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ixgbe: Fix return of invalid txq

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commit fdd3d631cd upstream.

a developer had complained of getting lots of warnings:

"eth16 selects TX queue 98, but real number of TX queues is 64"

http://www.mail-archive.com/e1000-devel@lists.sourceforge.net/msg02200.html

As there was no follow up on that bug, I am submitting this
patch assuming that the other return points will not return
invalid txq's, and also that this fixes the bug (not tested).

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Krishna Kumar
2010-02-03 13:13:10 +00:00
committed by Greg Kroah-Hartman
parent c5f1e1aaad
commit 4768004584
1 changed files with 6 additions and 2 deletions
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8
drivers/net/ixgbe/ixgbe_main.c
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@@ -5241,9 +5241,13 @@ static int ixgbe_maybe_stop_tx(struct net_device *netdev,
static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
int txq = smp_processor_id();
if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE)
return smp_processor_id();
if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) {
while (unlikely(txq >= dev->real_num_tx_queues))
txq -= dev->real_num_tx_queues;
return txq;
}
if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
return (skb->vlan_tci & IXGBE_TX_FLAGS_VLAN_PRIO_MASK) >> 13;