diff options
Diffstat (limited to 'include/uapi/linux/tcp.h')
| -rw-r--r-- | include/uapi/linux/tcp.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index 879eeb0a084b..8aa3916e14f6 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -170,6 +170,7 @@ enum tcp_fastopen_client_fail { #define TCPI_OPT_ECN 8 /* ECN was negociated at TCP session init */ #define TCPI_OPT_ECN_SEEN 16 /* we received at least one packet with ECT */ #define TCPI_OPT_SYN_DATA 32 /* SYN-ACK acked data in SYN sent or rcvd */ +#define TCPI_OPT_USEC_TS 64 /* usec timestamps */ /* * Sender's congestion state indicating normal or abnormal situations @@ -289,6 +290,18 @@ struct tcp_info { */ __u32 tcpi_rehash; /* PLB or timeout triggered rehash attempts */ + + __u16 tcpi_total_rto; /* Total number of RTO timeouts, including + * SYN/SYN-ACK and recurring timeouts. + */ + __u16 tcpi_total_rto_recoveries; /* Total number of RTO + * recoveries, including any + * unfinished recovery. + */ + __u32 tcpi_total_rto_time; /* Total time spent in RTO recoveries + * in milliseconds, including any + * unfinished recovery. + */ }; /* netlink attributes types for SCM_TIMESTAMPING_OPT_STATS */ |