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| author |   David S. Miller <davem@davemloft.net> | 2012-07-09 16:19:30 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-07-10 20:33:49 -0700 |
| commit | ab92bb2f679d66c7e12a6b1c0cdd76fe308f6546 (patch) | |
| tree | 39ba3d67d7691f65a2d67ec782edd83271a2a654 /net/ipv4/tcp_metrics.c | |
| parent | tcp: Move dynamnic metrics handling into seperate file. (diff) | |
| download | linux-dev-ab92bb2f679d66c7e12a6b1c0cdd76fe308f6546.tar.xz linux-dev-ab92bb2f679d66c7e12a6b1c0cdd76fe308f6546.zip | |
tcp: Abstract back handling peer aliveness test into helper function.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_metrics.c')
| -rw-r--r-- | net/ipv4/tcp_metrics.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 2793ecf928d3..9afe703c85cc 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -1,7 +1,9 @@ +#include <linux/module.h> #include <linux/cache.h> #include <linux/tcp.h> #include <net/inet_connection_sock.h> +#include <net/request_sock.h> #include <net/sock.h> #include <net/dst.h> #include <net/tcp.h> @@ -190,3 +192,11 @@ reset: tp->snd_cwnd = tcp_init_cwnd(tp, dst); tp->snd_cwnd_stamp = tcp_time_stamp; } + +bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst) +{ + if (!dst) + return false; + return dst_metric(dst, RTAX_RTT) ? true : false; +} +EXPORT_SYMBOL_GPL(tcp_peer_is_proven); |