164 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_dump_packet()  local
174 		spin_lock_irqsave(&lp->lock, flags);  in arcnet_dump_packet()
176 	lp->hw.copy_from_card(dev, bufnum, 0, buf, 512);  in arcnet_dump_packet()
178 		spin_unlock_irqrestore(&lp->lock, flags);  in arcnet_dump_packet()
198 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_led_event()  local
204 		led_trigger_blink_oneshot(lp->recon_led_trig,  in arcnet_led_event()
208 		led_trigger_event(lp->tx_led_trig, LED_OFF);  in arcnet_led_event()
209 		led_trigger_event(lp->recon_led_trig, LED_OFF);  in arcnet_led_event()
212 		led_trigger_event(lp->tx_led_trig, LED_OFF);  in arcnet_led_event()
213 		led_trigger_event(lp->recon_led_trig, LED_OFF);  in arcnet_led_event()
216 		led_trigger_blink_oneshot(lp->tx_led_trig,  in arcnet_led_event()
225 	struct arcnet_local *lp = netdev_priv(to_net_dev(gendev));  in arcnet_led_release()  local
227 	led_trigger_unregister_simple(lp->tx_led_trig);  in arcnet_led_release()
228 	led_trigger_unregister_simple(lp->recon_led_trig);  in arcnet_led_release()
237 	struct arcnet_local *lp = netdev_priv(netdev);  in devm_arcnet_led_init()  local
246 	snprintf(lp->tx_led_trig_name, sizeof(lp->tx_led_trig_name),  in devm_arcnet_led_init()
248 	snprintf(lp->recon_led_trig_name, sizeof(lp->recon_led_trig_name),  in devm_arcnet_led_init()
251 	led_trigger_register_simple(lp->tx_led_trig_name,  in devm_arcnet_led_init()
252 				    &lp->tx_led_trig);  in devm_arcnet_led_init()
253 	led_trigger_register_simple(lp->recon_led_trig_name,  in devm_arcnet_led_init()
254 				    &lp->recon_led_trig);  in devm_arcnet_led_init()
290 	struct arcnet_local *lp = netdev_priv(dev);  in release_arcbuf()  local
293 	lp->buf_queue[lp->first_free_buf++] = bufnum;  in release_arcbuf()
294 	lp->first_free_buf %= 5;  in release_arcbuf()
299 		for (i = lp->next_buf; i != lp->first_free_buf; i = (i + 1) % 5)  in release_arcbuf()
300 			arc_cont(D_DURING, "#%d ", lp->buf_queue[i]);  in release_arcbuf()
310 	struct arcnet_local *lp = netdev_priv(dev);  in get_arcbuf()  local
313 	if (!atomic_dec_and_test(&lp->buf_lock)) {  in get_arcbuf()
316 			   lp->buf_lock.counter);  in get_arcbuf()
318 		if (lp->next_buf >= 5)  in get_arcbuf()
319 			lp->next_buf -= 5;  in get_arcbuf()
321 		if (lp->next_buf == lp->first_free_buf) {  in get_arcbuf()
324 			buf = lp->buf_queue[lp->next_buf++];  in get_arcbuf()
325 			lp->next_buf %= 5;  in get_arcbuf()
332 		for (i = lp->next_buf; i != lp->first_free_buf; i = (i + 1) % 5)  in get_arcbuf()
333 			arc_cont(D_DURING, "#%d ", lp->buf_queue[i]);  in get_arcbuf()
337 	atomic_inc(&lp->buf_lock);  in get_arcbuf()
387 	struct arcnet_local *lp = from_timer(lp, t, timer);  in arcnet_timer()  local
388 	struct net_device *dev = lp->dev;  in arcnet_timer()
398 	struct arcnet_local *lp = (struct arcnet_local *)data;  in arcnet_reply_tasklet()  local
406 	skb = lp->outgoing.skb;  in arcnet_reply_tasklet()
427 	serr->ee.ee_info = lp->reply_status;  in arcnet_reply_tasklet()
430 	dev_kfree_skb(lp->outgoing.skb);  in arcnet_reply_tasklet()
431 	lp->outgoing.skb = NULL;  in arcnet_reply_tasklet()
433 	ackskb->dev = lp->dev;  in arcnet_reply_tasklet()
450 		struct arcnet_local *lp = netdev_priv(dev);  in alloc_arcdev()  local
452 		lp->dev = dev;  in alloc_arcdev()
453 		spin_lock_init(&lp->lock);  in alloc_arcdev()
454 		timer_setup(&lp->timer, arcnet_timer, 0);  in alloc_arcdev()
470 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_open()  local
475 	if (!try_module_get(lp->hw.owner))  in arcnet_open()
486 	tasklet_init(&lp->reply_tasklet, arcnet_reply_tasklet,  in arcnet_open()
487 		     (unsigned long)lp);  in arcnet_open()
495 	if (lp->hw.reset(dev, 0) && lp->hw.reset(dev, 1))  in arcnet_open()
505 	memset(lp->default_proto, 0, sizeof(lp->default_proto));  in arcnet_open()
510 			lp->default_proto[0] = count;  in arcnet_open()
516 	atomic_set(&lp->buf_lock, 1);  in arcnet_open()
518 	lp->next_buf = lp->first_free_buf = 0;  in arcnet_open()
523 	lp->cur_tx = lp->next_tx = -1;  in arcnet_open()
524 	lp->cur_rx = -1;  in arcnet_open()
526 	lp->rfc1201.sequence = 1;  in arcnet_open()
529 	if (lp->hw.open)  in arcnet_open()
530 		lp->hw.open(dev);  in arcnet_open()
538 	if (lp->hw.status(dev) & RESETflag) {  in arcnet_open()
541 		lp->hw.command(dev, CFLAGScmd | RESETclear);  in arcnet_open()
546 	lp->hw.intmask(dev, 0);  in arcnet_open()
552 	lp->intmask = NORXflag | RECONflag;  in arcnet_open()
553 	lp->hw.intmask(dev, lp->intmask);  in arcnet_open()
558 	mod_timer(&lp->timer, jiffies + msecs_to_jiffies(1000));  in arcnet_open()
564 	module_put(lp->hw.owner);  in arcnet_open()
572 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_close()  local
575 	del_timer_sync(&lp->timer);  in arcnet_close()
580 	tasklet_kill(&lp->reply_tasklet);  in arcnet_close()
583 	lp->hw.intmask(dev, 0);  in arcnet_close()
584 	lp->hw.command(dev, NOTXcmd);	/* stop transmit */  in arcnet_close()
585 	lp->hw.command(dev, NORXcmd);	/* disable receive */  in arcnet_close()
589 	lp->hw.close(dev);  in arcnet_close()
590 	module_put(lp->hw.owner);  in arcnet_close()
599 	const struct arcnet_local *lp = netdev_priv(dev);  in arcnet_header()  local
634 		proto_num = lp->default_proto[_daddr];  in arcnet_header()
651 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_send_packet()  local
661 		   lp->hw.status(dev), lp->cur_tx, lp->next_tx, skb->len, skb->protocol);  in arcnet_send_packet()
682 	spin_lock_irqsave(&lp->lock, flags);  in arcnet_send_packet()
683 	lp->hw.intmask(dev, 0);  in arcnet_send_packet()
684 	if (lp->next_tx == -1)  in arcnet_send_packet()
690 		lp->outgoing.skb = skb;  in arcnet_send_packet()
699 			lp->outgoing.proto = proto;  in arcnet_send_packet()
700 			lp->outgoing.skb = skb;  in arcnet_send_packet()
701 			lp->outgoing.pkt = pkt;  in arcnet_send_packet()
711 		lp->next_tx = txbuf;  in arcnet_send_packet()
717 		   __FILE__, __LINE__, __func__, lp->hw.status(dev));  in arcnet_send_packet()
719 	lp->hw.intmask(dev, 0);  in arcnet_send_packet()
722 	lp->intmask |= TXFREEflag | EXCNAKflag;  in arcnet_send_packet()
723 	lp->hw.intmask(dev, lp->intmask);  in arcnet_send_packet()
725 		   __FILE__, __LINE__, __func__, lp->hw.status(dev));  in arcnet_send_packet()
729 	spin_unlock_irqrestore(&lp->lock, flags);  in arcnet_send_packet()
739 	struct arcnet_local *lp = netdev_priv(dev);  in go_tx()  local
742 		   lp->hw.status(dev), lp->intmask, lp->next_tx, lp->cur_tx);  in go_tx()
744 	if (lp->cur_tx != -1 || lp->next_tx == -1)  in go_tx()
748 		arcnet_dump_packet(dev, lp->next_tx, "go_tx", 0);  in go_tx()
750 	lp->cur_tx = lp->next_tx;  in go_tx()
751 	lp->next_tx = -1;  in go_tx()
754 	lp->hw.command(dev, TXcmd | (lp->cur_tx << 3));  in go_tx()
757 	lp->lasttrans_dest = lp->lastload_dest;  in go_tx()
758 	lp->lastload_dest = 0;  in go_tx()
759 	lp->excnak_pending = 0;  in go_tx()
760 	lp->intmask |= TXFREEflag | EXCNAKflag;  in go_tx()
769 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_timeout()  local
770 	int status = lp->hw.status(dev);  in arcnet_timeout()
773 	spin_lock_irqsave(&lp->lock, flags);  in arcnet_timeout()
779 		lp->timed_out = 1;  in arcnet_timeout()
780 		lp->hw.command(dev, NOTXcmd | (lp->cur_tx << 3));  in arcnet_timeout()
785 	lp->hw.intmask(dev, 0);  in arcnet_timeout()
786 	lp->intmask |= TXFREEflag | EXCNAKflag;  in arcnet_timeout()
787 	lp->hw.intmask(dev, lp->intmask);  in arcnet_timeout()
789 	spin_unlock_irqrestore(&lp->lock, flags);  in arcnet_timeout()
791 	if (time_after(jiffies, lp->last_timeout + 10 * HZ)) {  in arcnet_timeout()
793 			   msg, status, lp->intmask, lp->lasttrans_dest);  in arcnet_timeout()
794 		lp->last_timeout = jiffies;  in arcnet_timeout()
797 	if (lp->cur_tx == -1)  in arcnet_timeout()
809 	struct arcnet_local *lp;  in arcnet_interrupt()  local
818 	lp = netdev_priv(dev);  in arcnet_interrupt()
819 	BUG_ON(!lp);  in arcnet_interrupt()
821 	spin_lock_irqsave(&lp->lock, flags);  in arcnet_interrupt()
827 		if (lp->hw.status(dev) & RESETflag)  in arcnet_interrupt()
828 			lp->hw.command(dev, CFLAGScmd | RESETclear);  in arcnet_interrupt()
829 		lp->hw.intmask(dev, 0);  in arcnet_interrupt()
830 		spin_unlock_irqrestore(&lp->lock, flags);  in arcnet_interrupt()
835 		   lp->hw.status(dev), lp->intmask);  in arcnet_interrupt()
839 		status = lp->hw.status(dev);  in arcnet_interrupt()
870 		if (status & lp->intmask & NORXflag) {  in arcnet_interrupt()
871 			recbuf = lp->cur_rx;  in arcnet_interrupt()
875 			lp->cur_rx = get_arcbuf(dev);  in arcnet_interrupt()
876 			if (lp->cur_rx != -1) {  in arcnet_interrupt()
878 					   lp->cur_rx);  in arcnet_interrupt()
879 				lp->hw.command(dev, RXcmd | (lp->cur_rx << 3) | RXbcasts);  in arcnet_interrupt()
888 			lp->hw.command(dev, NOTXcmd);      /* disable transmit */  in arcnet_interrupt()
889 			lp->excnak_pending = 1;  in arcnet_interrupt()
891 			lp->hw.command(dev, EXCNAKclear);  in arcnet_interrupt()
892 			lp->intmask &= ~(EXCNAKflag);  in arcnet_interrupt()
897 		if ((status & lp->intmask & TXFREEflag) || lp->timed_out) {  in arcnet_interrupt()
899 			lp->intmask &= ~(TXFREEflag | EXCNAKflag);  in arcnet_interrupt()
903 			else if (lp->excnak_pending)  in arcnet_interrupt()
911 			if (lp->cur_tx != -1 && !lp->timed_out) {  in arcnet_interrupt()
913 					if (lp->lasttrans_dest != 0) {  in arcnet_interrupt()
917 							   lp->lasttrans_dest);  in arcnet_interrupt()
924 							   lp->lasttrans_dest);  in arcnet_interrupt()
928 				if (lp->outgoing.proto &&  in arcnet_interrupt()
929 				    lp->outgoing.proto->ack_tx) {  in arcnet_interrupt()
930 					lp->outgoing.proto  in arcnet_interrupt()
933 				lp->reply_status = ackstatus;  in arcnet_interrupt()
934 				tasklet_hi_schedule(&lp->reply_tasklet);  in arcnet_interrupt()
936 			if (lp->cur_tx != -1)  in arcnet_interrupt()
937 				release_arcbuf(dev, lp->cur_tx);  in arcnet_interrupt()
939 			lp->cur_tx = -1;  in arcnet_interrupt()
940 			lp->timed_out = 0;  in arcnet_interrupt()
947 			if (lp->outgoing.proto &&  in arcnet_interrupt()
948 			    lp->outgoing.proto->continue_tx) {  in arcnet_interrupt()
952 					if (lp->outgoing.proto->continue_tx(dev, txbuf)) {  in arcnet_interrupt()
954 						dev->stats.tx_bytes += lp->outgoing.skb->len;  in arcnet_interrupt()
955 						if (!lp->outgoing.proto->ack_tx) {  in arcnet_interrupt()
956 							dev_kfree_skb_irq(lp->outgoing.skb);  in arcnet_interrupt()
957 							lp->outgoing.proto = NULL;  in arcnet_interrupt()
960 					lp->next_tx = txbuf;  in arcnet_interrupt()
964 			if (lp->cur_tx == -1)  in arcnet_interrupt()
977 		if (status & lp->intmask & RECONflag) {  in arcnet_interrupt()
978 			lp->hw.command(dev, CFLAGScmd | CONFIGclear);  in arcnet_interrupt()
987 			mod_timer(&lp->timer, jiffies + msecs_to_jiffies(1000));  in arcnet_interrupt()
995 			if (!lp->first_recon || !lp->last_recon ||  in arcnet_interrupt()
996 			    time_after(jiffies, lp->last_recon + HZ * 10)) {  in arcnet_interrupt()
997 				if (lp->network_down)  in arcnet_interrupt()
999 				lp->first_recon = lp->last_recon = jiffies;  in arcnet_interrupt()
1000 				lp->num_recons = lp->network_down = 0;  in arcnet_interrupt()
1004 				lp->last_recon = jiffies;  in arcnet_interrupt()
1005 				lp->num_recons++;  in arcnet_interrupt()
1008 					   lp->num_recons,  in arcnet_interrupt()
1009 					   (lp->last_recon - lp->first_recon) / HZ,  in arcnet_interrupt()
1010 					   lp->network_down);  in arcnet_interrupt()
1018 				if (!lp->network_down &&  in arcnet_interrupt()
1019 				    (lp->last_recon - lp->first_recon) <= HZ * 60 &&  in arcnet_interrupt()
1020 				    lp->num_recons >= RECON_THRESHOLD) {  in arcnet_interrupt()
1021 					lp->network_down = 1;  in arcnet_interrupt()
1023 				} else if (!lp->network_down &&  in arcnet_interrupt()
1024 					   lp->last_recon - lp->first_recon > HZ * 60) {  in arcnet_interrupt()
1028 					lp->first_recon = lp->last_recon;  in arcnet_interrupt()
1029 					lp->num_recons = 1;  in arcnet_interrupt()
1032 		} else if (lp->network_down &&  in arcnet_interrupt()
1033 			   time_after(jiffies, lp->last_recon + HZ * 10)) {  in arcnet_interrupt()
1034 			if (lp->network_down)  in arcnet_interrupt()
1036 			lp->first_recon = lp->last_recon = 0;  in arcnet_interrupt()
1037 			lp->num_recons = lp->network_down = 0;  in arcnet_interrupt()
1048 		   lp->hw.status(dev), boguscount);  in arcnet_interrupt()
1051 	lp->hw.intmask(dev, 0);  in arcnet_interrupt()
1053 	lp->hw.intmask(dev, lp->intmask);  in arcnet_interrupt()
1055 	spin_unlock_irqrestore(&lp->lock, flags);  in arcnet_interrupt()
1065 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_rx()  local
1075 	lp->hw.copy_from_card(dev, bufnum, 0, &rxdata.pkt, ARC_HDR_SIZE);  in arcnet_rx()
1086 		lp->hw.copy_from_card(dev, bufnum, ofs, soft, sizeof(rxdata.pkt.soft));  in arcnet_rx()
1089 		lp->hw.copy_from_card(dev, bufnum, ofs, soft, length);  in arcnet_rx()
1102 			*oldp = arc_proto_map[lp->default_proto[rxdata.pkt.hard.source]],  in arcnet_rx()
1114 		lp->default_proto[0] = soft->proto;  in arcnet_rx()
1117 		lp->default_proto[rxdata.pkt.hard.source] = soft->proto;  in arcnet_rx()
1134 	struct arcnet_local *lp = netdev_priv(dev);  in null_build_header()  local
1138 		   lp->default_proto[daddr]);  in null_build_header()
1148 	struct arcnet_local *lp = netdev_priv(dev);  in null_prepare_tx()  local
1159 	lp->hw.copy_to_card(dev, bufnum, 0, &newpkt, ARC_HDR_SIZE);  in null_prepare_tx()