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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 30 Oct 2014 11:22:19 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Or Gerlitz <ogerlitz@...lanox.com>, Tom Herbert <therbert@...gle.com> Cc: "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org, Matan Barak <matanb@...lanox.com>, Amir Vadai <amirv@...lanox.com>, Saeed Mahameed <saeedm@...lanox.com>, Shani Michaeli <shanim@...lanox.com>, Jerry Chu <hkchu@...gle.com> Subject: Re: [PATCH net-next 8/8] net/mlx4_en: Extend checksum offloading by CHECKSUM COMPLETE On Thu, 2014-10-30 at 18:06 +0200, Or Gerlitz wrote: > From: Shani Michaeli <shanim@...lanox.com> > > When processing received traffic, pass CHECKSUM_COMPLETE status to the > stack, with calculated checksum for non TCP/UDP packets (such > as GRE or ICMP). > > Although the stack expects checksum which doesn't include the pseudo > header, the HW adds it. To address that, we are subtracting the pseudo > header checksum from the checksum value provided by the HW. > > In the IPv6 case, we also compute/add the IP header checksum which > is not added by the HW for such packets. > > Cc: Jerry Chu <hkchu@...gle.com> > Signed-off-by: Shani Michaeli <shanim@...lanox.com> > Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com> > --- Awesome ! -- 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
Powered by blists - more mailing lists