diff options
Diffstat (limited to 'src/vnet/ip/punt_api.c')
| -rw-r--r-- | src/vnet/ip/punt_api.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/vnet/ip/punt_api.c b/src/vnet/ip/punt_api.c new file mode 100644 index 00000000000..6e6dee2457e --- /dev/null +++ b/src/vnet/ip/punt_api.c @@ -0,0 +1,170 @@ +/* + *------------------------------------------------------------------ + * punt_api.c - Punt 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/ip/punt.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_punt_api_msg \ +_(PUNT, punt) \ +_(PUNT_SOCKET_REGISTER, punt_socket_register) \ +_(PUNT_SOCKET_DEREGISTER, punt_socket_deregister) + +static void +vl_api_punt_t_handler (vl_api_punt_t * mp) +{ + vl_api_punt_reply_t *rmp; + vlib_main_t *vm = vlib_get_main (); + int rv = 0; + clib_error_t *error; + + error = vnet_punt_add_del (vm, mp->ipv, mp->l4_protocol, + ntohs (mp->l4_port), mp->is_add); + if (error) + { + rv = -1; + clib_error_report (error); + } + + REPLY_MACRO (VL_API_PUNT_REPLY); +} + +static void +vl_api_punt_socket_register_t_handler (vl_api_punt_socket_register_t * mp) +{ + vl_api_punt_socket_register_reply_t *rmp; + vlib_main_t *vm = vlib_get_main (); + int rv = 0; + clib_error_t *error; + unix_shared_memory_queue_t *q; + + error = vnet_punt_socket_add (vm, ntohl (mp->header_version), + mp->is_ip4, mp->l4_protocol, + ntohs (mp->l4_port), (char *) mp->pathname); + if (error) + { + rv = -1; + clib_error_report (error); + } + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (!q) + return; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + rmp->_vl_msg_id = htons (VL_API_PUNT_SOCKET_REGISTER_REPLY); + rmp->context = mp->context; + rmp->retval = htonl (rv); + char *p = vnet_punt_get_server_pathname (); + /* Abstract pathnames start with \0 */ + memcpy ((char *) rmp->pathname, p, sizeof (rmp->pathname)); + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_punt_socket_deregister_t_handler (vl_api_punt_socket_deregister_t * mp) +{ + vl_api_punt_socket_deregister_reply_t *rmp; + vlib_main_t *vm = vlib_get_main (); + int rv = 0; + clib_error_t *error; + unix_shared_memory_queue_t *q; + + error = vnet_punt_socket_del (vm, mp->is_ip4, mp->l4_protocol, + ntohs (mp->l4_port)); + if (error) + { + rv = -1; + clib_error_report (error); + } + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (!q) + return; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + rmp->_vl_msg_id = htons (VL_API_PUNT_SOCKET_DEREGISTER_REPLY); + rmp->context = mp->context; + rmp->retval = htonl (rv); + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +#define vl_msg_name_crc_list +#include <vnet/ip/punt.api.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_punt; +#undef _ +} + +static clib_error_t * +punt_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_punt_api_msg; +#undef _ + + /* + * Set up the (msg_name, crc, message-id) table + */ + setup_message_id_table (am); + + return 0; +} + +VLIB_API_INIT_FUNCTION (punt_api_hookup); + + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |