/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_IF_PACKET_H #define __LINUX_IF_PACKET_H #include <asm/byteorder.h> #include <linux/types.h> struct sockaddr_pkt { … }; struct sockaddr_ll { … }; /* Packet types */ #define PACKET_HOST … #define PACKET_BROADCAST … #define PACKET_MULTICAST … #define PACKET_OTHERHOST … #define PACKET_OUTGOING … #define PACKET_LOOPBACK … #define PACKET_USER … #define PACKET_KERNEL … /* Unused, PACKET_FASTROUTE and PACKET_LOOPBACK are invisible to user space */ #define PACKET_FASTROUTE … /* Packet socket options */ #define PACKET_ADD_MEMBERSHIP … #define PACKET_DROP_MEMBERSHIP … #define PACKET_RECV_OUTPUT … /* Value 4 is still used by obsolete turbo-packet. */ #define PACKET_RX_RING … #define PACKET_STATISTICS … #define PACKET_COPY_THRESH … #define PACKET_AUXDATA … #define PACKET_ORIGDEV … #define PACKET_VERSION … #define PACKET_HDRLEN … #define PACKET_RESERVE … #define PACKET_TX_RING … #define PACKET_LOSS … #define PACKET_VNET_HDR … #define PACKET_TX_TIMESTAMP … #define PACKET_TIMESTAMP … #define PACKET_FANOUT … #define PACKET_TX_HAS_OFF … #define PACKET_QDISC_BYPASS … #define PACKET_ROLLOVER_STATS … #define PACKET_FANOUT_DATA … #define PACKET_IGNORE_OUTGOING … #define PACKET_VNET_HDR_SZ … #define PACKET_FANOUT_HASH … #define PACKET_FANOUT_LB … #define PACKET_FANOUT_CPU … #define PACKET_FANOUT_ROLLOVER … #define PACKET_FANOUT_RND … #define PACKET_FANOUT_QM … #define PACKET_FANOUT_CBPF … #define PACKET_FANOUT_EBPF … #define PACKET_FANOUT_FLAG_ROLLOVER … #define PACKET_FANOUT_FLAG_UNIQUEID … #define PACKET_FANOUT_FLAG_IGNORE_OUTGOING … #define PACKET_FANOUT_FLAG_DEFRAG … struct tpacket_stats { … }; struct tpacket_stats_v3 { … }; struct tpacket_rollover_stats { … }; tpacket_stats_u; struct tpacket_auxdata { … }; /* Rx ring - header status */ #define TP_STATUS_KERNEL … #define TP_STATUS_USER … #define TP_STATUS_COPY … #define TP_STATUS_LOSING … #define TP_STATUS_CSUMNOTREADY … #define TP_STATUS_VLAN_VALID … #define TP_STATUS_BLK_TMO … #define TP_STATUS_VLAN_TPID_VALID … #define TP_STATUS_CSUM_VALID … #define TP_STATUS_GSO_TCP … /* Tx ring - header status */ #define TP_STATUS_AVAILABLE … #define TP_STATUS_SEND_REQUEST … #define TP_STATUS_SENDING … #define TP_STATUS_WRONG_FORMAT … /* Rx and Tx ring - header status */ #define TP_STATUS_TS_SOFTWARE … #define TP_STATUS_TS_SYS_HARDWARE … #define TP_STATUS_TS_RAW_HARDWARE … /* Rx ring - feature request bits */ #define TP_FT_REQ_FILL_RXHASH … struct tpacket_hdr { … }; #define TPACKET_ALIGNMENT … #define TPACKET_ALIGN(x) … #define TPACKET_HDRLEN … struct tpacket2_hdr { … }; struct tpacket_hdr_variant1 { … }; struct tpacket3_hdr { … }; struct tpacket_bd_ts { … }; struct tpacket_hdr_v1 { … }; tpacket_bd_header_u; struct tpacket_block_desc { … }; #define TPACKET2_HDRLEN … #define TPACKET3_HDRLEN … enum tpacket_versions { … }; /* Frame structure: - Start. Frame must be aligned to TPACKET_ALIGNMENT=16 - struct tpacket_hdr - pad to TPACKET_ALIGNMENT=16 - struct sockaddr_ll - Gap, chosen so that packet data (Start+tp_net) aligns to TPACKET_ALIGNMENT=16 - Start+tp_mac: [ Optional MAC header ] - Start+tp_net: Packet data, aligned to TPACKET_ALIGNMENT=16. - Pad to align to TPACKET_ALIGNMENT=16 */ struct tpacket_req { … }; struct tpacket_req3 { … }; tpacket_req_u; struct packet_mreq { … }; struct fanout_args { … }; #define PACKET_MR_MULTICAST … #define PACKET_MR_PROMISC … #define PACKET_MR_ALLMULTI … #define PACKET_MR_UNICAST … #endif
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