163 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_dump_packet()  local
173 		spin_lock_irqsave(&lp->lock, flags);  in arcnet_dump_packet()
175 	lp->hw.copy_from_card(dev, bufnum, 0, buf, 512);  in arcnet_dump_packet()
177 		spin_unlock_irqrestore(&lp->lock, flags);  in arcnet_dump_packet()
197 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_led_event()  local
203 		led_trigger_blink_oneshot(lp->recon_led_trig,  in arcnet_led_event()
207 		led_trigger_event(lp->tx_led_trig, LED_OFF);  in arcnet_led_event()
208 		led_trigger_event(lp->recon_led_trig, LED_OFF);  in arcnet_led_event()
211 		led_trigger_event(lp->tx_led_trig, LED_OFF);  in arcnet_led_event()
212 		led_trigger_event(lp->recon_led_trig, LED_OFF);  in arcnet_led_event()
215 		led_trigger_blink_oneshot(lp->tx_led_trig,  in arcnet_led_event()
224 	struct arcnet_local *lp = netdev_priv(to_net_dev(gendev));  in arcnet_led_release()  local
226 	led_trigger_unregister_simple(lp->tx_led_trig);  in arcnet_led_release()
227 	led_trigger_unregister_simple(lp->recon_led_trig);  in arcnet_led_release()
236 	struct arcnet_local *lp = netdev_priv(netdev);  in devm_arcnet_led_init()  local
245 	snprintf(lp->tx_led_trig_name, sizeof(lp->tx_led_trig_name),  in devm_arcnet_led_init()
247 	snprintf(lp->recon_led_trig_name, sizeof(lp->recon_led_trig_name),  in devm_arcnet_led_init()
250 	led_trigger_register_simple(lp->tx_led_trig_name,  in devm_arcnet_led_init()
251 				    &lp->tx_led_trig);  in devm_arcnet_led_init()
252 	led_trigger_register_simple(lp->recon_led_trig_name,  in devm_arcnet_led_init()
253 				    &lp->recon_led_trig);  in devm_arcnet_led_init()
289 	struct arcnet_local *lp = netdev_priv(dev);  in release_arcbuf()  local
292 	lp->buf_queue[lp->first_free_buf++] = bufnum;  in release_arcbuf()
293 	lp->first_free_buf %= 5;  in release_arcbuf()
298 		for (i = lp->next_buf; i != lp->first_free_buf; i = (i + 1) % 5)  in release_arcbuf()
299 			arc_cont(D_DURING, "#%d ", lp->buf_queue[i]);  in release_arcbuf()
309 	struct arcnet_local *lp = netdev_priv(dev);  in get_arcbuf()  local
312 	if (!atomic_dec_and_test(&lp->buf_lock)) {  in get_arcbuf()
315 			   lp->buf_lock.counter);  in get_arcbuf()
317 		if (lp->next_buf >= 5)  in get_arcbuf()
318 			lp->next_buf -= 5;  in get_arcbuf()
320 		if (lp->next_buf == lp->first_free_buf) {  in get_arcbuf()
323 			buf = lp->buf_queue[lp->next_buf++];  in get_arcbuf()
324 			lp->next_buf %= 5;  in get_arcbuf()
331 		for (i = lp->next_buf; i != lp->first_free_buf; i = (i + 1) % 5)  in get_arcbuf()
332 			arc_cont(D_DURING, "#%d ", lp->buf_queue[i]);  in get_arcbuf()
336 	atomic_inc(&lp->buf_lock);  in get_arcbuf()
402 		struct arcnet_local *lp = netdev_priv(dev);  in alloc_arcdev()  local
404 		spin_lock_init(&lp->lock);  in alloc_arcdev()
405 		init_timer(&lp->timer);  in alloc_arcdev()
406 		lp->timer.data = (unsigned long) dev;  in alloc_arcdev()
407 		lp->timer.function = arcnet_timer;  in alloc_arcdev()
423 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_open()  local
428 	if (!try_module_get(lp->hw.owner))  in arcnet_open()
445 	if (lp->hw.reset(dev, 0) && lp->hw.reset(dev, 1))  in arcnet_open()
455 	memset(lp->default_proto, 0, sizeof(lp->default_proto));  in arcnet_open()
460 			lp->default_proto[0] = count;  in arcnet_open()
466 	atomic_set(&lp->buf_lock, 1);  in arcnet_open()
468 	lp->next_buf = lp->first_free_buf = 0;  in arcnet_open()
473 	lp->cur_tx = lp->next_tx = -1;  in arcnet_open()
474 	lp->cur_rx = -1;  in arcnet_open()
476 	lp->rfc1201.sequence = 1;  in arcnet_open()
479 	if (lp->hw.open)  in arcnet_open()
480 		lp->hw.open(dev);  in arcnet_open()
488 	if (lp->hw.status(dev) & RESETflag) {  in arcnet_open()
491 		lp->hw.command(dev, CFLAGScmd | RESETclear);  in arcnet_open()
496 	lp->hw.intmask(dev, 0);  in arcnet_open()
502 	lp->intmask = NORXflag | RECONflag;  in arcnet_open()
503 	lp->hw.intmask(dev, lp->intmask);  in arcnet_open()
508 	mod_timer(&lp->timer, jiffies + msecs_to_jiffies(1000));  in arcnet_open()
514 	module_put(lp->hw.owner);  in arcnet_open()
522 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_close()  local
525 	del_timer_sync(&lp->timer);  in arcnet_close()
531 	lp->hw.intmask(dev, 0);  in arcnet_close()
532 	lp->hw.command(dev, NOTXcmd);	/* stop transmit */  in arcnet_close()
533 	lp->hw.command(dev, NORXcmd);	/* disable receive */  in arcnet_close()
537 	lp->hw.close(dev);  in arcnet_close()
538 	module_put(lp->hw.owner);  in arcnet_close()
547 	const struct arcnet_local *lp = netdev_priv(dev);  in arcnet_header()  local
582 		proto_num = lp->default_proto[_daddr];  in arcnet_header()
599 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_send_packet()  local
609 		   lp->hw.status(dev), lp->cur_tx, lp->next_tx, skb->len, skb->protocol);  in arcnet_send_packet()
630 	spin_lock_irqsave(&lp->lock, flags);  in arcnet_send_packet()
631 	lp->hw.intmask(dev, 0);  in arcnet_send_packet()
632 	if (lp->next_tx == -1)  in arcnet_send_packet()
647 			lp->outgoing.proto = proto;  in arcnet_send_packet()
648 			lp->outgoing.skb = skb;  in arcnet_send_packet()
649 			lp->outgoing.pkt = pkt;  in arcnet_send_packet()
659 		lp->next_tx = txbuf;  in arcnet_send_packet()
665 		   __FILE__, __LINE__, __func__, lp->hw.status(dev));  in arcnet_send_packet()
667 	lp->hw.intmask(dev, 0);  in arcnet_send_packet()
670 	lp->intmask |= TXFREEflag | EXCNAKflag;  in arcnet_send_packet()
671 	lp->hw.intmask(dev, lp->intmask);  in arcnet_send_packet()
673 		   __FILE__, __LINE__, __func__, lp->hw.status(dev));  in arcnet_send_packet()
677 	spin_unlock_irqrestore(&lp->lock, flags);  in arcnet_send_packet()
687 	struct arcnet_local *lp = netdev_priv(dev);  in go_tx()  local
690 		   lp->hw.status(dev), lp->intmask, lp->next_tx, lp->cur_tx);  in go_tx()
692 	if (lp->cur_tx != -1 || lp->next_tx == -1)  in go_tx()
696 		arcnet_dump_packet(dev, lp->next_tx, "go_tx", 0);  in go_tx()
698 	lp->cur_tx = lp->next_tx;  in go_tx()
699 	lp->next_tx = -1;  in go_tx()
702 	lp->hw.command(dev, TXcmd | (lp->cur_tx << 3));  in go_tx()
705 	lp->lasttrans_dest = lp->lastload_dest;  in go_tx()
706 	lp->lastload_dest = 0;  in go_tx()
707 	lp->excnak_pending = 0;  in go_tx()
708 	lp->intmask |= TXFREEflag | EXCNAKflag;  in go_tx()
717 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_timeout()  local
718 	int status = lp->hw.status(dev);  in arcnet_timeout()
721 	spin_lock_irqsave(&lp->lock, flags);  in arcnet_timeout()
727 		lp->timed_out = 1;  in arcnet_timeout()
728 		lp->hw.command(dev, NOTXcmd | (lp->cur_tx << 3));  in arcnet_timeout()
733 	lp->hw.intmask(dev, 0);  in arcnet_timeout()
734 	lp->intmask |= TXFREEflag | EXCNAKflag;  in arcnet_timeout()
735 	lp->hw.intmask(dev, lp->intmask);  in arcnet_timeout()
737 	spin_unlock_irqrestore(&lp->lock, flags);  in arcnet_timeout()
739 	if (time_after(jiffies, lp->last_timeout + 10 * HZ)) {  in arcnet_timeout()
741 			   msg, status, lp->intmask, lp->lasttrans_dest);  in arcnet_timeout()
742 		lp->last_timeout = jiffies;  in arcnet_timeout()
745 	if (lp->cur_tx == -1)  in arcnet_timeout()
757 	struct arcnet_local *lp;  in arcnet_interrupt()  local
765 	lp = netdev_priv(dev);  in arcnet_interrupt()
766 	BUG_ON(!lp);  in arcnet_interrupt()
768 	spin_lock(&lp->lock);  in arcnet_interrupt()
774 		if (lp->hw.status(dev) & RESETflag)  in arcnet_interrupt()
775 			lp->hw.command(dev, CFLAGScmd | RESETclear);  in arcnet_interrupt()
776 		lp->hw.intmask(dev, 0);  in arcnet_interrupt()
777 		spin_unlock(&lp->lock);  in arcnet_interrupt()
782 		   lp->hw.status(dev), lp->intmask);  in arcnet_interrupt()
786 		status = lp->hw.status(dev);  in arcnet_interrupt()
817 		if (status & lp->intmask & NORXflag) {  in arcnet_interrupt()
818 			recbuf = lp->cur_rx;  in arcnet_interrupt()
822 			lp->cur_rx = get_arcbuf(dev);  in arcnet_interrupt()
823 			if (lp->cur_rx != -1) {  in arcnet_interrupt()
825 					   lp->cur_rx);  in arcnet_interrupt()
826 				lp->hw.command(dev, RXcmd | (lp->cur_rx << 3) | RXbcasts);  in arcnet_interrupt()
835 			lp->hw.command(dev, NOTXcmd);      /* disable transmit */  in arcnet_interrupt()
836 			lp->excnak_pending = 1;  in arcnet_interrupt()
838 			lp->hw.command(dev, EXCNAKclear);  in arcnet_interrupt()
839 			lp->intmask &= ~(EXCNAKflag);  in arcnet_interrupt()
844 		if ((status & lp->intmask & TXFREEflag) || lp->timed_out) {  in arcnet_interrupt()
845 			lp->intmask &= ~(TXFREEflag | EXCNAKflag);  in arcnet_interrupt()
850 			if (lp->cur_tx != -1 && !lp->timed_out) {  in arcnet_interrupt()
852 					if (lp->lasttrans_dest != 0) {  in arcnet_interrupt()
856 							   lp->lasttrans_dest);  in arcnet_interrupt()
863 							   lp->lasttrans_dest);  in arcnet_interrupt()
867 				if (lp->outgoing.proto &&  in arcnet_interrupt()
868 				    lp->outgoing.proto->ack_tx) {  in arcnet_interrupt()
873 					else if (lp->excnak_pending)  in arcnet_interrupt()
878 					lp->outgoing.proto  in arcnet_interrupt()
882 			if (lp->cur_tx != -1)  in arcnet_interrupt()
883 				release_arcbuf(dev, lp->cur_tx);  in arcnet_interrupt()
885 			lp->cur_tx = -1;  in arcnet_interrupt()
886 			lp->timed_out = 0;  in arcnet_interrupt()
893 			if (lp->outgoing.proto &&  in arcnet_interrupt()
894 			    lp->outgoing.proto->continue_tx) {  in arcnet_interrupt()
898 					if (lp->outgoing.proto->continue_tx(dev, txbuf)) {  in arcnet_interrupt()
900 						dev->stats.tx_bytes += lp->outgoing.skb->len;  in arcnet_interrupt()
901 						if (!lp->outgoing.proto->ack_tx) {  in arcnet_interrupt()
902 							dev_kfree_skb_irq(lp->outgoing.skb);  in arcnet_interrupt()
903 							lp->outgoing.proto = NULL;  in arcnet_interrupt()
906 					lp->next_tx = txbuf;  in arcnet_interrupt()
910 			if (lp->cur_tx == -1)  in arcnet_interrupt()
923 		if (status & lp->intmask & RECONflag) {  in arcnet_interrupt()
924 			lp->hw.command(dev, CFLAGScmd | CONFIGclear);  in arcnet_interrupt()
933 			mod_timer(&lp->timer, jiffies + msecs_to_jiffies(1000));  in arcnet_interrupt()
941 			if (!lp->first_recon || !lp->last_recon ||  in arcnet_interrupt()
942 			    time_after(jiffies, lp->last_recon + HZ * 10)) {  in arcnet_interrupt()
943 				if (lp->network_down)  in arcnet_interrupt()
945 				lp->first_recon = lp->last_recon = jiffies;  in arcnet_interrupt()
946 				lp->num_recons = lp->network_down = 0;  in arcnet_interrupt()
950 				lp->last_recon = jiffies;  in arcnet_interrupt()
951 				lp->num_recons++;  in arcnet_interrupt()
954 					   lp->num_recons,  in arcnet_interrupt()
955 					   (lp->last_recon - lp->first_recon) / HZ,  in arcnet_interrupt()
956 					   lp->network_down);  in arcnet_interrupt()
964 				if (!lp->network_down &&  in arcnet_interrupt()
965 				    (lp->last_recon - lp->first_recon) <= HZ * 60 &&  in arcnet_interrupt()
966 				    lp->num_recons >= RECON_THRESHOLD) {  in arcnet_interrupt()
967 					lp->network_down = 1;  in arcnet_interrupt()
969 				} else if (!lp->network_down &&  in arcnet_interrupt()
970 					   lp->last_recon - lp->first_recon > HZ * 60) {  in arcnet_interrupt()
974 					lp->first_recon = lp->last_recon;  in arcnet_interrupt()
975 					lp->num_recons = 1;  in arcnet_interrupt()
978 		} else if (lp->network_down &&  in arcnet_interrupt()
979 			   time_after(jiffies, lp->last_recon + HZ * 10)) {  in arcnet_interrupt()
980 			if (lp->network_down)  in arcnet_interrupt()
982 			lp->first_recon = lp->last_recon = 0;  in arcnet_interrupt()
983 			lp->num_recons = lp->network_down = 0;  in arcnet_interrupt()
994 		   lp->hw.status(dev), boguscount);  in arcnet_interrupt()
997 	lp->hw.intmask(dev, 0);  in arcnet_interrupt()
999 	lp->hw.intmask(dev, lp->intmask);  in arcnet_interrupt()
1001 	spin_unlock(&lp->lock);  in arcnet_interrupt()
1011 	struct arcnet_local *lp = netdev_priv(dev);  in arcnet_rx()  local
1018 	lp->hw.copy_from_card(dev, bufnum, 0, &pkt, ARC_HDR_SIZE);  in arcnet_rx()
1029 		lp->hw.copy_from_card(dev, bufnum, ofs, soft, sizeof(pkt.soft));  in arcnet_rx()
1032 		lp->hw.copy_from_card(dev, bufnum, ofs, soft, length);  in arcnet_rx()
1045 			*oldp = arc_proto_map[lp->default_proto[pkt.hard.source]],  in arcnet_rx()
1057 		lp->default_proto[0] = soft->proto;  in arcnet_rx()
1060 		lp->default_proto[pkt.hard.source] = soft->proto;  in arcnet_rx()
1077 	struct arcnet_local *lp = netdev_priv(dev);  in null_build_header()  local
1081 		   lp->default_proto[daddr]);  in null_build_header()
1091 	struct arcnet_local *lp = netdev_priv(dev);  in null_prepare_tx()  local
1102 	lp->hw.copy_to_card(dev, bufnum, 0, &newpkt, ARC_HDR_SIZE);  in null_prepare_tx()