1 files changed, 54 insertions, 45 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 536ed8e8a96f..16229998fb1e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -1083,13 +1083,13 @@ static void i40e_update_pf_stats(struct i40e_pf *pf)
 			   &osd->rx_lpi_count, &nsd->rx_lpi_count);
 
 	if (pf->flags & I40E_FLAG_FD_SB_ENABLED &&
-	    !(pf->flags & I40E_FLAG_FD_SB_AUTO_DISABLED))
+	    !test_bit(__I40E_FD_SB_AUTO_DISABLED, pf->state))
 		nsd->fd_sb_status = true;
 	else
 		nsd->fd_sb_status = false;
 
 	if (pf->flags & I40E_FLAG_FD_ATR_ENABLED &&
-	    !(pf->flags & I40E_FLAG_FD_ATR_AUTO_DISABLED))
+	    !test_bit(__I40E_FD_ATR_AUTO_DISABLED, pf->state))
 		nsd->fd_atr_status = true;
 	else
 		nsd->fd_atr_status = false;
@@ -1382,7 +1382,7 @@ struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
 		hash_add(vsi->mac_filter_hash, &f->hlist, key);
 
 		vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
-		vsi->back->flags |= I40E_FLAG_FILTER_SYNC;
+		set_bit(__I40E_MACVLAN_SYNC_PENDING, vsi->back->state);
 	}
 
 	/* If we're asked to add a filter that has been marked for removal, it
@@ -1432,7 +1432,7 @@ void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f)
 	}
 
 	vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
-	vsi->back->flags |= I40E_FLAG_FILTER_SYNC;
+	set_bit(__I40E_MACVLAN_SYNC_PENDING, vsi->state);
 }
 
 /**
@@ -1955,7 +1955,7 @@ static void i40e_set_rx_mode(struct net_device *netdev)
 	/* check for other flag changes */
 	if (vsi->current_netdev_flags != vsi->netdev->flags) {
 		vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
-		vsi->back->flags |= I40E_FLAG_FILTER_SYNC;
+		set_bit(__I40E_MACVLAN_SYNC_PENDING, vsi->back->state);
 	}
 }
 
@@ -2577,9 +2577,10 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf)
 {
 	int v;
 
-	if (!pf || !(pf->flags & I40E_FLAG_FILTER_SYNC))
+	if (!pf)
+		return;
+	if (!test_and_clear_bit(__I40E_MACVLAN_SYNC_PENDING, pf->state))
 		return;
-	pf->flags &= ~I40E_FLAG_FILTER_SYNC;
 
 	for (v = 0; v < pf->num_alloc_vsi; v++) {
 		if (pf->vsi[v] &&
@@ -2588,7 +2589,8 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf)
 
 			if (ret) {
 				/* come back and try again later */
-				pf->flags |= I40E_FLAG_FILTER_SYNC;
+				set_bit(__I40E_MACVLAN_SYNC_PENDING,
+					pf->state);
 				break;
 			}
 		}
@@ -2632,8 +2634,8 @@ static int i40e_change_mtu(struct net_device *netdev, int new_mtu)
 	netdev->mtu = new_mtu;
 	if (netif_running(netdev))
 		i40e_vsi_reinit_locked(vsi);
-	pf->flags |= (I40E_FLAG_SERVICE_CLIENT_REQUESTED |
-		      I40E_FLAG_CLIENT_L2_CHANGE);
+	set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);
+	set_bit(__I40E_CLIENT_L2_CHANGE, pf->state);
 	return 0;
 }
 
@@ -4720,9 +4722,9 @@ static void i40e_vsi_close(struct i40e_vsi *vsi)
 	i40e_vsi_free_tx_resources(vsi);
 	i40e_vsi_free_rx_resources(vsi);
 	vsi->current_netdev_flags = 0;
-	pf->flags |= I40E_FLAG_SERVICE_CLIENT_REQUESTED;
+	set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);
 	if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state))
-		pf->flags |=  I40E_FLAG_CLIENT_RESET;
+		set_bit(__I40E_CLIENT_RESET, pf->state);
 }
 
 /**
@@ -6493,7 +6495,7 @@ static int i40e_up_complete(struct i40e_vsi *vsi)
 	/* On the next run of the service_task, notify any clients of the new
 	 * opened netdev
 	 */
-	pf->flags |= I40E_FLAG_SERVICE_CLIENT_REQUESTED;
+	set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);
 	i40e_service_event_schedule(pf);
 
 	return 0;
@@ -8035,8 +8037,8 @@ static int i40e_handle_lldp_event(struct i40e_pf *pf,
 		i40e_service_event_schedule(pf);
 	} else {
 		i40e_pf_unquiesce_all_vsi(pf);
-	pf->flags |= (I40E_FLAG_SERVICE_CLIENT_REQUESTED |
-		      I40E_FLAG_CLIENT_L2_CHANGE);
+	set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);
+	set_bit(__I40E_CLIENT_L2_CHANGE, pf->state);
 	}
 
 exit:
@@ -8142,12 +8144,10 @@ u32 i40e_get_global_fd_count(struct i40e_pf *pf)
  **/
 static void i40e_reenable_fdir_sb(struct i40e_pf *pf)
 {
-	if (pf->flags & I40E_FLAG_FD_SB_AUTO_DISABLED) {
-		pf->flags &= ~I40E_FLAG_FD_SB_AUTO_DISABLED;
+	if (test_and_clear_bit(__I40E_FD_SB_AUTO_DISABLED, pf->state))
 		if ((pf->flags & I40E_FLAG_FD_SB_ENABLED) &&
 		    (I40E_DEBUG_FD & pf->hw.debug_mask))
 			dev_info(&pf->pdev->dev, "FD Sideband/ntuple is being enabled since we have space in the table now\n");
-	}
 }
 
 /**
@@ -8156,7 +8156,7 @@ static void i40e_reenable_fdir_sb(struct i40e_pf *pf)
  **/
 static void i40e_reenable_fdir_atr(struct i40e_pf *pf)
 {
-	if (pf->flags & I40E_FLAG_FD_ATR_AUTO_DISABLED) {
+	if (test_and_clear_bit(__I40E_FD_ATR_AUTO_DISABLED, pf->state)) {
 		/* ATR uses the same filtering logic as SB rules. It only
 		 * functions properly if the input set mask is at the default
 		 * settings. It is safe to restore the default input set
@@ -8166,7 +8166,6 @@ static void i40e_reenable_fdir_atr(struct i40e_pf *pf)
 					I40E_L3_SRC_MASK | I40E_L3_DST_MASK |
 					I40E_L4_SRC_MASK | I40E_L4_DST_MASK);
 
-		pf->flags &= ~I40E_FLAG_FD_ATR_AUTO_DISABLED;
 		if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) &&
 		    (I40E_DEBUG_FD & pf->hw.debug_mask))
 			dev_info(&pf->pdev->dev, "ATR is being enabled since we have space in the table and there are no conflicting ntuple rules\n");
@@ -8289,7 +8288,7 @@ static void i40e_fdir_flush_and_replay(struct i40e_pf *pf)
 	}
 
 	pf->fd_flush_timestamp = jiffies;
-	pf->flags |= I40E_FLAG_FD_ATR_AUTO_DISABLED;
+	set_bit(__I40E_FD_ATR_AUTO_DISABLED, pf->state);
 	/* flush all filters */
 	wr32(&pf->hw, I40E_PFQF_CTL_1,
 	     I40E_PFQF_CTL_1_CLEARFDTABLE_MASK);
@@ -8309,7 +8308,7 @@ static void i40e_fdir_flush_and_replay(struct i40e_pf *pf)
 		/* replay sideband filters */
 		i40e_fdir_filter_restore(pf->vsi[pf->lan_vsi]);
 		if (!disable_atr && !pf->fd_tcp4_filter_cnt)
-			pf->flags &= ~I40E_FLAG_FD_ATR_AUTO_DISABLED;
+			clear_bit(__I40E_FD_ATR_AUTO_DISABLED, pf->state);
 		clear_bit(__I40E_FD_FLUSH_REQUESTED, pf->state);
 		if (I40E_DEBUG_FD & pf->hw.debug_mask)
 			dev_info(&pf->pdev->dev, "FD Filter table flushed and FD-SB replayed.\n");
@@ -8433,13 +8432,12 @@ static void i40e_link_event(struct i40e_pf *pf)
 
 	/* On success, disable temp link polling */
 	if (status == I40E_SUCCESS) {
-		if (pf->flags & I40E_FLAG_TEMP_LINK_POLLING)
-			pf->flags &= ~I40E_FLAG_TEMP_LINK_POLLING;
+		clear_bit(__I40E_TEMP_LINK_POLLING, pf->state);
 	} else {
 		/* Enable link polling temporarily until i40e_get_link_status
 		 * returns I40E_SUCCESS
 		 */
-		pf->flags |= I40E_FLAG_TEMP_LINK_POLLING;
+		set_bit(__I40E_TEMP_LINK_POLLING, pf->state);
 		dev_dbg(&pf->pdev->dev, "couldn't get link state, status: %d\n",
 			status);
 		return;
@@ -8491,7 +8489,7 @@ static void i40e_watchdog_subtask(struct i40e_pf *pf)
 	pf->service_timer_previous = jiffies;
 
 	if ((pf->flags & I40E_FLAG_LINK_POLLING_ENABLED) ||
-	    (pf->flags & I40E_FLAG_TEMP_LINK_POLLING))
+	    test_bit(__I40E_TEMP_LINK_POLLING, pf->state))
 		i40e_link_event(pf);
 
 	/* Update the stats for active netdevs so the network stack
@@ -9719,7 +9717,7 @@ static void i40e_sync_udp_filters(struct i40e_pf *pf)
 			pf->pending_udp_bitmap |= BIT_ULL(i);
 	}
 
-	pf->flags |= I40E_FLAG_UDP_FILTER_SYNC;
+	set_bit(__I40E_UDP_FILTER_SYNC_PENDING, pf->state);
 }
 
 /**
@@ -9733,11 +9731,9 @@ static void i40e_sync_udp_filters_subtask(struct i40e_pf *pf)
 	u16 port;
 	int i;
 
-	if (!(pf->flags & I40E_FLAG_UDP_FILTER_SYNC))
+	if (!test_and_clear_bit(__I40E_UDP_FILTER_SYNC_PENDING, pf->state))
 		return;
 
-	pf->flags &= ~I40E_FLAG_UDP_FILTER_SYNC;
-
 	for (i = 0; i < I40E_MAX_PF_UDP_OFFLOAD_PORTS; i++) {
 		if (pf->pending_udp_bitmap & BIT_ULL(i)) {
 			pf->pending_udp_bitmap &= ~BIT_ULL(i);
@@ -9789,17 +9785,15 @@ static void i40e_service_task(struct work_struct *work)
 	i40e_vc_process_vflr_event(pf);
 	i40e_watchdog_subtask(pf);
 	i40e_fdir_reinit_subtask(pf);
-	if (pf->flags & I40E_FLAG_CLIENT_RESET) {
+	if (test_and_clear_bit(__I40E_CLIENT_RESET, pf->state)) {
 		/* Client subtask will reopen next time through. */
 		i40e_notify_client_of_netdev_close(pf->vsi[pf->lan_vsi], true);
-		pf->flags &= ~I40E_FLAG_CLIENT_RESET;
 	} else {
 		i40e_client_subtask(pf);
-		if (pf->flags & I40E_FLAG_CLIENT_L2_CHANGE) {
+		if (test_and_clear_bit(__I40E_CLIENT_L2_CHANGE,
+				       pf->state))
 			i40e_notify_client_of_l2_param_changes(
 							pf->vsi[pf->lan_vsi]);
-			pf->flags &= ~I40E_FLAG_CLIENT_L2_CHANGE;
-		}
 	}
 	i40e_sync_filters_subtask(pf);
 	i40e_sync_udp_filters_subtask(pf);
@@ -11291,20 +11285,18 @@ bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features)
 			need_reset = true;
 			i40e_fdir_filter_exit(pf);
 		}
-		pf->flags &= ~(I40E_FLAG_FD_SB_ENABLED |
-			       I40E_FLAG_FD_SB_AUTO_DISABLED);
+		pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
+		clear_bit(__I40E_FD_SB_AUTO_DISABLED, pf->state);
 		pf->flags |= I40E_FLAG_FD_SB_INACTIVE;
 
 		/* reset fd counters */
 		pf->fd_add_err = 0;
 		pf->fd_atr_cnt = 0;
 		/* if ATR was auto disabled it can be re-enabled. */
-		if (pf->flags & I40E_FLAG_FD_ATR_AUTO_DISABLED) {
-			pf->flags &= ~I40E_FLAG_FD_ATR_AUTO_DISABLED;
+		if (test_and_clear_bit(__I40E_FD_ATR_AUTO_DISABLED, pf->state))
 			if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) &&
 			    (I40E_DEBUG_FD & pf->hw.debug_mask))
 				dev_info(&pf->pdev->dev, "ATR re-enabled.\n");
-		}
 	}
 	return need_reset;
 }
@@ -11437,7 +11429,7 @@ static void i40e_udp_tunnel_add(struct net_device *netdev,
 	/* New port: add it and mark its index in the bitmap */
 	pf->udp_ports[next_idx].port = port;
 	pf->pending_udp_bitmap |= BIT_ULL(next_idx);
-	pf->flags |= I40E_FLAG_UDP_FILTER_SYNC;
+	set_bit(__I40E_UDP_FILTER_SYNC_PENDING, pf->state);
 }
 
 /**
@@ -11478,7 +11470,7 @@ static void i40e_udp_tunnel_del(struct net_device *netdev,
 	 */
 	pf->udp_ports[idx].port = 0;
 	pf->pending_udp_bitmap |= BIT_ULL(idx);
-	pf->flags |= I40E_FLAG_UDP_FILTER_SYNC;
+	set_bit(__I40E_UDP_FILTER_SYNC_PENDING, pf->state);
 
 	return;
 not_found:
@@ -11823,6 +11815,8 @@ static const struct net_device_ops i40e_netdev_ops = {
 	.ndo_bridge_getlink	= i40e_ndo_bridge_getlink,
 	.ndo_bridge_setlink	= i40e_ndo_bridge_setlink,
 	.ndo_bpf		= i40e_xdp,
+	.ndo_xdp_xmit		= i40e_xdp_xmit,
+	.ndo_xdp_flush		= i40e_xdp_flush,
 };
 
 /**
@@ -12240,7 +12234,7 @@ static int i40e_add_vsi(struct i40e_vsi *vsi)
 
 	if (f_count) {
 		vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
-		pf->flags |= I40E_FLAG_FILTER_SYNC;
+		set_bit(__I40E_MACVLAN_SYNC_PENDING, pf->state);
 	}
 
 	/* Update VSI BW information */
@@ -14356,7 +14350,13 @@ static int __maybe_unused i40e_suspend(struct device *dev)
 	if (pf->wol_en && (pf->hw_features & I40E_HW_WOL_MC_MAGIC_PKT_WAKE))
 		i40e_enable_mc_magic_wake(pf);
 
-	i40e_prep_for_reset(pf, false);
+	/* Since we're going to destroy queues during the
+	 * i40e_clear_interrupt_scheme() we should hold the RTNL lock for this
+	 * whole section
+	 */
+	rtnl_lock();
+
+	i40e_prep_for_reset(pf, true);
 
 	wr32(hw, I40E_PFPM_APM, (pf->wol_en ? I40E_PFPM_APM_APME_MASK : 0));
 	wr32(hw, I40E_PFPM_WUFC, (pf->wol_en ? I40E_PFPM_WUFC_MAG_MASK : 0));
@@ -14368,6 +14368,8 @@ static int __maybe_unused i40e_suspend(struct device *dev)
 	 */
 	i40e_clear_interrupt_scheme(pf);
 
+	rtnl_unlock();
+
 	return 0;
 }
 
@@ -14385,6 +14387,11 @@ static int __maybe_unused i40e_resume(struct device *dev)
 	if (!test_bit(__I40E_SUSPENDED, pf->state))
 		return 0;
 
+	/* We need to hold the RTNL lock prior to restoring interrupt schemes,
+	 * since we're going to be restoring queues
+	 */
+	rtnl_lock();
+
 	/* We cleared the interrupt scheme when we suspended, so we need to
 	 * restore it now to resume device functionality.
 	 */
@@ -14395,7 +14402,9 @@ static int __maybe_unused i40e_resume(struct device *dev)
 	}
 
 	clear_bit(__I40E_DOWN, pf->state);
-	i40e_reset_and_rebuild(pf, false, false);
+	i40e_reset_and_rebuild(pf, false, true);
+
+	rtnl_unlock();
 
 	/* Clear suspended state last after everything is recovered */
 	clear_bit(__I40E_SUSPENDED, pf->state);