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path: root/drivers/net/r8169.c
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Diffstat (limited to 'drivers/net/r8169.c')
-rw-r--r--drivers/net/r8169.c54
1 files changed, 35 insertions, 19 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index dbb1f5a1824c..dd8106ff35aa 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1042,14 +1042,14 @@ static void rtl8169_vlan_rx_register(struct net_device *dev,
1042} 1042}
1043 1043
1044static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, 1044static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
1045 struct sk_buff *skb) 1045 struct sk_buff *skb, int polling)
1046{ 1046{
1047 u32 opts2 = le32_to_cpu(desc->opts2); 1047 u32 opts2 = le32_to_cpu(desc->opts2);
1048 struct vlan_group *vlgrp = tp->vlgrp; 1048 struct vlan_group *vlgrp = tp->vlgrp;
1049 int ret; 1049 int ret;
1050 1050
1051 if (vlgrp && (opts2 & RxVlanTag)) { 1051 if (vlgrp && (opts2 & RxVlanTag)) {
1052 vlan_hwaccel_receive_skb(skb, vlgrp, swab16(opts2 & 0xffff)); 1052 __vlan_hwaccel_rx(skb, vlgrp, swab16(opts2 & 0xffff), polling);
1053 ret = 0; 1053 ret = 0;
1054 } else 1054 } else
1055 ret = -1; 1055 ret = -1;
@@ -1066,7 +1066,7 @@ static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1066} 1066}
1067 1067
1068static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, 1068static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
1069 struct sk_buff *skb) 1069 struct sk_buff *skb, int polling)
1070{ 1070{
1071 return -1; 1071 return -1;
1072} 1072}
@@ -2759,6 +2759,7 @@ static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
2759{ 2759{
2760 iounmap(ioaddr); 2760 iounmap(ioaddr);
2761 pci_release_regions(pdev); 2761 pci_release_regions(pdev);
2762 pci_clear_mwi(pdev);
2762 pci_disable_device(pdev); 2763 pci_disable_device(pdev);
2763 free_netdev(dev); 2764 free_netdev(dev);
2764} 2765}
@@ -2825,8 +2826,13 @@ static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
2825 spin_lock_irq(&tp->lock); 2826 spin_lock_irq(&tp->lock);
2826 2827
2827 RTL_W8(Cfg9346, Cfg9346_Unlock); 2828 RTL_W8(Cfg9346, Cfg9346_Unlock);
2829
2828 RTL_W32(MAC4, high); 2830 RTL_W32(MAC4, high);
2831 RTL_R32(MAC4);
2832
2829 RTL_W32(MAC0, low); 2833 RTL_W32(MAC0, low);
2834 RTL_R32(MAC0);
2835
2830 RTL_W8(Cfg9346, Cfg9346_Lock); 2836 RTL_W8(Cfg9346, Cfg9346_Lock);
2831 2837
2832 spin_unlock_irq(&tp->lock); 2838 spin_unlock_irq(&tp->lock);
@@ -3014,9 +3020,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3014 goto err_out_free_dev_1; 3020 goto err_out_free_dev_1;
3015 } 3021 }
3016 3022
3017 rc = pci_set_mwi(pdev); 3023 if (pci_set_mwi(pdev) < 0)
3018 if (rc < 0) 3024 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3019 goto err_out_disable_2;
3020 3025
3021 /* make sure PCI base addr 1 is MMIO */ 3026 /* make sure PCI base addr 1 is MMIO */
3022 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) { 3027 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
@@ -3024,7 +3029,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3024 "region #%d not an MMIO resource, aborting\n", 3029 "region #%d not an MMIO resource, aborting\n",
3025 region); 3030 region);
3026 rc = -ENODEV; 3031 rc = -ENODEV;
3027 goto err_out_mwi_3; 3032 goto err_out_mwi_2;
3028 } 3033 }
3029 3034
3030 /* check for weird/broken PCI region reporting */ 3035 /* check for weird/broken PCI region reporting */
@@ -3032,13 +3037,13 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3032 netif_err(tp, probe, dev, 3037 netif_err(tp, probe, dev,
3033 "Invalid PCI region size(s), aborting\n"); 3038 "Invalid PCI region size(s), aborting\n");
3034 rc = -ENODEV; 3039 rc = -ENODEV;
3035 goto err_out_mwi_3; 3040 goto err_out_mwi_2;
3036 } 3041 }
3037 3042
3038 rc = pci_request_regions(pdev, MODULENAME); 3043 rc = pci_request_regions(pdev, MODULENAME);
3039 if (rc < 0) { 3044 if (rc < 0) {
3040 netif_err(tp, probe, dev, "could not request regions\n"); 3045 netif_err(tp, probe, dev, "could not request regions\n");
3041 goto err_out_mwi_3; 3046 goto err_out_mwi_2;
3042 } 3047 }
3043 3048
3044 tp->cp_cmd = PCIMulRW | RxChkSum; 3049 tp->cp_cmd = PCIMulRW | RxChkSum;
@@ -3051,7 +3056,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3051 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 3056 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3052 if (rc < 0) { 3057 if (rc < 0) {
3053 netif_err(tp, probe, dev, "DMA configuration failed\n"); 3058 netif_err(tp, probe, dev, "DMA configuration failed\n");
3054 goto err_out_free_res_4; 3059 goto err_out_free_res_3;
3055 } 3060 }
3056 } 3061 }
3057 3062
@@ -3060,7 +3065,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3060 if (!ioaddr) { 3065 if (!ioaddr) {
3061 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n"); 3066 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3062 rc = -EIO; 3067 rc = -EIO;
3063 goto err_out_free_res_4; 3068 goto err_out_free_res_3;
3064 } 3069 }
3065 3070
3066 tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); 3071 tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
@@ -3102,7 +3107,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3102 if (i == ARRAY_SIZE(rtl_chip_info)) { 3107 if (i == ARRAY_SIZE(rtl_chip_info)) {
3103 dev_err(&pdev->dev, 3108 dev_err(&pdev->dev,
3104 "driver bug, MAC version not found in rtl_chip_info\n"); 3109 "driver bug, MAC version not found in rtl_chip_info\n");
3105 goto err_out_msi_5; 3110 goto err_out_msi_4;
3106 } 3111 }
3107 tp->chipset = i; 3112 tp->chipset = i;
3108 3113
@@ -3167,7 +3172,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3167 3172
3168 rc = register_netdev(dev); 3173 rc = register_netdev(dev);
3169 if (rc < 0) 3174 if (rc < 0)
3170 goto err_out_msi_5; 3175 goto err_out_msi_4;
3171 3176
3172 pci_set_drvdata(pdev, dev); 3177 pci_set_drvdata(pdev, dev);
3173 3178
@@ -3190,14 +3195,13 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3190out: 3195out:
3191 return rc; 3196 return rc;
3192 3197
3193err_out_msi_5: 3198err_out_msi_4:
3194 rtl_disable_msi(pdev, tp); 3199 rtl_disable_msi(pdev, tp);
3195 iounmap(ioaddr); 3200 iounmap(ioaddr);
3196err_out_free_res_4: 3201err_out_free_res_3:
3197 pci_release_regions(pdev); 3202 pci_release_regions(pdev);
3198err_out_mwi_3: 3203err_out_mwi_2:
3199 pci_clear_mwi(pdev); 3204 pci_clear_mwi(pdev);
3200err_out_disable_2:
3201 pci_disable_device(pdev); 3205 pci_disable_device(pdev);
3202err_out_free_dev_1: 3206err_out_free_dev_1:
3203 free_netdev(dev); 3207 free_netdev(dev);
@@ -4441,12 +4445,20 @@ out:
4441 return done; 4445 return done;
4442} 4446}
4443 4447
4448/*
4449 * Warning : rtl8169_rx_interrupt() might be called :
4450 * 1) from NAPI (softirq) context
4451 * (polling = 1 : we should call netif_receive_skb())
4452 * 2) from process context (rtl8169_reset_task())
4453 * (polling = 0 : we must call netif_rx() instead)
4454 */
4444static int rtl8169_rx_interrupt(struct net_device *dev, 4455static int rtl8169_rx_interrupt(struct net_device *dev,
4445 struct rtl8169_private *tp, 4456 struct rtl8169_private *tp,
4446 void __iomem *ioaddr, u32 budget) 4457 void __iomem *ioaddr, u32 budget)
4447{ 4458{
4448 unsigned int cur_rx, rx_left; 4459 unsigned int cur_rx, rx_left;
4449 unsigned int delta, count; 4460 unsigned int delta, count;
4461 int polling = (budget != ~(u32)0) ? 1 : 0;
4450 4462
4451 cur_rx = tp->cur_rx; 4463 cur_rx = tp->cur_rx;
4452 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx; 4464 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
@@ -4508,8 +4520,12 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
4508 skb_put(skb, pkt_size); 4520 skb_put(skb, pkt_size);
4509 skb->protocol = eth_type_trans(skb, dev); 4521 skb->protocol = eth_type_trans(skb, dev);
4510 4522
4511 if (rtl8169_rx_vlan_skb(tp, desc, skb) < 0) 4523 if (rtl8169_rx_vlan_skb(tp, desc, skb, polling) < 0) {
4512 netif_receive_skb(skb); 4524 if (likely(polling))
4525 netif_receive_skb(skb);
4526 else
4527 netif_rx(skb);
4528 }
4513 4529
4514 dev->stats.rx_bytes += pkt_size; 4530 dev->stats.rx_bytes += pkt_size;
4515 dev->stats.rx_packets++; 4531 dev->stats.rx_packets++;