net/mlx4_en: Align behavior of set ring size flow via ethtool

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In current implementation, any requested RX/TX ring size value
that is less than minimum is silently casted to nearest valid value.
Update this behavior to align with mlx5 behavior by printing warning
in dmesg and remaining the size unchanged.
Kernel is responsible for verifying against the maximum.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eugenia Emantayev 2018-01-08 16:00:25 +02:00 • committed by David S. Miller

parent 37e2d99b59

commit 7589fd5c8c

1 changed files with 13 additions and 4 deletions

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drivers/net/ethernet/mellanox/mlx4/en_ethtool.c

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