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