mlx4_en: set number of rx rings used by RSS using ethtool

Value must be a power of 2 due to HW limitation.
Driver supports only 'equal' mode in ethtool and can't be set by using weights.

Signed-off-by: Amir Vadai <amirv@mellanox.co.il>
Reviewed-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c
index a06096fcc0b8..2097a7d3c5b8 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c
@@ -62,10 +62,6 @@ static const char mlx4_en_version[] =
  * Device scope module parameters
  */
 
-
-/* Enable RSS TCP traffic */
-MLX4_EN_PARM_INT(tcp_rss, 1,
-                 "Enable RSS for incomming TCP traffic or disabled (0)");
 /* Enable RSS UDP traffic */
 MLX4_EN_PARM_INT(udp_rss, 1,
                  "Enable RSS for incomming UDP traffic or disabled (0)");
@@ -104,7 +100,6 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
         struct mlx4_en_profile *params = &mdev->profile;
         int i;
 
-        params->tcp_rss = tcp_rss;
         params->udp_rss = udp_rss;
         if (params->udp_rss && !(mdev->dev->caps.flags
                                         & MLX4_DEV_CAP_FLAG_UDP_RSS)) {
@@ -120,6 +115,7 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
                 params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE;
                 params->prof[i].tx_ring_num = MLX4_EN_NUM_TX_RINGS +
                         (!!pfcrx) * MLX4_EN_NUM_PPP_RINGS;
+                params->prof[i].rss_rings = 0;
         }
 
         return 0;