net: lan966x: Fix IGMP snooping when frames have vlan tag
In case an IGMP frame has a vlan tag, then the function lan966x_hw_offload couldn't figure out that is a IGMP frame. Therefore the SW thinks that the frame was already forward by the HW which is not true. Extend lan966x_hw_offload to pop the vlan tag if are any and then check for IGMP frames. Fixes: 47aeea0d ("net: lan966x: Implement the callback SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED ") Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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