1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_INET_DIAG_H_
3 #define _UAPI_INET_DIAG_H_
5 #include <linux/types.h>
7 /* Just some random number */
8 #define TCPDIAG_GETSOCK 18
9 #define DCCPDIAG_GETSOCK 19
11 #define INET_DIAG_GETSOCK_MAX 24
14 struct inet_diag_sockid {
20 __u32 idiag_cookie[2];
21 #define INET_DIAG_NOCOOKIE (~0U)
24 /* Request structure */
26 struct inet_diag_req {
27 __u8 idiag_family; /* Family of addresses. */
30 __u8 idiag_ext; /* Query extended information */
32 struct inet_diag_sockid id;
34 __u32 idiag_states; /* States to dump */
35 __u32 idiag_dbs; /* Tables to dump (NI) */
38 struct inet_diag_req_v2 {
44 struct inet_diag_sockid id;
48 * SOCK_RAW sockets require the underlied protocol to be
49 * additionally specified so we can use @pad member for
50 * this, but we can't rename it because userspace programs
51 * still may depend on this name. Instead lets use another
52 * structure definition as an alias for struct
55 struct inet_diag_req_raw {
59 __u8 sdiag_raw_protocol;
61 struct inet_diag_sockid id;
66 INET_DIAG_REQ_BYTECODE,
69 #define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE
71 /* Bytecode is sequence of 4 byte commands followed by variable arguments.
72 * All the commands identified by "code" are conditional jumps forward:
73 * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
74 * length of the command and its arguments.
77 struct inet_diag_bc_op {
93 INET_DIAG_BC_DEV_COND, /* u32 ifindex */
94 INET_DIAG_BC_MARK_COND,
99 struct inet_diag_hostcond {
106 struct inet_diag_markcond {
111 /* Base info structure. It contains socket identity (addrs/ports/cookie)
112 * and, alas, the information shown by netstat. */
113 struct inet_diag_msg {
119 struct inet_diag_sockid id;
142 * Next extenstions cannot be requested in struct inet_diag_req_v2:
143 * its field idiag_ext has only 8 bits.
146 INET_DIAG_DCTCPINFO, /* request as INET_DIAG_VEGASINFO */
147 INET_DIAG_PROTOCOL, /* response attribute only */
152 INET_DIAG_MARK, /* only with CAP_NET_ADMIN */
153 INET_DIAG_BBRINFO, /* request as INET_DIAG_VEGASINFO */
154 INET_DIAG_CLASS_ID, /* request as INET_DIAG_TCLASS */
159 #define INET_DIAG_MAX (__INET_DIAG_MAX - 1)
163 struct inet_diag_meminfo {
170 /* INET_DIAG_VEGASINFO */
172 struct tcpvegas_info {
179 /* INET_DIAG_DCTCPINFO */
181 struct tcp_dctcp_info {
183 __u16 dctcp_ce_state;
189 /* INET_DIAG_BBRINFO */
191 struct tcp_bbr_info {
192 /* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */
193 __u32 bbr_bw_lo; /* lower 32 bits of bw */
194 __u32 bbr_bw_hi; /* upper 32 bits of bw */
195 __u32 bbr_min_rtt; /* min-filtered RTT in uSec */
196 __u32 bbr_pacing_gain; /* pacing gain shifted left 8 bits */
197 __u32 bbr_cwnd_gain; /* cwnd gain shifted left 8 bits */
201 struct tcpvegas_info vegas;
202 struct tcp_dctcp_info dctcp;
203 struct tcp_bbr_info bbr;
205 #endif /* _UAPI_INET_DIAG_H_ */