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1/* tcp_metrics.h - TCP Metrics Interface */
2
3#ifndef _LINUX_TCP_METRICS_H
4#define _LINUX_TCP_METRICS_H
5
6#include <linux/types.h>
7
8/* NETLINK_GENERIC related info
9 */
10#define TCP_METRICS_GENL_NAME "tcp_metrics"
11#define TCP_METRICS_GENL_VERSION 0x1
12
13enum tcp_metric_index {
14 TCP_METRIC_RTT,
15 TCP_METRIC_RTTVAR,
16 TCP_METRIC_SSTHRESH,
17 TCP_METRIC_CWND,
18 TCP_METRIC_REORDERING,
19
20 /* Always last. */
21 __TCP_METRIC_MAX,
22};
23
24#define TCP_METRIC_MAX (__TCP_METRIC_MAX - 1)
25
26enum {
27 TCP_METRICS_ATTR_UNSPEC,
28 TCP_METRICS_ATTR_ADDR_IPV4, /* u32 */
29 TCP_METRICS_ATTR_ADDR_IPV6, /* binary */
30 TCP_METRICS_ATTR_AGE, /* msecs */
31 TCP_METRICS_ATTR_TW_TSVAL, /* u32, raw, rcv tsval */
32 TCP_METRICS_ATTR_TW_TS_STAMP, /* s32, sec age */
33 TCP_METRICS_ATTR_VALS, /* nested +1, u32 */
34 TCP_METRICS_ATTR_FOPEN_MSS, /* u16 */
35 TCP_METRICS_ATTR_FOPEN_SYN_DROPS, /* u16, count of drops */
36 TCP_METRICS_ATTR_FOPEN_SYN_DROP_TS, /* msecs age */
37 TCP_METRICS_ATTR_FOPEN_COOKIE, /* binary */
38
39 __TCP_METRICS_ATTR_MAX,
40};
41
42#define TCP_METRICS_ATTR_MAX (__TCP_METRICS_ATTR_MAX - 1)
43
44enum {
45 TCP_METRICS_CMD_UNSPEC,
46 TCP_METRICS_CMD_GET,
47 TCP_METRICS_CMD_DEL,
48
49 __TCP_METRICS_CMD_MAX,
50};
51
52#define TCP_METRICS_CMD_MAX (__TCP_METRICS_CMD_MAX - 1)
53
54#endif /* _LINUX_TCP_METRICS_H */