diff options
Diffstat (limited to 'drivers/net/r8169.c')
-rw-r--r-- | drivers/net/r8169.c | 54 |
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 | ||
1044 | static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, | 1044 | static 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 | ||
1068 | static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, | 1068 | static 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) | |||
3190 | out: | 3195 | out: |
3191 | return rc; | 3196 | return rc; |
3192 | 3197 | ||
3193 | err_out_msi_5: | 3198 | err_out_msi_4: |
3194 | rtl_disable_msi(pdev, tp); | 3199 | rtl_disable_msi(pdev, tp); |
3195 | iounmap(ioaddr); | 3200 | iounmap(ioaddr); |
3196 | err_out_free_res_4: | 3201 | err_out_free_res_3: |
3197 | pci_release_regions(pdev); | 3202 | pci_release_regions(pdev); |
3198 | err_out_mwi_3: | 3203 | err_out_mwi_2: |
3199 | pci_clear_mwi(pdev); | 3204 | pci_clear_mwi(pdev); |
3200 | err_out_disable_2: | ||
3201 | pci_disable_device(pdev); | 3205 | pci_disable_device(pdev); |
3202 | err_out_free_dev_1: | 3206 | err_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 | */ | ||
4444 | static int rtl8169_rx_interrupt(struct net_device *dev, | 4455 | static 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++; |