/* *------------------------------------------------------------------ * 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; } 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: */