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af_packet.h
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/*
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*------------------------------------------------------------------
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* af_packet.h - linux kernel packet interface header file
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*
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* Copyright (c) 2016 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*------------------------------------------------------------------
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*/
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#include <
vppinfra/lock.h
>
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typedef
struct
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{
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CLIB_CACHE_LINE_ALIGN_MARK
(cacheline0);
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clib_spinlock_t
lockp
;
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u8
*
host_if_name
;
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int
host_if_index
;
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int
fd
;
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struct
tpacket_req *
rx_req
;
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struct
tpacket_req *
tx_req
;
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u8
*
rx_ring
;
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u8
*
tx_ring
;
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u32
hw_if_index
;
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u32
sw_if_index
;
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u32
clib_file_index
;
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u32
next_rx_frame
;
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u32
next_tx_frame
;
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u32
per_interface_next_index
;
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u8
is_admin_up
;
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}
af_packet_if_t
;
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typedef
struct
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{
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CLIB_CACHE_LINE_ALIGN_MARK
(cacheline0);
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af_packet_if_t
*
interfaces
;
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/* bitmap of pending rx interfaces */
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uword
*
pending_input_bitmap
;
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/* rx buffer cache */
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u32
**
rx_buffers
;
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/* hash of host interface names */
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mhash_t
if_index_by_host_if_name
;
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}
af_packet_main_t
;
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extern
af_packet_main_t
af_packet_main
;
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extern
vnet_device_class_t
af_packet_device_class
;
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extern
vlib_node_registration_t
af_packet_input_node
;
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int
af_packet_create_if
(
vlib_main_t
*
vm
,
u8
* host_if_name,
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u8
* hw_addr_set,
u32
* sw_if_index);
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int
af_packet_delete_if
(
vlib_main_t
*
vm
,
u8
* host_if_name);
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int
af_packet_set_l4_cksum_offload
(
vlib_main_t
*
vm
,
u32
sw_if_index,
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u8
set
);
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
af_packet_main_t::rx_buffers
u32 ** rx_buffers
Definition:
af_packet.h:53
mhash_t
Definition:
mhash.h:46
af_packet_set_l4_cksum_offload
int af_packet_set_l4_cksum_offload(vlib_main_t *vm, u32 sw_if_index, u8 set)
Definition:
af_packet.c:412
af_packet_delete_if
int af_packet_delete_if(vlib_main_t *vm, u8 *host_if_name)
Definition:
af_packet.c:353
CLIB_CACHE_LINE_ALIGN_MARK
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition:
cache.h:68
lock.h
af_packet_create_if
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:211
af_packet_main_t::pending_input_bitmap
uword * pending_input_bitmap
Definition:
af_packet.h:50
af_packet_if_t::tx_req
struct tpacket_req * tx_req
Definition:
af_packet.h:30
af_packet_if_t
Definition:
af_packet.h:22
vlib_node_registration_t
struct _vlib_node_registration vlib_node_registration_t
af_packet_if_t::rx_req
struct tpacket_req * rx_req
Definition:
af_packet.h:29
vnet_device_class_t
struct _vnet_device_class vnet_device_class_t
af_packet_if_t::host_if_name
u8 * host_if_name
Definition:
af_packet.h:26
af_packet_main_t::interfaces
af_packet_if_t * interfaces
Definition:
af_packet.h:47
af_packet_if_t::lockp
clib_spinlock_t lockp
Definition:
af_packet.h:25
af_packet_if_t::next_rx_frame
u32 next_rx_frame
Definition:
af_packet.h:37
af_packet_if_t::is_admin_up
u8 is_admin_up
Definition:
af_packet.h:41
af_packet_if_t::tx_ring
u8 * tx_ring
Definition:
af_packet.h:32
af_packet_if_t::next_tx_frame
u32 next_tx_frame
Definition:
af_packet.h:38
vm
vlib_main_t * vm
Definition:
buffer.c:283
af_packet_if_t::per_interface_next_index
u32 per_interface_next_index
Definition:
af_packet.h:40
af_packet_input_node
vlib_node_registration_t af_packet_input_node
(constructor) VLIB_REGISTER_NODE (af_packet_input_node)
Definition:
node.c:370
af_packet_if_t::sw_if_index
u32 sw_if_index
Definition:
af_packet.h:34
clib_spinlock_t
Definition:
lock.h:21
af_packet_if_t::host_if_index
int host_if_index
Definition:
af_packet.h:27
af_packet_if_t::clib_file_index
u32 clib_file_index
Definition:
af_packet.h:35
u32
unsigned int u32
Definition:
types.h:88
af_packet_main
af_packet_main_t af_packet_main
Definition:
af_packet.c:35
af_packet_main_t
Definition:
af_packet.h:44
af_packet_main_t::if_index_by_host_if_name
mhash_t if_index_by_host_if_name
Definition:
af_packet.h:56
af_packet_device_class
vnet_device_class_t af_packet_device_class
uword
u64 uword
Definition:
types.h:112
u8
unsigned char u8
Definition:
types.h:56
vlib_main_t
Definition:
main.h:59
af_packet_if_t::fd
int fd
Definition:
af_packet.h:28
af_packet_if_t::rx_ring
u8 * rx_ring
Definition:
af_packet.h:31
af_packet_if_t::hw_if_index
u32 hw_if_index
Definition:
af_packet.h:33
src
vnet
devices
af_packet
af_packet.h
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