On Thu,  5 Mar 2026 09:38:52 +0800 Qingfang Deng wrote:

From: Felix Fietkau <nbd@nbd.name>

Only handles packets where the pppoe header length field matches the exact
packet length. Significantly improves rx throughput.

When running NAT traffic through a MediaTek MT7621 devices from a host
behind PPPoE to a host directly connected via ethernet, the TCP throughput
that the device is able to handle improves from ~130 Mbit/s to ~630 Mbit/s,
using fraglist GRO.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Qingfang Deng <dqfext@gmail.com>

Please add some selftests.
-- 
pw-bot: cr