91 static inline void mace_clean_rings(struct mace_data *mp);
112 	struct mace_data *mp;  in mace_probe()  local
155 	mp = netdev_priv(dev);  in mace_probe()
156 	mp->mdev = mdev;  in mace_probe()
160 	mp->mace = ioremap(dev->base_addr, 0x1000);  in mace_probe()
161 	if (mp->mace == NULL) {  in mace_probe()
173 	mp->chipid = (in_8(&mp->mace->chipid_hi) << 8) |  in mace_probe()
174 			in_8(&mp->mace->chipid_lo);  in mace_probe()
177 	mp = netdev_priv(dev);  in mace_probe()
178 	mp->maccc = ENXMT | ENRCV;  in mace_probe()
180 	mp->tx_dma = ioremap(macio_resource_start(mdev, 1), 0x1000);  in mace_probe()
181 	if (mp->tx_dma == NULL) {  in mace_probe()
186 	mp->tx_dma_intr = macio_irq(mdev, 1);  in mace_probe()
188 	mp->rx_dma = ioremap(macio_resource_start(mdev, 2), 0x1000);  in mace_probe()
189 	if (mp->rx_dma == NULL) {  in mace_probe()
194 	mp->rx_dma_intr = macio_irq(mdev, 2);  in mace_probe()
196 	mp->tx_cmds = (volatile struct dbdma_cmd *) DBDMA_ALIGN(mp + 1);  in mace_probe()
197 	mp->rx_cmds = mp->tx_cmds + NCMDS_TX * N_TX_RING + 1;  in mace_probe()
199 	memset((char *) mp->tx_cmds, 0,  in mace_probe()
201 	timer_setup(&mp->tx_timeout, mace_tx_timeout, 0);  in mace_probe()
202 	spin_lock_init(&mp->lock);  in mace_probe()
203 	mp->timeout_active = 0;  in mace_probe()
206 		mp->port_aaui = port_aaui;  in mace_probe()
210 			mp->port_aaui = 1;  in mace_probe()
213 			mp->port_aaui = 1;  in mace_probe()
215 			mp->port_aaui = 0;  in mace_probe()
232 	rc = request_irq(mp->tx_dma_intr, mace_txdma_intr, 0, "MACE-txdma", dev);  in mace_probe()
234 		printk(KERN_ERR "MACE: can't get irq %d\n", mp->tx_dma_intr);  in mace_probe()
237 	rc = request_irq(mp->rx_dma_intr, mace_rxdma_intr, 0, "MACE-rxdma", dev);  in mace_probe()
239 		printk(KERN_ERR "MACE: can't get irq %d\n", mp->rx_dma_intr);  in mace_probe()
251 	       mp->chipid >> 8, mp->chipid & 0xff);  in mace_probe()
262 	iounmap(mp->rx_dma);  in mace_probe()
264 	iounmap(mp->tx_dma);  in mace_probe()
266 	iounmap(mp->mace);  in mace_probe()
278 	struct mace_data *mp;  in mace_remove()  local
284 	mp = netdev_priv(dev);  in mace_remove()
289 	free_irq(mp->tx_dma_intr, dev);  in mace_remove()
290 	free_irq(mp->rx_dma_intr, dev);  in mace_remove()
292 	iounmap(mp->rx_dma);  in mace_remove()
293 	iounmap(mp->tx_dma);  in mace_remove()
294 	iounmap(mp->mace);  in mace_remove()
320     struct mace_data *mp = netdev_priv(dev);  in mace_reset()  local
321     volatile struct mace __iomem *mb = mp->mace;  in mace_reset()
353     if (mp->chipid == BROKEN_ADDRCHG_REV)  in mace_reset()
364     if (mp->chipid != BROKEN_ADDRCHG_REV)  in mace_reset()
367     if (mp->port_aaui)  in mace_reset()
375     struct mace_data *mp = netdev_priv(dev);  in __mace_set_address()  local
376     volatile struct mace __iomem *mb = mp->mace;  in __mace_set_address()
382     if (mp->chipid == BROKEN_ADDRCHG_REV)  in __mace_set_address()
394     if (mp->chipid != BROKEN_ADDRCHG_REV)  in __mace_set_address()
400     struct mace_data *mp = netdev_priv(dev);  in mace_set_address()  local
401     volatile struct mace __iomem *mb = mp->mace;  in mace_set_address()
404     spin_lock_irqsave(&mp->lock, flags);  in mace_set_address()
409     out_8(&mb->maccc, mp->maccc);  in mace_set_address()
411     spin_unlock_irqrestore(&mp->lock, flags);  in mace_set_address()
415 static inline void mace_clean_rings(struct mace_data *mp)  in mace_clean_rings()  argument
421 	if (mp->rx_bufs[i] != NULL) {  in mace_clean_rings()
422 	    dev_kfree_skb(mp->rx_bufs[i]);  in mace_clean_rings()
423 	    mp->rx_bufs[i] = NULL;  in mace_clean_rings()
426     for (i = mp->tx_empty; i != mp->tx_fill; ) {  in mace_clean_rings()
427 	dev_kfree_skb(mp->tx_bufs[i]);  in mace_clean_rings()
435     struct mace_data *mp = netdev_priv(dev);  in mace_open()  local
436     volatile struct mace __iomem *mb = mp->mace;  in mace_open()
437     volatile struct dbdma_regs __iomem *rd = mp->rx_dma;  in mace_open()
438     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_open()
448     mace_clean_rings(mp);  in mace_open()
449     memset((char *)mp->rx_cmds, 0, N_RX_RING * sizeof(struct dbdma_cmd));  in mace_open()
450     cp = mp->rx_cmds;  in mace_open()
459 	mp->rx_bufs[i] = skb;  in mace_open()
466     mp->rx_bufs[i] = NULL;  in mace_open()
468     mp->rx_fill = i;  in mace_open()
469     mp->rx_empty = 0;  in mace_open()
474     cp->cmd_dep = cpu_to_le32(virt_to_bus(mp->rx_cmds));  in mace_open()
478     out_le32(&rd->cmdptr, virt_to_bus(mp->rx_cmds));  in mace_open()
482     cp = mp->tx_cmds + NCMDS_TX * N_TX_RING;  in mace_open()
484     cp->cmd_dep = cpu_to_le32(virt_to_bus(mp->tx_cmds));  in mace_open()
488     out_le32(&td->cmdptr, virt_to_bus(mp->tx_cmds));  in mace_open()
489     mp->tx_fill = 0;  in mace_open()
490     mp->tx_empty = 0;  in mace_open()
491     mp->tx_fullup = 0;  in mace_open()
492     mp->tx_active = 0;  in mace_open()
493     mp->tx_bad_runt = 0;  in mace_open()
496     out_8(&mb->maccc, mp->maccc);  in mace_open()
505     struct mace_data *mp = netdev_priv(dev);  in mace_close()  local
506     volatile struct mace __iomem *mb = mp->mace;  in mace_close()
507     volatile struct dbdma_regs __iomem *rd = mp->rx_dma;  in mace_close()
508     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_close()
518     mace_clean_rings(mp);  in mace_close()
525     struct mace_data *mp = netdev_priv(dev);  in mace_set_timeout()  local
527     if (mp->timeout_active)  in mace_set_timeout()
528 	del_timer(&mp->tx_timeout);  in mace_set_timeout()
529     mp->tx_timeout.expires = jiffies + TX_TIMEOUT;  in mace_set_timeout()
530     add_timer(&mp->tx_timeout);  in mace_set_timeout()
531     mp->timeout_active = 1;  in mace_set_timeout()
536     struct mace_data *mp = netdev_priv(dev);  in mace_xmit_start()  local
537     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_xmit_start()
543     spin_lock_irqsave(&mp->lock, flags);  in mace_xmit_start()
544     fill = mp->tx_fill;  in mace_xmit_start()
548     if (next == mp->tx_empty) {  in mace_xmit_start()
550 	mp->tx_fullup = 1;  in mace_xmit_start()
551 	spin_unlock_irqrestore(&mp->lock, flags);  in mace_xmit_start()
554     spin_unlock_irqrestore(&mp->lock, flags);  in mace_xmit_start()
562     mp->tx_bufs[fill] = skb;  in mace_xmit_start()
563     cp = mp->tx_cmds + NCMDS_TX * fill;  in mace_xmit_start()
567     np = mp->tx_cmds + NCMDS_TX * next;  in mace_xmit_start()
571     spin_lock_irqsave(&mp->lock, flags);  in mace_xmit_start()
572     mp->tx_fill = next;  in mace_xmit_start()
573     if (!mp->tx_bad_runt && mp->tx_active < MAX_TX_ACTIVE) {  in mace_xmit_start()
577 	++mp->tx_active;  in mace_xmit_start()
582     if (next == mp->tx_empty)  in mace_xmit_start()
584     spin_unlock_irqrestore(&mp->lock, flags);  in mace_xmit_start()
591     struct mace_data *mp = netdev_priv(dev);  in mace_set_multicast()  local
592     volatile struct mace __iomem *mb = mp->mace;  in mace_set_multicast()
597     spin_lock_irqsave(&mp->lock, flags);  in mace_set_multicast()
598     mp->maccc &= ~PROM;  in mace_set_multicast()
600 	mp->maccc |= PROM;  in mace_set_multicast()
624 	if (mp->chipid == BROKEN_ADDRCHG_REV)  in mace_set_multicast()
633 	if (mp->chipid != BROKEN_ADDRCHG_REV)  in mace_set_multicast()
637     out_8(&mb->maccc, mp->maccc);  in mace_set_multicast()
638     spin_unlock_irqrestore(&mp->lock, flags);  in mace_set_multicast()
641 static void mace_handle_misc_intrs(struct mace_data *mp, int intr, struct net_device *dev)  in mace_handle_misc_intrs()  argument
643     volatile struct mace __iomem *mb = mp->mace;  in mace_handle_misc_intrs()
665     struct mace_data *mp = netdev_priv(dev);  in mace_interrupt()  local
666     volatile struct mace __iomem *mb = mp->mace;  in mace_interrupt()
667     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_interrupt()
674     spin_lock_irqsave(&mp->lock, flags);  in mace_interrupt()
677     mace_handle_misc_intrs(mp, intr, dev);  in mace_interrupt()
679     i = mp->tx_empty;  in mace_interrupt()
681 	del_timer(&mp->tx_timeout);  in mace_interrupt()
682 	mp->timeout_active = 0;  in mace_interrupt()
690 	    mace_handle_misc_intrs(mp, intr, dev);  in mace_interrupt()
691 	if (mp->tx_bad_runt) {  in mace_interrupt()
693 	    mp->tx_bad_runt = 0;  in mace_interrupt()
729 	cp = mp->tx_cmds + NCMDS_TX * i;  in mace_interrupt()
740 		mp->tx_bad_runt = 1;  in mace_interrupt()
757 	if (i == mp->tx_fill) {  in mace_interrupt()
770 	    dev->stats.tx_bytes += mp->tx_bufs[i]->len;  in mace_interrupt()
773 	dev_consume_skb_irq(mp->tx_bufs[i]);  in mace_interrupt()
774 	--mp->tx_active;  in mace_interrupt()
783     if (i != mp->tx_empty) {  in mace_interrupt()
784 	mp->tx_fullup = 0;  in mace_interrupt()
787     mp->tx_empty = i;  in mace_interrupt()
788     i += mp->tx_active;  in mace_interrupt()
791     if (!mp->tx_bad_runt && i != mp->tx_fill && mp->tx_active < MAX_TX_ACTIVE) {  in mace_interrupt()
794 	    cp = mp->tx_cmds + NCMDS_TX * i;  in mace_interrupt()
797 	    ++mp->tx_active;  in mace_interrupt()
800 	} while (i != mp->tx_fill && mp->tx_active < MAX_TX_ACTIVE);  in mace_interrupt()
804     spin_unlock_irqrestore(&mp->lock, flags);  in mace_interrupt()
810     struct mace_data *mp = from_timer(mp, t, tx_timeout);  in mace_tx_timeout()  local
811     struct net_device *dev = macio_get_drvdata(mp->mdev);  in mace_tx_timeout()
812     volatile struct mace __iomem *mb = mp->mace;  in mace_tx_timeout()
813     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_tx_timeout()
814     volatile struct dbdma_regs __iomem *rd = mp->rx_dma;  in mace_tx_timeout()
819     spin_lock_irqsave(&mp->lock, flags);  in mace_tx_timeout()
820     mp->timeout_active = 0;  in mace_tx_timeout()
821     if (mp->tx_active == 0 && !mp->tx_bad_runt)  in mace_tx_timeout()
825     mace_handle_misc_intrs(mp, in_8(&mb->ir), dev);  in mace_tx_timeout()
827     cp = mp->tx_cmds + NCMDS_TX * mp->tx_empty;  in mace_tx_timeout()
843     i = mp->tx_empty;  in mace_tx_timeout()
844     mp->tx_active = 0;  in mace_tx_timeout()
846     if (mp->tx_bad_runt) {  in mace_tx_timeout()
847 	mp->tx_bad_runt = 0;  in mace_tx_timeout()
848     } else if (i != mp->tx_fill) {  in mace_tx_timeout()
849 	dev_kfree_skb(mp->tx_bufs[i]);  in mace_tx_timeout()
852 	mp->tx_empty = i;  in mace_tx_timeout()
854     mp->tx_fullup = 0;  in mace_tx_timeout()
856     if (i != mp->tx_fill) {  in mace_tx_timeout()
857 	cp = mp->tx_cmds + NCMDS_TX * i;  in mace_tx_timeout()
862 	++mp->tx_active;  in mace_tx_timeout()
868     out_8(&mb->maccc, mp->maccc);  in mace_tx_timeout()
871     spin_unlock_irqrestore(&mp->lock, flags);  in mace_tx_timeout()
882     struct mace_data *mp = netdev_priv(dev);  in mace_rxdma_intr()  local
883     volatile struct dbdma_regs __iomem *rd = mp->rx_dma;  in mace_rxdma_intr()
892     spin_lock_irqsave(&mp->lock, flags);  in mace_rxdma_intr()
893     for (i = mp->rx_empty; i != mp->rx_fill; ) {  in mace_rxdma_intr()
894 	cp = mp->rx_cmds + i;  in mace_rxdma_intr()
900 	    np = mp->rx_cmds + next;  in mace_rxdma_intr()
901 	    if (next != mp->rx_fill &&  in mace_rxdma_intr()
911 	skb = mp->rx_bufs[i];  in mace_rxdma_intr()
938 		mp->rx_bufs[i] = NULL;  in mace_rxdma_intr()
950     mp->rx_empty = i;  in mace_rxdma_intr()
952     i = mp->rx_fill;  in mace_rxdma_intr()
957 	if (next == mp->rx_empty)  in mace_rxdma_intr()
959 	cp = mp->rx_cmds + i;  in mace_rxdma_intr()
960 	skb = mp->rx_bufs[i];  in mace_rxdma_intr()
965 		mp->rx_bufs[i] = skb;  in mace_rxdma_intr()
982     if (i != mp->rx_fill) {  in mace_rxdma_intr()
984 	mp->rx_fill = i;  in mace_rxdma_intr()
986     spin_unlock_irqrestore(&mp->lock, flags);  in mace_rxdma_intr()