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Vector Packet Processing
af_packet.h
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1 /*
2  *------------------------------------------------------------------
3  * af_packet.h - linux kernel packet interface header file
4  *
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:
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
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  *------------------------------------------------------------------
18  */
19 
20 typedef struct
21 {
22  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
23  volatile u32 *lockp;
25  int fd;
26  struct tpacket_req *rx_req;
27  struct tpacket_req *tx_req;
33 
36 
40 
41 typedef struct
42 {
43  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
45 
46  /* bitmap of pending rx interfaces */
48 
49  /* rx buffer cache */
51 
52  /* hash of host interface names */
55 
59 
60 int af_packet_create_if (vlib_main_t * vm, u8 * host_if_name,
61  u8 * hw_addr_set, u32 * sw_if_index);
62 int af_packet_delete_if (vlib_main_t * vm, u8 * host_if_name);
63 
64 /*
65  * fd.io coding-style-patch-verification: ON
66  *
67  * Local Variables:
68  * eval: (c-set-style "gnu")
69  * End:
70  */
u32 ** rx_buffers
Definition: af_packet.h:50
Definition: mhash.h:46
int af_packet_delete_if(vlib_main_t *vm, u8 *host_if_name)
Definition: af_packet.c:299
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition: cache.h:68
int af_packet_create_if(vlib_main_t *vm, u8 *host_if_name, u8 *hw_addr_set, u32 *sw_if_index)
Definition: af_packet.c:176
uword * pending_input_bitmap
Definition: af_packet.h:47
struct tpacket_req * tx_req
Definition: af_packet.h:27
u32 unix_file_index
Definition: af_packet.h:32
struct _vlib_node_registration vlib_node_registration_t
struct tpacket_req * rx_req
Definition: af_packet.h:26
struct _vnet_device_class vnet_device_class_t
u8 * host_if_name
Definition: af_packet.h:24
af_packet_if_t * interfaces
Definition: af_packet.h:44
u32 next_rx_frame
Definition: af_packet.h:34
u32 next_tx_frame
Definition: af_packet.h:35
vlib_main_t * vm
Definition: buffer.c:276
u32 per_interface_next_index
Definition: af_packet.h:37
vlib_node_registration_t af_packet_input_node
(constructor) VLIB_REGISTER_NODE (af_packet_input_node)
Definition: node.c:266
unsigned int u32
Definition: types.h:88
af_packet_main_t af_packet_main
Definition: af_packet.h:56
mhash_t if_index_by_host_if_name
Definition: af_packet.h:53
vnet_device_class_t af_packet_device_class
u64 uword
Definition: types.h:112
unsigned char u8
Definition: types.h:56
volatile u32 * lockp
Definition: af_packet.h:23