netdev - Re: tg3 issue with tcp checksums and vlan packets

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:	Tue, 16 Sep 2014 09:54:35 -0700
From:	Michael Chan <mchan@...adcom.com>
To:	Vlad Yasevich <vyasevich@...il.com>
CC:	Prashant Sreedharan <prashant@...adcom.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: tg3 issue with tcp checksums and vlan packets

On Tue, 2014-09-16 at 12:43 -0400, Vlad Yasevich wrote: 
> Prashant and Michael
> 
> I am seeing a strange issue with tg3 driver when I try to pass to it tcp packets
> that have partial checksums and inline (non-accelerated) vlan header.
> 

Are you disabling NETIF_F_HW_VLAN_CTAG_TX?  I believe TX checksum and
TSO won't work.  We need to add some code to disable both when VLAN
acceleration is disabled.


--
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