AuxXxilium/linux_dsm_epyc7002
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ice: Disable VFs until reset is completed

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This patch adds code to clear VFs enable status until reset is completed,
and Tx/Rx rings are setup. Without this patch, the code flow request Tx
queues to be disabled after reset, especially PFR - where VF VSI Tx rings
have already been wiped off in the NVM and result to adminq error based on
the call to disable Tx LAN queue in ice_reset_all_vfs function call.

Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Akeem G Abodunrin 2019-06-26 02:20:18 -07:00 committed by Jeff Kirsher
parent 6d5999467d
commit c7aeb4d1b9
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/intel/ice/ice_main.c
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@ -488,6 +488,7 @@ static void
ice_prepare_for_reset(struct ice_pf *pf)
{
struct ice_hw *hw = &pf->hw;
u8 i;
/* already prepared for reset */
if (test_bit(__ICE_PREPARED_FOR_RESET, pf->state))
@ -497,6 +498,10 @@ ice_prepare_for_reset(struct ice_pf *pf)
if (ice_check_sq_alive(hw, &hw->mailboxq))
ice_vc_notify_reset(pf);
/* Disable VFs until reset is completed */
for (i = 0; i < pf->num_alloc_vfs; i++)
clear_bit(ICE_VF_STATE_ENA, pf->vf[i].vf_states);
/* disable the VSIs and their queues that are not already DOWN */
ice_pf_dis_all_vsi(pf, false);