forked from luck/tmp_suning_uos_patched
8139cp: convert to new VLAN model.
The registers and descriptors bits are identical to the pre-8168 8169 chipsets : {RxDesc / TxDesc}.opts2 can only contain VLAN information. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Reviewed-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -78,17 +78,6 @@
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#include <asm/irq.h>
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#include <asm/uaccess.h>
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/* VLAN tagging feature enable/disable */
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#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
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#define CP_VLAN_TAG_USED 1
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#define CP_VLAN_TX_TAG(tx_desc,vlan_tag_value) \
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do { (tx_desc)->opts2 = cpu_to_le32(vlan_tag_value); } while (0)
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#else
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#define CP_VLAN_TAG_USED 0
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#define CP_VLAN_TX_TAG(tx_desc,vlan_tag_value) \
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do { (tx_desc)->opts2 = 0; } while (0)
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#endif
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/* These identify the driver base version and may not be removed. */
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static char version[] =
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DRV_NAME ": 10/100 PCI Ethernet driver v" DRV_VERSION " (" DRV_RELDATE ")\n";
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@ -356,9 +345,6 @@ struct cp_private {
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unsigned rx_buf_sz;
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unsigned wol_enabled : 1; /* Is Wake-on-LAN enabled? */
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#if CP_VLAN_TAG_USED
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struct vlan_group *vlgrp;
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#endif
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dma_addr_t ring_dma;
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struct mii_if_info mii_if;
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@ -423,24 +409,6 @@ static struct {
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};
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#if CP_VLAN_TAG_USED
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static void cp_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
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{
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struct cp_private *cp = netdev_priv(dev);
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unsigned long flags;
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spin_lock_irqsave(&cp->lock, flags);
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cp->vlgrp = grp;
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if (grp)
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cp->cpcmd |= RxVlanOn;
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else
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cp->cpcmd &= ~RxVlanOn;
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cpw16(CpCmd, cp->cpcmd);
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spin_unlock_irqrestore(&cp->lock, flags);
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}
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#endif /* CP_VLAN_TAG_USED */
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static inline void cp_set_rxbufsize (struct cp_private *cp)
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{
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unsigned int mtu = cp->dev->mtu;
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@ -455,18 +423,17 @@ static inline void cp_set_rxbufsize (struct cp_private *cp)
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static inline void cp_rx_skb (struct cp_private *cp, struct sk_buff *skb,
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struct cp_desc *desc)
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{
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u32 opts2 = le32_to_cpu(desc->opts2);
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skb->protocol = eth_type_trans (skb, cp->dev);
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cp->dev->stats.rx_packets++;
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cp->dev->stats.rx_bytes += skb->len;
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#if CP_VLAN_TAG_USED
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if (cp->vlgrp && (desc->opts2 & cpu_to_le32(RxVlanTagged))) {
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vlan_hwaccel_receive_skb(skb, cp->vlgrp,
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swab16(le32_to_cpu(desc->opts2) & 0xffff));
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} else
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#endif
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netif_receive_skb(skb);
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if (opts2 & RxVlanTagged)
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__vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
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napi_gro_receive(&cp->napi, skb);
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}
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static void cp_rx_err_acct (struct cp_private *cp, unsigned rx_tail,
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@ -730,6 +697,12 @@ static void cp_tx (struct cp_private *cp)
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netif_wake_queue(cp->dev);
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}
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static inline u32 cp_tx_vlan_tag(struct sk_buff *skb)
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{
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return vlan_tx_tag_present(skb) ?
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TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
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}
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static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
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struct net_device *dev)
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{
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@ -737,9 +710,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
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unsigned entry;
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u32 eor, flags;
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unsigned long intr_flags;
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#if CP_VLAN_TAG_USED
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u32 vlan_tag = 0;
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#endif
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__le32 opts2;
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int mss = 0;
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spin_lock_irqsave(&cp->lock, intr_flags);
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@ -752,15 +723,12 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
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return NETDEV_TX_BUSY;
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}
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#if CP_VLAN_TAG_USED
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if (vlan_tx_tag_present(skb))
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vlan_tag = TxVlanTag | swab16(vlan_tx_tag_get(skb));
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#endif
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entry = cp->tx_head;
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eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0;
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mss = skb_shinfo(skb)->gso_size;
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opts2 = cpu_to_le32(cp_tx_vlan_tag(skb));
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if (skb_shinfo(skb)->nr_frags == 0) {
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struct cp_desc *txd = &cp->tx_ring[entry];
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u32 len;
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@ -768,7 +736,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
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len = skb->len;
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mapping = dma_map_single(&cp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
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CP_VLAN_TX_TAG(txd, vlan_tag);
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txd->opts2 = opts2;
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txd->addr = cpu_to_le64(mapping);
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wmb();
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@ -839,7 +807,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
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ctrl |= LastFrag;
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txd = &cp->tx_ring[entry];
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CP_VLAN_TX_TAG(txd, vlan_tag);
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txd->opts2 = opts2;
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txd->addr = cpu_to_le64(mapping);
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wmb();
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@ -851,7 +819,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
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}
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txd = &cp->tx_ring[first_entry];
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CP_VLAN_TX_TAG(txd, vlan_tag);
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txd->opts2 = opts2;
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txd->addr = cpu_to_le64(first_mapping);
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wmb();
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@ -1431,6 +1399,11 @@ static int cp_set_features(struct net_device *dev, u32 features)
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else
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cp->cpcmd &= ~RxChkSum;
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if (features & NETIF_F_HW_VLAN_RX)
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cp->cpcmd |= RxVlanOn;
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else
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cp->cpcmd &= ~RxVlanOn;
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cpw16_f(CpCmd, cp->cpcmd);
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spin_unlock_irqrestore(&cp->lock, flags);
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@ -1818,9 +1791,6 @@ static const struct net_device_ops cp_netdev_ops = {
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.ndo_start_xmit = cp_start_xmit,
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.ndo_tx_timeout = cp_tx_timeout,
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.ndo_set_features = cp_set_features,
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#if CP_VLAN_TAG_USED
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.ndo_vlan_rx_register = cp_vlan_rx_register,
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#endif
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#ifdef BROKEN
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.ndo_change_mtu = cp_change_mtu,
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#endif
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@ -1949,15 +1919,16 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
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dev->ethtool_ops = &cp_ethtool_ops;
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dev->watchdog_timeo = TX_TIMEOUT;
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#if CP_VLAN_TAG_USED
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dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
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#endif
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if (pci_using_dac)
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dev->features |= NETIF_F_HIGHDMA;
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/* disabled by default until verified */
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dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
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dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
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NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
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dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
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NETIF_F_HIGHDMA;
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dev->irq = pdev->irq;
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