Lines Matching defs:*
0 /* This file was manually copied from the Linux kernel source
2 * and manually stripped from __KERNEL__ sections and unused functions.
6 * Definitions and Declarations for tuple.
8 * 16 Dec 2003: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp>
9 * - generalize L3 protocol dependent part.
11 * Derived from include/linux/netfiter_ipv4/ip_conntrack_tuple.h
14 #ifndef _NF_CONNTRACK_TUPLE_H
15 #define _NF_CONNTRACK_TUPLE_H
17 #include <linux/netfilter/x_tables.h>
18 #include <linux/netfilter/nf_conntrack_tuple_common.h>
20 /* A `tuple' is a structure containing the information to uniquely
21 identify a connection. ie. if two packets have the same tuple, they
22 are in the same connection; if not, they are not.
24 We divide the structure along "manipulatable" and
25 "non-manipulatable" lines, for the benefit of the NAT code.
28 #define NF_CT_TUPLE_L3SIZE ARRAY_SIZE(((union nf_inet_addr *)NULL)->all)
30 /* The protocol-specific manipulable parts of the tuple: always in
31 network order! */
32 union nf_conntrack_man_proto
34 /* Add other protocols here. */
35 __be16 all;
37 struct {
38 __be16 port;
39 } tcp;
40 struct {
41 __be16 port;
42 } udp;
43 struct {
44 __be16 id;
45 } icmp;
46 struct {
47 __be16 port;
48 } dccp;
49 struct {
50 __be16 port;
51 } sctp;
52 struct {
53 __be16 key; /* GRE key is 32bit, PPtP only uses 16bit */
54 } gre;
57 /* The manipulable part of the tuple. */
58 struct nf_conntrack_man
60 union nf_inet_addr u3;
61 union nf_conntrack_man_proto u;
62 /* Layer 3 protocol */
63 u_int16_t l3num;
66 /* This contains the information to distinguish a connection. */
67 struct nf_conntrack_tuple
69 struct nf_conntrack_man src;
71 /* These are the parts of the tuple which are fixed. */
72 struct {
73 union nf_inet_addr u3;
74 union {
75 /* Add other protocols here. */
76 __be16 all;
78 struct {
79 __be16 port;
80 } tcp;
81 struct {
82 __be16 port;
83 } udp;
84 struct {
85 u_int8_t type, code;
86 } icmp;
87 struct {
88 __be16 port;
89 } dccp;
90 struct {
91 __be16 port;
92 } sctp;
93 struct {
94 __be16 key;
95 } gre;
96 } u;
98 /* The protocol. */
99 u_int8_t protonum;
101 /* The direction (for tuplehash) */
102 u_int8_t dir;
103 } dst;
106 struct nf_conntrack_tuple_mask
108 struct {
109 union nf_inet_addr u3;
110 union nf_conntrack_man_proto u;
111 } src;
114 #endif /* _NF_CONNTRACK_TUPLE_H */