rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
..
..
@@ -453,12 +453,6 @@
453
453
 	if (vid > 4095)
454
454
 		return -EINVAL;
455
455
 
456
-	if (hw->promisc) {
457
-		netdev_err(dev,
458
-			   "Adding VLAN in promisc mode not supported\n");
459
-		return -EPERM;
460
-	}
461
-
462
456
 	/* Single Rx VLAN Filter */
463
457
 	if (hw->num_vlan == 1) {
464
458
 		/* For single VLAN filter, VID 0 means VLAN promiscuous */
..
..
@@ -508,12 +502,6 @@
508
502
 {
509
503
 	int i, ret = 0;
510
504
 
511
-	if (hw->promisc) {
512
-		netdev_err(dev,
513
-			   "Deleting VLAN in promisc mode not supported\n");
514
-		return -EPERM;
515
-	}
516
-
517
505
 	/* Single Rx VLAN Filter */
518
506
 	if (hw->num_vlan == 1) {
519
507
 		if ((hw->vlan_filter[0] & GMAC_VLAN_TAG_VID) == vid) {
..
..
@@ -536,39 +524,6 @@
536
524
 	}
537
525
 
538
526
 	return ret;
539
-}
540
-
541
-static void dwmac4_vlan_promisc_enable(struct net_device *dev,
542
-				       struct mac_device_info *hw)
543
-{
544
-	void __iomem *ioaddr = hw->pcsr;
545
-	u32 value;
546
-	u32 hash;
547
-	u32 val;
548
-	int i;
549
-
550
-	/* Single Rx VLAN Filter */
551
-	if (hw->num_vlan == 1) {
552
-		dwmac4_write_single_vlan(dev, 0);
553
-		return;
554
-	}
555
-
556
-	/* Extended Rx VLAN Filter Enable */
557
-	for (i = 0; i < hw->num_vlan; i++) {
558
-		if (hw->vlan_filter[i] & GMAC_VLAN_TAG_DATA_VEN) {
559
-			val = hw->vlan_filter[i] & ~GMAC_VLAN_TAG_DATA_VEN;
560
-			dwmac4_write_vlan_filter(dev, hw, i, val);
561
-		}
562
-	}
563
-
564
-	hash = readl(ioaddr + GMAC_VLAN_HASH_TABLE);
565
-	if (hash & GMAC_VLAN_VLHT) {
566
-		value = readl(ioaddr + GMAC_VLAN_TAG);
567
-		if (value & GMAC_VLAN_VTHM) {
568
-			value &= ~GMAC_VLAN_VTHM;
569
-			writel(value, ioaddr + GMAC_VLAN_TAG);
570
-		}
571
-	}
572
527
 }
573
528
 
574
529
 static void dwmac4_restore_hw_vlan_rx_fltr(struct net_device *dev,
..
..
@@ -690,22 +645,12 @@
690
645
 	}
691
646
 
692
647
 	/* VLAN filtering */
693
-	if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
648
+	if (dev->flags & IFF_PROMISC && !hw->vlan_fail_q_en)
649
+		value &= ~GMAC_PACKET_FILTER_VTFE;
650
+	else if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
694
651
 		value |= GMAC_PACKET_FILTER_VTFE;
695
652
 
696
653
 	writel(value, ioaddr + GMAC_PACKET_FILTER);
697
-
698
-	if (dev->flags & IFF_PROMISC && !hw->vlan_fail_q_en) {
699
-		if (!hw->promisc) {
700
-			hw->promisc = 1;
701
-			dwmac4_vlan_promisc_enable(dev, hw);
702
-		}
703
-	} else {
704
-		if (hw->promisc) {
705
-			hw->promisc = 0;
706
-			dwmac4_restore_hw_vlan_rx_fltr(dev, hw);
707
-		}
708
-	}
709
654
 }
710
655
 
711
656
 static void dwmac4_flow_ctrl(struct mac_device_info *hw, unsigned int duplex,