static void set_multicast_list(struct net_device *dev)
{
netif_stop_queue(dev);
ni_disint();
alloc586(dev);
init586(dev);
startrecv586(dev);
ni_enaint();
netif_wake_queue(dev);
}
static int ni52_open(struct net_device *dev)
{
int ret;
ni_disint();
alloc586(dev);
init586(dev);
startrecv586(dev);
ni_enaint();
ret = request_irq(dev->irq, ni52_interrupt, 0, dev->name, dev);
if (ret) {
ni_reset586();
return ret;
}
netif_start_queue(dev);
return 0; /* */
}
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;
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);
}
#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);
}
#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;
#ifndef NO_NOPCOMMANDS
p->nop_point = 0;
#endif
/*
* '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();
#else
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();
ni_enaint();
return 0;
}
static int init586(struct net_device *dev)
{
void __iomem *ptr;
int i, result = 0;
struct priv *p = netdev_priv(dev);
struct configure_cmd_struct __iomem *cfg_cmd;
struct iasetup_cmd_struct __iomem *ias_cmd;
struct tdr_cmd_struct __iomem *tdr_cmd;
struct mcsetup_cmd_struct __iomem *mc_cmd;
struct netdev_hw_addr *ha;
int num_addrs = netdev_mc_count(dev);
ptr = p->scb + 1;
cfg_cmd = ptr; /* */
writew(0, &cfg_cmd->cmd_status);
writew(CMD_CONFIGURE | CMD_LAST, &cfg_cmd->cmd_cmd);
writew(0xFFFF, &cfg_cmd->cmd_link);
/* */
writeb(0x0a, &cfg_cmd->byte_cnt);
/* */
writeb(fifo, &cfg_cmd->fifo);
/* */
writeb(0x40, &cfg_cmd->sav_bf);
/* */
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 __iomem *)p->iscp - (char __iomem *)ptr - 8) / 6;
if (num_addrs > len) {
printk(KERN_ERR "%s: switching to promisc. mode\n",
dev->name);
writeb(0x01, &cfg_cmd->promisc);
}
}
if (dev->flags & IFF_PROMISC)
writeb(0x01, &cfg_cmd->promisc);
writeb(0x00, &cfg_cmd->carr_coll);
writew(make16(cfg_cmd), &p->scb->cbl_offset);
writeb(0, &p->scb->cmd_ruc);
writeb(CUC_START, &p->scb->cmd_cuc); /* */
ni_attn586();
wait_for_stat_compl(cfg_cmd);
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;
}
/*
*/
ias_cmd = ptr;
writew(0, &ias_cmd->cmd_status);
writew(CMD_IASETUP | CMD_LAST, &ias_cmd->cmd_cmd);
writew(0xffff, &ias_cmd->cmd_link);
memcpy_toio(&ias_cmd->iaddr, (char *)dev->dev_addr, ETH_ALEN);
writew(make16(ias_cmd), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc); /* */
ni_attn586();
wait_for_stat_compl(ias_cmd);
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;
}
/*
*/
tdr_cmd = ptr;
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);
writew(make16(tdr_cmd), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc); /* */
ni_attn586();
wait_for_stat_compl(tdr_cmd);
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(); /* */
if (result & TDR_LNK_OK)
;
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) {
/* */
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);
}
/*
*/
if (num_addrs && !(dev->flags & IFF_PROMISC)) {
mc_cmd = ptr;
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);
i = 0;
netdev_for_each_mc_addr(ha, dev)
memcpy_toio(mc_cmd->mc_list[i++], ha->addr, 6);
writew(make16(mc_cmd), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc);
ni_attn586();
wait_for_stat_compl(mc_cmd);
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);
}
/*
*/
#if (NUM_XMIT_BUFFS == 1)
for (i = 0; i < 2; i++) {
p->nop_cmds[i] = 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 = ptr + sizeof(struct nop_cmd_struct);
}
#else
for (i = 0; i < NUM_XMIT_BUFFS; i++) {
p->nop_cmds[i] = 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 = ptr + sizeof(struct nop_cmd_struct);
}
#endif
ptr = alloc_rfa(dev, ptr); /* */
/*
*/
for (i = 0; i < NUM_XMIT_BUFFS; i++) {
/* */
p->xmit_cmds[i] = ptr;
ptr = ptr + sizeof(struct transmit_cmd_struct);
p->xmit_cbuffs[i] = ptr; /* */
ptr = ptr + XMIT_BUFF_SIZE;
p->xmit_buffs[i] = ptr; /* */
ptr = ptr + sizeof(struct tbd_struct);
if ((void __iomem *)ptr > (void __iomem *)p->iscp) {
printk(KERN_ERR "%s: not enough shared-mem for your configuration!\n",
dev->name);
return 1;
}
memset_io(p->xmit_cmds[i], 0,
sizeof(struct transmit_cmd_struct));
memset_io(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;
p->xmit_last = 0;
#ifndef NO_NOPCOMMANDS
p->nop_point = 0;
#endif
/*
*/
#ifndef NO_NOPCOMMANDS
writew(make16(p->nop_cmds[0]), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc);
ni_attn586();
wait_for_scb_cmd(dev);
#else
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
/*
*/
writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc);
ni_attn586();
udelay(16);
ni_enaint();
return 0;
}
static int init586(struct net_device *dev)
{
void __iomem *ptr;
int i, result = 0;
struct priv *p = (struct priv *)dev->priv;
struct configure_cmd_struct __iomem *cfg_cmd;
struct iasetup_cmd_struct __iomem *ias_cmd;
struct tdr_cmd_struct __iomem *tdr_cmd;
struct mcsetup_cmd_struct __iomem *mc_cmd;
struct dev_mc_list *dmi = dev->mc_list;
int num_addrs = dev->mc_count;
ptr = p->scb + 1;
cfg_cmd = ptr; /* configure-command */
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 __iomem *)p->iscp - (char __iomem *)ptr - 8) / 6;
if (num_addrs > len) {
printk(KERN_ERR "%s: switching to promisc. mode\n",
dev->name);
dev->flags |= IFF_PROMISC;
}
}
if (dev->flags & IFF_PROMISC)
writeb(0x01, &cfg_cmd->promisc);
writeb(0x00, &cfg_cmd->carr_coll);
writew(make16(cfg_cmd), &p->scb->cbl_offset);
writeb(0, &p->scb->cmd_ruc);
writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */
ni_attn586();
wait_for_stat_compl(cfg_cmd);
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;
}
/*
* individual address setup
*/
ias_cmd = ptr;
writew(0, &ias_cmd->cmd_status);
writew(CMD_IASETUP | CMD_LAST, &ias_cmd->cmd_cmd);
writew(0xffff, &ias_cmd->cmd_link);
memcpy_toio(&ias_cmd->iaddr, (char *)dev->dev_addr, ETH_ALEN);
writew(make16(ias_cmd), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */
ni_attn586();
wait_for_stat_compl(ias_cmd);
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;
}
/*
* TDR, wire check .. e.g. no resistor e.t.c
*/
tdr_cmd = ptr;
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);
writew(make16(tdr_cmd), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */
ni_attn586();
wait_for_stat_compl(tdr_cmd);
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)
;
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)) {
mc_cmd = ptr;
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_toio(mc_cmd->mc_list[i],
dmi->dmi_addr, 6);
writew(make16(mc_cmd), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc);
ni_attn586();
wait_for_stat_compl(mc_cmd);
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] = 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 = ptr + sizeof(struct nop_cmd_struct);
}
#else
for (i = 0; i < NUM_XMIT_BUFFS; i++) {
p->nop_cmds[i] = 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 = ptr + sizeof(struct nop_cmd_struct);
}
#endif
ptr = alloc_rfa(dev, ptr); /* init receive-frame-area */
/*
* alloc xmit-buffs / init xmit_cmds
*/
for (i = 0; i < NUM_XMIT_BUFFS; i++) {
/* Transmit cmd/buff 0 */
p->xmit_cmds[i] = ptr;
ptr = ptr + sizeof(struct transmit_cmd_struct);
p->xmit_cbuffs[i] = ptr; /* char-buffs */
ptr = ptr + XMIT_BUFF_SIZE;
p->xmit_buffs[i] = ptr; /* TBD */
ptr = ptr + sizeof(struct tbd_struct);
if ((void __iomem *)ptr > (void __iomem *)p->iscp) {
printk(KERN_ERR "%s: not enough shared-mem for your configuration!\n",
dev->name);
return 1;
}
memset_io(p->xmit_cmds[i], 0,
sizeof(struct transmit_cmd_struct));
memset_io(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;
p->xmit_last = 0;
#ifndef NO_NOPCOMMANDS
p->nop_point = 0;
#endif
/*
* 'start transmitter'
*/
#ifndef NO_NOPCOMMANDS
writew(make16(p->nop_cmds[0]), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc);
ni_attn586();
wait_for_scb_cmd(dev);
#else
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
*/
writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc);
ni_attn586();
udelay(16);
ni_enaint();
return 0;
}
