diff options
Diffstat (limited to 'src/plugins/nat/dslite/dslite_api.c')
| -rw-r--r-- | src/plugins/nat/dslite/dslite_api.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/plugins/nat/dslite/dslite_api.c b/src/plugins/nat/dslite/dslite_api.c new file mode 100644 index 00000000000..420e8212ad9 --- /dev/null +++ b/src/plugins/nat/dslite/dslite_api.c @@ -0,0 +1,177 @@ +/* + *------------------------------------------------------------------ + * dslite_api.c - DS-Lite API + * + * Copyright (c) 2019 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 <vnet/ip/ip_types_api.h> +#include <nat/dslite/dslite.h> +#include <nat/dslite/dslite.api_enum.h> +#include <nat/dslite/dslite.api_types.h> +#include <vnet/ip/ip.h> +#include <vnet/fib/fib_table.h> +#include <vlibmemory/api.h> + +#define REPLY_MSG_ID_BASE dm->msg_id_base +#include <vlibapi/api_helper_macros.h> + +static void +vl_api_dslite_set_aftr_addr_t_handler (vl_api_dslite_set_aftr_addr_t * mp) +{ + vl_api_dslite_set_aftr_addr_reply_t *rmp; + dslite_main_t *dm = &dslite_main; + int rv = 0; + ip6_address_t ip6_addr; + ip4_address_t ip4_addr; + + memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16); + memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4); + + rv = dslite_set_aftr_ip6_addr (dm, &ip6_addr); + if (rv == 0) + rv = dslite_set_aftr_ip4_addr (dm, &ip4_addr); + + REPLY_MACRO (VL_API_DSLITE_SET_AFTR_ADDR_REPLY); +} + +static void +vl_api_dslite_get_aftr_addr_t_handler (vl_api_dslite_get_aftr_addr_t * mp) +{ + vl_api_dslite_get_aftr_addr_reply_t *rmp; + dslite_main_t *dm = &dslite_main; + int rv = 0; + + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_DSLITE_GET_AFTR_ADDR_REPLY, + ({ + memcpy (rmp->ip4_addr, &dm->aftr_ip4_addr.as_u8, 4); + memcpy (rmp->ip6_addr, &dm->aftr_ip6_addr.as_u8, 16); + })) + /* *INDENT-ON* */ +} + +static void +vl_api_dslite_set_b4_addr_t_handler (vl_api_dslite_set_b4_addr_t * mp) +{ + vl_api_dslite_set_b4_addr_reply_t *rmp; + dslite_main_t *dm = &dslite_main; + int rv = 0; + ip6_address_t ip6_addr; + ip4_address_t ip4_addr; + + memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16); + memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4); + + rv = dslite_set_b4_ip6_addr (dm, &ip6_addr); + if (rv == 0) + rv = dslite_set_b4_ip4_addr (dm, &ip4_addr); + + REPLY_MACRO (VL_API_DSLITE_SET_B4_ADDR_REPLY); +} + +static void +vl_api_dslite_get_b4_addr_t_handler (vl_api_dslite_get_b4_addr_t * mp) +{ + vl_api_dslite_get_b4_addr_reply_t *rmp; + dslite_main_t *dm = &dslite_main; + int rv = 0; + + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_DSLITE_GET_B4_ADDR_REPLY, + ({ + memcpy (rmp->ip4_addr, &dm->b4_ip4_addr.as_u8, 4); + memcpy (rmp->ip6_addr, &dm->b4_ip6_addr.as_u8, 16); + })) + /* *INDENT-ON* */ +} + +static void + vl_api_dslite_add_del_pool_addr_range_t_handler + (vl_api_dslite_add_del_pool_addr_range_t * mp) +{ + vl_api_dslite_add_del_pool_addr_range_reply_t *rmp; + dslite_main_t *dm = &dslite_main; + int rv = 0; + ip4_address_t this_addr; + u32 start_host_order, end_host_order; + int 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]); + + // TODO: + // end_host_order < start_host_order + + count = (end_host_order - start_host_order) + 1; + memcpy (&this_addr.as_u8, mp->start_addr, 4); + + rv = nat_add_del_ip4_pool_addrs (&dm->pool, this_addr, count, mp->is_add, 0); + + REPLY_MACRO (VL_API_DSLITE_ADD_DEL_POOL_ADDR_RANGE_REPLY); +} + +static void +send_dslite_address_details (nat_ip4_pool_addr_t * a, + vl_api_registration_t * reg, u32 context) +{ + dslite_main_t *dm = &dslite_main; + vl_api_dslite_address_details_t *rmp; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + + clib_memset (rmp, 0, sizeof (*rmp)); + + rmp->_vl_msg_id = ntohs (VL_API_DSLITE_ADDRESS_DETAILS + dm->msg_id_base); + clib_memcpy (rmp->ip_address, &(a->addr), 4); + rmp->context = context; + + vl_api_send_msg (reg, (u8 *) rmp); +} + +static void +vl_api_dslite_address_dump_t_handler (vl_api_dslite_address_dump_t * mp) +{ + vl_api_registration_t *reg; + dslite_main_t *dm = &dslite_main; + nat_ip4_pool_addr_t *a; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + /* *INDENT-OFF* */ + vec_foreach (a, dm->pool.pool_addr) + { + send_dslite_address_details (a, reg, mp->context); + } + /* *INDENT-ON* */ +} + +/* API definitions */ +#include <vnet/format_fns.h> +#include <nat/dslite/dslite.api.c> + +/* Set up the API message handling tables */ +clib_error_t * +dslite_api_hookup (vlib_main_t * vm) +{ + dslite_main_t *dm = &dslite_main; + + dm->msg_id_base = setup_message_id_table (); + return 0; +} |