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i40e: Fix to stop tx_timeout recovery if GLOBR fails
commit57c942bc3b
upstream. When a tx_timeout fires, the PF attempts to recover by incrementally resetting. First we try a PFR, then CORER and finally a GLOBR. If the GLOBR fails, then we keep hitting the tx_timeout and incrementing the recovery level and issuing dmesgs, which is both annoying to the user and accomplishes nothing. If the GLOBR fails, then we're pretty much totally hosed, and there's not much else we can do to recover, so this makes it such that we just kill the VSI and stop hitting the tx_timeout in such a case. Fixes:41c445ff0f
("i40e: main driver core") Signed-off-by: Alan Brady <alan.brady@intel.com> Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com> Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 3 additions and 1 deletions
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@ -405,7 +405,9 @@ static void i40e_tx_timeout(struct net_device *netdev)
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set_bit(__I40E_GLOBAL_RESET_REQUESTED, pf->state);
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set_bit(__I40E_GLOBAL_RESET_REQUESTED, pf->state);
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break;
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break;
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default:
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default:
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netdev_err(netdev, "tx_timeout recovery unsuccessful\n");
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netdev_err(netdev, "tx_timeout recovery unsuccessful, device is in non-recoverable state.\n");
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set_bit(__I40E_DOWN_REQUESTED, pf->state);
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set_bit(__I40E_VSI_DOWN_REQUESTED, vsi->state);
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break;
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break;
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}
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}
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