Commit 65883371 authored Apr 30, 2010 by Vlad Yasevich

sctp: rwnd_press should be cumulative



rwnd_press tracks the pressure on the recieve window.  Every
timer the receive buffer overlows, we truncate the receive
window and then grow it back.  However, if we don't track
the cumulative presser, it's possible to reach a situation
when receive buffer is empty, but rwnd stays truncated.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>

parent cf9b4812

net/sctp/associola.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1482,7 +1482,7 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned len)
		if (asoc->rwnd >= len) {
		asoc->rwnd -= len;
		if (over) {
		asoc->rwnd_press = asoc->rwnd;
		asoc->rwnd_press += asoc->rwnd;
		asoc->rwnd = 0;
		}
		} else {