diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/tcp.h | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 5fb1e75a32a9..423438dd6fe9 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -262,6 +262,9 @@ extern int sysctl_tcp_slow_start_after_idle; extern int sysctl_tcp_thin_linear_timeouts; extern int sysctl_tcp_thin_dupack; extern int sysctl_tcp_early_retrans; +extern int sysctl_tcp_recovery; +#define TCP_RACK_LOSS_DETECTION 0x1 /* Use RACK to detect losses */ + extern int sysctl_tcp_limit_output_bytes; extern int sysctl_tcp_challenge_ack_limit; extern int sysctl_tcp_min_tso_segs; @@ -1043,6 +1046,7 @@ static inline void tcp_enable_early_retrans(struct tcp_sock *tp) tp->do_early_retrans = sysctl_tcp_early_retrans && sysctl_tcp_early_retrans < 4 && !sysctl_tcp_thin_dupack && + !(sysctl_tcp_recovery & TCP_RACK_LOSS_DETECTION) && net->ipv4.sysctl_tcp_reordering == 3; } @@ -1859,13 +1863,6 @@ void tcp_v4_init(void); void tcp_init(void); /* tcp_recovery.c */ - -/* Flags to enable various loss recovery features. See below */ -extern int sysctl_tcp_recovery; - -/* Use TCP RACK to detect (some) tail and retransmit losses */ -#define TCP_RACK_LOST_RETRANS 0x1 - extern void tcp_rack_mark_lost(struct sock *sk, const struct skb_mstamp *now); extern void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq, const struct skb_mstamp *xmit_time, |