diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1997-04-29 21:13:14 +0000 |
---|---|---|
committer | <ralf@linux-mips.org> | 1997-04-29 21:13:14 +0000 |
commit | 19c9bba94152148523ba0f7ef7cffe3d45656b11 (patch) | |
tree | 40b1cb534496a7f1ca0f5c314a523c69f1fee464 /drivers/net/ni52.c | |
parent | 7206675c40394c78a90e74812bbdbf8cf3cca1be (diff) |
Import of Linux/MIPS 2.1.36
Diffstat (limited to 'drivers/net/ni52.c')
-rw-r--r-- | drivers/net/ni52.c | 1913 |
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 */ - - |