vdpa/mlx5: reuse common function for MAC address updates

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Factor out MAC address update logic and reuse it from handle_ctrl_mac().

This ensures that old MAC entries are removed from the MPFS table
before adding a new one and that the forwarding rules are updated
accordingly. If updating the flow table fails, the original MAC and
rules are restored as much as possible to keep the software and
hardware state consistent.

Signed-off-by: Cindy Lu <lulu@redhat.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20260126094848.9601-3-lulu@redhat.com>

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Cindy Lu 2026-01-26 17:45:37 +08:00 • committed by Michael S. Tsirkin

parent 719d959274

commit 2f61e6eda7

1 changed files with 71 additions and 60 deletions

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drivers/vdpa/mlx5/net/mlx5_vnet.c

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