Edit: xt_tcpudp.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #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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