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Commit | Line | Data |
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73c1f4a0 ACM |
1 | #ifndef _INET_DIAG_H_ |
2 | #define _INET_DIAG_H_ 1 | |
1da177e4 | 3 | |
2df005b7 JSR |
4 | #include <linux/types.h> |
5 | ||
1da177e4 LT |
6 | /* Just some random number */ |
7 | #define TCPDIAG_GETSOCK 18 | |
540722ff | 8 | #define DCCPDIAG_GETSOCK 19 |
1da177e4 | 9 | |
4f5736c4 ACM |
10 | #define INET_DIAG_GETSOCK_MAX 24 |
11 | ||
1da177e4 | 12 | /* Socket identity */ |
73c1f4a0 | 13 | struct inet_diag_sockid { |
9f855299 AV |
14 | __be16 idiag_sport; |
15 | __be16 idiag_dport; | |
16 | __be32 idiag_src[4]; | |
17 | __be32 idiag_dst[4]; | |
73c1f4a0 ACM |
18 | __u32 idiag_if; |
19 | __u32 idiag_cookie[2]; | |
20 | #define INET_DIAG_NOCOOKIE (~0U) | |
1da177e4 LT |
21 | }; |
22 | ||
23 | /* Request structure */ | |
24 | ||
3b09c84c | 25 | struct inet_diag_req { |
73c1f4a0 ACM |
26 | __u8 idiag_family; /* Family of addresses. */ |
27 | __u8 idiag_src_len; | |
28 | __u8 idiag_dst_len; | |
29 | __u8 idiag_ext; /* Query extended information */ | |
1da177e4 | 30 | |
73c1f4a0 | 31 | struct inet_diag_sockid id; |
1da177e4 | 32 | |
73c1f4a0 ACM |
33 | __u32 idiag_states; /* States to dump */ |
34 | __u32 idiag_dbs; /* Tables to dump (NI) */ | |
1da177e4 LT |
35 | }; |
36 | ||
c8991362 | 37 | struct inet_diag_req_v2 { |
126fdc32 PE |
38 | __u8 sdiag_family; |
39 | __u8 sdiag_protocol; | |
40 | __u8 idiag_ext; | |
41 | __u8 pad; | |
42 | __u32 idiag_states; | |
43 | struct inet_diag_sockid id; | |
44 | }; | |
45 | ||
73c1f4a0 ACM |
46 | enum { |
47 | INET_DIAG_REQ_NONE, | |
48 | INET_DIAG_REQ_BYTECODE, | |
1da177e4 LT |
49 | }; |
50 | ||
73c1f4a0 | 51 | #define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE |
1da177e4 LT |
52 | |
53 | /* Bytecode is sequence of 4 byte commands followed by variable arguments. | |
54 | * All the commands identified by "code" are conditional jumps forward: | |
55 | * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be | |
56 | * length of the command and its arguments. | |
57 | */ | |
58 | ||
73c1f4a0 | 59 | struct inet_diag_bc_op { |
1da177e4 LT |
60 | unsigned char code; |
61 | unsigned char yes; | |
62 | unsigned short no; | |
63 | }; | |
64 | ||
73c1f4a0 ACM |
65 | enum { |
66 | INET_DIAG_BC_NOP, | |
67 | INET_DIAG_BC_JMP, | |
68 | INET_DIAG_BC_S_GE, | |
69 | INET_DIAG_BC_S_LE, | |
70 | INET_DIAG_BC_D_GE, | |
71 | INET_DIAG_BC_D_LE, | |
72 | INET_DIAG_BC_AUTO, | |
73 | INET_DIAG_BC_S_COND, | |
74 | INET_DIAG_BC_D_COND, | |
1da177e4 LT |
75 | }; |
76 | ||
73c1f4a0 | 77 | struct inet_diag_hostcond { |
1da177e4 LT |
78 | __u8 family; |
79 | __u8 prefix_len; | |
80 | int port; | |
9f855299 | 81 | __be32 addr[0]; |
1da177e4 LT |
82 | }; |
83 | ||
84 | /* Base info structure. It contains socket identity (addrs/ports/cookie) | |
85 | * and, alas, the information shown by netstat. */ | |
73c1f4a0 ACM |
86 | struct inet_diag_msg { |
87 | __u8 idiag_family; | |
88 | __u8 idiag_state; | |
89 | __u8 idiag_timer; | |
90 | __u8 idiag_retrans; | |
91 | ||
92 | struct inet_diag_sockid id; | |
93 | ||
94 | __u32 idiag_expires; | |
95 | __u32 idiag_rqueue; | |
96 | __u32 idiag_wqueue; | |
97 | __u32 idiag_uid; | |
98 | __u32 idiag_inode; | |
1da177e4 LT |
99 | }; |
100 | ||
101 | /* Extensions */ | |
102 | ||
73c1f4a0 ACM |
103 | enum { |
104 | INET_DIAG_NONE, | |
105 | INET_DIAG_MEMINFO, | |
106 | INET_DIAG_INFO, | |
107 | INET_DIAG_VEGASINFO, | |
108 | INET_DIAG_CONG, | |
3ceca749 | 109 | INET_DIAG_TOS, |
06236ac3 | 110 | INET_DIAG_TCLASS, |
c0636faa | 111 | INET_DIAG_SKMEMINFO, |
1da177e4 LT |
112 | }; |
113 | ||
c0636faa | 114 | #define INET_DIAG_MAX INET_DIAG_SKMEMINFO |
1da177e4 LT |
115 | |
116 | ||
73c1f4a0 | 117 | /* INET_DIAG_MEM */ |
1da177e4 | 118 | |
73c1f4a0 ACM |
119 | struct inet_diag_meminfo { |
120 | __u32 idiag_rmem; | |
121 | __u32 idiag_wmem; | |
122 | __u32 idiag_fmem; | |
123 | __u32 idiag_tmem; | |
1da177e4 LT |
124 | }; |
125 | ||
73c1f4a0 | 126 | /* INET_DIAG_VEGASINFO */ |
1da177e4 LT |
127 | |
128 | struct tcpvegas_info { | |
129 | __u32 tcpv_enabled; | |
130 | __u32 tcpv_rttcnt; | |
131 | __u32 tcpv_rtt; | |
132 | __u32 tcpv_minrtt; | |
133 | }; | |
134 | ||
4f5736c4 ACM |
135 | #ifdef __KERNEL__ |
136 | struct sock; | |
137 | struct inet_hashinfo; | |
8d07d151 | 138 | struct nlattr; |
3c4d05c8 PE |
139 | struct nlmsghdr; |
140 | struct sk_buff; | |
1942c518 | 141 | struct netlink_callback; |
4f5736c4 ACM |
142 | |
143 | struct inet_diag_handler { | |
1942c518 PE |
144 | void (*dump)(struct sk_buff *skb, |
145 | struct netlink_callback *cb, | |
c8991362 | 146 | struct inet_diag_req_v2 *r, |
1942c518 PE |
147 | struct nlattr *bc); |
148 | ||
149 | int (*dump_one)(struct sk_buff *in_skb, | |
150 | const struct nlmsghdr *nlh, | |
c8991362 | 151 | struct inet_diag_req_v2 *req); |
1942c518 | 152 | |
4f5736c4 | 153 | void (*idiag_get_info)(struct sock *sk, |
73c1f4a0 | 154 | struct inet_diag_msg *r, |
4f5736c4 | 155 | void *info); |
4f5736c4 ACM |
156 | __u16 idiag_type; |
157 | }; | |
158 | ||
3c4d05c8 PE |
159 | struct inet_connection_sock; |
160 | int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, | |
c8991362 | 161 | struct sk_buff *skb, struct inet_diag_req_v2 *req, |
3c4d05c8 PE |
162 | u32 pid, u32 seq, u16 nlmsg_flags, |
163 | const struct nlmsghdr *unlh); | |
1942c518 | 164 | void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb, |
c8991362 | 165 | struct netlink_callback *cb, struct inet_diag_req_v2 *r, |
1942c518 PE |
166 | struct nlattr *bc); |
167 | int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, | |
168 | struct sk_buff *in_skb, const struct nlmsghdr *nlh, | |
c8991362 | 169 | struct inet_diag_req_v2 *req); |
1942c518 | 170 | |
8d07d151 | 171 | int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk); |
b005ab4e | 172 | |
4f5736c4 ACM |
173 | extern int inet_diag_register(const struct inet_diag_handler *handler); |
174 | extern void inet_diag_unregister(const struct inet_diag_handler *handler); | |
175 | #endif /* __KERNEL__ */ | |
176 | ||
73c1f4a0 | 177 | #endif /* _INET_DIAG_H_ */ |