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authorVlad Yasevich <vladislav.yasevich@hp.com>2009-11-23 15:53:58 -0500
committerVlad Yasevich <vladislav.yasevich@hp.com>2009-11-23 15:53:58 -0500
commit245cba7e55929dc2b10b7d915bfba0168eeeed17 (patch)
tree768264e6c1666552ba30cf7849ef4a5c1549a6e5 /net/sctp/output.c
parenta242b41dedfe0fd51ab1c906daa703c09b196744 (diff)
downloadlinux-245cba7e55929dc2b10b7d915bfba0168eeeed17.tar.bz2
sctp: Remove useless last_time_used variable
The transport last_time_used variable is rather useless. It was only used when determining if CWND needs to be updated due to idle transport. However, idle transport detection was based on a Heartbeat timer and last_time_used was not incremented when sending Heartbeats. As a result the check for cwnd reduction was always true. We can get rid of the variable and just base our cwnd manipulation on the HB timer (like the code comment sais). We also have to call into the cwnd manipulation function regardless of whether HBs are enabled or not. That way we will detect idle transports if the user has disabled Heartbeats. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'net/sctp/output.c')
-rw-r--r--net/sctp/output.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 5cbda8f1ddfd..9e8e0ea844be 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -557,8 +557,6 @@ int sctp_packet_transmit(struct sctp_packet *packet)
struct timer_list *timer;
unsigned long timeout;
- tp->last_time_used = jiffies;
-
/* Restart the AUTOCLOSE timer when sending data. */
if (sctp_state(asoc, ESTABLISHED) && asoc->autoclose) {
timer = &asoc->timers[SCTP_EVENT_TIMEOUT_AUTOCLOSE];