Merge to Fedora kernel-2.6.17-1.2187_FC5-vs2.0.2.1 patched with stable patch-2.6...

[linux-2.6.git] / drivers / net / via-velocity.c

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 15e7102..09e05fe 100644 (file)
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -61,7 +61,6 @@
 #include <linux/timer.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
-#include <linux/version.h>
 #include <linux/string.h>
 #include <linux/wait.h>
 #include <asm/io.h>
@@ -249,6 +248,7 @@ static void velocity_free_rd_ring(struct velocity_info *vptr);
 static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_info *);
 static int velocity_soft_reset(struct velocity_info *vptr);
 static void mii_init(struct velocity_info *vptr, u32 mii_status);
+static u32 velocity_get_link(struct net_device *dev);
 static u32 velocity_get_opt_media_mode(struct velocity_info *vptr);
 static void velocity_print_link_status(struct velocity_info *vptr);
 static void safe_disable_mii_autopoll(struct mac_regs __iomem * regs);
@@ -792,13 +792,16 @@ static int __devinit velocity_found1(struct pci_dev *pdev, const struct pci_devi
 #endif
 
        if (vptr->flags & VELOCITY_FLAGS_TX_CSUM) {
-               dev->features |= NETIF_F_HW_CSUM;
+               dev->features |= NETIF_F_IP_CSUM;
        }
 
        ret = register_netdev(dev);
        if (ret < 0)
                goto err_iounmap;
 
+       if (velocity_get_link(dev))
+               netif_carrier_off(dev);
+
        velocity_print_info(vptr);
        pci_set_drvdata(pdev, dev);
        
@@ -1107,6 +1110,9 @@ static void velocity_free_rd_ring(struct velocity_info *vptr)
 
        for (i = 0; i < vptr->options.numrx; i++) {
                struct velocity_rd_info *rd_info = &(vptr->rd_info[i]);
+               struct rx_desc *rd = vptr->rd_ring + i;
+
+               memset(rd, 0, sizeof(*rd));
 
                if (!rd_info->skb)
                        continue;
@@ -1212,10 +1218,8 @@ static void velocity_free_td_ring(struct velocity_info *vptr)
                        velocity_free_td_ring_entry(vptr, j, i);
 
                }
-               if (vptr->td_infos[j]) {
-                       kfree(vptr->td_infos[j]);
-                       vptr->td_infos[j] = NULL;
-               }
+               kfree(vptr->td_infos[j]);
+               vptr->td_infos[j] = NULL;
        }
 }
 
@@ -1335,7 +1339,7 @@ static inline int velocity_rx_copy(struct sk_buff **rx_skb, int pkt_size,
                        if (vptr->flags & VELOCITY_FLAGS_IP_ALIGN)
                                skb_reserve(new_skb, 2);
 
-                       memcpy(new_skb->data, rx_skb[0]->tail, pkt_size);
+                       memcpy(new_skb->data, rx_skb[0]->data, pkt_size);
                        *rx_skb = new_skb;
                        ret = 0;
                }
@@ -1456,9 +1460,9 @@ static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx)
         *      Do the gymnastics to get the buffer head for data at
         *      64byte alignment.
         */
-       skb_reserve(rd_info->skb, (unsigned long) rd_info->skb->tail & 63);
+       skb_reserve(rd_info->skb, (unsigned long) rd_info->skb->data & 63);
        rd_info->skb->dev = vptr->dev;
-       rd_info->skb_dma = pci_map_single(vptr->pdev, rd_info->skb->tail, vptr->rx_buf_sz, PCI_DMA_FROMDEVICE);
+       rd_info->skb_dma = pci_map_single(vptr->pdev, rd_info->skb->data, vptr->rx_buf_sz, PCI_DMA_FROMDEVICE);
        
        /*
         *      Fill in the descriptor to match
@@ -1653,8 +1657,10 @@ static void velocity_error(struct velocity_info *vptr, int status)
 
                if (linked) {
                        vptr->mii_status &= ~VELOCITY_LINK_FAIL;
+                       netif_carrier_on(vptr->dev);
                } else {
                        vptr->mii_status |= VELOCITY_LINK_FAIL;
+                       netif_carrier_off(vptr->dev);
                }
 
                velocity_print_link_status(vptr);
@@ -1899,6 +1905,13 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
 
        int pktlen = skb->len;
 
+#ifdef VELOCITY_ZERO_COPY_SUPPORT
+       if (skb_shinfo(skb)->nr_frags > 6 && __skb_linearize(skb)) {
+               kfree_skb(skb);
+               return 0;
+       }
+#endif
+
        spin_lock_irqsave(&vptr->lock, flags);
 
        index = vptr->td_curr[qnum];
@@ -1914,8 +1927,6 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
         */
        if (pktlen < ETH_ZLEN) {
                /* Cannot occur until ZC support */
-               if(skb_linearize(skb, GFP_ATOMIC))
-                       return 0; 
                pktlen = ETH_ZLEN;
                memcpy(tdinfo->buf, skb->data, skb->len);
                memset(tdinfo->buf + skb->len, 0, ETH_ZLEN - skb->len);
@@ -1933,7 +1944,6 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
                int nfrags = skb_shinfo(skb)->nr_frags;
                tdinfo->skb = skb;
                if (nfrags > 6) {
-                       skb_linearize(skb, GFP_ATOMIC);
                        memcpy(tdinfo->buf, skb->data, skb->len);
                        tdinfo->skb_dma[0] = tdinfo->buf_dma;
                        td_ptr->tdesc0.pktsize =