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packet.h
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/* Definitions for use with Linux AF_PACKET sockets. Copyright (C) 1998-2024 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #ifndef __NETPACKET_PACKET_H #define __NETPACKET_PACKET_H 1 struct sockaddr_ll { unsigned short int sll_family; unsigned short int sll_protocol; int sll_ifindex; unsigned short int 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 /* Originated by us . */ #define PACKET_LOOPBACK 5 #define PACKET_FASTROUTE 6 /* Packet socket options. */ #define PACKET_ADD_MEMBERSHIP 1 #define PACKET_DROP_MEMBERSHIP 2 #define PACKET_RECV_OUTPUT 3 #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_VNET_HDR_SZ 24 struct packet_mreq { int mr_ifindex; unsigned short int mr_type; unsigned short int mr_alen; unsigned char mr_address[8]; }; #define PACKET_MR_MULTICAST 0 #define PACKET_MR_PROMISC 1 #define PACKET_MR_ALLMULTI 2 #define PACKET_MR_UNICAST 3 #endif /* netpacket/packet.h */