diff options
author | Alan Cox <alan@linux.intel.com> | 2009-08-27 11:03:09 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-15 12:02:29 -0700 |
commit | 15700039b108fccc36507bcabdd4dda93f7c4c61 (patch) | |
tree | 31629674e011fb606072d89b913aa169cc689fbc /drivers/staging/et131x/et1310_tx.c | |
parent | Staging: et131x: kill the loopback type (diff) | |
download | linux-dev-15700039b108fccc36507bcabdd4dda93f7c4c61.tar.xz linux-dev-15700039b108fccc36507bcabdd4dda93f7c4c61.zip |
Staging: et131x: prune all the debug code
We don't need it, we have a perfectly good set of debug tools. For this pass
keep a few debug printks around which are "should not happen" items
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/et131x/et1310_tx.c')
-rw-r--r-- | drivers/staging/et131x/et1310_tx.c | 592 |
1 files changed, 11 insertions, 581 deletions
diff --git a/drivers/staging/et131x/et1310_tx.c b/drivers/staging/et131x/et1310_tx.c index 4c18e9a2d2e8..387a697c4af8 100644 --- a/drivers/staging/et131x/et1310_tx.c +++ b/drivers/staging/et131x/et1310_tx.c @@ -56,7 +56,6 @@ */ #include "et131x_version.h" -#include "et131x_debug.h" #include "et131x_defs.h" #include <linux/pci.h> @@ -95,11 +94,6 @@ #include "et1310_tx.h" -/* Data for debugging facilities */ -#ifdef CONFIG_ET131X_DEBUG -extern dbg_info_t *et131x_dbginfo; -#endif /* CONFIG_ET131X_DEBUG */ - static void et131x_update_tcb_list(struct et131x_adapter *etdev); static void et131x_check_send_wait_list(struct et131x_adapter *etdev); static inline void et131x_free_send_packet(struct et131x_adapter *etdev, @@ -125,14 +119,11 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter) int desc_size = 0; TX_RING_t *tx_ring = &adapter->TxRing; - DBG_ENTER(et131x_dbginfo); - /* Allocate memory for the TCB's (Transmit Control Block) */ adapter->TxRing.MpTcbMem = (MP_TCB *)kcalloc(NUM_TCB, sizeof(MP_TCB), GFP_ATOMIC | GFP_DMA); if (!adapter->TxRing.MpTcbMem) { - DBG_ERROR(et131x_dbginfo, "Cannot alloc memory for TCBs\n"); - DBG_LEAVE(et131x_dbginfo); + dev_err(&adapter->pdev->dev, "Cannot alloc memory for TCBs\n"); return -ENOMEM; } @@ -144,8 +135,7 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter) (PTX_DESC_ENTRY_t) pci_alloc_consistent(adapter->pdev, desc_size, &tx_ring->pTxDescRingPa); if (!adapter->TxRing.pTxDescRingVa) { - DBG_ERROR(et131x_dbginfo, "Cannot alloc memory for Tx Ring\n"); - DBG_LEAVE(et131x_dbginfo); + dev_err(&adapter->pdev->dev, "Cannot alloc memory for Tx Ring\n"); return -ENOMEM; } @@ -170,9 +160,8 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter) sizeof(TX_STATUS_BLOCK_t), &tx_ring->pTxStatusPa); if (!adapter->TxRing.pTxStatusPa) { - DBG_ERROR(et131x_dbginfo, - "Cannot alloc memory for Tx status block\n"); - DBG_LEAVE(et131x_dbginfo); + dev_err(&adapter->pdev->dev, + "Cannot alloc memory for Tx status block\n"); return -ENOMEM; } @@ -181,13 +170,11 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter) NIC_MIN_PACKET_SIZE, &tx_ring->pTxDummyBlkPa); if (!adapter->TxRing.pTxDummyBlkPa) { - DBG_ERROR(et131x_dbginfo, - "Cannot alloc memory for Tx dummy buffer\n"); - DBG_LEAVE(et131x_dbginfo); + dev_err(&adapter->pdev->dev, + "Cannot alloc memory for Tx dummy buffer\n"); return -ENOMEM; } - DBG_LEAVE(et131x_dbginfo); return 0; } @@ -201,8 +188,6 @@ void et131x_tx_dma_memory_free(struct et131x_adapter *adapter) { int desc_size = 0; - DBG_ENTER(et131x_dbginfo); - if (adapter->TxRing.pTxDescRingVa) { /* Free memory relating to Tx rings here */ adapter->TxRing.pTxDescRingVa -= adapter->TxRing.TxDescOffset; @@ -240,8 +225,6 @@ void et131x_tx_dma_memory_free(struct et131x_adapter *adapter) /* Free the memory for MP_TCB structures */ kfree(adapter->TxRing.MpTcbMem); - - DBG_LEAVE(et131x_dbginfo); } /** @@ -252,8 +235,6 @@ void ConfigTxDmaRegs(struct et131x_adapter *etdev) { struct _TXDMA_t __iomem *txdma = &etdev->regs->txdma; - DBG_ENTER(et131x_dbginfo); - /* Load the hardware with the start of the transmit descriptor ring. */ writel((uint32_t) (etdev->TxRing.pTxDescRingAdjustedPa >> 32), &txdma->pr_base_hi); @@ -277,8 +258,6 @@ void ConfigTxDmaRegs(struct et131x_adapter *etdev) writel(0, &txdma->service_request); etdev->TxRing.txDmaReadyToSend = 0; - - DBG_LEAVE(et131x_dbginfo); } /** @@ -287,12 +266,8 @@ void ConfigTxDmaRegs(struct et131x_adapter *etdev) */ void et131x_tx_dma_disable(struct et131x_adapter *etdev) { - DBG_ENTER(et131x_dbginfo); - /* Setup the tramsmit dma configuration register */ writel(0x101, &etdev->regs->txdma.csr.value); - - DBG_LEAVE(et131x_dbginfo); } /** @@ -303,8 +278,6 @@ void et131x_tx_dma_disable(struct et131x_adapter *etdev) */ void et131x_tx_dma_enable(struct et131x_adapter *etdev) { - DBG_ENTER(et131x_dbginfo); - if (etdev->RegistryPhyLoopbk) { /* TxDMA is disabled for loopback operation. */ writel(0x101, &etdev->regs->txdma.csr.value); @@ -319,8 +292,6 @@ void et131x_tx_dma_enable(struct et131x_adapter *etdev) csr.bits.cache_thrshld = PARM_DMA_CACHE_DEF; writel(csr.value, &etdev->regs->txdma.csr.value); } - - DBG_LEAVE(et131x_dbginfo); } /** @@ -333,8 +304,6 @@ void et131x_init_send(struct et131x_adapter *adapter) uint32_t TcbCount; TX_RING_t *tx_ring; - DBG_ENTER(et131x_dbginfo); - /* Setup some convenience pointers */ tx_ring = &adapter->TxRing; pMpTcb = adapter->TxRing.MpTcbMem; @@ -364,8 +333,6 @@ void et131x_init_send(struct et131x_adapter *adapter) tx_ring->CurrSendTail = (PMP_TCB) NULL; INIT_LIST_HEAD(&adapter->TxRing.SendWaitQueue); - - DBG_LEAVE(et131x_dbginfo); } /** @@ -380,8 +347,6 @@ int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev) int status = 0; struct et131x_adapter *etdev = NULL; - DBG_TX_ENTER(et131x_dbginfo); - etdev = netdev_priv(netdev); /* Send these packets @@ -397,7 +362,6 @@ int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev) * packet under Linux; if we just send an error up to the * netif layer, it will resend the skb to us. */ - DBG_VERBOSE(et131x_dbginfo, "TCB Resources Not Available\n"); status = -ENOMEM; } else { /* We need to see if the link is up; if it's not, make the @@ -409,9 +373,6 @@ int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev) */ if (MP_SHOULD_FAIL_SEND(etdev) || etdev->DriverNoPhyAccess || !netif_carrier_ok(netdev)) { - DBG_VERBOSE(et131x_dbginfo, - "Can't Tx, Link is DOWN; drop the packet\n"); - dev_kfree_skb_any(skb); skb = NULL; @@ -426,24 +387,16 @@ int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev) * send an error up to the netif layer, it * will resend the skb to us. */ - DBG_WARNING(et131x_dbginfo, - "Resources problem, Queue tx packet\n"); } else if (status != 0) { /* On any other error, make netif think we're * OK and drop the packet */ - DBG_WARNING(et131x_dbginfo, - "General error, drop packet\n"); - dev_kfree_skb_any(skb); skb = NULL; - etdev->net_stats.tx_dropped++; } } } - - DBG_TX_LEAVE(et131x_dbginfo); return status; } @@ -464,21 +417,8 @@ static int et131x_send_packet(struct sk_buff *skb, uint16_t *shbufva; unsigned long flags; - DBG_TX_ENTER(et131x_dbginfo); - - /* Is our buffer scattered, or continuous? */ - if (skb_shinfo(skb)->nr_frags == 0) { - DBG_TX(et131x_dbginfo, "Scattered buffer: NO\n"); - } else { - DBG_TX(et131x_dbginfo, "Scattered buffer: YES, Num Frags: %d\n", - skb_shinfo(skb)->nr_frags); - } - /* All packets must have at least a MAC address and a protocol type */ if (skb->len < ETH_HLEN) { - DBG_ERROR(et131x_dbginfo, - "Packet size < ETH_HLEN (14 bytes)\n"); - DBG_LEAVE(et131x_dbginfo); return -EIO; } @@ -489,9 +429,6 @@ static int et131x_send_packet(struct sk_buff *skb, if (pMpTcb == NULL) { spin_unlock_irqrestore(&etdev->TCBReadyQLock, flags); - - DBG_WARNING(et131x_dbginfo, "Can't obtain a TCB\n"); - DBG_TX_LEAVE(et131x_dbginfo); return -ENOMEM; } @@ -533,16 +470,10 @@ static int et131x_send_packet(struct sk_buff *skb, } etdev->TxRing.TCBReadyQueueTail = pMpTcb; - spin_unlock_irqrestore(&etdev->TCBReadyQLock, flags); - - DBG_TX_LEAVE(et131x_dbginfo); return status; } - - DBG_ASSERT(etdev->TxRing.nBusySend <= NUM_TCB); - - DBG_TX_LEAVE(et131x_dbginfo); + WARN_ON(etdev->TxRing.nBusySend > NUM_TCB); return 0; } @@ -564,8 +495,6 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb) struct skb_frag_struct *pFragList = &skb_shinfo(pPacket)->frags[0]; unsigned long flags; - DBG_TX_ENTER(et131x_dbginfo); - /* Part of the optimizations of this send routine restrict us to * sending 24 fragments at a pass. In practice we should never see * more than 5 fragments. @@ -575,7 +504,6 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb) * although it is less efficient. */ if (FragListCount > 23) { - DBG_TX_LEAVE(et131x_dbginfo); return -EIO; } @@ -596,15 +524,7 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb) * doesn't seem to like large fragments. */ if ((pPacket->len - pPacket->data_len) <= 1514) { - DBG_TX(et131x_dbginfo, - "Got packet of length %d, " - "filling desc entry %d, " - "TCB: 0x%p\n", - (pPacket->len - pPacket->data_len), - etdev->TxRing.txDmaReadyToSend, pMpTcb); - CurDesc[FragmentNumber].DataBufferPtrHigh = 0; - CurDesc[FragmentNumber].word2.bits. length_in_bytes = pPacket->len - pPacket->data_len; @@ -624,15 +544,7 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb) pPacket->data_len, PCI_DMA_TODEVICE); } else { - DBG_TX(et131x_dbginfo, - "Got packet of length %d, " - "filling desc entry %d, " - "TCB: 0x%p\n", - (pPacket->len - pPacket->data_len), - etdev->TxRing.txDmaReadyToSend, pMpTcb); - CurDesc[FragmentNumber].DataBufferPtrHigh = 0; - CurDesc[FragmentNumber].word2.bits. length_in_bytes = ((pPacket->len - pPacket->data_len) / 2); @@ -675,16 +587,7 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb) PCI_DMA_TODEVICE); } } else { - DBG_TX(et131x_dbginfo, - "Got packet of length %d," - "filling desc entry %d\n" - "TCB: 0x%p\n", - pFragList[loopIndex].size, - etdev->TxRing.txDmaReadyToSend, - pMpTcb); - CurDesc[FragmentNumber].DataBufferPtrHigh = 0; - CurDesc[FragmentNumber].word2.bits.length_in_bytes = pFragList[loopIndex - 1].size; @@ -703,10 +606,8 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb) } } - if (FragmentNumber == 0) { - DBG_WARNING(et131x_dbginfo, "No. frags is 0\n"); + if (FragmentNumber == 0) return -EIO; - } if (etdev->linkspeed == TRUEPHY_SPEED_1000MBPS) { if (++etdev->TxRing.TxPacketsSinceLastinterrupt == @@ -774,7 +675,7 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb) etdev->TxRing.CurrSendTail = pMpTcb; - DBG_ASSERT(pMpTcb->Next == NULL); + WARN_ON(pMpTcb->Next != NULL); etdev->TxRing.nBusySend++; @@ -791,432 +692,11 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb) writel(PARM_TX_TIME_INT_DEF * NANO_IN_A_MICRO, &etdev->regs->global.watchdog_timer); } - spin_unlock_irqrestore(&etdev->SendHWLock, flags); - DBG_TX_LEAVE(et131x_dbginfo); return 0; } -/* - * NOTE: For now, keep this older version of NICSendPacket around for - * reference, even though it's not used - */ -#if 0 - -/** - * NICSendPacket - NIC specific send handler. - * @etdev: pointer to our adapter - * @pMpTcb: pointer to MP_TCB - * - * Returns 0 on succes, errno on failure. - * - * This version of the send routine is designed for version A silicon. - * Assumption - Send spinlock has been acquired. - */ -static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb) -{ - uint32_t loopIndex, fragIndex, loopEnd; - uint32_t splitfirstelem = 0; - uint32_t SegmentSize = 0; - TX_DESC_ENTRY_t CurDesc; - TX_DESC_ENTRY_t *CurDescPostCopy = NULL; - uint32_t SlotsAvailable; - DMA10W_t ServiceComplete; - unsigned int flags; - struct sk_buff *pPacket = pMpTcb->Packet; - uint32_t FragListCount = skb_shinfo(pPacket)->nr_frags + 1; - struct skb_frag_struct *pFragList = &skb_shinfo(pPacket)->frags[0]; - - DBG_TX_ENTER(et131x_dbginfo); - - ServiceComplete.value = - readl(&etdev->regs->txdma.NewServiceComplete.value); - - /* - * Attempt to fix TWO hardware bugs: - * 1) NEVER write an odd number of descriptors. - * 2) If packet length is less than NIC_MIN_PACKET_SIZE, then pad the - * packet to NIC_MIN_PACKET_SIZE bytes by adding a new last - * descriptor IN HALF DUPLEX MODE ONLY - * NOTE that (2) interacts with (1). If the packet is less than - * NIC_MIN_PACKET_SIZE bytes then we will append a descriptor. - * Therefore if it is even now, it will eventually end up odd, and - * so will need adjusting. - * - * VLAN tags get involved since VLAN tags add another one or two - * segments. - */ - DBG_TX(et131x_dbginfo, - "pMpTcb->PacketLength: %d\n", pMpTcb->PacketLength); - - if ((etdev->duplex_mode == 0) - && (pMpTcb->PacketLength < NIC_MIN_PACKET_SIZE)) { - DBG_TX(et131x_dbginfo, - "HALF DUPLEX mode AND len < MIN_PKT_SIZE\n"); - if ((FragListCount & 0x1) == 0) { - DBG_TX(et131x_dbginfo, - "Even number of descs, split 1st elem\n"); - splitfirstelem = 1; - /* SegmentSize = pFragList[0].size / 2; */ - SegmentSize = (pPacket->len - pPacket->data_len) / 2; - } - } else if (FragListCount & 0x1) { - DBG_TX(et131x_dbginfo, "Odd number of descs, split 1st elem\n"); - - splitfirstelem = 1; - /* SegmentSize = pFragList[0].size / 2; */ - SegmentSize = (pPacket->len - pPacket->data_len) / 2; - } - - spin_lock_irqsave(&etdev->SendHWLock, flags); - - if (etdev->TxRing.txDmaReadyToSend.bits.serv_req_wrap == - ServiceComplete.bits.serv_cpl_wrap) { - /* The ring hasn't wrapped. Slots available should be - * (RING_SIZE) - the difference between the two pointers. - */ - SlotsAvailable = NUM_DESC_PER_RING_TX - - (etdev->TxRing.txDmaReadyToSend.bits.serv_req - - ServiceComplete.bits.serv_cpl); - } else { - /* The ring has wrapped. Slots available should be the - * difference between the two pointers. - */ - SlotsAvailable = ServiceComplete.bits.serv_cpl - - etdev->TxRing.txDmaReadyToSend.bits.serv_req; - } - - if ((FragListCount + splitfirstelem) > SlotsAvailable) { - DBG_WARNING(et131x_dbginfo, - "Not Enough Space in Tx Desc Ring\n"); - spin_unlock_irqrestore(&etdev->SendHWLock, flags); - return -ENOMEM; - } - - loopEnd = (FragListCount) + splitfirstelem; - fragIndex = 0; - - DBG_TX(et131x_dbginfo, - "TCB : 0x%p\n" - "Packet (SKB) : 0x%p\t Packet->len: %d\t Packet->data_len: %d\n" - "FragListCount : %d\t splitfirstelem: %d\t loopEnd:%d\n", - pMpTcb, - pPacket, pPacket->len, pPacket->data_len, - FragListCount, splitfirstelem, loopEnd); - - for (loopIndex = 0; loopIndex < loopEnd; loopIndex++) { - if (loopIndex > splitfirstelem) - fragIndex++; - - DBG_TX(et131x_dbginfo, - "In loop, loopIndex: %d\t fragIndex: %d\n", loopIndex, - fragIndex); - - /* If there is something in this element, let's get a - * descriptor from the ring and get the necessary data - */ - DBG_TX(et131x_dbginfo, - "Packet Length %d," - "filling desc entry %d\n", - pPacket->len, - etdev->TxRing.txDmaReadyToSend.bits.serv_req); - - /* - * NOTE - Should we do a paranoia check here to make sure the fragment - * actually has a length? It's HIGHLY unlikely the fragment would - * contain no data... - */ - if (1) { - /* NOTE - Currently always getting 32-bit addrs, and - * dma_addr_t is only 32-bit, so leave "high" ptr - * value out for now - * CurDesc.DataBufferPtrHigh = 0; - */ - - CurDesc.word2.value = 0; - CurDesc.word3.value = 0; - - if (fragIndex == 0) { - if (splitfirstelem) { - DBG_TX(et131x_dbginfo, - "Split first element: YES\n"); - - if (loopIndex == 0) { - DBG_TX(et131x_dbginfo, - "Got fragment of length %d, fragIndex: %d\n", - pPacket->len - - pPacket->data_len, - fragIndex); - DBG_TX(et131x_dbginfo, - "SegmentSize: %d\n", - SegmentSize); - - CurDesc.word2.bits. - length_in_bytes = - SegmentSize; - CurDesc.DataBufferPtrLow = - pci_map_single(etdev-> - pdev, - pPacket-> - data, - SegmentSize, - PCI_DMA_TODEVICE); - DBG_TX(et131x_dbginfo, - "pci_map_single() returns: 0x%08x\n", - CurDesc. - DataBufferPtrLow); - } else { - DBG_TX(et131x_dbginfo, - "Got fragment of length %d, fragIndex: %d\n", - pPacket->len - - pPacket->data_len, - fragIndex); - DBG_TX(et131x_dbginfo, - "Leftover Size: %d\n", - (pPacket->len - - pPacket->data_len - - SegmentSize)); - - CurDesc.word2.bits. - length_in_bytes = - ((pPacket->len - - pPacket->data_len) - - SegmentSize); - CurDesc.DataBufferPtrLow = - pci_map_single(etdev-> - pdev, - (pPacket-> - data + - SegmentSize), - (pPacket-> - len - - pPacket-> - data_len - - SegmentSize), - PCI_DMA_TODEVICE); - DBG_TX(et131x_dbginfo, - "pci_map_single() returns: 0x%08x\n", - CurDesc. - DataBufferPtrLow); - } - } else { - DBG_TX(et131x_dbginfo, - "Split first element: NO\n"); - - CurDesc.word2.bits.length_in_bytes = - pPacket->len - pPacket->data_len; - - CurDesc.DataBufferPtrLow = - pci_map_single(etdev->pdev, - pPacket->data, - (pPacket->len - - pPacket->data_len), - PCI_DMA_TODEVICE); - DBG_TX(et131x_dbginfo, - "pci_map_single() returns: 0x%08x\n", - CurDesc.DataBufferPtrLow); - } - } else { - - CurDesc.word2.bits.length_in_bytes = - pFragList[fragIndex - 1].size; - CurDesc.DataBufferPtrLow = - pci_map_page(etdev->pdev, - pFragList[fragIndex - 1].page, - pFragList[fragIndex - - 1].page_offset, - pFragList[fragIndex - 1].size, - PCI_DMA_TODEVICE); - DBG_TX(et131x_dbginfo, - "pci_map_page() returns: 0x%08x\n", - CurDesc.DataBufferPtrLow); - } - - if (loopIndex == 0) { - /* This is the first descriptor of the packet - * - * Set the "f" bit to indicate this is the - * first descriptor in the packet. - */ - DBG_TX(et131x_dbginfo, - "This is our FIRST descriptor\n"); - CurDesc.word3.bits.f = 1; - - pMpTcb->WrIndexStart = - etdev->TxRing.txDmaReadyToSend; - } - - if ((loopIndex == (loopEnd - 1)) && - (etdev->duplex_mode || - (pMpTcb->PacketLength >= NIC_MIN_PACKET_SIZE))) { - /* This is the Last descriptor of the packet */ - DBG_TX(et131x_dbginfo, - "THIS is our LAST descriptor\n"); - - if (etdev->linkspeed == - TRUEPHY_SPEED_1000MBPS) { - if (++etdev->TxRing. - TxPacketsSinceLastinterrupt >= - PARM_TX_NUM_BUFS_DEF) { - CurDesc.word3.value = 0x5; - etdev->TxRing. - TxPacketsSinceLastinterrupt - = 0; - } else { - CurDesc.word3.value = 0x1; - } - } else { - CurDesc.word3.value = 0x5; - } - - /* Following index will be used during freeing - * of packet - */ - pMpTcb->WrIndex = - etdev->TxRing.txDmaReadyToSend; - pMpTcb->PacketStaleCount = 0; - } - - /* Copy the descriptor (filled above) into the - * descriptor ring at the next free entry. Advance - * the "next free entry" variable - */ - memcpy(etdev->TxRing.pTxDescRingVa + - etdev->TxRing.txDmaReadyToSend.bits.serv_req, - &CurDesc, sizeof(TX_DESC_ENTRY_t)); - - CurDescPostCopy = - etdev->TxRing.pTxDescRingVa + - etdev->TxRing.txDmaReadyToSend.bits.serv_req; - - DBG_TX(et131x_dbginfo, - "CURRENT DESCRIPTOR\n" - "\tAddress : 0x%p\n" - "\tDataBufferPtrHigh : 0x%08x\n" - "\tDataBufferPtrLow : 0x%08x\n" - "\tword2 : 0x%08x\n" - "\tword3 : 0x%08x\n", - CurDescPostCopy, - CurDescPostCopy->DataBufferPtrHigh, - CurDescPostCopy->DataBufferPtrLow, - CurDescPostCopy->word2.value, - CurDescPostCopy->word3.value); - - if (++etdev->TxRing.txDmaReadyToSend.bits.serv_req >= - NUM_DESC_PER_RING_TX) { - if (etdev->TxRing.txDmaReadyToSend.bits. - serv_req_wrap) { - etdev->TxRing.txDmaReadyToSend. - value = 0; - } else { - etdev->TxRing.txDmaReadyToSend. - value = 0x400; - } - } - } - } - - if (etdev->duplex_mode == 0 && - pMpTcb->PacketLength < NIC_MIN_PACKET_SIZE) { - /* NOTE - Same 32/64-bit issue as above... */ - CurDesc.DataBufferPtrHigh = 0x0; - CurDesc.DataBufferPtrLow = etdev->TxRing.pTxDummyBlkPa; - CurDesc.word2.value = 0; - - if (etdev->linkspeed == TRUEPHY_SPEED_1000MBPS) { - if (++etdev->TxRing.TxPacketsSinceLastinterrupt >= - PARM_TX_NUM_BUFS_DEF) { - CurDesc.word3.value = 0x5; - etdev->TxRing.TxPacketsSinceLastinterrupt = - 0; - } else { - CurDesc.word3.value = 0x1; - } - } else { - CurDesc.word3.value = 0x5; - } - - CurDesc.word2.bits.length_in_bytes = - NIC_MIN_PACKET_SIZE - pMpTcb->PacketLength; - - pMpTcb->WrIndex = etdev->TxRing.txDmaReadyToSend; - - memcpy(etdev->TxRing.pTxDescRingVa + - etdev->TxRing.txDmaReadyToSend.bits.serv_req, - &CurDesc, sizeof(TX_DESC_ENTRY_t)); - - CurDescPostCopy = - etdev->TxRing.pTxDescRingVa + - etdev->TxRing.txDmaReadyToSend.bits.serv_req; - - DBG_TX(et131x_dbginfo, - "CURRENT DESCRIPTOR\n" - "\tAddress : 0x%p\n" - "\tDataBufferPtrHigh : 0x%08x\n" - "\tDataBufferPtrLow : 0x%08x\n" - "\tword2 : 0x%08x\n" - "\tword3 : 0x%08x\n", - CurDescPostCopy, - CurDescPostCopy->DataBufferPtrHigh, - CurDescPostCopy->DataBufferPtrLow, - CurDescPostCopy->word2.value, - CurDescPostCopy->word3.value); - - if (++etdev->TxRing.txDmaReadyToSend.bits.serv_req >= - NUM_DESC_PER_RING_TX) { - if (etdev->TxRing.txDmaReadyToSend.bits. - serv_req_wrap) { - etdev->TxRing.txDmaReadyToSend.value = 0; - } else { - etdev->TxRing.txDmaReadyToSend.value = 0x400; - } - } - - DBG_TX(et131x_dbginfo, "Padding descriptor %d by %d bytes\n", - /* etdev->TxRing.txDmaReadyToSend.value, */ - etdev->TxRing.txDmaReadyToSend.bits.serv_req, - NIC_MIN_PACKET_SIZE - pMpTcb->PacketLength); - } - - spin_lock(&etdev->TCBSendQLock); - - if (etdev->TxRing.CurrSendTail) - etdev->TxRing.CurrSendTail->Next = pMpTcb; - else - etdev->TxRing.CurrSendHead = pMpTcb; - - etdev->TxRing.CurrSendTail = pMpTcb; - - DBG_ASSERT(pMpTcb->Next == NULL); - - etdev->TxRing.nBusySend++; - - spin_unlock(&etdev->TCBSendQLock); - - /* Write the new write pointer back to the device. */ - writel(etdev->TxRing.txDmaReadyToSend.value, - &etdev->regs->txdma.service_request.value); - -#ifdef CONFIG_ET131X_DEBUG - DumpDeviceBlock(DBG_TX_ON, etdev, 1); -#endif - - /* For Gig only, we use Tx Interrupt coalescing. Enable the software - * timer to wake us up if this packet isn't followed by N more. - */ - if (etdev->linkspeed == TRUEPHY_SPEED_1000MBPS) { - writel(PARM_TX_TIME_INT_DEF * NANO_IN_A_MICRO, - &etdev->regs->global.watchdog_timer); - } - - spin_unlock_irqrestore(&etdev->SendHWLock, flags); - - DBG_TX_LEAVE(et131x_dbginfo); - return 0; -} - -#endif /** * et131x_free_send_packet - Recycle a MP_TCB, complete the packet if necessary @@ -1246,37 +726,11 @@ inline void et131x_free_send_packet(struct et131x_adapter *etdev, * corresponding to this packet and umap the fragments * they point to */ - DBG_TX(et131x_dbginfo, - "Unmap descriptors Here\n" - "TCB : 0x%p\n" - "TCB Next : 0x%p\n" - "TCB PacketLength : %d\n" - "TCB WrIndexS.value : 0x%08x\n" - "TCB WrIndex.value : 0x%08x\n", - pMpTcb, - pMpTcb->Next, - pMpTcb->PacketLength, - pMpTcb->WrIndexStart, - pMpTcb->WrIndex); - do { desc = (TX_DESC_ENTRY_t *) (etdev->TxRing.pTxDescRingVa + INDEX10(pMpTcb->WrIndexStart)); - DBG_TX(et131x_dbginfo, - "CURRENT DESCRIPTOR\n" - "\tAddress : 0x%p\n" - "\tDataBufferPtrHigh : 0x%08x\n" - "\tDataBufferPtrLow : 0x%08x\n" - "\tword2 : 0x%08x\n" - "\tword3 : 0x%08x\n", - desc, - desc->DataBufferPtrHigh, - desc->DataBufferPtrLow, - desc->word2.value, - desc->word3.value); - pci_unmap_single(etdev->pdev, desc->DataBufferPtrLow, desc->word2.value, PCI_DMA_TODEVICE); @@ -1290,9 +744,6 @@ inline void et131x_free_send_packet(struct et131x_adapter *etdev, } while (desc != (etdev->TxRing.pTxDescRingVa + INDEX10(pMpTcb->WrIndex))); - DBG_TX(et131x_dbginfo, - "Free Packet (SKB) : 0x%p\n", pMpTcb->Packet); - dev_kfree_skb_any(pMpTcb->Packet); } @@ -1313,8 +764,7 @@ inline void et131x_free_send_packet(struct et131x_adapter *etdev, etdev->TxRing.TCBReadyQueueTail = pMpTcb; spin_unlock_irqrestore(&etdev->TCBReadyQLock, flags); - - DBG_ASSERT(etdev->TxRing.nBusySend >= 0); + WARN_ON(etdev->TxRing.nBusySend < 0); } /** @@ -1330,8 +780,6 @@ void et131x_free_busy_send_packets(struct et131x_adapter *etdev) unsigned long flags; uint32_t FreeCounter = 0; - DBG_ENTER(et131x_dbginfo); - while (!list_empty(&etdev->TxRing.SendWaitQueue)) { spin_lock_irqsave(&etdev->SendWaitLock, flags); @@ -1360,8 +808,6 @@ void et131x_free_busy_send_packets(struct et131x_adapter *etdev) spin_unlock_irqrestore(&etdev->TCBSendQLock, flags); - DBG_VERBOSE(et131x_dbginfo, "pMpTcb = 0x%p\n", pMpTcb); - FreeCounter++; et131x_free_send_packet(etdev, pMpTcb); @@ -1370,17 +816,11 @@ void et131x_free_busy_send_packets(struct et131x_adapter *etdev) pMpTcb = etdev->TxRing.CurrSendHead; } - if (FreeCounter == NUM_TCB) { - DBG_ERROR(et131x_dbginfo, - "MpFreeBusySendPackets exited loop for a bad reason\n"); - BUG(); - } + WARN_ON(FreeCounter == NUM_TCB); spin_unlock_irqrestore(&etdev->TCBSendQLock, flags); etdev->TxRing.nBusySend = 0; - - DBG_LEAVE(et131x_dbginfo); } /** @@ -1394,8 +834,6 @@ void et131x_free_busy_send_packets(struct et131x_adapter *etdev) */ void et131x_handle_send_interrupt(struct et131x_adapter *etdev) { - DBG_TX_ENTER(et131x_dbginfo); - /* Mark as completed any packets which have been sent by the device. */ et131x_update_tcb_list(etdev); @@ -1403,8 +841,6 @@ void et131x_handle_send_interrupt(struct et131x_adapter *etdev) * dequeue and send those packets now, as long as we have free TCBs. */ et131x_check_send_wait_list(etdev); - - DBG_TX_LEAVE(et131x_dbginfo); } /** @@ -1487,15 +923,9 @@ static void et131x_check_send_wait_list(struct et131x_adapter *etdev) MP_TCB_RESOURCES_AVAILABLE(etdev)) { struct list_head *entry; - DBG_VERBOSE(et131x_dbginfo, "Tx packets on the wait queue\n"); - entry = etdev->TxRing.SendWaitQueue.next; etdev->TxRing.nWaitSend--; - - DBG_WARNING(et131x_dbginfo, - "MpHandleSendInterrupt - sent a queued pkt. Waiting %d\n", - etdev->TxRing.nWaitSend); } spin_unlock_irqrestore(&etdev->SendWaitLock, flags); |