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net/mlx4: fix UDP RSS related settings 

Using RSS which takes into account UDP headers is controlled by
a module param, fix the setting of the HW RSS context to align
with that scheme. So far it was uncoditionally allowing hashing
on the UDP headers.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2011-11-26 19:55:02 +00:00 committed by David S. Miller
parent 876f6e67d1
commit 1202d460b1
1 changed files with 5 additions and 3 deletions
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8
drivers/net/ethernet/mellanox/mlx4/en_rx.c
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@ -840,7 +840,7 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
struct mlx4_rss_context *rss_context; struct mlx4_rss_context *rss_context;
void *ptr; void *ptr;
u8 rss_mask = (MLX4_RSS_IPV4 | MLX4_RSS_TCP_IPV4 | MLX4_RSS_IPV6 | u8 rss_mask = (MLX4_RSS_IPV4 | MLX4_RSS_TCP_IPV4 | MLX4_RSS_IPV6 |
MLX4_RSS_TCP_IPV6 | MLX4_RSS_UDP_IPV4 | MLX4_RSS_UDP_IPV6); MLX4_RSS_TCP_IPV6);
int i, qpn; int i, qpn;
int err = 0; int err = 0;
int good_qps = 0; int good_qps = 0;
@ -883,14 +883,16 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
rss_context = ptr; rss_context = ptr;
rss_context->base_qpn = cpu_to_be32(ilog2(priv->rx_ring_num) << 24 | rss_context->base_qpn = cpu_to_be32(ilog2(priv->rx_ring_num) << 24 |
(rss_map->base_qpn)); (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->default_qpn = cpu_to_be32(rss_map->base_qpn);
rss_context->flags = rss_mask; rss_context->flags = rss_mask;
rss_context->hash_fn = MLX4_RSS_HASH_TOP; rss_context->hash_fn = MLX4_RSS_HASH_TOP;
for (i = 0; i < 10; i++) for (i = 0; i < 10; i++)
rss_context->rss_key[i] = rsskey[i]; rss_context->rss_key[i] = rsskey[i];
if (priv->mdev->profile.udp_rss)
rss_context->base_qpn_udp = rss_context->default_qpn;
err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, &context, err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, &context,
&rss_map->indir_qp, &rss_map->indir_state); &rss_map->indir_qp, &rss_map->indir_state);
if (err) if (err)