netdev - RE: [PATCH 2/2] IB/ipoib: fix GRO merge failure for IPoIB originated TCP streams

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 for Android: free password hash cracker in your pocket

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

Date:	Fri, 3 Feb 2012 07:18:59 +0000
From:	"Hefty, Sean" <sean.hefty@...el.com>
To:	Or Gerlitz <ogerlitz@...lanox.com>
CC:	linux-rdma <linux-rdma@...r.kernel.org>,
	Shlomo Pongratz <shlomop@...lanox.com>,
	Roland Dreier <roland@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: RE: [PATCH 2/2] IB/ipoib: fix GRO merge failure for IPoIB
 originated TCP streams

> Hi Sean, this is the patch posted earlier by Eric enhanced to
> have IPoIB to set gro_mac_header_len to the ipoib header len, does
> it make things to work okay for you?

I ran a quick test.  It helps some, but the performance for streaming packets in one direction is still only 0.11 Gbps.  It should be closer to 10-15 Gbps for ipoib on my systems.

- Sean
--
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