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. > > > > Thanks for looking into this problem. > > I would prefer to not delay the release any further and will take care > of this after the release. Did you test this and see improvements in > your scenarios? > > Hauke
Not yet, and can't until I return home. No objections to making this a .1 material. -- Alexander E. Patrakov CV: http://u.pc.cd/wT8otalK _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
