diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/tcp.h | 1 | ||||
| -rw-r--r-- | include/net/inet_connection_sock.h | 5 | ||||
| -rw-r--r-- | include/net/tcp.h | 6 | ||||
| -rw-r--r-- | include/uapi/linux/snmp.h | 1 |
4 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 515c3746b675..01860d74555c 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -201,7 +201,6 @@ struct tcp_sock { unused : 1; u8 repair_queue; u8 do_early_retrans:1,/* Enable RFC5827 early-retransmit */ - early_retrans_delayed:1, /* Delayed ER timer installed */ syn_data:1, /* SYN includes data */ syn_fastopen:1, /* SYN includes Fast Open option */ syn_data_acked:1;/* data in SYN is acked by SYN-ACK */ diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 183292722f6e..de2c78529afa 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -133,6 +133,8 @@ struct inet_connection_sock { #define ICSK_TIME_RETRANS 1 /* Retransmit timer */ #define ICSK_TIME_DACK 2 /* Delayed ack timer */ #define ICSK_TIME_PROBE0 3 /* Zero window probe timer */ +#define ICSK_TIME_EARLY_RETRANS 4 /* Early retransmit timer */ +#define ICSK_TIME_LOSS_PROBE 5 /* Tail loss probe timer */ static inline struct inet_connection_sock *inet_csk(const struct sock *sk) { @@ -222,7 +224,8 @@ static inline void inet_csk_reset_xmit_timer(struct sock *sk, const int what, when = max_when; } - if (what == ICSK_TIME_RETRANS || what == ICSK_TIME_PROBE0) { + if (what == ICSK_TIME_RETRANS || what == ICSK_TIME_PROBE0 || + what == ICSK_TIME_EARLY_RETRANS || what == ICSK_TIME_LOSS_PROBE) { icsk->icsk_pending = what; icsk->icsk_timeout = jiffies + when; sk_reset_timer(sk, &icsk->icsk_retransmit_timer, icsk->icsk_timeout); diff --git a/include/net/tcp.h b/include/net/tcp.h index a2baa5e4ba31..ab9f947b118b 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -543,6 +543,8 @@ extern bool tcp_syn_flood_action(struct sock *sk, extern void tcp_push_one(struct sock *, unsigned int mss_now); extern void tcp_send_ack(struct sock *sk); extern void tcp_send_delayed_ack(struct sock *sk); +extern void tcp_send_loss_probe(struct sock *sk); +extern bool tcp_schedule_loss_probe(struct sock *sk); /* tcp_input.c */ extern void tcp_cwnd_application_limited(struct sock *sk); @@ -873,8 +875,8 @@ static inline void tcp_enable_fack(struct tcp_sock *tp) static inline void tcp_enable_early_retrans(struct tcp_sock *tp) { tp->do_early_retrans = sysctl_tcp_early_retrans && - !sysctl_tcp_thin_dupack && sysctl_tcp_reordering == 3; - tp->early_retrans_delayed = 0; + sysctl_tcp_early_retrans < 4 && !sysctl_tcp_thin_dupack && + sysctl_tcp_reordering == 3; } static inline void tcp_disable_early_retrans(struct tcp_sock *tp) diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h index b49eab89c9fd..290bed6b085f 100644 --- a/include/uapi/linux/snmp.h +++ b/include/uapi/linux/snmp.h @@ -202,6 +202,7 @@ enum LINUX_MIB_TCPFORWARDRETRANS, /* TCPForwardRetrans */ LINUX_MIB_TCPSLOWSTARTRETRANS, /* TCPSlowStartRetrans */ LINUX_MIB_TCPTIMEOUTS, /* TCPTimeouts */ + LINUX_MIB_TCPLOSSPROBES, /* TCPLossProbes */ LINUX_MIB_TCPRENORECOVERYFAIL, /* TCPRenoRecoveryFail */ LINUX_MIB_TCPSACKRECOVERYFAIL, /* TCPSackRecoveryFail */ LINUX_MIB_TCPSCHEDULERFAILED, /* TCPSchedulerFailed */ |