/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
/* tcp_metrics.h - TCP Metrics Interface */
|
|
#ifndef _LINUX_TCP_METRICS_H
|
#define _LINUX_TCP_METRICS_H
|
|
#include <linux/types.h>
|
|
/* NETLINK_GENERIC related info
|
*/
|
#define TCP_METRICS_GENL_NAME "tcp_metrics"
|
#define TCP_METRICS_GENL_VERSION 0x1
|
|
enum tcp_metric_index {
|
TCP_METRIC_RTT, /* in ms units */
|
TCP_METRIC_RTTVAR, /* in ms units */
|
TCP_METRIC_SSTHRESH,
|
TCP_METRIC_CWND,
|
TCP_METRIC_REORDERING,
|
|
TCP_METRIC_RTT_US, /* in usec units */
|
TCP_METRIC_RTTVAR_US, /* in usec units */
|
|
/* Always last. */
|
__TCP_METRIC_MAX,
|
};
|
|
#define TCP_METRIC_MAX (__TCP_METRIC_MAX - 1)
|
|
enum {
|
TCP_METRICS_ATTR_UNSPEC,
|
TCP_METRICS_ATTR_ADDR_IPV4, /* u32 */
|
TCP_METRICS_ATTR_ADDR_IPV6, /* binary */
|
TCP_METRICS_ATTR_AGE, /* msecs */
|
TCP_METRICS_ATTR_TW_TSVAL, /* u32, raw, rcv tsval */
|
TCP_METRICS_ATTR_TW_TS_STAMP, /* s32, sec age */
|
TCP_METRICS_ATTR_VALS, /* nested +1, u32 */
|
TCP_METRICS_ATTR_FOPEN_MSS, /* u16 */
|
TCP_METRICS_ATTR_FOPEN_SYN_DROPS, /* u16, count of drops */
|
TCP_METRICS_ATTR_FOPEN_SYN_DROP_TS, /* msecs age */
|
TCP_METRICS_ATTR_FOPEN_COOKIE, /* binary */
|
TCP_METRICS_ATTR_SADDR_IPV4, /* u32 */
|
TCP_METRICS_ATTR_SADDR_IPV6, /* binary */
|
TCP_METRICS_ATTR_PAD,
|
|
__TCP_METRICS_ATTR_MAX,
|
};
|
|
#define TCP_METRICS_ATTR_MAX (__TCP_METRICS_ATTR_MAX - 1)
|
|
enum {
|
TCP_METRICS_CMD_UNSPEC,
|
TCP_METRICS_CMD_GET,
|
TCP_METRICS_CMD_DEL,
|
|
__TCP_METRICS_CMD_MAX,
|
};
|
|
#define TCP_METRICS_CMD_MAX (__TCP_METRICS_CMD_MAX - 1)
|
|
#endif /* _LINUX_TCP_METRICS_H */
|
