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Linux kernel mirror (for testing)
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linux
1#ifndef _UAPI_INET_DIAG_H_
2#define _UAPI_INET_DIAG_H_
3
4#include <linux/types.h>
5
6/* Just some random number */
7#define TCPDIAG_GETSOCK 18
8#define DCCPDIAG_GETSOCK 19
9
10#define INET_DIAG_GETSOCK_MAX 24
11
12/* Socket identity */
13struct inet_diag_sockid {
14 __be16 idiag_sport;
15 __be16 idiag_dport;
16 __be32 idiag_src[4];
17 __be32 idiag_dst[4];
18 __u32 idiag_if;
19 __u32 idiag_cookie[2];
20#define INET_DIAG_NOCOOKIE (~0U)
21};
22
23/* Request structure */
24
25struct inet_diag_req {
26 __u8 idiag_family; /* Family of addresses. */
27 __u8 idiag_src_len;
28 __u8 idiag_dst_len;
29 __u8 idiag_ext; /* Query extended information */
30
31 struct inet_diag_sockid id;
32
33 __u32 idiag_states; /* States to dump */
34 __u32 idiag_dbs; /* Tables to dump (NI) */
35};
36
37struct inet_diag_req_v2 {
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
46/*
47 * SOCK_RAW sockets require the underlied protocol to be
48 * additionally specified so we can use @pad member for
49 * this, but we can't rename it because userspace programs
50 * still may depend on this name. Instead lets use another
51 * structure definition as an alias for struct
52 * @inet_diag_req_v2.
53 */
54struct inet_diag_req_raw {
55 __u8 sdiag_family;
56 __u8 sdiag_protocol;
57 __u8 idiag_ext;
58 __u8 sdiag_raw_protocol;
59 __u32 idiag_states;
60 struct inet_diag_sockid id;
61};
62
63enum {
64 INET_DIAG_REQ_NONE,
65 INET_DIAG_REQ_BYTECODE,
66};
67
68#define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE
69
70/* Bytecode is sequence of 4 byte commands followed by variable arguments.
71 * All the commands identified by "code" are conditional jumps forward:
72 * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
73 * length of the command and its arguments.
74 */
75
76struct inet_diag_bc_op {
77 unsigned char code;
78 unsigned char yes;
79 unsigned short no;
80};
81
82enum {
83 INET_DIAG_BC_NOP,
84 INET_DIAG_BC_JMP,
85 INET_DIAG_BC_S_GE,
86 INET_DIAG_BC_S_LE,
87 INET_DIAG_BC_D_GE,
88 INET_DIAG_BC_D_LE,
89 INET_DIAG_BC_AUTO,
90 INET_DIAG_BC_S_COND,
91 INET_DIAG_BC_D_COND,
92 INET_DIAG_BC_DEV_COND, /* u32 ifindex */
93 INET_DIAG_BC_MARK_COND,
94};
95
96struct inet_diag_hostcond {
97 __u8 family;
98 __u8 prefix_len;
99 int port;
100 __be32 addr[0];
101};
102
103struct inet_diag_markcond {
104 __u32 mark;
105 __u32 mask;
106};
107
108/* Base info structure. It contains socket identity (addrs/ports/cookie)
109 * and, alas, the information shown by netstat. */
110struct inet_diag_msg {
111 __u8 idiag_family;
112 __u8 idiag_state;
113 __u8 idiag_timer;
114 __u8 idiag_retrans;
115
116 struct inet_diag_sockid id;
117
118 __u32 idiag_expires;
119 __u32 idiag_rqueue;
120 __u32 idiag_wqueue;
121 __u32 idiag_uid;
122 __u32 idiag_inode;
123};
124
125/* Extensions */
126
127enum {
128 INET_DIAG_NONE,
129 INET_DIAG_MEMINFO,
130 INET_DIAG_INFO,
131 INET_DIAG_VEGASINFO,
132 INET_DIAG_CONG,
133 INET_DIAG_TOS,
134 INET_DIAG_TCLASS,
135 INET_DIAG_SKMEMINFO,
136 INET_DIAG_SHUTDOWN,
137 INET_DIAG_DCTCPINFO,
138 INET_DIAG_PROTOCOL, /* response attribute only */
139 INET_DIAG_SKV6ONLY,
140 INET_DIAG_LOCALS,
141 INET_DIAG_PEERS,
142 INET_DIAG_PAD,
143 INET_DIAG_MARK,
144 INET_DIAG_BBRINFO,
145 INET_DIAG_CLASS_ID,
146 INET_DIAG_MD5SIG,
147 __INET_DIAG_MAX,
148};
149
150#define INET_DIAG_MAX (__INET_DIAG_MAX - 1)
151
152/* INET_DIAG_MEM */
153
154struct inet_diag_meminfo {
155 __u32 idiag_rmem;
156 __u32 idiag_wmem;
157 __u32 idiag_fmem;
158 __u32 idiag_tmem;
159};
160
161/* INET_DIAG_VEGASINFO */
162
163struct tcpvegas_info {
164 __u32 tcpv_enabled;
165 __u32 tcpv_rttcnt;
166 __u32 tcpv_rtt;
167 __u32 tcpv_minrtt;
168};
169
170/* INET_DIAG_DCTCPINFO */
171
172struct tcp_dctcp_info {
173 __u16 dctcp_enabled;
174 __u16 dctcp_ce_state;
175 __u32 dctcp_alpha;
176 __u32 dctcp_ab_ecn;
177 __u32 dctcp_ab_tot;
178};
179
180/* INET_DIAG_BBRINFO */
181
182struct tcp_bbr_info {
183 /* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */
184 __u32 bbr_bw_lo; /* lower 32 bits of bw */
185 __u32 bbr_bw_hi; /* upper 32 bits of bw */
186 __u32 bbr_min_rtt; /* min-filtered RTT in uSec */
187 __u32 bbr_pacing_gain; /* pacing gain shifted left 8 bits */
188 __u32 bbr_cwnd_gain; /* cwnd gain shifted left 8 bits */
189};
190
191union tcp_cc_info {
192 struct tcpvegas_info vegas;
193 struct tcp_dctcp_info dctcp;
194 struct tcp_bbr_info bbr;
195};
196#endif /* _UAPI_INET_DIAG_H_ */