412 static inline int wait_istat(struct net_device *dev, struct i596_private *lp, int delcnt, char *str)  in wait_istat()  argument
414 	while (--delcnt && lp->iscp.stat)  in wait_istat()
418 		     dev->name, str, lp->scb.status, lp->scb.command);  in wait_istat()
426 static inline int wait_cmd(struct net_device *dev, struct i596_private *lp, int delcnt, char *str)  in wait_cmd()  argument
428 	while (--delcnt && lp->scb.command)  in wait_cmd()
432 		     dev->name, str, lp->scb.status, lp->scb.command);  in wait_cmd()
457 	struct i596_private *lp = dev->ml_priv;  in i596_display_data()  local
463 	       &lp->scp, lp->scp.sysbus, lp->scp.iscp);  in i596_display_data()
465 	       &lp->iscp, lp->iscp.stat, lp->iscp.scb);  in i596_display_data()
468 	       &lp->scb, lp->scb.status, lp->scb.command,  in i596_display_data()
469 		lp->scb.cmd, lp->scb.rfd);  in i596_display_data()
472 		lp->scb.crc_err, lp->scb.align_err, lp->scb.resource_err,  in i596_display_data()
473 		lp->scb.over_err, lp->scb.rcvdt_err, lp->scb.short_err);  in i596_display_data()
474 	cmd = lp->cmd_head;  in i596_display_data()
480 	rfd = lp->rfd_head;  in i596_display_data()
488 	} while (rfd != lp->rfd_head);  in i596_display_data()
489 	rbd = lp->rbd_head;  in i596_display_data()
495 	} while (rbd != lp->rbd_head);  in i596_display_data()
527 	struct i596_private *lp = dev->ml_priv;  in remove_rx_bufs()  local
531 	for (i = 0, rbd = lp->rbds; i < rx_ring_size; i++, rbd++) {  in remove_rx_bufs()
541 	struct i596_private *lp = dev->ml_priv;  in init_rx_bufs()  local
548 	for (i = 0, rbd = lp->rbds; i < rx_ring_size; i++, rbd++) {  in init_rx_bufs()
567 	lp->rbd_head = lp->rbds;  in init_rx_bufs()
568 	rbd = lp->rbds + rx_ring_size - 1;  in init_rx_bufs()
569 	rbd->v_next = lp->rbds;  in init_rx_bufs()
570 	rbd->b_next = WSWAPrbd(virt_to_bus(lp->rbds));  in init_rx_bufs()
574 	for (i = 0, rfd = lp->rfds; i < rx_ring_size; i++, rfd++) {  in init_rx_bufs()
581 	lp->rfd_head = lp->rfds;  in init_rx_bufs()
582 	lp->scb.rfd = WSWAPrfd(virt_to_bus(lp->rfds));  in init_rx_bufs()
583 	rfd = lp->rfds;  in init_rx_bufs()
584 	rfd->rbd = lp->rbd_head;  in init_rx_bufs()
585 	rfd->v_prev = lp->rfds + rx_ring_size - 1;  in init_rx_bufs()
586 	rfd = lp->rfds + rx_ring_size - 1;  in init_rx_bufs()
587 	rfd->v_next = lp->rfds;  in init_rx_bufs()
588 	rfd->b_next = WSWAPrfd(virt_to_bus(lp->rfds));  in init_rx_bufs()
597 	struct i596_private *lp = dev->ml_priv;  in rebuild_rx_bufs()  local
603 		lp->rfds[i].rbd = I596_NULL;  in rebuild_rx_bufs()
604 		lp->rfds[i].cmd = CMD_FLEX;  in rebuild_rx_bufs()
606 	lp->rfds[rx_ring_size-1].cmd = CMD_EOL|CMD_FLEX;  in rebuild_rx_bufs()
607 	lp->rfd_head = lp->rfds;  in rebuild_rx_bufs()
608 	lp->scb.rfd = WSWAPrfd(virt_to_bus(lp->rfds));  in rebuild_rx_bufs()
609 	lp->rbd_head = lp->rbds;  in rebuild_rx_bufs()
610 	lp->rfds[0].rbd = WSWAPrbd(virt_to_bus(lp->rbds));  in rebuild_rx_bufs()
616 	struct i596_private *lp = dev->ml_priv;  in init_i596_mem()  local
648 	MPU_PORT(dev, PORT_ALTSCP, (void *)virt_to_bus((void *)&lp->scp));  in init_i596_mem()
652 	lp->last_cmd = jiffies;  in init_i596_mem()
656 		lp->scp.sysbus = 0x00000054;  in init_i596_mem()
660 		lp->scp.sysbus = 0x0000004c;  in init_i596_mem()
663 	lp->scp.iscp = WSWAPiscp(virt_to_bus((void *)&lp->iscp));  in init_i596_mem()
664 	lp->iscp.scb = WSWAPscb(virt_to_bus((void *)&lp->scb));  in init_i596_mem()
665 	lp->iscp.stat = ISCP_BUSY;  in init_i596_mem()
666 	lp->cmd_backlog = 0;  in init_i596_mem()
668 	lp->cmd_head = lp->scb.cmd = I596_NULL;  in init_i596_mem()
672 		lp->scb.t_on  = 7 * 25;  in init_i596_mem()
673 		lp->scb.t_off = 1 * 25;  in init_i596_mem()
681 	if (wait_istat(dev,lp,1000,"initialization timed out"))  in init_i596_mem()
687 	lp->scb.command = 0;  in init_i596_mem()
708 	memcpy(lp->cf_cmd.i596_config, init_setup, 14);  in init_i596_mem()
709 	lp->cf_cmd.cmd.command = CmdConfigure;  in init_i596_mem()
710 	i596_add_cmd(dev, &lp->cf_cmd.cmd);  in init_i596_mem()
713 	memcpy(lp->sa_cmd.eth_addr, dev->dev_addr, ETH_ALEN);  in init_i596_mem()
714 	lp->sa_cmd.cmd.command = CmdSASetup;  in init_i596_mem()
715 	i596_add_cmd(dev, &lp->sa_cmd.cmd);  in init_i596_mem()
718 	lp->tdr_cmd.cmd.command = CmdTDR;  in init_i596_mem()
719 	i596_add_cmd(dev, &lp->tdr_cmd.cmd);  in init_i596_mem()
721 	spin_lock_irqsave (&lp->lock, flags);  in init_i596_mem()
723 	if (wait_cmd(dev,lp,1000,"timed out waiting to issue RX_START")) {  in init_i596_mem()
724 		spin_unlock_irqrestore (&lp->lock, flags);  in init_i596_mem()
728 	lp->scb.command = RX_START;  in init_i596_mem()
731 	spin_unlock_irqrestore (&lp->lock, flags);  in init_i596_mem()
733 	if (wait_cmd(dev,lp,1000,"RX_START not processed"))  in init_i596_mem()
746 	struct i596_private *lp = dev->ml_priv;  in i596_rx()  local
752 			lp->rfd_head, lp->rbd_head));  in i596_rx()
754 	rfd = lp->rfd_head;		/* Ref next frame to check */  in i596_rx()
759 		else if (rfd->rbd == lp->rbd_head->b_addr)  in i596_rx()
760 			rbd = lp->rbd_head;  in i596_rx()
849 			lp->rbd_head = rbd->v_next;  in i596_rx()
865 		lp->scb.rfd = rfd->b_next;  in i596_rx()
866 		lp->rfd_head = rfd->v_next;  in i596_rx()
867 		rfd = lp->rfd_head;  in i596_rx()
876 static void i596_cleanup_cmd(struct net_device *dev, struct i596_private *lp)  in i596_cleanup_cmd()  argument
880 	while (lp->cmd_head != I596_NULL) {  in i596_cleanup_cmd()
881 		ptr = lp->cmd_head;  in i596_cleanup_cmd()
882 		lp->cmd_head = ptr->v_next;  in i596_cleanup_cmd()
883 		lp->cmd_backlog--;  in i596_cleanup_cmd()
905 	wait_cmd(dev,lp,100,"i596_cleanup_cmd timed out");  in i596_cleanup_cmd()
906 	lp->scb.cmd = I596_NULL;  in i596_cleanup_cmd()
909 static void i596_reset(struct net_device *dev, struct i596_private *lp,  in i596_reset()  argument
916 	spin_lock_irqsave (&lp->lock, flags);  in i596_reset()
918 	wait_cmd(dev,lp,100,"i596_reset timed out");  in i596_reset()
922 	lp->scb.command = CUC_ABORT | RX_ABORT;  in i596_reset()
926 	wait_cmd(dev,lp,1000,"i596_reset 2 timed out");  in i596_reset()
927 	spin_unlock_irqrestore (&lp->lock, flags);  in i596_reset()
929 	i596_cleanup_cmd(dev,lp);  in i596_reset()
938 	struct i596_private *lp = dev->ml_priv;  in i596_add_cmd()  local
948 	spin_lock_irqsave (&lp->lock, flags);  in i596_add_cmd()
950 	if (lp->cmd_head != I596_NULL) {  in i596_add_cmd()
951 		lp->cmd_tail->v_next = cmd;  in i596_add_cmd()
952 		lp->cmd_tail->b_next = WSWAPcmd(virt_to_bus(&cmd->status));  in i596_add_cmd()
954 		lp->cmd_head = cmd;  in i596_add_cmd()
955 		wait_cmd(dev,lp,100,"i596_add_cmd timed out");  in i596_add_cmd()
956 		lp->scb.cmd = WSWAPcmd(virt_to_bus(&cmd->status));  in i596_add_cmd()
957 		lp->scb.command = CUC_START;  in i596_add_cmd()
960 	lp->cmd_tail = cmd;  in i596_add_cmd()
961 	lp->cmd_backlog++;  in i596_add_cmd()
963 	spin_unlock_irqrestore (&lp->lock, flags);  in i596_add_cmd()
965 	if (lp->cmd_backlog > max_cmd_backlog) {  in i596_add_cmd()
966 		unsigned long tickssofar = jiffies - lp->last_cmd;  in i596_add_cmd()
973 		i596_reset(dev, lp, ioaddr);  in i596_add_cmd()
1023 	struct i596_private *lp = dev->ml_priv;  in i596_tx_timeout()  local
1033 	if (lp->last_restart == dev->stats.tx_packets) {  in i596_tx_timeout()
1036 		i596_reset (dev, lp, ioaddr);  in i596_tx_timeout()
1040 		lp->scb.command = CUC_START | RX_START;  in i596_tx_timeout()
1042 		lp->last_restart = dev->stats.tx_packets;  in i596_tx_timeout()
1051 	struct i596_private *lp = dev->ml_priv;  in i596_start_xmit()  local
1066 	tx_cmd = lp->tx_cmds + lp->next_tx_cmd;  in i596_start_xmit()
1067 	tbd = lp->tbds + lp->next_tx_cmd;  in i596_start_xmit()
1076 		if (++lp->next_tx_cmd == TX_RING_SIZE)  in i596_start_xmit()
1077 			lp->next_tx_cmd = 0;  in i596_start_xmit()
1126 	struct i596_private *lp;  in i82596_probe()  local
1193 	lp = dev->ml_priv;  in i82596_probe()
1196 			dev->name, (unsigned long)lp,  in i82596_probe()
1197 			sizeof(struct i596_private), (unsigned long)&lp->scb));  in i82596_probe()
1198 	memset((void *) lp, 0, sizeof(struct i596_private));  in i82596_probe()
1205 	lp->scb.command = 0;  in i82596_probe()
1206 	lp->scb.cmd = I596_NULL;  in i82596_probe()
1207 	lp->scb.rfd = I596_NULL;  in i82596_probe()
1208 	spin_lock_init(&lp->lock);  in i82596_probe()
1232 	struct i596_private *lp;  in i596_interrupt()  local
1251 	lp = dev->ml_priv;  in i596_interrupt()
1253 	spin_lock (&lp->lock);  in i596_interrupt()
1255 	wait_cmd(dev,lp,100,"i596 interrupt, timeout");  in i596_interrupt()
1256 	status = lp->scb.status;  in i596_interrupt()
1272 		while ((lp->cmd_head != I596_NULL) && (lp->cmd_head->status & STAT_C)) {  in i596_interrupt()
1273 			ptr = lp->cmd_head;  in i596_interrupt()
1276 				       lp->cmd_head->status, lp->cmd_head->command));  in i596_interrupt()
1277 			lp->cmd_head = ptr->v_next;  in i596_interrupt()
1278 			lp->cmd_backlog--;  in i596_interrupt()
1332 			lp->last_cmd = jiffies;  in i596_interrupt()
1335 		ptr = lp->cmd_head;  in i596_interrupt()
1336 		while ((ptr != I596_NULL) && (ptr != lp->cmd_tail)) {  in i596_interrupt()
1341 		if ((lp->cmd_head != I596_NULL))  in i596_interrupt()
1343 		lp->scb.cmd = WSWAPcmd(virt_to_bus(&lp->cmd_head->status));  in i596_interrupt()
1360 	wait_cmd(dev,lp,100,"i596 interrupt, timeout");  in i596_interrupt()
1361 	lp->scb.command = ack_cmd;  in i596_interrupt()
1384 	spin_unlock (&lp->lock);  in i596_interrupt()
1390 	struct i596_private *lp = dev->ml_priv;  in i596_close()  local
1396 		       dev->name, lp->scb.status));  in i596_close()
1398 	spin_lock_irqsave(&lp->lock, flags);  in i596_close()
1400 	wait_cmd(dev,lp,100,"close1 timed out");  in i596_close()
1401 	lp->scb.command = CUC_ABORT | RX_ABORT;  in i596_close()
1404 	wait_cmd(dev,lp,100,"close2 timed out");  in i596_close()
1406 	spin_unlock_irqrestore(&lp->lock, flags);  in i596_close()
1408 	i596_cleanup_cmd(dev,lp);  in i596_close()
1443 	struct i596_private *lp = dev->ml_priv;  in set_multicast_list()  local
1451 	if (wait_cfg(dev, &lp->cf_cmd.cmd, 1000, "config change request timed out"))  in set_multicast_list()
1454 	if ((dev->flags & IFF_PROMISC) && !(lp->cf_cmd.i596_config[8] & 0x01)) {  in set_multicast_list()
1455 		lp->cf_cmd.i596_config[8] |= 0x01;  in set_multicast_list()
1458 	if (!(dev->flags & IFF_PROMISC) && (lp->cf_cmd.i596_config[8] & 0x01)) {  in set_multicast_list()
1459 		lp->cf_cmd.i596_config[8] &= ~0x01;  in set_multicast_list()
1462 	if ((dev->flags & IFF_ALLMULTI) && (lp->cf_cmd.i596_config[11] & 0x20)) {  in set_multicast_list()
1463 		lp->cf_cmd.i596_config[11] &= ~0x20;  in set_multicast_list()
1466 	if (!(dev->flags & IFF_ALLMULTI) && !(lp->cf_cmd.i596_config[11] & 0x20)) {  in set_multicast_list()
1467 		lp->cf_cmd.i596_config[11] |= 0x20;  in set_multicast_list()
1471 		lp->cf_cmd.cmd.command = CmdConfigure;  in set_multicast_list()
1472 		i596_add_cmd(dev, &lp->cf_cmd.cmd);  in set_multicast_list()
1488 		if (wait_cfg(dev, &lp->mc_cmd.cmd, 1000, "multicast list change request timed out"))  in set_multicast_list()
1490 		cmd = &lp->mc_cmd;  in set_multicast_list()