91 static inline void mace_clean_rings(struct mace_data *mp);
113 	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()
172 	mp->chipid = (in_8(&mp->mace->chipid_hi) << 8) |  in mace_probe()
173 			in_8(&mp->mace->chipid_lo);  in mace_probe()
176 	mp = netdev_priv(dev);  in mace_probe()
177 	mp->maccc = ENXMT | ENRCV;  in mace_probe()
179 	mp->tx_dma = ioremap(macio_resource_start(mdev, 1), 0x1000);  in mace_probe()
180 	if (mp->tx_dma == NULL) {  in mace_probe()
185 	mp->tx_dma_intr = macio_irq(mdev, 1);  in mace_probe()
187 	mp->rx_dma = ioremap(macio_resource_start(mdev, 2), 0x1000);  in mace_probe()
188 	if (mp->rx_dma == NULL) {  in mace_probe()
193 	mp->rx_dma_intr = macio_irq(mdev, 2);  in mace_probe()
195 	mp->tx_cmds = (volatile struct dbdma_cmd *) DBDMA_ALIGN(mp + 1);  in mace_probe()
196 	mp->rx_cmds = mp->tx_cmds + NCMDS_TX * N_TX_RING + 1;  in mace_probe()
198 	memset((char *) mp->tx_cmds, 0,  in mace_probe()
200 	init_timer(&mp->tx_timeout);  in mace_probe()
201 	spin_lock_init(&mp->lock);  in mace_probe()
202 	mp->timeout_active = 0;  in mace_probe()
205 		mp->port_aaui = port_aaui;  in mace_probe()
209 			mp->port_aaui = 1;  in mace_probe()
212 			mp->port_aaui = 1;  in mace_probe()
214 			mp->port_aaui = 0;  in mace_probe()
231 	rc = request_irq(mp->tx_dma_intr, mace_txdma_intr, 0, "MACE-txdma", dev);  in mace_probe()
233 		printk(KERN_ERR "MACE: can't get irq %d\n", mp->tx_dma_intr);  in mace_probe()
236 	rc = request_irq(mp->rx_dma_intr, mace_rxdma_intr, 0, "MACE-rxdma", dev);  in mace_probe()
238 		printk(KERN_ERR "MACE: can't get irq %d\n", mp->rx_dma_intr);  in mace_probe()
250 	       mp->chipid >> 8, mp->chipid & 0xff);  in mace_probe()
261 	iounmap(mp->rx_dma);  in mace_probe()
263 	iounmap(mp->tx_dma);  in mace_probe()
265 	iounmap(mp->mace);  in mace_probe()
277 	struct mace_data *mp;  in mace_remove()  local
283 	mp = netdev_priv(dev);  in mace_remove()
288 	free_irq(mp->tx_dma_intr, dev);  in mace_remove()
289 	free_irq(mp->rx_dma_intr, dev);  in mace_remove()
291 	iounmap(mp->rx_dma);  in mace_remove()
292 	iounmap(mp->tx_dma);  in mace_remove()
293 	iounmap(mp->mace);  in mace_remove()
319     struct mace_data *mp = netdev_priv(dev);  in mace_reset()  local
320     volatile struct mace __iomem *mb = mp->mace;  in mace_reset()
352     if (mp->chipid == BROKEN_ADDRCHG_REV)  in mace_reset()
363     if (mp->chipid != BROKEN_ADDRCHG_REV)  in mace_reset()
366     if (mp->port_aaui)  in mace_reset()
374     struct mace_data *mp = netdev_priv(dev);  in __mace_set_address()  local
375     volatile struct mace __iomem *mb = mp->mace;  in __mace_set_address()
380     if (mp->chipid == BROKEN_ADDRCHG_REV)  in __mace_set_address()
389     if (mp->chipid != BROKEN_ADDRCHG_REV)  in __mace_set_address()
395     struct mace_data *mp = netdev_priv(dev);  in mace_set_address()  local
396     volatile struct mace __iomem *mb = mp->mace;  in mace_set_address()
399     spin_lock_irqsave(&mp->lock, flags);  in mace_set_address()
404     out_8(&mb->maccc, mp->maccc);  in mace_set_address()
406     spin_unlock_irqrestore(&mp->lock, flags);  in mace_set_address()
410 static inline void mace_clean_rings(struct mace_data *mp)  in mace_clean_rings()  argument
416 	if (mp->rx_bufs[i] != NULL) {  in mace_clean_rings()
417 	    dev_kfree_skb(mp->rx_bufs[i]);  in mace_clean_rings()
418 	    mp->rx_bufs[i] = NULL;  in mace_clean_rings()
421     for (i = mp->tx_empty; i != mp->tx_fill; ) {  in mace_clean_rings()
422 	dev_kfree_skb(mp->tx_bufs[i]);  in mace_clean_rings()
430     struct mace_data *mp = netdev_priv(dev);  in mace_open()  local
431     volatile struct mace __iomem *mb = mp->mace;  in mace_open()
432     volatile struct dbdma_regs __iomem *rd = mp->rx_dma;  in mace_open()
433     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_open()
443     mace_clean_rings(mp);  in mace_open()
444     memset((char *)mp->rx_cmds, 0, N_RX_RING * sizeof(struct dbdma_cmd));  in mace_open()
445     cp = mp->rx_cmds;  in mace_open()
454 	mp->rx_bufs[i] = skb;  in mace_open()
461     mp->rx_bufs[i] = NULL;  in mace_open()
463     mp->rx_fill = i;  in mace_open()
464     mp->rx_empty = 0;  in mace_open()
469     cp->cmd_dep = cpu_to_le32(virt_to_bus(mp->rx_cmds));  in mace_open()
473     out_le32(&rd->cmdptr, virt_to_bus(mp->rx_cmds));  in mace_open()
477     cp = mp->tx_cmds + NCMDS_TX * N_TX_RING;  in mace_open()
479     cp->cmd_dep = cpu_to_le32(virt_to_bus(mp->tx_cmds));  in mace_open()
483     out_le32(&td->cmdptr, virt_to_bus(mp->tx_cmds));  in mace_open()
484     mp->tx_fill = 0;  in mace_open()
485     mp->tx_empty = 0;  in mace_open()
486     mp->tx_fullup = 0;  in mace_open()
487     mp->tx_active = 0;  in mace_open()
488     mp->tx_bad_runt = 0;  in mace_open()
491     out_8(&mb->maccc, mp->maccc);  in mace_open()
500     struct mace_data *mp = netdev_priv(dev);  in mace_close()  local
501     volatile struct mace __iomem *mb = mp->mace;  in mace_close()
502     volatile struct dbdma_regs __iomem *rd = mp->rx_dma;  in mace_close()
503     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_close()
513     mace_clean_rings(mp);  in mace_close()
520     struct mace_data *mp = netdev_priv(dev);  in mace_set_timeout()  local
522     if (mp->timeout_active)  in mace_set_timeout()
523 	del_timer(&mp->tx_timeout);  in mace_set_timeout()
524     mp->tx_timeout.expires = jiffies + TX_TIMEOUT;  in mace_set_timeout()
525     mp->tx_timeout.function = mace_tx_timeout;  in mace_set_timeout()
526     mp->tx_timeout.data = (unsigned long) dev;  in mace_set_timeout()
527     add_timer(&mp->tx_timeout);  in mace_set_timeout()
528     mp->timeout_active = 1;  in mace_set_timeout()
533     struct mace_data *mp = netdev_priv(dev);  in mace_xmit_start()  local
534     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_xmit_start()
540     spin_lock_irqsave(&mp->lock, flags);  in mace_xmit_start()
541     fill = mp->tx_fill;  in mace_xmit_start()
545     if (next == mp->tx_empty) {  in mace_xmit_start()
547 	mp->tx_fullup = 1;  in mace_xmit_start()
548 	spin_unlock_irqrestore(&mp->lock, flags);  in mace_xmit_start()
551     spin_unlock_irqrestore(&mp->lock, flags);  in mace_xmit_start()
559     mp->tx_bufs[fill] = skb;  in mace_xmit_start()
560     cp = mp->tx_cmds + NCMDS_TX * fill;  in mace_xmit_start()
564     np = mp->tx_cmds + NCMDS_TX * next;  in mace_xmit_start()
568     spin_lock_irqsave(&mp->lock, flags);  in mace_xmit_start()
569     mp->tx_fill = next;  in mace_xmit_start()
570     if (!mp->tx_bad_runt && mp->tx_active < MAX_TX_ACTIVE) {  in mace_xmit_start()
574 	++mp->tx_active;  in mace_xmit_start()
579     if (next == mp->tx_empty)  in mace_xmit_start()
581     spin_unlock_irqrestore(&mp->lock, flags);  in mace_xmit_start()
588     struct mace_data *mp = netdev_priv(dev);  in mace_set_multicast()  local
589     volatile struct mace __iomem *mb = mp->mace;  in mace_set_multicast()
594     spin_lock_irqsave(&mp->lock, flags);  in mace_set_multicast()
595     mp->maccc &= ~PROM;  in mace_set_multicast()
597 	mp->maccc |= PROM;  in mace_set_multicast()
621 	if (mp->chipid == BROKEN_ADDRCHG_REV)  in mace_set_multicast()
630 	if (mp->chipid != BROKEN_ADDRCHG_REV)  in mace_set_multicast()
634     out_8(&mb->maccc, mp->maccc);  in mace_set_multicast()
635     spin_unlock_irqrestore(&mp->lock, flags);  in mace_set_multicast()
638 static void mace_handle_misc_intrs(struct mace_data *mp, int intr, struct net_device *dev)  in mace_handle_misc_intrs()  argument
640     volatile struct mace __iomem *mb = mp->mace;  in mace_handle_misc_intrs()
662     struct mace_data *mp = netdev_priv(dev);  in mace_interrupt()  local
663     volatile struct mace __iomem *mb = mp->mace;  in mace_interrupt()
664     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_interrupt()
671     spin_lock_irqsave(&mp->lock, flags);  in mace_interrupt()
674     mace_handle_misc_intrs(mp, intr, dev);  in mace_interrupt()
676     i = mp->tx_empty;  in mace_interrupt()
678 	del_timer(&mp->tx_timeout);  in mace_interrupt()
679 	mp->timeout_active = 0;  in mace_interrupt()
687 	    mace_handle_misc_intrs(mp, intr, dev);  in mace_interrupt()
688 	if (mp->tx_bad_runt) {  in mace_interrupt()
690 	    mp->tx_bad_runt = 0;  in mace_interrupt()
726 	cp = mp->tx_cmds + NCMDS_TX * i;  in mace_interrupt()
737 		mp->tx_bad_runt = 1;  in mace_interrupt()
754 	if (i == mp->tx_fill) {  in mace_interrupt()
767 	    dev->stats.tx_bytes += mp->tx_bufs[i]->len;  in mace_interrupt()
770 	dev_kfree_skb_irq(mp->tx_bufs[i]);  in mace_interrupt()
771 	--mp->tx_active;  in mace_interrupt()
780     if (i != mp->tx_empty) {  in mace_interrupt()
781 	mp->tx_fullup = 0;  in mace_interrupt()
784     mp->tx_empty = i;  in mace_interrupt()
785     i += mp->tx_active;  in mace_interrupt()
788     if (!mp->tx_bad_runt && i != mp->tx_fill && mp->tx_active < MAX_TX_ACTIVE) {  in mace_interrupt()
791 	    cp = mp->tx_cmds + NCMDS_TX * i;  in mace_interrupt()
794 	    ++mp->tx_active;  in mace_interrupt()
797 	} while (i != mp->tx_fill && mp->tx_active < MAX_TX_ACTIVE);  in mace_interrupt()
801     spin_unlock_irqrestore(&mp->lock, flags);  in mace_interrupt()
808     struct mace_data *mp = netdev_priv(dev);  in mace_tx_timeout()  local
809     volatile struct mace __iomem *mb = mp->mace;  in mace_tx_timeout()
810     volatile struct dbdma_regs __iomem *td = mp->tx_dma;  in mace_tx_timeout()
811     volatile struct dbdma_regs __iomem *rd = mp->rx_dma;  in mace_tx_timeout()
816     spin_lock_irqsave(&mp->lock, flags);  in mace_tx_timeout()
817     mp->timeout_active = 0;  in mace_tx_timeout()
818     if (mp->tx_active == 0 && !mp->tx_bad_runt)  in mace_tx_timeout()
822     mace_handle_misc_intrs(mp, in_8(&mb->ir), dev);  in mace_tx_timeout()
824     cp = mp->tx_cmds + NCMDS_TX * mp->tx_empty;  in mace_tx_timeout()
840     i = mp->tx_empty;  in mace_tx_timeout()
841     mp->tx_active = 0;  in mace_tx_timeout()
843     if (mp->tx_bad_runt) {  in mace_tx_timeout()
844 	mp->tx_bad_runt = 0;  in mace_tx_timeout()
845     } else if (i != mp->tx_fill) {  in mace_tx_timeout()
846 	dev_kfree_skb(mp->tx_bufs[i]);  in mace_tx_timeout()
849 	mp->tx_empty = i;  in mace_tx_timeout()
851     mp->tx_fullup = 0;  in mace_tx_timeout()
853     if (i != mp->tx_fill) {  in mace_tx_timeout()
854 	cp = mp->tx_cmds + NCMDS_TX * i;  in mace_tx_timeout()
859 	++mp->tx_active;  in mace_tx_timeout()
865     out_8(&mb->maccc, mp->maccc);  in mace_tx_timeout()
868     spin_unlock_irqrestore(&mp->lock, flags);  in mace_tx_timeout()
879     struct mace_data *mp = netdev_priv(dev);  in mace_rxdma_intr()  local
880     volatile struct dbdma_regs __iomem *rd = mp->rx_dma;  in mace_rxdma_intr()
889     spin_lock_irqsave(&mp->lock, flags);  in mace_rxdma_intr()
890     for (i = mp->rx_empty; i != mp->rx_fill; ) {  in mace_rxdma_intr()
891 	cp = mp->rx_cmds + i;  in mace_rxdma_intr()
897 	    np = mp->rx_cmds + next;  in mace_rxdma_intr()
898 	    if (next != mp->rx_fill &&  in mace_rxdma_intr()
908 	skb = mp->rx_bufs[i];  in mace_rxdma_intr()
935 		mp->rx_bufs[i] = NULL;  in mace_rxdma_intr()
947     mp->rx_empty = i;  in mace_rxdma_intr()
949     i = mp->rx_fill;  in mace_rxdma_intr()
954 	if (next == mp->rx_empty)  in mace_rxdma_intr()
956 	cp = mp->rx_cmds + i;  in mace_rxdma_intr()
957 	skb = mp->rx_bufs[i];  in mace_rxdma_intr()
962 		mp->rx_bufs[i] = skb;  in mace_rxdma_intr()
979     if (i != mp->rx_fill) {  in mace_rxdma_intr()
981 	mp->rx_fill = i;  in mace_rxdma_intr()
983     spin_unlock_irqrestore(&mp->lock, flags);  in mace_rxdma_intr()