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(parent: 536beef) | patch
igb: fix race conditions on queuing skb for HW time stamp
authorJakub Kicinski <kubakici@wp.pl>
Sat, 15 Mar 2014 14:55:32 +0000 (14:55 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Fri, 28 Mar 2014 13:54:02 +0000 (06:54 -0700)
commit6dec9ea7ab77679c2c17f390400d0821a844eff2
treef7b57251f5948e2f4c1f6e9b35c2d0a77a3eae79tree | snapshot
parent536beef61cf98c6deb519d70381a3338df59ee18commit | diff
igb: fix race conditions on queuing skb for HW time stamp

igb 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: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/igb/igb.h diff | blob | history
drivers/net/ethernet/intel/igb/igb_main.c diff | blob | history
drivers/net/ethernet/intel/igb/igb_ptp.c diff | blob | history
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