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; - })); -} - -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)); - clib_bitmap_foreach (i, bitmap, - ({ - if (first) - s = format (s, "%d", i); - else - s = format (s, ",%d", i); - first = 0; - })); - 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; - - vec_foreach (worker_index, sm->workers) - { - send_snat_worker_details(*worker_index, q, mp->context); - } -} - -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 int snat_add_interface_address(snat_main_t *sm, - u32 sw_if_index, - int is_del); - -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; - - vec_foreach (i, sm->auto_add_sw_if_indices) - send_snat_interface_addr_details(*i, q, mp->context); -} - -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; - - vec_foreach (tsm, sm->per_thread_data) - vec_foreach (u, tsm->users) - send_snat_user_details (u, q, mp->context); -} - -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: - 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); - })) -} - -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: - 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); - })) -} - -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; - - vec_foreach(m, sm->det_maps) - sent_snat_det_map_details(m, q, mp->context); -} - -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; - - 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); - })) -} - -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 _ -} - static void snat_ip4_add_del_interface_address_cb (ip4_main_t * im, @@ -1962,7 +727,6 @@ static clib_error_t * snat_init (vlib_main_t * vm) clib_error_t * error = 0; ip4_main_t * im = &ip4_main; ip_lookup_main_t * lm = &im->lookup_main; - u8 * name; uword *p; vlib_thread_registration_t *tr; vlib_thread_main_t *tm = vlib_get_thread_main (); @@ -1970,12 +734,6 @@ static clib_error_t * snat_init (vlib_main_t * vm) u32 i; ip4_add_del_interface_address_callback_t cb4; - 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); - sm->vlib_main = vm; sm->vnet_main = vnet_get_main(); sm->ip4_main = im; @@ -2012,13 +770,7 @@ static clib_error_t * snat_init (vlib_main_t * vm) clib_bitmap_free (bitmap); } - error = snat_plugin_api_hookup (vm); - - /* Add our API messages to the global name_crc hash table */ - setup_message_id_table (sm, &api_main); - - plugin_custom_dump_configure (sm); - vec_free(name); + error = snat_api_init(vm, sm); /* Set up the interface address add/del callback */ cb4.function = snat_ip4_add_del_interface_address_cb; @@ -3283,9 +2035,7 @@ snat_ip4_add_del_interface_address_cb (ip4_main_t * im, } -static int snat_add_interface_address (snat_main_t *sm, - u32 sw_if_index, - int is_del) +int snat_add_interface_address (snat_main_t *sm, u32 sw_if_index, int is_del) { ip4_main_t * ip4_main = sm->ip4_main; ip4_address_t * first_int_addr; |