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/format_fns.h>
28 #include <vnet/devices/af_packet/af_packet.api_enum.h>
29 #include <vnet/devices/af_packet/af_packet.api_types.h>
31 #define REPLY_MSG_ID_BASE msg_id_base
32 #include <vlibapi/api_helper_macros.h>
34 static u16 msg_id_base;
37 vl_api_af_packet_create_t_handler (vl_api_af_packet_create_t * mp)
39 af_packet_create_if_arg_t _arg, *arg = &_arg;
40 vl_api_af_packet_create_reply_t *rmp;
43 clib_memset (arg, 0, sizeof (*arg));
45 arg->host_if_name = format (0, "%s", mp->host_if_name);
46 vec_add1 (arg->host_if_name, 0);
48 arg->hw_addr = mp->use_random_hw_addr ? 0 : mp->hw_addr;
49 arg->mode = AF_PACKET_IF_MODE_ETHERNET;
50 rv = af_packet_create_if (arg);
52 vec_free (arg->host_if_name);
54 REPLY_MACRO2 (VL_API_AF_PACKET_CREATE_REPLY, ({
55 rmp->sw_if_index = clib_host_to_net_u32 (arg->sw_if_index);
60 vl_api_af_packet_create_v2_t_handler (vl_api_af_packet_create_v2_t *mp)
62 af_packet_create_if_arg_t _arg, *arg = &_arg;
63 vl_api_af_packet_create_v2_reply_t *rmp;
66 clib_memset (arg, 0, sizeof (*arg));
68 arg->host_if_name = format (0, "%s", mp->host_if_name);
69 vec_add1 (arg->host_if_name, 0);
71 arg->rx_frame_size = clib_net_to_host_u32 (mp->rx_frame_size);
72 arg->tx_frame_size = clib_net_to_host_u32 (mp->tx_frame_size);
73 arg->rx_frames_per_block = clib_net_to_host_u32 (mp->rx_frames_per_block);
74 arg->tx_frames_per_block = clib_net_to_host_u32 (mp->tx_frames_per_block);
75 arg->hw_addr = mp->use_random_hw_addr ? 0 : mp->hw_addr;
76 arg->mode = AF_PACKET_IF_MODE_ETHERNET;
78 if (mp->num_rx_queues > 1)
80 rv = VNET_API_ERROR_INVALID_VALUE;
84 rv = af_packet_create_if (arg);
87 vec_free (arg->host_if_name);
88 REPLY_MACRO2 (VL_API_AF_PACKET_CREATE_V2_REPLY, ({
89 rmp->sw_if_index = clib_host_to_net_u32 (arg->sw_if_index);
94 vl_api_af_packet_delete_t_handler (vl_api_af_packet_delete_t * mp)
96 vl_api_af_packet_delete_reply_t *rmp;
98 u8 *host_if_name = NULL;
100 host_if_name = format (0, "%s", mp->host_if_name);
101 vec_add1 (host_if_name, 0);
103 rv = af_packet_delete_if (host_if_name);
105 vec_free (host_if_name);
107 REPLY_MACRO (VL_API_AF_PACKET_DELETE_REPLY);
111 vl_api_af_packet_set_l4_cksum_offload_t_handler
112 (vl_api_af_packet_set_l4_cksum_offload_t * mp)
114 vl_api_af_packet_delete_reply_t *rmp;
117 rv = af_packet_set_l4_cksum_offload (ntohl (mp->sw_if_index), mp->set);
118 REPLY_MACRO (VL_API_AF_PACKET_SET_L4_CKSUM_OFFLOAD_REPLY);
122 af_packet_send_details (vpe_api_main_t * am,
123 vl_api_registration_t * reg,
124 af_packet_if_detail_t * af_packet_if, u32 context)
126 vl_api_af_packet_details_t *mp;
127 mp = vl_msg_api_alloc (sizeof (*mp));
128 clib_memset (mp, 0, sizeof (*mp));
129 mp->_vl_msg_id = htons (REPLY_MSG_ID_BASE + VL_API_AF_PACKET_DETAILS);
130 mp->sw_if_index = htonl (af_packet_if->sw_if_index);
131 clib_memcpy (mp->host_if_name, af_packet_if->host_if_name,
132 MIN (ARRAY_LEN (mp->host_if_name) - 1,
133 strlen ((const char *) af_packet_if->host_if_name)));
135 mp->context = context;
136 vl_api_send_msg (reg, (u8 *) mp);
141 vl_api_af_packet_dump_t_handler (vl_api_af_packet_dump_t * mp)
144 vpe_api_main_t *am = &vpe_api_main;
145 vl_api_registration_t *reg;
146 af_packet_if_detail_t *out_af_packet_ifs = NULL;
147 af_packet_if_detail_t *af_packet_if = NULL;
149 reg = vl_api_client_index_to_registration (mp->client_index);
153 rv = af_packet_dump_ifs (&out_af_packet_ifs);
157 vec_foreach (af_packet_if, out_af_packet_ifs)
159 af_packet_send_details (am, reg, af_packet_if, mp->context);
162 vec_free (out_af_packet_ifs);
165 #include <vnet/devices/af_packet/af_packet.api.c>
166 static clib_error_t *
167 af_packet_api_hookup (vlib_main_t * vm)
170 * Set up the (msg_name, crc, message-id) table
172 REPLY_MSG_ID_BASE = setup_message_id_table ();
177 VLIB_API_INIT_FUNCTION (af_packet_api_hookup);
180 * fd.io coding-style-patch-verification: ON
183 * eval: (c-set-style "gnu")