From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vlad Zolotarov Subject: [PATCH net-next v2 5/5] ixgbevf: Add the appropriate ethtool ops to query RSS indirection table and key Date: Wed, 31 Dec 2014 19:40:39 +0200 Message-ID: <1420047639-10862-6-git-send-email-vladz@cloudius-systems.com> References: <1420047639-10862-1-git-send-email-vladz@cloudius-systems.com> Cc: gleb@cloudius-systems.com, avi@cloudius-systems.com, jeffrey.t.kirsher@intel.com, Vlad Zolotarov To: netdev@vger.kernel.org Return-path: Received: from mail-wg0-f44.google.com ([74.125.82.44]:64755 "EHLO mail-wg0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751563AbaLaRk7 (ORCPT ); Wed, 31 Dec 2014 12:40:59 -0500 Received: by mail-wg0-f44.google.com with SMTP id b13so22308877wgh.3 for ; Wed, 31 Dec 2014 09:40:58 -0800 (PST) In-Reply-To: <1420047639-10862-1-git-send-email-vladz@cloudius-systems.com> Sender: netdev-owner@vger.kernel.org List-ID: 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 v2: - Added a detailed description to the patch. --- drivers/net/ethernet/intel/ixgbevf/ethtool.c | 37 ++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c index cc0e5b7..255bbc8 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c +++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c @@ -792,6 +792,40 @@ static int ixgbevf_set_coalesce(struct net_device *netdev, return 0; } +static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev) +{ + 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 +843,9 @@ 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) -- 2.1.0