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 // Default number of rx/tx queue(s)
74 arg->rx_frame_size = clib_net_to_host_u32 (mp->rx_frame_size);
75 arg->tx_frame_size = clib_net_to_host_u32 (mp->tx_frame_size);
76 arg->rx_frames_per_block = clib_net_to_host_u32 (mp->rx_frames_per_block);
77 arg->tx_frames_per_block = clib_net_to_host_u32 (mp->tx_frames_per_block);
78 arg->hw_addr = mp->use_random_hw_addr ? 0 : mp->hw_addr;
79 arg->mode = AF_PACKET_IF_MODE_ETHERNET;
81 if (mp->num_rx_queues > 1)
82 arg->num_rxqs = clib_net_to_host_u16 (mp->num_rx_queues);
84 rv = af_packet_create_if (arg);
86 vec_free (arg->host_if_name);
87 REPLY_MACRO2 (VL_API_AF_PACKET_CREATE_V2_REPLY, ({
88 rmp->sw_if_index = clib_host_to_net_u32 (arg->sw_if_index);
93 vl_api_af_packet_delete_t_handler (vl_api_af_packet_delete_t * mp)
95 vl_api_af_packet_delete_reply_t *rmp;
97 u8 *host_if_name = NULL;
99 host_if_name = format (0, "%s", mp->host_if_name);
100 vec_add1 (host_if_name, 0);
102 rv = af_packet_delete_if (host_if_name);
104 vec_free (host_if_name);
106 REPLY_MACRO (VL_API_AF_PACKET_DELETE_REPLY);
110 vl_api_af_packet_set_l4_cksum_offload_t_handler
111 (vl_api_af_packet_set_l4_cksum_offload_t * mp)
113 vl_api_af_packet_delete_reply_t *rmp;
116 rv = af_packet_set_l4_cksum_offload (ntohl (mp->sw_if_index), mp->set);
117 REPLY_MACRO (VL_API_AF_PACKET_SET_L4_CKSUM_OFFLOAD_REPLY);
121 af_packet_send_details (vpe_api_main_t * am,
122 vl_api_registration_t * reg,
123 af_packet_if_detail_t * af_packet_if, u32 context)
125 vl_api_af_packet_details_t *mp;
126 mp = vl_msg_api_alloc (sizeof (*mp));
127 clib_memset (mp, 0, sizeof (*mp));
128 mp->_vl_msg_id = htons (REPLY_MSG_ID_BASE + VL_API_AF_PACKET_DETAILS);
129 mp->sw_if_index = htonl (af_packet_if->sw_if_index);
130 clib_memcpy (mp->host_if_name, af_packet_if->host_if_name,
131 MIN (ARRAY_LEN (mp->host_if_name) - 1,
132 strlen ((const char *) af_packet_if->host_if_name)));
134 mp->context = context;
135 vl_api_send_msg (reg, (u8 *) mp);
140 vl_api_af_packet_dump_t_handler (vl_api_af_packet_dump_t * mp)
143 vpe_api_main_t *am = &vpe_api_main;
144 vl_api_registration_t *reg;
145 af_packet_if_detail_t *out_af_packet_ifs = NULL;
146 af_packet_if_detail_t *af_packet_if = NULL;
148 reg = vl_api_client_index_to_registration (mp->client_index);
152 rv = af_packet_dump_ifs (&out_af_packet_ifs);
156 vec_foreach (af_packet_if, out_af_packet_ifs)
158 af_packet_send_details (am, reg, af_packet_if, mp->context);
161 vec_free (out_af_packet_ifs);
164 #include <vnet/devices/af_packet/af_packet.api.c>
165 static clib_error_t *
166 af_packet_api_hookup (vlib_main_t * vm)
169 * Set up the (msg_name, crc, message-id) table
171 REPLY_MSG_ID_BASE = setup_message_id_table ();
176 VLIB_API_INIT_FUNCTION (af_packet_api_hookup);
179 * fd.io coding-style-patch-verification: ON
182 * eval: (c-set-style "gnu")