diff options
Diffstat (limited to 'include/uapi/linux/netfilter/xt_tcpudp.h')
-rw-r--r-- | include/uapi/linux/netfilter/xt_tcpudp.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter/xt_tcpudp.h b/include/uapi/linux/netfilter/xt_tcpudp.h new file mode 100644 index 0000000..38aa7b3 --- /dev/null +++ b/include/uapi/linux/netfilter/xt_tcpudp.h @@ -0,0 +1,36 @@ +#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 |