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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note *//* tcp_metrics.h - TCP Metrics Interface */
#ifndef _UAPI_LINUX_TCP_METRICS_H#define _UAPI_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)
/* Re-define enum tcp_metric_index, again, using the values carried * as netlink attribute types. */enum { TCP_METRICS_A_METRICS_RTT = 1, TCP_METRICS_A_METRICS_RTTVAR, TCP_METRICS_A_METRICS_SSTHRESH, TCP_METRICS_A_METRICS_CWND, TCP_METRICS_A_METRICS_REODERING, TCP_METRICS_A_METRICS_RTT_US, TCP_METRICS_A_METRICS_RTTVAR_US,
__TCP_METRICS_A_METRICS_MAX};#define TCP_METRICS_A_METRICS_MAX (__TCP_METRICS_A_METRICS_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 /* _UAPI_LINUX_TCP_METRICS_H */