net/mlx5e: Support TC encapsulation offloads with upper devices
When tunneling is used, some virtualizations systems set the (mlx5e) uplink device to be stacked under upper devices such as bridge or ovs internal port, where the VTEP IP address used for the encapsulation is set on that upper device. In order to support such use-cases, we also deal with a setup where the egress mirred device isn't representing a port on the HW e-switch to where the ingress device belongs. We use eswitch service function which returns the uplink and set it as the egress device of the tc encap rule. Fixes: a54e20b4 ("net/mlx5e: Add basic TC tunnel set action for SRIOV offloads") Signed-off-by: NHadar Hen Zion <hadarh@mellanox.com> Reviewed-by: NOr Gerlitz <ogerlitz@mellanox.com> Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
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