diff options
Diffstat (limited to 'drivers/net/ni52.c')
| -rw-r--r-- | drivers/net/ni52.c | 1142 |
1 files changed, 552 insertions, 590 deletions
diff --git a/drivers/net/ni52.c b/drivers/net/ni52.c index 6b3384a24f07..26aa8fe1fb2d 100644 --- a/drivers/net/ni52.c +++ b/drivers/net/ni52.c @@ -33,20 +33,20 @@ * I have also done a look in the following sources: (mail me if you need them) * crynwr-packet-driver by Russ Nelson * Garret A. Wollman's (fourth) i82586-driver for BSD - * (before getting an i82596 (yes 596 not 586) manual, the existing drivers helped - * me a lot to understand this tricky chip.) + * (before getting an i82596 (yes 596 not 586) manual, the existing drivers + * helped me a lot to understand this tricky chip.) * * Known Problems: * The internal sysbus seems to be slow. So we often lose packets because of * 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 than about 500-600K/s - * the fifo/sysbus overflows. + * This can slow down TCP connections. Maybe the newer ni5210 cards are + * better. My experience is, that if a machine sends with more than 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 - * machine 'overruns' our system. + * 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 @@ -60,7 +60,8 @@ * * 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) + * sending in NOP-mode: peak performance up to 530K/s (but better don't + * run this mode) */ /* @@ -94,7 +95,8 @@ * * 26.March.94: patches for Linux 1.0 and iomem-auto-probe (MH) * - * 30.Sep.93: Added nop-chain .. driver now runs with only one Xmit-Buff, too (MH) + * 30.Sep.93: Added nop-chain .. driver now runs with only one Xmit-Buff, + * too (MH) * * < 30.Sep.93: first versions */ @@ -102,7 +104,7 @@ static int debuglevel; /* debug-printk 0: off 1: a few 2: more */ static int automatic_resume; /* experimental .. better should be zero */ static int rfdadd; /* rfdadd=1 may be better for 8K MEM cards */ -static int fifo=0x8; /* don't change */ +static int fifo = 0x8; /* don't change */ #include <linux/module.h> #include <linux/kernel.h> @@ -127,14 +129,15 @@ static int fifo=0x8; /* don't change */ #define DEBUG /* debug on */ #define SYSBUSVAL 1 /* 8 Bit */ -#define ni_attn586() {outb(0,dev->base_addr+NI52_ATTENTION);} -#define ni_reset586() {outb(0,dev->base_addr+NI52_RESET);} -#define ni_disint() {outb(0,dev->base_addr+NI52_INTDIS);} -#define ni_enaint() {outb(0,dev->base_addr+NI52_INTENA);} +#define ni_attn586() { outb(0, dev->base_addr + NI52_ATTENTION); } +#define ni_reset586() { outb(0, dev->base_addr + NI52_RESET); } +#define ni_disint() { outb(0, dev->base_addr + NI52_INTDIS); } +#define ni_enaint() { outb(0, dev->base_addr + NI52_INTENA); } -#define make32(ptr16) (p->memtop + (short) (ptr16) ) -#define make24(ptr32) ( ((char *) (ptr32)) - p->base) -#define make16(ptr32) ((unsigned short) ((unsigned long)(ptr32) - (unsigned long) p->memtop )) +#define make32(ptr16) (p->memtop + (short) (ptr16)) +#define make24(ptr32) ((unsigned long)(ptr32)) - p->base +#define make16(ptr32) ((unsigned short) ((unsigned long)(ptr32)\ + - (unsigned long) p->memtop)) /******************* how to calculate the buffers ***************************** @@ -159,96 +162,112 @@ sizeof(nop_cmd) = 8; /**************************************************************************/ -/* different DELAYs */ -#define DELAY(x) mdelay(32 * x); -#define DELAY_16(); { udelay(16); } -#define DELAY_18(); { udelay(4); } - -/* wait for command with timeout: */ -#define WAIT_4_SCB_CMD() \ -{ int i; \ - for(i=0;i<16384;i++) { \ - if(!p->scb->cmd_cuc) break; \ - DELAY_18(); \ - if(i == 16383) { \ - printk("%s: scb_cmd timed out: %04x,%04x .. disabling i82586!!\n",dev->name,p->scb->cmd_cuc,p->scb->cus); \ - if(!p->reseted) { p->reseted = 1; ni_reset586(); } } } } - -#define WAIT_4_SCB_CMD_RUC() { int i; \ - for(i=0;i<16384;i++) { \ - if(!p->scb->cmd_ruc) break; \ - DELAY_18(); \ - if(i == 16383) { \ - printk("%s: scb_cmd (ruc) timed out: %04x,%04x .. disabling i82586!!\n",dev->name,p->scb->cmd_ruc,p->scb->rus); \ - if(!p->reseted) { p->reseted = 1; ni_reset586(); } } } } - -#define WAIT_4_STAT_COMPL(addr) { int i; \ - for(i=0;i<32767;i++) { \ - if((addr)->cmd_status & STAT_COMPL) break; \ - DELAY_16(); DELAY_16(); } } #define NI52_TOTAL_SIZE 16 #define NI52_ADDR0 0x02 #define NI52_ADDR1 0x07 #define NI52_ADDR2 0x01 -static int ni52_probe1(struct net_device *dev,int ioaddr); -static irqreturn_t ni52_interrupt(int irq,void *dev_id); +static int ni52_probe1(struct net_device *dev, int ioaddr); +static irqreturn_t ni52_interrupt(int irq, void *dev_id); static int ni52_open(struct net_device *dev); static int ni52_close(struct net_device *dev); -static int ni52_send_packet(struct sk_buff *,struct net_device *); +static int ni52_send_packet(struct sk_buff *, struct net_device *); static struct net_device_stats *ni52_get_stats(struct net_device *dev); static void set_multicast_list(struct net_device *dev); static void ni52_timeout(struct net_device *dev); -#if 0 -static void ni52_dump(struct net_device *,void *); -#endif /* helper-functions */ static int init586(struct net_device *dev); -static int check586(struct net_device *dev,char *where,unsigned size); +static int check586(struct net_device *dev, char *where, unsigned size); static void alloc586(struct net_device *dev); static void startrecv586(struct net_device *dev); -static void *alloc_rfa(struct net_device *dev,void *ptr); +static void *alloc_rfa(struct net_device *dev, void *ptr); static void ni52_rcv_int(struct net_device *dev); static void ni52_xmt_int(struct net_device *dev); static void ni52_rnr_int(struct net_device *dev); -struct priv -{ +struct priv { struct net_device_stats stats; unsigned long base; char *memtop; - long int lock; - int 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]; + spinlock_t spinlock; + int reset; + struct rfd_struct *rfd_last, *rfd_top, *rfd_first; + struct scp_struct *scp; + struct iscp_struct *iscp; + struct scb_struct *scb; + struct tbd_struct *xmit_buffs[NUM_XMIT_BUFFS]; #if (NUM_XMIT_BUFFS == 1) - volatile struct transmit_cmd_struct *xmit_cmds[2]; - volatile struct nop_cmd_struct *nop_cmds[2]; + struct transmit_cmd_struct *xmit_cmds[2]; + struct nop_cmd_struct *nop_cmds[2]; #else - volatile struct transmit_cmd_struct *xmit_cmds[NUM_XMIT_BUFFS]; - volatile struct nop_cmd_struct *nop_cmds[NUM_XMIT_BUFFS]; + struct transmit_cmd_struct *xmit_cmds[NUM_XMIT_BUFFS]; + 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; + int nop_point, num_recv_buffs; + char *xmit_cbuffs[NUM_XMIT_BUFFS]; + int xmit_count, xmit_last; }; +/* wait for command with timeout: */ +static void wait_for_scb_cmd(struct net_device *dev) +{ + struct priv *p = dev->priv; + int i; + for (i = 0; i < 16384; i++) { + if (readb(&p->scb->cmd_cuc) == 0) + break; + udelay(4); + if (i == 16383) { + printk(KERN_ERR "%s: scb_cmd timed out: %04x,%04x .. disabling i82586!!\n", + dev->name, readb(&p->scb->cmd_cuc), readb(&p->scb->cus)); + if (!p->reset) { + p->reset = 1; + ni_reset586(); + } + } + } +} + +static void wait_for_scb_cmd_ruc(struct net_device *dev) +{ + struct priv *p = dev->priv; + int i; + for (i = 0; i < 16384; i++) { + if (readb(&p->scb->cmd_ruc) == 0) + break; + udelay(4); + if (i == 16383) { + printk(KERN_ERR "%s: scb_cmd (ruc) timed out: %04x,%04x .. disabling i82586!!\n", + dev->name, p->scb->cmd_ruc, p->scb->rus); + if (!p->reset) { + p->reset = 1; + ni_reset586(); + } + } + } +} + +static void wait_for_stat_compl(void *p) +{ + struct nop_cmd_struct *addr = p; + int i; + for (i = 0; i < 32767; i++) { + if (readw(&((addr)->cmd_status)) & STAT_COMPL) + break; + udelay(32); + } +} + /********************************************** * close device */ static int ni52_close(struct net_device *dev) { free_irq(dev->irq, dev); - ni_reset586(); /* the hard way to stop the receiver */ - netif_stop_queue(dev); - return 0; } @@ -265,55 +284,53 @@ static int ni52_open(struct net_device *dev) startrecv586(dev); ni_enaint(); - ret = request_irq(dev->irq, &ni52_interrupt,0,dev->name,dev); - if (ret) - { + ret = request_irq(dev->irq, &ni52_interrupt, 0, dev->name, dev); + if (ret) { ni_reset586(); return ret; } - netif_start_queue(dev); - return 0; /* most done by init */ } /********************************************** * Check to see if there's an 82586 out there. */ -static int check586(struct net_device *dev,char *where,unsigned size) +static int check586(struct net_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) isa_bus_to_virt((unsigned long)where) + size - 0x01000000; + p->base = (unsigned long) isa_bus_to_virt((unsigned long)where) + + size - 0x01000000; p->memtop = isa_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]) + memset_io((char *)p->scp, 0, sizeof(struct scp_struct)); + for (i = 0; i < sizeof(struct scp_struct); i++) + /* memory was writeable? */ + if (readb((char *)p->scp + i)) return 0; - p->scp->sysbus = SYSBUSVAL; /* 1 = 8Bit-Bus, 0 = 16 Bit */ - if(p->scp->sysbus != SYSBUSVAL) + writeb(SYSBUSVAL, &p->scp->sysbus); /* 1 = 8Bit-Bus, 0 = 16 Bit */ + if (readb(&p->scp->sysbus) != SYSBUSVAL) return 0; iscp_addrs[0] = isa_bus_to_virt((unsigned long)where); - iscp_addrs[1]= (char *) p->scp - sizeof(struct iscp_struct); + iscp_addrs[1] = (char *) p->scp - sizeof(struct iscp_struct); - for(i=0;i<2;i++) - { + for (i = 0; i < 2; i++) { p->iscp = (struct iscp_struct *) iscp_addrs[i]; - memset((char *)p->iscp,0, sizeof(struct iscp_struct)); + memset_io((char *)p->iscp, 0, sizeof(struct iscp_struct)); - p->scp->iscp = make24(p->iscp); - p->iscp->busy = 1; + writel(make24(p->iscp), &p->scp->iscp); + writeb(1, &p->iscp->busy); ni_reset586(); ni_attn586(); - DELAY(1); /* wait a while... */ - - if(p->iscp->busy) /* i82586 clears 'busy' after successful init */ + mdelay(32); /* wait a while... */ + /* i82586 clears 'busy' after successful init */ + if (readb(&p->iscp->busy)) return 0; } return 1; @@ -327,36 +344,39 @@ static void alloc586(struct net_device *dev) struct priv *p = (struct priv *) dev->priv; ni_reset586(); - DELAY(1); + mdelay(32); + + spin_lock_init(&p->spinlock); p->scp = (struct scp_struct *) (p->base + SCP_DEFAULT_ADDRESS); p->scb = (struct scb_struct *) isa_bus_to_virt(dev->mem_start); - p->iscp = (struct iscp_struct *) ((char *)p->scp - sizeof(struct iscp_struct)); + 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_io(p->iscp, 0, sizeof(struct iscp_struct)); + memset_io(p->scp , 0, sizeof(struct scp_struct)); - p->scp->iscp = make24(p->iscp); - p->scp->sysbus = SYSBUSVAL; - p->iscp->scb_offset = make16(p->scb); + writel(make24(p->iscp), &p->scp->iscp); + writeb(SYSBUSVAL, &p->scp->sysbus); + writew(make16(p->scb), &p->iscp->scb_offset); - p->iscp->busy = 1; + writeb(1, &p->iscp->busy); ni_reset586(); ni_attn586(); - DELAY(1); + mdelay(32); - if(p->iscp->busy) - printk("%s: Init-Problems (alloc).\n",dev->name); + if (readb(&p->iscp->busy)) + printk(KERN_ERR "%s: Init-Problems (alloc).\n", dev->name); - p->reseted = 0; + p->reset = 0; - memset((char *)p->scb,0,sizeof(struct scb_struct)); + memset_io((char *)p->scb, 0, sizeof(struct scb_struct)); } /* set: io,irq,memstart,memend or set it when calling insmod */ -static int irq=9; -static int io=0x300; +static int irq = 9; +static int io = 0x300; static long memstart; /* e.g 0xd0000 */ static long memend; /* e.g 0xd4000 */ @@ -413,7 +433,7 @@ out: return ERR_PTR(err); } -static int __init ni52_probe1(struct net_device *dev,int ioaddr) +static int __init ni52_probe1(struct net_device *dev, int ioaddr) { int i, size, retval; @@ -425,90 +445,96 @@ static int __init ni52_probe1(struct net_device *dev,int ioaddr) if (!request_region(ioaddr, NI52_TOTAL_SIZE, DRV_NAME)) return -EBUSY; - if( !(inb(ioaddr+NI52_MAGIC1) == NI52_MAGICVAL1) || + if (!(inb(ioaddr+NI52_MAGIC1) == NI52_MAGICVAL1) || !(inb(ioaddr+NI52_MAGIC2) == NI52_MAGICVAL2)) { retval = -ENODEV; goto out; } - for(i=0;i<ETH_ALEN;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 + if (dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1 || dev->dev_addr[2] != NI52_ADDR2) { retval = -ENODEV; goto out; } - printk(KERN_INFO "%s: NI5210 found at %#3lx, ",dev->name,dev->base_addr); + printk(KERN_INFO "%s: NI5210 found at %#3lx, ", + dev->name, dev->base_addr); /* * 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); + if (size != 0x2000 && size != 0x4000) { + printk("\n"); + printk(KERN_ERR "%s: Invalid memory size %d. Allowed is 0x2000 or 0x4000 bytes.\n", dev->name, size); retval = -ENODEV; goto out; } - 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); + if (!check586(dev, (char *)dev->mem_start, size)) { + printk(KERN_ERR "?memcheck, Can't find memory at 0x%lx with size %d!\n", dev->mem_start, size); retval = -ENODEV; goto out; } #else - if(dev->mem_start != 0) /* no auto-mem-probe */ - { + if (dev->mem_start != 0) { + /* no auto-mem-probe */ size = 0x4000; /* check for 16K mem */ - if(!check586(dev,(char *) dev->mem_start,size)) { + 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); + if (!check586(dev, (char *)dev->mem_start, size)) { + printk(KERN_ERR "?memprobe, Can't find memory at 0x%lx!\n", dev->mem_start); retval = -ENODEV; goto out; } } - } - 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"); + } else { + static const unsigned long memaddrs[] = { + 0xc8000, 0xca000, 0xcc000, 0xce000, 0xd0000, 0xd2000, + 0xd4000, 0xd6000, 0xd8000, 0xda000, 0xdc000, 0 + }; + for (i = 0;; i++) { + if (!memaddrs[i]) { + printk(KERN_ERR "?memprobe, Can't find io-memory!\n"); retval = -ENODEV; goto out; } dev->mem_start = memaddrs[i]; size = 0x2000; /* check for 8K mem */ - if(check586(dev,(char *)dev->mem_start,size)) /* 8K-check */ + 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 */ + if (check586(dev, (char *)dev->mem_start, size)) + /* 16K-check */ break; } } - dev->mem_end = dev->mem_start + size; /* set mem_end showed by 'ifconfig' */ + /* set mem_end showed by 'ifconfig' */ + dev->mem_end = dev->mem_start + size; #endif - memset((char *) dev->priv,0,sizeof(struct priv)); + memset((char *)dev->priv, 0, sizeof(struct priv)); - ((struct priv *) (dev->priv))->memtop = isa_bus_to_virt(dev->mem_start) + size; - ((struct priv *) (dev->priv))->base = (unsigned long) isa_bus_to_virt(dev->mem_start) + size - 0x01000000; + ((struct priv *)(dev->priv))->memtop = + isa_bus_to_virt(dev->mem_start) + size; + ((struct priv *)(dev->priv))->base = (unsigned long) + isa_bus_to_virt(dev->mem_start) + size - 0x01000000; alloc586(dev); /* set number of receive-buffs according to memsize */ - if(size == 0x2000) + 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); + printk(KERN_DEBUG "Memaddr: 0x%lx, Memsize: %d, ", + dev->mem_start, size); - if(dev->irq < 2) - { + if (dev->irq < 2) { unsigned long irq_mask; irq_mask = probe_irq_on(); @@ -517,18 +543,16 @@ static int __init ni52_probe1(struct net_device *dev,int ioaddr) mdelay(20); dev->irq = probe_irq_off(irq_mask); - if(!dev->irq) - { + if (!dev->irq) { printk("?autoirq, Failed to detect IRQ line!\n"); retval = -EAGAIN; goto out; } - printk("IRQ %d (autodetected).\n",dev->irq); - } - else { - if(dev->irq == 2) + 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); + printk("IRQ %d (assigned and not checked!).\n", dev->irq); } dev->open = ni52_open; @@ -555,56 +579,58 @@ out: static int init586(struct net_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; + int i, result = 0; + struct priv *p = (struct priv *)dev->priv; + struct configure_cmd_struct *cfg_cmd; + struct iasetup_cmd_struct *ias_cmd; + struct tdr_cmd_struct *tdr_cmd; + 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) { + writew(0, &cfg_cmd->cmd_status); + writew(CMD_CONFIGURE | CMD_LAST, &cfg_cmd->cmd_cmd); + writew(0xFFFF, &cfg_cmd->cmd_link); + + /* number of cfg bytes */ + writeb(0x0a, &cfg_cmd->byte_cnt); + /* fifo-limit (8=tx:32/rx:64) */ + writeb(fifo, &cfg_cmd->fifo); + /* hold or discard bad recv frames (bit 7) */ + writeb(0x40, &cfg_cmd->sav_bf); + /* addr_len |!src_insert |pre-len |loopback */ + writeb(0x2e, &cfg_cmd->adr_len); + writeb(0x00, &cfg_cmd->priority); + writeb(0x60, &cfg_cmd->ifs);; + writeb(0x00, &cfg_cmd->time_low); + writeb(0xf2, &cfg_cmd->time_high); + writeb(0x00, &cfg_cmd->promisc);; + 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 (num_addrs > len) { + printk(KERN_ERR "%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; + if (dev->flags & IFF_PROMISC) + writeb(0x01, &cfg_cmd->promisc); + writeb(0x00, &cfg_cmd->carr_coll); + writew(make16(cfg_cmd), &p->scb->cbl_offset); + writew(0, &p->scb->cmd_ruc); - p->scb->cbl_offset = make16(cfg_cmd); - p->scb->cmd_ruc = 0; - - p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */ + writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */ ni_attn586(); - WAIT_4_STAT_COMPL(cfg_cmd); + wait_for_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); + if ((readw(&cfg_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != + (STAT_COMPL|STAT_OK)) { + printk(KERN_ERR "%s: configure command failed: %x\n", + dev->name, readw(&cfg_cmd->cmd_status)); return 1; } @@ -614,21 +640,22 @@ static int init586(struct net_device *dev) 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; + writew(0, &ias_cmd->cmd_status); + writew(CMD_IASETUP | CMD_LAST, &ias_cmd->cmd_cmd); + writew(0xffff, &ias_cmd->cmd_link); - memcpy((char *)&ias_cmd->iaddr,(char *) dev->dev_addr,ETH_ALEN); + memcpy_toio((char *)&ias_cmd->iaddr, (char *)dev->dev_addr, ETH_ALEN); - p->scb->cbl_offset = make16(ias_cmd); + writew(make16(ias_cmd), &p->scb->cbl_offset); - p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */ + writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */ ni_attn586(); - WAIT_4_STAT_COMPL(ias_cmd); + wait_for_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); + if ((readw(&ias_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != + (STAT_OK|STAT_COMPL)) { + printk(KERN_ERR "%s (ni52): individual address setup command failed: %04x\n", dev->name, readw(&ias_cmd->cmd_status)); return 1; } @@ -638,117 +665,119 @@ static int init586(struct net_device *dev) 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; + writew(0, &tdr_cmd->cmd_status); + writew(CMD_TDR | CMD_LAST, &tdr_cmd->cmd_cmd); + writew(0xffff, &tdr_cmd->cmd_link); + writew(0, &tdr_cmd->status); - p->scb->cbl_offset = make16(tdr_cmd); - p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */ + writew(make16(tdr_cmd), &p->scb->cbl_offset); + writeb(CUC_START, &p->scb->cmd_cuc); /* 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; + wait_for_stat_compl(tdr_cmd); - p->scb->cmd_cuc = p->scb->cus & STAT_MASK; + if (!(readw(&tdr_cmd->cmd_status) & STAT_COMPL)) + printk(KERN_ERR "%s: Problems while running the TDR.\n", + dev->name); + else { + udelay(16); + result = readw(&tdr_cmd->status); + writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc); ni_attn586(); /* ack the interrupts */ - if(result & TDR_LNK_OK) + 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); + else if (result & TDR_XCVR_PRB) + printk(KERN_ERR "%s: TDR: Transceiver problem. Check the cable(s)!\n", + dev->name); + else if (result & TDR_ET_OPN) + printk(KERN_ERR "%s: TDR: No correct termination %d clocks away.\n", + dev->name, result & TDR_TIMEMASK); + else if (result & TDR_ET_SRT) { + /* time == 0 -> strange :-) */ + if (result & TDR_TIMEMASK) + printk(KERN_ERR "%s: TDR: Detected a short circuit %d clocks away.\n", + dev->name, result & TDR_TIMEMASK); + } else + printk(KERN_ERR "%s: TDR: Unknown status %04x\n", + dev->name, result); } /* * Multicast setup */ - if(num_addrs && !(dev->flags & IFF_PROMISC) ) - { + 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; + writew(0, &mc_cmd->cmd_status); + writew(CMD_MCSETUP | CMD_LAST, &mc_cmd->cmd_cmd); + writew(0xffff, &mc_cmd->cmd_link); + writew(num_addrs * 6, &mc_cmd->mc_cnt); - for(i=0;i<num_addrs;i++,dmi=dmi->next) - memcpy((char *) mc_cmd->mc_list[i], dmi->dmi_addr,6); + for (i = 0; i < num_addrs; i++, dmi = dmi->next) + memcpy_toio((char *) mc_cmd->mc_list[i], + dmi->dmi_addr, 6); - p->scb->cbl_offset = make16(mc_cmd); - p->scb->cmd_cuc = CUC_START; + writew(make16(mc_cmd), &p->scb->cbl_offset); + writeb(CUC_START, &p->scb->cmd_cuc); ni_attn586(); - WAIT_4_STAT_COMPL(mc_cmd); + wait_for_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); + if ((readw(&mc_cmd->cmd_status) & (STAT_COMPL|STAT_OK)) + != (STAT_COMPL|STAT_OK)) + printk(KERN_ERR "%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])); + for (i = 0; i < 2; i++) { + p->nop_cmds[i] = (struct nop_cmd_struct *)ptr; + writew(CMD_NOP, &p->nop_cmds[i]->cmd_cmd); + writew(0, &p->nop_cmds[i]->cmd_status); + writew(make16(p->nop_cmds[i]), &p->nop_cmds[i]->cmd_link); 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])); + for (i = 0; i < NUM_XMIT_BUFFS; i++) { + p->nop_cmds[i] = (struct nop_cmd_struct *)ptr; + writew(CMD_NOP, &p->nop_cmds[i]->cmd_cmd); + writew(0, &p->nop_cmds[i]->cmd_status); + writew(make16(p->nop_cmds[i]), &p->nop_cmds[i]->cmd_link); ptr = (char *) ptr + sizeof(struct nop_cmd_struct); } #endif - ptr = alloc_rfa(dev,(void *)ptr); /* init receive-frame-area */ + 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*/ + for (i = 0; i < NUM_XMIT_BUFFS; i++) { + /* Transmit cmd/buff 0 */ + p->xmit_cmds[i] = (struct transmit_cmd_struct *)ptr; 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); + if ((void *)ptr > (void *)p->iscp) { + printk(KERN_ERR "%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])); + memset_io((char *)(p->xmit_cmds[i]), 0, + sizeof(struct transmit_cmd_struct)); + memset_io((char *)(p->xmit_buffs[i]), 0, + sizeof(struct tbd_struct)); + writew(make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]), + &p->xmit_cmds[i]->cmd_link); + writew(STAT_COMPL, &p->xmit_cmds[i]->cmd_status); + writew(CMD_XMIT|CMD_INT, &p->xmit_cmds[i]->cmd_cmd); + writew(make16(p->xmit_buffs[i]), &p->xmit_cmds[i]->tbd_offset); + writew(0xffff, &p->xmit_buffs[i]->next); + writel(make24(p->xmit_cbuffs[i]), &p->xmit_buffs[i]->buffer); } p->xmit_count = 0; @@ -761,21 +790,21 @@ static int init586(struct net_device *dev) * 'start transmitter' */ #ifndef NO_NOPCOMMANDS - p->scb->cbl_offset = make16(p->nop_cmds[0]); - p->scb->cmd_cuc = CUC_START; + writew(make16(p->nop_cmds[0]), &p->scb->cbl_offset); + writeb(CUC_START, &p->scb->cmd_cuc); ni_attn586(); - WAIT_4_SCB_CMD(); + wait_for_scb_cmd(dev); #else - p->xmit_cmds[0]->cmd_link = make16(p->xmit_cmds[0]); - p->xmit_cmds[0]->cmd_cmd = CMD_XMIT | CMD_SUSPEND | CMD_INT; + writew(make16(p->xmit_cmds[0]), &p->xmit_cmds[0]->cmd_link); + writew(CMD_XMIT | CMD_SUSPEND | CMD_INT, &p->xmit_cmds[0]->cmd_cmd); #endif /* * ack. interrupts */ - p->scb->cmd_cuc = p->scb->cus & STAT_MASK; + writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc); ni_attn586(); - DELAY_16(); + udelay(16); ni_enaint(); @@ -787,43 +816,45 @@ static int init586(struct net_device *dev) * It sets up the Receive Frame Area (RFA). */ -static void *alloc_rfa(struct net_device *dev,void *ptr) +static void *alloc_rfa(struct net_device *dev, void *ptr) { - volatile struct rfd_struct *rfd = (struct rfd_struct *)ptr; - volatile struct rbd_struct *rbd; + struct rfd_struct *rfd = (struct rfd_struct *)ptr; + 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)); + memset_io((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; + for (i = 0; i < (p->num_recv_buffs + rfdadd); i++) { + writew(make16(rfd + (i+1) % (p->num_recv_buffs+rfdadd)), + &rfd[i].next); + writew(0xffff, &rfd[i].rbd_offset); } - rfd[p->num_recv_buffs-1+rfdadd].last = RFD_SUSP; /* RU suspend */ + /* RU suspend */ + writeb(RFD_SUSP, &rfd[p->num_recv_buffs-1+rfdadd].last); - 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); /* clr descriptors */ - memset((char *) rbd,0,sizeof(struct rbd_struct)*(p->num_recv_buffs)); + memset_io((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); + for (i = 0; i < p->num_recv_buffs; i++) { + writew(make16(rbd + (i+1) % p->num_recv_buffs), &rbd[i].next); + writew(RECV_BUFF_SIZE, &rbd[i].size); + writel(make24(ptr), &rbd[i].buffer); 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->scb->rfa_offset = make16(p->rfd_first); - p->rfd_first->rbd_offset = make16(rbd); + writew(make16(p->rfd_first), &p->scb->rfa_offset); + writew(make16(rbd), &p->rfd_first->rbd_offset); return ptr; } @@ -833,73 +864,71 @@ static void *alloc_rfa(struct net_device *dev,void *ptr) * Interrupt Handler ... */ -static irqreturn_t ni52_interrupt(int irq,void *dev_id) +static irqreturn_t ni52_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; - unsigned short stat; - int cnt=0; + unsigned int stat; + int cnt = 0; struct priv *p; - if (!dev) { - printk ("ni5210-interrupt: irq %d for unknown device.\n",irq); - return IRQ_NONE; - } p = (struct priv *) dev->priv; - if(debuglevel > 1) + if (debuglevel > 1) printk("I"); - WAIT_4_SCB_CMD(); /* wait for last command */ + spin_lock(&p->spinlock); - while((stat=p->scb->cus & STAT_MASK)) - { - p->scb->cmd_cuc = stat; + wait_for_scb_cmd(dev); /* wait for last command */ + + while ((stat = readb(&p->scb->cus) & STAT_MASK)) { + writeb(stat, &p->scb->cmd_cuc); ni_attn586(); - if(stat & STAT_FR) /* received a frame */ + if (stat & STAT_FR) /* received a frame */ ni52_rcv_int(dev); - if(stat & STAT_RNR) /* RU went 'not ready' */ - { + if (stat & STAT_RNR) { /* RU went 'not ready' */ printk("(R)"); - if(p->scb->rus & RU_SUSPEND) /* special case: RU_SUSPEND */ - { - WAIT_4_SCB_CMD(); + if (readb(&p->scb->rus) & RU_SUSPEND) { + /* special case: RU_SUSPEND */ + wait_for_scb_cmd(dev); 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); + wait_for_scb_cmd_ruc(dev); + } else { + printk(KERN_ERR "%s: Receiver-Unit went 'NOT READY': %04x/%02x.\n", + dev->name, stat, readb(&p->scb->rus)); ni52_rnr_int(dev); } } - if(stat & STAT_CX) /* command with I-bit set complete */ + /* Command with I-bit set complete */ + if (stat & STAT_CX) ni52_xmt_int(dev); #ifndef NO_NOPCOMMANDS - if(stat & STAT_CNA) /* CU went 'not ready' */ - { - if(netif_running(dev)) - 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 (netif_running(dev)) + printk(KERN_ERR "%s: oops! CU has left active state. stat: %04x/%02x.\n", + dev->name, stat, readb(&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); + /* Wait for ack. (ni52_xmt_int can be faster than ack!!) */ + wait_for_scb_cmd(dev); + if (p->scb->cmd_cuc) { /* timed out? */ + printk(KERN_ERR "%s: Acknowledge timed out.\n", + dev->name); ni_disint(); break; } } + spin_unlock(&p->spinlock); - if(debuglevel > 1) + if (debuglevel > 1) printk("i"); return IRQ_HANDLED; } @@ -910,121 +939,91 @@ static irqreturn_t ni52_interrupt(int irq,void *dev_id) static void ni52_rcv_int(struct net_device *dev) { - int status,cnt=0; + int status, cnt = 0; unsigned short totlen; struct sk_buff *skb; struct rbd_struct *rbd; - struct priv *p = (struct priv *) dev->priv; + struct priv *p = (struct priv *)dev->priv; - if(debuglevel > 0) + 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_reserve(skb,2); - skb_put(skb,totlen); - skb_copy_to_linear_data(skb,(char *) p->base+(unsigned long) rbd->buffer,totlen); - skb->protocol=eth_type_trans(skb,dev); - netif_rx(skb); - dev->last_rx = jiffies; - p->stats.rx_packets++; - p->stats.rx_bytes += totlen; + for (; (status = readb(&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? */ + totlen = readw(&rbd->status); + if (totlen & RBD_LAST) { + /* the first and the last buffer? */ + totlen &= RBD_MASK; /* length of this frame */ + writew(0x00, &rbd->status); + skb = (struct sk_buff *)dev_alloc_skb(totlen+2); + if (skb != NULL) { + skb_reserve(skb, 2); + skb_put(skb, totlen); + skb_copy_to_linear_data(skb, (char *)p->base + (unsigned long) rbd->buffer, totlen); + skb->protocol = eth_type_trans(skb, dev); + netif_rx(skb); + dev->last_rx = jiffies; + p->stats.rx_packets++; + p->stats.rx_bytes += totlen; + } else + p->stats.rx_dropped++; + } else { + int rstat; + /* free all RBD's until RBD_LAST is set */ + totlen = 0; + while (!((rstat = readw(&rbd->status)) & RBD_LAST)) { + totlen += rstat & RBD_MASK; + if (!rstat) { + printk(KERN_ERR "%s: Whoops .. no end mark in RBD list\n", dev->name); + break; } - else - p->stats.rx_dropped++; + writew(0, &rbd->status); + rbd = (struct rbd_struct *) make32(readl(&rbd->next)); } - 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++; + totlen += rstat & RBD_MASK; + writew(0, &rbd->status); + printk(KERN_ERR "%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); + } else {/* frame !(ok), only with 'save-bad-frames' */ + printk(KERN_ERR "%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 */ + writeb(0, &p->rfd_top->stat_high); + writeb(RFD_SUSP, &p->rfd_top->last); /* maybe exchange by RFD_LAST */ + writew(0xffff, &p->rfd_top->rbd_offset); + writeb(0, &p->rfd_last->last); /* 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); + writew(make16(p->rfd_top), &p->scb->rfa_offset); - if(debuglevel > 0) - printk("%d",cnt++); + if (debuglevel > 0) + printk("%d", cnt++); } - if(automatic_resume) - { - WAIT_4_SCB_CMD(); - p->scb->cmd_ruc = RUC_RESUME; + if (automatic_resume) { + wait_for_scb_cmd(dev); + writeb(RUC_RESUME, &p->scb->cmd_ruc); ni_attn586(); - WAIT_4_SCB_CMD_RUC(); + wait_for_scb_cmd_ruc(dev); } #ifdef WAIT_4_BUSY { int i; - for(i=0;i<1024;i++) - { - if(p->rfd_top->status) + 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); + udelay(16); + if (i == 1023) + printk(KERN_ERR "%s: RU hasn't fetched next RFD (not busy/complete)\n", dev->name); } } #endif - -#if 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; -#endif - - if(debuglevel > 0) + if (debuglevel > 0) printk("r"); } @@ -1038,16 +1037,16 @@ static void ni52_rnr_int(struct net_device *dev) 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. */ + wait_for_scb_cmd(dev); /* wait for the last cmd, WAIT_4_FULLSTAT?? */ + writeb(RUC_ABORT, &p->scb->cmd_ruc); /* usually the RU is in the 'no resource'-state .. abort it now. */ ni_attn586(); - WAIT_4_SCB_CMD_RUC(); /* wait for accept cmd. */ + wait_for_scb_cmd_ruc(dev); /* wait for accept cmd. */ - alloc_rfa(dev,(char *)p->rfd_first); -/* maybe add a check here, before restarting the RU */ + alloc_rfa(dev, (char *)p->rfd_first); + /* maybe add a check here, before restarting the RU */ startrecv586(dev); /* restart RU */ - printk("%s: Receive-Unit restarted. Status: %04x\n",dev->name,p->scb->rus); + printk(KERN_ERR "%s: Receive-Unit restarted. Status: %04x\n", dev->name, p->scb->rus); } @@ -1060,43 +1059,41 @@ static void ni52_xmt_int(struct net_device *dev) int status; struct priv *p = (struct priv *) dev->priv; - if(debuglevel > 0) + 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); + status = readw(&p->xmit_cmds[p->xmit_last]->cmd_status); + if (!(status & STAT_COMPL)) + printk(KERN_ERR "%s: strange .. xmit-int without a 'COMPLETE'\n", dev->name); - if(status & STAT_OK) - { + if (status & STAT_OK) { p->stats.tx_packets++; p->stats.collisions += (status & TCMD_MAXCOLLMASK); - } - else - { + } else { p->stats.tx_errors++; - if(status & TCMD_LATECOLL) { - printk("%s: late collision detected.\n",dev->name); + if (status & TCMD_LATECOLL) { + printk(KERN_ERR "%s: late collision detected.\n", + dev->name); p->stats.collisions++; - } - else if(status & TCMD_NOCARRIER) { + } 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) { + printk(KERN_ERR "%s: no carrier detected.\n", + dev->name); + } else if (status & TCMD_LOSTCTS) + printk(KERN_ERR "%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); + printk(KERN_ERR "%s: DMA underrun detected.\n", + dev->name); + } else if (status & TCMD_MAXCOLL) { + printk(KERN_ERR "%s: Max. collisions exceeded.\n", + dev->name); p->stats.collisions += 16; } } - #if (NUM_XMIT_BUFFS > 1) - if( (++p->xmit_last) == NUM_XMIT_BUFFS) + if ((++p->xmit_last) == NUM_XMIT_BUFFS) p->xmit_last = 0; #endif netif_wake_queue(dev); @@ -1110,41 +1107,51 @@ static void startrecv586(struct net_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; + wait_for_scb_cmd(dev); + wait_for_scb_cmd_ruc(dev); + writew(make16(p->rfd_first), &p->scb->rfa_offset); + writeb(RUC_START, &p->scb->cmd_ruc); ni_attn586(); /* start cmd. */ - WAIT_4_SCB_CMD_RUC(); /* wait for accept cmd. (no timeout!!) */ + wait_for_scb_cmd_ruc(dev); + /* wait for accept cmd. (no timeout!!) */ } static void ni52_timeout(struct net_device *dev) { struct priv *p = (struct priv *) dev->priv; #ifndef NO_NOPCOMMANDS - if(p->scb->cus & CU_ACTIVE) /* COMMAND-UNIT active? */ - { + if (readb(&p->scb->cus) & CU_ACTIVE) { /* COMMAND-UNIT active? */ netif_wake_queue(dev); #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(KERN_ERR "%s: strange ... timeout with CU active?!?\n", + dev->name); + printk(KERN_ERR "%s: X0: %04x N0: %04x N1: %04x %d\n", + dev->name, (int)p->xmit_cmds[0]->cmd_status, + readw(&p->nop_cmds[0]->cmd_status), + readw(&p->nop_cmds[1]->cmd_status), + p->nop_point); #endif - p->scb->cmd_cuc = CUC_ABORT; + writeb(CUC_ABORT, &p->scb->cmd_cuc); ni_attn586(); - WAIT_4_SCB_CMD(); - p->scb->cbl_offset = make16(p->nop_cmds[p->nop_point]); - p->scb->cmd_cuc = CUC_START; + wait_for_scb_cmd(dev); + writew(make16(p->nop_cmds[p->nop_point]), &p->scb->cbl_offset); + writeb(CUC_START, &p->scb->cmd_cuc); ni_attn586(); - WAIT_4_SCB_CMD(); + wait_for_scb_cmd(dev); dev->trans_start = jiffies; return 0; } #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(KERN_ERR "%s: xmitter timed out, try to restart! stat: %02x\n", + dev->name, readb(&p->scb->cus)); + printk(KERN_ERR "%s: command-stats: %04x %04x\n", + dev->name, + readw(&p->xmit_cmds[0]->cmd_status), + readw(&p->xmit_cmds[1]->cmd_status)); + printk(KERN_ERR "%s: check, whether you set the right interrupt number!\n", + dev->name); #endif ni52_close(dev); ni52_open(dev); @@ -1158,110 +1165,99 @@ static void ni52_timeout(struct net_device *dev) static int ni52_send_packet(struct sk_buff *skb, struct net_device *dev) { - int len,i; + int len, i; #ifndef NO_NOPCOMMANDS int next_nop; #endif struct priv *p = (struct priv *) dev->priv; - 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); + if (skb->len > XMIT_BUFF_SIZE) { + printk(KERN_ERR "%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; } netif_stop_queue(dev); -#if(NUM_XMIT_BUFFS > 1) - if(test_and_set_bit(0,(void *) &p->lock)) { - printk("%s: Queue was locked\n",dev->name); - return 1; + skb_copy_from_linear_data(skb, (char *)p->xmit_cbuffs[p->xmit_count], + skb->len); + len = skb->len; + if (len < ETH_ZLEN) { + len = ETH_ZLEN; + memset((char *)p->xmit_cbuffs[p->xmit_count]+skb->len, 0, + len - skb->len); } - else -#endif - { - skb_copy_from_linear_data(skb, (char *) p->xmit_cbuffs[p->xmit_count], skb->len); - len = skb->len; - if (len < ETH_ZLEN) { - len = ETH_ZLEN; - memset((char *)p->xmit_cbuffs[p->xmit_count]+skb->len, 0, len - skb->len); - } #if (NUM_XMIT_BUFFS == 1) # 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(KERN_ERR "%s: Hmmm .. CU is still running and we wanna send a new packet.\n", dev->name); + printk(KERN_ERR "%s: stat: %04x %04x\n", + dev->name, readb(&p->scb->cus), + readw(&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); - 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); + writew(TBD_LAST | len, &p->xmit_buffs[0]->size);; + for (i = 0; i < 16; i++) { + writew(0, &p->xmit_cmds[0]->cmd_status); + wait_for_scb_cmd(dev); + if ((readb(&p->scb->cus) & CU_STATUS) == CU_SUSPEND) + writeb(CUC_RESUME, &p->scb->cmd_cuc); + else { + writew(make16(p->xmit_cmds[0]), &p->scb->cbl_offset); + writeb(CUC_START, &p->scb->cmd_cuc); } -# 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])); + ni_attn586(); dev->trans_start = jiffies; - p->nop_point = next_nop; - dev_kfree_skb(skb); + if (!i) + dev_kfree_skb(skb); + wait_for_scb_cmd(dev); + /* test it, because CU sometimes doesn't start immediately */ + if (readb(&p->scb->cus) & CU_ACTIVE) + break; + if (readw(&p->xmit_cmds[0]->cmd_status)) + break; + if (i == 15) + printk(KERN_WARNING "%s: Can't start transmit-command.\n", dev->name); + } +# else + next_nop = (p->nop_point + 1) & 0x1; + writew(TBD_LAST | len, &p->xmit_buffs[0]->size); + writew(make16(p->nop_cmds[next_nop]), &p->xmit_cmds[0]->cmd_link); + writew(make16(p->nop_cmds[next_nop]), + &p->nop_cmds[next_nop]->cmd_link); + writew(0, &p->xmit_cmds[0]->cmd_status); + writew(0, &p->nop_cmds[next_nop]->cmd_status); + + writew(make16(p->xmit_cmds[0]), &p->nop_cmds[p->nop_point]->cmd_link); + dev->trans_start = jiffies; + p->nop_point = next_nop; + dev_kfree_skb(skb); # 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_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; - - { - unsigned long flags; - save_flags(flags); - cli(); - if(p->xmit_count != p->xmit_last) - netif_wake_queue(dev); - p->lock = 0; - restore_flags(flags); - } - dev_kfree_skb(skb); -#endif + writew(TBD_LAST | len, &p->xmit_buffs[p->xmit_count]->size); + next_nop = p->xmit_count + 1 + if (next_nop == NUM_XMIT_BUFFS) + next_nop = 0; + writew(0, &p->xmit_cmds[p->xmit_count]->cmd_status); + /* linkpointer of xmit-command already points to next nop cmd */ + writew(make16(p->nop_cmds[next_nop]), + &p->nop_cmds[next_nop]->cmd_link); + writew(0, &p->nop_cmds[next_nop]->cmd_status); + writew(make16(p->xmit_cmds[p->xmit_count]), + &p->nop_cmds[p->xmit_count]->cmd_link); + dev->trans_start = jiffies; + p->xmit_count = next_nop; + { + unsigned long flags; + spin_lock_irqsave(&p->spinlock); + if (p->xmit_count != p->xmit_last) + netif_wake_queue(dev); + spin_unlock_irqrestore(&p->spinlock); } + dev_kfree_skb(skb); +#endif return 0; } @@ -1272,16 +1268,17 @@ static int ni52_send_packet(struct sk_buff *skb, struct net_device *dev) static struct net_device_stats *ni52_get_stats(struct net_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; + unsigned short crc, aln, rsc, ovrn; + + /* Get error-statistics from the ni82586 */ + crc = readw(&p->scb->crc_errs); + writew(0, &p->scb->crc_errs); + aln = readw(&p->scb->aln_errs); + writew(0, &p->scb->aln_errs); + rsc = readw(&p->scb->rsc_errs); + writew(0, &p->scb->rsc_errs); + ovrn = readw(&p->scb->ovrn_errs); + writew(0, &p->scb->ovrn_errs); p->stats.rx_crc_errors += crc; p->stats.rx_fifo_errors += ovrn; @@ -1320,8 +1317,9 @@ MODULE_PARM_DESC(memend, "NI5210 memory end address,required"); int __init 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"); + if (io <= 0x0 || !memend || !memstart || irq < 2) { + printk(KERN_ERR "ni52: Autoprobing not allowed for modules.\n"); + printk(KERN_ERR "ni52: Set symbols 'io' 'irq' 'memstart' and 'memend'\n"); return -ENODEV; } dev_ni52 = ni52_probe(-1); @@ -1338,42 +1336,6 @@ void __exit cleanup_module(void) } #endif /* MODULE */ -#if 0 -/* - * DUMP .. we expect a not running CMD unit and enough space - */ -void ni52_dump(struct net_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"); -} -#endif MODULE_LICENSE("GPL"); /* |