From: Alexander Duyck Date: Thu, 8 Sep 2016 03:28:17 +0000 (-0700) Subject: ixgbe: Limit reporting of redirection table if SR-IOV is enabled X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=fa81da7e5b261cf8010f65253661522d3ff71714;p=openwrt%2Fstaging%2Fblogic.git ixgbe: Limit reporting of redirection table if SR-IOV is enabled The hardware redirection table can support more queues then the PF currently has when SR-IOV is enabled. In order to account for this use the RSS mask to trim of the bits that are not used. Signed-off-by: Alexander Duyck Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 2d872be336bb..f49f80380aa5 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -2947,9 +2947,13 @@ static u32 ixgbe_rss_indir_size(struct net_device *netdev) static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir) { int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter); + u16 rss_m = adapter->ring_feature[RING_F_RSS].mask; + + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) + rss_m = adapter->ring_feature[RING_F_RSS].indices - 1; for (i = 0; i < reta_size; i++) - indir[i] = adapter->rss_indir_tbl[i]; + indir[i] = adapter->rss_indir_tbl[i] & rss_m; } static int ixgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,