diff options
Diffstat (limited to 'src/vnet/l2/l2_api.c')
| -rw-r--r-- | src/vnet/l2/l2_api.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/vnet/l2/l2_api.c b/src/vnet/l2/l2_api.c new file mode 100644 index 00000000..ca4f593f --- /dev/null +++ b/src/vnet/l2/l2_api.c @@ -0,0 +1,140 @@ +/* + *------------------------------------------------------------------ + * l2_api.c - layer 2 forwarding 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/l2/l2_input.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 \ +_(L2_XCONNECT_DUMP, l2_xconnect_dump) + +static void +send_l2_xconnect_details (unix_shared_memory_queue_t * q, u32 context, + u32 rx_sw_if_index, u32 tx_sw_if_index) +{ + vl_api_l2_xconnect_details_t *mp; + + mp = vl_msg_api_alloc (sizeof (*mp)); + memset (mp, 0, sizeof (*mp)); + mp->_vl_msg_id = ntohs (VL_API_L2_XCONNECT_DETAILS); + mp->context = context; + mp->rx_sw_if_index = htonl (rx_sw_if_index); + mp->tx_sw_if_index = htonl (tx_sw_if_index); + + vl_msg_api_send_shmem (q, (u8 *) & mp); +} + +static void +vl_api_l2_xconnect_dump_t_handler (vl_api_l2_xconnect_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + vnet_main_t *vnm = vnet_get_main (); + vnet_interface_main_t *im = &vnm->interface_main; + l2input_main_t *l2im = &l2input_main; + vnet_sw_interface_t *swif; + l2_input_config_t *config; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + /* *INDENT-OFF* */ + pool_foreach (swif, im->sw_interfaces, + ({ + config = vec_elt_at_index (l2im->configs, swif->sw_if_index); + if (config->xconnect) + send_l2_xconnect_details (q, mp->context, swif->sw_if_index, + config->output_sw_if_index); + })); + /* *INDENT-ON* */ +} + + +/* + * 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/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_l2; +#undef _ +} + +static clib_error_t * +l2_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 (l2_api_hookup); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |