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/
usr
/
include
/
linux
/
netfilter
nf_conntrack_tuple_common.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _NF_CONNTRACK_TUPLE_COMMON_H #define _NF_CONNTRACK_TUPLE_COMMON_H #include <linux/types.h> #include <linux/netfilter.h> #include <linux/netfilter/nf_conntrack_common.h> /* IP_CT_IS_REPLY */ enum ip_conntrack_dir { IP_CT_DIR_ORIGINAL, IP_CT_DIR_REPLY, IP_CT_DIR_MAX }; /* The protocol-specific manipulable parts of the tuple: always in * network order */ union nf_conntrack_man_proto { /* Add other protocols here. */ __be16 all; struct { __be16 port; } tcp; struct { __be16 port; } udp; struct { __be16 id; } icmp; struct { __be16 port; } dccp; struct { __be16 port; } sctp; struct { __be16 key; /* GRE key is 32bit, PPtP only uses 16bit */ } gre; }; #define CTINFO2DIR(ctinfo) ((ctinfo) >= IP_CT_IS_REPLY ? IP_CT_DIR_REPLY : IP_CT_DIR_ORIGINAL) #endif /* _NF_CONNTRACK_TUPLE_COMMON_H */
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