275 #define TX_BUFFS_AVAIL ((lp->tx_old<=lp->tx_new)?\
276 			lp->tx_old+TX_RING_MOD_MASK-lp->tx_new:\
277 			lp->tx_old - lp->tx_new-1)
303 static void load_csrs(struct lance_private *lp)  in load_csrs()  argument
305 	volatile struct lance_regs *ll = lp->ll;  in load_csrs()
318 	writereg(&ll->rdp, lp->busmaster_regval);  in load_csrs()
452 	struct lance_private *lp = netdev_priv(dev);  in lance_init_ring()  local
459 	lp->rx_new = lp->tx_new = 0;  in lance_init_ring()
460 	lp->rx_old = lp->tx_old = 0;  in lance_init_ring()
465 	*lib_ptr(ib, phys_addr[0], lp->type) = (dev->dev_addr[1] << 8) |  in lance_init_ring()
467 	*lib_ptr(ib, phys_addr[1], lp->type) = (dev->dev_addr[3] << 8) |  in lance_init_ring()
469 	*lib_ptr(ib, phys_addr[2], lp->type) = (dev->dev_addr[5] << 8) |  in lance_init_ring()
475 	*lib_ptr(ib, rx_len, lp->type) = (LANCE_LOG_RX_BUFFERS << 13) |  in lance_init_ring()
477 	*lib_ptr(ib, rx_ptr, lp->type) = leptr;  in lance_init_ring()
480 		       leptr, (uint)lib_off(brx_ring, lp->type));  in lance_init_ring()
484 	*lib_ptr(ib, tx_len, lp->type) = (LANCE_LOG_TX_BUFFERS << 13) |  in lance_init_ring()
486 	*lib_ptr(ib, tx_ptr, lp->type) = leptr;  in lance_init_ring()
489 		       leptr, (uint)lib_off(btx_ring, lp->type));  in lance_init_ring()
496 		leptr = lp->tx_buf_ptr_lnc[i];  in lance_init_ring()
497 		*lib_ptr(ib, btx_ring[i].tmd0, lp->type) = leptr;  in lance_init_ring()
498 		*lib_ptr(ib, btx_ring[i].tmd1, lp->type) = (leptr >> 16) &  in lance_init_ring()
500 		*lib_ptr(ib, btx_ring[i].length, lp->type) = 0xf000;  in lance_init_ring()
502 		*lib_ptr(ib, btx_ring[i].misc, lp->type) = 0;  in lance_init_ring()
505 			       i, leptr, lp->tx_buf_ptr_cpu[i]);  in lance_init_ring()
512 		leptr = lp->rx_buf_ptr_lnc[i];  in lance_init_ring()
513 		*lib_ptr(ib, brx_ring[i].rmd0, lp->type) = leptr;  in lance_init_ring()
514 		*lib_ptr(ib, brx_ring[i].rmd1, lp->type) = ((leptr >> 16) &  in lance_init_ring()
517 		*lib_ptr(ib, brx_ring[i].length, lp->type) = -RX_BUFF_SIZE |  in lance_init_ring()
519 		*lib_ptr(ib, brx_ring[i].mblength, lp->type) = 0;  in lance_init_ring()
522 			       i, leptr, lp->rx_buf_ptr_cpu[i]);  in lance_init_ring()
527 static int init_restart_lance(struct lance_private *lp)  in init_restart_lance()  argument
529 	volatile struct lance_regs *ll = lp->ll;  in init_restart_lance()
558 	struct lance_private *lp = netdev_priv(dev);  in lance_rx()  local
571 			if (i == lp->rx_new)  in lance_rx()
573 						      lp->type) &  in lance_rx()
577 						      lp->type) &  in lance_rx()
584 	for (rd = lib_ptr(ib, brx_ring[lp->rx_new], lp->type);  in lance_rx()
585 	     !((bits = *rds_ptr(rd, rmd1, lp->type)) & LE_R1_OWN);  in lance_rx()
586 	     rd = lib_ptr(ib, brx_ring[lp->rx_new], lp->type)) {  in lance_rx()
587 		entry = lp->rx_new;  in lance_rx()
608 			len = (*rds_ptr(rd, mblength, lp->type) & 0xfff) - 4;  in lance_rx()
613 				*rds_ptr(rd, mblength, lp->type) = 0;  in lance_rx()
614 				*rds_ptr(rd, rmd1, lp->type) =  in lance_rx()
615 					((lp->rx_buf_ptr_lnc[entry] >> 16) &  in lance_rx()
617 				lp->rx_new = (entry + 1) & RX_RING_MOD_MASK;  in lance_rx()
625 			cp_from_buf(lp->type, skb->data,  in lance_rx()
626 				    lp->rx_buf_ptr_cpu[entry], len);  in lance_rx()
634 		*rds_ptr(rd, mblength, lp->type) = 0;  in lance_rx()
635 		*rds_ptr(rd, length, lp->type) = -RX_BUFF_SIZE | 0xf000;  in lance_rx()
636 		*rds_ptr(rd, rmd1, lp->type) =  in lance_rx()
637 			((lp->rx_buf_ptr_lnc[entry] >> 16) & 0xff) | LE_R1_OWN;  in lance_rx()
638 		lp->rx_new = (entry + 1) & RX_RING_MOD_MASK;  in lance_rx()
645 	struct lance_private *lp = netdev_priv(dev);  in lance_tx()  local
647 	volatile struct lance_regs *ll = lp->ll;  in lance_tx()
652 	j = lp->tx_old;  in lance_tx()
654 	spin_lock(&lp->lock);  in lance_tx()
656 	for (i = j; i != lp->tx_new; i = j) {  in lance_tx()
657 		td = lib_ptr(ib, btx_ring[i], lp->type);  in lance_tx()
659 		if (*tds_ptr(td, tmd1, lp->type) & LE_T1_OWN)  in lance_tx()
662 		if (*tds_ptr(td, tmd1, lp->type) & LE_T1_ERR) {  in lance_tx()
663 			status = *tds_ptr(td, misc, lp->type);  in lance_tx()
678 				load_csrs(lp);  in lance_tx()
679 				init_restart_lance(lp);  in lance_tx()
694 				load_csrs(lp);  in lance_tx()
695 				init_restart_lance(lp);  in lance_tx()
698 		} else if ((*tds_ptr(td, tmd1, lp->type) & LE_T1_POK) ==  in lance_tx()
703 			*tds_ptr(td, tmd1, lp->type) &= ~(LE_T1_POK);  in lance_tx()
706 			if (*tds_ptr(td, tmd1, lp->type) & LE_T1_EONE)  in lance_tx()
710 			if (*tds_ptr(td, tmd1, lp->type) & LE_T1_EMORE)  in lance_tx()
717 	lp->tx_old = j;  in lance_tx()
723 	spin_unlock(&lp->lock);  in lance_tx()
737 	struct lance_private *lp = netdev_priv(dev);  in lance_interrupt()  local
738 	volatile struct lance_regs *ll = lp->ll;  in lance_interrupt()
770 		load_csrs(lp);  in lance_interrupt()
771 		init_restart_lance(lp);  in lance_interrupt()
783 	struct lance_private *lp = netdev_priv(dev);  in lance_open()  local
784 	volatile struct lance_regs *ll = lp->ll;  in lance_open()
797 	*lib_ptr(ib, mode, lp->type) = 0;  in lance_open()
798 	*lib_ptr(ib, filter[0], lp->type) = 0;  in lance_open()
799 	*lib_ptr(ib, filter[1], lp->type) = 0;  in lance_open()
800 	*lib_ptr(ib, filter[2], lp->type) = 0;  in lance_open()
801 	*lib_ptr(ib, filter[3], lp->type) = 0;  in lance_open()
804 	load_csrs(lp);  in lance_open()
813 	if (lp->dma_irq >= 0) {  in lance_open()
816 		if (request_irq(lp->dma_irq, lance_dma_merr_int, IRQF_ONESHOT,  in lance_open()
820 				lp->dma_irq);  in lance_open()
835 	status = init_restart_lance(lp);  in lance_open()
841 	struct lance_private *lp = netdev_priv(dev);  in lance_close()  local
842 	volatile struct lance_regs *ll = lp->ll;  in lance_close()
845 	timer_delete_sync(&lp->multicast_timer);  in lance_close()
851 	if (lp->dma_irq >= 0) {  in lance_close()
864 		free_irq(lp->dma_irq, dev);  in lance_close()
872 	struct lance_private *lp = netdev_priv(dev);  in lance_reset()  local
873 	volatile struct lance_regs *ll = lp->ll;  in lance_reset()
881 	load_csrs(lp);  in lance_reset()
883 	status = init_restart_lance(lp);  in lance_reset()
889 	struct lance_private *lp = netdev_priv(dev);  in lance_tx_timeout()  local
890 	volatile struct lance_regs *ll = lp->ll;  in lance_tx_timeout()
900 	struct lance_private *lp = netdev_priv(dev);  in lance_start_xmit()  local
901 	volatile struct lance_regs *ll = lp->ll;  in lance_start_xmit()
916 	spin_lock_irqsave(&lp->lock, flags);  in lance_start_xmit()
918 	entry = lp->tx_new;  in lance_start_xmit()
919 	*lib_ptr(ib, btx_ring[entry].length, lp->type) = (-len);  in lance_start_xmit()
920 	*lib_ptr(ib, btx_ring[entry].misc, lp->type) = 0;  in lance_start_xmit()
922 	cp_to_buf(lp->type, lp->tx_buf_ptr_cpu[entry], skb->data, len);  in lance_start_xmit()
925 	*lib_ptr(ib, btx_ring[entry].tmd1, lp->type) =  in lance_start_xmit()
926 		((lp->tx_buf_ptr_lnc[entry] >> 16) & 0xff) |  in lance_start_xmit()
928 	lp->tx_new = (entry + 1) & TX_RING_MOD_MASK;  in lance_start_xmit()
936 	spin_unlock_irqrestore(&lp->lock, flags);  in lance_start_xmit()
945 	struct lance_private *lp = netdev_priv(dev);  in lance_load_multicast()  local
952 		*lib_ptr(ib, filter[0], lp->type) = 0xffff;  in lance_load_multicast()
953 		*lib_ptr(ib, filter[1], lp->type) = 0xffff;  in lance_load_multicast()
954 		*lib_ptr(ib, filter[2], lp->type) = 0xffff;  in lance_load_multicast()
955 		*lib_ptr(ib, filter[3], lp->type) = 0xffff;  in lance_load_multicast()
959 	*lib_ptr(ib, filter[0], lp->type) = 0;  in lance_load_multicast()
960 	*lib_ptr(ib, filter[1], lp->type) = 0;  in lance_load_multicast()
961 	*lib_ptr(ib, filter[2], lp->type) = 0;  in lance_load_multicast()
962 	*lib_ptr(ib, filter[3], lp->type) = 0;  in lance_load_multicast()
968 		*lib_ptr(ib, filter[crc >> 4], lp->type) |= 1 << (crc & 0xf);  in lance_load_multicast()
974 	struct lance_private *lp = netdev_priv(dev);  in lance_set_multicast()  local
976 	volatile struct lance_regs *ll = lp->ll;  in lance_set_multicast()
981 	if (lp->tx_old != lp->tx_new) {  in lance_set_multicast()
982 		mod_timer(&lp->multicast_timer, jiffies + 4 * HZ/100);  in lance_set_multicast()
995 		*lib_ptr(ib, mode, lp->type) |= LE_MO_PROM;  in lance_set_multicast()
997 		*lib_ptr(ib, mode, lp->type) &= ~LE_MO_PROM;  in lance_set_multicast()
1000 	load_csrs(lp);  in lance_set_multicast()
1001 	init_restart_lance(lp);  in lance_set_multicast()
1007 	struct lance_private *lp = timer_container_of(lp, t, multicast_timer);  in lance_set_multicast_retry()  local
1008 	struct net_device *dev = lp->dev;  in lance_set_multicast_retry()
1029 	struct lance_private *lp;  in dec_lance_probe()  local
1048 			lp = netdev_priv(dev);  in dec_lance_probe()
1049 			dev = lp->next;  in dec_lance_probe()
1064 	lp = netdev_priv(dev);  in dec_lance_probe()
1065 	spin_lock_init(&lp->lock);  in dec_lance_probe()
1067 	lp->type = type;  in dec_lance_probe()
1089 			lp->rx_buf_ptr_cpu[i] =  in dec_lance_probe()
1092 			lp->rx_buf_ptr_lnc[i] =  in dec_lance_probe()
1096 			lp->tx_buf_ptr_cpu[i] =  in dec_lance_probe()
1100 			lp->tx_buf_ptr_lnc[i] =  in dec_lance_probe()
1107 		lp->dma_irq = dec_interrupt[DEC_IRQ_LANCE_MERR];  in dec_lance_probe()
1131 		lp->dma_irq = -1;  in dec_lance_probe()
1134 			lp->rx_buf_ptr_cpu[i] =  in dec_lance_probe()
1137 			lp->rx_buf_ptr_lnc[i] =  in dec_lance_probe()
1141 			lp->tx_buf_ptr_cpu[i] =  in dec_lance_probe()
1145 			lp->tx_buf_ptr_lnc[i] =  in dec_lance_probe()
1159 		lp->dma_irq = -1;  in dec_lance_probe()
1165 			lp->rx_buf_ptr_cpu[i] =  in dec_lance_probe()
1168 			lp->rx_buf_ptr_lnc[i] =  in dec_lance_probe()
1172 			lp->tx_buf_ptr_cpu[i] =  in dec_lance_probe()
1176 			lp->tx_buf_ptr_lnc[i] =  in dec_lance_probe()
1241 	/* lp->ll is the location of the registers for lance card */  in dec_lance_probe()
1242 	lp->ll = ll;  in dec_lance_probe()
1247 	lp->busmaster_regval = 0;  in dec_lance_probe()
1256 	lp->dev = dev;  in dec_lance_probe()
1257 	timer_setup(&lp->multicast_timer, lance_set_multicast_retry, 0);  in dec_lance_probe()
1268 		lp->next = root_lance_dev;  in dec_lance_probe()
1308 		struct lance_private *lp = netdev_priv(dev);  in dec_lance_platform_remove()  local
1311 		root_lance_dev = lp->next;  in dec_lance_platform_remove()