Lines Matching +full:sram +full:- +full:others
3 * Copyright 1996-1999 Thomas Bogendoerfer
85 static int tx_start = 1; /* Mapping -- 0:20, 1:64, 2:128, 3:~220 (depends on chip vers) */
113 PCNET32_PORT_ASEL, /* 0 Auto-select */
117 PCNET32_PORT_10BT | PCNET32_PORT_FD, /* 4 10baseT-FD */
123 PCNET32_PORT_MII | PCNET32_PORT_FD, /* 10 MII 10baseT-FD */
127 /* 14 MII 100BaseTx-FD */
175 #define PKT_BUF_SIZE (PKT_BUF_SKB - NET_IP_ALIGN)
177 #define NEG_BUF_SIZE (NET_IP_ALIGN - PKT_BUF_SKB)
228 /* The PCNET32 32-Bit initialization block, described in databook. */
257 /* The Tx and Rx ring entries must be aligned on 16-byte boundaries in 32bit mode. */
264 /* The saved address of a sent-in-place packet/buffer, for skfree(). */
451 napi_disable(&lp->napi); in pcnet32_netif_stop()
458 ulong ioaddr = dev->base_addr; in pcnet32_netif_start()
462 val = lp->a->read_csr(ioaddr, CSR3); in pcnet32_netif_start()
464 lp->a->write_csr(ioaddr, CSR3, val); in pcnet32_netif_start()
465 napi_enable_locked(&lp->napi); in pcnet32_netif_start()
473 * Must be called with lp->lock held.
488 dma_alloc_coherent(&lp->pci_dev->dev, in pcnet32_realloc_tx_ring()
502 kfree(lp->tx_skbuff); in pcnet32_realloc_tx_ring()
503 kfree(lp->tx_dma_addr); in pcnet32_realloc_tx_ring()
504 dma_free_coherent(&lp->pci_dev->dev, in pcnet32_realloc_tx_ring()
505 sizeof(struct pcnet32_tx_head) * lp->tx_ring_size, in pcnet32_realloc_tx_ring()
506 lp->tx_ring, lp->tx_ring_dma_addr); in pcnet32_realloc_tx_ring()
508 lp->tx_ring_size = entries; in pcnet32_realloc_tx_ring()
509 lp->tx_mod_mask = lp->tx_ring_size - 1; in pcnet32_realloc_tx_ring()
510 lp->tx_len_bits = (size << 12); in pcnet32_realloc_tx_ring()
511 lp->tx_ring = new_tx_ring; in pcnet32_realloc_tx_ring()
512 lp->tx_ring_dma_addr = new_ring_dma_addr; in pcnet32_realloc_tx_ring()
513 lp->tx_dma_addr = new_dma_addr_list; in pcnet32_realloc_tx_ring()
514 lp->tx_skbuff = new_skb_list; in pcnet32_realloc_tx_ring()
520 dma_free_coherent(&lp->pci_dev->dev, in pcnet32_realloc_tx_ring()
527 * Re-use old receive buffers.
533 * Must be called with lp->lock held.
547 dma_alloc_coherent(&lp->pci_dev->dev, in pcnet32_realloc_rx_ring()
562 overlap = min(entries, lp->rx_ring_size); in pcnet32_realloc_rx_ring()
564 new_rx_ring[new] = lp->rx_ring[new]; in pcnet32_realloc_rx_ring()
565 new_dma_addr_list[new] = lp->rx_dma_addr[new]; in pcnet32_realloc_rx_ring()
566 new_skb_list[new] = lp->rx_skbuff[new]; in pcnet32_realloc_rx_ring()
582 dma_map_single(&lp->pci_dev->dev, rx_skbuff->data, in pcnet32_realloc_rx_ring()
584 if (dma_mapping_error(&lp->pci_dev->dev, new_dma_addr_list[new])) { in pcnet32_realloc_rx_ring()
595 for (; new < lp->rx_ring_size; new++) { in pcnet32_realloc_rx_ring()
596 if (lp->rx_skbuff[new]) { in pcnet32_realloc_rx_ring()
597 if (!dma_mapping_error(&lp->pci_dev->dev, lp->rx_dma_addr[new])) in pcnet32_realloc_rx_ring()
598 dma_unmap_single(&lp->pci_dev->dev, in pcnet32_realloc_rx_ring()
599 lp->rx_dma_addr[new], in pcnet32_realloc_rx_ring()
602 dev_kfree_skb(lp->rx_skbuff[new]); in pcnet32_realloc_rx_ring()
606 kfree(lp->rx_skbuff); in pcnet32_realloc_rx_ring()
607 kfree(lp->rx_dma_addr); in pcnet32_realloc_rx_ring()
608 dma_free_coherent(&lp->pci_dev->dev, in pcnet32_realloc_rx_ring()
609 sizeof(struct pcnet32_rx_head) * lp->rx_ring_size, in pcnet32_realloc_rx_ring()
610 lp->rx_ring, lp->rx_ring_dma_addr); in pcnet32_realloc_rx_ring()
612 lp->rx_ring_size = entries; in pcnet32_realloc_rx_ring()
613 lp->rx_mod_mask = lp->rx_ring_size - 1; in pcnet32_realloc_rx_ring()
614 lp->rx_len_bits = (size << 4); in pcnet32_realloc_rx_ring()
615 lp->rx_ring = new_rx_ring; in pcnet32_realloc_rx_ring()
616 lp->rx_ring_dma_addr = new_ring_dma_addr; in pcnet32_realloc_rx_ring()
617 lp->rx_dma_addr = new_dma_addr_list; in pcnet32_realloc_rx_ring()
618 lp->rx_skbuff = new_skb_list; in pcnet32_realloc_rx_ring()
622 while (--new >= lp->rx_ring_size) { in pcnet32_realloc_rx_ring()
624 if (!dma_mapping_error(&lp->pci_dev->dev, new_dma_addr_list[new])) in pcnet32_realloc_rx_ring()
625 dma_unmap_single(&lp->pci_dev->dev, in pcnet32_realloc_rx_ring()
636 dma_free_coherent(&lp->pci_dev->dev, in pcnet32_realloc_rx_ring()
647 for (i = 0; i < lp->rx_ring_size; i++) { in pcnet32_purge_rx_ring()
648 lp->rx_ring[i].status = 0; /* CPU owns buffer */ in pcnet32_purge_rx_ring()
650 if (lp->rx_skbuff[i]) { in pcnet32_purge_rx_ring()
651 if (!dma_mapping_error(&lp->pci_dev->dev, lp->rx_dma_addr[i])) in pcnet32_purge_rx_ring()
652 dma_unmap_single(&lp->pci_dev->dev, in pcnet32_purge_rx_ring()
653 lp->rx_dma_addr[i], in pcnet32_purge_rx_ring()
656 dev_kfree_skb_any(lp->rx_skbuff[i]); in pcnet32_purge_rx_ring()
658 lp->rx_skbuff[i] = NULL; in pcnet32_purge_rx_ring()
659 lp->rx_dma_addr[i] = 0; in pcnet32_purge_rx_ring()
666 disable_irq(dev->irq); in pcnet32_poll_controller()
668 enable_irq(dev->irq); in pcnet32_poll_controller()
673 * lp->lock must be held.
680 const struct pcnet32_access *a = lp->a; in pcnet32_suspend()
681 ulong ioaddr = dev->base_addr; in pcnet32_suspend()
685 if (lp->chip_version < PCNET32_79C970A) in pcnet32_suspend()
688 /* set SUSPEND (SPND) - CSR5 bit 0 */ in pcnet32_suspend()
689 csr5 = a->read_csr(ioaddr, CSR5); in pcnet32_suspend()
690 a->write_csr(ioaddr, CSR5, csr5 | CSR5_SUSPEND); in pcnet32_suspend()
694 while (!(a->read_csr(ioaddr, CSR5) & CSR5_SUSPEND)) { in pcnet32_suspend()
695 spin_unlock_irqrestore(&lp->lock, *flags); in pcnet32_suspend()
700 spin_lock_irqsave(&lp->lock, *flags); in pcnet32_suspend()
713 int csr5 = lp->a->read_csr(ioaddr, CSR5); in pcnet32_clr_suspend()
714 /* clear SUSPEND (SPND) - CSR5 bit 0 */ in pcnet32_clr_suspend()
715 lp->a->write_csr(ioaddr, CSR5, csr5 & ~CSR5_SUSPEND); in pcnet32_clr_suspend()
724 spin_lock_irqsave(&lp->lock, flags); in pcnet32_get_link_ksettings()
725 if (lp->mii) { in pcnet32_get_link_ksettings()
726 mii_ethtool_get_link_ksettings(&lp->mii_if, cmd); in pcnet32_get_link_ksettings()
727 } else if (lp->chip_version == PCNET32_79C970A) { in pcnet32_get_link_ksettings()
728 if (lp->autoneg) { in pcnet32_get_link_ksettings()
729 cmd->base.autoneg = AUTONEG_ENABLE; in pcnet32_get_link_ksettings()
730 if (lp->a->read_bcr(dev->base_addr, 4) == 0xc0) in pcnet32_get_link_ksettings()
731 cmd->base.port = PORT_AUI; in pcnet32_get_link_ksettings()
733 cmd->base.port = PORT_TP; in pcnet32_get_link_ksettings()
735 cmd->base.autoneg = AUTONEG_DISABLE; in pcnet32_get_link_ksettings()
736 cmd->base.port = lp->port_tp ? PORT_TP : PORT_AUI; in pcnet32_get_link_ksettings()
738 cmd->base.duplex = lp->fdx ? DUPLEX_FULL : DUPLEX_HALF; in pcnet32_get_link_ksettings()
739 cmd->base.speed = SPEED_10; in pcnet32_get_link_ksettings()
741 cmd->link_modes.supported, in pcnet32_get_link_ksettings()
744 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_get_link_ksettings()
752 ulong ioaddr = dev->base_addr; in pcnet32_set_link_ksettings()
754 int r = -EOPNOTSUPP; in pcnet32_set_link_ksettings()
757 spin_lock_irqsave(&lp->lock, flags); in pcnet32_set_link_ksettings()
758 if (lp->mii) { in pcnet32_set_link_ksettings()
759 r = mii_ethtool_set_link_ksettings(&lp->mii_if, cmd); in pcnet32_set_link_ksettings()
760 } else if (lp->chip_version == PCNET32_79C970A) { in pcnet32_set_link_ksettings()
763 lp->a->write_csr(ioaddr, CSR0, CSR0_STOP); in pcnet32_set_link_ksettings()
765 lp->autoneg = cmd->base.autoneg == AUTONEG_ENABLE; in pcnet32_set_link_ksettings()
766 bcr2 = lp->a->read_bcr(ioaddr, 2); in pcnet32_set_link_ksettings()
767 if (cmd->base.autoneg == AUTONEG_ENABLE) { in pcnet32_set_link_ksettings()
768 lp->a->write_bcr(ioaddr, 2, bcr2 | 0x0002); in pcnet32_set_link_ksettings()
770 lp->a->write_bcr(ioaddr, 2, bcr2 & ~0x0002); in pcnet32_set_link_ksettings()
772 lp->port_tp = cmd->base.port == PORT_TP; in pcnet32_set_link_ksettings()
773 csr15 = lp->a->read_csr(ioaddr, CSR15) & ~0x0180; in pcnet32_set_link_ksettings()
774 if (cmd->base.port == PORT_TP) in pcnet32_set_link_ksettings()
776 lp->a->write_csr(ioaddr, CSR15, csr15); in pcnet32_set_link_ksettings()
777 lp->init_block->mode = cpu_to_le16(csr15); in pcnet32_set_link_ksettings()
779 lp->fdx = cmd->base.duplex == DUPLEX_FULL; in pcnet32_set_link_ksettings()
780 bcr9 = lp->a->read_bcr(ioaddr, 9) & ~0x0003; in pcnet32_set_link_ksettings()
781 if (cmd->base.duplex == DUPLEX_FULL) in pcnet32_set_link_ksettings()
783 lp->a->write_bcr(ioaddr, 9, bcr9); in pcnet32_set_link_ksettings()
791 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_set_link_ksettings()
800 strscpy(info->driver, DRV_NAME, sizeof(info->driver)); in pcnet32_get_drvinfo()
801 if (lp->pci_dev) in pcnet32_get_drvinfo()
802 strscpy(info->bus_info, pci_name(lp->pci_dev), in pcnet32_get_drvinfo()
803 sizeof(info->bus_info)); in pcnet32_get_drvinfo()
805 snprintf(info->bus_info, sizeof(info->bus_info), in pcnet32_get_drvinfo()
806 "VLB 0x%lx", dev->base_addr); in pcnet32_get_drvinfo()
815 spin_lock_irqsave(&lp->lock, flags); in pcnet32_get_link()
816 if (lp->mii) { in pcnet32_get_link()
817 r = mii_link_ok(&lp->mii_if); in pcnet32_get_link()
818 } else if (lp->chip_version == PCNET32_79C970A) { in pcnet32_get_link()
819 ulong ioaddr = dev->base_addr; /* card base I/O address */ in pcnet32_get_link()
821 if (!lp->autoneg && lp->port_tp) in pcnet32_get_link()
822 r = (lp->a->read_bcr(ioaddr, 4) != 0xc0); in pcnet32_get_link()
825 } else if (lp->chip_version > PCNET32_79C970A) { in pcnet32_get_link()
826 ulong ioaddr = dev->base_addr; /* card base I/O address */ in pcnet32_get_link()
827 r = (lp->a->read_bcr(ioaddr, 4) != 0xc0); in pcnet32_get_link()
831 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_get_link()
839 return lp->msg_enable; in pcnet32_get_msglevel()
845 lp->msg_enable = value; in pcnet32_set_msglevel()
852 int r = -EOPNOTSUPP; in pcnet32_nway_reset()
854 if (lp->mii) { in pcnet32_nway_reset()
855 spin_lock_irqsave(&lp->lock, flags); in pcnet32_nway_reset()
856 r = mii_nway_restart(&lp->mii_if); in pcnet32_nway_reset()
857 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_nway_reset()
869 ering->tx_max_pending = TX_MAX_RING_SIZE; in pcnet32_get_ringparam()
870 ering->tx_pending = lp->tx_ring_size; in pcnet32_get_ringparam()
871 ering->rx_max_pending = RX_MAX_RING_SIZE; in pcnet32_get_ringparam()
872 ering->rx_pending = lp->rx_ring_size; in pcnet32_get_ringparam()
883 ulong ioaddr = dev->base_addr; in pcnet32_set_ringparam()
886 if (ering->rx_mini_pending || ering->rx_jumbo_pending) in pcnet32_set_ringparam()
887 return -EINVAL; in pcnet32_set_ringparam()
893 spin_lock_irqsave(&lp->lock, flags); in pcnet32_set_ringparam()
894 lp->a->write_csr(ioaddr, CSR0, CSR0_STOP); /* stop the chip */ in pcnet32_set_ringparam()
896 size = min(ering->tx_pending, (unsigned int)TX_MAX_RING_SIZE); in pcnet32_set_ringparam()
905 if ((1 << i) != lp->tx_ring_size) in pcnet32_set_ringparam()
908 size = min(ering->rx_pending, (unsigned int)RX_MAX_RING_SIZE); in pcnet32_set_ringparam()
913 if ((1 << i) != lp->rx_ring_size) in pcnet32_set_ringparam()
916 lp->napi.weight = lp->rx_ring_size / 2; in pcnet32_set_ringparam()
923 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_set_ringparam()
927 lp->rx_ring_size, lp->tx_ring_size); in pcnet32_set_ringparam()
944 return -EOPNOTSUPP; in pcnet32_get_sset_count()
954 if (test->flags == ETH_TEST_FL_OFFLINE) { in pcnet32_ethtool_test()
959 test->flags |= ETH_TEST_FL_FAILED; in pcnet32_ethtool_test()
971 const struct pcnet32_access *a = lp->a; /* access to registers */ in pcnet32_loopback_test()
972 ulong ioaddr = dev->base_addr; /* card base I/O address */ in pcnet32_loopback_test()
991 spin_lock_irqsave(&lp->lock, flags); in pcnet32_loopback_test()
992 lp->a->write_csr(ioaddr, CSR0, CSR0_STOP); /* stop the chip */ in pcnet32_loopback_test()
994 numbuffs = min(numbuffs, (int)min(lp->rx_ring_size, lp->tx_ring_size)); in pcnet32_loopback_test()
997 lp->a->reset(ioaddr); in pcnet32_loopback_test()
998 lp->a->write_csr(ioaddr, CSR4, 0x0915); /* auto tx pad */ in pcnet32_loopback_test()
1001 lp->a->write_bcr(ioaddr, 20, 2); in pcnet32_loopback_test()
1006 lp->a->write_csr(ioaddr, CSR0, CSR0_STOP); /* Set STOP bit */ in pcnet32_loopback_test()
1018 packet = skb->data; in pcnet32_loopback_test()
1020 lp->tx_skbuff[x] = skb; in pcnet32_loopback_test()
1021 lp->tx_ring[x].length = cpu_to_le16(-skb->len); in pcnet32_loopback_test()
1022 lp->tx_ring[x].misc = 0; in pcnet32_loopback_test()
1026 *packet++ = dev->dev_addr[i]; in pcnet32_loopback_test()
1028 *packet++ = dev->dev_addr[i]; in pcnet32_loopback_test()
1038 lp->tx_dma_addr[x] = in pcnet32_loopback_test()
1039 dma_map_single(&lp->pci_dev->dev, skb->data, skb->len, in pcnet32_loopback_test()
1041 if (dma_mapping_error(&lp->pci_dev->dev, lp->tx_dma_addr[x])) { in pcnet32_loopback_test()
1047 lp->tx_ring[x].base = cpu_to_le32(lp->tx_dma_addr[x]); in pcnet32_loopback_test()
1048 wmb(); /* Make sure owner changes after all others are visible */ in pcnet32_loopback_test()
1049 lp->tx_ring[x].status = cpu_to_le16(status); in pcnet32_loopback_test()
1052 x = a->read_bcr(ioaddr, 32); /* set internal loopback in BCR32 */ in pcnet32_loopback_test()
1053 a->write_bcr(ioaddr, 32, x | 0x0002); in pcnet32_loopback_test()
1056 x = a->read_csr(ioaddr, CSR15) & 0xfffc; in pcnet32_loopback_test()
1057 lp->a->write_csr(ioaddr, CSR15, x | 0x0044); in pcnet32_loopback_test()
1060 lp->a->write_csr(ioaddr, CSR0, CSR0_START); /* Set STRT bit */ in pcnet32_loopback_test()
1066 while ((lp->rx_ring[x].status & teststatus) && (ticks < 200)) { in pcnet32_loopback_test()
1067 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_loopback_test()
1069 spin_lock_irqsave(&lp->lock, flags); in pcnet32_loopback_test()
1079 lp->a->write_csr(ioaddr, CSR0, CSR0_STOP); /* Set STOP bit */ in pcnet32_loopback_test()
1086 skb = lp->rx_skbuff[x]; in pcnet32_loopback_test()
1088 pr_cont(" %02x", *(skb->data + i)); in pcnet32_loopback_test()
1096 skb = lp->rx_skbuff[x]; in pcnet32_loopback_test()
1097 packet = lp->tx_skbuff[x]->data; in pcnet32_loopback_test()
1099 if (*(skb->data + i) != packet[i]) { in pcnet32_loopback_test()
1101 "Error in compare! %2x - %02x %02x\n", in pcnet32_loopback_test()
1102 i, *(skb->data + i), packet[i]); in pcnet32_loopback_test()
1114 x = a->read_csr(ioaddr, CSR15); in pcnet32_loopback_test()
1115 a->write_csr(ioaddr, CSR15, (x & ~0x0044)); /* reset bits 6 and 2 */ in pcnet32_loopback_test()
1117 x = a->read_bcr(ioaddr, 32); /* reset internal loopback */ in pcnet32_loopback_test()
1118 a->write_bcr(ioaddr, 32, (x & ~0x0002)); in pcnet32_loopback_test()
1125 lp->a->write_bcr(ioaddr, 20, 4); /* return to 16bit mode */ in pcnet32_loopback_test()
1127 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_loopback_test()
1137 const struct pcnet32_access *a = lp->a; in pcnet32_set_phys_id()
1138 ulong ioaddr = dev->base_addr; in pcnet32_set_phys_id()
1145 spin_lock_irqsave(&lp->lock, flags); in pcnet32_set_phys_id()
1147 lp->save_regs[i - 4] = a->read_bcr(ioaddr, i); in pcnet32_set_phys_id()
1148 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_set_phys_id()
1154 spin_lock_irqsave(&lp->lock, flags); in pcnet32_set_phys_id()
1156 a->write_bcr(ioaddr, i, a->read_bcr(ioaddr, i) ^ 0x4000); in pcnet32_set_phys_id()
1157 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_set_phys_id()
1162 spin_lock_irqsave(&lp->lock, flags); in pcnet32_set_phys_id()
1164 a->write_bcr(ioaddr, i, lp->save_regs[i - 4]); in pcnet32_set_phys_id()
1165 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_set_phys_id()
1179 int status = (short)le16_to_cpu(rxp->status) >> 8; in pcnet32_rx_entry()
1187 * <[email protected]> to Russ Nelson: Even with full-sized in pcnet32_rx_entry()
1192 dev->stats.rx_errors++; /* end of a packet. */ in pcnet32_rx_entry()
1194 dev->stats.rx_frame_errors++; in pcnet32_rx_entry()
1196 dev->stats.rx_over_errors++; in pcnet32_rx_entry()
1198 dev->stats.rx_crc_errors++; in pcnet32_rx_entry()
1200 dev->stats.rx_fifo_errors++; in pcnet32_rx_entry()
1204 pkt_len = (le32_to_cpu(rxp->msg_length) & 0xfff) - 4; in pcnet32_rx_entry()
1210 dev->stats.rx_errors++; in pcnet32_rx_entry()
1215 dev->stats.rx_errors++; in pcnet32_rx_entry()
1230 new_dma_addr = dma_map_single(&lp->pci_dev->dev, in pcnet32_rx_entry()
1231 newskb->data, in pcnet32_rx_entry()
1234 if (dma_mapping_error(&lp->pci_dev->dev, new_dma_addr)) { in pcnet32_rx_entry()
1240 skb = lp->rx_skbuff[entry]; in pcnet32_rx_entry()
1241 dma_unmap_single(&lp->pci_dev->dev, in pcnet32_rx_entry()
1242 lp->rx_dma_addr[entry], in pcnet32_rx_entry()
1246 lp->rx_skbuff[entry] = newskb; in pcnet32_rx_entry()
1247 lp->rx_dma_addr[entry] = new_dma_addr; in pcnet32_rx_entry()
1248 rxp->base = cpu_to_le32(new_dma_addr); in pcnet32_rx_entry()
1257 dev->stats.rx_dropped++; in pcnet32_rx_entry()
1263 dma_sync_single_for_cpu(&lp->pci_dev->dev, in pcnet32_rx_entry()
1264 lp->rx_dma_addr[entry], pkt_len, in pcnet32_rx_entry()
1267 (unsigned char *)(lp->rx_skbuff[entry]->data), in pcnet32_rx_entry()
1269 dma_sync_single_for_device(&lp->pci_dev->dev, in pcnet32_rx_entry()
1270 lp->rx_dma_addr[entry], pkt_len, in pcnet32_rx_entry()
1273 dev->stats.rx_bytes += skb->len; in pcnet32_rx_entry()
1274 skb->protocol = eth_type_trans(skb, dev); in pcnet32_rx_entry()
1276 dev->stats.rx_packets++; in pcnet32_rx_entry()
1282 int entry = lp->cur_rx & lp->rx_mod_mask; in pcnet32_rx()
1283 struct pcnet32_rx_head *rxp = &lp->rx_ring[entry]; in pcnet32_rx()
1287 while (npackets < budget && (short)le16_to_cpu(rxp->status) >= 0) { in pcnet32_rx()
1294 rxp->buf_length = cpu_to_le16(NEG_BUF_SIZE); in pcnet32_rx()
1295 wmb(); /* Make sure owner changes after others are visible */ in pcnet32_rx()
1296 rxp->status = cpu_to_le16(0x8000); in pcnet32_rx()
1297 entry = (++lp->cur_rx) & lp->rx_mod_mask; in pcnet32_rx()
1298 rxp = &lp->rx_ring[entry]; in pcnet32_rx()
1307 unsigned int dirty_tx = lp->dirty_tx; in pcnet32_tx()
1311 while (dirty_tx != lp->cur_tx) { in pcnet32_tx()
1312 int entry = dirty_tx & lp->tx_mod_mask; in pcnet32_tx()
1313 int status = (short)le16_to_cpu(lp->tx_ring[entry].status); in pcnet32_tx()
1318 lp->tx_ring[entry].base = 0; in pcnet32_tx()
1322 int err_status = le32_to_cpu(lp->tx_ring[entry].misc); in pcnet32_tx()
1323 dev->stats.tx_errors++; in pcnet32_tx()
1328 dev->stats.tx_aborted_errors++; in pcnet32_tx()
1330 dev->stats.tx_carrier_errors++; in pcnet32_tx()
1332 dev->stats.tx_window_errors++; in pcnet32_tx()
1335 dev->stats.tx_fifo_errors++; in pcnet32_tx()
1343 dev->stats.tx_fifo_errors++; in pcnet32_tx()
1344 if (!lp->dxsuflo) { /* If controller doesn't recover ... */ in pcnet32_tx()
1354 dev->stats.collisions++; in pcnet32_tx()
1355 dev->stats.tx_packets++; in pcnet32_tx()
1359 if (lp->tx_skbuff[entry]) { in pcnet32_tx()
1360 dma_unmap_single(&lp->pci_dev->dev, in pcnet32_tx()
1361 lp->tx_dma_addr[entry], in pcnet32_tx()
1362 lp->tx_skbuff[entry]->len, in pcnet32_tx()
1364 dev_kfree_skb_any(lp->tx_skbuff[entry]); in pcnet32_tx()
1365 lp->tx_skbuff[entry] = NULL; in pcnet32_tx()
1366 lp->tx_dma_addr[entry] = 0; in pcnet32_tx()
1371 delta = (lp->cur_tx - dirty_tx) & (lp->tx_mod_mask + lp->tx_ring_size); in pcnet32_tx()
1372 if (delta > lp->tx_ring_size) { in pcnet32_tx()
1373 netif_err(lp, drv, dev, "out-of-sync dirty pointer, %d vs. %d, full=%d\n", in pcnet32_tx()
1374 dirty_tx, lp->cur_tx, lp->tx_full); in pcnet32_tx()
1375 dirty_tx += lp->tx_ring_size; in pcnet32_tx()
1376 delta -= lp->tx_ring_size; in pcnet32_tx()
1379 if (lp->tx_full && in pcnet32_tx()
1381 delta < lp->tx_ring_size - 2) { in pcnet32_tx()
1383 lp->tx_full = 0; in pcnet32_tx()
1386 lp->dirty_tx = dirty_tx; in pcnet32_tx()
1394 struct net_device *dev = lp->dev; in pcnet32_poll()
1395 unsigned long ioaddr = dev->base_addr; in pcnet32_poll()
1402 spin_lock_irqsave(&lp->lock, flags); in pcnet32_poll()
1405 lp->a->reset(ioaddr); in pcnet32_poll()
1406 lp->a->write_csr(ioaddr, CSR4, 0x0915); /* auto tx pad */ in pcnet32_poll()
1413 val = lp->a->read_csr(ioaddr, CSR3); in pcnet32_poll()
1415 lp->a->write_csr(ioaddr, CSR3, val); in pcnet32_poll()
1418 lp->a->write_csr(ioaddr, CSR0, CSR0_INTEN); in pcnet32_poll()
1421 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_poll()
1430 int j = lp->phycount * PCNET32_REGS_PER_PHY; in pcnet32_get_regs_len()
1441 const struct pcnet32_access *a = lp->a; in pcnet32_get_regs()
1442 ulong ioaddr = dev->base_addr; in pcnet32_get_regs()
1445 spin_lock_irqsave(&lp->lock, flags); in pcnet32_get_regs()
1447 csr0 = a->read_csr(ioaddr, CSR0); in pcnet32_get_regs()
1457 *buff++ = a->read_csr(ioaddr, i); in pcnet32_get_regs()
1459 *buff++ = a->read_csr(ioaddr, 112); in pcnet32_get_regs()
1460 *buff++ = a->read_csr(ioaddr, 114); in pcnet32_get_regs()
1464 *buff++ = a->read_bcr(ioaddr, i); in pcnet32_get_regs()
1469 *buff++ = a->read_bcr(ioaddr, i); in pcnet32_get_regs()
1472 if (lp->mii) { in pcnet32_get_regs()
1475 if (lp->phymask & (1 << j)) { in pcnet32_get_regs()
1477 lp->a->write_bcr(ioaddr, 33, in pcnet32_get_regs()
1479 *buff++ = lp->a->read_bcr(ioaddr, 34); in pcnet32_get_regs()
1488 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_get_regs()
1509 /* only probes for non-PCI devices, the rest are handled by
1540 pr_err("failed to enable device -- err=%d\n", err); in pcnet32_probe_pci()
1548 err = -ENODEV; in pcnet32_probe_pci()
1552 err = dma_set_mask(&pdev->dev, PCNET32_DMA_MASK); in pcnet32_probe_pci()
1563 err = -EBUSY; in pcnet32_probe_pci()
1600 int fdx, mii, fset, dxsuflo, sram; in pcnet32_probe1() local
1607 int ret = -ENODEV; in pcnet32_probe1()
1612 /* NOTE: 16-bit check is first, otherwise some older PCnet chips fail */ in pcnet32_probe1()
1628 a->read_csr(ioaddr, 88) | (a->read_csr(ioaddr, 89) << 16); in pcnet32_probe1()
1638 fdx = mii = fset = dxsuflo = sram = 0; in pcnet32_probe1()
1671 sram = 1; in pcnet32_probe1()
1682 media = a->read_bcr(ioaddr, 49); in pcnet32_probe1()
1689 a->write_bcr(ioaddr, 49, media); in pcnet32_probe1()
1695 sram = 1; in pcnet32_probe1()
1712 * one for latency - although on PCI this isn't a big loss. Older chips in pcnet32_probe1()
1718 a->write_bcr(ioaddr, 18, (a->read_bcr(ioaddr, 18) | 0x0860)); in pcnet32_probe1()
1719 a->write_csr(ioaddr, 80, in pcnet32_probe1()
1720 (a->read_csr(ioaddr, 80) & 0x0C00) | 0x0c00); in pcnet32_probe1()
1725 * The Am79C973/Am79C975 controllers come with 12K of SRAM in pcnet32_probe1()
1727 * the use of SRAM allow us to use the BCR18:NOUFLO bit to avoid in pcnet32_probe1()
1730 if (sram) { in pcnet32_probe1()
1732 * The SRAM is being configured in two steps. First we in pcnet32_probe1()
1733 * set the SRAM size in the BCR25:SRAM_SIZE bits. According in pcnet32_probe1()
1734 * to the datasheet, each bit corresponds to a 512-byte in pcnet32_probe1()
1736 * holds the value of the upper 8 bits of the 16-bit SRAM size. in pcnet32_probe1()
1737 * The low 8-bits start at 0x00 and end at 0xff. So the in pcnet32_probe1()
1741 * buffers can share the SRAM equally. in pcnet32_probe1()
1743 a->write_bcr(ioaddr, 25, 0x17); in pcnet32_probe1()
1744 a->write_bcr(ioaddr, 26, 0xc); in pcnet32_probe1()
1746 a->write_bcr(ioaddr, 18, a->read_bcr(ioaddr, 18) | (1 << 11)); in pcnet32_probe1()
1751 ret = -ENOMEM; in pcnet32_probe1()
1756 SET_NETDEV_DEV(dev, &pdev->dev); in pcnet32_probe1()
1763 * "Physical Address Registers" CSR12-14. in pcnet32_probe1()
1770 val = a->read_csr(ioaddr, i + 12) & 0x0ffff; in pcnet32_probe1()
1781 if (!ether_addr_equal(promaddr, dev->dev_addr) || in pcnet32_probe1()
1782 !is_valid_ether_addr(dev->dev_addr)) { in pcnet32_probe1()
1793 if (!is_valid_ether_addr(dev->dev_addr)) { in pcnet32_probe1()
1800 pr_cont(" %pM", dev->dev_addr); in pcnet32_probe1()
1804 i = a->read_csr(ioaddr, 80) & 0x0C00; /* Check tx_start_pt */ in pcnet32_probe1()
1820 i = a->read_bcr(ioaddr, 18); /* Check Burst/Bus control */ in pcnet32_probe1()
1830 i = a->read_bcr(ioaddr, 25); in pcnet32_probe1()
1832 i = a->read_bcr(ioaddr, 26); in pcnet32_probe1()
1834 i = a->read_bcr(ioaddr, 27); in pcnet32_probe1()
1840 dev->base_addr = ioaddr; in pcnet32_probe1()
1842 /* dma_alloc_coherent returns page-aligned memory, so we do not have to check the alignment */ in pcnet32_probe1()
1843 lp->init_block = dma_alloc_coherent(&pdev->dev, in pcnet32_probe1()
1844 sizeof(*lp->init_block), in pcnet32_probe1()
1845 &lp->init_dma_addr, GFP_KERNEL); in pcnet32_probe1()
1846 if (!lp->init_block) { in pcnet32_probe1()
1849 ret = -ENOMEM; in pcnet32_probe1()
1852 lp->pci_dev = pdev; in pcnet32_probe1()
1854 lp->dev = dev; in pcnet32_probe1()
1856 spin_lock_init(&lp->lock); in pcnet32_probe1()
1858 lp->name = chipname; in pcnet32_probe1()
1859 lp->shared_irq = shared; in pcnet32_probe1()
1860 lp->tx_ring_size = TX_RING_SIZE; /* default tx ring size */ in pcnet32_probe1()
1861 lp->rx_ring_size = RX_RING_SIZE; /* default rx ring size */ in pcnet32_probe1()
1862 lp->tx_mod_mask = lp->tx_ring_size - 1; in pcnet32_probe1()
1863 lp->rx_mod_mask = lp->rx_ring_size - 1; in pcnet32_probe1()
1864 lp->tx_len_bits = (PCNET32_LOG_TX_BUFFERS << 12); in pcnet32_probe1()
1865 lp->rx_len_bits = (PCNET32_LOG_RX_BUFFERS << 4); in pcnet32_probe1()
1866 lp->mii_if.full_duplex = fdx; in pcnet32_probe1()
1867 lp->mii_if.phy_id_mask = 0x1f; in pcnet32_probe1()
1868 lp->mii_if.reg_num_mask = 0x1f; in pcnet32_probe1()
1869 lp->dxsuflo = dxsuflo; in pcnet32_probe1()
1870 lp->mii = mii; in pcnet32_probe1()
1871 lp->chip_version = chip_version; in pcnet32_probe1()
1872 lp->msg_enable = pcnet32_debug; in pcnet32_probe1()
1875 lp->options = PCNET32_PORT_ASEL; in pcnet32_probe1()
1877 lp->options = options_mapping[options[cards_found]]; in pcnet32_probe1()
1879 if (lp->chip_version == PCNET32_79C970A) in pcnet32_probe1()
1880 lp->options = PCNET32_PORT_10BT; in pcnet32_probe1()
1881 lp->mii_if.dev = dev; in pcnet32_probe1()
1882 lp->mii_if.mdio_read = mdio_read; in pcnet32_probe1()
1883 lp->mii_if.mdio_write = mdio_write; in pcnet32_probe1()
1885 /* napi.weight is used in both the napi and non-napi cases */ in pcnet32_probe1()
1886 lp->napi.weight = lp->rx_ring_size / 2; in pcnet32_probe1()
1888 netif_napi_add_weight(dev, &lp->napi, pcnet32_poll, in pcnet32_probe1()
1889 lp->rx_ring_size / 2); in pcnet32_probe1()
1891 if (fdx && !(lp->options & PCNET32_PORT_ASEL) && in pcnet32_probe1()
1893 lp->options |= PCNET32_PORT_FD; in pcnet32_probe1()
1895 lp->a = a; in pcnet32_probe1()
1897 /* prior to register_netdev, dev->name is not yet correct */ in pcnet32_probe1()
1898 if (pcnet32_alloc_ring(dev, pci_name(lp->pci_dev))) { in pcnet32_probe1()
1899 ret = -ENOMEM; in pcnet32_probe1()
1903 if (dev->dev_addr[0] == 0x00 && dev->dev_addr[1] == 0xe0 && in pcnet32_probe1()
1904 dev->dev_addr[2] == 0x75) in pcnet32_probe1()
1905 lp->options = PCNET32_PORT_FD | PCNET32_PORT_GPSI; in pcnet32_probe1()
1907 lp->init_block->mode = cpu_to_le16(0x0003); /* Disable Rx and Tx. */ in pcnet32_probe1()
1908 lp->init_block->tlen_rlen = in pcnet32_probe1()
1909 cpu_to_le16(lp->tx_len_bits | lp->rx_len_bits); in pcnet32_probe1()
1911 lp->init_block->phys_addr[i] = dev->dev_addr[i]; in pcnet32_probe1()
1912 lp->init_block->filter[0] = 0x00000000; in pcnet32_probe1()
1913 lp->init_block->filter[1] = 0x00000000; in pcnet32_probe1()
1914 lp->init_block->rx_ring = cpu_to_le32(lp->rx_ring_dma_addr); in pcnet32_probe1()
1915 lp->init_block->tx_ring = cpu_to_le32(lp->tx_ring_dma_addr); in pcnet32_probe1()
1918 a->write_bcr(ioaddr, 20, 2); in pcnet32_probe1()
1920 a->write_csr(ioaddr, 1, (lp->init_dma_addr & 0xffff)); in pcnet32_probe1()
1921 a->write_csr(ioaddr, 2, (lp->init_dma_addr >> 16)); in pcnet32_probe1()
1924 dev->irq = pdev->irq; in pcnet32_probe1()
1926 pr_cont(" assigned IRQ %d\n", dev->irq); in pcnet32_probe1()
1931 * To auto-IRQ we enable the initialization-done and DMA error in pcnet32_probe1()
1936 a->write_csr(ioaddr, CSR0, CSR0_INTEN | CSR0_INIT); in pcnet32_probe1()
1939 dev->irq = probe_irq_off(irq_mask); in pcnet32_probe1()
1940 if (!dev->irq) { in pcnet32_probe1()
1943 ret = -ENODEV; in pcnet32_probe1()
1947 pr_cont(", probed IRQ %d\n", dev->irq); in pcnet32_probe1()
1951 if (lp->mii) { in pcnet32_probe1()
1952 /* lp->phycount and lp->phymask are set to 0 by memset above */ in pcnet32_probe1()
1954 lp->mii_if.phy_id = ((lp->a->read_bcr(ioaddr, 33)) >> 5) & 0x1f; in pcnet32_probe1()
1967 lp->phycount++; in pcnet32_probe1()
1968 lp->phymask |= (1 << i); in pcnet32_probe1()
1969 lp->mii_if.phy_id = i; in pcnet32_probe1()
1974 lp->a->write_bcr(ioaddr, 33, (lp->mii_if.phy_id) << 5); in pcnet32_probe1()
1975 if (lp->phycount > 1) in pcnet32_probe1()
1976 lp->options |= PCNET32_PORT_MII; in pcnet32_probe1()
1979 timer_setup(&lp->watchdog_timer, pcnet32_watchdog, 0); in pcnet32_probe1()
1981 /* The PCNET32-specific entries in the device structure. */ in pcnet32_probe1()
1982 dev->netdev_ops = &pcnet32_netdev_ops; in pcnet32_probe1()
1983 dev->ethtool_ops = &pcnet32_ethtool_ops; in pcnet32_probe1()
1984 dev->watchdog_timeo = (5 * HZ); in pcnet32_probe1()
1993 lp->next = pcnet32_dev; in pcnet32_probe1()
1998 pr_info("%s: registered as %s\n", dev->name, lp->name); in pcnet32_probe1()
2002 a->write_bcr(ioaddr, 2, a->read_bcr(ioaddr, 2) | 0x1000); in pcnet32_probe1()
2008 dma_free_coherent(&lp->pci_dev->dev, sizeof(*lp->init_block), in pcnet32_probe1()
2009 lp->init_block, lp->init_dma_addr); in pcnet32_probe1()
2022 lp->tx_ring = dma_alloc_coherent(&lp->pci_dev->dev, in pcnet32_alloc_ring()
2023 sizeof(struct pcnet32_tx_head) * lp->tx_ring_size, in pcnet32_alloc_ring()
2024 &lp->tx_ring_dma_addr, GFP_KERNEL); in pcnet32_alloc_ring()
2025 if (!lp->tx_ring) { in pcnet32_alloc_ring()
2027 return -ENOMEM; in pcnet32_alloc_ring()
2030 lp->rx_ring = dma_alloc_coherent(&lp->pci_dev->dev, in pcnet32_alloc_ring()
2031 sizeof(struct pcnet32_rx_head) * lp->rx_ring_size, in pcnet32_alloc_ring()
2032 &lp->rx_ring_dma_addr, GFP_KERNEL); in pcnet32_alloc_ring()
2033 if (!lp->rx_ring) { in pcnet32_alloc_ring()
2035 return -ENOMEM; in pcnet32_alloc_ring()
2038 lp->tx_dma_addr = kcalloc(lp->tx_ring_size, sizeof(dma_addr_t), in pcnet32_alloc_ring()
2040 if (!lp->tx_dma_addr) in pcnet32_alloc_ring()
2041 return -ENOMEM; in pcnet32_alloc_ring()
2043 lp->rx_dma_addr = kcalloc(lp->rx_ring_size, sizeof(dma_addr_t), in pcnet32_alloc_ring()
2045 if (!lp->rx_dma_addr) in pcnet32_alloc_ring()
2046 return -ENOMEM; in pcnet32_alloc_ring()
2048 lp->tx_skbuff = kcalloc(lp->tx_ring_size, sizeof(struct sk_buff *), in pcnet32_alloc_ring()
2050 if (!lp->tx_skbuff) in pcnet32_alloc_ring()
2051 return -ENOMEM; in pcnet32_alloc_ring()
2053 lp->rx_skbuff = kcalloc(lp->rx_ring_size, sizeof(struct sk_buff *), in pcnet32_alloc_ring()
2055 if (!lp->rx_skbuff) in pcnet32_alloc_ring()
2056 return -ENOMEM; in pcnet32_alloc_ring()
2065 kfree(lp->tx_skbuff); in pcnet32_free_ring()
2066 lp->tx_skbuff = NULL; in pcnet32_free_ring()
2068 kfree(lp->rx_skbuff); in pcnet32_free_ring()
2069 lp->rx_skbuff = NULL; in pcnet32_free_ring()
2071 kfree(lp->tx_dma_addr); in pcnet32_free_ring()
2072 lp->tx_dma_addr = NULL; in pcnet32_free_ring()
2074 kfree(lp->rx_dma_addr); in pcnet32_free_ring()
2075 lp->rx_dma_addr = NULL; in pcnet32_free_ring()
2077 if (lp->tx_ring) { in pcnet32_free_ring()
2078 dma_free_coherent(&lp->pci_dev->dev, in pcnet32_free_ring()
2079 sizeof(struct pcnet32_tx_head) * lp->tx_ring_size, in pcnet32_free_ring()
2080 lp->tx_ring, lp->tx_ring_dma_addr); in pcnet32_free_ring()
2081 lp->tx_ring = NULL; in pcnet32_free_ring()
2084 if (lp->rx_ring) { in pcnet32_free_ring()
2085 dma_free_coherent(&lp->pci_dev->dev, in pcnet32_free_ring()
2086 sizeof(struct pcnet32_rx_head) * lp->rx_ring_size, in pcnet32_free_ring()
2087 lp->rx_ring, lp->rx_ring_dma_addr); in pcnet32_free_ring()
2088 lp->rx_ring = NULL; in pcnet32_free_ring()
2095 struct pci_dev *pdev = lp->pci_dev; in pcnet32_open()
2096 unsigned long ioaddr = dev->base_addr; in pcnet32_open()
2102 if (request_irq(dev->irq, pcnet32_interrupt, in pcnet32_open()
2103 lp->shared_irq ? IRQF_SHARED : 0, dev->name, in pcnet32_open()
2105 return -EAGAIN; in pcnet32_open()
2109 spin_lock_irqsave(&lp->lock, flags); in pcnet32_open()
2111 if (!is_valid_ether_addr(dev->dev_addr)) { in pcnet32_open()
2112 rc = -EINVAL; in pcnet32_open()
2117 lp->a->reset(ioaddr); in pcnet32_open()
2120 lp->a->write_bcr(ioaddr, 20, 2); in pcnet32_open()
2124 __func__, dev->irq, (u32) (lp->tx_ring_dma_addr), in pcnet32_open()
2125 (u32) (lp->rx_ring_dma_addr), in pcnet32_open()
2126 (u32) (lp->init_dma_addr)); in pcnet32_open()
2128 lp->autoneg = !!(lp->options & PCNET32_PORT_ASEL); in pcnet32_open()
2129 lp->port_tp = !!(lp->options & PCNET32_PORT_10BT); in pcnet32_open()
2130 lp->fdx = !!(lp->options & PCNET32_PORT_FD); in pcnet32_open()
2133 val = lp->a->read_bcr(ioaddr, 2) & ~2; in pcnet32_open()
2134 if (lp->options & PCNET32_PORT_ASEL) in pcnet32_open()
2136 lp->a->write_bcr(ioaddr, 2, val); in pcnet32_open()
2139 if (lp->mii_if.full_duplex) { in pcnet32_open()
2140 val = lp->a->read_bcr(ioaddr, 9) & ~3; in pcnet32_open()
2141 if (lp->options & PCNET32_PORT_FD) { in pcnet32_open()
2143 if (lp->options == (PCNET32_PORT_FD | PCNET32_PORT_AUI)) in pcnet32_open()
2145 } else if (lp->options & PCNET32_PORT_ASEL) { in pcnet32_open()
2147 if (lp->chip_version == 0x2627) in pcnet32_open()
2150 lp->a->write_bcr(ioaddr, 9, val); in pcnet32_open()
2154 val = lp->a->read_csr(ioaddr, 124) & ~0x10; in pcnet32_open()
2155 if ((lp->options & PCNET32_PORT_PORTSEL) == PCNET32_PORT_GPSI) in pcnet32_open()
2157 lp->a->write_csr(ioaddr, 124, val); in pcnet32_open()
2160 if (pdev && pdev->subsystem_vendor == PCI_VENDOR_ID_AT && in pcnet32_open()
2161 (pdev->subsystem_device == PCI_SUBDEVICE_ID_AT_2700FX || in pcnet32_open()
2162 pdev->subsystem_device == PCI_SUBDEVICE_ID_AT_2701FX)) { in pcnet32_open()
2163 if (lp->options & PCNET32_PORT_ASEL) { in pcnet32_open()
2164 lp->options = PCNET32_PORT_FD | PCNET32_PORT_100; in pcnet32_open()
2166 "Setting 100Mb-Full Duplex\n"); in pcnet32_open()
2169 if (lp->phycount < 2) { in pcnet32_open()
2175 if (lp->mii && !(lp->options & PCNET32_PORT_ASEL)) { in pcnet32_open()
2176 lp->a->write_bcr(ioaddr, 32, in pcnet32_open()
2177 lp->a->read_bcr(ioaddr, 32) | 0x0080); in pcnet32_open()
2179 val = lp->a->read_bcr(ioaddr, 32) & ~0xb8; in pcnet32_open()
2180 if (lp->options & PCNET32_PORT_FD) in pcnet32_open()
2182 if (lp->options & PCNET32_PORT_100) in pcnet32_open()
2184 lp->a->write_bcr(ioaddr, 32, val); in pcnet32_open()
2186 if (lp->options & PCNET32_PORT_ASEL) { in pcnet32_open()
2187 lp->a->write_bcr(ioaddr, 32, in pcnet32_open()
2188 lp->a->read_bcr(ioaddr, in pcnet32_open()
2191 val = lp->a->read_bcr(ioaddr, 32) & ~0x98; in pcnet32_open()
2193 lp->a->write_bcr(ioaddr, 32, val); in pcnet32_open()
2197 int first_phy = -1; in pcnet32_open()
2206 val = lp->a->read_bcr(ioaddr, 2); in pcnet32_open()
2207 lp->a->write_bcr(ioaddr, 2, val & ~2); in pcnet32_open()
2208 val = lp->a->read_bcr(ioaddr, 32); in pcnet32_open()
2209 lp->a->write_bcr(ioaddr, 32, val & ~(1 << 7)); /* stop MII manager */ in pcnet32_open()
2211 if (!(lp->options & PCNET32_PORT_ASEL)) { in pcnet32_open()
2217 (lp->options & PCNET32_PORT_100) ? in pcnet32_open()
2219 bcr9 = lp->a->read_bcr(ioaddr, 9); in pcnet32_open()
2221 if (lp->options & PCNET32_PORT_FD) { in pcnet32_open()
2228 lp->a->write_bcr(ioaddr, 9, bcr9); in pcnet32_open()
2232 if (lp->phymask & (1 << i)) { in pcnet32_open()
2235 if (first_phy == -1) { in pcnet32_open()
2244 lp->mii_if.phy_id = i; in pcnet32_open()
2246 if (lp->options & PCNET32_PORT_ASEL) { in pcnet32_open()
2247 mii_ethtool_gset(&lp->mii_if, &ecmd); in pcnet32_open()
2250 mii_ethtool_sset(&lp->mii_if, &ecmd); in pcnet32_open()
2253 lp->mii_if.phy_id = first_phy; in pcnet32_open()
2258 if (lp->dxsuflo) { /* Disable transmit stop on underflow */ in pcnet32_open()
2259 val = lp->a->read_csr(ioaddr, CSR3); in pcnet32_open()
2261 lp->a->write_csr(ioaddr, CSR3, val); in pcnet32_open()
2265 lp->init_block->mode = in pcnet32_open()
2266 cpu_to_le16((lp->options & PCNET32_PORT_PORTSEL) << 7); in pcnet32_open()
2270 rc = -ENOMEM; in pcnet32_open()
2274 napi_enable_locked(&lp->napi); in pcnet32_open()
2276 /* Re-initialize the PCNET32, and start it when done. */ in pcnet32_open()
2277 lp->a->write_csr(ioaddr, 1, (lp->init_dma_addr & 0xffff)); in pcnet32_open()
2278 lp->a->write_csr(ioaddr, 2, (lp->init_dma_addr >> 16)); in pcnet32_open()
2280 lp->a->write_csr(ioaddr, CSR4, 0x0915); /* auto tx pad */ in pcnet32_open()
2281 lp->a->write_csr(ioaddr, CSR0, CSR0_INIT); in pcnet32_open()
2285 if (lp->chip_version >= PCNET32_79C970A) { in pcnet32_open()
2288 mod_timer(&lp->watchdog_timer, PCNET32_WATCHDOG_TIMEOUT); in pcnet32_open()
2293 if (lp->a->read_csr(ioaddr, CSR0) & CSR0_IDON) in pcnet32_open()
2299 lp->a->write_csr(ioaddr, CSR0, CSR0_NORMAL); in pcnet32_open()
2304 (u32) (lp->init_dma_addr), in pcnet32_open()
2305 lp->a->read_csr(ioaddr, CSR0)); in pcnet32_open()
2307 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_open()
2320 lp->a->write_bcr(ioaddr, 20, 4); in pcnet32_open()
2323 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_open()
2325 free_irq(dev->irq, dev); in pcnet32_open()
2332 * etc.). Modern LANCE variants always reload their ring-buffer
2336 * sent (in effect, drop the packets on the floor) - the higher-level
2338 * these skbs to a temp list and then actually re-Tx them after
2347 for (i = 0; i < lp->tx_ring_size; i++) { in pcnet32_purge_tx_ring()
2348 lp->tx_ring[i].status = 0; /* CPU owns buffer */ in pcnet32_purge_tx_ring()
2350 if (lp->tx_skbuff[i]) { in pcnet32_purge_tx_ring()
2351 if (!dma_mapping_error(&lp->pci_dev->dev, lp->tx_dma_addr[i])) in pcnet32_purge_tx_ring()
2352 dma_unmap_single(&lp->pci_dev->dev, in pcnet32_purge_tx_ring()
2353 lp->tx_dma_addr[i], in pcnet32_purge_tx_ring()
2354 lp->tx_skbuff[i]->len, in pcnet32_purge_tx_ring()
2356 dev_kfree_skb_any(lp->tx_skbuff[i]); in pcnet32_purge_tx_ring()
2358 lp->tx_skbuff[i] = NULL; in pcnet32_purge_tx_ring()
2359 lp->tx_dma_addr[i] = 0; in pcnet32_purge_tx_ring()
2369 lp->tx_full = 0; in pcnet32_init_ring()
2370 lp->cur_rx = lp->cur_tx = 0; in pcnet32_init_ring()
2371 lp->dirty_rx = lp->dirty_tx = 0; in pcnet32_init_ring()
2373 for (i = 0; i < lp->rx_ring_size; i++) { in pcnet32_init_ring()
2374 struct sk_buff *rx_skbuff = lp->rx_skbuff[i]; in pcnet32_init_ring()
2376 lp->rx_skbuff[i] = netdev_alloc_skb(dev, PKT_BUF_SKB); in pcnet32_init_ring()
2377 rx_skbuff = lp->rx_skbuff[i]; in pcnet32_init_ring()
2382 return -1; in pcnet32_init_ring()
2388 if (lp->rx_dma_addr[i] == 0) { in pcnet32_init_ring()
2389 lp->rx_dma_addr[i] = in pcnet32_init_ring()
2390 dma_map_single(&lp->pci_dev->dev, rx_skbuff->data, in pcnet32_init_ring()
2392 if (dma_mapping_error(&lp->pci_dev->dev, lp->rx_dma_addr[i])) { in pcnet32_init_ring()
2397 return -1; in pcnet32_init_ring()
2400 lp->rx_ring[i].base = cpu_to_le32(lp->rx_dma_addr[i]); in pcnet32_init_ring()
2401 lp->rx_ring[i].buf_length = cpu_to_le16(NEG_BUF_SIZE); in pcnet32_init_ring()
2402 wmb(); /* Make sure owner changes after all others are visible */ in pcnet32_init_ring()
2403 lp->rx_ring[i].status = cpu_to_le16(0x8000); in pcnet32_init_ring()
2407 for (i = 0; i < lp->tx_ring_size; i++) { in pcnet32_init_ring()
2408 lp->tx_ring[i].status = 0; /* CPU owns buffer */ in pcnet32_init_ring()
2410 lp->tx_ring[i].base = 0; in pcnet32_init_ring()
2411 lp->tx_dma_addr[i] = 0; in pcnet32_init_ring()
2414 lp->init_block->tlen_rlen = in pcnet32_init_ring()
2415 cpu_to_le16(lp->tx_len_bits | lp->rx_len_bits); in pcnet32_init_ring()
2417 lp->init_block->phys_addr[i] = dev->dev_addr[i]; in pcnet32_init_ring()
2418 lp->init_block->rx_ring = cpu_to_le32(lp->rx_ring_dma_addr); in pcnet32_init_ring()
2419 lp->init_block->tx_ring = cpu_to_le32(lp->tx_ring_dma_addr); in pcnet32_init_ring()
2425 * then flush the pending transmit operations, re-initialize the ring,
2431 unsigned long ioaddr = dev->base_addr; in pcnet32_restart()
2436 if (lp->a->read_csr(ioaddr, CSR0) & CSR0_STOP) in pcnet32_restart()
2448 lp->a->write_csr(ioaddr, CSR0, CSR0_INIT); in pcnet32_restart()
2451 if (lp->a->read_csr(ioaddr, CSR0) & CSR0_IDON) in pcnet32_restart()
2454 lp->a->write_csr(ioaddr, CSR0, csr0_bits); in pcnet32_restart()
2460 unsigned long ioaddr = dev->base_addr, flags; in pcnet32_tx_timeout()
2462 spin_lock_irqsave(&lp->lock, flags); in pcnet32_tx_timeout()
2466 dev->name, lp->a->read_csr(ioaddr, CSR0)); in pcnet32_tx_timeout()
2467 lp->a->write_csr(ioaddr, CSR0, CSR0_STOP); in pcnet32_tx_timeout()
2468 dev->stats.tx_errors++; in pcnet32_tx_timeout()
2473 lp->dirty_tx, lp->cur_tx, lp->tx_full ? " (full)" : "", in pcnet32_tx_timeout()
2474 lp->cur_rx); in pcnet32_tx_timeout()
2475 for (i = 0; i < lp->rx_ring_size; i++) in pcnet32_tx_timeout()
2477 le32_to_cpu(lp->rx_ring[i].base), in pcnet32_tx_timeout()
2478 (-le16_to_cpu(lp->rx_ring[i].buf_length)) & in pcnet32_tx_timeout()
2479 0xffff, le32_to_cpu(lp->rx_ring[i].msg_length), in pcnet32_tx_timeout()
2480 le16_to_cpu(lp->rx_ring[i].status)); in pcnet32_tx_timeout()
2481 for (i = 0; i < lp->tx_ring_size; i++) in pcnet32_tx_timeout()
2483 le32_to_cpu(lp->tx_ring[i].base), in pcnet32_tx_timeout()
2484 (-le16_to_cpu(lp->tx_ring[i].length)) & 0xffff, in pcnet32_tx_timeout()
2485 le32_to_cpu(lp->tx_ring[i].misc), in pcnet32_tx_timeout()
2486 le16_to_cpu(lp->tx_ring[i].status)); in pcnet32_tx_timeout()
2494 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_tx_timeout()
2501 unsigned long ioaddr = dev->base_addr; in pcnet32_start_xmit()
2506 spin_lock_irqsave(&lp->lock, flags); in pcnet32_start_xmit()
2510 __func__, lp->a->read_csr(ioaddr, CSR0)); in pcnet32_start_xmit()
2512 /* Default status -- will not enable Successful-TxDone in pcnet32_start_xmit()
2520 entry = lp->cur_tx & lp->tx_mod_mask; in pcnet32_start_xmit()
2525 lp->tx_ring[entry].length = cpu_to_le16(-skb->len); in pcnet32_start_xmit()
2527 lp->tx_ring[entry].misc = 0x00000000; in pcnet32_start_xmit()
2529 lp->tx_dma_addr[entry] = in pcnet32_start_xmit()
2530 dma_map_single(&lp->pci_dev->dev, skb->data, skb->len, in pcnet32_start_xmit()
2532 if (dma_mapping_error(&lp->pci_dev->dev, lp->tx_dma_addr[entry])) { in pcnet32_start_xmit()
2534 dev->stats.tx_dropped++; in pcnet32_start_xmit()
2537 lp->tx_skbuff[entry] = skb; in pcnet32_start_xmit()
2538 lp->tx_ring[entry].base = cpu_to_le32(lp->tx_dma_addr[entry]); in pcnet32_start_xmit()
2539 wmb(); /* Make sure owner changes after all others are visible */ in pcnet32_start_xmit()
2540 lp->tx_ring[entry].status = cpu_to_le16(status); in pcnet32_start_xmit()
2542 lp->cur_tx++; in pcnet32_start_xmit()
2543 dev->stats.tx_bytes += skb->len; in pcnet32_start_xmit()
2546 lp->a->write_csr(ioaddr, CSR0, CSR0_INTEN | CSR0_TXPOLL); in pcnet32_start_xmit()
2548 if (lp->tx_ring[(entry + 1) & lp->tx_mod_mask].base != 0) { in pcnet32_start_xmit()
2549 lp->tx_full = 1; in pcnet32_start_xmit()
2553 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_start_xmit()
2567 ioaddr = dev->base_addr; in pcnet32_interrupt()
2570 spin_lock(&lp->lock); in pcnet32_interrupt()
2572 csr0 = lp->a->read_csr(ioaddr, CSR0); in pcnet32_interrupt()
2573 while ((csr0 & 0x8f00) && --boguscnt >= 0) { in pcnet32_interrupt()
2577 lp->a->write_csr(ioaddr, CSR0, csr0 & ~0x004f); in pcnet32_interrupt()
2581 csr0, lp->a->read_csr(ioaddr, CSR0)); in pcnet32_interrupt()
2585 dev->stats.tx_errors++; /* Tx babble. */ in pcnet32_interrupt()
2598 dev->stats.rx_errors++; /* Missed a Rx frame. */ in pcnet32_interrupt()
2605 if (napi_schedule_prep(&lp->napi)) { in pcnet32_interrupt()
2608 val = lp->a->read_csr(ioaddr, CSR3); in pcnet32_interrupt()
2610 lp->a->write_csr(ioaddr, CSR3, val); in pcnet32_interrupt()
2612 __napi_schedule(&lp->napi); in pcnet32_interrupt()
2615 csr0 = lp->a->read_csr(ioaddr, CSR0); in pcnet32_interrupt()
2620 lp->a->read_csr(ioaddr, CSR0)); in pcnet32_interrupt()
2622 spin_unlock(&lp->lock); in pcnet32_interrupt()
2629 unsigned long ioaddr = dev->base_addr; in pcnet32_close()
2633 del_timer_sync(&lp->watchdog_timer); in pcnet32_close()
2636 napi_disable(&lp->napi); in pcnet32_close()
2638 spin_lock_irqsave(&lp->lock, flags); in pcnet32_close()
2640 dev->stats.rx_missed_errors = lp->a->read_csr(ioaddr, 112); in pcnet32_close()
2644 lp->a->read_csr(ioaddr, CSR0)); in pcnet32_close()
2646 /* We stop the PCNET32 here -- it occasionally polls memory if we don't. */ in pcnet32_close()
2647 lp->a->write_csr(ioaddr, CSR0, CSR0_STOP); in pcnet32_close()
2653 lp->a->write_bcr(ioaddr, 20, 4); in pcnet32_close()
2655 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_close()
2657 free_irq(dev->irq, dev); in pcnet32_close()
2659 spin_lock_irqsave(&lp->lock, flags); in pcnet32_close()
2664 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_close()
2672 unsigned long ioaddr = dev->base_addr; in pcnet32_get_stats()
2675 spin_lock_irqsave(&lp->lock, flags); in pcnet32_get_stats()
2676 dev->stats.rx_missed_errors = lp->a->read_csr(ioaddr, 112); in pcnet32_get_stats()
2677 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_get_stats()
2679 return &dev->stats; in pcnet32_get_stats()
2686 volatile struct pcnet32_init_block *ib = lp->init_block; in pcnet32_load_multicast()
2687 volatile __le16 *mcast_table = (__le16 *)ib->filter; in pcnet32_load_multicast()
2689 unsigned long ioaddr = dev->base_addr; in pcnet32_load_multicast()
2694 if (dev->flags & IFF_ALLMULTI) { in pcnet32_load_multicast()
2695 ib->filter[0] = cpu_to_le32(~0U); in pcnet32_load_multicast()
2696 ib->filter[1] = cpu_to_le32(~0U); in pcnet32_load_multicast()
2697 lp->a->write_csr(ioaddr, PCNET32_MC_FILTER, 0xffff); in pcnet32_load_multicast()
2698 lp->a->write_csr(ioaddr, PCNET32_MC_FILTER+1, 0xffff); in pcnet32_load_multicast()
2699 lp->a->write_csr(ioaddr, PCNET32_MC_FILTER+2, 0xffff); in pcnet32_load_multicast()
2700 lp->a->write_csr(ioaddr, PCNET32_MC_FILTER+3, 0xffff); in pcnet32_load_multicast()
2704 ib->filter[0] = 0; in pcnet32_load_multicast()
2705 ib->filter[1] = 0; in pcnet32_load_multicast()
2709 crc = ether_crc_le(6, ha->addr); in pcnet32_load_multicast()
2714 lp->a->write_csr(ioaddr, PCNET32_MC_FILTER + i, in pcnet32_load_multicast()
2723 unsigned long ioaddr = dev->base_addr, flags; in pcnet32_set_multicast_list()
2727 spin_lock_irqsave(&lp->lock, flags); in pcnet32_set_multicast_list()
2729 csr15 = lp->a->read_csr(ioaddr, CSR15); in pcnet32_set_multicast_list()
2730 if (dev->flags & IFF_PROMISC) { in pcnet32_set_multicast_list()
2733 lp->init_block->mode = in pcnet32_set_multicast_list()
2734 cpu_to_le16(0x8000 | (lp->options & PCNET32_PORT_PORTSEL) << in pcnet32_set_multicast_list()
2736 lp->a->write_csr(ioaddr, CSR15, csr15 | 0x8000); in pcnet32_set_multicast_list()
2738 lp->init_block->mode = in pcnet32_set_multicast_list()
2739 cpu_to_le16((lp->options & PCNET32_PORT_PORTSEL) << 7); in pcnet32_set_multicast_list()
2740 lp->a->write_csr(ioaddr, CSR15, csr15 & 0x7fff); in pcnet32_set_multicast_list()
2747 lp->a->write_csr(ioaddr, CSR0, CSR0_STOP); in pcnet32_set_multicast_list()
2752 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_set_multicast_list()
2755 /* This routine assumes that the lp->lock is held */
2759 unsigned long ioaddr = dev->base_addr; in mdio_read()
2762 if (!lp->mii) in mdio_read()
2765 lp->a->write_bcr(ioaddr, 33, ((phy_id & 0x1f) << 5) | (reg_num & 0x1f)); in mdio_read()
2766 val_out = lp->a->read_bcr(ioaddr, 34); in mdio_read()
2771 /* This routine assumes that the lp->lock is held */
2775 unsigned long ioaddr = dev->base_addr; in mdio_write()
2777 if (!lp->mii) in mdio_write()
2780 lp->a->write_bcr(ioaddr, 33, ((phy_id & 0x1f) << 5) | (reg_num & 0x1f)); in mdio_write()
2781 lp->a->write_bcr(ioaddr, 34, val); in mdio_write()
2791 if (lp->mii) { in pcnet32_ioctl()
2792 spin_lock_irqsave(&lp->lock, flags); in pcnet32_ioctl()
2793 rc = generic_mii_ioctl(&lp->mii_if, if_mii(rq), cmd, NULL); in pcnet32_ioctl()
2794 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_ioctl()
2796 rc = -EOPNOTSUPP; in pcnet32_ioctl()
2805 struct mii_if_info mii = lp->mii_if; in pcnet32_check_otherphy()
2810 if (i == lp->mii_if.phy_id) in pcnet32_check_otherphy()
2812 if (lp->phymask & (1 << i)) { in pcnet32_check_otherphy()
2821 mdio_read(dev, lp->mii_if.phy_id, MII_BMCR); in pcnet32_check_otherphy()
2822 mdio_write(dev, lp->mii_if.phy_id, MII_BMCR, in pcnet32_check_otherphy()
2825 /* de-isolate new phy */ in pcnet32_check_otherphy()
2831 lp->mii_if.phy_id = i; in pcnet32_check_otherphy()
2844 * Caller is assumed to hold and release the lp->lock.
2854 if (lp->mii) { in pcnet32_check_media()
2855 curr_link = mii_link_ok(&lp->mii_if); in pcnet32_check_media()
2856 } else if (lp->chip_version == PCNET32_79C970A) { in pcnet32_check_media()
2857 ulong ioaddr = dev->base_addr; /* card base I/O address */ in pcnet32_check_media()
2859 if (!lp->autoneg && lp->port_tp) in pcnet32_check_media()
2860 curr_link = (lp->a->read_bcr(ioaddr, 4) != 0xc0); in pcnet32_check_media()
2864 ulong ioaddr = dev->base_addr; /* card base I/O address */ in pcnet32_check_media()
2865 curr_link = (lp->a->read_bcr(ioaddr, 4) != 0xc0); in pcnet32_check_media()
2872 if (lp->phycount > 1) { in pcnet32_check_media()
2877 if (lp->mii) { in pcnet32_check_media()
2881 mii_ethtool_gset(&lp->mii_if, &ecmd); in pcnet32_check_media()
2882 netdev_info(dev, "link up, %uMbps, %s-duplex\n", in pcnet32_check_media()
2887 bcr9 = lp->a->read_bcr(dev->base_addr, 9); in pcnet32_check_media()
2888 if ((bcr9 & (1 << 0)) != lp->mii_if.full_duplex) { in pcnet32_check_media()
2889 if (lp->mii_if.full_duplex) in pcnet32_check_media()
2893 lp->a->write_bcr(dev->base_addr, 9, bcr9); in pcnet32_check_media()
2909 struct net_device *dev = lp->dev; in pcnet32_watchdog()
2913 spin_lock_irqsave(&lp->lock, flags); in pcnet32_watchdog()
2915 spin_unlock_irqrestore(&lp->lock, flags); in pcnet32_watchdog()
2917 mod_timer(&lp->watchdog_timer, round_jiffies(PCNET32_WATCHDOG_TIMEOUT)); in pcnet32_watchdog()
2953 release_region(dev->base_addr, PCNET32_TOTAL_SIZE); in pcnet32_remove_one()
2954 dma_free_coherent(&lp->pci_dev->dev, sizeof(*lp->init_block), in pcnet32_remove_one()
2955 lp->init_block, lp->init_dma_addr); in pcnet32_remove_one()
2974 static int debug = -1;
2975 static int tx_start_pt = -1;
2985 DRV_NAME " copy breakpoint for copy-only-tiny-frames");
2987 MODULE_PARM_DESC(tx_start_pt, DRV_NAME " transmit start point (0-3)");
2991 MODULE_PARM_DESC(options, DRV_NAME " initial option setting(s) (0-15)");
3024 return (pcnet32_have_pci + cards_found) ? 0 : -ENODEV; in pcnet32_init_module()
3033 next_dev = lp->next; in pcnet32_cleanup_module()
3036 release_region(pcnet32_dev->base_addr, PCNET32_TOTAL_SIZE); in pcnet32_cleanup_module()
3037 dma_free_coherent(&lp->pci_dev->dev, sizeof(*lp->init_block), in pcnet32_cleanup_module()
3038 lp->init_block, lp->init_dma_addr); in pcnet32_cleanup_module()