*
* Compile with:
* gcc -O2 -fomit-frame-pointer -m486 -D__KERNEL__ \
- * -DMODULE -c ni5010.c
+ * -DMODULE -c ni5010.c
*
* Insert with e.g.:
* insmod ni5010.ko io=0x300 irq=5
static const char boardname[] = "NI5010";
static char version[] __initdata =
"ni5010.c: v1.02 20060611 Jan-Pascal van Best and Andreas Mohr\n";
-
+
/* bufsize_rcv == 0 means autoprobing */
static unsigned int bufsize_rcv;
static int ni5010_probe1(struct net_device *dev, int ioaddr);
static int ni5010_open(struct net_device *dev);
static int ni5010_send_packet(struct sk_buff *skb, struct net_device *dev);
-static irqreturn_t ni5010_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t ni5010_interrupt(int irq, void *dev_id);
static void ni5010_rx(struct net_device *dev);
static void ni5010_timeout(struct net_device *dev);
static int ni5010_close(struct net_device *dev);
* - Andreas
*/
- PRINTK2((KERN_DEBUG "%s: entering ni5010_probe1(%#3x)\n",
+ PRINTK2((KERN_DEBUG "%s: entering ni5010_probe1(%#3x)\n",
dev->name, ioaddr));
if (inb(ioaddr+0) == 0xff)
}
printk("-> bufsize rcv/xmt=%d/%d\n", bufsize_rcv, NI5010_BUFSIZE);
memset(dev->priv, 0, sizeof(struct ni5010_local));
-
+
dev->open = ni5010_open;
dev->stop = ni5010_close;
dev->hard_start_xmit = ni5010_send_packet;
return err;
}
-/*
+/*
* Open/initialize the board. This is called (in the current kernel)
* sometime after booting when the 'ifconfig' program is run.
*
* registers that "should" only need to be set once at boot, so that
* there is a non-reboot way to recover if something goes wrong.
*/
-
+
static int ni5010_open(struct net_device *dev)
{
int ioaddr = dev->base_addr;
int i;
- PRINTK2((KERN_DEBUG "%s: entering ni5010_open()\n", dev->name));
-
+ PRINTK2((KERN_DEBUG "%s: entering ni5010_open()\n", dev->name));
+
if (request_irq(dev->irq, &ni5010_interrupt, 0, boardname, dev)) {
printk(KERN_WARNING "%s: Cannot get irq %#2x\n", dev->name, dev->irq);
return -EAGAIN;
for(i = 0;i < 6; i++) {
outb(dev->dev_addr[i], EDLC_ADDR + i);
}
-
- PRINTK3((KERN_DEBUG "%s: Initialising ni5010\n", dev->name));
+
+ PRINTK3((KERN_DEBUG "%s: Initialising ni5010\n", dev->name));
outb(0, EDLC_XMASK); /* No xmit interrupts for now */
- outb(XMD_IG_PAR | XMD_T_MODE | XMD_LBC, EDLC_XMODE);
+ outb(XMD_IG_PAR | XMD_T_MODE | XMD_LBC, EDLC_XMODE);
/* Normal packet xmit mode */
outb(0xff, EDLC_XCLR); /* Clear all pending xmit interrupts */
outb(RMD_BROADCAST, EDLC_RMODE);
/* Receive broadcast and normal packets */
reset_receiver(dev); /* Ready ni5010 for receiving packets */
-
+
outb(0, EDLC_RESET); /* Un-reset the ni5010 */
-
+
netif_start_queue(dev);
-
- if (NI5010_DEBUG) ni5010_show_registers(dev);
+
+ if (NI5010_DEBUG) ni5010_show_registers(dev);
PRINTK((KERN_DEBUG "%s: open successful\n", dev->name));
return 0;
static void reset_receiver(struct net_device *dev)
{
int ioaddr = dev->base_addr;
-
+
PRINTK3((KERN_DEBUG "%s: resetting receiver\n", dev->name));
outw(0, IE_GP); /* Receive packet at start of buffer */
outb(0xff, EDLC_RCLR); /* Clear all pending rcv interrupts */
PRINTK2((KERN_DEBUG "%s: entering ni5010_send_packet\n", dev->name));
- /*
+ /*
* Block sending
*/
-
+
netif_stop_queue(dev);
hardware_send_packet(dev, (unsigned char *)skb->data, skb->len, length-skb->len);
dev->trans_start = jiffies;
return 0;
}
-/*
+/*
* The typical workload of the driver:
- * Handle the network interface interrupts.
+ * Handle the network interface interrupts.
*/
-static irqreturn_t ni5010_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ni5010_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
struct ni5010_local *lp;
ioaddr = dev->base_addr;
lp = netdev_priv(dev);
-
+
spin_lock(&lp->lock);
- status = inb(IE_ISTAT);
+ status = inb(IE_ISTAT);
PRINTK3((KERN_DEBUG "%s: IE_ISTAT = %#02x\n", dev->name, status));
-
+
if ((status & IS_R_INT) == 0) ni5010_rx(dev);
if ((status & IS_X_INT) == 0) {
outb(0, IE_DMA_RST); /* Reset DMA int */
}
- if (!xmit_was_error)
- reset_receiver(dev);
+ if (!xmit_was_error)
+ reset_receiver(dev);
spin_unlock(&lp->lock);
return IRQ_HANDLED;
}
static void dump_packet(void *buf, int len)
{
int i;
-
+
printk(KERN_DEBUG "Packet length = %#4x\n", len);
for (i = 0; i < len; i++){
if (i % 16 == 0) printk(KERN_DEBUG "%#4.4x", i);
if (i % 16 == 15) printk("\n");
}
printk("\n");
-
+
return;
}
unsigned char rcv_stat;
struct sk_buff *skb;
int i_pkt_size;
-
- PRINTK2((KERN_DEBUG "%s: entering ni5010_rx()\n", dev->name));
-
+
+ PRINTK2((KERN_DEBUG "%s: entering ni5010_rx()\n", dev->name));
+
rcv_stat = inb(EDLC_RSTAT);
- PRINTK3((KERN_DEBUG "%s: EDLC_RSTAT = %#2x\n", dev->name, rcv_stat));
-
+ PRINTK3((KERN_DEBUG "%s: EDLC_RSTAT = %#2x\n", dev->name, rcv_stat));
+
if ( (rcv_stat & RS_VALID_BITS) != RS_PKT_OK) {
PRINTK((KERN_INFO "%s: receive error.\n", dev->name));
lp->stats.rx_errors++;
outb(0xff, EDLC_RCLR); /* Clear the interrupt */
return;
}
-
+
outb(0xff, EDLC_RCLR); /* Clear the interrupt */
i_pkt_size = inw(IE_RCNT);
if (i_pkt_size > ETH_FRAME_LEN || i_pkt_size < 10 ) {
- PRINTK((KERN_DEBUG "%s: Packet size error, packet size = %#4.4x\n",
+ PRINTK((KERN_DEBUG "%s: Packet size error, packet size = %#4.4x\n",
dev->name, i_pkt_size));
lp->stats.rx_errors++;
lp->stats.rx_length_errors++;
lp->stats.rx_dropped++;
return;
}
-
+
skb->dev = dev;
skb_reserve(skb, 2);
-
+
/* Read packet into buffer */
outb(MM_MUX, IE_MMODE); /* Rcv buffer to system bus */
outw(0, IE_GP); /* Seek to beginning of packet */
- insb(IE_RBUF, skb_put(skb, i_pkt_size), i_pkt_size);
-
- if (NI5010_DEBUG >= 4)
- dump_packet(skb->data, skb->len);
-
+ insb(IE_RBUF, skb_put(skb, i_pkt_size), i_pkt_size);
+
+ if (NI5010_DEBUG >= 4)
+ dump_packet(skb->data, skb->len);
+
skb->protocol = eth_type_trans(skb,dev);
netif_rx(skb);
dev->last_rx = jiffies;
lp->stats.rx_packets++;
lp->stats.rx_bytes += i_pkt_size;
- PRINTK2((KERN_DEBUG "%s: Received packet, size=%#4.4x\n",
+ PRINTK2((KERN_DEBUG "%s: Received packet, size=%#4.4x\n",
dev->name, i_pkt_size));
-
+
}
static int process_xmt_interrupt(struct net_device *dev)
xmit_stat = inb(EDLC_XSTAT);
PRINTK3((KERN_DEBUG "%s: EDLC_XSTAT = %2.2x\n", dev->name, xmit_stat));
-
+
outb(0, EDLC_XMASK); /* Disable xmit IRQ's */
outb(0xff, EDLC_XCLR); /* Clear all pending xmit IRQ's */
-
+
if (xmit_stat & XS_COLL){
- PRINTK((KERN_DEBUG "%s: collision detected, retransmitting\n",
+ PRINTK((KERN_DEBUG "%s: collision detected, retransmitting\n",
dev->name));
outw(NI5010_BUFSIZE - lp->o_pkt_size, IE_GP);
/* outb(0, IE_MMODE); */ /* xmt buf on sysbus FIXME: needed ? */
lp->stats.tx_packets++;
lp->stats.tx_bytes += lp->o_pkt_size;
netif_wake_queue(dev);
-
- PRINTK2((KERN_DEBUG "%s: sent packet, size=%#4.4x\n",
+
+ PRINTK2((KERN_DEBUG "%s: sent packet, size=%#4.4x\n",
dev->name, lp->o_pkt_size));
return 0;
outb(RS_RESET, EDLC_RESET);
netif_stop_queue(dev);
-
+
PRINTK((KERN_DEBUG "%s: %s closed down\n", dev->name, boardname));
return 0;
struct ni5010_local *lp = netdev_priv(dev);
PRINTK2((KERN_DEBUG "%s: entering ni5010_get_stats\n", dev->name));
-
+
if (NI5010_DEBUG) ni5010_show_registers(dev);
-
+
/* cli(); */
/* Update the statistics from the device registers. */
/* We do this in the interrupt handler */
*/
static void ni5010_set_multicast_list(struct net_device *dev)
{
- short ioaddr = dev->base_addr;
+ short ioaddr = dev->base_addr;
PRINTK2((KERN_DEBUG "%s: entering set_multicast_list\n", dev->name));
unsigned int buf_offs;
PRINTK2((KERN_DEBUG "%s: entering hardware_send_packet\n", dev->name));
-
+
if (length > ETH_FRAME_LEN) {
PRINTK((KERN_WARNING "%s: packet too large, not possible\n",
dev->name));
if (NI5010_DEBUG) ni5010_show_registers(dev);
if (inb(IE_ISTAT) & IS_EN_XMT) {
- PRINTK((KERN_WARNING "%s: sending packet while already transmitting, not possible\n",
+ PRINTK((KERN_WARNING "%s: sending packet while already transmitting, not possible\n",
dev->name));
return;
}
-
+
if (NI5010_DEBUG > 3) dump_packet(buf, length);
buf_offs = NI5010_BUFSIZE - length - pad;
outsb(IE_XBUF, buf, length); /* Put data in buffer */
while(pad--)
outb(0, IE_XBUF);
-
+
outw(buf_offs, IE_GP); /* Rewrite where packet starts */
/* should work without that outb() (Crynwr used it) */
spin_unlock_irqrestore(&lp->lock, flags);
netif_wake_queue(dev);
-
- if (NI5010_DEBUG) ni5010_show_registers(dev);
+
+ if (NI5010_DEBUG) ni5010_show_registers(dev);
}
static void chipset_init(struct net_device *dev, int startp)
static void ni5010_show_registers(struct net_device *dev)
{
int ioaddr = dev->base_addr;
-
+
PRINTK3((KERN_DEBUG "%s: XSTAT %#2.2x\n", dev->name, inb(EDLC_XSTAT)));
PRINTK3((KERN_DEBUG "%s: XMASK %#2.2x\n", dev->name, inb(EDLC_XMASK)));
PRINTK3((KERN_DEBUG "%s: RSTAT %#2.2x\n", dev->name, inb(EDLC_RSTAT)));
git://git.onelab.eu / linux-2.6.git / blobdiff