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authorRalf Baechle <ralf@linux-mips.org>1997-04-29 21:13:14 +0000
committer <ralf@linux-mips.org>1997-04-29 21:13:14 +0000
commit19c9bba94152148523ba0f7ef7cffe3d45656b11 (patch)
tree40b1cb534496a7f1ca0f5c314a523c69f1fee464 /drivers/net/ni52.c
parent7206675c40394c78a90e74812bbdbf8cf3cca1be (diff)
Import of Linux/MIPS 2.1.36
Diffstat (limited to 'drivers/net/ni52.c')
-rw-r--r--drivers/net/ni52.c1913
1 files changed, 960 insertions, 953 deletions
diff --git a/drivers/net/ni52.c b/drivers/net/ni52.c
index 18ef6949f..746037adf 100644
--- a/drivers/net/ni52.c
+++ b/drivers/net/ni52.c
@@ -1,9 +1,9 @@
-/*
+/*
* net-3-driver for the NI5210 card (i82586 Ethernet chip)
*
* This is an extension to the Linux operating system, and is covered by the
* same Gnu Public License that covers that work.
- *
+ *
* Alphacode 0.82 (96/09/29) for Linux 2.0.0 (or later)
* Copyrights (c) 1994,1995,1996 by M.Hipp (Michael.Hipp@student.uni-tuebingen.de)
* [feel free to mail ....]
@@ -15,11 +15,11 @@
* insmod ni52.o io=0x360 irq=9 memstart=0xd0000 memend=0xd4000
*
* CAN YOU PLEASE REPORT ME YOUR PERFORMANCE EXPERIENCES !!.
- *
+ *
* If you find a bug, please report me:
* The kernel panic output and any kmsg from the ni52 driver
- * the ni5210-driver-version and the linux-kernel version
- * how many shared memory (memsize) on the netcard,
+ * the ni5210-driver-version and the linux-kernel version
+ * how many shared memory (memsize) on the netcard,
* bootprom: yes/no, base_addr, mem_start
* maybe the ni5210-card revision and the i82586 version
*
@@ -38,52 +38,52 @@
*
* Known Problems:
* The internal sysbus seems to be slow. So we often lose packets because of
- * overruns while receiving from a fast remote host.
+ * overruns while receiving from a fast remote host.
* This can slow down TCP connections. Maybe the newer ni5210 cards are better.
* my experience is, that if a machine sends with more then about 500-600K/s
* the fifo/sysbus overflows.
- *
+ *
* IMPORTANT NOTE:
* On fast networks, it's a (very) good idea to have 16K shared memory. With
- * 8K, we can store only 4 receive frames, so it can (easily) happen that a remote
+ * 8K, we can store only 4 receive frames, so it can (easily) happen that a remote
* machine 'overruns' our system.
*
* Known i82586/card problems (I'm sure, there are many more!):
* Running the NOP-mode, the i82586 sometimes seems to forget to report
* every xmit-interrupt until we restart the CU.
- * Another MAJOR bug is, that the RU sometimes seems to ignore the EL-Bit
- * in the RBD-Struct which indicates an end of the RBD queue.
- * Instead, the RU fetches another (randomly selected and
- * usually used) RBD and begins to fill it. (Maybe, this happens only if
+ * Another MAJOR bug is, that the RU sometimes seems to ignore the EL-Bit
+ * in the RBD-Struct which indicates an end of the RBD queue.
+ * Instead, the RU fetches another (randomly selected and
+ * usually used) RBD and begins to fill it. (Maybe, this happens only if
* the last buffer from the previous RFD fits exact into the queue and
* the next RFD can't fetch an initial RBD. Anyone knows more? )
*
- * results from ftp performance tests with Linux 1.2.5
+ * results from ftp performance tests with Linux 1.2.5
* send and receive about 350-400 KByte/s (peak up to 460 kbytes/s)
* sending in NOP-mode: peak performance up to 530K/s (but better don't run this mode)
*/
/*
- * 29.Sept.96: virt_to_bus changes for new memory scheme
+ * 29.Sept.96: virt_to_bus changes for new memory scheme
* 19.Feb.96: more Mcast changes, module support (MH)
*
* 18.Nov.95: Mcast changes (AC).
*
* 23.April.95: fixed(?) receiving problems by configuring a RFD more
- * than the number of RBD's. Can maybe cause other problems.
+ * than the number of RBD's. Can maybe cause other problems.
* 18.April.95: Added MODULE support (MH)
* 17.April.95: MC related changes in init586() and set_multicast_list().
* removed use of 'jiffies' in init586() (MH)
*
* 19.Sep.94: Added Multicast support (not tested yet) (MH)
- *
- * 18.Sep.94: Workaround for 'EL-Bug'. Removed flexible RBD-handling.
+ *
+ * 18.Sep.94: Workaround for 'EL-Bug'. Removed flexible RBD-handling.
* Now, every RFD has exact one RBD. (MH)
*
* 14.Sep.94: added promiscuous mode, a few cleanups (MH)
*
* 19.Aug.94: changed request_irq() parameter (MH)
- *
+ *
* 20.July.94: removed cleanup bugs, removed a 16K-mem-probe-bug (MH)
*
* 19.July.94: lotsa cleanups .. (MH)
@@ -96,7 +96,7 @@
*
* 30.Sep.93: Added nop-chain .. driver now runs with only one Xmit-Buff, too (MH)
*
- * < 30.Sep.93: first versions
+ * < 30.Sep.93: first versions
*/
static int debuglevel = 0; /* debug-printk 0: off 1: a few 2: more */
@@ -114,6 +114,7 @@ static int fifo=0x8; /* don't change */
#include <linux/malloc.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
+#include <linux/init.h>
#include <asm/bitops.h>
#include <asm/io.h>
@@ -143,9 +144,9 @@ static int fifo=0x8; /* don't change */
sizeof(scp)=12; sizeof(scb)=16; sizeof(iscp)=8;
sizeof(scp)+sizeof(iscp)+sizeof(scb) = 36 = INIT
-sizeof(rfd) = 24; sizeof(rbd) = 12;
+sizeof(rfd) = 24; sizeof(rbd) = 12;
sizeof(tbd) = 8; sizeof(transmit_cmd) = 16;
-sizeof(nop_cmd) = 8;
+sizeof(nop_cmd) = 8;
* if you don't know the driver, better do not change these values: */
@@ -159,12 +160,13 @@ sizeof(nop_cmd) = 8;
/**************************************************************************/
/* different DELAYs */
-#define DELAY(x) __delay((loops_per_sec>>5)*(x));
+#define DELAY(x) __delay((loops_per_sec>>5)*(x));
#define DELAY_16(); { __delay( (loops_per_sec>>16)+1 ); }
#define DELAY_18(); { __delay( (loops_per_sec>>18)+1 ); }
/* wait for command with timeout: */
-#define WAIT_4_SCB_CMD() { int i; \
+#define WAIT_4_SCB_CMD() \
+{ int i; \
for(i=0;i<16384;i++) { \
if(!p->scb->cmd_cuc) break; \
DELAY_18(); \
@@ -195,7 +197,7 @@ static void ni52_interrupt(int irq,void *dev_id,struct pt_regs *reg_ptr);
static int ni52_open(struct device *dev);
static int ni52_close(struct device *dev);
static int ni52_send_packet(struct sk_buff *,struct device *);
-static struct enet_statistics *ni52_get_stats(struct device *dev);
+static struct net_device_stats *ni52_get_stats(struct device *dev);
static void set_multicast_list(struct device *dev);
#if 0
static void ni52_dump(struct device *,void *);
@@ -213,599 +215,601 @@ static void ni52_rnr_int(struct device *dev);
struct priv
{
- struct enet_statistics stats;
- unsigned long base;
- char *memtop;
- int lock,reseted;
- volatile struct rfd_struct *rfd_last,*rfd_top,*rfd_first;
- volatile struct scp_struct *scp; /* volatile is important */
- volatile struct iscp_struct *iscp; /* volatile is important */
- volatile struct scb_struct *scb; /* volatile is important */
- volatile struct tbd_struct *xmit_buffs[NUM_XMIT_BUFFS];
- volatile struct transmit_cmd_struct *xmit_cmds[NUM_XMIT_BUFFS];
+ struct net_device_stats stats;
+ unsigned long base;
+ char *memtop;
+ int lock,reseted;
+ volatile struct rfd_struct *rfd_last,*rfd_top,*rfd_first;
+ volatile struct scp_struct *scp; /* volatile is important */
+ volatile struct iscp_struct *iscp; /* volatile is important */
+ volatile struct scb_struct *scb; /* volatile is important */
+ volatile struct tbd_struct *xmit_buffs[NUM_XMIT_BUFFS];
+ volatile struct transmit_cmd_struct *xmit_cmds[NUM_XMIT_BUFFS];
#if (NUM_XMIT_BUFFS == 1)
- volatile struct nop_cmd_struct *nop_cmds[2];
+ volatile struct nop_cmd_struct *nop_cmds[2];
#else
- volatile struct nop_cmd_struct *nop_cmds[NUM_XMIT_BUFFS];
+ volatile struct nop_cmd_struct *nop_cmds[NUM_XMIT_BUFFS];
#endif
- volatile int nop_point,num_recv_buffs;
- volatile char *xmit_cbuffs[NUM_XMIT_BUFFS];
- volatile int xmit_count,xmit_last;
+ volatile int nop_point,num_recv_buffs;
+ volatile char *xmit_cbuffs[NUM_XMIT_BUFFS];
+ volatile int xmit_count,xmit_last;
};
/**********************************************
- * close device
+ * close device
*/
static int ni52_close(struct device *dev)
{
- free_irq(dev->irq, NULL);
- irq2dev_map[dev->irq] = NULL;
+ free_irq(dev->irq, NULL);
+ irq2dev_map[dev->irq] = NULL;
- ni_reset586(); /* the hard way to stop the receiver */
+ ni_reset586(); /* the hard way to stop the receiver */
- dev->start = 0;
- dev->tbusy = 0;
+ dev->start = 0;
+ dev->tbusy = 0;
- MOD_DEC_USE_COUNT;
+ MOD_DEC_USE_COUNT;
- return 0;
+ return 0;
}
/**********************************************
- * open device
+ * open device
*/
static int ni52_open(struct device *dev)
{
- ni_disint();
- alloc586(dev);
- init586(dev);
- startrecv586(dev);
- ni_enaint();
-
- if(request_irq(dev->irq, &ni52_interrupt,0,"ni5210",NULL))
- {
- ni_reset586();
- return -EAGAIN;
- }
- irq2dev_map[dev->irq] = dev;
-
- dev->interrupt = 0;
- dev->tbusy = 0;
- dev->start = 1;
-
- MOD_INC_USE_COUNT;
-
- return 0; /* most done by init */
+ ni_disint();
+ alloc586(dev);
+ init586(dev);
+ startrecv586(dev);
+ ni_enaint();
+
+ if(request_irq(dev->irq, &ni52_interrupt,0,"ni5210",NULL))
+ {
+ ni_reset586();
+ return -EAGAIN;
+ }
+ irq2dev_map[dev->irq] = dev;
+
+ dev->interrupt = 0;
+ dev->tbusy = 0;
+ dev->start = 1;
+
+ MOD_INC_USE_COUNT;
+
+ return 0; /* most done by init */
}
/**********************************************
- * Check to see if there's an 82586 out there.
+ * Check to see if there's an 82586 out there.
*/
static int check586(struct device *dev,char *where,unsigned size)
{
- struct priv pb;
- struct priv *p = /* (struct priv *) dev->priv*/ &pb;
- char *iscp_addrs[2];
- int i;
-
- p->base = (unsigned long) bus_to_virt((unsigned long)where) + size - 0x01000000;
- p->memtop = bus_to_virt((unsigned long)where) + size;
- p->scp = (struct scp_struct *)(p->base + SCP_DEFAULT_ADDRESS);
- memset((char *)p->scp,0, sizeof(struct scp_struct));
- for(i=0;i<sizeof(struct scp_struct);i++) /* memory was writeable? */
- if(((char *)p->scp)[i])
- return 0;
- p->scp->sysbus = SYSBUSVAL; /* 1 = 8Bit-Bus, 0 = 16 Bit */
- if(p->scp->sysbus != SYSBUSVAL)
- return 0;
-
- iscp_addrs[0] = bus_to_virt((unsigned long)where);
- iscp_addrs[1]= (char *) p->scp - sizeof(struct iscp_struct);
-
- for(i=0;i<2;i++)
- {
- p->iscp = (struct iscp_struct *) iscp_addrs[i];
- memset((char *)p->iscp,0, sizeof(struct iscp_struct));
-
- p->scp->iscp = make24(p->iscp);
- p->iscp->busy = 1;
-
- ni_reset586();
- ni_attn586();
- DELAY(1); /* wait a while... */
-
- if(p->iscp->busy) /* i82586 clears 'busy' after successful init */
- return 0;
- }
- return 1;
+ struct priv pb;
+ struct priv *p = /* (struct priv *) dev->priv*/ &pb;
+ char *iscp_addrs[2];
+ int i;
+
+ p->base = (unsigned long) bus_to_virt((unsigned long)where) + size - 0x01000000;
+ p->memtop = bus_to_virt((unsigned long)where) + size;
+ p->scp = (struct scp_struct *)(p->base + SCP_DEFAULT_ADDRESS);
+ memset((char *)p->scp,0, sizeof(struct scp_struct));
+ for(i=0;i<sizeof(struct scp_struct);i++) /* memory was writeable? */
+ if(((char *)p->scp)[i])
+ return 0;
+ p->scp->sysbus = SYSBUSVAL; /* 1 = 8Bit-Bus, 0 = 16 Bit */
+ if(p->scp->sysbus != SYSBUSVAL)
+ return 0;
+
+ iscp_addrs[0] = bus_to_virt((unsigned long)where);
+ iscp_addrs[1]= (char *) p->scp - sizeof(struct iscp_struct);
+
+ for(i=0;i<2;i++)
+ {
+ p->iscp = (struct iscp_struct *) iscp_addrs[i];
+ memset((char *)p->iscp,0, sizeof(struct iscp_struct));
+
+ p->scp->iscp = make24(p->iscp);
+ p->iscp->busy = 1;
+
+ ni_reset586();
+ ni_attn586();
+ DELAY(1); /* wait a while... */
+
+ if(p->iscp->busy) /* i82586 clears 'busy' after successful init */
+ return 0;
+ }
+ return 1;
}
/******************************************************************
- * set iscp at the right place, called by ni52_probe1 and open586.
+ * set iscp at the right place, called by ni52_probe1 and open586.
*/
void alloc586(struct device *dev)
{
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = (struct priv *) dev->priv;
- ni_reset586();
- DELAY(1);
+ ni_reset586();
+ DELAY(1);
- p->scp = (struct scp_struct *) (p->base + SCP_DEFAULT_ADDRESS);
- p->scb = (struct scb_struct *) bus_to_virt(dev->mem_start);
- p->iscp = (struct iscp_struct *) ((char *)p->scp - sizeof(struct iscp_struct));
+ p->scp = (struct scp_struct *) (p->base + SCP_DEFAULT_ADDRESS);
+ p->scb = (struct scb_struct *) bus_to_virt(dev->mem_start);
+ p->iscp = (struct iscp_struct *) ((char *)p->scp - sizeof(struct iscp_struct));
- memset((char *) p->iscp,0,sizeof(struct iscp_struct));
- memset((char *) p->scp ,0,sizeof(struct scp_struct));
+ memset((char *) p->iscp,0,sizeof(struct iscp_struct));
+ memset((char *) p->scp ,0,sizeof(struct scp_struct));
- p->scp->iscp = make24(p->iscp);
- p->scp->sysbus = SYSBUSVAL;
- p->iscp->scb_offset = make16(p->scb);
+ p->scp->iscp = make24(p->iscp);
+ p->scp->sysbus = SYSBUSVAL;
+ p->iscp->scb_offset = make16(p->scb);
- p->iscp->busy = 1;
- ni_reset586();
- ni_attn586();
+ p->iscp->busy = 1;
+ ni_reset586();
+ ni_attn586();
- DELAY(1);
+ DELAY(1);
- if(p->iscp->busy)
- printk("%s: Init-Problems (alloc).\n",dev->name);
+ if(p->iscp->busy)
+ printk("%s: Init-Problems (alloc).\n",dev->name);
- p->reseted = 0;
+ p->reseted = 0;
- memset((char *)p->scb,0,sizeof(struct scb_struct));
+ memset((char *)p->scb,0,sizeof(struct scb_struct));
}
/**********************************************
* probe the ni5210-card
*/
-int ni52_probe(struct device *dev)
+__initfunc(int ni52_probe(struct device *dev))
{
#ifndef MODULE
- int *port;
- static int ports[] = {0x300, 0x280, 0x360 , 0x320 , 0x340, 0};
+ int *port;
+ static int ports[] = {0x300, 0x280, 0x360 , 0x320 , 0x340, 0};
#endif
- int base_addr = dev->base_addr;
+ int base_addr = dev->base_addr;
- if (base_addr > 0x1ff) /* Check a single specified location. */
- if( (inb(base_addr+NI52_MAGIC1) == NI52_MAGICVAL1) &&
- (inb(base_addr+NI52_MAGIC2) == NI52_MAGICVAL2))
- return ni52_probe1(dev, base_addr);
- else if (base_addr > 0) /* Don't probe at all. */
- return ENXIO;
+ if (base_addr > 0x1ff) /* Check a single specified location. */
+ if( (inb(base_addr+NI52_MAGIC1) == NI52_MAGICVAL1) &&
+ (inb(base_addr+NI52_MAGIC2) == NI52_MAGICVAL2))
+ return ni52_probe1(dev, base_addr);
+ else if (base_addr > 0) /* Don't probe at all. */
+ return ENXIO;
#ifdef MODULE
- printk("%s: no autoprobing allowed for modules.\n",dev->name);
+ printk("%s: no autoprobing allowed for modules.\n",dev->name);
#else
- for (port = ports; *port; port++) {
- int ioaddr = *port;
- if (check_region(ioaddr, NI52_TOTAL_SIZE))
- continue;
- if( !(inb(ioaddr+NI52_MAGIC1) == NI52_MAGICVAL1) ||
- !(inb(ioaddr+NI52_MAGIC2) == NI52_MAGICVAL2))
- continue;
-
- dev->base_addr = ioaddr;
- if (ni52_probe1(dev, ioaddr) == 0)
- return 0;
- }
+ for (port = ports; *port; port++) {
+ int ioaddr = *port;
+ if (check_region(ioaddr, NI52_TOTAL_SIZE))
+ continue;
+ if( !(inb(ioaddr+NI52_MAGIC1) == NI52_MAGICVAL1) ||
+ !(inb(ioaddr+NI52_MAGIC2) == NI52_MAGICVAL2))
+ continue;
+
+ dev->base_addr = ioaddr;
+ if (ni52_probe1(dev, ioaddr) == 0)
+ return 0;
+ }
#ifdef FULL_IO_PROBE
- for(dev->base_addr=0x200;dev->base_addr<0x400;dev->base_addr+=8)
- {
- int ioaddr = dev->base_addr;
- if (check_region(ioaddr, NI52_TOTAL_SIZE))
- continue;
- if( !(inb(ioaddr+NI52_MAGIC1) == NI52_MAGICVAL1) ||
- !(inb(ioaddr+NI52_MAGIC2) == NI52_MAGICVAL2))
- continue;
- if (ni52_probe1(dev, ioaddr) == 0)
- return 0;
- }
+ for(dev->base_addr=0x200;dev->base_addr<0x400;dev->base_addr+=8)
+ {
+ int ioaddr = dev->base_addr;
+ if (check_region(ioaddr, NI52_TOTAL_SIZE))
+ continue;
+ if( !(inb(ioaddr+NI52_MAGIC1) == NI52_MAGICVAL1) ||
+ !(inb(ioaddr+NI52_MAGIC2) == NI52_MAGICVAL2))
+ continue;
+ if (ni52_probe1(dev, ioaddr) == 0)
+ return 0;
+ }
#endif
#endif
- dev->base_addr = base_addr;
- return ENODEV;
+ dev->base_addr = base_addr;
+ return ENODEV;
}
-static int ni52_probe1(struct device *dev,int ioaddr)
+__initfunc(static int ni52_probe1(struct device *dev,int ioaddr))
{
- int i,size;
+ int i,size;
- for(i=0;i<ETH_ALEN;i++)
- dev->dev_addr[i] = inb(dev->base_addr+i);
+ for(i=0;i<ETH_ALEN;i++)
+ dev->dev_addr[i] = inb(dev->base_addr+i);
- if(dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1
- || dev->dev_addr[2] != NI52_ADDR2)
- return ENODEV;
+ if(dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1
+ || dev->dev_addr[2] != NI52_ADDR2)
+ return ENODEV;
- printk("%s: NI5210 found at %#3lx, ",dev->name,dev->base_addr);
+ printk("%s: NI5210 found at %#3lx, ",dev->name,dev->base_addr);
- request_region(ioaddr,NI52_TOTAL_SIZE,"ni5210");
+ request_region(ioaddr,NI52_TOTAL_SIZE,"ni5210");
- /*
- * check (or search) IO-Memory, 8K and 16K
- */
+ /*
+ * check (or search) IO-Memory, 8K and 16K
+ */
#ifdef MODULE
- size = dev->mem_end - dev->mem_start;
- if(size != 0x2000 && size != 0x4000)
- {
- printk("\n%s: Illegal memory size %d. Allowed is 0x2000 or 0x4000 bytes.\n",dev->name,size);
- return ENODEV;
- }
- if(!check586(dev,(char *) dev->mem_start,size))
- {
- printk("?memcheck, Can't find memory at 0x%lx with size %d!\n",dev->mem_start,size);
- return ENODEV;
- }
+ size = dev->mem_end - dev->mem_start;
+ if(size != 0x2000 && size != 0x4000)
+ {
+ printk("\n%s: Illegal memory size %d. Allowed is 0x2000 or 0x4000 bytes.\n",dev->name,size);
+ return ENODEV;
+ }
+ if(!check586(dev,(char *) dev->mem_start,size))
+ {
+ printk("?memcheck, Can't find memory at 0x%lx with size %d!\n",dev->mem_start,size);
+ return ENODEV;
+ }
#else
- if(dev->mem_start != 0) /* no auto-mem-probe */
- {
- size = 0x4000; /* check for 16K mem */
- if(!check586(dev,(char *) dev->mem_start,size)) {
- size = 0x2000; /* check for 8K mem */
- if(!check586(dev,(char *) dev->mem_start,size)) {
- printk("?memprobe, Can't find memory at 0x%lx!\n",dev->mem_start);
- return ENODEV;
- }
- }
- }
- else
- {
- static long memaddrs[] = { 0xc8000,0xca000,0xcc000,0xce000,0xd0000,0xd2000,
- 0xd4000,0xd6000,0xd8000,0xda000,0xdc000, 0 };
- for(i=0;;i++)
- {
- if(!memaddrs[i]) {
- printk("?memprobe, Can't find io-memory!\n");
- return ENODEV;
- }
- dev->mem_start = memaddrs[i];
- size = 0x2000; /* check for 8K mem */
- if(check586(dev,(char *)dev->mem_start,size)) /* 8K-check */
- break;
- size = 0x4000; /* check for 16K mem */
- if(check586(dev,(char *)dev->mem_start,size)) /* 16K-check */
- break;
- }
- }
- dev->mem_end = dev->mem_start + size; /* set mem_end showed by 'ifconfig' */
+ if(dev->mem_start != 0) /* no auto-mem-probe */
+ {
+ size = 0x4000; /* check for 16K mem */
+ if(!check586(dev,(char *) dev->mem_start,size)) {
+ size = 0x2000; /* check for 8K mem */
+ if(!check586(dev,(char *) dev->mem_start,size)) {
+ printk("?memprobe, Can't find memory at 0x%lx!\n",dev->mem_start);
+ return ENODEV;
+ }
+ }
+ }
+ else
+ {
+ static long memaddrs[] = { 0xc8000,0xca000,0xcc000,0xce000,0xd0000,0xd2000,
+ 0xd4000,0xd6000,0xd8000,0xda000,0xdc000, 0 };
+ for(i=0;;i++)
+ {
+ if(!memaddrs[i]) {
+ printk("?memprobe, Can't find io-memory!\n");
+ return ENODEV;
+ }
+ dev->mem_start = memaddrs[i];
+ size = 0x2000; /* check for 8K mem */
+ if(check586(dev,(char *)dev->mem_start,size)) /* 8K-check */
+ break;
+ size = 0x4000; /* check for 16K mem */
+ if(check586(dev,(char *)dev->mem_start,size)) /* 16K-check */
+ break;
+ }
+ }
+ dev->mem_end = dev->mem_start + size; /* set mem_end showed by 'ifconfig' */
#endif
- dev->priv = (void *) kmalloc(sizeof(struct priv),GFP_KERNEL);
- if(dev->priv == NULL)
- {
- printk("%s: Ooops .. can't allocate private driver memory.\n",dev->name);
- return -ENOMEM;
- }
- /* warning: we don't free it on errors */
- memset((char *) dev->priv,0,sizeof(struct priv));
-
- ((struct priv *) (dev->priv))->memtop = bus_to_virt(dev->mem_start) + size;
- ((struct priv *) (dev->priv))->base = (unsigned long) bus_to_virt(dev->mem_start) + size - 0x01000000;
- alloc586(dev);
-
- /* set number of receive-buffs according to memsize */
- if(size == 0x2000)
- ((struct priv *) dev->priv)->num_recv_buffs = NUM_RECV_BUFFS_8;
- else
- ((struct priv *) dev->priv)->num_recv_buffs = NUM_RECV_BUFFS_16;
-
- printk("Memaddr: 0x%lx, Memsize: %d, ",dev->mem_start,size);
-
- if(dev->irq < 2)
- {
- autoirq_setup(0);
- ni_reset586();
- ni_attn586();
- if(!(dev->irq = autoirq_report(2)))
- {
- printk("?autoirq, Failed to detect IRQ line!\n");
- return 1;
- }
- printk("IRQ %d (autodetected).\n",dev->irq);
- }
- else {
- if(dev->irq == 2)
- dev->irq = 9;
- printk("IRQ %d (assigned and not checked!).\n",dev->irq);
- }
-
- dev->open = &ni52_open;
- dev->stop = &ni52_close;
- dev->get_stats = &ni52_get_stats;
- dev->hard_start_xmit = &ni52_send_packet;
- dev->set_multicast_list = &set_multicast_list;
-
- dev->if_port = 0;
-
- ether_setup(dev);
-
- dev->tbusy = 0;
- dev->interrupt = 0;
- dev->start = 0;
-
- return 0;
+ dev->priv = (void *) kmalloc(sizeof(struct priv),GFP_KERNEL);
+ if(dev->priv == NULL)
+ {
+ printk("%s: Ooops .. can't allocate private driver memory.\n",dev->name);
+ return -ENOMEM;
+ }
+ /* warning: we don't free it on errors */
+ memset((char *) dev->priv,0,sizeof(struct priv));
+
+ ((struct priv *) (dev->priv))->memtop = bus_to_virt(dev->mem_start) + size;
+ ((struct priv *) (dev->priv))->base = (unsigned long) bus_to_virt(dev->mem_start) + size - 0x01000000;
+ alloc586(dev);
+
+ /* set number of receive-buffs according to memsize */
+ if(size == 0x2000)
+ ((struct priv *) dev->priv)->num_recv_buffs = NUM_RECV_BUFFS_8;
+ else
+ ((struct priv *) dev->priv)->num_recv_buffs = NUM_RECV_BUFFS_16;
+
+ printk("Memaddr: 0x%lx, Memsize: %d, ",dev->mem_start,size);
+
+ if(dev->irq < 2)
+ {
+ autoirq_setup(0);
+ ni_reset586();
+ ni_attn586();
+ if(!(dev->irq = autoirq_report(2)))
+ {
+ printk("?autoirq, Failed to detect IRQ line!\n");
+ return 1;
+ }
+ printk("IRQ %d (autodetected).\n",dev->irq);
+ }
+ else {
+ if(dev->irq == 2)
+ dev->irq = 9;
+ printk("IRQ %d (assigned and not checked!).\n",dev->irq);
+ }
+
+ dev->open = &ni52_open;
+ dev->stop = &ni52_close;
+ dev->get_stats = &ni52_get_stats;
+ dev->hard_start_xmit = &ni52_send_packet;
+ dev->set_multicast_list = &set_multicast_list;
+
+ dev->if_port = 0;
+
+ ether_setup(dev);
+
+ dev->tbusy = 0;
+ dev->interrupt = 0;
+ dev->start = 0;
+
+ return 0;
}
-/**********************************************
+/**********************************************
* init the chip (ni52-interrupt should be disabled?!)
* needs a correct 'allocated' memory
*/
static int init586(struct device *dev)
{
- void *ptr;
- int i,result=0;
- struct priv *p = (struct priv *) dev->priv;
- volatile struct configure_cmd_struct *cfg_cmd;
- volatile struct iasetup_cmd_struct *ias_cmd;
- volatile struct tdr_cmd_struct *tdr_cmd;
- volatile struct mcsetup_cmd_struct *mc_cmd;
- struct dev_mc_list *dmi=dev->mc_list;
- int num_addrs=dev->mc_count;
-
- ptr = (void *) ((char *)p->scb + sizeof(struct scb_struct));
-
- cfg_cmd = (struct configure_cmd_struct *)ptr; /* configure-command */
- cfg_cmd->cmd_status = 0;
- cfg_cmd->cmd_cmd = CMD_CONFIGURE | CMD_LAST;
- cfg_cmd->cmd_link = 0xffff;
-
- cfg_cmd->byte_cnt = 0x0a; /* number of cfg bytes */
- cfg_cmd->fifo = fifo; /* fifo-limit (8=tx:32/rx:64) */
- cfg_cmd->sav_bf = 0x40; /* hold or discard bad recv frames (bit 7) */
- cfg_cmd->adr_len = 0x2e; /* addr_len |!src_insert |pre-len |loopback */
- cfg_cmd->priority = 0x00;
- cfg_cmd->ifs = 0x60;
- cfg_cmd->time_low = 0x00;
- cfg_cmd->time_high = 0xf2;
- cfg_cmd->promisc = 0;
- if(dev->flags & IFF_ALLMULTI) {
- int len = ((char *) p->iscp - (char *) ptr - 8) / 6;
- if(num_addrs > len) {
- printk("%s: switching to promisc. mode\n",dev->name);
- dev->flags|=IFF_PROMISC;
- }
- }
- if(dev->flags&IFF_PROMISC)
- {
- cfg_cmd->promisc=1;
- dev->flags|=IFF_PROMISC;
- }
- cfg_cmd->carr_coll = 0x00;
-
- p->scb->cbl_offset = make16(cfg_cmd);
- p->scb->cmd_ruc = 0;
-
- p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
- ni_attn586();
-
- WAIT_4_STAT_COMPL(cfg_cmd);
-
- if((cfg_cmd->cmd_status & (STAT_OK|STAT_COMPL)) != (STAT_COMPL|STAT_OK))
- {
- printk("%s: configure command failed: %x\n",dev->name,cfg_cmd->cmd_status);
- return 1;
- }
-
- /*
- * individual address setup
- */
- ias_cmd = (struct iasetup_cmd_struct *)ptr;
-
- ias_cmd->cmd_status = 0;
- ias_cmd->cmd_cmd = CMD_IASETUP | CMD_LAST;
- ias_cmd->cmd_link = 0xffff;
-
- memcpy((char *)&ias_cmd->iaddr,(char *) dev->dev_addr,ETH_ALEN);
-
- p->scb->cbl_offset = make16(ias_cmd);
-
- p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
- ni_attn586();
-
- WAIT_4_STAT_COMPL(ias_cmd);
-
- if((ias_cmd->cmd_status & (STAT_OK|STAT_COMPL)) != (STAT_OK|STAT_COMPL)) {
- printk("%s (ni52): individual address setup command failed: %04x\n",dev->name,ias_cmd->cmd_status);
- return 1;
- }
-
- /*
- * TDR, wire check .. e.g. no resistor e.t.c
- */
- tdr_cmd = (struct tdr_cmd_struct *)ptr;
-
- tdr_cmd->cmd_status = 0;
- tdr_cmd->cmd_cmd = CMD_TDR | CMD_LAST;
- tdr_cmd->cmd_link = 0xffff;
- tdr_cmd->status = 0;
-
- p->scb->cbl_offset = make16(tdr_cmd);
- p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
- ni_attn586();
-
- WAIT_4_STAT_COMPL(tdr_cmd);
-
- if(!(tdr_cmd->cmd_status & STAT_COMPL))
- {
- printk("%s: Problems while running the TDR.\n",dev->name);
- }
- else
- {
- DELAY_16(); /* wait for result */
- result = tdr_cmd->status;
-
- p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
- ni_attn586(); /* ack the interrupts */
-
- if(result & TDR_LNK_OK)
- ;
- else if(result & TDR_XCVR_PRB)
- printk("%s: TDR: Transceiver problem. Check the cable(s)!\n",dev->name);
- else if(result & TDR_ET_OPN)
- printk("%s: TDR: No correct termination %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
- else if(result & TDR_ET_SRT)
- {
- if (result & TDR_TIMEMASK) /* time == 0 -> strange :-) */
- printk("%s: TDR: Detected a short circuit %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
- }
- else
- printk("%s: TDR: Unknown status %04x\n",dev->name,result);
- }
-
- /*
- * Multicast setup
- */
- if(num_addrs && !(dev->flags & IFF_PROMISC) )
- {
- mc_cmd = (struct mcsetup_cmd_struct *) ptr;
- mc_cmd->cmd_status = 0;
- mc_cmd->cmd_cmd = CMD_MCSETUP | CMD_LAST;
- mc_cmd->cmd_link = 0xffff;
- mc_cmd->mc_cnt = num_addrs * 6;
-
- for(i=0;i<num_addrs;i++,dmi=dmi->next)
- memcpy((char *) mc_cmd->mc_list[i], dmi->dmi_addr,6);
-
- p->scb->cbl_offset = make16(mc_cmd);
- p->scb->cmd_cuc = CUC_START;
- ni_attn586();
-
- WAIT_4_STAT_COMPL(mc_cmd);
-
- if( (mc_cmd->cmd_status & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) )
- printk("%s: Can't apply multicast-address-list.\n",dev->name);
- }
-
- /*
- * alloc nop/xmit-cmds
- */
+ void *ptr;
+ int i,result=0;
+ struct priv *p = (struct priv *) dev->priv;
+ volatile struct configure_cmd_struct *cfg_cmd;
+ volatile struct iasetup_cmd_struct *ias_cmd;
+ volatile struct tdr_cmd_struct *tdr_cmd;
+ volatile struct mcsetup_cmd_struct *mc_cmd;
+ struct dev_mc_list *dmi=dev->mc_list;
+ int num_addrs=dev->mc_count;
+
+ ptr = (void *) ((char *)p->scb + sizeof(struct scb_struct));
+
+ cfg_cmd = (struct configure_cmd_struct *)ptr; /* configure-command */
+ cfg_cmd->cmd_status = 0;
+ cfg_cmd->cmd_cmd = CMD_CONFIGURE | CMD_LAST;
+ cfg_cmd->cmd_link = 0xffff;
+
+ cfg_cmd->byte_cnt = 0x0a; /* number of cfg bytes */
+ cfg_cmd->fifo = fifo; /* fifo-limit (8=tx:32/rx:64) */
+ cfg_cmd->sav_bf = 0x40; /* hold or discard bad recv frames (bit 7) */
+ cfg_cmd->adr_len = 0x2e; /* addr_len |!src_insert |pre-len |loopback */
+ cfg_cmd->priority = 0x00;
+ cfg_cmd->ifs = 0x60;
+ cfg_cmd->time_low = 0x00;
+ cfg_cmd->time_high = 0xf2;
+ cfg_cmd->promisc = 0;
+ if(dev->flags & IFF_ALLMULTI) {
+ int len = ((char *) p->iscp - (char *) ptr - 8) / 6;
+ if(num_addrs > len) {
+ printk("%s: switching to promisc. mode\n",dev->name);
+ dev->flags|=IFF_PROMISC;
+ }
+ }
+ if(dev->flags&IFF_PROMISC)
+ {
+ cfg_cmd->promisc=1;
+ dev->flags|=IFF_PROMISC;
+ }
+ cfg_cmd->carr_coll = 0x00;
+
+ p->scb->cbl_offset = make16(cfg_cmd);
+ p->scb->cmd_ruc = 0;
+
+ p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
+ ni_attn586();
+
+ WAIT_4_STAT_COMPL(cfg_cmd);
+
+ if((cfg_cmd->cmd_status & (STAT_OK|STAT_COMPL)) != (STAT_COMPL|STAT_OK))
+ {
+ printk("%s: configure command failed: %x\n",dev->name,cfg_cmd->cmd_status);
+ return 1;
+ }
+
+ /*
+ * individual address setup
+ */
+
+ ias_cmd = (struct iasetup_cmd_struct *)ptr;
+
+ ias_cmd->cmd_status = 0;
+ ias_cmd->cmd_cmd = CMD_IASETUP | CMD_LAST;
+ ias_cmd->cmd_link = 0xffff;
+
+ memcpy((char *)&ias_cmd->iaddr,(char *) dev->dev_addr,ETH_ALEN);
+
+ p->scb->cbl_offset = make16(ias_cmd);
+
+ p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
+ ni_attn586();
+
+ WAIT_4_STAT_COMPL(ias_cmd);
+
+ if((ias_cmd->cmd_status & (STAT_OK|STAT_COMPL)) != (STAT_OK|STAT_COMPL)) {
+ printk("%s (ni52): individual address setup command failed: %04x\n",dev->name,ias_cmd->cmd_status);
+ return 1;
+ }
+
+ /*
+ * TDR, wire check .. e.g. no resistor e.t.c
+ */
+
+ tdr_cmd = (struct tdr_cmd_struct *)ptr;
+
+ tdr_cmd->cmd_status = 0;
+ tdr_cmd->cmd_cmd = CMD_TDR | CMD_LAST;
+ tdr_cmd->cmd_link = 0xffff;
+ tdr_cmd->status = 0;
+
+ p->scb->cbl_offset = make16(tdr_cmd);
+ p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
+ ni_attn586();
+
+ WAIT_4_STAT_COMPL(tdr_cmd);
+
+ if(!(tdr_cmd->cmd_status & STAT_COMPL))
+ {
+ printk("%s: Problems while running the TDR.\n",dev->name);
+ }
+ else
+ {
+ DELAY_16(); /* wait for result */
+ result = tdr_cmd->status;
+
+ p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
+ ni_attn586(); /* ack the interrupts */
+
+ if(result & TDR_LNK_OK)
+ ;
+ else if(result & TDR_XCVR_PRB)
+ printk("%s: TDR: Transceiver problem. Check the cable(s)!\n",dev->name);
+ else if(result & TDR_ET_OPN)
+ printk("%s: TDR: No correct termination %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
+ else if(result & TDR_ET_SRT)
+ {
+ if (result & TDR_TIMEMASK) /* time == 0 -> strange :-) */
+ printk("%s: TDR: Detected a short circuit %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
+ }
+ else
+ printk("%s: TDR: Unknown status %04x\n",dev->name,result);
+ }
+
+ /*
+ * Multicast setup
+ */
+ if(num_addrs && !(dev->flags & IFF_PROMISC) )
+ {
+ mc_cmd = (struct mcsetup_cmd_struct *) ptr;
+ mc_cmd->cmd_status = 0;
+ mc_cmd->cmd_cmd = CMD_MCSETUP | CMD_LAST;
+ mc_cmd->cmd_link = 0xffff;
+ mc_cmd->mc_cnt = num_addrs * 6;
+
+ for(i=0;i<num_addrs;i++,dmi=dmi->next)
+ memcpy((char *) mc_cmd->mc_list[i], dmi->dmi_addr,6);
+
+ p->scb->cbl_offset = make16(mc_cmd);
+ p->scb->cmd_cuc = CUC_START;
+ ni_attn586();
+
+ WAIT_4_STAT_COMPL(mc_cmd);
+
+ if( (mc_cmd->cmd_status & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) )
+ printk("%s: Can't apply multicast-address-list.\n",dev->name);
+ }
+
+ /*
+ * alloc nop/xmit-cmds
+ */
#if (NUM_XMIT_BUFFS == 1)
- for(i=0;i<2;i++)
- {
- p->nop_cmds[i] = (struct nop_cmd_struct *)ptr;
- p->nop_cmds[i]->cmd_cmd = CMD_NOP;
- p->nop_cmds[i]->cmd_status = 0;
- p->nop_cmds[i]->cmd_link = make16((p->nop_cmds[i]));
- ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
- }
+ for(i=0;i<2;i++)
+ {
+ p->nop_cmds[i] = (struct nop_cmd_struct *)ptr;
+ p->nop_cmds[i]->cmd_cmd = CMD_NOP;
+ p->nop_cmds[i]->cmd_status = 0;
+ p->nop_cmds[i]->cmd_link = make16((p->nop_cmds[i]));
+ ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
+ }
#else
- for(i=0;i<NUM_XMIT_BUFFS;i++)
- {
- p->nop_cmds[i] = (struct nop_cmd_struct *)ptr;
- p->nop_cmds[i]->cmd_cmd = CMD_NOP;
- p->nop_cmds[i]->cmd_status = 0;
- p->nop_cmds[i]->cmd_link = make16((p->nop_cmds[i]));
- ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
- }
+ for(i=0;i<NUM_XMIT_BUFFS;i++)
+ {
+ p->nop_cmds[i] = (struct nop_cmd_struct *)ptr;
+ p->nop_cmds[i]->cmd_cmd = CMD_NOP;
+ p->nop_cmds[i]->cmd_status = 0;
+ p->nop_cmds[i]->cmd_link = make16((p->nop_cmds[i]));
+ ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
+ }
#endif
- ptr = alloc_rfa(dev,(void *)ptr); /* init receive-frame-area */
-
- /*
- * alloc xmit-buffs / init xmit_cmds
- */
- for(i=0;i<NUM_XMIT_BUFFS;i++)
- {
- p->xmit_cmds[i] = (struct transmit_cmd_struct *)ptr; /*transmit cmd/buff 0*/
- ptr = (char *) ptr + sizeof(struct transmit_cmd_struct);
- p->xmit_cbuffs[i] = (char *)ptr; /* char-buffs */
- ptr = (char *) ptr + XMIT_BUFF_SIZE;
- p->xmit_buffs[i] = (struct tbd_struct *)ptr; /* TBD */
- ptr = (char *) ptr + sizeof(struct tbd_struct);
- if((void *)ptr > (void *)p->iscp)
- {
- printk("%s: not enough shared-mem for your configuration!\n",dev->name);
- return 1;
- }
- memset((char *)(p->xmit_cmds[i]) ,0, sizeof(struct transmit_cmd_struct));
- memset((char *)(p->xmit_buffs[i]),0, sizeof(struct tbd_struct));
- p->xmit_cmds[i]->cmd_link = make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]);
- p->xmit_cmds[i]->cmd_status = STAT_COMPL;
- p->xmit_cmds[i]->cmd_cmd = CMD_XMIT | CMD_INT;
- p->xmit_cmds[i]->tbd_offset = make16((p->xmit_buffs[i]));
- p->xmit_buffs[i]->next = 0xffff;
- p->xmit_buffs[i]->buffer = make24((p->xmit_cbuffs[i]));
- }
-
- p->xmit_count = 0;
- p->xmit_last = 0;
+ ptr = alloc_rfa(dev,(void *)ptr); /* init receive-frame-area */
+
+ /*
+ * alloc xmit-buffs / init xmit_cmds
+ */
+ for(i=0;i<NUM_XMIT_BUFFS;i++)
+ {
+ p->xmit_cmds[i] = (struct transmit_cmd_struct *)ptr; /*transmit cmd/buff 0*/
+ ptr = (char *) ptr + sizeof(struct transmit_cmd_struct);
+ p->xmit_cbuffs[i] = (char *)ptr; /* char-buffs */
+ ptr = (char *) ptr + XMIT_BUFF_SIZE;
+ p->xmit_buffs[i] = (struct tbd_struct *)ptr; /* TBD */
+ ptr = (char *) ptr + sizeof(struct tbd_struct);
+ if((void *)ptr > (void *)p->iscp)
+ {
+ printk("%s: not enough shared-mem for your configuration!\n",dev->name);
+ return 1;
+ }
+ memset((char *)(p->xmit_cmds[i]) ,0, sizeof(struct transmit_cmd_struct));
+ memset((char *)(p->xmit_buffs[i]),0, sizeof(struct tbd_struct));
+ p->xmit_cmds[i]->cmd_link = make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]);
+ p->xmit_cmds[i]->cmd_status = STAT_COMPL;
+ p->xmit_cmds[i]->cmd_cmd = CMD_XMIT | CMD_INT;
+ p->xmit_cmds[i]->tbd_offset = make16((p->xmit_buffs[i]));
+ p->xmit_buffs[i]->next = 0xffff;
+ p->xmit_buffs[i]->buffer = make24((p->xmit_cbuffs[i]));
+ }
+
+ p->xmit_count = 0;
+ p->xmit_last = 0;
#ifndef NO_NOPCOMMANDS
- p->nop_point = 0;
+ p->nop_point = 0;
#endif
- /*
- * 'start transmitter'
- */
+ /*
+ * 'start transmitter'
+ */
#ifndef NO_NOPCOMMANDS
- p->scb->cbl_offset = make16(p->nop_cmds[0]);
- p->scb->cmd_cuc = CUC_START;
- ni_attn586();
- WAIT_4_SCB_CMD();
+ p->scb->cbl_offset = make16(p->nop_cmds[0]);
+ p->scb->cmd_cuc = CUC_START;
+ ni_attn586();
+ WAIT_4_SCB_CMD();
#else
- p->xmit_cmds[0]->cmd_link = make16(p->xmit_cmds[0]);
- p->xmit_cmds[0]->cmd_cmd = CMD_XMIT | CMD_SUSPEND | CMD_INT;
+ p->xmit_cmds[0]->cmd_link = make16(p->xmit_cmds[0]);
+ p->xmit_cmds[0]->cmd_cmd = CMD_XMIT | CMD_SUSPEND | CMD_INT;
#endif
- /*
- * ack. interrupts
- */
- p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
- ni_attn586();
- DELAY_16();
+ /*
+ * ack. interrupts
+ */
+ p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
+ ni_attn586();
+ DELAY_16();
- ni_enaint();
+ ni_enaint();
- return 0;
+ return 0;
}
/******************************************************
- * This is a helper routine for ni52_rnr_int() and init586().
+ * This is a helper routine for ni52_rnr_int() and init586().
* It sets up the Receive Frame Area (RFA).
*/
-static void *alloc_rfa(struct device *dev,void *ptr)
+static void *alloc_rfa(struct device *dev,void *ptr)
{
- volatile struct rfd_struct *rfd = (struct rfd_struct *)ptr;
- volatile struct rbd_struct *rbd;
- int i;
- struct priv *p = (struct priv *) dev->priv;
+ volatile struct rfd_struct *rfd = (struct rfd_struct *)ptr;
+ volatile struct rbd_struct *rbd;
+ int i;
+ struct priv *p = (struct priv *) dev->priv;
- memset((char *) rfd,0,sizeof(struct rfd_struct)*(p->num_recv_buffs+rfdadd));
- p->rfd_first = rfd;
+ memset((char *) rfd,0,sizeof(struct rfd_struct)*(p->num_recv_buffs+rfdadd));
+ p->rfd_first = rfd;
- for(i = 0; i < (p->num_recv_buffs+rfdadd); i++) {
- rfd[i].next = make16(rfd + (i+1) % (p->num_recv_buffs+rfdadd) );
- rfd[i].rbd_offset = 0xffff;
- }
- rfd[p->num_recv_buffs-1+rfdadd].last = RFD_SUSP; /* RU suspend */
+ for(i = 0; i < (p->num_recv_buffs+rfdadd); i++) {
+ rfd[i].next = make16(rfd + (i+1) % (p->num_recv_buffs+rfdadd) );
+ rfd[i].rbd_offset = 0xffff;
+ }
+ rfd[p->num_recv_buffs-1+rfdadd].last = RFD_SUSP; /* RU suspend */
- ptr = (void *) (rfd + (p->num_recv_buffs + rfdadd) );
+ ptr = (void *) (rfd + (p->num_recv_buffs + rfdadd) );
- rbd = (struct rbd_struct *) ptr;
- ptr = (void *) (rbd + p->num_recv_buffs);
+ rbd = (struct rbd_struct *) ptr;
+ ptr = (void *) (rbd + p->num_recv_buffs);
- /* clr descriptors */
- memset((char *) rbd,0,sizeof(struct rbd_struct)*(p->num_recv_buffs));
+ /* clr descriptors */
+ memset((char *) rbd,0,sizeof(struct rbd_struct)*(p->num_recv_buffs));
- for(i=0;i<p->num_recv_buffs;i++)
- {
- rbd[i].next = make16((rbd + (i+1) % p->num_recv_buffs));
- rbd[i].size = RECV_BUFF_SIZE;
- rbd[i].buffer = make24(ptr);
- ptr = (char *) ptr + RECV_BUFF_SIZE;
- }
+ for(i=0;i<p->num_recv_buffs;i++)
+ {
+ rbd[i].next = make16((rbd + (i+1) % p->num_recv_buffs));
+ rbd[i].size = RECV_BUFF_SIZE;
+ rbd[i].buffer = make24(ptr);
+ ptr = (char *) ptr + RECV_BUFF_SIZE;
+ }
- p->rfd_top = p->rfd_first;
- p->rfd_last = p->rfd_first + (p->num_recv_buffs - 1 + rfdadd);
+ p->rfd_top = p->rfd_first;
+ p->rfd_last = p->rfd_first + (p->num_recv_buffs - 1 + rfdadd);
- p->scb->rfa_offset = make16(p->rfd_first);
- p->rfd_first->rbd_offset = make16(rbd);
+ p->scb->rfa_offset = make16(p->rfd_first);
+ p->rfd_first->rbd_offset = make16(rbd);
- return ptr;
+ return ptr;
}
@@ -815,76 +819,76 @@ static void *alloc_rfa(struct device *dev,void *ptr)
static void ni52_interrupt(int irq,void *dev_id,struct pt_regs *reg_ptr)
{
- struct device *dev = (struct device *) irq2dev_map[irq];
- unsigned short stat;
- int cnt=0;
- struct priv *p;
-
- if (!dev) {
- printk ("ni5210-interrupt: irq %d for unknown device.\n",irq);
- return;
- }
- p = (struct priv *) dev->priv;
-
- if(debuglevel > 1)
- printk("I");
-
- dev->interrupt = 1;
-
- WAIT_4_SCB_CMD(); /* wait for last command */
-
- while((stat=p->scb->cus & STAT_MASK))
- {
- p->scb->cmd_cuc = stat;
- ni_attn586();
-
- if(stat & STAT_FR) /* received a frame */
- ni52_rcv_int(dev);
-
- if(stat & STAT_RNR) /* RU went 'not ready' */
- {
- printk("(R)");
- if(p->scb->rus & RU_SUSPEND) /* special case: RU_SUSPEND */
- {
- WAIT_4_SCB_CMD();
- p->scb->cmd_ruc = RUC_RESUME;
- ni_attn586();
- WAIT_4_SCB_CMD_RUC();
- }
- else
- {
- printk("%s: Receiver-Unit went 'NOT READY': %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->rus);
- ni52_rnr_int(dev);
- }
- }
-
- if(stat & STAT_CX) /* command with I-bit set complete */
- ni52_xmt_int(dev);
+ struct device *dev = (struct device *) irq2dev_map[irq];
+ unsigned short stat;
+ int cnt=0;
+ struct priv *p;
+
+ if (!dev) {
+ printk ("ni5210-interrupt: irq %d for unknown device.\n",irq);
+ return;
+ }
+ p = (struct priv *) dev->priv;
+
+ if(debuglevel > 1)
+ printk("I");
+
+ dev->interrupt = 1;
+
+ WAIT_4_SCB_CMD(); /* wait for last command */
+
+ while((stat=p->scb->cus & STAT_MASK))
+ {
+ p->scb->cmd_cuc = stat;
+ ni_attn586();
+
+ if(stat & STAT_FR) /* received a frame */
+ ni52_rcv_int(dev);
+
+ if(stat & STAT_RNR) /* RU went 'not ready' */
+ {
+ printk("(R)");
+ if(p->scb->rus & RU_SUSPEND) /* special case: RU_SUSPEND */
+ {
+ WAIT_4_SCB_CMD();
+ p->scb->cmd_ruc = RUC_RESUME;
+ ni_attn586();
+ WAIT_4_SCB_CMD_RUC();
+ }
+ else
+ {
+ printk("%s: Receiver-Unit went 'NOT READY': %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->rus);
+ ni52_rnr_int(dev);
+ }
+ }
+
+ if(stat & STAT_CX) /* command with I-bit set complete */
+ ni52_xmt_int(dev);
#ifndef NO_NOPCOMMANDS
- if(stat & STAT_CNA) /* CU went 'not ready' */
- {
- if(dev->start)
- printk("%s: oops! CU has left active state. stat: %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->cus);
- }
+ if(stat & STAT_CNA) /* CU went 'not ready' */
+ {
+ if(dev->start)
+ printk("%s: oops! CU has left active state. stat: %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->cus);
+ }
#endif
- if(debuglevel > 1)
- printk("%d",cnt++);
+ if(debuglevel > 1)
+ printk("%d",cnt++);
- WAIT_4_SCB_CMD(); /* wait for ack. (ni52_xmt_int can be faster than ack!!) */
- if(p->scb->cmd_cuc) /* timed out? */
- {
- printk("%s: Acknowledge timed out.\n",dev->name);
- ni_disint();
- break;
- }
- }
+ WAIT_4_SCB_CMD(); /* wait for ack. (ni52_xmt_int can be faster than ack!!) */
+ if(p->scb->cmd_cuc) /* timed out? */
+ {
+ printk("%s: Acknowledge timed out.\n",dev->name);
+ ni_disint();
+ break;
+ }
+ }
- if(debuglevel > 1)
- printk("i");
+ if(debuglevel > 1)
+ printk("i");
- dev->interrupt = 0;
+ dev->interrupt = 0;
}
/*******************************************************
@@ -893,121 +897,121 @@ static void ni52_interrupt(int irq,void *dev_id,struct pt_regs *reg_ptr)
static void ni52_rcv_int(struct device *dev)
{
- int status,cnt=0;
- unsigned short totlen;
- struct sk_buff *skb;
- struct rbd_struct *rbd;
- struct priv *p = (struct priv *) dev->priv;
-
- if(debuglevel > 0)
- printk("R");
-
- for(;(status = p->rfd_top->stat_high) & RFD_COMPL;)
- {
- rbd = (struct rbd_struct *) make32(p->rfd_top->rbd_offset);
-
- if(status & RFD_OK) /* frame received without error? */
- {
- if( (totlen = rbd->status) & RBD_LAST) /* the first and the last buffer? */
- {
- totlen &= RBD_MASK; /* length of this frame */
- rbd->status = 0;
- skb = (struct sk_buff *) dev_alloc_skb(totlen+2);
- if(skb != NULL)
- {
- skb->dev = dev;
- skb_reserve(skb,2);
- skb_put(skb,totlen);
- eth_copy_and_sum(skb,(char *) p->base+(unsigned long) rbd->buffer,totlen,0);
- skb->protocol=eth_type_trans(skb,dev);
- netif_rx(skb);
- p->stats.rx_packets++;
- }
- else
- p->stats.rx_dropped++;
- }
- else
- {
- int rstat;
- /* free all RBD's until RBD_LAST is set */
- totlen = 0;
- while(!((rstat=rbd->status) & RBD_LAST))
- {
- totlen += rstat & RBD_MASK;
- if(!rstat)
- {
- printk("%s: Whoops .. no end mark in RBD list\n",dev->name);
- break;
- }
- rbd->status = 0;
- rbd = (struct rbd_struct *) make32(rbd->next);
- }
- totlen += rstat & RBD_MASK;
- rbd->status = 0;
- printk("%s: received oversized frame! length: %d\n",dev->name,totlen);
- p->stats.rx_dropped++;
- }
- }
- else /* frame !(ok), only with 'save-bad-frames' */
- {
- printk("%s: oops! rfd-error-status: %04x\n",dev->name,status);
- p->stats.rx_errors++;
- }
- p->rfd_top->stat_high = 0;
- p->rfd_top->last = RFD_SUSP; /* maybe exchange by RFD_LAST */
- p->rfd_top->rbd_offset = 0xffff;
- p->rfd_last->last = 0; /* delete RFD_SUSP */
- p->rfd_last = p->rfd_top;
- p->rfd_top = (struct rfd_struct *) make32(p->rfd_top->next); /* step to next RFD */
- p->scb->rfa_offset = make16(p->rfd_top);
-
- if(debuglevel > 0)
- printk("%d",cnt++);
- }
-
- if(automatic_resume)
- {
- WAIT_4_SCB_CMD();
- p->scb->cmd_ruc = RUC_RESUME;
- ni_attn586();
- WAIT_4_SCB_CMD_RUC();
- }
+ int status,cnt=0;
+ unsigned short totlen;
+ struct sk_buff *skb;
+ struct rbd_struct *rbd;
+ struct priv *p = (struct priv *) dev->priv;
+
+ if(debuglevel > 0)
+ printk("R");
+
+ for(;(status = p->rfd_top->stat_high) & RFD_COMPL;)
+ {
+ rbd = (struct rbd_struct *) make32(p->rfd_top->rbd_offset);
+
+ if(status & RFD_OK) /* frame received without error? */
+ {
+ if( (totlen = rbd->status) & RBD_LAST) /* the first and the last buffer? */
+ {
+ totlen &= RBD_MASK; /* length of this frame */
+ rbd->status = 0;
+ skb = (struct sk_buff *) dev_alloc_skb(totlen+2);
+ if(skb != NULL)
+ {
+ skb->dev = dev;
+ skb_reserve(skb,2);
+ skb_put(skb,totlen);
+ eth_copy_and_sum(skb,(char *) p->base+(unsigned long) rbd->buffer,totlen,0);
+ skb->protocol=eth_type_trans(skb,dev);
+ netif_rx(skb);
+ p->stats.rx_packets++;
+ }
+ else
+ p->stats.rx_dropped++;
+ }
+ else
+ {
+ int rstat;
+ /* free all RBD's until RBD_LAST is set */
+ totlen = 0;
+ while(!((rstat=rbd->status) & RBD_LAST))
+ {
+ totlen += rstat & RBD_MASK;
+ if(!rstat)
+ {
+ printk("%s: Whoops .. no end mark in RBD list\n",dev->name);
+ break;
+ }
+ rbd->status = 0;
+ rbd = (struct rbd_struct *) make32(rbd->next);
+ }
+ totlen += rstat & RBD_MASK;
+ rbd->status = 0;
+ printk("%s: received oversized frame! length: %d\n",dev->name,totlen);
+ p->stats.rx_dropped++;
+ }
+ }
+ else /* frame !(ok), only with 'save-bad-frames' */
+ {
+ printk("%s: oops! rfd-error-status: %04x\n",dev->name,status);
+ p->stats.rx_errors++;
+ }
+ p->rfd_top->stat_high = 0;
+ p->rfd_top->last = RFD_SUSP; /* maybe exchange by RFD_LAST */
+ p->rfd_top->rbd_offset = 0xffff;
+ p->rfd_last->last = 0; /* delete RFD_SUSP */
+ p->rfd_last = p->rfd_top;
+ p->rfd_top = (struct rfd_struct *) make32(p->rfd_top->next); /* step to next RFD */
+ p->scb->rfa_offset = make16(p->rfd_top);
+
+ if(debuglevel > 0)
+ printk("%d",cnt++);
+ }
+
+ if(automatic_resume)
+ {
+ WAIT_4_SCB_CMD();
+ p->scb->cmd_ruc = RUC_RESUME;
+ ni_attn586();
+ WAIT_4_SCB_CMD_RUC();
+ }
#ifdef WAIT_4_BUSY
- {
- int i;
- for(i=0;i<1024;i++)
- {
- if(p->rfd_top->status)
- break;
- DELAY_16();
- if(i == 1023)
- printk("%s: RU hasn't fetched next RFD (not busy/complete)\n",dev->name);
- }
- }
+ {
+ int i;
+ for(i=0;i<1024;i++)
+ {
+ if(p->rfd_top->status)
+ break;
+ DELAY_16();
+ if(i == 1023)
+ printk("%s: RU hasn't fetched next RFD (not busy/complete)\n",dev->name);
+ }
+ }
#endif
#ifdef 0
- if(!at_least_one)
- {
- int i;
- volatile struct rfd_struct *rfds=p->rfd_top;
- volatile struct rbd_struct *rbds;
- printk("%s: received a FC intr. without having a frame: %04x %d\n",dev->name,status,old_at_least);
- for(i=0;i< (p->num_recv_buffs+4);i++)
- {
- rbds = (struct rbd_struct *) make32(rfds->rbd_offset);
- printk("%04x:%04x ",rfds->status,rbds->status);
- rfds = (struct rfd_struct *) make32(rfds->next);
- }
- printk("\nerrs: %04x %04x stat: %04x\n",(int)p->scb->rsc_errs,(int)p->scb->ovrn_errs,(int)p->scb->status);
- printk("\nerrs: %04x %04x rus: %02x, cus: %02x\n",(int)p->scb->rsc_errs,(int)p->scb->ovrn_errs,(int)p->scb->rus,(int)p->scb->cus);
- }
- old_at_least = at_least_one;
+ if(!at_least_one)
+ {
+ int i;
+ volatile struct rfd_struct *rfds=p->rfd_top;
+ volatile struct rbd_struct *rbds;
+ printk("%s: received a FC intr. without having a frame: %04x %d\n",dev->name,status,old_at_least);
+ for(i=0;i< (p->num_recv_buffs+4);i++)
+ {
+ rbds = (struct rbd_struct *) make32(rfds->rbd_offset);
+ printk("%04x:%04x ",rfds->status,rbds->status);
+ rfds = (struct rfd_struct *) make32(rfds->next);
+ }
+ printk("\nerrs: %04x %04x stat: %04x\n",(int)p->scb->rsc_errs,(int)p->scb->ovrn_errs,(int)p->scb->status);
+ printk("\nerrs: %04x %04x rus: %02x, cus: %02x\n",(int)p->scb->rsc_errs,(int)p->scb->ovrn_errs,(int)p->scb->rus,(int)p->scb->cus);
+ }
+ old_at_least = at_least_one;
#endif
- if(debuglevel > 0)
- printk("r");
+ if(debuglevel > 0)
+ printk("r");
}
/**********************************************************
@@ -1016,20 +1020,20 @@ static void ni52_rcv_int(struct device *dev)
static void ni52_rnr_int(struct device *dev)
{
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = (struct priv *) dev->priv;
- p->stats.rx_errors++;
+ p->stats.rx_errors++;
- WAIT_4_SCB_CMD(); /* wait for the last cmd, WAIT_4_FULLSTAT?? */
- p->scb->cmd_ruc = RUC_ABORT; /* usually the RU is in the 'no resource'-state .. abort it now. */
- ni_attn586();
- WAIT_4_SCB_CMD_RUC(); /* wait for accept cmd. */
+ WAIT_4_SCB_CMD(); /* wait for the last cmd, WAIT_4_FULLSTAT?? */
+ p->scb->cmd_ruc = RUC_ABORT; /* usually the RU is in the 'no resource'-state .. abort it now. */
+ ni_attn586();
+ WAIT_4_SCB_CMD_RUC(); /* wait for accept cmd. */
- alloc_rfa(dev,(char *)p->rfd_first);
+ alloc_rfa(dev,(char *)p->rfd_first);
/* maybe add a check here, before restarting the RU */
- startrecv586(dev); /* restart RU */
+ startrecv586(dev); /* restart RU */
- printk("%s: Receive-Unit restarted. Status: %04x\n",dev->name,p->scb->rus);
+ printk("%s: Receive-Unit restarted. Status: %04x\n",dev->name,p->scb->rus);
}
@@ -1039,309 +1043,314 @@ static void ni52_rnr_int(struct device *dev)
static void ni52_xmt_int(struct device *dev)
{
- int status;
- struct priv *p = (struct priv *) dev->priv;
-
- if(debuglevel > 0)
- printk("X");
-
- status = p->xmit_cmds[p->xmit_last]->cmd_status;
- if(!(status & STAT_COMPL))
- printk("%s: strange .. xmit-int without a 'COMPLETE'\n",dev->name);
-
- if(status & STAT_OK)
- {
- p->stats.tx_packets++;
- p->stats.collisions += (status & TCMD_MAXCOLLMASK);
- }
- else
- {
- p->stats.tx_errors++;
- if(status & TCMD_LATECOLL) {
- printk("%s: late collision detected.\n",dev->name);
- p->stats.collisions++;
- }
- else if(status & TCMD_NOCARRIER) {
- p->stats.tx_carrier_errors++;
- printk("%s: no carrier detected.\n",dev->name);
- }
- else if(status & TCMD_LOSTCTS)
- printk("%s: loss of CTS detected.\n",dev->name);
- else if(status & TCMD_UNDERRUN) {
- p->stats.tx_fifo_errors++;
- printk("%s: DMA underrun detected.\n",dev->name);
- }
- else if(status & TCMD_MAXCOLL) {
- printk("%s: Max. collisions exceeded.\n",dev->name);
- p->stats.collisions += 16;
- }
- }
+ int status;
+ struct priv *p = (struct priv *) dev->priv;
+
+ if(debuglevel > 0)
+ printk("X");
+
+ status = p->xmit_cmds[p->xmit_last]->cmd_status;
+ if(!(status & STAT_COMPL))
+ printk("%s: strange .. xmit-int without a 'COMPLETE'\n",dev->name);
+
+ if(status & STAT_OK)
+ {
+ p->stats.tx_packets++;
+ p->stats.collisions += (status & TCMD_MAXCOLLMASK);
+ }
+ else
+ {
+ p->stats.tx_errors++;
+ if(status & TCMD_LATECOLL) {
+ printk("%s: late collision detected.\n",dev->name);
+ p->stats.collisions++;
+ }
+ else if(status & TCMD_NOCARRIER) {
+ p->stats.tx_carrier_errors++;
+ printk("%s: no carrier detected.\n",dev->name);
+ }
+ else if(status & TCMD_LOSTCTS)
+ printk("%s: loss of CTS detected.\n",dev->name);
+ else if(status & TCMD_UNDERRUN) {
+ p->stats.tx_fifo_errors++;
+ printk("%s: DMA underrun detected.\n",dev->name);
+ }
+ else if(status & TCMD_MAXCOLL) {
+ printk("%s: Max. collisions exceeded.\n",dev->name);
+ p->stats.collisions += 16;
+ }
+ }
#if (NUM_XMIT_BUFFS > 1)
- if( (++p->xmit_last) == NUM_XMIT_BUFFS)
- p->xmit_last = 0;
+ if( (++p->xmit_last) == NUM_XMIT_BUFFS)
+ p->xmit_last = 0;
#endif
- dev->tbusy = 0;
- mark_bh(NET_BH);
+ dev->tbusy = 0;
+ mark_bh(NET_BH);
}
/***********************************************************
* (re)start the receiver
- */
+ */
static void startrecv586(struct device *dev)
{
- struct priv *p = (struct priv *) dev->priv;
-
- WAIT_4_SCB_CMD();
- WAIT_4_SCB_CMD_RUC();
- p->scb->rfa_offset = make16(p->rfd_first);
- p->scb->cmd_ruc = RUC_START;
- ni_attn586(); /* start cmd. */
- WAIT_4_SCB_CMD_RUC(); /* wait for accept cmd. (no timeout!!) */
+ struct priv *p = (struct priv *) dev->priv;
+
+ WAIT_4_SCB_CMD();
+ WAIT_4_SCB_CMD_RUC();
+ p->scb->rfa_offset = make16(p->rfd_first);
+ p->scb->cmd_ruc = RUC_START;
+ ni_attn586(); /* start cmd. */
+ WAIT_4_SCB_CMD_RUC(); /* wait for accept cmd. (no timeout!!) */
}
/******************************************************
- * send frame
+ * send frame
*/
static int ni52_send_packet(struct sk_buff *skb, struct device *dev)
{
- int len,i;
+ int len,i;
#ifndef NO_NOPCOMMANDS
- int next_nop;
+ int next_nop;
#endif
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = (struct priv *) dev->priv;
- if(dev->tbusy)
- {
- int tickssofar = jiffies - dev->trans_start;
- if (tickssofar < 5)
- return 1;
+ if(dev->tbusy)
+ {
+ int tickssofar = jiffies - dev->trans_start;
+ if (tickssofar < 5)
+ return 1;
#ifndef NO_NOPCOMMANDS
- if(p->scb->cus & CU_ACTIVE) /* COMMAND-UNIT active? */
- {
- dev->tbusy = 0;
+ if(p->scb->cus & CU_ACTIVE) /* COMMAND-UNIT active? */
+ {
+ dev->tbusy = 0;
#ifdef DEBUG
- printk("%s: strange ... timeout with CU active?!?\n",dev->name);
- printk("%s: X0: %04x N0: %04x N1: %04x %d\n",dev->name,(int)p->xmit_cmds[0]->cmd_status,(int)p->nop_cmds[0]->cmd_status,(int)p->nop_cmds[1]->cmd_status,(int)p->nop_point);
+ printk("%s: strange ... timeout with CU active?!?\n",dev->name);
+ printk("%s: X0: %04x N0: %04x N1: %04x %d\n",dev->name,(int)p->xmit_cmds[0]->cmd_status,(int)p->nop_cmds[0]->cmd_status,(int)p->nop_cmds[1]->cmd_status,(int)p->nop_point);
#endif
- p->scb->cmd_cuc = CUC_ABORT;
- ni_attn586();
- WAIT_4_SCB_CMD();
- p->scb->cbl_offset = make16(p->nop_cmds[p->nop_point]);
- p->scb->cmd_cuc = CUC_START;
- ni_attn586();
- WAIT_4_SCB_CMD();
- dev->trans_start = jiffies;
- return 0;
- }
- else
+ p->scb->cmd_cuc = CUC_ABORT;
+ ni_attn586();
+ WAIT_4_SCB_CMD();
+ p->scb->cbl_offset = make16(p->nop_cmds[p->nop_point]);
+ p->scb->cmd_cuc = CUC_START;
+ ni_attn586();
+ WAIT_4_SCB_CMD();
+ dev->trans_start = jiffies;
+ return 0;
+ }
+ else
#endif
- {
+ {
#ifdef DEBUG
- printk("%s: xmitter timed out, try to restart! stat: %02x\n",dev->name,p->scb->cus);
- printk("%s: command-stats: %04x %04x\n",dev->name,p->xmit_cmds[0]->cmd_status,p->xmit_cmds[1]->cmd_status);
- printk("%s: check, whether you set the right interrupt number!\n",dev->name);
+ printk("%s: xmitter timed out, try to restart! stat: %02x\n",dev->name,p->scb->cus);
+ printk("%s: command-stats: %04x %04x\n",dev->name,p->xmit_cmds[0]->cmd_status,p->xmit_cmds[1]->cmd_status);
+ printk("%s: check, whether you set the right interrupt number!\n",dev->name);
#endif
- ni52_close(dev);
- ni52_open(dev);
- }
- dev->trans_start = jiffies;
- return 0;
- }
-
- if(skb == NULL)
- {
- dev_tint(dev);
- return 0;
- }
-
- if (skb->len <= 0)
- return 0;
- if(skb->len > XMIT_BUFF_SIZE)
- {
- printk("%s: Sorry, max. framelength is %d bytes. The length of your frame is %ld bytes.\n",dev->name,XMIT_BUFF_SIZE,skb->len);
- return 0;
- }
-
- if (set_bit(0, (void*)&dev->tbusy)) {
- printk("%s: Transmitter access conflict.\n", dev->name);
- return 1;
- }
+ ni52_close(dev);
+ ni52_open(dev);
+ }
+ dev->trans_start = jiffies;
+ return 0;
+ }
+
+ if(skb == NULL)
+ {
+ dev_tint(dev);
+ return 0;
+ }
+
+ if (skb->len <= 0)
+ return 0;
+ if(skb->len > XMIT_BUFF_SIZE)
+ {
+ printk("%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n",dev->name,XMIT_BUFF_SIZE,skb->len);
+ return 0;
+ }
+
+ if (set_bit(0, (void*)&dev->tbusy)) {
+ printk("%s: Transmitter access conflict.\n", dev->name);
+ return 1;
+ }
#if(NUM_XMIT_BUFFS > 1)
- else if(set_bit(0,(void *) &p->lock)) {
- printk("%s: Queue was locked\n",dev->name);
- return 1;
- }
+ else if(set_bit(0,(void *) &p->lock)) {
+ printk("%s: Queue was locked\n",dev->name);
+ return 1;
+ }
#endif
- else
- {
- memcpy((char *)p->xmit_cbuffs[p->xmit_count],(char *)(skb->data),skb->len);
- len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN;
+ else
+ {
+ memcpy((char *)p->xmit_cbuffs[p->xmit_count],(char *)(skb->data),skb->len);
+ len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN;
#if (NUM_XMIT_BUFFS == 1)
-# ifdef NO_NOPCOMMANDS
+# ifdef NO_NOPCOMMANDS
#ifdef DEBUG
- if(p->scb->cus & CU_ACTIVE)
- {
- printk("%s: Hmmm .. CU is still running and we wanna send a new packet.\n",dev->name);
- printk("%s: stat: %04x %04x\n",dev->name,p->scb->cus,p->xmit_cmds[0]->cmd_status);
- }
+ if(p->scb->cus & CU_ACTIVE)
+ {
+ printk("%s: Hmmm .. CU is still running and we wanna send a new packet.\n",dev->name);
+ printk("%s: stat: %04x %04x\n",dev->name,p->scb->cus,p->xmit_cmds[0]->cmd_status);
+ }
#endif
- p->xmit_buffs[0]->size = TBD_LAST | len;
- for(i=0;i<16;i++)
- {
- p->xmit_cmds[0]->cmd_status = 0;
- WAIT_4_SCB_CMD();
- if( (p->scb->cus & CU_STATUS) == CU_SUSPEND)
- p->scb->cmd_cuc = CUC_RESUME;
- else
- {
- p->scb->cbl_offset = make16(p->xmit_cmds[0]);
- p->scb->cmd_cuc = CUC_START;
- }
-
- ni_attn586();
- dev->trans_start = jiffies;
- if(!i)
- dev_kfree_skb(skb,FREE_WRITE);
- WAIT_4_SCB_CMD();
- if( (p->scb->cus & CU_ACTIVE)) /* test it, because CU sometimes doesn't start immediately */
- break;
- if(p->xmit_cmds[0]->cmd_status)
- break;
- if(i==15)
- printk("%s: Can't start transmit-command.\n",dev->name);
- }
-# else
- next_nop = (p->nop_point + 1) & 0x1;
- p->xmit_buffs[0]->size = TBD_LAST | len;
-
- p->xmit_cmds[0]->cmd_link = p->nop_cmds[next_nop]->cmd_link
- = make16((p->nop_cmds[next_nop]));
- p->xmit_cmds[0]->cmd_status = p->nop_cmds[next_nop]->cmd_status = 0;
-
- p->nop_cmds[p->nop_point]->cmd_link = make16((p->xmit_cmds[0]));
- dev->trans_start = jiffies;
- p->nop_point = next_nop;
- dev_kfree_skb(skb,FREE_WRITE);
-# endif
+ p->xmit_buffs[0]->size = TBD_LAST | len;
+ for(i=0;i<16;i++)
+ {
+ p->xmit_cmds[0]->cmd_status = 0;
+ WAIT_4_SCB_CMD();
+ if( (p->scb->cus & CU_STATUS) == CU_SUSPEND)
+ p->scb->cmd_cuc = CUC_RESUME;
+ else
+ {
+ p->scb->cbl_offset = make16(p->xmit_cmds[0]);
+ p->scb->cmd_cuc = CUC_START;
+ }
+
+ ni_attn586();
+ dev->trans_start = jiffies;
+ if(!i)
+ dev_kfree_skb(skb,FREE_WRITE);
+ WAIT_4_SCB_CMD();
+ if( (p->scb->cus & CU_ACTIVE)) /* test it, because CU sometimes doesn't start immediately */
+ break;
+ if(p->xmit_cmds[0]->cmd_status)
+ break;
+ if(i==15)
+ printk("%s: Can't start transmit-command.\n",dev->name);
+ }
+# else
+ next_nop = (p->nop_point + 1) & 0x1;
+ p->xmit_buffs[0]->size = TBD_LAST | len;
+
+ p->xmit_cmds[0]->cmd_link = p->nop_cmds[next_nop]->cmd_link
+ = make16((p->nop_cmds[next_nop]));
+ p->xmit_cmds[0]->cmd_status = p->nop_cmds[next_nop]->cmd_status = 0;
+
+ p->nop_cmds[p->nop_point]->cmd_link = make16((p->xmit_cmds[0]));
+ dev->trans_start = jiffies;
+ p->nop_point = next_nop;
+ dev_kfree_skb(skb,FREE_WRITE);
+# endif
#else
- p->xmit_buffs[p->xmit_count]->size = TBD_LAST | len;
- if( (next_nop = p->xmit_count + 1) == NUM_XMIT_BUFFS )
- next_nop = 0;
+ p->xmit_buffs[p->xmit_count]->size = TBD_LAST | len;
+ if( (next_nop = p->xmit_count + 1) == NUM_XMIT_BUFFS )
+ next_nop = 0;
- p->xmit_cmds[p->xmit_count]->cmd_status = 0;
+ p->xmit_cmds[p->xmit_count]->cmd_status = 0;
/* linkpointer of xmit-command already points to next nop cmd */
- p->nop_cmds[next_nop]->cmd_link = make16((p->nop_cmds[next_nop]));
- p->nop_cmds[next_nop]->cmd_status = 0;
-
- p->nop_cmds[p->xmit_count]->cmd_link = make16((p->xmit_cmds[p->xmit_count]));
- dev->trans_start = jiffies;
- p->xmit_count = next_nop;
-
- {
- long flags;
- save_flags(flags);
- cli();
- if(p->xmit_count != p->xmit_last)
- dev->tbusy = 0;
- p->lock = 0;
- restore_flags(flags);
- }
- dev_kfree_skb(skb,FREE_WRITE);
+ p->nop_cmds[next_nop]->cmd_link = make16((p->nop_cmds[next_nop]));
+ p->nop_cmds[next_nop]->cmd_status = 0;
+
+ p->nop_cmds[p->xmit_count]->cmd_link = make16((p->xmit_cmds[p->xmit_count]));
+ dev->trans_start = jiffies;
+ p->xmit_count = next_nop;
+
+ {
+ long flags;
+ save_flags(flags);
+ cli();
+ if(p->xmit_count != p->xmit_last)
+ dev->tbusy = 0;
+ p->lock = 0;
+ restore_flags(flags);
+ }
+ dev_kfree_skb(skb,FREE_WRITE);
#endif
- }
- return 0;
+ }
+ return 0;
}
/*******************************************
- * Someone wanna have the statistics
+ * Someone wanna have the statistics
*/
-static struct enet_statistics *ni52_get_stats(struct device *dev)
+static struct net_device_stats *ni52_get_stats(struct device *dev)
{
- struct priv *p = (struct priv *) dev->priv;
- unsigned short crc,aln,rsc,ovrn;
-
- crc = p->scb->crc_errs; /* get error-statistic from the ni82586 */
- p->scb->crc_errs = 0;
- aln = p->scb->aln_errs;
- p->scb->aln_errs = 0;
- rsc = p->scb->rsc_errs;
- p->scb->rsc_errs = 0;
- ovrn = p->scb->ovrn_errs;
- p->scb->ovrn_errs = 0;
-
- p->stats.rx_crc_errors += crc;
- p->stats.rx_fifo_errors += ovrn;
- p->stats.rx_frame_errors += aln;
- p->stats.rx_dropped += rsc;
-
- return &p->stats;
+ struct priv *p = (struct priv *) dev->priv;
+ unsigned short crc,aln,rsc,ovrn;
+
+ crc = p->scb->crc_errs; /* get error-statistic from the ni82586 */
+ p->scb->crc_errs = 0;
+ aln = p->scb->aln_errs;
+ p->scb->aln_errs = 0;
+ rsc = p->scb->rsc_errs;
+ p->scb->rsc_errs = 0;
+ ovrn = p->scb->ovrn_errs;
+ p->scb->ovrn_errs = 0;
+
+ p->stats.rx_crc_errors += crc;
+ p->stats.rx_fifo_errors += ovrn;
+ p->stats.rx_frame_errors += aln;
+ p->stats.rx_dropped += rsc;
+
+ return &p->stats;
}
/********************************************************
- * Set MC list ..
+ * Set MC list ..
*/
static void set_multicast_list(struct device *dev)
{
- if(!dev->start)
- {
- printk("%s: Can't apply promiscuous/multicastmode to a not running interface.\n",dev->name);
- return;
- }
+ if(!dev->start)
+ {
+ printk("%s: Can't apply promiscuous/multicastmode to a not running interface.\n",dev->name);
+ return;
+ }
- dev->start = 0;
+ dev->start = 0;
- ni_disint();
- alloc586(dev);
- init586(dev);
- startrecv586(dev);
- ni_enaint();
+ ni_disint();
+ alloc586(dev);
+ init586(dev);
+ startrecv586(dev);
+ ni_enaint();
- dev->start = 1;
+ dev->start = 1;
}
#ifdef MODULE
static struct device dev_ni52 = {
- " ", /* "ni5210": device name inserted by net_init.c */
- 0, 0, 0, 0,
- 0x300, 9, /* I/O address, IRQ */
- 0, 0, 0, NULL, ni52_probe };
+ " ", /* "ni5210": device name inserted by net_init.c */
+ 0, 0, 0, 0,
+ 0x300, 9, /* I/O address, IRQ */
+ 0, 0, 0, NULL, ni52_probe };
/* set: io,irq,memstart,memend or set it when calling insmod */
int irq=9;
int io=0x300;
long memstart=0; /* e.g 0xd0000 */
-long memend=0; /* e.g 0xd4000 */
+long memend=0; /* e.g 0xd4000 */
+
+MODULE_PARM(io, "i");
+MODULE_PARM(irq, "i");
+MODULE_PARM(memstart, "l");
+MODULE_PARM(memend, "l");
int init_module(void)
{
- if(io <= 0x0 || !memend || !memstart || irq < 2) {
- printk("ni52: Autoprobing not allowed for modules.\nni52: Set symbols 'io' 'irq' 'memstart' and 'memend'\n");
- return -ENODEV;
- }
- dev_ni52.irq = irq;
- dev_ni52.base_addr = io;
- dev_ni52.mem_end = memend;
- dev_ni52.mem_start = memstart;
- if (register_netdev(&dev_ni52) != 0)
- return -EIO;
- return 0;
+ if(io <= 0x0 || !memend || !memstart || irq < 2) {
+ printk("ni52: Autoprobing not allowed for modules.\nni52: Set symbols 'io' 'irq' 'memstart' and 'memend'\n");
+ return -ENODEV;
+ }
+ dev_ni52.irq = irq;
+ dev_ni52.base_addr = io;
+ dev_ni52.mem_end = memend;
+ dev_ni52.mem_start = memstart;
+ if (register_netdev(&dev_ni52) != 0)
+ return -EIO;
+ return 0;
}
void cleanup_module(void)
{
- release_region(dev_ni52.base_addr, NI52_TOTAL_SIZE);
- kfree(dev_ni52.priv);
- dev_ni52.priv = NULL;
- unregister_netdev(&dev_ni52);
+ release_region(dev_ni52.base_addr, NI52_TOTAL_SIZE);
+ kfree(dev_ni52.priv);
+ dev_ni52.priv = NULL;
+ unregister_netdev(&dev_ni52);
}
#endif /* MODULE */
@@ -1351,39 +1360,37 @@ void cleanup_module(void)
*/
void ni52_dump(struct device *dev,void *ptr)
{
- struct priv *p = (struct priv *) dev->priv;
- struct dump_cmd_struct *dump_cmd = (struct dump_cmd_struct *) ptr;
- int i;
-
- p->scb->cmd_cuc = CUC_ABORT;
- ni_attn586();
- WAIT_4_SCB_CMD();
- WAIT_4_SCB_CMD_RUC();
-
- dump_cmd->cmd_status = 0;
- dump_cmd->cmd_cmd = CMD_DUMP | CMD_LAST;
- dump_cmd->dump_offset = make16((dump_cmd + 1));
- dump_cmd->cmd_link = 0xffff;
-
- p->scb->cbl_offset = make16(dump_cmd);
- p->scb->cmd_cuc = CUC_START;
- ni_attn586();
- WAIT_4_STAT_COMPL(dump_cmd);
-
- if( (dump_cmd->cmd_status & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) )
- printk("%s: Can't get dump information.\n",dev->name);
-
- for(i=0;i<170;i++) {
- printk("%02x ",(int) ((unsigned char *) (dump_cmd + 1))[i]);
- if(i % 24 == 23)
- printk("\n");
- }
- printk("\n");
+ struct priv *p = (struct priv *) dev->priv;
+ struct dump_cmd_struct *dump_cmd = (struct dump_cmd_struct *) ptr;
+ int i;
+
+ p->scb->cmd_cuc = CUC_ABORT;
+ ni_attn586();
+ WAIT_4_SCB_CMD();
+ WAIT_4_SCB_CMD_RUC();
+
+ dump_cmd->cmd_status = 0;
+ dump_cmd->cmd_cmd = CMD_DUMP | CMD_LAST;
+ dump_cmd->dump_offset = make16((dump_cmd + 1));
+ dump_cmd->cmd_link = 0xffff;
+
+ p->scb->cbl_offset = make16(dump_cmd);
+ p->scb->cmd_cuc = CUC_START;
+ ni_attn586();
+ WAIT_4_STAT_COMPL(dump_cmd);
+
+ if( (dump_cmd->cmd_status & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) )
+ printk("%s: Can't get dump information.\n",dev->name);
+
+ for(i=0;i<170;i++) {
+ printk("%02x ",(int) ((unsigned char *) (dump_cmd + 1))[i]);
+ if(i % 24 == 23)
+ printk("\n");
+ }
+ printk("\n");
}
#endif
/*
- * END: linux/drivers/net/ni52.c
+ * END: linux/drivers/net/ni52.c
*/
-
-