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Commit 89efea25 authored by Yevgeny Petrilin's avatar Yevgeny Petrilin Committed by David S. Miller
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mlx4_en: FIX: Setting default_qpn before using it 



When UDP RSS is enabled, we use same QPN for TCP and UDP ranges
The bug is that the default_qpn was used base UDP qpn before it
was set.
Fixes bug introduced in commit: 1202d460

Signed-off-by: default avatarYevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2ea744a5

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

+1 −1
Original line number Diff line number Diff line
@@ -898,11 +898,11 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv) 
	rss_context = ptr;

	rss_context->base_qpn = cpu_to_be32(ilog2(priv->rx_ring_num) << 24 |

					    (rss_map->base_qpn));

	rss_context->default_qpn = cpu_to_be32(rss_map->base_qpn);

	if (priv->mdev->profile.udp_rss) {

		rss_mask |=  MLX4_RSS_UDP_IPV4 | MLX4_RSS_UDP_IPV6;

		rss_context->base_qpn_udp = rss_context->default_qpn;

	}

	rss_context->default_qpn = cpu_to_be32(rss_map->base_qpn);

	rss_context->flags = rss_mask;

	rss_context->hash_fn = MLX4_RSS_HASH_TOP;

	for (i = 0; i < 10; i++)