ixbge: remove TX lock and redo TX accounting.

This ports Herbert Xu's "maybe_stop_tx" code and removes the tx_lock
which is not needed.

Signed-off-by: Ayyappan Veeraiyan <ayyappan.veeraiyan@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 7dd9a03650d3..d0bf206632ca 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -136,8 +136,6 @@ struct ixgbe_ring {
         u16 head;
         u16 tail;
 
-        /* To protect race between sender and clean_tx_irq */
-        spinlock_t tx_lock;
 
         struct ixgbe_queue_stats stats;