xt_tcpudp.h revision 350661a6eb089f3e54e67e022db9e16ea280499f 
1#ifndef _XT_TCPUDP_H
2#define _XT_TCPUDP_H
3
4#include <linux/types.h>
5
6/* TCP matching stuff */
7struct xt_tcp {
8	__u16 spts[2];			/* Source port range. */
9	__u16 dpts[2];			/* Destination port range. */
10	__u8 option;			/* TCP Option iff non-zero*/
11	__u8 flg_mask;			/* TCP flags mask byte */
12	__u8 flg_cmp;			/* TCP flags compare byte */
13	__u8 invflags;			/* Inverse flags */
14};
15
16/* Values for "inv" field in struct ipt_tcp. */
17#define XT_TCP_INV_SRCPT	0x01	/* Invert the sense of source ports. */
18#define XT_TCP_INV_DSTPT	0x02	/* Invert the sense of dest ports. */
19#define XT_TCP_INV_FLAGS	0x04	/* Invert the sense of TCP flags. */
20#define XT_TCP_INV_OPTION	0x08	/* Invert the sense of option test. */
21#define XT_TCP_INV_MASK		0x0F	/* All possible flags. */
22
23/* UDP matching stuff */
24struct xt_udp {
25	__u16 spts[2];			/* Source port range. */
26	__u16 dpts[2];			/* Destination port range. */
27	__u8 invflags;			/* Inverse flags */
28};
29
30/* Values for "invflags" field in struct ipt_udp. */
31#define XT_UDP_INV_SRCPT	0x01	/* Invert the sense of source ports. */
32#define XT_UDP_INV_DSTPT	0x02	/* Invert the sense of dest ports. */
33#define XT_UDP_INV_MASK	0x03	/* All possible flags. */
34
35
36#endif
37