Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / drivers / net / au1000_eth.c

diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index 5a2efd3..14dbad1 100644 (file)
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -32,6 +32,7 @@
  * 
  */
 
+#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -51,6 +52,7 @@
 #include <linux/mii.h>
 #include <linux/skbuff.h>
 #include <linux/delay.h>
+#include <linux/crc32.h>
 #include <asm/mipsregs.h>
 #include <asm/irq.h>
 #include <asm/io.h>
@@ -89,8 +91,6 @@ static void au1000_tx_timeout(struct net_device *);
 static int au1000_set_config(struct net_device *dev, struct ifmap *map);
 static void set_rx_mode(struct net_device *);
 static struct net_device_stats *au1000_get_stats(struct net_device *);
-static inline void update_tx_stats(struct net_device *, u32, u32);
-static inline void update_rx_stats(struct net_device *, u32);
 static void au1000_timer(unsigned long);
 static int au1000_ioctl(struct net_device *, struct ifreq *, int);
 static int mdio_read(struct net_device *, int, int);
@@ -151,13 +151,6 @@ struct au1000_private *au_macs[NUM_ETH_INTERFACES];
        SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \
        SUPPORTED_Autoneg
 
-static char *phy_link[] = 
-{      "unknown", 
-       "10Base2", "10BaseT", 
-       "AUI",
-       "100BaseT", "100BaseTX", "100BaseFX"
-};
-
 int bcm_5201_init(struct net_device *dev, int phy_addr)
 {
        s16 data;
@@ -785,6 +778,7 @@ static struct mii_chip_info {
        {"Broadcom BCM5201 10/100 BaseT PHY",0x0040,0x6212, &bcm_5201_ops,0},
        {"Broadcom BCM5221 10/100 BaseT PHY",0x0040,0x61e4, &bcm_5201_ops,0},
        {"Broadcom BCM5222 10/100 BaseT PHY",0x0040,0x6322, &bcm_5201_ops,1},
+       {"NS DP83847 PHY", 0x2000, 0x5c30, &bcm_5201_ops ,0},
        {"AMD 79C901 HomePNA PHY",0x0000,0x35c8, &am79c901_ops,0},
        {"AMD 79C874 10/100 BaseT PHY",0x0022,0x561b, &am79c874_ops,0},
        {"LSI 80227 10/100 BaseT PHY",0x0016,0xf840, &lsi_80227_ops,0},
@@ -1045,7 +1039,7 @@ found:
 #endif
 
        if (aup->mii->chip_info == NULL) {
-               printk(KERN_ERR "%s: Au1x No MII transceivers found!\n",
+               printk(KERN_ERR "%s: Au1x No known MII transceivers found!\n",
                                dev->name);
                return -1;
        }
@@ -1546,6 +1540,9 @@ au1000_probe(u32 ioaddr, int irq, int port_num)
                printk(KERN_ERR "%s: out of memory\n", dev->name);
                goto err_out;
        }
+       aup->mii->next = NULL;
+       aup->mii->chip_info = NULL;
+       aup->mii->status = 0;
        aup->mii->mii_control_reg = 0;
        aup->mii->mii_data_reg = 0;
 
@@ -1609,8 +1606,7 @@ err_out:
        /* here we should have a valid dev plus aup-> register addresses
         * so we can reset the mac properly.*/
        reset_mac(dev);
-       if (aup->mii)
-               kfree(aup->mii);
+       kfree(aup->mii);
        for (i = 0; i < NUM_RX_DMA; i++) {
                if (aup->rx_db_inuse[i])
                        ReleaseDB(aup, aup->rx_db_inuse[i]);
@@ -1681,10 +1677,6 @@ static int au1000_init(struct net_device *dev)
                control |= MAC_FULL_DUPLEX;
        }
 
-       /* fix for startup without cable */
-       if (!link) 
-               dev->flags &= ~IFF_RUNNING;
-
        aup->mac->control = control;
        aup->mac->vlan1_tag = 0x8100; /* activate vlan support */
        au_sync();
@@ -1709,16 +1701,14 @@ static void au1000_timer(unsigned long data)
        if_port = dev->if_port;
        if (aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed) == 0) {
                if (link) {
-                       if (!(dev->flags & IFF_RUNNING)) {
+                       if (!netif_carrier_ok(dev)) {
                                netif_carrier_on(dev);
-                               dev->flags |= IFF_RUNNING;
                                printk(KERN_INFO "%s: link up\n", dev->name);
                        }
                }
                else {
-                       if (dev->flags & IFF_RUNNING) {
+                       if (netif_carrier_ok(dev)) {
                                netif_carrier_off(dev);
-                               dev->flags &= ~IFF_RUNNING;
                                dev->if_port = 0;
                                printk(KERN_INFO "%s: link down\n", dev->name);
                        }
@@ -1815,8 +1805,7 @@ static void __exit au1000_cleanup_module(void)
                if (dev) {
                        aup = (struct au1000_private *) dev->priv;
                        unregister_netdev(dev);
-                       if (aup->mii)
-                               kfree(aup->mii);
+                       kfree(aup->mii);
                        for (j = 0; j < NUM_RX_DMA; j++) {
                                if (aup->rx_db_inuse[j])
                                        ReleaseDB(aup, aup->rx_db_inuse[j]);
@@ -1835,16 +1824,11 @@ static void __exit au1000_cleanup_module(void)
        }
 }
 
-
-static inline void 
-update_tx_stats(struct net_device *dev, u32 status, u32 pkt_len)
+static void update_tx_stats(struct net_device *dev, u32 status)
 {
        struct au1000_private *aup = (struct au1000_private *) dev->priv;
        struct net_device_stats *ps = &aup->stats;
 
-       ps->tx_packets++;
-       ps->tx_bytes += pkt_len;
-
        if (status & TX_FRAME_ABORTED) {
                if (dev->if_port == IF_PORT_100BASEFX) {
                        if (status & (TX_JAB_TIMEOUT | TX_UNDERRUN)) {
@@ -1877,7 +1861,7 @@ static void au1000_tx_ack(struct net_device *dev)
        ptxd = aup->tx_dma_ring[aup->tx_tail];
 
        while (ptxd->buff_stat & TX_T_DONE) {
-               update_tx_stats(dev, ptxd->status, ptxd->len & 0x3ff);
+               update_tx_stats(dev, ptxd->status);
                ptxd->buff_stat &= ~TX_T_DONE;
                ptxd->len = 0;
                au_sync();
@@ -1899,6 +1883,7 @@ static void au1000_tx_ack(struct net_device *dev)
 static int au1000_tx(struct sk_buff *skb, struct net_device *dev)
 {
        struct au1000_private *aup = (struct au1000_private *) dev->priv;
+       struct net_device_stats *ps = &aup->stats;
        volatile tx_dma_t *ptxd;
        u32 buff_stat;
        db_dest_t *pDB;
@@ -1918,7 +1903,7 @@ static int au1000_tx(struct sk_buff *skb, struct net_device *dev)
                return 1;
        }
        else if (buff_stat & TX_T_DONE) {
-               update_tx_stats(dev, ptxd->status, ptxd->len & 0x3ff);
+               update_tx_stats(dev, ptxd->status);
                ptxd->len = 0;
        }
 
@@ -1938,6 +1923,9 @@ static int au1000_tx(struct sk_buff *skb, struct net_device *dev)
        else
                ptxd->len = skb->len;
 
+       ps->tx_packets++;
+       ps->tx_bytes += ptxd->len;
+
        ptxd->buff_stat = pDB->dma_addr | TX_DMA_ENABLE;
        au_sync();
        dev_kfree_skb(skb);
@@ -1946,7 +1934,6 @@ static int au1000_tx(struct sk_buff *skb, struct net_device *dev)
        return 0;
 }
 
-
 static inline void update_rx_stats(struct net_device *dev, u32 status)
 {
        struct au1000_private *aup = (struct au1000_private *) dev->priv;
@@ -2084,23 +2071,6 @@ static void au1000_tx_timeout(struct net_device *dev)
        netif_wake_queue(dev);
 }
 
-
-static unsigned const ethernet_polynomial = 0x04c11db7U;
-static inline u32 ether_crc(int length, unsigned char *data)
-{
-    int crc = -1;
-
-    while(--length >= 0) {
-               unsigned char current_octet = *data++;
-               int bit;
-               for (bit = 0; bit < 8; bit++, current_octet >>= 1)
-                       crc = (crc << 1) ^
-                               ((crc < 0) ^ (current_octet & 1) ? 
-                                ethernet_polynomial : 0);
-    }
-    return crc;
-}
-
 static void set_rx_mode(struct net_device *dev)
 {
        struct au1000_private *aup = (struct au1000_private *) dev->priv;