blob: 3163aa0323e5575309992c4acb158b9332f7e156 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
*------------------------------------------------------------------
* af_packet.h - linux kernel packet interface header file
*
* 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 <vppinfra/lock.h>
#include <vlib/log.h>
typedef struct
{
u32 sw_if_index;
u8 host_if_name[64];
} af_packet_if_detail_t;
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
clib_spinlock_t lockp;
u8 *host_if_name;
int host_if_index;
int fd;
struct tpacket_req *rx_req;
struct tpacket_req *tx_req;
u8 *rx_ring;
u8 *tx_ring;
u32 hw_if_index;
u32 sw_if_index;
u32 clib_file_index;
u32 next_rx_frame;
u32 next_tx_frame;
u32 per_interface_next_index;
u8 is_admin_up;
u32 queue_index;
u32 host_mtu;
} af_packet_if_t;
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
af_packet_if_t *interfaces;
/* bitmap of pending rx interfaces */
uword *pending_input_bitmap;
/* rx buffer cache */
u32 **rx_buffers;
/* hash of host interface names */
mhash_t if_index_by_host_if_name;
/** log class */
vlib_log_class_t log_class;
} af_packet_main_t;
typedef struct
{
u8 *host_if_name;
u8 *hw_addr;
u32 rx_frame_size;
u32 tx_frame_size;
u32 rx_frames_per_block;
u32 tx_frames_per_block;
/* return */
u32 sw_if_index;
} af_packet_create_if_arg_t;
extern af_packet_main_t af_packet_main;
extern vnet_device_class_t af_packet_device_class;
extern vlib_node_registration_t af_packet_input_node;
int af_packet_create_if (af_packet_create_if_arg_t *arg);
int af_packet_delete_if (u8 *host_if_name);
int af_packet_set_l4_cksum_offload (u32 sw_if_index, u8 set);
int af_packet_dump_ifs (af_packet_if_detail_t ** out_af_packet_ifs);
format_function_t format_af_packet_device_name;
#define MIN(x,y) (((x)<(y))?(x):(y))
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
