net: dsa: tag_dsa: Allow forwarding of redirected IGMP traffic

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When receiving an IGMP/MLD frame with a TO_CPU tag, the switch has not
performed any forwarding of it. This means that we should not set the
offload_fwd_mark on the skb, in case a software bridge wants it
forwarded.

This is a port of:

1ed9ec9b08 ("dsa: Allow forwarding of redirected IGMP traffic")

Which corrected the issue for chips using EDSA tags, but not for those
using regular DSA tags.

Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

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Tobias Waldekranz 2020-11-15 00:45:56 +01:00 • committed by Jakub Kicinski

parent 72308ecbf3

commit e468d141b9

1 changed files with 29 additions and 3 deletions

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net/dsa/tag_dsa.c

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