summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
diff options
context:
space:
mode:
authorDon Skidmore2014-11-18 10:35:08 +0100
committerJeff Kirsher2014-12-05 18:13:06 +0100
commit0f9b232b176d5cf279fc945addf1e768571b35b3 (patch)
treec828050a46cd521ef0a9e51778c19abb807cbcf2 /drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
parentixgbe: remove CIAA/D register reads from bad VF check (diff)
downloadkernel-qcow2-linux-0f9b232b176d5cf279fc945addf1e768571b35b3.tar.gz
kernel-qcow2-linux-0f9b232b176d5cf279fc945addf1e768571b35b3.tar.xz
kernel-qcow2-linux-0f9b232b176d5cf279fc945addf1e768571b35b3.zip
ixgbe: add support for X550 extended RSS support
The new X550 family of MAC's will have a larger RSS hash (16 -> 64). It will also support individual VF to have their own independent RSS hash key. This patch will enable this functionality Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@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.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index 26fd85e2bca5..e5be0dd508de 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -2927,7 +2927,7 @@ static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
max_combined = IXGBE_MAX_FDIR_INDICES;
} else {
/* support up to 16 queues with RSS */
- max_combined = IXGBE_MAX_RSS_INDICES;
+ max_combined = ixgbe_max_rss_indices(adapter);
}
return max_combined;
@@ -2975,6 +2975,7 @@ static int ixgbe_set_channels(struct net_device *dev,
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
unsigned int count = ch->combined_count;
+ u8 max_rss_indices = ixgbe_max_rss_indices(adapter);
/* verify they are not requesting separate vectors */
if (!count || ch->rx_count || ch->tx_count)
@@ -2991,9 +2992,9 @@ static int ixgbe_set_channels(struct net_device *dev,
/* update feature limits from largest to smallest supported values */
adapter->ring_feature[RING_F_FDIR].limit = count;
- /* cap RSS limit at 16 */
- if (count > IXGBE_MAX_RSS_INDICES)
- count = IXGBE_MAX_RSS_INDICES;
+ /* cap RSS limit */
+ if (count > max_rss_indices)
+ count = max_rss_indices;
adapter->ring_feature[RING_F_RSS].limit = count;
#ifdef IXGBE_FCOE