From e65ce0d395c2822e568faedad8bcf5770d3cdcdf Mon Sep 17 00:00:00 2001 From: Vlad Zolotarov Date: Mon, 30 Mar 2015 21:35:24 +0300 Subject: ixgbe: Add a new netdev op to allow/prevent a VF from querying an RSS info Implements the new netdev op to allow user to enable/disable the ability of a specific VF to query its RSS Indirection Table and an RSS Hash Key. This patch limits the new feature support to 82599 and x540 devices only. Support for other devices will be added later. Signed-off-by: Vlad Zolotarov Tested-by: Phil Schmitt Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 34 ++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c') diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 2d98ecdbd3d6..94fc43a5f9f7 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -106,9 +106,18 @@ static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter) adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE | IXGBE_FLAG2_RSC_ENABLED); - /* enable spoof checking for all VFs */ - for (i = 0; i < adapter->num_vfs; i++) + for (i = 0; i < adapter->num_vfs; i++) { + /* enable spoof checking for all VFs */ adapter->vfinfo[i].spoofchk_enabled = true; + + /* We support VF RSS querying only for 82599 and x540 + * devices at the moment. These devices share RSS + * indirection table and RSS hash key with PF therefore + * we want to disable the querying by default. + */ + adapter->vfinfo[i].rss_query_enabled = 0; + } + return 0; } @@ -1331,6 +1340,26 @@ int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting) return 0; } +int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf, + bool setting) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + + /* This operation is currently supported only for 82599 and x540 + * devices. + */ + if (adapter->hw.mac.type < ixgbe_mac_82599EB || + adapter->hw.mac.type >= ixgbe_mac_X550) + return -EOPNOTSUPP; + + if (vf >= adapter->num_vfs) + return -EINVAL; + + adapter->vfinfo[vf].rss_query_enabled = setting; + + return 0; +} + int ixgbe_ndo_get_vf_config(struct net_device *netdev, int vf, struct ifla_vf_info *ivi) { @@ -1344,5 +1373,6 @@ int ixgbe_ndo_get_vf_config(struct net_device *netdev, ivi->vlan = adapter->vfinfo[vf].pf_vlan; ivi->qos = adapter->vfinfo[vf].pf_qos; ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled; + ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled; return 0; } -- cgit v1.2.3-59-g8ed1b