/**
* et131x_tx_timeout - Timeout handler
* @netdev: a pointer to a net_device struct representing the device
*
* The handler called when a Tx request times out. The timeout period is
* specified by the 'tx_timeo" element in the net_device structure (see
* et131x_alloc_device() to see how this value is set).
*/
void et131x_tx_timeout(struct net_device *netdev)
{
struct et131x_adapter *etdev = netdev_priv(netdev);
struct tcb *tcb;
unsigned long flags;
/* Just skip this part if the adapter is doing link detection */
if (etdev->Flags & fMP_ADAPTER_LINK_DETECTION)
return;
/* Any nonrecoverable hardware error?
* Checks adapter->flags for any failure in phy reading
*/
if (etdev->Flags & fMP_ADAPTER_NON_RECOVER_ERROR)
return;
/* Hardware failure? */
if (etdev->Flags & fMP_ADAPTER_HARDWARE_ERROR) {
dev_err(&etdev->pdev->dev, "hardware error - reset\n");
return;
}
/* Is send stuck? */
spin_lock_irqsave(&etdev->TCBSendQLock, flags);
tcb = etdev->tx_ring.send_head;
if (tcb != NULL) {
tcb->count++;
if (tcb->count > NIC_SEND_HANG_THRESHOLD) {
spin_unlock_irqrestore(&etdev->TCBSendQLock,
flags);
dev_warn(&etdev->pdev->dev,
"Send stuck - reset. tcb->WrIndex %x, Flags 0x%08x\n",
tcb->index,
tcb->flags);
et131x_close(netdev);
et131x_open(netdev);
return;
}
}
spin_unlock_irqrestore(&etdev->TCBSendQLock, flags);
}
/**
* et131x_tx_timeout - Timeout handler
* @netdev: a pointer to a net_device struct representing the device
*
* The handler called when a Tx request times out. The timeout period is
* specified by the 'tx_timeo" element in the net_device structure (see
* et131x_alloc_device() to see how this value is set).
*/
void et131x_tx_timeout(struct net_device *netdev)
{
struct et131x_adapter *pAdapter = netdev_priv(netdev);
PMP_TCB pMpTcb;
unsigned long lockflags;
DBG_WARNING(et131x_dbginfo, "TX TIMEOUT\n");
/* Just skip this part if the adapter is doing link detection */
if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_LINK_DETECTION)) {
DBG_ERROR(et131x_dbginfo, "Still doing link detection\n");
return;
}
/* Any nonrecoverable hardware error?
* Checks adapter->flags for any failure in phy reading
*/
if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_NON_RECOVER_ERROR)) {
DBG_WARNING(et131x_dbginfo, "Non recoverable error - remove\n");
return;
}
/* Hardware failure? */
if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_HARDWARE_ERROR)) {
DBG_WARNING(et131x_dbginfo, "hardware error - reset\n");
return;
}
/* Is send stuck? */
spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags);
pMpTcb = pAdapter->TxRing.CurrSendHead;
if (pMpTcb != NULL) {
pMpTcb->Count++;
if (pMpTcb->Count > NIC_SEND_HANG_THRESHOLD) {
#ifdef CONFIG_ET131X_DEBUG
TX_STATUS_BLOCK_t txDmaComplete =
*(pAdapter->TxRing.pTxStatusVa);
PTX_DESC_ENTRY_t pDesc =
pAdapter->TxRing.pTxDescRingVa +
pMpTcb->WrIndex.bits.val;
#endif
TX_DESC_ENTRY_t StuckDescriptors[10];
if (pMpTcb->WrIndex.bits.val > 7) {
memcpy(StuckDescriptors,
pAdapter->TxRing.pTxDescRingVa +
pMpTcb->WrIndex.bits.val - 6,
sizeof(TX_DESC_ENTRY_t) * 10);
}
spin_unlock_irqrestore(&pAdapter->TCBSendQLock,
lockflags);
DBG_WARNING(et131x_dbginfo,
"Send stuck - reset. pMpTcb->WrIndex %x, Flags 0x%08x\n",
pMpTcb->WrIndex.bits.val,
pMpTcb->Flags);
DBG_WARNING(et131x_dbginfo,
"pDesc 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
pDesc->DataBufferPtrHigh,
pDesc->DataBufferPtrLow, pDesc->word2.value,
pDesc->word3.value);
DBG_WARNING(et131x_dbginfo,
"WbStatus 0x%08x\n", txDmaComplete.value);
#ifdef CONFIG_ET131X_DEBUG
DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 0);
DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 1);
DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 3);
DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 5);
#endif
et131x_close(netdev);
et131x_open(netdev);
return;
}
}
spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags);
}
