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ixgbe: count q_vectors instead of MSI-X vectors

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It makes much more sense for us to count q_vectors instead of MSI-X
vectors.  We were using num_msix_vectors to find the number of q_vectors in
multiple places.  This was wasteful since we only had one place that
actually needs the number of MSI-X vectors and that is in slow path.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck
2012-05-05 05:30:43 +00:00
committed by Jeff Kirsher
parent 4715213d9c
commit 49c7ffbe7b
4 changed files with 61 additions and 91 deletions
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8
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
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@@ -2090,7 +2090,6 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_q_vector *q_vector;
int i;
int num_vectors;
u16 tx_itr_param, rx_itr_param;
bool need_reset = false;
@@ -2126,12 +2125,7 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
/* check the old value and enable RSC if necessary */
need_reset = ixgbe_update_rsc(adapter);
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
else
num_vectors = 1;
for (i = 0; i < num_vectors; i++) {
for (i = 0; i < adapter->num_q_vectors; i++) {
q_vector = adapter->q_vector[i];
if (q_vector->tx.count && !q_vector->rx.count)
/* tx only */