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author | David S. Miller <davem@davemloft.net> | 2009-05-08 09:48:30 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2009-05-08 09:48:30 (GMT) |
commit | 22f6dacdfcfdc792d068e9c41234808860498d04 (patch) | |
tree | 281a7d476f256ea3e2f800177ba685b169cc0540 /include/net/tcp.h | |
parent | 928f308f556f4943e50c5064b546f47bce301f02 (diff) | |
parent | 9b05126baa146fc3f41360164141d4e1b3ea93c4 (diff) | |
download | linux-fsl-qoriq-22f6dacdfcfdc792d068e9c41234808860498d04.tar.xz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
include/net/tcp.h
Diffstat (limited to 'include/net/tcp.h')
-rw-r--r-- | include/net/tcp.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 87d210b..19f4150 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -41,6 +41,7 @@ #include <net/ip.h> #include <net/tcp_states.h> #include <net/inet_ecn.h> +#include <net/dst.h> #include <linux/seq_file.h> @@ -543,6 +544,17 @@ static inline void tcp_fast_path_check(struct sock *sk) tcp_fast_path_on(tp); } +/* Compute the actual rto_min value */ +static inline u32 tcp_rto_min(struct sock *sk) +{ + struct dst_entry *dst = __sk_dst_get(sk); + u32 rto_min = TCP_RTO_MIN; + + if (dst && dst_metric_locked(dst, RTAX_RTO_MIN)) + rto_min = dst_metric_rtt(dst, RTAX_RTO_MIN); + return rto_min; +} + /* Compute the actual receive window we are currently advertising. * Rcv_nxt can be after the window if our peer push more data * than the offered window. @@ -912,7 +924,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb) POLLIN | POLLRDNORM | POLLRDBAND); if (!inet_csk_ack_scheduled(sk)) inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK, - (3 * TCP_RTO_MIN) / 4, + (3 * tcp_rto_min(sk)) / 4, TCP_RTO_MAX); } return 1; |