1 /* $OpenBSD: frame.h,v 1.1 2024/12/15 11:00:05 dlg Exp $ */ 2 3 /* 4 * Copyright (c) 2024 David Gwynne <dlg@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef _NET_FRAME_H_ 20 #define _NET_FRAME_H_ 21 22 #define FRAME_ADDRLEN 8 /* big enough for Ethernet */ 23 #define FRAME_DATALEN 32 24 25 struct sockaddr_frame { 26 uint8_t sfrm_len; 27 uint8_t sfrm_family; /* AF_FRAME */ 28 uint16_t sfrm_proto; 29 unsigned int sfrm_ifindex; 30 uint8_t sfrm_addr[FRAME_ADDRLEN]; 31 char sfrm_ifname[IFNAMSIZ]; 32 uint8_t sfrm_data[FRAME_DATALEN]; 33 }; 34 35 #define FRAME_RECVDSTADDR 0 /* int */ 36 #define FRAME_RECVPRIO 1 /* int */ 37 #define FRAME_ADD_MEMBERSHIP 64 /* struct frame_mreq */ 38 #define FRAME_DEL_MEMBERSHIP 65 /* struct frame_mreq */ 39 #define FRAME_SENDPRIO 66 /* int: IF_HDRPRIO_{MIN-MAX,PACKET} */ 40 41 struct frame_mreq { 42 unsigned int fmr_ifindex; 43 uint8_t fmr_addr[FRAME_ADDRLEN]; 44 char fmr_ifname[IFNAMSIZ]; 45 }; 46 47 #endif /* _NET_FRAME_H_ */ 48