2 *------------------------------------------------------------------
3 * af_packet_api.c - af-packet api
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
23 #include <vnet/interface.h>
24 #include <vnet/api_errno.h>
25 #include <vnet/devices/af_packet/af_packet.h>
27 #include <vnet/vnet_msg_enum.h>
29 #define vl_typedefs /* define message structures */
30 #include <vnet/vnet_all_api_h.h>
33 #define vl_endianfun /* define message structures */
34 #include <vnet/vnet_all_api_h.h>
37 /* instantiate all the print functions we know about */
38 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
40 #include <vnet/vnet_all_api_h.h>
43 #include <vlibapi/api_helper_macros.h>
45 #define foreach_vpe_api_msg \
46 _(AF_PACKET_CREATE, af_packet_create) \
47 _(AF_PACKET_DELETE, af_packet_delete) \
48 _(AF_PACKET_SET_L4_CKSUM_OFFLOAD, af_packet_set_l4_cksum_offload)
51 vl_api_af_packet_create_t_handler (vl_api_af_packet_create_t * mp)
53 vlib_main_t *vm = vlib_get_main ();
54 vl_api_af_packet_create_reply_t *rmp;
56 u8 *host_if_name = NULL;
59 host_if_name = format (0, "%s", mp->host_if_name);
60 vec_add1 (host_if_name, 0);
62 rv = af_packet_create_if (vm, host_if_name,
63 mp->use_random_hw_addr ? 0 : mp->hw_addr,
66 vec_free (host_if_name);
69 REPLY_MACRO2(VL_API_AF_PACKET_CREATE_REPLY,
71 rmp->sw_if_index = clib_host_to_net_u32(sw_if_index);
77 vl_api_af_packet_delete_t_handler (vl_api_af_packet_delete_t * mp)
79 vlib_main_t *vm = vlib_get_main ();
80 vl_api_af_packet_delete_reply_t *rmp;
82 u8 *host_if_name = NULL;
84 host_if_name = format (0, "%s", mp->host_if_name);
85 vec_add1 (host_if_name, 0);
87 rv = af_packet_delete_if (vm, host_if_name);
89 vec_free (host_if_name);
91 REPLY_MACRO (VL_API_AF_PACKET_DELETE_REPLY);
95 vl_api_af_packet_set_l4_cksum_offload_t_handler
96 (vl_api_af_packet_set_l4_cksum_offload_t * mp)
98 vlib_main_t *vm = vlib_get_main ();
99 vl_api_af_packet_delete_reply_t *rmp;
102 rv = af_packet_set_l4_cksum_offload (vm, mp->sw_if_index, mp->set);
103 REPLY_MACRO (VL_API_AF_PACKET_SET_L4_CKSUM_OFFLOAD_REPLY);
107 * af_packet_api_hookup
108 * Add vpe's API message handlers to the table.
109 * vlib has alread mapped shared memory and
110 * added the client registration handlers.
111 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
113 #define vl_msg_name_crc_list
114 #include <vnet/vnet_all_api_h.h>
115 #undef vl_msg_name_crc_list
118 setup_message_id_table (api_main_t * am)
120 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
121 foreach_vl_msg_name_crc_af_packet;
125 static clib_error_t *
126 af_packet_api_hookup (vlib_main_t * vm)
128 api_main_t *am = &api_main;
131 vl_msg_api_set_handlers(VL_API_##N, #n, \
132 vl_api_##n##_t_handler, \
134 vl_api_##n##_t_endian, \
135 vl_api_##n##_t_print, \
136 sizeof(vl_api_##n##_t), 1);
141 * Set up the (msg_name, crc, message-id) table
143 setup_message_id_table (am);
148 VLIB_API_INIT_FUNCTION (af_packet_api_hookup);
151 * fd.io coding-style-patch-verification: ON
154 * eval: (c-set-style "gnu")