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Commit 942bf921 authored by Al Viro's avatar Al Viro Committed by David S. Miller
Browse files

[IPV4]: IGMP on-the-wire data is net-endian 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8f935bbd

include/linux/igmp.h

+12 −12
Original line number Diff line number Diff line
@@ -30,8 +30,8 @@ struct igmphdr 
{

	__u8 type;

	__u8 code;		/* For newer IGMP */

	__u16 csum;

	__u32 group;

	__be16 csum;

	__be32 group;

};



/* V3 group record types [grec_type] */
@@ -45,25 +45,25 @@ struct igmphdr 
struct igmpv3_grec {

	__u8	grec_type;

	__u8	grec_auxwords;

	__u16	grec_nsrcs;

	__u32	grec_mca;

	__u32	grec_src[0];

	__be16	grec_nsrcs;

	__be32	grec_mca;

	__be32	grec_src[0];

};



struct igmpv3_report {

	__u8 type;

	__u8 resv1;

	__u16 csum;

	__u16 resv2;

	__u16 ngrec;

	__be16 csum;

	__be16 resv2;

	__be16 ngrec;

	struct igmpv3_grec grec[0];

};



struct igmpv3_query {

	__u8 type;

	__u8 code;

	__u16 csum;

	__u32 group;

	__be16 csum;

	__be32 group;

#if defined(__LITTLE_ENDIAN_BITFIELD)

	__u8 qrv:3,

	     suppress:1,
@@ -76,8 +76,8 @@ struct igmpv3_query { 
#error "Please fix <asm/byteorder.h>"

#endif

	__u8 qqic;

	__u16 nsrcs;

	__u32 srcs[0];

	__be16 nsrcs;

	__be32 srcs[0];

};



#define IGMP_HOST_MEMBERSHIP_QUERY	0x11	/* From RFC1112 */