FD.io VPP  v20.01-48-g3e0dafb74
Vector Packet Processing
af_packet.h
Go to the documentation of this file.
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 #include <vppinfra/lock.h>
21 
22 #include <vlib/log.h>
23 
24 typedef struct
25 {
27  u8 host_if_name[64];
29 
30 typedef struct
31 {
32  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
36  int fd;
37  struct tpacket_req *rx_req;
38  struct tpacket_req *tx_req;
44 
47 
51 
52 typedef struct
53 {
54  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
56 
57  /* bitmap of pending rx interfaces */
59 
60  /* rx buffer cache */
62 
63  /* hash of host interface names */
65 
66  /** log class */
69 
73 
74 int af_packet_create_if (vlib_main_t * vm, u8 * host_if_name,
75  u8 * hw_addr_set, u32 * sw_if_index);
76 int af_packet_delete_if (vlib_main_t * vm, u8 * host_if_name);
78  u8 set);
79 int af_packet_dump_ifs (af_packet_if_detail_t ** out_af_packet_ifs);
80 
82 
83 #define MIN(x,y) (((x)<(y))?(x):(y))
84 
85 /*
86  * fd.io coding-style-patch-verification: ON
87  *
88  * Local Variables:
89  * eval: (c-set-style "gnu")
90  * End:
91  */
u32 ** rx_buffers
Definition: af_packet.h:61
Definition: mhash.h:46
int af_packet_set_l4_cksum_offload(vlib_main_t *vm, u32 sw_if_index, u8 set)
Definition: af_packet.c:482
int af_packet_delete_if(vlib_main_t *vm, u8 *host_if_name)
Definition: af_packet.c:421
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition: cache.h:60
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:220
uword * pending_input_bitmap
Definition: af_packet.h:58
struct tpacket_req * tx_req
Definition: af_packet.h:38
struct tpacket_req * rx_req
Definition: af_packet.h:37
struct _vnet_device_class vnet_device_class_t
unsigned char u8
Definition: types.h:56
u8 *() format_function_t(u8 *s, va_list *args)
Definition: format.h:48
u8 * host_if_name
Definition: af_packet.h:34
af_packet_if_t * interfaces
Definition: af_packet.h:55
u32 vlib_log_class_t
Definition: vlib.h:51
clib_spinlock_t lockp
Definition: af_packet.h:33
vl_api_interface_index_t sw_if_index
Definition: gre.api:59
u32 next_rx_frame
Definition: af_packet.h:45
unsigned int u32
Definition: types.h:88
format_function_t format_af_packet_device_name
Definition: af_packet.h:81
int af_packet_dump_ifs(af_packet_if_detail_t **out_af_packet_ifs)
Definition: af_packet.c:501
vlib_log_class_t log_class
log class
Definition: af_packet.h:67
vlib_main_t * vm
Definition: in2out_ed.c:1810
u32 next_tx_frame
Definition: af_packet.h:46
u32 per_interface_next_index
Definition: af_packet.h:48
vlib_node_registration_t af_packet_input_node
(constructor) VLIB_REGISTER_NODE (af_packet_input_node)
Definition: node.c:370
int host_if_index
Definition: af_packet.h:35
u32 clib_file_index
Definition: af_packet.h:43
af_packet_main_t af_packet_main
Definition: af_packet.c:37
mhash_t if_index_by_host_if_name
Definition: af_packet.h:64
vnet_device_class_t af_packet_device_class
struct _vlib_node_registration vlib_node_registration_t
u64 uword
Definition: types.h:112