| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.10 11/56] igb: do a reset on SR-IOV re-init if device is down | Date | Sat, 26 Jul 2014 12:02:04 -0700 |
| |
3.10-stable review patch. If anyone has any objections, please let me know.
------------------
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/net/ethernet/intel/igb/igb_main.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7229,6 +7229,8 @@ static int igb_sriov_reinit(struct pci_d if (netif_running(netdev)) igb_close(netdev); + else + igb_reset(adapter); igb_clear_interrupt_scheme(adapter);
|