drivers: wireless: bcm4329: set MMC_PM_KEEP_POWER on suspend
[linux-2.6.git] / drivers / net / eexpress.c
index 05ca730..a192285 100644 (file)
@@ -8,8 +8,8 @@
  *
  * Many modifications, and currently maintained, by
  *  Philip Blundell <philb@gnu.org>
- * Added the Compaq LTE  Alan Cox <alan@redhat.com>
- * Added MCA support Adam Fritzler <mid@auk.cx>
+ * Added the Compaq LTE  Alan Cox <alan@lxorguk.ukuu.org.uk>
+ * Added MCA support Adam Fritzler
  *
  * Note - this driver is experimental still - it has problems on faster
  * machines. Someone needs to sit down and go through it line by line with
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
-#include <linux/slab.h>
 #include <linux/mca-legacy.h>
 #include <linux/spinlock.h>
 #include <linux/bitops.h>
+#include <linux/jiffies.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
 
 struct net_local
 {
-       struct net_device_stats stats;
        unsigned long last_tx;       /* jiffies when last transmit started */
        unsigned long init_time;     /* jiffies when eexp_hw_init586 called */
        unsigned short rx_first;     /* first rx buf, same as RX_BUF_START */
@@ -202,7 +201,7 @@ static unsigned short start_code[] = {
        0x0000,Cmd_MCast,
        0x0076,                 /* link to next command */
 #define CONF_NR_MULTICAST 0x44
-       0x0000,                 /* number of multicast addresses */
+       0x0000,                 /* number of bytes in multicast address(es) */
 #define CONF_MULTICAST 0x46
        0x0000, 0x0000, 0x0000, /* some addresses */
        0x0000, 0x0000, 0x0000,
@@ -246,8 +245,8 @@ static char mca_irqmap[] = { 12, 9, 3, 4, 5, 10, 11, 15 };
 static int eexp_open(struct net_device *dev);
 static int eexp_close(struct net_device *dev);
 static void eexp_timeout(struct net_device *dev);
-static struct net_device_stats *eexp_stats(struct net_device *dev);
-static int eexp_xmit(struct sk_buff *buf, struct net_device *dev);
+static netdev_tx_t eexp_xmit(struct sk_buff *buf,
+                            struct net_device *dev);
 
 static irqreturn_t eexp_irq(int irq, void *dev_addr);
 static void eexp_set_multicast(struct net_device *dev);
@@ -340,8 +339,6 @@ static int __init do_express_probe(struct net_device *dev)
        int dev_irq = dev->irq;
        int err;
 
-       SET_MODULE_OWNER(dev);
-
        dev->if_port = 0xff; /* not set */
 
 #ifdef CONFIG_MCA_LEGACY
@@ -368,7 +365,7 @@ static int __init do_express_probe(struct net_device *dev)
                        dev->irq = mca_irqmap[(pos1>>4)&0x7];
 
                        /*
-                        * XXX: Transciever selection is done
+                        * XXX: Transceiver selection is done
                         * differently on the MCA version.
                         * How to get it to select something
                         * other than external/AUI is currently
@@ -459,8 +456,9 @@ static int eexp_open(struct net_device *dev)
        if (!dev->irq || !irqrmap[dev->irq])
                return -ENXIO;
 
-       ret = request_irq(dev->irq,&eexp_irq,0,dev->name,dev);
-       if (ret) return ret;
+       ret = request_irq(dev->irq, eexp_irq, 0, dev->name, dev);
+       if (ret)
+               return ret;
 
        if (!request_region(ioaddr, EEXP_IO_EXTENT, "EtherExpress")) {
                printk(KERN_WARNING "EtherExpress io port %x, is busy.\n"
@@ -534,17 +532,6 @@ static int eexp_close(struct net_device *dev)
 }
 
 /*
- * Return interface stats
- */
-
-static struct net_device_stats *eexp_stats(struct net_device *dev)
-{
-       struct net_local *lp = netdev_priv(dev);
-
-       return &lp->stats;
-}
-
-/*
  * This gets called when a higher level thinks we are broken.  Check that
  * nothing has become jammed in the CU.
  */
@@ -556,7 +543,7 @@ static void unstick_cu(struct net_device *dev)
 
        if (lp->started)
        {
-               if ((jiffies - dev->trans_start)>50)
+               if (time_after(jiffies, dev_trans_start(dev) + HZ/2))
                {
                        if (lp->tx_link==lp->last_tx_restart)
                        {
@@ -612,7 +599,7 @@ static void unstick_cu(struct net_device *dev)
        }
        else
        {
-               if ((jiffies-lp->init_time)>10)
+               if (time_after(jiffies, lp->init_time + 10))
                {
                        unsigned short status = scb_status(dev);
                        printk(KERN_WARNING "%s: i82586 startup timed out, status %04x, resetting...\n",
@@ -647,7 +634,7 @@ static void eexp_timeout(struct net_device *dev)
        printk(KERN_INFO "%s: transmit timed out, %s?\n", dev->name,
               (SCB_complete(status)?"lost interrupt":
                "board on fire"));
-       lp->stats.tx_errors++;
+       dev->stats.tx_errors++;
        lp->last_tx = jiffies;
        if (!SCB_complete(status)) {
                scb_command(dev, SCB_CUabort);
@@ -663,11 +650,11 @@ static void eexp_timeout(struct net_device *dev)
  * Called to transmit a packet, or to allow us to right ourselves
  * if the kernel thinks we've died.
  */
-static int eexp_xmit(struct sk_buff *buf, struct net_device *dev)
+static netdev_tx_t eexp_xmit(struct sk_buff *buf, struct net_device *dev)
 {
-       struct net_local *lp = netdev_priv(dev);
        short length = buf->len;
 #ifdef CONFIG_SMP
+       struct net_local *lp = netdev_priv(dev);
        unsigned long flags;
 #endif
 
@@ -677,7 +664,7 @@ static int eexp_xmit(struct sk_buff *buf, struct net_device *dev)
 
        if (buf->len < ETH_ZLEN) {
                if (skb_padto(buf, ETH_ZLEN))
-                       return 0;
+                       return NETDEV_TX_OK;
                length = ETH_ZLEN;
        }
 
@@ -695,7 +682,7 @@ static int eexp_xmit(struct sk_buff *buf, struct net_device *dev)
        {
                unsigned short *data = (unsigned short *)buf->data;
 
-               lp->stats.tx_bytes += length;
+               dev->stats.tx_bytes += length;
 
                eexp_hw_tx_pio(dev,data,length);
        }
@@ -704,7 +691,7 @@ static int eexp_xmit(struct sk_buff *buf, struct net_device *dev)
        spin_unlock_irqrestore(&lp->lock, flags);
 #endif
        enable_irq(dev->irq);
-       return 0;
+       return NETDEV_TX_OK;
 }
 
 /*
@@ -714,13 +701,6 @@ static int eexp_xmit(struct sk_buff *buf, struct net_device *dev)
  * check to make sure we've not become wedged.
  */
 
-/*
- * Handle an EtherExpress interrupt
- * If we've finished initializing, start the RU and CU up.
- * If we've already started, reap tx buffers, handle any received packets,
- * check to make sure we've not become wedged.
- */
-
 static unsigned short eexp_start_irq(struct net_device *dev,
                                     unsigned short status)
 {
@@ -783,26 +763,19 @@ static unsigned short eexp_start_irq(struct net_device *dev,
 static void eexp_cmd_clear(struct net_device *dev)
 {
        unsigned long int oldtime = jiffies;
-       while (scb_rdcmd(dev) && ((jiffies-oldtime)<10));
+       while (scb_rdcmd(dev) && (time_before(jiffies, oldtime + 10)));
        if (scb_rdcmd(dev)) {
                printk("%s: command didn't clear\n", dev->name);
        }
 }
 
-static irqreturn_t eexp_irq(int irq, void *dev_info)
+static irqreturn_t eexp_irq(int dummy, void *dev_info)
 {
        struct net_device *dev = dev_info;
        struct net_local *lp;
        unsigned short ioaddr,status,ack_cmd;
        unsigned short old_read_ptr, old_write_ptr;
 
-       if (dev==NULL)
-       {
-               printk(KERN_WARNING "eexpress: irq %d for unknown device\n",
-                      irq);
-               return IRQ_NONE;
-       }
-
        lp = netdev_priv(dev);
        ioaddr = dev->base_addr;
 
@@ -811,8 +784,7 @@ static irqreturn_t eexp_irq(int irq, void *dev_info)
        old_read_ptr = inw(ioaddr+READ_PTR);
        old_write_ptr = inw(ioaddr+WRITE_PTR);
 
-       outb(SIRQ_dis|irqrmap[irq],ioaddr+SET_IRQ);
-
+       outb(SIRQ_dis|irqrmap[dev->irq], ioaddr+SET_IRQ);
 
        status = scb_status(dev);
 
@@ -858,7 +830,7 @@ static irqreturn_t eexp_irq(int irq, void *dev_info)
                        outw(rbd+8, ioaddr+READ_PTR);
                        printk("[%04x]\n", inw(ioaddr+DATAPORT));
 #endif
-                       lp->stats.rx_errors++;
+                       dev->stats.rx_errors++;
 #if 1
                        eexp_hw_rxinit(dev);
 #else
@@ -879,7 +851,7 @@ static irqreturn_t eexp_irq(int irq, void *dev_info)
 
        eexp_cmd_clear(dev);
 
-       outb(SIRQ_en|irqrmap[irq],ioaddr+SET_IRQ);
+       outb(SIRQ_en|irqrmap[dev->irq], ioaddr+SET_IRQ);
 
 #if NET_DEBUG > 6
        printk("%s: leaving eexp_irq()\n", dev->name);
@@ -967,17 +939,17 @@ static void eexp_hw_rx_pio(struct net_device *dev)
                        }
                        else if (!FD_OK(status))
                        {
-                               lp->stats.rx_errors++;
+                               dev->stats.rx_errors++;
                                if (FD_CRC(status))
-                                       lp->stats.rx_crc_errors++;
+                                       dev->stats.rx_crc_errors++;
                                if (FD_Align(status))
-                                       lp->stats.rx_frame_errors++;
+                                       dev->stats.rx_frame_errors++;
                                if (FD_Resrc(status))
-                                       lp->stats.rx_fifo_errors++;
+                                       dev->stats.rx_fifo_errors++;
                                if (FD_DMA(status))
-                                       lp->stats.rx_over_errors++;
+                                       dev->stats.rx_over_errors++;
                                if (FD_Short(status))
-                                       lp->stats.rx_length_errors++;
+                                       dev->stats.rx_length_errors++;
                        }
                        else
                        {
@@ -987,18 +959,16 @@ static void eexp_hw_rx_pio(struct net_device *dev)
                                if (skb == NULL)
                                {
                                        printk(KERN_WARNING "%s: Memory squeeze, dropping packet\n",dev->name);
-                                       lp->stats.rx_dropped++;
+                                       dev->stats.rx_dropped++;
                                        break;
                                }
-                               skb->dev = dev;
                                skb_reserve(skb, 2);
                                outw(pbuf+10, ioaddr+READ_PTR);
                                insw(ioaddr+DATAPORT, skb_put(skb,pkt_len),(pkt_len+1)>>1);
                                skb->protocol = eth_type_trans(skb,dev);
                                netif_rx(skb);
-                               dev->last_rx = jiffies;
-                               lp->stats.rx_packets++;
-                               lp->stats.rx_bytes += pkt_len;
+                               dev->stats.rx_packets++;
+                               dev->stats.rx_bytes += pkt_len;
                        }
                        outw(rx_block, ioaddr+WRITE_PTR);
                        outw(0, ioaddr+DATAPORT);
@@ -1048,7 +1018,7 @@ static void eexp_hw_tx_pio(struct net_device *dev, unsigned short *buf,
        outw(lp->tx_head+0x16, ioaddr + DATAPORT);
        outw(0, ioaddr + DATAPORT);
 
-        outsw(ioaddr + DATAPORT, buf, (len+1)>>1);
+       outsw(ioaddr + DATAPORT, buf, (len+1)>>1);
 
        outw(lp->tx_tail+0xc, ioaddr + WRITE_PTR);
        outw(lp->tx_head, ioaddr + DATAPORT);
@@ -1069,14 +1039,25 @@ static void eexp_hw_tx_pio(struct net_device *dev, unsigned short *buf,
                outw(0xFFFF, ioaddr+SIGNAL_CA);
        }
 
-       lp->stats.tx_packets++;
+       dev->stats.tx_packets++;
        lp->last_tx = jiffies;
 }
 
+static const struct net_device_ops eexp_netdev_ops = {
+       .ndo_open               = eexp_open,
+       .ndo_stop               = eexp_close,
+       .ndo_start_xmit         = eexp_xmit,
+       .ndo_set_multicast_list = eexp_set_multicast,
+       .ndo_tx_timeout         = eexp_timeout,
+       .ndo_change_mtu         = eth_change_mtu,
+       .ndo_set_mac_address    = eth_mac_addr,
+       .ndo_validate_addr      = eth_validate_addr,
+};
+
 /*
  * Sanity check the suspected EtherExpress card
  * Read hardware address, reset card, size memory and initialize buffer
- * memory pointers. These are held in dev->priv, in case someone has more
+ * memory pointers. These are held in netdev_priv(), in case someone has more
  * than one card in a machine.
  */
 
@@ -1122,7 +1103,7 @@ static int __init eexp_hw_probe(struct net_device *dev, unsigned short ioaddr)
                dev->dev_addr[i] = ((unsigned char *)hw_addr)[5-i];
 
        {
-               static char irqmap[]={0, 9, 3, 4, 5, 10, 11, 0};
+               static const char irqmap[] = { 0, 9, 3, 4, 5, 10, 11, 0 };
                unsigned short setupval = eexp_hw_readeeprom(ioaddr,0);
 
                /* Use the IRQ from EEPROM if none was given */
@@ -1193,12 +1174,7 @@ static int __init eexp_hw_probe(struct net_device *dev, unsigned short ioaddr)
        lp->rx_buf_start = TX_BUF_START + (lp->num_tx_bufs*TX_BUF_SIZE);
        lp->width = buswidth;
 
-       dev->open = eexp_open;
-       dev->stop = eexp_close;
-       dev->hard_start_xmit = eexp_xmit;
-       dev->get_stats = eexp_stats;
-       dev->set_multicast_list = &eexp_set_multicast;
-       dev->tx_timeout = eexp_timeout;
+       dev->netdev_ops = &eexp_netdev_ops;
        dev->watchdog_timeo = 2*HZ;
 
        return register_netdev(dev);
@@ -1279,35 +1255,35 @@ static unsigned short eexp_hw_lasttxstat(struct net_device *dev)
                else
                {
                        lp->last_tx_restart = 0;
-                       lp->stats.collisions += Stat_NoColl(status);
+                       dev->stats.collisions += Stat_NoColl(status);
                        if (!Stat_OK(status))
                        {
                                char *whatsup = NULL;
-                               lp->stats.tx_errors++;
+                               dev->stats.tx_errors++;
                                if (Stat_Abort(status))
-                                       lp->stats.tx_aborted_errors++;
+                                       dev->stats.tx_aborted_errors++;
                                if (Stat_TNoCar(status)) {
                                        whatsup = "aborted, no carrier";
-                                       lp->stats.tx_carrier_errors++;
+                                       dev->stats.tx_carrier_errors++;
                                }
                                if (Stat_TNoCTS(status)) {
                                        whatsup = "aborted, lost CTS";
-                                       lp->stats.tx_carrier_errors++;
+                                       dev->stats.tx_carrier_errors++;
                                }
                                if (Stat_TNoDMA(status)) {
                                        whatsup = "FIFO underran";
-                                       lp->stats.tx_fifo_errors++;
+                                       dev->stats.tx_fifo_errors++;
                                }
                                if (Stat_TXColl(status)) {
                                        whatsup = "aborted, too many collisions";
-                                       lp->stats.tx_aborted_errors++;
+                                       dev->stats.tx_aborted_errors++;
                                }
                                if (whatsup)
                                        printk(KERN_INFO "%s: transmit %s\n",
                                               dev->name, whatsup);
                        }
                        else
-                               lp->stats.tx_packets++;
+                               dev->stats.tx_packets++;
                }
                if (tx_block == TX_BUF_START+((lp->num_tx_bufs-1)*TX_BUF_SIZE))
                        lp->tx_reap = tx_block = TX_BUF_START;
@@ -1498,13 +1474,13 @@ static void eexp_hw_init586(struct net_device *dev)
        outw(0x0000, ioaddr + 0x800c);
        outw(0x0000, ioaddr + 0x800e);
 
-       for (i = 0; i < (sizeof(start_code)); i+=32) {
+       for (i = 0; i < ARRAY_SIZE(start_code) * 2; i+=32) {
                int j;
                outw(i, ioaddr + SM_PTR);
-               for (j = 0; j < 16; j+=2)
+               for (j = 0; j < 16 && (i+j)/2 < ARRAY_SIZE(start_code); j+=2)
                        outw(start_code[(i+j)/2],
                             ioaddr+0x4000+j);
-               for (j = 0; j < 16; j+=2)
+               for (j = 0; j < 16 && (i+j+16)/2 < ARRAY_SIZE(start_code); j+=2)
                        outw(start_code[(i+j+16)/2],
                             ioaddr+0x8000+j);
        }
@@ -1594,14 +1570,13 @@ static void eexp_hw_init586(struct net_device *dev)
 #if NET_DEBUG > 6
         printk("%s: leaving eexp_hw_init586()\n", dev->name);
 #endif
-       return;
 }
 
 static void eexp_setup_filter(struct net_device *dev)
 {
-       struct dev_mc_list *dmi = dev->mc_list;
+       struct netdev_hw_addr *ha;
        unsigned short ioaddr = dev->base_addr;
-       int count = dev->mc_count;
+       int count = netdev_mc_count(dev);
        int i;
        if (count > 8) {
                printk(KERN_INFO "%s: too many multicast addresses (%d)\n",
@@ -1610,23 +1585,20 @@ static void eexp_setup_filter(struct net_device *dev)
        }
 
        outw(CONF_NR_MULTICAST & ~31, ioaddr+SM_PTR);
-       outw(count, ioaddr+SHADOW(CONF_NR_MULTICAST));
-       for (i = 0; i < count; i++) {
-               unsigned short *data = (unsigned short *)dmi->dmi_addr;
-               if (!dmi) {
-                       printk(KERN_INFO "%s: too few multicast addresses\n", dev->name);
+       outw(6*count, ioaddr+SHADOW(CONF_NR_MULTICAST));
+       i = 0;
+       netdev_for_each_mc_addr(ha, dev) {
+               unsigned short *data = (unsigned short *) ha->addr;
+
+               if (i == count)
                        break;
-               }
-               if (dmi->dmi_addrlen != ETH_ALEN) {
-                       printk(KERN_INFO "%s: invalid multicast address length given.\n", dev->name);
-                       continue;
-               }
                outw((CONF_MULTICAST+(6*i)) & ~31, ioaddr+SM_PTR);
                outw(data[0], ioaddr+SHADOW(CONF_MULTICAST+(6*i)));
                outw((CONF_MULTICAST+(6*i)+2) & ~31, ioaddr+SM_PTR);
                outw(data[1], ioaddr+SHADOW(CONF_MULTICAST+(6*i)+2));
                outw((CONF_MULTICAST+(6*i)+4) & ~31, ioaddr+SM_PTR);
                outw(data[2], ioaddr+SHADOW(CONF_MULTICAST+(6*i)+4));
+               i++;
        }
 }
 
@@ -1649,9 +1621,9 @@ eexp_set_multicast(struct net_device *dev)
         }
         if (!(dev->flags & IFF_PROMISC)) {
                 eexp_setup_filter(dev);
-                if (lp->old_mc_count != dev->mc_count) {
+                if (lp->old_mc_count != netdev_mc_count(dev)) {
                         kick = 1;
-                        lp->old_mc_count = dev->mc_count;
+                        lp->old_mc_count = netdev_mc_count(dev);
                 }
         }
         if (kick) {
@@ -1664,7 +1636,7 @@ eexp_set_multicast(struct net_device *dev)
 #endif
                 oj = jiffies;
                 while ((SCB_CUstat(scb_status(dev)) == 2) &&
-                       ((jiffies-oj) < 2000));
+                       (time_before(jiffies, oj + 2000)));
                if (SCB_CUstat(scb_status(dev)) == 2)
                        printk("%s: warning, CU didn't stop\n", dev->name);
                 lp->started &= ~(STARTED_CU);
@@ -1726,7 +1698,7 @@ int __init init_module(void)
        return -ENXIO;
 }
 
-void cleanup_module(void)
+void __exit cleanup_module(void)
 {
        int this_dev;