From 89efea25cdceb9093e3f7fb717d3b4063f7f8749 Mon Sep 17 00:00:00 2001 From: Yevgeny Petrilin Date: Mon, 19 Dec 2011 21:53:38 +0000 Subject: [PATCH] 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: 1202d460b1df3a77fda66f4ba5f90ae3527dd42f Signed-off-by: Yevgeny Petrilin Signed-off-by: David S. Miller --- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 630a7c113ab7..e8d6ad2dce0a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -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++) -- 2.20.1