On Fri, 22 Jan 2016 22:03:55 +0100 ?lvaro Fern?ndez Rojas <noltari at gmail.com> wrote:> From linux-4.2 there's a "hw csum failure" for bridges using hardware > checksums when IPv6 multicast traffic is received. > > Here are some reports: > https://lkml.org/lkml/2015/12/1/699 > https://bugzilla.redhat.com/show_bug.cgi?id=1266601 > https://discourse.osmc.tv/t/hw-csum-failure/9990 > https://github.com/raspberrypi/linux/issues/1259 > > I think it may have been introduced in commit > 9afd85c9e4552b276e2f4cfefd622bdeeffbbf26 (net: Export IGMP/MLD message > validation code) but I haven't done any tests to confirm it. > Any help on this issue would be really appreciated. > > Regards, > ?lvaro.What hardware? You missed the kernel bugzilla? If it was reported there I would have forwarded it to netdev at vger.kernel.org. Can you reproduce it with 4.4?
Álvaro Fernández Rojas
2016-Jan-22 22:38 UTC
[Bridge] hw csum failure introduced in linux-4.2
Yes, I could reproduce it on OpenWrt using linux-4.4 on a Raspberry Pi 2. https://gist.github.com/Noltari/5b1cfdecce5ed4bc08fd No, I didn't open any issue on the kernel bugzilla. If you want me to report it somewhere else I don't have any problem with it. Regards, ?lvaro. El 22/01/2016 a las 22:10, Stephen Hemminger escribi?:> On Fri, 22 Jan 2016 22:03:55 +0100 > ?lvaro Fern?ndez Rojas <noltari at gmail.com> wrote: > >> From linux-4.2 there's a "hw csum failure" for bridges using hardware >> checksums when IPv6 multicast traffic is received. >> >> Here are some reports: >> https://lkml.org/lkml/2015/12/1/699 >> https://bugzilla.redhat.com/show_bug.cgi?id=1266601 >> https://discourse.osmc.tv/t/hw-csum-failure/9990 >> https://github.com/raspberrypi/linux/issues/1259 >> >> I think it may have been introduced in commit >> 9afd85c9e4552b276e2f4cfefd622bdeeffbbf26 (net: Export IGMP/MLD message >> validation code) but I haven't done any tests to confirm it. >> Any help on this issue would be really appreciated. >> >> Regards, >> ?lvaro. > What hardware? You missed the kernel bugzilla? If it was reported > there I would have forwarded it to netdev at vger.kernel.org. > > Can you reproduce it with 4.4?