From: Andrew Lunn <and...@lunn.ch> Date: Thu, 6 Dec 2018 11:36:03 +0100
> DSA makes use of additional headers to direct a frame in/out of a > specific port of the switch. When the slave interfaces uses an MTU of > 1500, the master interface can be asked to handle frames with an MTU > of 1504, or 1508 bytes. Some Ethernet interfaces won't > transmit/receive frames which are bigger than their MTU. > > Automate the increasing of the MTU on the master interface, by adding > to each tagging driver how much overhead they need, and then calling > dev_set_mtu() of the master interface to increase its MTU as needed. Series applied, thanks Andrew.