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path: root/drivers/net/hamachi.c
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Diffstat (limited to 'drivers/net/hamachi.c')
-rw-r--r--drivers/net/hamachi.c70
1 files changed, 37 insertions, 33 deletions
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index ed407c85708f..b53f6b6491b3 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -204,8 +204,10 @@ KERN_INFO " Further modifications by Keith Underwood <keithu@parl.clemson.edu>
204/* Condensed bus+endian portability operations. */ 204/* Condensed bus+endian portability operations. */
205#if ADDRLEN == 64 205#if ADDRLEN == 64
206#define cpu_to_leXX(addr) cpu_to_le64(addr) 206#define cpu_to_leXX(addr) cpu_to_le64(addr)
207#define leXX_to_cpu(addr) le64_to_cpu(addr)
207#else 208#else
208#define cpu_to_leXX(addr) cpu_to_le32(addr) 209#define cpu_to_leXX(addr) cpu_to_le32(addr)
210#define leXX_to_cpu(addr) le32_to_cpu(addr)
209#endif 211#endif
210 212
211 213
@@ -465,12 +467,12 @@ enum intr_status_bits {
465 467
466/* The Hamachi Rx and Tx buffer descriptors. */ 468/* The Hamachi Rx and Tx buffer descriptors. */
467struct hamachi_desc { 469struct hamachi_desc {
468 u32 status_n_length; 470 __le32 status_n_length;
469#if ADDRLEN == 64 471#if ADDRLEN == 64
470 u32 pad; 472 u32 pad;
471 u64 addr; 473 __le64 addr;
472#else 474#else
473 u32 addr; 475 __le32 addr;
474#endif 476#endif
475}; 477};
476 478
@@ -874,13 +876,13 @@ static int hamachi_open(struct net_device *dev)
874 876
875#if ADDRLEN == 64 877#if ADDRLEN == 64
876 /* writellll anyone ? */ 878 /* writellll anyone ? */
877 writel(cpu_to_le64(hmp->rx_ring_dma), ioaddr + RxPtr); 879 writel(hmp->rx_ring_dma, ioaddr + RxPtr);
878 writel(cpu_to_le64(hmp->rx_ring_dma) >> 32, ioaddr + RxPtr + 4); 880 writel(hmp->rx_ring_dma >> 32, ioaddr + RxPtr + 4);
879 writel(cpu_to_le64(hmp->tx_ring_dma), ioaddr + TxPtr); 881 writel(hmp->tx_ring_dma, ioaddr + TxPtr);
880 writel(cpu_to_le64(hmp->tx_ring_dma) >> 32, ioaddr + TxPtr + 4); 882 writel(hmp->tx_ring_dma >> 32, ioaddr + TxPtr + 4);
881#else 883#else
882 writel(cpu_to_le32(hmp->rx_ring_dma), ioaddr + RxPtr); 884 writel(hmp->rx_ring_dma, ioaddr + RxPtr);
883 writel(cpu_to_le32(hmp->tx_ring_dma), ioaddr + TxPtr); 885 writel(hmp->tx_ring_dma, ioaddr + TxPtr);
884#endif 886#endif
885 887
886 /* TODO: It would make sense to organize this as words since the card 888 /* TODO: It would make sense to organize this as words since the card
@@ -1019,8 +1021,8 @@ static inline int hamachi_tx(struct net_device *dev)
1019 skb = hmp->tx_skbuff[entry]; 1021 skb = hmp->tx_skbuff[entry];
1020 if (skb) { 1022 if (skb) {
1021 pci_unmap_single(hmp->pci_dev, 1023 pci_unmap_single(hmp->pci_dev,
1022 hmp->tx_ring[entry].addr, skb->len, 1024 leXX_to_cpu(hmp->tx_ring[entry].addr),
1023 PCI_DMA_TODEVICE); 1025 skb->len, PCI_DMA_TODEVICE);
1024 dev_kfree_skb(skb); 1026 dev_kfree_skb(skb);
1025 hmp->tx_skbuff[entry] = NULL; 1027 hmp->tx_skbuff[entry] = NULL;
1026 } 1028 }
@@ -1071,10 +1073,10 @@ static void hamachi_tx_timeout(struct net_device *dev)
1071 { 1073 {
1072 printk(KERN_DEBUG " Rx ring %p: ", hmp->rx_ring); 1074 printk(KERN_DEBUG " Rx ring %p: ", hmp->rx_ring);
1073 for (i = 0; i < RX_RING_SIZE; i++) 1075 for (i = 0; i < RX_RING_SIZE; i++)
1074 printk(" %8.8x", (unsigned int)hmp->rx_ring[i].status_n_length); 1076 printk(" %8.8x", le32_to_cpu(hmp->rx_ring[i].status_n_length));
1075 printk("\n"KERN_DEBUG" Tx ring %p: ", hmp->tx_ring); 1077 printk("\n"KERN_DEBUG" Tx ring %p: ", hmp->tx_ring);
1076 for (i = 0; i < TX_RING_SIZE; i++) 1078 for (i = 0; i < TX_RING_SIZE; i++)
1077 printk(" %4.4x", hmp->tx_ring[i].status_n_length); 1079 printk(" %4.4x", le32_to_cpu(hmp->tx_ring[i].status_n_length));
1078 printk("\n"); 1080 printk("\n");
1079 } 1081 }
1080 1082
@@ -1099,14 +1101,15 @@ static void hamachi_tx_timeout(struct net_device *dev)
1099 struct sk_buff *skb; 1101 struct sk_buff *skb;
1100 1102
1101 if (i >= TX_RING_SIZE - 1) 1103 if (i >= TX_RING_SIZE - 1)
1102 hmp->tx_ring[i].status_n_length = cpu_to_le32( 1104 hmp->tx_ring[i].status_n_length =
1103 DescEndRing | 1105 cpu_to_le32(DescEndRing) |
1104 (hmp->tx_ring[i].status_n_length & 0x0000FFFF)); 1106 (hmp->tx_ring[i].status_n_length &
1107 cpu_to_le32(0x0000ffff));
1105 else 1108 else
1106 hmp->tx_ring[i].status_n_length &= 0x0000ffff; 1109 hmp->tx_ring[i].status_n_length &= cpu_to_le32(0x0000ffff);
1107 skb = hmp->tx_skbuff[i]; 1110 skb = hmp->tx_skbuff[i];
1108 if (skb){ 1111 if (skb){
1109 pci_unmap_single(hmp->pci_dev, hmp->tx_ring[i].addr, 1112 pci_unmap_single(hmp->pci_dev, leXX_to_cpu(hmp->tx_ring[i].addr),
1110 skb->len, PCI_DMA_TODEVICE); 1113 skb->len, PCI_DMA_TODEVICE);
1111 dev_kfree_skb(skb); 1114 dev_kfree_skb(skb);
1112 hmp->tx_skbuff[i] = NULL; 1115 hmp->tx_skbuff[i] = NULL;
@@ -1128,7 +1131,8 @@ static void hamachi_tx_timeout(struct net_device *dev)
1128 struct sk_buff *skb = hmp->rx_skbuff[i]; 1131 struct sk_buff *skb = hmp->rx_skbuff[i];
1129 1132
1130 if (skb){ 1133 if (skb){
1131 pci_unmap_single(hmp->pci_dev, hmp->rx_ring[i].addr, 1134 pci_unmap_single(hmp->pci_dev,
1135 leXX_to_cpu(hmp->rx_ring[i].addr),
1132 hmp->rx_buf_sz, PCI_DMA_FROMDEVICE); 1136 hmp->rx_buf_sz, PCI_DMA_FROMDEVICE);
1133 dev_kfree_skb(skb); 1137 dev_kfree_skb(skb);
1134 hmp->rx_skbuff[i] = NULL; 1138 hmp->rx_skbuff[i] = NULL;
@@ -1420,7 +1424,7 @@ static irqreturn_t hamachi_interrupt(int irq, void *dev_instance)
1420 /* Free the original skb. */ 1424 /* Free the original skb. */
1421 if (skb){ 1425 if (skb){
1422 pci_unmap_single(hmp->pci_dev, 1426 pci_unmap_single(hmp->pci_dev,
1423 hmp->tx_ring[entry].addr, 1427 leXX_to_cpu(hmp->tx_ring[entry].addr),
1424 skb->len, 1428 skb->len,
1425 PCI_DMA_TODEVICE); 1429 PCI_DMA_TODEVICE);
1426 dev_kfree_skb_irq(skb); 1430 dev_kfree_skb_irq(skb);
@@ -1500,11 +1504,11 @@ static int hamachi_rx(struct net_device *dev)
1500 if (desc_status & DescOwn) 1504 if (desc_status & DescOwn)
1501 break; 1505 break;
1502 pci_dma_sync_single_for_cpu(hmp->pci_dev, 1506 pci_dma_sync_single_for_cpu(hmp->pci_dev,
1503 desc->addr, 1507 leXX_to_cpu(desc->addr),
1504 hmp->rx_buf_sz, 1508 hmp->rx_buf_sz,
1505 PCI_DMA_FROMDEVICE); 1509 PCI_DMA_FROMDEVICE);
1506 buf_addr = (u8 *) hmp->rx_skbuff[entry]->data; 1510 buf_addr = (u8 *) hmp->rx_skbuff[entry]->data;
1507 frame_status = le32_to_cpu(get_unaligned((s32*)&(buf_addr[data_size - 12]))); 1511 frame_status = le32_to_cpu(get_unaligned((__le32*)&(buf_addr[data_size - 12])));
1508 if (hamachi_debug > 4) 1512 if (hamachi_debug > 4)
1509 printk(KERN_DEBUG " hamachi_rx() status was %8.8x.\n", 1513 printk(KERN_DEBUG " hamachi_rx() status was %8.8x.\n",
1510 frame_status); 1514 frame_status);
@@ -1518,9 +1522,9 @@ static int hamachi_rx(struct net_device *dev)
1518 dev->name, desc, &hmp->rx_ring[hmp->cur_rx % RX_RING_SIZE]); 1522 dev->name, desc, &hmp->rx_ring[hmp->cur_rx % RX_RING_SIZE]);
1519 printk(KERN_WARNING "%s: Oversized Ethernet frame -- next status %x/%x last status %x.\n", 1523 printk(KERN_WARNING "%s: Oversized Ethernet frame -- next status %x/%x last status %x.\n",
1520 dev->name, 1524 dev->name,
1521 hmp->rx_ring[(hmp->cur_rx+1) % RX_RING_SIZE].status_n_length & 0xffff0000, 1525 le32_to_cpu(hmp->rx_ring[(hmp->cur_rx+1) % RX_RING_SIZE].status_n_length) & 0xffff0000,
1522 hmp->rx_ring[(hmp->cur_rx+1) % RX_RING_SIZE].status_n_length & 0x0000ffff, 1526 le32_to_cpu(hmp->rx_ring[(hmp->cur_rx+1) % RX_RING_SIZE].status_n_length) & 0x0000ffff,
1523 hmp->rx_ring[(hmp->cur_rx-1) % RX_RING_SIZE].status_n_length); 1527 le32_to_cpu(hmp->rx_ring[(hmp->cur_rx-1) % RX_RING_SIZE].status_n_length));
1524 hmp->stats.rx_length_errors++; 1528 hmp->stats.rx_length_errors++;
1525 } /* else Omit for prototype errata??? */ 1529 } /* else Omit for prototype errata??? */
1526 if (frame_status & 0x00380000) { 1530 if (frame_status & 0x00380000) {
@@ -1566,7 +1570,7 @@ static int hamachi_rx(struct net_device *dev)
1566#endif 1570#endif
1567 skb_reserve(skb, 2); /* 16 byte align the IP header */ 1571 skb_reserve(skb, 2); /* 16 byte align the IP header */
1568 pci_dma_sync_single_for_cpu(hmp->pci_dev, 1572 pci_dma_sync_single_for_cpu(hmp->pci_dev,
1569 hmp->rx_ring[entry].addr, 1573 leXX_to_cpu(hmp->rx_ring[entry].addr),
1570 hmp->rx_buf_sz, 1574 hmp->rx_buf_sz,
1571 PCI_DMA_FROMDEVICE); 1575 PCI_DMA_FROMDEVICE);
1572 /* Call copy + cksum if available. */ 1576 /* Call copy + cksum if available. */
@@ -1579,12 +1583,12 @@ static int hamachi_rx(struct net_device *dev)
1579 + entry*sizeof(*desc), pkt_len); 1583 + entry*sizeof(*desc), pkt_len);
1580#endif 1584#endif
1581 pci_dma_sync_single_for_device(hmp->pci_dev, 1585 pci_dma_sync_single_for_device(hmp->pci_dev,
1582 hmp->rx_ring[entry].addr, 1586 leXX_to_cpu(hmp->rx_ring[entry].addr),
1583 hmp->rx_buf_sz, 1587 hmp->rx_buf_sz,
1584 PCI_DMA_FROMDEVICE); 1588 PCI_DMA_FROMDEVICE);
1585 } else { 1589 } else {
1586 pci_unmap_single(hmp->pci_dev, 1590 pci_unmap_single(hmp->pci_dev,
1587 hmp->rx_ring[entry].addr, 1591 leXX_to_cpu(hmp->rx_ring[entry].addr),
1588 hmp->rx_buf_sz, PCI_DMA_FROMDEVICE); 1592 hmp->rx_buf_sz, PCI_DMA_FROMDEVICE);
1589 skb_put(skb = hmp->rx_skbuff[entry], pkt_len); 1593 skb_put(skb = hmp->rx_skbuff[entry], pkt_len);
1590 hmp->rx_skbuff[entry] = NULL; 1594 hmp->rx_skbuff[entry] = NULL;
@@ -1787,21 +1791,21 @@ static int hamachi_close(struct net_device *dev)
1787 for (i = 0; i < RX_RING_SIZE; i++) { 1791 for (i = 0; i < RX_RING_SIZE; i++) {
1788 skb = hmp->rx_skbuff[i]; 1792 skb = hmp->rx_skbuff[i];
1789 hmp->rx_ring[i].status_n_length = 0; 1793 hmp->rx_ring[i].status_n_length = 0;
1790 hmp->rx_ring[i].addr = 0xBADF00D0; /* An invalid address. */
1791 if (skb) { 1794 if (skb) {
1792 pci_unmap_single(hmp->pci_dev, 1795 pci_unmap_single(hmp->pci_dev,
1793 hmp->rx_ring[i].addr, hmp->rx_buf_sz, 1796 leXX_to_cpu(hmp->rx_ring[i].addr),
1794 PCI_DMA_FROMDEVICE); 1797 hmp->rx_buf_sz, PCI_DMA_FROMDEVICE);
1795 dev_kfree_skb(skb); 1798 dev_kfree_skb(skb);
1796 hmp->rx_skbuff[i] = NULL; 1799 hmp->rx_skbuff[i] = NULL;
1797 } 1800 }
1801 hmp->rx_ring[i].addr = cpu_to_leXX(0xBADF00D0); /* An invalid address. */
1798 } 1802 }
1799 for (i = 0; i < TX_RING_SIZE; i++) { 1803 for (i = 0; i < TX_RING_SIZE; i++) {
1800 skb = hmp->tx_skbuff[i]; 1804 skb = hmp->tx_skbuff[i];
1801 if (skb) { 1805 if (skb) {
1802 pci_unmap_single(hmp->pci_dev, 1806 pci_unmap_single(hmp->pci_dev,
1803 hmp->tx_ring[i].addr, skb->len, 1807 leXX_to_cpu(hmp->tx_ring[i].addr),
1804 PCI_DMA_TODEVICE); 1808 skb->len, PCI_DMA_TODEVICE);
1805 dev_kfree_skb(skb); 1809 dev_kfree_skb(skb);
1806 hmp->tx_skbuff[i] = NULL; 1810 hmp->tx_skbuff[i] = NULL;
1807 } 1811 }
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-21 11:13:38 -0500