1 * l4( (  fB- x/3_I|+ /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_IF_PACKET_H #define __LINUX_IF_PACKET_H #include #include struct sockaddr_pkt { unsigned short spkt_family; unsigned char spkt_device[14]; __be16 spkt_protocol; }; struct sockaddr_ll { unsigned short sll_family; __be16 sll_protocol; int sll_ifindex; unsigned short sll_hatype; unsigned char sll_pkttype; unsigned char sll_halen; unsigned char sll_addr[8]; }; /* Packet types */ #define PACKET_HOST 0 /* To us */ #define PACKET_BROADCAST 1 /* To all */ #define PACKET_MULTICAST 2 /* To group */ #define PACKET_OTHERHOST 3 /* To someone else */ #define PACKET_OUTGOING 4 /* Outgoing of any type */ #define PACKET_LOOPBACK 5 /* MC/BRD frame looped back */ #define PACKET_USER 6 /* To user space */ #define PACKET_KERNEL 7 /* To kernel space */ /* Unused, PACKET_FASTROUTE and PACKET_LOOPBACK are invisible to user space */ #define PACKET_FASTROUTE 6 /* Fastrouted frame */ /* Packet socket options */ #define PACKET_ADD_MEMBERSHIP 1 #define PACKET_DROP_MEMBERSHIP 2 #define PACKET_RECV_OUTPUT 3 /* Value 4 is still used by obsolete turbo-packet. */ #define PACKET_RX_RING 5 #define PACKET_STATISTICS 6 #define PACKET_COPY_THRESH 7 #define PACKET_AUXDATA 8 #define PACKET_ORIGDEV 9 #define PACKET_VERSION 10 #define PACKET_HDRLEN 11 #define PACKET_RESERVE 12 #define PACKET_TX_RING 13 #define PACKET_LOSS 14 #define PACKET_VNET_HDR 15 #define PACKET_TX_TIMESTAMP 16 #define PACKET_TIMESTAMP 17 #define PACKET_FANOUT 18 #define PACKET_TX_HAS_OFF 19 #define PACKET_QDISC_BYPASS 20 #define PACKET_ROLLOVER_STATS 21 #define PACKET_FANOUT_DATA 22 #define PACKET_IGNORE_OUTGOING 23 #define PACKET_FANOUT_HASH 0 #define PACKET_FANOUT_LB 1 #define PACKET_FANOUT_CPU 2 #define PACKET_FANOUT_ROLLOVER 3 #define PACKET_FANOUT_RND 4 #define PACKET_FANOUT_QM 5 #define PACKET_FANOUT_CBPF 6 #define PACKET_FANOUT_EBPF 7 #define PACKET_FANOUT_FLAG_ROLLOVER 0x1000 #define PACKET_FANOUT_FLAG_UNIQUEID 0x2000 #define PACKET_FANOUT_FLAG_DEFRAG 0x8000 struct tpacket_stats { unsigned int tp_packets; unsigned int tp_drops; }; struct tpacket_stats_v3 { unsigned int tp_packets; unsigned int tp_drops; unsigned int tp_freeze_q_cnt; }; struct tpacket_rollover_stats { __aligned_u64 tp_all; __aligned_u64 tp_huge; __aligned_u64 tp_failed; }; union tpacket_stats_u { struct tpacket_stats stats1; struct tpacket_stats_v3 stats3; }; struct tpacket_auxdata { __u32 tp_status; __u32 tp_len; __u32 tp_snaplen; __u16 tp_mac; __u16 tp_net; __u16 tp_vlan_tci; __u16 tp_vlan_tpid; }; /* Rx ring - header status */ #define TP_STATUS_KERNEL 0 #define TP_STATUS_USER (1 << 0) #define TP_STATUS_COPY (1 << 1) #define TP_STATUS_LOSING (1 << 2) #define TP_STATUS_CSUMNOTREADY (1 << 3) #define TP_STATUS_VLAN_VALID (1 << 4) /* auxdata has valid tp_vlan_tci */ #define TP_STATUS_BLK_TMO (1 << 5) #define TP_STATUS_VLAN_TPID_VALID (1 << 6) /* auxdata has valid tp_vlan_tpid */ #define TP_STATUS_CSUM_VALID (1 << 7) #define TP_STATUS_GSO_TCP (1 << 8) /* Tx ring - header status */ #define TP_STATUS_AVAILABLE 0 #define TP_STATUS_SEND_REQUEST (1 << 0) #define TP_STATUS_SENDING (1 << 1) #define TP_STATUS_WRONG_FORMAT (1 << 2) /* Rx and Tx ring - header status */ #define TP_STATUS_TS_SOFTWARE (1 << 29) #define TP_STATUS_TS_SYS_HARDWARE (1 << 30) /* deprecated, never set */ #define TP_STATUS_TS_RAW_HARDWARE (1U << 31) /* Rx ring - feature request bits */ #define TP_FT_REQ_FILL_RXHASH 0x1 struct tpacket_hdr { unsigned long tp_status; unsigned int tp_len; unsigned int tp_snaplen; unsigned short tp_mac; unsigned short tp_net; unsigned int tp_sec; unsigned int tp_usec; }; #define TPACKET_ALIGNMENT 16 #define TPACKET_ALIGN(x) (((x)+TPACKET_ALIGNMENT-1)&~(TPACKET_ALIGNMENT-1)) #define TPACKET_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll)) struct tpacket2_hdr { __u32 tp_status; __u3