/* *------------------------------------------------------------------ * pg_api.c - vnet pg 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/pg/pg.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_pg_api_msg \ _(PG_CREATE_INTERFACE, pg_create_interface) \ _(PG_CAPTURE, pg_capture) \ _(PG_ENABLE_DISABLE, pg_enable_disable) static void vl_api_pg_create_interface_t_handler (vl_api_pg_create_interface_t * mp) { vl_api_pg_create_interface_reply_t *rmp; int rv = 0; pg_main_t *pg = &pg_main; u32 pg_if_id = pg_interface_add_or_get (pg, ntohl (mp->interface_id), mp->gso_enabled, ntohl (mp->gso_size)); pg_interface_t *pi = pool_elt_at_index (pg->interfaces, pg_if_id); /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_PG_CREATE_INTERFACE_REPLY, ({ rmp->sw_if_index = ntohl(pi->sw_if_index); })); /* *INDENT-ON* */ } static void vl_api_pg_capture_t_handler (vl_api_pg_capture_t * mp) { vl_api_pg_capture_reply_t *rmp; int rv = 0; vnet_main_t *vnm = vnet_get_main (); vnet_interface_main_t *im = &vnm->interface_main; vnet_hw_interface_t *hi = 0; u8 *intf_name = format (0, "pg%d", ntohl (mp->interface_id), 0); vec_terminate_c_string (intf_name); u32 hw_if_index = ~0; uword *p = hash_get_mem (im->hw_interface_by_name, intf_name); if (p) hw_if_index = *p; vec_free (intf_name); if (hw_if_index != ~0) { pg_capture_args_t _a, *a = &_a; char *pcap_file_name = vl_api_from_api_to_new_c_string (&mp->pcap_file_name); hi = vnet_get_sup_hw_interface (vnm, hw_if_index); a->hw_if_index = hw_if_index; a->dev_instance = hi->dev_instance; a->is_enabled = mp->is_enabled; a->pcap_file_name = pcap_file_name; a->count = ntohl (mp->count); clib_error_t *e = pg_capture (a); if (e) { clib_error_report (e); rv = VNET_API_ERROR_CANNOT_CREATE_PCAP_FILE; } vec_free (pcap_file_name); } REPLY_MACRO (VL_API_PG_CAPTURE_REPLY); } static void vl_api_pg_enable_disable_t_handler (vl_api_pg_enable_disable_t * mp) { vl_api_pg_enable_disable_reply_t *rmp; int rv = 0; pg_main_t *pg = &pg_main; u32 stream_index = ~0; int is_enable = mp->is_enabled != 0; if (vl_api_string_len (&mp->stream_name) > 0) { u8 *stream_name = vl_api_from_api_to_new_vec (&mp->stream_name); uword *p = hash_get_mem (pg->stream_index_by_name, stream_name); if (p) stream_index = *p; vec_free (stream_name); } pg_enable_disable (stream_index, is_enable); REPLY_MACRO (VL_API_PG_ENABLE_DISABLE_REPLY); } #define vl_msg_name_crc_list #include <vnet/pg/pg.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_pg; #undef _ } static clib_error_t * pg_api_hookup (vlib_main_t * vm) { api_main_t *am = vlibapi_get_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_pg_api_msg; #undef _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (pg_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */