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authorAlan Cox <alan@linux.intel.com>2009-08-27 11:03:09 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 12:02:29 -0700
commit15700039b108fccc36507bcabdd4dda93f7c4c61 (patch)
tree31629674e011fb606072d89b913aa169cc689fbc /drivers/staging/et131x/et1310_tx.c
parentStaging: et131x: kill the loopback type (diff)
downloadlinux-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.c592
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);