cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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igmp.h (3079B)

      1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
      2/*
      3 *	Linux NET3:	Internet Group Management Protocol  [IGMP]
      4 *
      5 *	Authors:
      6 *		Alan Cox <alan@lxorguk.ukuu.org.uk>
      7 *
      8 *	Extended to talk the BSD extended IGMP protocol of mrouted 3.6
      9 *
     10 *
     11 *	This program is free software; you can redistribute it and/or
     12 *	modify it under the terms of the GNU General Public License
     13 *	as published by the Free Software Foundation; either version
     14 *	2 of the License, or (at your option) any later version.
     15 */
     16
     17#ifndef _UAPI_LINUX_IGMP_H
     18#define _UAPI_LINUX_IGMP_H
     19
     20#include <linux/types.h>
     21#include <asm/byteorder.h>
     22
     23/*
     24 *	IGMP protocol structures
     25 */
     26
     27/*
     28 *	Header in on cable format
     29 */
     30
     31struct igmphdr {
     32	__u8 type;
     33	__u8 code;		/* For newer IGMP */
     34	__sum16 csum;
     35	__be32 group;
     36};
     37
     38/* V3 group record types [grec_type] */
     39#define IGMPV3_MODE_IS_INCLUDE		1
     40#define IGMPV3_MODE_IS_EXCLUDE		2
     41#define IGMPV3_CHANGE_TO_INCLUDE	3
     42#define IGMPV3_CHANGE_TO_EXCLUDE	4
     43#define IGMPV3_ALLOW_NEW_SOURCES	5
     44#define IGMPV3_BLOCK_OLD_SOURCES	6
     45
     46struct igmpv3_grec {
     47	__u8	grec_type;
     48	__u8	grec_auxwords;
     49	__be16	grec_nsrcs;
     50	__be32	grec_mca;
     51	__be32	grec_src[0];
     52};
     53
     54struct igmpv3_report {
     55	__u8 type;
     56	__u8 resv1;
     57	__sum16 csum;
     58	__be16 resv2;
     59	__be16 ngrec;
     60	struct igmpv3_grec grec[0];
     61};
     62
     63struct igmpv3_query {
     64	__u8 type;
     65	__u8 code;
     66	__sum16 csum;
     67	__be32 group;
     68#if defined(__LITTLE_ENDIAN_BITFIELD)
     69	__u8 qrv:3,
     70	     suppress:1,
     71	     resv:4;
     72#elif defined(__BIG_ENDIAN_BITFIELD)
     73	__u8 resv:4,
     74	     suppress:1,
     75	     qrv:3;
     76#else
     77#error "Please fix <asm/byteorder.h>"
     78#endif
     79	__u8 qqic;
     80	__be16 nsrcs;
     81	__be32 srcs[0];
     82};
     83
     84#define IGMP_HOST_MEMBERSHIP_QUERY	0x11	/* From RFC1112 */
     85#define IGMP_HOST_MEMBERSHIP_REPORT	0x12	/* Ditto */
     86#define IGMP_DVMRP			0x13	/* DVMRP routing */
     87#define IGMP_PIM			0x14	/* PIM routing */
     88#define IGMP_TRACE			0x15
     89#define IGMPV2_HOST_MEMBERSHIP_REPORT	0x16	/* V2 version of 0x12 */
     90#define IGMP_HOST_LEAVE_MESSAGE 	0x17
     91#define IGMPV3_HOST_MEMBERSHIP_REPORT	0x22	/* V3 version of 0x12 */
     92
     93#define IGMP_MTRACE_RESP		0x1e
     94#define IGMP_MTRACE			0x1f
     95
     96#define IGMP_MRDISC_ADV			0x30	/* From RFC4286 */
     97
     98/*
     99 *	Use the BSD names for these for compatibility
    100 */
    101
    102#define IGMP_DELAYING_MEMBER		0x01
    103#define IGMP_IDLE_MEMBER		0x02
    104#define IGMP_LAZY_MEMBER		0x03
    105#define IGMP_SLEEPING_MEMBER		0x04
    106#define IGMP_AWAKENING_MEMBER		0x05
    107
    108#define IGMP_MINLEN			8
    109
    110#define IGMP_MAX_HOST_REPORT_DELAY	10	/* max delay for response to */
    111						/* query (in seconds)	*/
    112
    113#define IGMP_TIMER_SCALE		10	/* denotes that the igmphdr->timer field */
    114						/* specifies time in 10th of seconds	 */
    115
    116#define IGMP_AGE_THRESHOLD		400	/* If this host don't hear any IGMP V1	*/
    117						/* message in this period of time,	*/
    118						/* revert to IGMP v2 router.		*/
    119
    120#define IGMP_ALL_HOSTS		htonl(0xE0000001L)
    121#define IGMP_ALL_ROUTER 	htonl(0xE0000002L)
    122#define IGMPV3_ALL_MCR	 	htonl(0xE0000016L)
    123#define IGMP_LOCAL_GROUP	htonl(0xE0000000L)
    124#define IGMP_LOCAL_GROUP_MASK	htonl(0xFFFFFF00L)
    125
    126/*
    127 * struct for keeping the multicast list in
    128 */
    129
    130#endif /* _UAPI_LINUX_IGMP_H */