Commit 325a8071 authored by Al Viro's avatar Al Viro Committed by Linus Torvalds

ipg: endianness fixes

if your mask is host-endian, you should apply it after le64_to_cpu();
if it's little-endian - before.  Doing both (for the same mask and
little-endian value) is broken.
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 857e37dc
...@@ -754,7 +754,7 @@ static int init_rfdlist(struct net_device *dev) ...@@ -754,7 +754,7 @@ static int init_rfdlist(struct net_device *dev)
if (sp->RxBuff[i]) { if (sp->RxBuff[i]) {
pci_unmap_single(sp->pdev, pci_unmap_single(sp->pdev,
le64_to_cpu(rxfd->frag_info & ~IPG_RFI_FRAGLEN), le64_to_cpu(rxfd->frag_info) & ~IPG_RFI_FRAGLEN,
sp->rx_buf_sz, PCI_DMA_FROMDEVICE); sp->rx_buf_sz, PCI_DMA_FROMDEVICE);
IPG_DEV_KFREE_SKB(sp->RxBuff[i]); IPG_DEV_KFREE_SKB(sp->RxBuff[i]);
sp->RxBuff[i] = NULL; sp->RxBuff[i] = NULL;
...@@ -871,7 +871,7 @@ static void ipg_nic_txfree(struct net_device *dev) ...@@ -871,7 +871,7 @@ static void ipg_nic_txfree(struct net_device *dev)
/* Free the transmit buffer. */ /* Free the transmit buffer. */
if (skb) { if (skb) {
pci_unmap_single(sp->pdev, pci_unmap_single(sp->pdev,
le64_to_cpu(txfd->frag_info & ~IPG_TFI_FRAGLEN), le64_to_cpu(txfd->frag_info) & ~IPG_TFI_FRAGLEN,
skb->len, PCI_DMA_TODEVICE); skb->len, PCI_DMA_TODEVICE);
IPG_DEV_KFREE_SKB(skb); IPG_DEV_KFREE_SKB(skb);
...@@ -1413,10 +1413,10 @@ static int ipg_nic_rx(struct net_device *dev) ...@@ -1413,10 +1413,10 @@ static int ipg_nic_rx(struct net_device *dev)
framelen = IPG_RXFRAG_SIZE; framelen = IPG_RXFRAG_SIZE;
} }
if ((IPG_DROP_ON_RX_ETH_ERRORS && (le64_to_cpu(rxfd->rfs & if ((IPG_DROP_ON_RX_ETH_ERRORS && (le64_to_cpu(rxfd->rfs) &
(IPG_RFS_RXFIFOOVERRUN | IPG_RFS_RXRUNTFRAME | (IPG_RFS_RXFIFOOVERRUN | IPG_RFS_RXRUNTFRAME |
IPG_RFS_RXALIGNMENTERROR | IPG_RFS_RXFCSERROR | IPG_RFS_RXALIGNMENTERROR | IPG_RFS_RXFCSERROR |
IPG_RFS_RXOVERSIZEDFRAME | IPG_RFS_RXLENGTHERROR))))) { IPG_RFS_RXOVERSIZEDFRAME | IPG_RFS_RXLENGTHERROR)))) {
IPG_DEBUG_MSG("Rx error, RFS = %16.16lx\n", IPG_DEBUG_MSG("Rx error, RFS = %16.16lx\n",
(unsigned long int) rxfd->rfs); (unsigned long int) rxfd->rfs);
...@@ -1425,27 +1425,27 @@ static int ipg_nic_rx(struct net_device *dev) ...@@ -1425,27 +1425,27 @@ static int ipg_nic_rx(struct net_device *dev)
sp->stats.rx_errors++; sp->stats.rx_errors++;
/* Increment detailed receive error statistics. */ /* Increment detailed receive error statistics. */
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXFIFOOVERRUN)) { if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXFIFOOVERRUN) {
IPG_DEBUG_MSG("RX FIFO overrun occured.\n"); IPG_DEBUG_MSG("RX FIFO overrun occured.\n");
sp->stats.rx_fifo_errors++; sp->stats.rx_fifo_errors++;
} }
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXRUNTFRAME)) { if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXRUNTFRAME) {
IPG_DEBUG_MSG("RX runt occured.\n"); IPG_DEBUG_MSG("RX runt occured.\n");
sp->stats.rx_length_errors++; sp->stats.rx_length_errors++;
} }
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXOVERSIZEDFRAME)) ; if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXOVERSIZEDFRAME) ;
/* Do nothing, error count handled by a IPG /* Do nothing, error count handled by a IPG
* statistic register. * statistic register.
*/ */
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXALIGNMENTERROR)) { if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXALIGNMENTERROR) {
IPG_DEBUG_MSG("RX alignment error occured.\n"); IPG_DEBUG_MSG("RX alignment error occured.\n");
sp->stats.rx_frame_errors++; sp->stats.rx_frame_errors++;
} }
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXFCSERROR)) ; if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXFCSERROR) ;
/* Do nothing, error count handled by a IPG /* Do nothing, error count handled by a IPG
* statistic register. * statistic register.
*/ */
...@@ -1455,10 +1455,10 @@ static int ipg_nic_rx(struct net_device *dev) ...@@ -1455,10 +1455,10 @@ static int ipg_nic_rx(struct net_device *dev)
* not pass it to higher layer processes. * not pass it to higher layer processes.
*/ */
if (skb) { if (skb) {
u64 info = rxfd->frag_info; __le64 info = rxfd->frag_info;
pci_unmap_single(sp->pdev, pci_unmap_single(sp->pdev,
le64_to_cpu(info & ~IPG_RFI_FRAGLEN), le64_to_cpu(info) & ~IPG_RFI_FRAGLEN,
sp->rx_buf_sz, PCI_DMA_FROMDEVICE); sp->rx_buf_sz, PCI_DMA_FROMDEVICE);
IPG_DEV_KFREE_SKB(skb); IPG_DEV_KFREE_SKB(skb);
...@@ -1532,9 +1532,9 @@ static int ipg_nic_rx(struct net_device *dev) ...@@ -1532,9 +1532,9 @@ static int ipg_nic_rx(struct net_device *dev)
if (!i) if (!i)
sp->EmptyRFDListCount++; sp->EmptyRFDListCount++;
#endif #endif
while ((le64_to_cpu(rxfd->rfs & IPG_RFS_RFDDONE)) && while ((le64_to_cpu(rxfd->rfs) & IPG_RFS_RFDDONE) &&
!((le64_to_cpu(rxfd->rfs & IPG_RFS_FRAMESTART)) && !((le64_to_cpu(rxfd->rfs) & IPG_RFS_FRAMESTART) &&
(le64_to_cpu(rxfd->rfs & IPG_RFS_FRAMEEND)))) { (le64_to_cpu(rxfd->rfs) & IPG_RFS_FRAMEEND))) {
unsigned int entry = curr++ % IPG_RFDLIST_LENGTH; unsigned int entry = curr++ % IPG_RFDLIST_LENGTH;
rxfd = sp->rxd + entry; rxfd = sp->rxd + entry;
...@@ -1552,7 +1552,7 @@ static int ipg_nic_rx(struct net_device *dev) ...@@ -1552,7 +1552,7 @@ static int ipg_nic_rx(struct net_device *dev)
*/ */
if (sp->RxBuff[entry]) { if (sp->RxBuff[entry]) {
pci_unmap_single(sp->pdev, pci_unmap_single(sp->pdev,
le64_to_cpu(rxfd->frag_info & ~IPG_RFI_FRAGLEN), le64_to_cpu(rxfd->frag_info) & ~IPG_RFI_FRAGLEN,
sp->rx_buf_sz, PCI_DMA_FROMDEVICE); sp->rx_buf_sz, PCI_DMA_FROMDEVICE);
IPG_DEV_KFREE_SKB(sp->RxBuff[entry]); IPG_DEV_KFREE_SKB(sp->RxBuff[entry]);
} }
...@@ -1730,7 +1730,7 @@ static void ipg_rx_clear(struct ipg_nic_private *sp) ...@@ -1730,7 +1730,7 @@ static void ipg_rx_clear(struct ipg_nic_private *sp)
IPG_DEV_KFREE_SKB(sp->RxBuff[i]); IPG_DEV_KFREE_SKB(sp->RxBuff[i]);
sp->RxBuff[i] = NULL; sp->RxBuff[i] = NULL;
pci_unmap_single(sp->pdev, pci_unmap_single(sp->pdev,
le64_to_cpu(rxfd->frag_info & ~IPG_RFI_FRAGLEN), le64_to_cpu(rxfd->frag_info) & ~IPG_RFI_FRAGLEN,
sp->rx_buf_sz, PCI_DMA_FROMDEVICE); sp->rx_buf_sz, PCI_DMA_FROMDEVICE);
} }
} }
...@@ -1745,7 +1745,7 @@ static void ipg_tx_clear(struct ipg_nic_private *sp) ...@@ -1745,7 +1745,7 @@ static void ipg_tx_clear(struct ipg_nic_private *sp)
struct ipg_tx *txfd = sp->txd + i; struct ipg_tx *txfd = sp->txd + i;
pci_unmap_single(sp->pdev, pci_unmap_single(sp->pdev,
le64_to_cpu(txfd->frag_info & ~IPG_TFI_FRAGLEN), le64_to_cpu(txfd->frag_info) & ~IPG_TFI_FRAGLEN,
sp->TxBuff[i]->len, PCI_DMA_TODEVICE); sp->TxBuff[i]->len, PCI_DMA_TODEVICE);
IPG_DEV_KFREE_SKB(sp->TxBuff[i]); IPG_DEV_KFREE_SKB(sp->TxBuff[i]);
......
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