| Current File : //usr/include/linux/netfilter/xt_tcpudp.h |
#ifndef _XT_TCPUDP_H
#define _XT_TCPUDP_H
#include <linux/types.h>
/* TCP matching stuff */
struct xt_tcp {
__u16 spts[2]; /* Source port range. */
__u16 dpts[2]; /* Destination port range. */
__u8 option; /* TCP Option iff non-zero*/
__u8 flg_mask; /* TCP flags mask byte */
__u8 flg_cmp; /* TCP flags compare byte */
__u8 invflags; /* Inverse flags */
};
/* Values for "inv" field in struct ipt_tcp. */
#define XT_TCP_INV_SRCPT 0x01 /* Invert the sense of source ports. */
#define XT_TCP_INV_DSTPT 0x02 /* Invert the sense of dest ports. */
#define XT_TCP_INV_FLAGS 0x04 /* Invert the sense of TCP flags. */
#define XT_TCP_INV_OPTION 0x08 /* Invert the sense of option test. */
#define XT_TCP_INV_MASK 0x0F /* All possible flags. */
/* UDP matching stuff */
struct xt_udp {
__u16 spts[2]; /* Source port range. */
__u16 dpts[2]; /* Destination port range. */
__u8 invflags; /* Inverse flags */
};
/* Values for "invflags" field in struct ipt_udp. */
#define XT_UDP_INV_SRCPT 0x01 /* Invert the sense of source ports. */
#define XT_UDP_INV_DSTPT 0x02 /* Invert the sense of dest ports. */
#define XT_UDP_INV_MASK 0x03 /* All possible flags. */
#endif