diff options
Diffstat (limited to 'src/vnet/ipsec-gre/ipsec_gre_api.c')
| -rw-r--r-- | src/vnet/ipsec-gre/ipsec_gre_api.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/vnet/ipsec-gre/ipsec_gre_api.c b/src/vnet/ipsec-gre/ipsec_gre_api.c new file mode 100644 index 00000000000..a7ea1490bae --- /dev/null +++ b/src/vnet/ipsec-gre/ipsec_gre_api.c @@ -0,0 +1,190 @@ +/* + *------------------------------------------------------------------ + * ipsec_gre_api.c - ipsec_gre api + * + * Copyright (c) 2016 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/vnet.h> +#include <vlibmemory/api.h> + +#include <vnet/interface.h> +#include <vnet/api_errno.h> +#include <vnet/ipsec-gre/ipsec_gre.h> + +#include <vnet/vnet_msg_enum.h> + +#define vl_typedefs /* define message structures */ +#include <vnet/vnet_all_api_h.h> +#undef vl_typedefs + +#define vl_endianfun /* define message structures */ +#include <vnet/vnet_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) +#define vl_printfun +#include <vnet/vnet_all_api_h.h> +#undef vl_printfun + +#include <vlibapi/api_helper_macros.h> + +#define foreach_vpe_api_msg \ +_(IPSEC_GRE_ADD_DEL_TUNNEL, ipsec_gre_add_del_tunnel) \ +_(IPSEC_GRE_TUNNEL_DUMP, ipsec_gre_tunnel_dump) + +static void +vl_api_ipsec_gre_add_del_tunnel_t_handler (vl_api_ipsec_gre_add_del_tunnel_t * + mp) +{ + vl_api_ipsec_gre_add_del_tunnel_reply_t *rmp; + int rv = 0; + vnet_ipsec_gre_add_del_tunnel_args_t _a, *a = &_a; + u32 sw_if_index = ~0; + + /* Check src & dst are different */ + if (memcmp (mp->src_address, mp->dst_address, 4) == 0) + { + rv = VNET_API_ERROR_SAME_SRC_DST; + goto out; + } + + memset (a, 0, sizeof (*a)); + + /* ip addresses sent in network byte order */ + clib_memcpy (&(a->src), mp->src_address, 4); + clib_memcpy (&(a->dst), mp->dst_address, 4); + a->is_add = mp->is_add; + a->lsa = ntohl (mp->local_sa_id); + a->rsa = ntohl (mp->remote_sa_id); + + rv = vnet_ipsec_gre_add_del_tunnel (a, &sw_if_index); + +out: + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_GRE_ADD_DEL_TUNNEL_REPLY, + ({ + rmp->sw_if_index = ntohl (sw_if_index); + })); + /* *INDENT-ON* */ +} + +static void send_ipsec_gre_tunnel_details + (ipsec_gre_tunnel_t * t, unix_shared_memory_queue_t * q, u32 context) +{ + vl_api_ipsec_gre_tunnel_details_t *rmp; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_IPSEC_GRE_TUNNEL_DETAILS); + clib_memcpy (rmp->src_address, &(t->tunnel_src), 4); + clib_memcpy (rmp->dst_address, &(t->tunnel_dst), 4); + rmp->sw_if_index = htonl (t->sw_if_index); + rmp->local_sa_id = htonl (t->local_sa_id); + rmp->remote_sa_id = htonl (t->remote_sa_id); + rmp->context = context; + + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void vl_api_ipsec_gre_tunnel_dump_t_handler + (vl_api_ipsec_gre_tunnel_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + ipsec_gre_main_t *igm = &ipsec_gre_main; + ipsec_gre_tunnel_t *t; + u32 sw_if_index; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + { + return; + } + + sw_if_index = ntohl (mp->sw_if_index); + + if (~0 == sw_if_index) + { + /* *INDENT-OFF* */ + pool_foreach (t, igm->tunnels, + ({ + send_ipsec_gre_tunnel_details(t, q, mp->context); + })); + /* *INDENT-ON* */ + } + else + { + if ((sw_if_index >= vec_len (igm->tunnel_index_by_sw_if_index)) || + (~0 == igm->tunnel_index_by_sw_if_index[sw_if_index])) + { + return; + } + t = &igm->tunnels[igm->tunnel_index_by_sw_if_index[sw_if_index]]; + send_ipsec_gre_tunnel_details (t, q, mp->context); + } +} + +/* + * ipsec_gre_api_hookup + * Add vpe's API message handlers to the table. + * vlib has alread mapped shared memory and + * added the client registration handlers. + * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() + */ +#define vl_msg_name_crc_list +#include <vnet/vnet_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (api_main_t * am) +{ +#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); + foreach_vl_msg_name_crc_ipsec_gre; +#undef _ +} + +static clib_error_t * +ipsec_gre_api_hookup (vlib_main_t * vm) +{ + api_main_t *am = &api_main; + +#define _(N,n) \ + vl_msg_api_set_handlers(VL_API_##N, #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_vpe_api_msg; +#undef _ + + /* + * Set up the (msg_name, crc, message-id) table + */ + setup_message_id_table (am); + + return 0; +} + +VLIB_API_INIT_FUNCTION (ipsec_gre_api_hookup); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |