netdev - Re: [PATCH -next] net: tcp: add mib counters to track zero window transitions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 24 Feb 2014 19:14:10 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	fw@...len.de
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH -next] net: tcp: add mib counters to track zero window
 transitions

From: Florian Westphal <fw@...len.de>
Date: Mon, 17 Feb 2014 22:57:48 +0100

> Three counters are added:
> - one to track when we went from non-zero to zero window
> - one to track the reverse
> - one counter incremented when we want to announce zero window.
> 
> The latter is added because it can show cases where we want to close the
> window but can't because we would shrink window.
> 
> Suggested-by: Eric Dumazet <edumazet@...gle.com>
> Signed-off-by: Florian Westphal <fw@...len.de>
> ---
>  Eric, is this what you had in mind?
> 
>  I re-ran my 'slow-sender-with-reader-that-does-not-drain-socket'
>  scenario and, as expected, only TCPWANTZEROWINDOW increases.

What is happening with this patch?  The discussion just died out.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html