Messages in this thread Patch in this message | | | From | Kamal Mostafa <> | Subject | [PATCH 3.13 127/259] igb: do a reset on SR-IOV re-init if device is down | Date | Fri, 8 Aug 2014 13:39:10 -0700 |
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3.13.11.6 -stable review patch. If anyone has any objections, please let me know.
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From: Stefan Assmann <sassmann@kpanic.de>
commit 76252723e88681628a3dbb9c09c963e095476f73 upstream.
To properly re-initialize SR-IOV it is necessary to reset the device even if it is already down. Not doing this may result in Tx unit hangs.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/net/ethernet/intel/igb/igb_main.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index ddbf995..6e0c7a9 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7857,6 +7857,8 @@ int igb_reinit_queues(struct igb_adapter *adapter) if (netif_running(netdev)) igb_close(netdev); + else + igb_reset(adapter); igb_clear_interrupt_scheme(adapter); -- 1.9.1
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