From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <1420658802-18061-1-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-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) In-Reply-To: <1420658802-18061-1-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 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) -- 2.1.0