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| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2016-09-07 20:28:17 -0700 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2016-09-23 00:20:18 -0700 |
| commit | fa81da7e5b261cf8010f65253661522d3ff71714 (patch) | |
| tree | 1336cafaefc188c7cb89390c9f6ba44b83dc1052 /drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | |
| parent | ixgbe: Allow setting multiple queues when SR-IOV is enabled (diff) | |
| download | linux-dev-fa81da7e5b261cf8010f65253661522d3ff71714.tar.xz linux-dev-fa81da7e5b261cf8010f65253661522d3ff71714.zip | |
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 <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 6 |
1 files changed, 5 insertions, 1 deletions
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, |