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net/mlx5e: Modify uplink state on interface up/down
When setting the PF interface up/down, notify the firmware to update uplink state via MODIFY_VPORT_STATE, when E-Switch is enabled. This behavior will prevent sending traffic out on uplink port when PF is down, such as sending traffic from a VF interface which is still up. Currently when calling mlx5e_open/close(), the driver only sends PAOS command to notify the firmware to set the physical port state to up/down, however, it is not sufficient. When VF is in "auto" state, it follows the uplink state, which was not updated on mlx5e_open/close() before this patch. When switchdev mode is enabled and uplink representor is first enabled, set the uplink port state value back to its FW default "AUTO". Fixes: 63bfd39 ("net/mlx5e: Send PAOS command on interface up/down") Signed-off-by: Ron Diskin <rondi@mellanox.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Ron Diskin
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Saeed Mahameed
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Jul 28, 2020
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