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Commit 72fd1c31 authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds
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[PATCH] convert ewrk3 for new locking etc

parent 178035c9
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Inline Side-by-side
Showing with 76 additions and 82 deletions
drivers/net/ni65.c
View file @ 72fd1c31
......@@ -245,6 +245,7 @@ struct priv
int cmdr_addr;
int cardno;
int features;
spinlock_t ring_lock;
};
static int ni65_probe1(struct net_device *dev,int);
......@@ -299,7 +300,7 @@ static int ni65_open(struct net_device *dev)
int irqval = request_irq(dev->irq, &ni65_interrupt,0,
cards[p->cardno].cardname,dev);
if (irqval) {
printk ("%s: unable to get IRQ %d (irqval=%d).\n",
printk(KERN_ERR "%s: unable to get IRQ %d (irqval=%d).\n",
dev->name,dev->irq, irqval);
return -EAGAIN;
}
......@@ -409,12 +410,14 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
p = (struct priv *) dev->priv;
p->cmdr_addr = ioaddr + cards[i].cmd_offset;
p->cardno = i;
spin_lock_init(&p->ring_lock);
printk("%s: %s found at %#3x, ", dev->name, cards[p->cardno].cardname , ioaddr);
printk(KERN_INFO "%s: %s found at %#3x, ", dev->name, cards[p->cardno].cardname , ioaddr);
outw(inw(PORT+L_RESET),PORT+L_RESET); /* first: reset the card */
if( (j=readreg(CSR0)) != 0x4) {
printk(KERN_ERR "can't RESET card: %04x\n",j);
printk("failed.\n");
printk(KERN_ERR "%s: Can't RESET card: %04x\n", dev->name, j);
ni65_free_buffer(p);
release_region(ioaddr, cards[p->cardno].total_size);
return -EAGAIN;
......@@ -467,7 +470,8 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
break;
}
if(i == 5) {
printk("Can't detect DMA channel!\n");
printk("failed.\n");
printk(KERN_ERR "%s: Can't detect DMA channel!\n", dev->name);
ni65_free_buffer(p);
release_region(ioaddr, cards[p->cardno].total_size);
return -EAGAIN;
......@@ -480,13 +484,13 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
if(dev->irq < 2)
{
unsigned long irq_mask, delay;
unsigned long irq_mask;
ni65_init_lance(p,dev->dev_addr,0,0);
irq_mask = probe_irq_on();
writereg(CSR0_INIT|CSR0_INEA,CSR0); /* trigger interrupt */
delay = jiffies + HZ/50;
while (time_before(jiffies, delay)) ;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ/50);
dev->irq = probe_irq_off(irq_mask);
if(!dev->irq)
{
......@@ -503,7 +507,7 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
if(request_dma(dev->dma, cards[p->cardno].cardname ) != 0)
{
printk("%s: Can't request dma-channel %d\n",dev->name,(int) dev->dma);
printk(KERN_ERR "%s: Can't request dma-channel %d\n",dev->name,(int) dev->dma);
ni65_free_buffer(p);
release_region(ioaddr, cards[p->cardno].total_size);
return -EAGAIN;
......@@ -570,7 +574,7 @@ static void *ni65_alloc_mem(struct net_device *dev,char *what,int size,int type)
if(type) {
ret = skb = alloc_skb(2+16+size,GFP_KERNEL|GFP_DMA);
if(!skb) {
printk("%s: unable to allocate %s memory.\n",dev->name,what);
printk(KERN_WARNING "%s: unable to allocate %s memory.\n",dev->name,what);
return NULL;
}
skb->dev = dev;
......@@ -581,12 +585,12 @@ static void *ni65_alloc_mem(struct net_device *dev,char *what,int size,int type)
else {
ret = ptr = kmalloc(T_BUF_SIZE,GFP_KERNEL | GFP_DMA);
if(!ret) {
printk("%s: unable to allocate %s memory.\n",dev->name,what);
printk(KERN_WARNING "%s: unable to allocate %s memory.\n",dev->name,what);
return NULL;
}
}
if( (u32) virt_to_phys(ptr+size) > 0x1000000) {
printk("%s: unable to allocate %s memory in lower 16MB!\n",dev->name,what);
printk(KERN_WARNING "%s: unable to allocate %s memory in lower 16MB!\n",dev->name,what);
if(type)
kfree_skb(skb);
else
......@@ -692,7 +696,7 @@ static void ni65_stop_start(struct net_device *dev,struct priv *p)
writedatareg(CSR0_STOP);
if(debuglevel > 1)
printk("ni65_stop_start\n");
printk(KERN_DEBUG "ni65_stop_start\n");
if(p->features & INIT_RING_BEFORE_START) {
int i;
......@@ -846,6 +850,8 @@ static irqreturn_t ni65_interrupt(int irq, void * dev_id, struct pt_regs * regs)
p = (struct priv *) dev->priv;
spin_lock(&p->ring_lock);
while(--bcnt) {
csr0 = inw(PORT+L_DATAREG);
......@@ -867,7 +873,7 @@ static irqreturn_t ni65_interrupt(int irq, void * dev_id, struct pt_regs * regs)
{
struct priv *p = (struct priv *) dev->priv;
if(debuglevel > 1)
printk("%s: general error: %04x.\n",dev->name,csr0);
printk(KERN_ERR "%s: general error: %04x.\n",dev->name,csr0);
if(csr0 & CSR0_BABL)
p->stats.tx_errors++;
if(csr0 & CSR0_MISS) {
......@@ -879,7 +885,7 @@ static irqreturn_t ni65_interrupt(int irq, void * dev_id, struct pt_regs * regs)
}
if(csr0 & CSR0_MERR) {
if(debuglevel > 1)
printk("%s: Ooops .. memory error: %04x.\n",dev->name,csr0);
printk(KERN_ERR "%s: Ooops .. memory error: %04x.\n",dev->name,csr0);
ni65_stop_start(dev,p);
}
}
......@@ -932,12 +938,13 @@ static irqreturn_t ni65_interrupt(int irq, void * dev_id, struct pt_regs * regs)
#endif
if( (csr0 & (CSR0_RXON | CSR0_TXON)) != (CSR0_RXON | CSR0_TXON) ) {
printk("%s: RX or TX was offline -> restart\n",dev->name);
printk(KERN_DEBUG "%s: RX or TX was offline -> restart\n",dev->name);
ni65_stop_start(dev,p);
}
else
writedatareg(CSR0_INEA);
spin_unlock(&p->ring_lock);
return IRQ_HANDLED;
}
......@@ -1147,9 +1154,7 @@ static int ni65_send_packet(struct sk_buff *skb, struct net_device *dev)
memset((char *)p->tmdbounce[p->tmdbouncenum]+skb->len, 0, len-skb->len);
dev_kfree_skb (skb);
save_flags(flags);
cli();
spin_lock_irqsave(&p->ring_lock, flags);
tmdp = p->tmdhead + p->tmdnum;
tmdp->u.buffer = (u32) isa_virt_to_bus(p->tmdbounce[p->tmdbouncenum]);
p->tmdbouncenum = (p->tmdbouncenum + 1) & (TMDNUM - 1);
......@@ -1157,8 +1162,7 @@ static int ni65_send_packet(struct sk_buff *skb, struct net_device *dev)
#ifdef XMT_VIA_SKB
}
else {
save_flags(flags);
cli();
spin_lock_irqsave(&p->ring_lock, flags);
tmdp = p->tmdhead + p->tmdnum;
tmdp->u.buffer = (u32) isa_virt_to_bus(skb->data);
......@@ -1178,8 +1182,8 @@ static int ni65_send_packet(struct sk_buff *skb, struct net_device *dev)
p->lock = 0;
dev->trans_start = jiffies;
restore_flags(flags);
spin_unlock_irqrestore(&p->ring_lock, flags);
}
return 0;
......@@ -1238,10 +1242,8 @@ void cleanup_module(void)
{
struct priv *p;
p = (struct priv *) dev_ni65.priv;
if(!p) {
printk("Ooops .. no private struct\n");
return;
}
if(!p)
BUG();
disable_dma(dev_ni65.dma);
free_dma(dev_ni65.dma);
unregister_netdev(&dev_ni65);
......@@ -1250,6 +1252,7 @@ void cleanup_module(void)
dev_ni65.priv = NULL;
}
#endif /* MODULE */
MODULE_LICENSE("GPL");
/*
......
drivers/net/ni65.h
View file @ 72fd1c31
......@@ -20,32 +20,32 @@
#define CSR0_BABL 0x4000 /* Babble transmitter timeout error (RC) */
#define CSR0_CERR 0x2000 /* Collision Error (RC) */
#define CSR0_MISS 0x1000 /* Missed packet (RC) */
#define CSR0_MERR 0x0800 /* Memory Error (RC) */
#define CSR0_MERR 0x0800 /* Memory Error (RC) */
#define CSR0_RINT 0x0400 /* Receiver Interrupt (RC) */
#define CSR0_TINT 0x0200 /* Transmit Interrupt (RC) */
#define CSR0_TINT 0x0200 /* Transmit Interrupt (RC) */
#define CSR0_IDON 0x0100 /* Initialization Done (RC) */
#define CSR0_INTR 0x0080 /* Interrupt Flag (R) */
#define CSR0_INEA 0x0040 /* Interrupt Enable (RW) */
#define CSR0_RXON 0x0020 /* Receiver on (R) */
#define CSR0_TXON 0x0010 /* Transmitter on (R) */
#define CSR0_TXON 0x0010 /* Transmitter on (R) */
#define CSR0_TDMD 0x0008 /* Transmit Demand (RS) */
#define CSR0_STOP 0x0004 /* Stop (RS) */
#define CSR0_STOP 0x0004 /* Stop (RS) */
#define CSR0_STRT 0x0002 /* Start (RS) */
#define CSR0_INIT 0x0001 /* Initialize (RS) */
#define CSR0_CLRALL 0x7f00 /* mask for all clearable bits */
#define CSR0_CLRALL 0x7f00 /* mask for all clearable bits */
/*
* Initialization Block Mode operation Bit Definitions.
*/
#define M_PROM 0x8000 /* Promiscuous Mode */
#define M_INTL 0x0040 /* Internal Loopback */
#define M_DRTY 0x0020 /* Disable Retry */
#define M_INTL 0x0040 /* Internal Loopback */
#define M_DRTY 0x0020 /* Disable Retry */
#define M_COLL 0x0010 /* Force Collision */
#define M_DTCR 0x0008 /* Disable Transmit CRC) */
#define M_LOOP 0x0004 /* Loopback */
#define M_DTX 0x0002 /* Disable the Transmitter */
#define M_DRX 0x0001 /* Disable the Receiver */
#define M_DTX 0x0002 /* Disable the Transmitter */
#define M_DRX 0x0001 /* Disable the Receiver */
/*
......@@ -56,7 +56,7 @@
#define RCV_ERR 0x40 /* Error Summary */
#define RCV_FRAM 0x20 /* Framing Error */
#define RCV_OFLO 0x10 /* Overflow Error */
#define RCV_CRC 0x08 /* CRC Error */
#define RCV_CRC 0x08 /* CRC Error */
#define RCV_BUF_ERR 0x04 /* Buffer Error */
#define RCV_START 0x02 /* Start of Packet */
#define RCV_END 0x01 /* End of Packet */
......@@ -67,7 +67,7 @@
*/
#define XMIT_OWN 0x80 /* owner bit 0 = host, 1 = lance */
#define XMIT_ERR 0x40 /* Error Summary */
#define XMIT_ERR 0x40 /* Error Summary */
#define XMIT_RETRY 0x10 /* more the 1 retry needed to Xmit */
#define XMIT_1_RETRY 0x08 /* one retry needed to Xmit */
#define XMIT_DEF 0x04 /* Deferred */
......@@ -78,53 +78,44 @@
* transmit status (2) (valid if XMIT_ERR == 1)
*/
#define XMIT_TDRMASK 0x03ff /* time-domain-reflectometer-value */
#define XMIT_RTRY 0x0400 /* Failed after 16 retransmissions */
#define XMIT_LCAR 0x0800 /* Loss of Carrier */
#define XMIT_LCOL 0x1000 /* Late collision */
#define XMIT_RESERV 0x2000 /* Reserved */
#define XMIT_UFLO 0x4000 /* Underflow (late memory) */
#define XMIT_BUFF 0x8000 /* Buffering error (no ENP) */
struct init_block
{
unsigned short mode;
unsigned char eaddr[6];
unsigned char filter[8];
/* bit 29-31: number of rmd's (power of 2) */
u32 rrp; /* receive ring pointer (align 8) */
/* bit 29-31: number of tmd's (power of 2) */
u32 trp; /* transmit ring pointer (align 8) */
#define XMIT_TDRMASK 0x03ff /* time-domain-reflectometer-value */
#define XMIT_RTRY 0x0400 /* Failed after 16 retransmissions */
#define XMIT_LCAR 0x0800 /* Loss of Carrier */
#define XMIT_LCOL 0x1000 /* Late collision */
#define XMIT_RESERV 0x2000 /* Reserved */
#define XMIT_UFLO 0x4000 /* Underflow (late memory) */
#define XMIT_BUFF 0x8000 /* Buffering error (no ENP) */
struct init_block {
unsigned short mode;
unsigned char eaddr[6];
unsigned char filter[8];
/* bit 29-31: number of rmd's (power of 2) */
u32 rrp; /* receive ring pointer (align 8) */
/* bit 29-31: number of tmd's (power of 2) */
u32 trp; /* transmit ring pointer (align 8) */
};
struct rmd /* Receive Message Descriptor */
{
union
{
volatile u32 buffer;
struct
{
volatile unsigned char dummy[3];
volatile unsigned char status;
} s;
} u;
volatile short blen;
volatile unsigned short mlen;
struct rmd { /* Receive Message Descriptor */
union {
volatile u32 buffer;
struct {
volatile unsigned char dummy[3];
volatile unsigned char status;
} s;
} u;
volatile short blen;
volatile unsigned short mlen;
};
struct tmd
{
union
{
volatile u32 buffer;
struct
{
volatile unsigned char dummy[3];
volatile unsigned char status;
} s;
} u;
volatile unsigned short blen;
volatile unsigned short status2;
struct tmd {
union {
volatile u32 buffer;
struct {
volatile unsigned char dummy[3];
volatile unsigned char status;
} s;
} u;
volatile unsigned short blen;
volatile unsigned short status2;
};
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