From patchwork Thu Mar 26 17:56:39 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vlad Zolotarov X-Patchwork-Id: 455182 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 F376B14012C for ; Fri, 27 Mar 2015 04:56:54 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752413AbbCZR4t (ORCPT ); Thu, 26 Mar 2015 13:56:49 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:34199 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751764AbbCZR4q (ORCPT ); Thu, 26 Mar 2015 13:56:46 -0400 Received: by wibg7 with SMTP id g7so22144486wib.1 for ; Thu, 26 Mar 2015 10:56:45 -0700 (PDT) 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=SglQCgX0JGTpuRPIBl+HBlH1r2ht5Sqq5k1otmLV9a8=; b=FfTVohTyKEMbFPZGYncgPxsRutoVkseosANBcI/lT43idZK/bM8NZRvUB3IB57z2nM VOBwQ+NFKMjxnt/ygm7X6v7b+SgyhEH854UlyaFJeALnw/ECD0qGKFKcKxMFkaxXOOCj eXtiQSL0NqPlRREhdLmn9SnF5h1rcY1Z/ij8MGcW3lLj90DR577ngQhxJtXE4KB8if0n QQXVfUXirhSmaFORFfj3mqMNkYb/Qtbj5kwrQuWLFbRiqFKyXn6YL5oO5dzZO4ordVmz tswGAF2/UGKiMovx9aMWlVH4mC/HFh1CMWilD2iSfa/bmJNX18qX8l8tPG7xeHQSluDD 818w== X-Gm-Message-State: ALoCoQkli10YIxQUCx16MenqiBRkiFnwO6njcmLcG4Aeme+528t9jUqhVXWMHCSSeLhkTViu7Buj X-Received: by 10.180.74.202 with SMTP id w10mr50652691wiv.0.1427392605322; Thu, 26 Mar 2015 10:56:45 -0700 (PDT) Received: from vladz-laptop.cloudius-systems.com. ([212.143.139.214]) by mx.google.com with ESMTPSA id gj16sm9944899wic.24.2015.03.26.10.56.44 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 Mar 2015 10:56:44 -0700 (PDT) From: Vlad Zolotarov To: netdev@vger.kernel.org Cc: jeffrey.t.kirsher@intel.com, intel-wired-lan@lists.osuosl.org, avi@cloudius-systems.com, gleb@cloudius-systems.com, Vlad Zolotarov Subject: [PATCH net-next v1 2/2] ixgbe: Add the appropriate ethtool ops to query RSS indirection table and key Date: Thu, 26 Mar 2015 19:56:39 +0200 Message-Id: <1427392599-18184-3-git-send-email-vladz@cloudius-systems.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1427392599-18184-1-git-send-email-vladz@cloudius-systems.com> References: <1427392599-18184-1-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 "--show-rxfh[-indir]" options. Signed-off-by: Vlad Zolotarov --- drivers/net/ethernet/intel/ixgbe/ixgbe.h | 1 + drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 42 ++++++++++++++++++++++++ drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +- 3 files changed, 44 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 402d182..b17bbef 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -957,4 +957,5 @@ void ixgbe_sriov_reinit(struct ixgbe_adapter *adapter); netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct ixgbe_adapter *adapter, struct ixgbe_ring *tx_ring); +u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter); #endif /* _IXGBE_H_ */ diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 02ffb30..a4423ea 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -2853,6 +2853,45 @@ static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) return ret; } +static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + + return sizeof(adapter->rss_key); +} + +static u32 ixgbe_rss_indir_size(struct net_device *netdev) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + + return ixgbe_rss_indir_tbl_entries(adapter); +} + +static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir) +{ + int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter); + + for (i = 0; i < reta_size; i++) + indir[i] = adapter->rss_indir_tbl[i]; +} + +static int ixgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, + u8 *hfunc) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + + if (hfunc) + *hfunc = ETH_RSS_HASH_TOP; + + if (indir) + ixgbe_get_reta(adapter, indir); + + if (key) + memcpy(key, adapter->rss_key, ixgbe_get_rxfh_key_size(netdev)); + + return 0; +} + static int ixgbe_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) { @@ -3110,6 +3149,9 @@ static const struct ethtool_ops ixgbe_ethtool_ops = { .set_coalesce = ixgbe_set_coalesce, .get_rxnfc = ixgbe_get_rxnfc, .set_rxnfc = ixgbe_set_rxnfc, + .get_rxfh_indir_size = ixgbe_rss_indir_size, + .get_rxfh_key_size = ixgbe_get_rxfh_key_size, + .get_rxfh = ixgbe_get_rxfh, .get_channels = ixgbe_get_channels, .set_channels = ixgbe_set_channels, .get_ts_info = ixgbe_get_ts_info, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index e3de0c9..a0db522 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -3237,7 +3237,7 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, * - X550(non-SRIOV mode): 512 * - X550(SRIOV mode): 64 */ -static u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter) +u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter) { if (adapter->hw.mac.type < ixgbe_mac_X550) return 128;