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/*
*------------------------------------------------------------------
* 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.
*------------------------------------------------------------------
*/
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
volatile u32 *lockp;
u8 *host_if_name;
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 unix_file_index;
u32 next_rx_frame;
u32 next_tx_frame;
u32 per_interface_next_index;
u8 is_admin_up;
} 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;
/* first cpu index */
u32 input_cpu_first_index;
/* total cpu count */
u32 input_cpu_count;
} af_packet_main_t;
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 (vlib_main_t * vm, u8 * host_if_name,
u8 * hw_addr_set, u32 * sw_if_index);
int af_packet_delete_if (vlib_main_t * vm, u8 * host_if_name);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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