diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_timer.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index fa34984d0b12..d212f183dd2d 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -22,6 +22,20 @@ #include <linux/gfp.h> #include <net/tcp.h> +u32 tcp_retransmit_stamp(const struct sock *sk) +{ + u32 start_ts = tcp_sk(sk)->retrans_stamp; + + if (unlikely(!start_ts)) { + struct sk_buff *head = tcp_rtx_queue_head(sk); + + if (!head) + return 0; + start_ts = tcp_skb_timestamp(head); + } + return start_ts; +} + /** * tcp_write_err() - close socket and save error info * @sk: The socket the error has appeared on. @@ -166,14 +180,9 @@ static bool retransmits_timed_out(struct sock *sk, if (!inet_csk(sk)->icsk_retransmits) return false; - start_ts = tcp_sk(sk)->retrans_stamp; - if (unlikely(!start_ts)) { - struct sk_buff *head = tcp_rtx_queue_head(sk); - - if (!head) - return false; - start_ts = tcp_skb_timestamp(head); - } + start_ts = tcp_retransmit_stamp(sk); + if (!start_ts) + return false; if (likely(timeout == 0)) { linear_backoff_thresh = ilog2(TCP_RTO_MAX/rto_base); |