mirror of https://gitee.com/openkylin/linux.git
c406700cdf
This is based on the work done by Przemek Rudy in bug 70761 at bugzilla.kernel.org, but with some work done to disentagle and clarify things a bit. Similar to Przemek's work and other drivers, we're adding a padding of 16 here, but we're also disentangling mtu size calculations from max buffer size calculations a bit, and adding ETH_HLEN to the value written into ALX_MTU. Hopefully, with a bit more consistency and clarity, things behave better here. Sadly, I can only test in my alx-driven E2200, which worked just fine before this patch. In comment #58 of bug 70761, Eugene A. Shatokhin reports that this patch does help considerably for a ROSA Linux user of his with an AR8162 network adapter when patched into a 4.1.x-based kernel, with several days of normal operation where wired network previously wasn't usable without setting MTU to 9000 as a work-around. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70761 CC: "Eugene A. Shatokhin" <eugene.shatokhin@rosalab.ru> CC: Przemek Rudy <prudy1@o2.pl> CC: Jay Cliburn <jcliburn@gmail.com> CC: Chris Snook <chris.snook@gmail.com> CC: netdev@vger.kernel.org Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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