net: dsa: sja1105: increase MTU to account for VLAN header on DSA ports

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Since all packets are transmitted as VLAN-tagged over a DSA link (this
VLAN tag represents the tag_8021q header), we need to increase the MTU
of these interfaces to account for the possibility that we are already
transporting a user-visible VLAN header.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Vladimir Oltean 2021-08-04 16:54:34 +03:00 • committed by David S. Miller

parent c513002980

commit 777e55e30d

1 changed files with 2 additions and 2 deletions

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4

drivers/net/dsa/sja1105/sja1105_main.c

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