[NET]: Merge TSO/UFO fields in sk_buff

[linux-2.6-microblaze.git] / drivers / net / s2io.c

diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index cac9fdd..3defe5d 100644 (file)
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -2626,6 +2626,50 @@ no_rx:
 }
 #endif
 
+/**
+ * s2io_netpoll - Rx interrupt service handler for netpoll support
+ * @dev : pointer to the device structure.
+ * Description:
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void s2io_netpoll(struct net_device *dev)
+{
+       nic_t *nic = dev->priv;
+       mac_info_t *mac_control;
+       struct config_param *config;
+       XENA_dev_config_t __iomem *bar0 = nic->bar0;
+       u64 val64;
+       int i;
+
+       disable_irq(dev->irq);
+
+       atomic_inc(&nic->isr_cnt);
+       mac_control = &nic->mac_control;
+       config = &nic->config;
+
+       val64 = readq(&bar0->rx_traffic_int);
+       writeq(val64, &bar0->rx_traffic_int);
+
+       for (i = 0; i < config->rx_ring_num; i++)
+               rx_intr_handler(&mac_control->rings[i]);
+
+       for (i = 0; i < config->rx_ring_num; i++) {
+               if (fill_rx_buffers(nic, i) == -ENOMEM) {
+                       DBG_PRINT(ERR_DBG, "%s:Out of memory", dev->name);
+                       DBG_PRINT(ERR_DBG, " in Rx Netpoll!!\n");
+                       break;
+               }
+       }
+       atomic_dec(&nic->isr_cnt);
+       enable_irq(dev->irq);
+       return;
+}
+#endif
+
 /**
  *  rx_intr_handler - Rx interrupt handler
  *  @nic: device private variable.
@@ -3915,8 +3959,8 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
        txdp->Control_1 = 0;
        txdp->Control_2 = 0;
 #ifdef NETIF_F_TSO
-       mss = skb_shinfo(skb)->tso_size;
-       if (mss) {
+       mss = skb_shinfo(skb)->gso_size;
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV4) {
                txdp->Control_1 |= TXD_TCP_LSO_EN;
                txdp->Control_1 |= TXD_TCP_LSO_MSS(mss);
        }
@@ -3936,10 +3980,10 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
        }
 
        frg_len = skb->len - skb->data_len;
-       if (skb_shinfo(skb)->ufo_size) {
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4) {
                int ufo_size;
 
-               ufo_size = skb_shinfo(skb)->ufo_size;
+               ufo_size = skb_shinfo(skb)->gso_size;
                ufo_size &= ~7;
                txdp->Control_1 |= TXD_UFO_EN;
                txdp->Control_1 |= TXD_UFO_MSS(ufo_size);
@@ -3965,7 +4009,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
        txdp->Host_Control = (unsigned long) skb;
        txdp->Control_1 |= TXD_BUFFER0_SIZE(frg_len);
 
-       if (skb_shinfo(skb)->ufo_size)
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4)
                txdp->Control_1 |= TXD_UFO_EN;
 
        frg_cnt = skb_shinfo(skb)->nr_frags;
@@ -3980,12 +4024,12 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
                    (sp->pdev, frag->page, frag->page_offset,
                     frag->size, PCI_DMA_TODEVICE);
                txdp->Control_1 = TXD_BUFFER0_SIZE(frag->size);
-               if (skb_shinfo(skb)->ufo_size)
+               if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4)
                        txdp->Control_1 |= TXD_UFO_EN;
        }
        txdp->Control_1 |= TXD_GATHER_CODE_LAST;
 
-       if (skb_shinfo(skb)->ufo_size)
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4)
                frg_cnt++; /* as Txd0 was used for inband header */
 
        tx_fifo = mac_control->tx_FIFO_start[queue];
@@ -3999,7 +4043,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
        if (mss)
                val64 |= TX_FIFO_SPECIAL_FUNC;
 #endif
-       if (skb_shinfo(skb)->ufo_size)
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4)
                val64 |= TX_FIFO_SPECIAL_FUNC;
        writeq(val64, &tx_fifo->List_Control);
 
@@ -6967,6 +7011,10 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
        dev->weight = 32;
 #endif
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+       dev->poll_controller = s2io_netpoll;
+#endif
+
        dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
        if (sp->high_dma_flag == TRUE)
                dev->features |= NETIF_F_HIGHDMA;