Merge branch 'e1000-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
[pandora-kernel.git] / drivers / net / e1000 / e1000_main.c
index f777d37..9267f16 100644 (file)
@@ -409,25 +409,21 @@ e1000_release_hw_control(struct e1000_adapter *adapter)
 {
        uint32_t ctrl_ext;
        uint32_t swsm;
-       uint32_t extcnf;
 
        /* Let firmware taken over control of h/w */
        switch (adapter->hw.mac_type) {
-       case e1000_82571:
-       case e1000_82572:
-       case e1000_80003es2lan:
-               ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
-               E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
-                               ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
-               break;
        case e1000_82573:
                swsm = E1000_READ_REG(&adapter->hw, SWSM);
                E1000_WRITE_REG(&adapter->hw, SWSM,
                                swsm & ~E1000_SWSM_DRV_LOAD);
+               break;
+       case e1000_82571:
+       case e1000_82572:
+       case e1000_80003es2lan:
        case e1000_ich8lan:
-               extcnf = E1000_READ_REG(&adapter->hw, CTRL_EXT);
+               ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
                E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
-                               extcnf & ~E1000_CTRL_EXT_DRV_LOAD);
+                               ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
                break;
        default:
                break;
@@ -450,26 +446,21 @@ e1000_get_hw_control(struct e1000_adapter *adapter)
 {
        uint32_t ctrl_ext;
        uint32_t swsm;
-       uint32_t extcnf;
 
        /* Let firmware know the driver has taken over */
        switch (adapter->hw.mac_type) {
-       case e1000_82571:
-       case e1000_82572:
-       case e1000_80003es2lan:
-               ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
-               E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
-                               ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
-               break;
        case e1000_82573:
                swsm = E1000_READ_REG(&adapter->hw, SWSM);
                E1000_WRITE_REG(&adapter->hw, SWSM,
                                swsm | E1000_SWSM_DRV_LOAD);
                break;
+       case e1000_82571:
+       case e1000_82572:
+       case e1000_80003es2lan:
        case e1000_ich8lan:
-               extcnf = E1000_READ_REG(&adapter->hw, EXTCNF_CTRL);
-               E1000_WRITE_REG(&adapter->hw, EXTCNF_CTRL,
-                               extcnf | E1000_EXTCNF_CTRL_SWFLAG);
+               ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
+               E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
+                               ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
                break;
        default:
                break;
@@ -2911,33 +2902,30 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
                                return err;
                }
 
-               hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
+               hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
                mss = skb_shinfo(skb)->gso_size;
                if (skb->protocol == htons(ETH_P_IP)) {
-                       skb->nh.iph->tot_len = 0;
-                       skb->nh.iph->check = 0;
-                       skb->h.th->check =
-                               ~csum_tcpudp_magic(skb->nh.iph->saddr,
-                                                  skb->nh.iph->daddr,
-                                                  0,
-                                                  IPPROTO_TCP,
-                                                  0);
+                       struct iphdr *iph = ip_hdr(skb);
+                       iph->tot_len = 0;
+                       iph->check = 0;
+                       tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
+                                                                iph->daddr, 0,
+                                                                IPPROTO_TCP,
+                                                                0);
                        cmd_length = E1000_TXD_CMD_IP;
-                       ipcse = skb->h.raw - skb->data - 1;
+                       ipcse = skb_transport_offset(skb) - 1;
                } else if (skb->protocol == htons(ETH_P_IPV6)) {
-                       skb->nh.ipv6h->payload_len = 0;
-                       skb->h.th->check =
-                               ~csum_ipv6_magic(&skb->nh.ipv6h->saddr,
-                                                &skb->nh.ipv6h->daddr,
-                                                0,
-                                                IPPROTO_TCP,
-                                                0);
+                       ipv6_hdr(skb)->payload_len = 0;
+                       tcp_hdr(skb)->check =
+                               ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+                                                &ipv6_hdr(skb)->daddr,
+                                                0, IPPROTO_TCP, 0);
                        ipcse = 0;
                }
-               ipcss = skb->nh.raw - skb->data;
-               ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;
-               tucss = skb->h.raw - skb->data;
-               tucso = (void *)&(skb->h.th->check) - (void *)skb->data;
+               ipcss = skb_network_offset(skb);
+               ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
+               tucss = skb_transport_offset(skb);
+               tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
                tucse = 0;
 
                cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
@@ -2978,7 +2966,7 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
        uint8_t css;
 
        if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
-               css = skb->h.raw - skb->data;
+               css = skb_transport_offset(skb);
 
                i = tx_ring->next_to_use;
                buffer_info = &tx_ring->buffer_info[i];
@@ -2986,7 +2974,8 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
 
                context_desc->lower_setup.ip_config = 0;
                context_desc->upper_setup.tcp_fields.tucss = css;
-               context_desc->upper_setup.tcp_fields.tucso = css + skb->csum;
+               context_desc->upper_setup.tcp_fields.tucso =
+                       css + skb->csum_offset;
                context_desc->upper_setup.tcp_fields.tucse = 0;
                context_desc->tcp_seg_setup.data = 0;
                context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
@@ -3320,7 +3309,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
                /* TSO Workaround for 82571/2/3 Controllers -- if skb->data
                * points to just header, pull a few bytes of payload from
                * frags into skb->data */
-               hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
+               hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
                if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
                        switch (adapter->hw.mac_type) {
                                unsigned int pull_size;
@@ -3331,7 +3320,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
                                 * NOTE: this is a TSO only workaround
                                 * if end byte alignment not correct move us
                                 * into the next dword */
-                               if ((unsigned long)(skb->tail - 1) & 4)
+                               if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
                                        break;
                                /* fall through */
                        case e1000_82571:
@@ -3387,12 +3376,9 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
            (adapter->hw.mac_type == e1000_82573))
                e1000_transfer_dhcp_info(adapter, skb);
 
-       local_irq_save(flags);
-       if (!spin_trylock(&tx_ring->tx_lock)) {
+       if (!spin_trylock_irqsave(&tx_ring->tx_lock, flags))
                /* Collision - tell upper layer to requeue */
-               local_irq_restore(flags);
                return NETDEV_TX_LOCKED;
-       }
 
        /* need: count + 2 desc gap to keep tail from touching
         * head, otherwise try next time */
@@ -4251,9 +4237,12 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
                            netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
                        if (new_skb) {
                                skb_reserve(new_skb, NET_IP_ALIGN);
-                               memcpy(new_skb->data - NET_IP_ALIGN,
-                                      skb->data - NET_IP_ALIGN,
-                                      length + NET_IP_ALIGN);
+                               skb_copy_to_linear_data_offset(new_skb,
+                                                              -NET_IP_ALIGN,
+                                                              (skb->data -
+                                                               NET_IP_ALIGN),
+                                                              (length +
+                                                               NET_IP_ALIGN));
                                /* save the skb in buffer_info as good */
                                buffer_info->skb = skb;
                                skb = new_skb;
@@ -4415,7 +4404,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
                                PCI_DMA_FROMDEVICE);
                        vaddr = kmap_atomic(ps_page->ps_page[0],
                                            KM_SKB_DATA_SOFTIRQ);
-                       memcpy(skb->tail, vaddr, l1);
+                       memcpy(skb_tail_pointer(skb), vaddr, l1);
                        kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
                        pci_dma_sync_single_for_device(pdev,
                                ps_page_dma->ps_page_dma[0],