Release 4.12 include/uapi/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
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Directory: include/uapi/linux/netfilter

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