From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33445 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755268AbbJAJWW (ORCPT ); Thu, 1 Oct 2015 05:22:22 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Eric Dumazet , Eyal Perry , Amir Vadai , Or Gerlitz , "David S. Miller" Subject: [PATCH 4.2 15/30] net/mlx4_en: really allow to change RSS key Date: Thu, 1 Oct 2015 11:21:37 +0200 Message-Id: <20151001092038.855318266@linuxfoundation.org> In-Reply-To: <20151001092038.213304276@linuxfoundation.org> References: <20151001092038.213304276@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: stable-owner@vger.kernel.org List-ID: 4.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Eric Dumazet [ Upsteam commit 4671fc6d47e0a0108fe24a4d830347d6a6ef4aa7 ] When changing rss key, we do not want to overwrite user provided key by the one provided by netdev_rss_key_fill(), which is the host random key generated at boot time. Fixes: 947cbb0ac242 ("net/mlx4_en: Support for configurable RSS hash function") Signed-off-by: Eric Dumazet Cc: Eyal Perry CC: Amir Vadai Acked-by: Or Gerlitz Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 2 -- 1 file changed, 2 deletions(-) --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -1250,8 +1250,6 @@ int mlx4_en_config_rss_steer(struct mlx4 rss_context->hash_fn = MLX4_RSS_HASH_TOP; memcpy(rss_context->rss_key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE); - netdev_rss_key_fill(rss_context->rss_key, - MLX4_EN_RSS_KEY_SIZE); } else { en_err(priv, "Unknown RSS hash function requested\n"); err = -EINVAL;