diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/tcp.h | 8 | ||||
| -rw-r--r-- | include/uapi/linux/tcp.h | 12 |
2 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 44d946161d4a..e15452df9804 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -377,6 +377,14 @@ struct tcp_sock { * Total data bytes retransmitted */ u32 total_retrans; /* Total retransmits for entire connection */ + u32 rto_stamp; /* Start time (ms) of last CA_Loss recovery */ + u16 total_rto; /* Total number of RTO timeouts, including + * SYN/SYN-ACK and recurring timeouts. + */ + u16 total_rto_recoveries; /* Total number of RTO recoveries, + * including any unfinished recovery. + */ + u32 total_rto_time; /* ms spent in (completed) RTO recoveries. */ u32 urg_seq; /* Seq of received urgent pointer */ unsigned int keepalive_time; /* time before keep alive takes place */ diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index 879eeb0a084b..d1d08da6331a 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -289,6 +289,18 @@ 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 */ |