ixgbe: fix race conditions on queuing skb for HW time stamp
ixgbe has a single set of TX time stamping resources per NIC.
Use a simple bit lock to avoid race conditions and leaking skbs
when multiple TX rings try to claim time stamping.
Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 2fff0fc..26d27aa 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -812,6 +812,7 @@
__IXGBE_SERVICE_SCHED,
__IXGBE_IN_SFP_INIT,
__IXGBE_PTP_RUNNING,
+ __IXGBE_PTP_TX_IN_PROGRESS,
};
struct ixgbe_cb {