diff options
Diffstat (limited to 'src/plugins/nat/nat66/nat66_api.c')
| -rw-r--r-- | src/plugins/nat/nat66/nat66_api.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/plugins/nat/nat66/nat66_api.c b/src/plugins/nat/nat66/nat66_api.c new file mode 100644 index 00000000000..2a2b3cc07ad --- /dev/null +++ b/src/plugins/nat/nat66/nat66_api.c @@ -0,0 +1,174 @@ +/* + * 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. + */ + +#include <vlibmemory/api.h> +#include <nat/nat66/nat66.h> +#include <nat/nat66/nat66.api_enum.h> +#include <nat/nat66/nat66.api_types.h> +#include <vnet/fib/fib_table.h> + +#define REPLY_MSG_ID_BASE nm->msg_id_base +#include <vlibapi/api_helper_macros.h> + +/*************/ +/*** NAT66 ***/ +/*************/ + +static void +vl_api_nat66_add_del_interface_t_handler (vl_api_nat66_add_del_interface_t * + mp) +{ + nat66_main_t *nm = &nat66_main; + vl_api_nat66_add_del_interface_reply_t *rmp; + int rv = 0; + + VALIDATE_SW_IF_INDEX (mp); + + rv = + nat66_interface_add_del (ntohl (mp->sw_if_index), + mp->flags & NAT_IS_INSIDE, mp->is_add); + + BAD_SW_IF_INDEX_LABEL; + + REPLY_MACRO (VL_API_NAT66_ADD_DEL_INTERFACE_REPLY); +} + +static void + vl_api_nat66_add_del_static_mapping_t_handler + (vl_api_nat66_add_del_static_mapping_t * mp) +{ + nat66_main_t *nm = &nat66_main; + vl_api_nat66_add_del_static_mapping_reply_t *rmp; + ip6_address_t l_addr, e_addr; + int rv = 0; + + memcpy (&l_addr.as_u8, mp->local_ip_address, 16); + memcpy (&e_addr.as_u8, mp->external_ip_address, 16); + + rv = + nat66_static_mapping_add_del (&l_addr, &e_addr, + clib_net_to_host_u32 (mp->vrf_id), + mp->is_add); + + REPLY_MACRO (VL_API_NAT66_ADD_DEL_STATIC_MAPPING_REPLY); +} + +typedef struct nat66_api_walk_ctx_t_ +{ + vl_api_registration_t *rp; + u32 context; +} nat66_api_walk_ctx_t; + +static int +nat66_api_interface_walk (nat66_interface_t * i, void *arg) +{ + vl_api_nat66_interface_details_t *rmp; + nat66_main_t *nm = &nat66_main; + nat66_api_walk_ctx_t *ctx = arg; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + clib_memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_NAT66_INTERFACE_DETAILS + nm->msg_id_base); + rmp->sw_if_index = ntohl (i->sw_if_index); + if (nat66_interface_is_inside (i)) + rmp->flags |= NAT_IS_INSIDE; + rmp->context = ctx->context; + + vl_api_send_msg (ctx->rp, (u8 *) rmp); + + return 0; +} + +static void +vl_api_nat66_interface_dump_t_handler (vl_api_nat66_interface_dump_t * mp) +{ + vl_api_registration_t *rp; + + rp = vl_api_client_index_to_registration (mp->client_index); + if (rp == 0) + return; + + nat66_api_walk_ctx_t ctx = { + .rp = rp, + .context = mp->context, + }; + + nat66_interfaces_walk (nat66_api_interface_walk, &ctx); +} + +static int +nat66_api_static_mapping_walk (nat66_static_mapping_t * m, void *arg) +{ + vl_api_nat66_static_mapping_details_t *rmp; + nat66_main_t *nm = &nat66_main; + nat66_api_walk_ctx_t *ctx = arg; + fib_table_t *fib; + vlib_counter_t vc; + + fib = fib_table_get (m->fib_index, FIB_PROTOCOL_IP6); + if (!fib) + return -1; + + vlib_get_combined_counter (&nm->session_counters, m - nm->sm, &vc); + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + clib_memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = + ntohs (VL_API_NAT66_STATIC_MAPPING_DETAILS + nm->msg_id_base); + clib_memcpy (rmp->local_ip_address, &m->l_addr, 16); + clib_memcpy (rmp->external_ip_address, &m->e_addr, 16); + rmp->vrf_id = ntohl (fib->ft_table_id); + rmp->total_bytes = clib_host_to_net_u64 (vc.bytes); + rmp->total_pkts = clib_host_to_net_u64 (vc.packets); + rmp->context = ctx->context; + + vl_api_send_msg (ctx->rp, (u8 *) rmp); + + return 0; +} + +static void +vl_api_nat66_static_mapping_dump_t_handler (vl_api_nat66_static_mapping_dump_t + * mp) +{ + vl_api_registration_t *rp; + + rp = vl_api_client_index_to_registration (mp->client_index); + if (rp == 0) + return; + + nat66_api_walk_ctx_t ctx = { + .rp = rp, + .context = mp->context, + }; + + nat66_static_mappings_walk (nat66_api_static_mapping_walk, &ctx); +} + +/* API definitions */ +#include <vnet/format_fns.h> +#include <nat/nat66/nat66.api.c> + +/* Set up the API message handling tables */ +clib_error_t * +nat66_plugin_api_hookup (vlib_main_t * vm) +{ + nat66_main_t *nm = &nat66_main; + + nm->msg_id_base = setup_message_id_table (); + + return 0; +} |