diff options
Diffstat (limited to 'src/plugins/snat/snat_api.c')
| -rw-r--r-- | src/plugins/snat/snat_api.c | 460 |
1 files changed, 452 insertions, 8 deletions
diff --git a/src/plugins/snat/snat_api.c b/src/plugins/snat/snat_api.c index 64532c8f279..2a7f115fc44 100644 --- a/src/plugins/snat/snat_api.c +++ b/src/plugins/snat/snat_api.c @@ -20,11 +20,12 @@ #include <snat/snat.h> #include <snat/snat_det.h> +#include <snat/nat64.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> +#include <vnet/fib/fib_table.h> /* define message structures */ #define vl_typedefs @@ -138,7 +139,10 @@ static void 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); + { + fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4); + rmp->vrf_id = ntohl (fib->ft_table_id); + } else rmp->vrf_id = ~0; rmp->context = context; @@ -669,14 +673,13 @@ static void { vl_api_snat_user_details_t *rmp; snat_main_t *sm = &snat_main; - ip4_fib_t *fib_table; + fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4); rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_SNAT_USER_DETAILS + sm->msg_id_base); - fib_table = ip4_fib_get (u->fib_index); - rmp->vrf_id = ntohl (fib_table->table_id); + rmp->vrf_id = ntohl (fib->ft_table_id); rmp->is_ip4 = 1; clib_memcpy (rmp->ip_address, &(u->addr), 4); @@ -763,7 +766,7 @@ static void return; clib_memcpy (&ukey.addr, mp->ip_address, 4); - ukey.fib_index = ip4_fib_index_from_table_id (ntohl (mp->vrf_id)); + ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, 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); @@ -805,6 +808,10 @@ static void *vl_api_snat_user_session_dump_t_print FINISH; } +/****************************/ +/*** detrministic NAT/CGN ***/ +/****************************/ + static void vl_api_snat_add_det_map_t_handler (vl_api_snat_add_det_map_t * mp) { @@ -1193,6 +1200,435 @@ static void *vl_api_snat_det_session_dump_t_print FINISH; } +/*************/ +/*** NAT64 ***/ +/*************/ + +static void + vl_api_nat64_add_del_pool_addr_range_t_handler + (vl_api_nat64_add_del_pool_addr_range_t * mp) +{ + vl_api_nat64_add_del_pool_addr_range_reply_t *rmp; + snat_main_t *sm = &snat_main; + int rv = 0; + ip4_address_t this_addr; + u32 start_host_order, end_host_order; + u32 vrf_id; + int i, count; + u32 *tmp; + + tmp = (u32 *) mp->start_addr; + start_host_order = clib_host_to_net_u32 (tmp[0]); + tmp = (u32 *) mp->end_addr; + end_host_order = clib_host_to_net_u32 (tmp[0]); + + count = (end_host_order - start_host_order) + 1; + + vrf_id = clib_host_to_net_u32 (mp->vrf_id); + + memcpy (&this_addr.as_u8, mp->start_addr, 4); + + for (i = 0; i < count; i++) + { + if ((rv = nat64_add_del_pool_addr (&this_addr, vrf_id, mp->is_add))) + goto send_reply; + + increment_v4_address (&this_addr); + } + +send_reply: + REPLY_MACRO (VL_API_NAT64_ADD_DEL_POOL_ADDR_RANGE_REPLY); +} + +static void *vl_api_nat64_add_del_pool_addr_range_t_print + (vl_api_nat64_add_del_pool_addr_range_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: nat64_add_del_pool_addr_range"); + s = format (s, "%U - %U vrf_id %u %s\n", + format_ip4_address, mp->start_addr, + format_ip4_address, mp->end_addr, + ntohl (mp->vrf_id), mp->is_add ? "" : "del"); + + FINISH; +} + +typedef struct nat64_api_walk_ctx_t_ +{ + unix_shared_memory_queue_t *q; + u32 context; +} nat64_api_walk_ctx_t; + +static int +nat64_api_pool_walk (snat_address_t * a, void *arg) +{ + vl_api_nat64_pool_addr_details_t *rmp; + snat_main_t *sm = &snat_main; + nat64_api_walk_ctx_t *ctx = arg; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_NAT64_POOL_ADDR_DETAILS + sm->msg_id_base); + clib_memcpy (rmp->address, &(a->addr), 4); + if (a->fib_index != ~0) + { + fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4); + if (!fib) + return -1; + rmp->vrf_id = ntohl (fib->ft_table_id); + } + else + rmp->vrf_id = ~0; + rmp->context = ctx->context; + + vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp); + + return 0; +} + +static void +vl_api_nat64_pool_addr_dump_t_handler (vl_api_nat64_pool_addr_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + nat64_api_walk_ctx_t ctx = { + .q = q, + .context = mp->context, + }; + + nat64_pool_addr_walk (nat64_api_pool_walk, &ctx); +} + +static void * +vl_api_nat64_pool_addr_dump_t_print (vl_api_nat64_pool_addr_dump_t * mp, + void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: nat64_pool_addr_dump\n"); + + FINISH; +} + +static void +vl_api_nat64_add_del_interface_t_handler (vl_api_nat64_add_del_interface_t * + mp) +{ + snat_main_t *sm = &snat_main; + vl_api_nat64_add_del_interface_reply_t *rmp; + int rv = 0; + + VALIDATE_SW_IF_INDEX (mp); + + rv = + nat64_add_del_interface (ntohl (mp->sw_if_index), mp->is_inside, + mp->is_add); + + BAD_SW_IF_INDEX_LABEL; + + REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_REPLY); +} + +static void * +vl_api_nat64_add_del_interface_t_print (vl_api_nat64_add_del_interface_t * mp, + void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: nat64_add_del_interface "); + s = format (s, "sw_if_index %d %s %s", + clib_host_to_net_u32 (mp->sw_if_index), + mp->is_inside ? "in" : "out", mp->is_add ? "" : "del"); + + FINISH; +} + +static int +nat64_api_interface_walk (snat_interface_t * i, void *arg) +{ + vl_api_nat64_interface_details_t *rmp; + snat_main_t *sm = &snat_main; + nat64_api_walk_ctx_t *ctx = arg; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_NAT64_INTERFACE_DETAILS + sm->msg_id_base); + rmp->sw_if_index = ntohl (i->sw_if_index); + rmp->is_inside = i->is_inside; + rmp->context = ctx->context; + + vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp); + + return 0; +} + +static void +vl_api_nat64_interface_dump_t_handler (vl_api_nat64_interface_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + nat64_api_walk_ctx_t ctx = { + .q = q, + .context = mp->context, + }; + + nat64_interfaces_walk (nat64_api_interface_walk, &ctx); +} + +static void * +vl_api_nat64_interface_dump_t_print (vl_api_nat64_interface_dump_t * mp, + void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_interface_dump "); + + FINISH; +} + +static void + vl_api_nat64_add_del_static_bib_t_handler + (vl_api_nat64_add_del_static_bib_t * mp) +{ + snat_main_t *sm = &snat_main; + vl_api_nat64_add_del_static_bib_reply_t *rmp; + ip6_address_t in_addr; + ip4_address_t out_addr; + int rv = 0; + + memcpy (&in_addr.as_u8, mp->i_addr, 16); + memcpy (&out_addr.as_u8, mp->o_addr, 4); + + rv = + nat64_add_del_static_bib_entry (&in_addr, &out_addr, + clib_net_to_host_u16 (mp->i_port), + clib_net_to_host_u16 (mp->o_port), + mp->proto, + clib_net_to_host_u32 (mp->vrf_id), + mp->is_add); + + REPLY_MACRO (VL_API_NAT64_ADD_DEL_STATIC_BIB_REPLY); +} + +static void *vl_api_nat64_add_del_static_bib_t_print + (vl_api_nat64_add_del_static_bib_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: nat64_add_del_static_bib "); + s = format (s, "protocol %d i_addr %U o_addr %U ", + mp->proto, + format_ip6_address, mp->i_addr, format_ip4_address, mp->o_addr); + + if (mp->vrf_id != ~0) + s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id)); + + FINISH; +} + +static int +nat64_api_bib_walk (nat64_db_bib_entry_t * bibe, void *arg) +{ + vl_api_nat64_bib_details_t *rmp; + snat_main_t *sm = &snat_main; + nat64_api_walk_ctx_t *ctx = arg; + fib_table_t *fib; + + fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6); + if (!fib) + return -1; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_NAT64_BIB_DETAILS + sm->msg_id_base); + rmp->context = ctx->context; + clib_memcpy (rmp->i_addr, &(bibe->in_addr), 16); + clib_memcpy (rmp->o_addr, &(bibe->out_addr), 4); + rmp->i_port = bibe->in_port; + rmp->o_port = bibe->out_port; + rmp->vrf_id = ntohl (fib->ft_table_id); + rmp->proto = snat_proto_to_ip_proto (bibe->proto); + rmp->is_static = bibe->is_static; + rmp->ses_num = ntohl (bibe->ses_num); + + vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp); + + return 0; +} + +static void +vl_api_nat64_bib_dump_t_handler (vl_api_nat64_bib_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + nat64_main_t *nm = &nat64_main; + snat_protocol_t proto; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + nat64_api_walk_ctx_t ctx = { + .q = q, + .context = mp->context, + }; + + proto = ip_proto_to_snat_proto (mp->proto); + + nat64_db_bib_walk (&nm->db, proto, nat64_api_bib_walk, &ctx); +} + +static void * +vl_api_nat64_bib_dump_t_print (vl_api_nat64_bib_dump_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_bib_dump protocol %d", mp->proto); + + FINISH; +} + +static void +vl_api_nat64_set_timeouts_t_handler (vl_api_nat64_set_timeouts_t * mp) +{ + snat_main_t *sm = &snat_main; + vl_api_nat64_set_timeouts_reply_t *rmp; + int rv = 0; + + rv = nat64_set_icmp_timeout (ntohl (mp->icmp)); + if (rv) + goto send_reply; + rv = nat64_set_udp_timeout (ntohl (mp->udp)); + if (rv) + goto send_reply; + rv = + nat64_set_tcp_timeouts (ntohl (mp->tcp_trans), ntohl (mp->tcp_est), + ntohl (mp->tcp_incoming_syn)); + +send_reply: + REPLY_MACRO (VL_API_NAT64_SET_TIMEOUTS_REPLY); +} + +static void *vl_api_nat64_set_timeouts_t_print + (vl_api_nat64_set_timeouts_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: nat64_set_timeouts "); + s = + format (s, + "udp %d icmp %d, tcp_trans %d, tcp_est %d, tcp_incoming_syn %d\n", + ntohl (mp->udp), ntohl (mp->icmp), ntohl (mp->tcp_trans), + ntohl (mp->tcp_est), ntohl (mp->tcp_incoming_syn)); + + FINISH; +} + +static void +vl_api_nat64_get_timeouts_t_handler (vl_api_nat64_get_timeouts_t * mp) +{ + snat_main_t *sm = &snat_main; + vl_api_nat64_get_timeouts_reply_t *rmp; + int rv = 0; + + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_NAT64_GET_TIMEOUTS_REPLY, + ({ + rmp->udp = htonl (nat64_get_udp_timeout()); + rmp->icmp = htonl (nat64_get_icmp_timeout()); + rmp->tcp_trans = htonl (nat64_get_tcp_trans_timeout()); + rmp->tcp_est = htonl (nat64_get_tcp_est_timeout()); + rmp->tcp_incoming_syn = htonl (nat64_get_tcp_incoming_syn_timeout()); + })) + /* *INDENT-ON* */ +} + +static void *vl_api_nat64_get_timeouts_t_print + (vl_api_nat64_get_timeouts_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: nat64_get_timeouts"); + + FINISH; +} + +static int +nat64_api_st_walk (nat64_db_st_entry_t * ste, void *arg) +{ + vl_api_nat64_st_details_t *rmp; + snat_main_t *sm = &snat_main; + nat64_api_walk_ctx_t *ctx = arg; + nat64_main_t *nm = &nat64_main; + nat64_db_bib_entry_t *bibe; + fib_table_t *fib; + + bibe = nat64_db_bib_entry_by_index (&nm->db, ste->proto, ste->bibe_index); + if (!bibe) + return -1; + + fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6); + if (!fib) + return -1; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_NAT64_ST_DETAILS + sm->msg_id_base); + rmp->context = ctx->context; + clib_memcpy (rmp->il_addr, &(bibe->in_addr), 16); + clib_memcpy (rmp->ol_addr, &(bibe->out_addr), 4); + rmp->il_port = bibe->in_port; + rmp->ol_port = bibe->out_port; + clib_memcpy (rmp->ir_addr, &(ste->in_r_addr), 16); + clib_memcpy (rmp->or_addr, &(ste->out_r_addr), 4); + rmp->il_port = ste->r_port; + rmp->vrf_id = ntohl (fib->ft_table_id); + rmp->proto = snat_proto_to_ip_proto (ste->proto); + + vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp); + + return 0; +} + +static void +vl_api_nat64_st_dump_t_handler (vl_api_nat64_st_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + nat64_main_t *nm = &nat64_main; + snat_protocol_t proto; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + nat64_api_walk_ctx_t ctx = { + .q = q, + .context = mp->context, + }; + + proto = ip_proto_to_snat_proto (mp->proto); + + nat64_db_st_walk (&nm->db, proto, nat64_api_st_walk, &ctx); +} + +static void * +vl_api_nat64_st_dump_t_print (vl_api_nat64_st_dump_t * mp, void *handle) +{ + u8 *s; + + s = format (0, "SCRIPT: snat_st_dump protocol %d", mp->proto); + + FINISH; +} + /* List of message types that this plugin understands */ #define foreach_snat_plugin_api_msg \ _(SNAT_ADD_ADDRESS_RANGE, snat_add_address_range) \ @@ -1218,8 +1654,16 @@ _(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) - +_(SNAT_DET_SESSION_DUMP, snat_det_session_dump) \ +_(NAT64_ADD_DEL_POOL_ADDR_RANGE, nat64_add_del_pool_addr_range) \ +_(NAT64_POOL_ADDR_DUMP, nat64_pool_addr_dump) \ +_(NAT64_ADD_DEL_INTERFACE, nat64_add_del_interface) \ +_(NAT64_INTERFACE_DUMP, nat64_interface_dump) \ +_(NAT64_ADD_DEL_STATIC_BIB, nat64_add_del_static_bib) \ +_(NAT64_BIB_DUMP, nat64_bib_dump) \ +_(NAT64_SET_TIMEOUTS, nat64_set_timeouts) \ +_(NAT64_GET_TIMEOUTS, nat64_get_timeouts) \ +_(NAT64_ST_DUMP, nat64_st_dump) /* Set up the API message handling tables */ static clib_error_t * |