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net/mlx5e: Use vport MTU rather than physical port MTU

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Set and report vport MTU rather than physical MTU,
Driver will set both vport and physical port mtu and will
rely on the query of vport mtu.

SRIOV VFs have to report their MTU to their vport manager (PF),
and this will allow them to work with any MTU they need
without failing the request.

Also for some cases where the PF is not a port owner, PF can
work with MTU less than the physical port mtu if set physical
port mtu didn't take effect.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Saeed Mahameed
2016-04-22 00:33:05 +03:00
committed by David S. Miller
parent d8edd2469a
commit cd255efff9
3 changed files with 77 additions and 9 deletions
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include/linux/mlx5/vport.h
+2
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@@ -45,6 +45,8 @@ int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
u16 vport, u8 *addr);
int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *dev,
u16 vport, u8 *addr);
int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu);
int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu);
int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,
u64 *system_image_guid);
int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid);