| /* |
| *------------------------------------------------------------------ |
| * 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; |
| } 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; |
| |
| 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 (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); |
| int af_packet_set_l4_cksum_offload (vlib_main_t * vm, 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: |
| */ |