From patchwork Wed Jan 7 19:26:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vlad Zolotarov X-Patchwork-Id: 426384 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 020AF14011B for ; Thu, 8 Jan 2015 06:27:17 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754636AbbAGT1N (ORCPT ); Wed, 7 Jan 2015 14:27:13 -0500 Received: from mail-wi0-f177.google.com ([209.85.212.177]:50357 "EHLO mail-wi0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754308AbbAGT1F (ORCPT ); Wed, 7 Jan 2015 14:27:05 -0500 Received: by mail-wi0-f177.google.com with SMTP id l15so2361473wiw.4 for ; Wed, 07 Jan 2015 11:27:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=zNf8ZALA7q3gz5ndEpfmD/ykZaztvhzBvWwaxtwXo28=; b=YB1EhtZENd4l+LOMFgZVOdPJluF+0T3/81p0B5Jk6Oq3BT+lgqZd5101KSr0Mjj31U aD21Kib67JB3WiP7oQ71TpJ576Z27weqfgy2ZiqjNZ43yS41YarhoppzeFP0QSBwENeb i98iAedPKEGjTZtD3AzoG3kZ+O1mSGRRAM10HW8aKSZH5qfQ3R41Ztl/j63WH23W7tAa Hk+cthdhxICRUjQ0Nrfh2y7bFd4vnBbJM0iGwKBZ+r2UhXZ7bfNOMHi34s0WAjc/E+Ut pTN2HSZawmCAYP4pNadzLFkke2M4qTTMt7A8PJZYKQJp710OUe/2oGJiD43YwQgSPidg 85rg== X-Gm-Message-State: ALoCoQlQeEFS29FuGvnjUN72xpzxpJfqva7K7NNzCROJiymkiEvsl2BM3TD1ov40RvoTiVh6VrgX X-Received: by 10.180.81.169 with SMTP id b9mr10554036wiy.41.1420658824736; Wed, 07 Jan 2015 11:27:04 -0800 (PST) Received: from vladz-laptop.localdomain ([109.66.164.96]) by mx.google.com with ESMTPSA id cs8sm19008663wib.1.2015.01.07.11.27.03 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 07 Jan 2015 11:27:04 -0800 (PST) From: Vlad Zolotarov To: netdev@vger.kernel.org Cc: gleb@cloudius-systems.com, avi@cloudius-systems.com, jeffrey.t.kirsher@intel.com, Vlad Zolotarov Subject: [PATCH net-next v5 7/7] ixgbevf: Add the appropriate ethtool ops to query RSS indirection table and key Date: Wed, 7 Jan 2015 21:26:42 +0200 Message-Id: <1420658802-18061-8-git-send-email-vladz@cloudius-systems.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1420658802-18061-1-git-send-email-vladz@cloudius-systems.com> References: <1420658802-18061-1-git-send-email-vladz@cloudius-systems.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Added get_rxfh_indir_size, get_rxfh_key_size and get_rxfh ethtool_ops callbacks implementations. This enables the ethtool's "-x" and "-n rx-flow-hash" options for 82599 VF devices. Signed-off-by: Vlad Zolotarov --- New in v4: - Removed not needed braces in if-statement in ixgbevf_get_rxfh_indir_size(). New in v3: - Added a proper support for x550 devices: return the correct redirection table size. New in v2: - Added a detailed description to the patch. --- drivers/net/ethernet/intel/ixgbevf/ethtool.c | 42 ++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c index cc0e5b7..ddf2d82 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c +++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c @@ -792,6 +792,45 @@ static int ixgbevf_set_coalesce(struct net_device *netdev, return 0; } +static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + + if (adapter->hw.mac.type >= ixgbe_mac_X550_vf) + return 64; + else + return 128; +} + +static u32 ixgbevf_get_rxfh_key_size(struct net_device *netdev) +{ + return 40; +} + +static int ixgbevf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, + u8 *hfunc) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + int err; + + if (hfunc) + *hfunc = ETH_RSS_HASH_TOP; + + if (indir) { + err = ixgbevf_get_reta(&adapter->hw, indir); + if (err) + return err; + } + + if (key) { + err = ixgbevf_get_rss_key(&adapter->hw, key); + if (err) + return err; + } + + return 0; +} + static const struct ethtool_ops ixgbevf_ethtool_ops = { .get_settings = ixgbevf_get_settings, .get_drvinfo = ixgbevf_get_drvinfo, @@ -809,6 +848,9 @@ static const struct ethtool_ops ixgbevf_ethtool_ops = { .get_ethtool_stats = ixgbevf_get_ethtool_stats, .get_coalesce = ixgbevf_get_coalesce, .set_coalesce = ixgbevf_set_coalesce, + .get_rxfh_indir_size = ixgbevf_get_rxfh_indir_size, + .get_rxfh_key_size = ixgbevf_get_rxfh_key_size, + .get_rxfh = ixgbevf_get_rxfh, }; void ixgbevf_set_ethtool_ops(struct net_device *netdev)