ice: Disable VFs until reset is completed

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>

drivers/net/ethernet/intel/ice/ice_main.c

@@ -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);