kernel-ark/include/linux/netfilter/xt_HMARK.h
Hans Schillstrom d1992b169d netfilter: xt_HMARK: fix endianness and provide consistent hashing
This patch addresses two issues:

a) Fix usage of u32 and __be32 that causes endianess warnings via sparse.
b) Ensure consistent hashing in a cluster that is composed of big and
   little endian systems. Thus, we obtain the same hash mark in an
   heterogeneous cluster.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Schillstrom <hans@schillstrom.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-06-07 14:53:01 +02:00

51 lines
841 B
C

#ifndef XT_HMARK_H_
#define XT_HMARK_H_
#include <linux/types.h>
enum {
XT_HMARK_SADDR_MASK,
XT_HMARK_DADDR_MASK,
XT_HMARK_SPI,
XT_HMARK_SPI_MASK,
XT_HMARK_SPORT,
XT_HMARK_DPORT,
XT_HMARK_SPORT_MASK,
XT_HMARK_DPORT_MASK,
XT_HMARK_PROTO_MASK,
XT_HMARK_RND,
XT_HMARK_MODULUS,
XT_HMARK_OFFSET,
XT_HMARK_CT,
XT_HMARK_METHOD_L3,
XT_HMARK_METHOD_L3_4,
};
#define XT_HMARK_FLAG(flag) (1 << flag)
union hmark_ports {
struct {
__u16 src;
__u16 dst;
} p16;
struct {
__be16 src;
__be16 dst;
} b16;
__u32 v32;
__be32 b32;
};
struct xt_hmark_info {
union nf_inet_addr src_mask;
union nf_inet_addr dst_mask;
union hmark_ports port_mask;
union hmark_ports port_set;
__u32 flags;
__u16 proto_mask;
__u32 hashrnd;
__u32 hmodulus;
__u32 hoffset; /* Mark offset to start from */
};
#endif /* XT_HMARK_H_ */