Re: ECN configuration not working

From: David S. Miller (davem@redhat.com)
Date: Sat Sep 09 2000 - 17:09:04 EST


   Date: Sat, 9 Sep 2000 20:22:41 +0200 (CEST)
   From: Linux Now <linuxnow@terra.es>

   If you just unset it in .config and echo 0 >
   /proc/sys/net/ipv4/tcp_ecn, it just acts as if it was enabled.

If you unset it in .config there is no possibility for
ECN _anything_ to occur from our networking code, period.

In this case, changing the tcp_ecn sysctl is a nop, it cannot change
the behavior of anything whatsoever. Some monster with a funny sense
of humor has crawled inside of your computer if changing the tcp_ecn
sysctl does anything when CONFIG_INET_ECN is not set.

Later,
David S. Miller
davem@redhat.com
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