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- /* 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_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 */
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