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(parent: ef4f9b3) | patch
i40e: fix race conditions on queuing skb for HW time stamp
authorJakub Kicinski <kubakici@wp.pl>
Sat, 15 Mar 2014 14:55:42 +0000 (14:55 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Wed, 16 Jul 2014 20:19:41 +0000 (13:19 -0700)
commit6e1a45d0bf6c64e63e69ffd0d78ff9c60697b14b
treeba743be7d2e5ee585eb0712992e9144ed13361batree | snapshot
parentef4f9b3d5d0768be3b13ade6e56860dc0d36783bcommit | diff
i40e: fix race conditions on queuing skb for HW time stamp

i40e 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: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/i40e/i40e.h diff | blob | history
drivers/net/ethernet/intel/i40e/i40e_ptp.c diff | blob | history
drivers/net/ethernet/intel/i40e/i40e_txrx.c diff | blob | history
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