mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-13 22:25:03 +00:00
78d9f4d49b
We already have ICMPv6 type/code matches (which can be used to distinguish different types of MLD packets). Add support for IPv4 IGMP matches in the same way. Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
/*
|
|
* ebt_ip
|
|
*
|
|
* Authors:
|
|
* Bart De Schuymer <bart.de.schuymer@pandora.be>
|
|
*
|
|
* April, 2002
|
|
*
|
|
* Changes:
|
|
* added ip-sport and ip-dport
|
|
* Innominate Security Technologies AG <mhopf@innominate.com>
|
|
* September, 2002
|
|
*/
|
|
|
|
#ifndef __LINUX_BRIDGE_EBT_IP_H
|
|
#define __LINUX_BRIDGE_EBT_IP_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#define EBT_IP_SOURCE 0x01
|
|
#define EBT_IP_DEST 0x02
|
|
#define EBT_IP_TOS 0x04
|
|
#define EBT_IP_PROTO 0x08
|
|
#define EBT_IP_SPORT 0x10
|
|
#define EBT_IP_DPORT 0x20
|
|
#define EBT_IP_ICMP 0x40
|
|
#define EBT_IP_IGMP 0x80
|
|
#define EBT_IP_MASK (EBT_IP_SOURCE | EBT_IP_DEST | EBT_IP_TOS | EBT_IP_PROTO |\
|
|
EBT_IP_SPORT | EBT_IP_DPORT | EBT_IP_ICMP | EBT_IP_IGMP)
|
|
#define EBT_IP_MATCH "ip"
|
|
|
|
/* the same values are used for the invflags */
|
|
struct ebt_ip_info {
|
|
__be32 saddr;
|
|
__be32 daddr;
|
|
__be32 smsk;
|
|
__be32 dmsk;
|
|
__u8 tos;
|
|
__u8 protocol;
|
|
__u8 bitmask;
|
|
__u8 invflags;
|
|
union {
|
|
__u16 sport[2];
|
|
__u8 icmp_type[2];
|
|
__u8 igmp_type[2];
|
|
};
|
|
union {
|
|
__u16 dport[2];
|
|
__u8 icmp_code[2];
|
|
};
|
|
};
|
|
|
|
#endif
|