On Wed, 1 Sept 2021 at 11:56, Alexander E. Patrakov <patra...@gmail.com> wrote: > > Hauke Mehrtens <ha...@hauke-m.de>: > > > > > On 8/31/21 1:52 PM, Alexander E. Patrakov wrote: > > > Hauke Mehrtens wrote: > > > > > >> We did the 21.02-rc4, but there is still a problem with flow offloading > > >> as this was not fixed. The other problems should be fixed now. > > > > > >> ... > > > > > >> Some more information can be found here: > > >> https://forum.openwrt.org/t/software-flow-offloading-and-conntrack-timeouts/74588 > > >> https://bugs.openwrt.org/index.php?do=details&task_id=3373 > > >> https://bugs.openwrt.org/index.php?do=details&task_id=3759 > > > > > >> It could be that this change causes the problems: > > >> https://patchwork.ozlabs.org/project/netdev/patch/20180720130906.27687-3-pa...@netfilter.org/ > > > > > >> I do not know how much time and interest I have in debugging and fixing > > >> this problem. If someone wants to have a closer look into this problem > > >> it would be really nice. even when you can make it easier to reproduce > > >> it in a test environment it would be nice. > > > > > > There is no need to debug this problem. Just revert the patch, because > > > the upstream kernel history looks like this: > > > > > > Jun 15, 2018, e97d940: flow offload pickup timeouts were changed to > > > hard-coded values, 120 seconds for TCP and 30 seconds for UDP, because > > > the author had a concern with the "established" timeout to be too huge > > > for this purpose. > > > Jun 3, 2021, 1d91d2e: sysctls are introduced so that the timeouts for > > > picking up offloaded flows are configurable, because they were too low > > > for some use cases. > > > Aug 4, 2021, 4592ee7: the timeouts were bumped again to their old > > > "established" values, sysctls are removed, the motivation is, > > > essentially, that the pickup timeouts were effectively acting like the > > > new version of established timeouts. > > > > > > I.e., the patch was effectively reverted upstream. > > >
I'd be happy to try it soon if you could point me to the specific commit. I can reproduce the issue quite easily here. Thanks! _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
