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FS#3835 - [MT7621] Hardware flow offloading doesn't work for PPPoE #8837

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openwrt-bot opened this issue May 29, 2021 · 9 comments
Open

FS#3835 - [MT7621] Hardware flow offloading doesn't work for PPPoE #8837

openwrt-bot opened this issue May 29, 2021 · 9 comments
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flyspray release/21.02

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@openwrt-bot openwrt-bot commented May 29, 2021

xesarni:

Netgear R6220
OpenWrt 21.02-SNAPSHOT r16122-c213

Hardware flow offloading doesn't work for PPPoE with VLAN (802.1q), so LAN to WAN is slow and CPU heavy. It does work on 19,07, though.

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@openwrt-bot openwrt-bot commented Jul 16, 2021

drygdryg:

I observe this issue on [[https://openwrt.org/inbox/toh/xiaomi/xiaomi_mi_router_4a_gigabit_edition|Xiaomi Mi Router 4A gigabit edition]] with OpenWrt 21.02-rc3 (r16172-2aba3e9784). The WAN to LAN download speed is about 20 Mbps on the 100 Mbps channel, while the upload speed is OK.

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@openwrt-bot openwrt-bot commented Jul 16, 2021

xesarni:

https://forum.openwrt.org/t/openwrt-21-02-0-second-release-candidate/98026/126

Hardware flow offloading does not work with VLANs because it needs the 5.10 (or newer) kernel. Don't know if the PPPoE is also affected because I'm unable to test it without a VLAN.

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@openwrt-bot openwrt-bot commented Oct 8, 2021

hck:

I am running 21.02.0 on MT7621 device.
DHCP connection over 802.1q VLAN - 1Gb/s with 0% sirq.
PPPoE connection over DSA wan port - 100Mb/s with 20% sirq.
Looks like HW offloding works for VLAN and doesn't for PPPoE.

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@openwrt-bot openwrt-bot commented Nov 12, 2021

lessload:

Problem found on all MT7621 that i have.
Seem like Hardware flow offloading not work with PPPoE.
Make me rollback all device to 19.07

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@openwrt-bot openwrt-bot commented Dec 12, 2021

szluki:

Is it possible to use kernel 5.10 for MT7621, since it supports Hardware flow offloading for PPPoE?

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@openwrt-bot openwrt-bot commented Dec 15, 2021

mrlamud:

F.Y.I

As of December 14 2021, Snapshot using kernel 5.10 and hardware offloading seems to work on PPPOE (may be on vlans, too). You can get decent download and upload speed.

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@openwrt-bot openwrt-bot commented Dec 16, 2021

xesarni:

Yes, hardware offloading does work (including PPPoE & VLANs) when using kernel 5.10.

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@openwrt-bot openwrt-bot commented Jan 2, 2022

szluki:

Since I've been using kernel 5.10 everything it's been fine. 17 days without rebooting and performance close to 1GB/s maximum when using VLAN and PPOE. Thanks for the info.

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@openwrt-bot openwrt-bot commented Jan 3, 2022

goldenhunter:

well, it is a big problem for branch 21.02 , do the ppp support can be porting to kernel 5.4 ?

@aparcar aparcar added the release/21.02 label Feb 22, 2022
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