On Fri, 12 Jul 2013 14:26:32 +0530 Jagdish Motwani <jagdish.motw...@elitecore.com> wrote:
> Hi list, > I am facing a strange issue with igb driver. > > If i set my mtu to 1000, then ping -s 1200 does not work. (the same > thing works with e1000e interface) > > On further debugging, i reached > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ec54d7d6e40b04c16dfce0e41e506198a20c8645 > > > Reverting the patch, i was able to ping. > > The commit message states that it is a fix for skb_over panic. Is > this fix still required? > > Regards, > Jagdish Motwani > Whether device receives packets bigger than MTU is undefined. It probably should never work but for some devices and sizes it does. Most devices size the receive buffer based on the MTU + VLAN header. If packet is bigger than that it is usually dropped. ------------------------------------------------------------------------------ See everything from the browser to the database with AppDynamics Get end-to-end visibility with application monitoring from AppDynamics Isolate bottlenecks and diagnose root cause in seconds. Start your free trial of AppDynamics Pro today! http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
