diff options
Diffstat (limited to 'src/plugins/l2e/l2e_api.c')
| -rw-r--r-- | src/plugins/l2e/l2e_api.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/plugins/l2e/l2e_api.c b/src/plugins/l2e/l2e_api.c new file mode 100644 index 00000000000..470427e8952 --- /dev/null +++ b/src/plugins/l2e/l2e_api.c @@ -0,0 +1,162 @@ +/* + *------------------------------------------------------------------ + * l2e_api.c - layer 2 emulation 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 <vnet/plugin/plugin.h> + +#include <vnet/interface.h> +#include <vnet/api_errno.h> +#include <vpp/app/version.h> + +#include <l2e/l2e.h> + +#include <vlibapi/api.h> +#include <vlibmemory/api.h> + +/* define message IDs */ +#include <l2e/l2e_msg_enum.h> + +#define vl_typedefs /* define message structures */ +#include <l2e/l2e_all_api_h.h> +#undef vl_typedefs + +#define vl_endianfun /* define message structures */ +#include <l2e/l2e_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 <l2e/l2e_all_api_h.h> +#undef vl_printfun + +/* Get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <acl/acl_all_api_h.h> +#undef vl_api_version + +#include <vlibapi/api_helper_macros.h> + +#define foreach_l2e_api_msg \ +_(L2_EMULATION, l2_emulation) + +/** + * L2 Emulation Main + */ +typedef struct l2_emulation_main_t_ +{ + u16 msg_id_base; +} l2_emulation_main_t; + +static l2_emulation_main_t l2_emulation_main; + +#define L2E_MSG_BASE l2_emulation_main.msg_id_base + +static void +vl_api_l2_emulation_t_handler (vl_api_l2_emulation_t * mp) +{ + vl_api_l2_emulation_reply_t *rmp; + int rv = 0; + + VALIDATE_SW_IF_INDEX (mp); + + u32 sw_if_index = ntohl (mp->sw_if_index); + + if (mp->enable) + l2_emulation_enable (sw_if_index); + else + l2_emulation_disable (sw_if_index); + + BAD_SW_IF_INDEX_LABEL; + + REPLY_MACRO (VL_API_L2_EMULATION_REPLY + L2E_MSG_BASE); +} + +/* + * l2_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 <l2e/l2e_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 + L2E_MSG_BASE); + foreach_vl_msg_name_crc_l2e; +#undef _ +} + +static void +l2e_api_hookup (vlib_main_t * vm) +{ +#define _(N,n) \ + vl_msg_api_set_handlers(VL_API_##N + L2E_MSG_BASE, \ + #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_l2e_api_msg; +#undef _ +} + +static clib_error_t * +l2e_init (vlib_main_t * vm) +{ + api_main_t *am = &api_main; + l2_emulation_main_t *l2em = &l2_emulation_main; + u8 *name = format (0, "l2e_%08x%c", api_version, 0); + + /* Ask for a correctly-sized block of API message decode slots */ + l2em->msg_id_base = vl_msg_api_get_msg_ids ((char *) name, + VL_MSG_FIRST_AVAILABLE); + + l2e_api_hookup (vm); + + /* Add our API messages to the global name_crc hash table */ + setup_message_id_table (am); + + vec_free (name); + return (NULL); +} + +VLIB_API_INIT_FUNCTION (l2e_init); + +/* *INDENT-OFF* */ +VLIB_PLUGIN_REGISTER () = { + .version = VPP_BUILD_VER, + .description = "L2 Emulation", +}; +/* *INDENT-ON* */ + + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |