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| author | Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> | 2008-12-05 22:43:26 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-05 22:43:26 -0800 |
| commit | 41834b7332a1ad3f7b6e8bbd83e6ce63586f0b07 (patch) | |
| tree | 29932203c8bc1ef4a90a9dbabab205699c4c1263 /net/ipv4/tcp_input.c | |
| parent | ee6aac59505bcae5de1422c76956de62ac22170d (diff) | |
| download | blackbird-obmc-linux-41834b7332a1ad3f7b6e8bbd83e6ce63586f0b07.tar.gz blackbird-obmc-linux-41834b7332a1ad3f7b6e8bbd83e6ce63586f0b07.zip | |
tcp: share code through function, not through copy-paste. :-)
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 215e38c1a233..99b7ecbe8893 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3052,6 +3052,13 @@ static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag) tcp_xmit_retransmit_queue(sk); } +static void tcp_valid_rtt_meas(struct sock *sk, u32 seq_rtt) +{ + tcp_rtt_estimator(sk, seq_rtt); + tcp_set_rto(sk); + inet_csk(sk)->icsk_backoff = 0; +} + /* Read draft-ietf-tcplw-high-performance before mucking * with this code. (Supersedes RFC1323) */ @@ -3073,10 +3080,8 @@ static void tcp_ack_saw_tstamp(struct sock *sk, int flag) * in window is lost... Voila. --ANK (010210) */ struct tcp_sock *tp = tcp_sk(sk); - const __u32 seq_rtt = tcp_time_stamp - tp->rx_opt.rcv_tsecr; - tcp_rtt_estimator(sk, seq_rtt); - tcp_set_rto(sk); - inet_csk(sk)->icsk_backoff = 0; + + tcp_valid_rtt_meas(sk, tcp_time_stamp - tp->rx_opt.rcv_tsecr); } static void tcp_ack_no_tstamp(struct sock *sk, u32 seq_rtt, int flag) @@ -3093,9 +3098,7 @@ static void tcp_ack_no_tstamp(struct sock *sk, u32 seq_rtt, int flag) if (flag & FLAG_RETRANS_DATA_ACKED) return; - tcp_rtt_estimator(sk, seq_rtt); - tcp_set_rto(sk); - inet_csk(sk)->icsk_backoff = 0; + tcp_valid_rtt_meas(sk, seq_rtt); } static inline void tcp_ack_update_rtt(struct sock *sk, const int flag, |
