diff options
Diffstat (limited to 'src/vnet/devices/pipe/pipe_api.c')
| -rw-r--r-- | src/vnet/devices/pipe/pipe_api.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/vnet/devices/pipe/pipe_api.c b/src/vnet/devices/pipe/pipe_api.c new file mode 100644 index 00000000000..46bbea5f275 --- /dev/null +++ b/src/vnet/devices/pipe/pipe_api.c @@ -0,0 +1,177 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2018 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/devices/pipe/pipe.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> +vpe_api_main_t vpe_api_main; + +#define foreach_vpe_api_msg \ + _(PIPE_CREATE, pipe_create) \ + _(PIPE_DELETE, pipe_delete) \ + _(PIPE_DUMP, pipe_dump) + +static void +vl_api_pipe_create_t_handler (vl_api_pipe_create_t * mp) +{ + vl_api_pipe_create_reply_t *rmp; + u32 parent_sw_if_index; + u32 pipe_sw_if_index[2]; + int rv; + u8 is_specified = mp->is_specified; + u32 user_instance = ntohl (mp->user_instance); + + rv = vnet_create_pipe_interface (is_specified, user_instance, + &parent_sw_if_index, pipe_sw_if_index); + + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_PIPE_CREATE_REPLY, + ({ + rmp->parent_sw_if_index = ntohl (parent_sw_if_index); + rmp->pipe_sw_if_index[0] = ntohl (pipe_sw_if_index[0]); + rmp->pipe_sw_if_index[1] = ntohl (pipe_sw_if_index[1]); + })); + /* *INDENT-ON* */ +} + +static void +vl_api_pipe_delete_t_handler (vl_api_pipe_delete_t * mp) +{ + vl_api_pipe_delete_reply_t *rmp; + int rv; + + rv = vnet_delete_pipe_interface (ntohl (mp->parent_sw_if_index)); + + REPLY_MACRO (VL_API_PIPE_DELETE_REPLY); +} + +typedef struct pipe_dump_walk_t_ +{ + vl_api_registration_t *reg; + u32 context; +} pipe_dump_walk_t; + +static walk_rc_t +pipe_send_details (u32 parent_sw_if_index, + u32 pipe_sw_if_index[2], u32 instance, void *args) +{ + pipe_dump_walk_t *ctx = args; + vl_api_pipe_details_t *mp; + + mp = vl_msg_api_alloc (sizeof (*mp)); + if (!mp) + return (WALK_STOP); + + mp->_vl_msg_id = ntohs (VL_API_PIPE_DETAILS); + mp->context = ctx->context; + + mp->instance = ntohl (instance); + mp->parent_sw_if_index = ntohl (parent_sw_if_index); + mp->pipe_sw_if_index[0] = ntohl (pipe_sw_if_index[0]); + mp->pipe_sw_if_index[1] = ntohl (pipe_sw_if_index[1]); + + vl_api_send_msg (ctx->reg, (u8 *) mp); + + return (WALK_CONTINUE); +} + +static void +vl_api_pipe_dump_t_handler (vl_api_pipe_dump_t * mp) +{ + vl_api_registration_t *reg; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + pipe_dump_walk_t ctx = { + .reg = reg, + .context = mp->context, + }; + + pipe_walk (pipe_send_details, &ctx); +} + +/* + * vpe_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/devices/pipe/pipe.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_pipe; +#undef _ +} + +static clib_error_t * +pipe_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 (pipe_api_hookup); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |