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mlx4_en: Verify number of RX rings doesn't exceed MAX_RX_RINGS

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Required in cases were dev->caps.num_comp_vectors > MAX_RX_RINGS.
For current values this would happen on machines that have more
then 16 cores.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yevgeny Petrilin 2008-12-29 18:38:21 -08:00 committed by David S. Miller
parent 68888d1053
commit c2b559ed86
1 changed files with 2 additions and 1 deletions
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3
drivers/net/mlx4/en_main.c
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@ -170,7 +170,8 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
mlx4_info(mdev, "Using %d tx rings for port:%d\n",
mdev->profile.prof[i].tx_ring_num, i);
if (!mdev->profile.prof[i].rx_ring_num) {
mdev->profile.prof[i].rx_ring_num = dev->caps.num_comp_vectors;
mdev->profile.prof[i].rx_ring_num =
min_t(int, dev->caps.num_comp_vectors, MAX_RX_RINGS);
mlx4_info(mdev, "Defaulting to %d rx rings for port:%d\n",
mdev->profile.prof[i].rx_ring_num, i);
} else