LXR linux/include/uapi/linux/tcp

   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,         /* in ms units */
  15        TCP_METRIC_RTTVAR,      /* in ms units */
  16        TCP_METRIC_SSTHRESH,
  17        TCP_METRIC_CWND,
  18        TCP_METRIC_REORDERING,
  19
  20        TCP_METRIC_RTT_US,      /* in usec units */
  21        TCP_METRIC_RTTVAR_US,   /* in usec units */
  22
  23        /* Always last.  */
  24        __TCP_METRIC_MAX,
  25};
  26
  27#define TCP_METRIC_MAX  (__TCP_METRIC_MAX - 1)
  28
  29enum {
  30        TCP_METRICS_ATTR_UNSPEC,
  31        TCP_METRICS_ATTR_ADDR_IPV4,             /* u32 */
  32        TCP_METRICS_ATTR_ADDR_IPV6,             /* binary */
  33        TCP_METRICS_ATTR_AGE,                   /* msecs */
  34        TCP_METRICS_ATTR_TW_TSVAL,              /* u32, raw, rcv tsval */
  35        TCP_METRICS_ATTR_TW_TS_STAMP,           /* s32, sec age */
  36        TCP_METRICS_ATTR_VALS,                  /* nested +1, u32 */
  37        TCP_METRICS_ATTR_FOPEN_MSS,             /* u16 */
  38        TCP_METRICS_ATTR_FOPEN_SYN_DROPS,       /* u16, count of drops */
  39        TCP_METRICS_ATTR_FOPEN_SYN_DROP_TS,     /* msecs age */
  40        TCP_METRICS_ATTR_FOPEN_COOKIE,          /* binary */
  41        TCP_METRICS_ATTR_SADDR_IPV4,            /* u32 */
  42        TCP_METRICS_ATTR_SADDR_IPV6,            /* binary */
  43
  44        __TCP_METRICS_ATTR_MAX,
  45};
  46
  47#define TCP_METRICS_ATTR_MAX    (__TCP_METRICS_ATTR_MAX - 1)
  48
  49enum {
  50        TCP_METRICS_CMD_UNSPEC,
  51        TCP_METRICS_CMD_GET,
  52        TCP_METRICS_CMD_DEL,
  53
  54        __TCP_METRICS_CMD_MAX,
  55};
  56
  57#define TCP_METRICS_CMD_MAX     (__TCP_METRICS_CMD_MAX - 1)
  58
  59#endif /* _LINUX_TCP_METRICS_H */
  60