net/mlx5e: Don't try to modify CQ moderation if it is not supported

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[ Upstream commit 7524a5d88b ]

If CQ moderation is not supported by the device, print a warning on
netdevice load, and return error when trying to modify/query cq
moderation via ethtool.

Fixes: f62b8bb8f2 ('net/mlx5: Extend mlx5_core to support ConnectX-4
Ethernet functionality')
Signed-off-by: Gal Pressman <galp@mellanox.com>

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Gal Pressman 2016-03-02 00:13:37 +02:00 • committed by Greg Kroah-Hartman

parent 4ab4d8c00b

commit 3b763fc8f0

2 changed files with 12 additions and 6 deletions

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6

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c

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12

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

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