netdev - Re: [PATCH] mac80211: rewrite fragmentation code

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]

Message-Id: <1210934338.4000.24.camel@johannes.berg>
Date:	Fri, 16 May 2008 12:38:58 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	David Miller <davem@...emloft.net>, herbert@...dor.apana.org.au,
	mb@...sch.de, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org, ron.rindjunsky@...el.com, tomasw@...il.com,
	ivdoorn@...il.com, peter.p.waskiewicz.jr@...el.com
Subject: Re: [PATCH] mac80211: rewrite fragmentation code


> I put a patch in to do exactly that at Herbert's prompting, for 2.6.26, but 
> it's buggy in (at least) two ways.  I have a fix for this, which adds a new 
> tasklet to xmit the packet.  There's still some subtle race, however, since 
> I'm still seeing a stuck packet.  I'll have to revert to TX_BUSY for 2.6.26 
> if I can't find it (unlikely).

Incidentally, mac80211 has a tasklet for this as well, and I'm pretty
sure it's also buggy in the corner cases (rather than inefficient or
something)

johannes

Download attachment "signature.asc" of type "application/pgp-signature" (829 bytes)