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Staging: sxg: Receive code and data structure cleanups

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* Cleanup in recevive buffer structure
* Drop receive data buffer as its not needed with use of skbs
* Fix error code paths in receive skb failures

Signed-off-by: LinSysSoft Sahara Team <saharaproj@linsyssoft.com>
Signed-off-by: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Mithlesh Thukral 2009-01-05 21:18:04 +05:30 committed by Greg Kroah-Hartman
parent cb636fe382
commit d0128aa9dc
3 changed files with 198 additions and 144 deletions
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309
drivers/staging/sxg/sxg.c
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@ -114,6 +114,9 @@ static bool sxg_mac_filter(struct adapter_t *adapter,
static struct net_device_stats *sxg_get_stats(struct net_device *dev);
#endif
void SxgFreeResources(struct adapter_t *adapter);
void SxgFreeRcvBlocks(struct adapter_t *adapter);
#define XXXTODO 0
static int sxg_mac_set_address(struct net_device *dev, void *ptr);
@ -532,8 +535,8 @@ static int sxg_allocate_resources(struct adapter_t *adapter)
SXG_INITIALIZE_RING(adapter->XmtRingZeroInfo, SXG_XMT_RING_SIZE);
/* Sanity check receive data structure format */
ASSERT((adapter->ReceiveBufferSize == SXG_RCV_DATA_BUFFER_SIZE) ||
(adapter->ReceiveBufferSize == SXG_RCV_JUMBO_BUFFER_SIZE));
/* ASSERT((adapter->ReceiveBufferSize == SXG_RCV_DATA_BUFFER_SIZE) ||
(adapter->ReceiveBufferSize == SXG_RCV_JUMBO_BUFFER_SIZE)); */
ASSERT(sizeof(struct sxg_rcv_descriptor_block) ==
SXG_RCV_DESCRIPTOR_BLOCK_SIZE);
@ -544,7 +547,7 @@ static int sxg_allocate_resources(struct adapter_t *adapter)
for (i = 0; i < SXG_INITIAL_RCV_DATA_BUFFERS;
i += SXG_RCV_DESCRIPTORS_PER_BLOCK) {
sxg_allocate_buffer_memory(adapter,
SXG_RCV_BLOCK_SIZE(adapter->ReceiveBufferSize),
SXG_RCV_BLOCK_SIZE(SXG_RCV_DATA_HDR_SIZE),
SXG_BUFFER_TYPE_RCV);
}
/*
@ -651,8 +654,6 @@ static void sxg_config_pci(struct pci_dev *pcidev)
}
}
static unsigned char temp_mac_address[6] =
{ 0x00, 0xab, 0xcd, 0xef, 0x12, 0x69 };
/*
* sxg_read_config
* @adapter : Pointer to the adapter structure for the card
@ -694,10 +695,11 @@ static inline int sxg_read_config(struct adapter_t *adapter)
/* Config read from Flash succeeded */
case SXG_CFG_LOAD_FLASH:
/* Copy the MAC address to adapter structure */
memcpy(temp_mac_address, data->MacAddr[0].MacAddr, 6);
/* TODO: We are not doing the remaining part : FRU,
* etc
*/
memcpy(adapter->macaddr, data->MacAddr[0].MacAddr,
sizeof(struct sxg_config_mac));
break;
case SXG_CFG_TIMEOUT:
case SXG_CFG_LOAD_INVALID:
@ -1446,7 +1448,6 @@ static void sxg_complete_slow_send(struct adapter_t *adapter)
SXG_TRACE(TRACE_SXG, SxgTraceBuffer,
TRACE_IMPORTANT, "DmSndCmp", skb, 0,
0, 0);
printk("ASK:sxg_complete_slow_send: freeing an skb [%p]\n", skb);
ASSERT(adapter->Stats.XmtQLen);
adapter->Stats.XmtQLen--;/* within XmtZeroLock */
adapter->Stats.XmtOk++;
@ -1484,19 +1485,16 @@ static void sxg_complete_slow_send(struct adapter_t *adapter)
static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter,
struct sxg_event *Event)
{
u32 BufferSize = adapter->ReceiveBufferSize;
struct sxg_rcv_data_buffer_hdr *RcvDataBufferHdr;
struct sk_buff *Packet;
unsigned char*data;
int i;
char dstr[128];
char *dptr = dstr;
RcvDataBufferHdr = (struct sxg_rcv_data_buffer_hdr *) Event->HostHandle;
ASSERT(RcvDataBufferHdr);
ASSERT(RcvDataBufferHdr->State == SXG_BUFFER_ONCARD);
SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "SlowRcv", Event,
RcvDataBufferHdr, RcvDataBufferHdr->State,
RcvDataBufferHdr->VirtualAddress);
/*RcvDataBufferHdr->VirtualAddress*/ 0);
/* Drop rcv frames in non-running state */
switch (adapter->State) {
case SXG_STATE_RUNNING:
@ -1510,11 +1508,6 @@ static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter,
goto drop;
}
printk("ASK:sxg_slow_receive:event host handle %p\n", RcvDataBufferHdr);
data = SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr);
for (i = 0; i < 32; i++)
dptr += sprintf(dptr, "%02x ", (unsigned)data[i]);
printk("ASK:sxg_slow_receive: data %s\n", dstr);
/*
* memcpy(SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr),
* RcvDataBufferHdr->VirtualAddress, Event->Length);
@ -1564,15 +1557,19 @@ static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter,
Packet = RcvDataBufferHdr->SxgDumbRcvPacket;
SXG_ADJUST_RCV_PACKET(Packet, RcvDataBufferHdr, Event);
Packet->protocol = eth_type_trans(Packet, adapter->netdev);
printk("ASK:sxg_slow_receive: protocol %x\n",
(unsigned) Packet->protocol);
SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumbRcv",
RcvDataBufferHdr, Packet, Event->Length, 0);
/* Lastly adjust the receive packet length. */
RcvDataBufferHdr->SxgDumbRcvPacket = NULL;
SXG_FREE_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr);
SXG_ALLOCATE_RCV_PACKET(adapter, RcvDataBufferHdr, BufferSize);
if (RcvDataBufferHdr->skb)
{
spin_lock(&adapter->RcvQLock);
SXG_FREE_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr);
adapter->RcvBuffersOnCard ++;
spin_unlock(&adapter->RcvQLock);
}
return (Packet);
drop:
@ -1917,13 +1914,19 @@ static void __devexit sxg_entry_remove(struct pci_dev *pcidev)
unsigned int mmio_len = 0;
struct adapter_t *adapter = (struct adapter_t *) netdev_priv(dev);
set_bit(ADAPT_DOWN, &adapter->state);
flush_scheduled_work();
/* Deallocate Resources */
SxgFreeResources(adapter);
ASSERT(adapter);
DBG_ERROR("sxg: %s ENTER dev[%p] adapter[%p]\n", __func__, dev,
adapter);
sxg_deregister_interrupt(adapter);
sxg_unmap_mmio_space(adapter);
DBG_ERROR("sxg: %s unregister_netdev\n", __func__);
unregister_netdev(dev);
mmio_start = pci_resource_start(pcidev, 0);
mmio_len = pci_resource_len(pcidev, 0);
@ -1932,9 +1935,23 @@ static void __devexit sxg_entry_remove(struct pci_dev *pcidev)
mmio_start, mmio_len);
release_mem_region(mmio_start, mmio_len);
/*
DBG_ERROR("sxg: %s iounmap dev->base_addr[%x]\n", __func__,
(unsigned int)dev->base_addr);
iounmap((char *)dev->base_addr);
*/
mmio_start = pci_resource_start(pcidev, 2);
mmio_len = pci_resource_len(pcidev, 2);
DBG_ERROR("sxg: %s rel_region(2) start[%x] len[%x]\n", __FUNCTION__,
mmio_start, mmio_len);
release_mem_region(mmio_start, mmio_len);
iounmap((char *)dev->base_addr);
unregister_netdev(dev);
//pci_release_regions(pcidev);
//free_netdev(dev);
pci_disable_device(pcidev);
DBG_ERROR("sxg: %s deallocate device\n", __func__);
kfree(dev);
@ -1957,7 +1974,12 @@ static int sxg_entry_halt(struct net_device *dev)
DBG_ERROR("sxg: %s (%s) EXIT\n", __func__, dev->name);
DBG_ERROR("sxg: %s EXIT\n", __func__);
/* Disable interrupts */
SXG_DISABLE_ALL_INTERRUPTS(adapter);
spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags);
return (STATUS_SUCCESS);
}
@ -2080,8 +2102,8 @@ static int sxg_transmit_packet(struct adapter_t *adapter, struct sk_buff *skb)
{
struct sxg_x64_sgl *pSgl;
struct sxg_scatter_gather *SxgSgl;
void *SglBuffer;
u32 SglBufferLength;
/* void *SglBuffer; */
/* u32 SglBufferLength; */
/*
* The vast majority of work is done in the shared
@ -2100,8 +2122,8 @@ static int sxg_transmit_packet(struct adapter_t *adapter, struct sk_buff *skb)
return (STATUS_RESOURCES);
}
ASSERT(SxgSgl->adapter == adapter);
SglBuffer = SXG_SGL_BUFFER(SxgSgl);
SglBufferLength = SXG_SGL_BUF_SIZE;
/*SglBuffer = SXG_SGL_BUFFER(SxgSgl);
SglBufferLength = SXG_SGL_BUF_SIZE; */
SxgSgl->VlanTag.VlanTci = 0;
SxgSgl->VlanTag.VlanTpid = 0;
SxgSgl->Type = SXG_SGL_DUMB;
@ -2138,17 +2160,9 @@ static void sxg_dumb_sgl(struct sxg_x64_sgl *pSgl,
/* unsigned int BufLen; */
/* u32 SglOffset; */
u64 phys_addr;
unsigned char*data;
int i;
char dstr[128];
char *dptr = dstr;
SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSgl",
pSgl, SxgSgl, 0, 0);
data = skb->data;
for (i = 0; i < 32; i++)
dptr += sprintf(dptr, "%02x ", (unsigned)data[i]);
printk("ASK:sxg_dumb_sgl: data %s\n", dstr);
/* Set aside a pointer to the sgl */
SxgSgl->pSgl = pSgl;
@ -2215,7 +2229,6 @@ static void sxg_dumb_sgl(struct sxg_x64_sgl *pSgl,
XmtCmd->Buffer.TotalLength = DataLength;
XmtCmd->SgEntries = 1;
XmtCmd->Flags = 0;
printk("ASK:sxg_dumb_sgl: wrote to xmit register\n");
/*
* Advance transmit cmd descripter by 1.
* NOTE - See comments in SxgTcpOutput where we write
@ -3034,7 +3047,6 @@ static void sxg_mcast_set_bit(struct adapter_t *adapter, char *address)
static void sxg_mcast_set_list(struct net_device *dev)
{
struct adapter_t *adapter = (struct adapter_t *) netdev_priv(dev);
int status = STATUS_SUCCESS;
ASSERT(adapter);
if (dev->flags & IFF_PROMISC) {
@ -3055,8 +3067,56 @@ static void sxg_unmap_mmio_space(struct adapter_t *adapter)
*/
#endif
}
/*
void SxgFreeRcvBlocks(struct adapter_t *adapter)
{
u32 i;
struct list_entry *ple;
struct sxg_rcv_block_hdr *Hdr;
struct sxg_rcv_data_buffer_hdr *RcvDataBufferHdr;
u32 FreeBuffers = 0, FreeBlocks = 0;
SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "FrRcvBlk",
adapter, 0, 0, 0);
ASSERT((adapter->State == SXG_STATE_INITIALIZING) ||
(pAdapt->State == SXG_STATE_HALTING));
for(i = 0; i < SXG_MAX_CPU; i++) {
FreeBuffers += pAdapt->PerCpuResources[i].FreeReceiveBuffers.Count;
FreeBlocks += pAdapt->PerCpuResources[i].FreeReceiveBlocks.Count;
pAdapt->PerCpuResources[i].FreeReceiveBuffers.Count = 0;
pAdapt->PerCpuResources[i].FreeReceiveBuffers.FreeList = NULL;
pAdapt->PerCpuResources[i].FreeReceiveBlocks.Count = 0;
pAdapt->PerCpuResources[i].FreeReceiveBlocks.FreeList = NULL;
}
FreeBuffers += pAdapt->GlobalResources.FreeReceiveBuffers.Count;
FreeBlocks += pAdapt->GlobalResources.FreeReceiveBlocks.Count;
pAdapt->GlobalResources.FreeReceiveBuffers.Count = 0;
pAdapt->GlobalResources.FreeReceiveBuffers.FreeList = NULL;
pAdapt->GlobalResources.FreeReceiveBlocks.Count = 0;
pAdapt->GlobalResources.FreeReceiveBlocks.FreeList = NULL;
ASSERT(FreeBlocks == pAdapt->AllRcvBlockCount); // See SXG_RCV_BLOCK
ASSERT(FreeBuffers ==
(pAdapt->AllRcvBlockCount * SXG_RCV_DESCRIPTORS_PER_BLOCK)); // See SXG_RCV_BLOCK
while(!(IsListEmpty(&pAdapt->AllRcvBlocks))) {
ple = RemoveHeadList(&pAdapt->AllRcvBlocks);
Hdr = CONTAINING_RECORD(ple, SXG_RCV_BLOCK_HDR, AllList);
NdisMFreeSharedMemory(pAdapt->MiniportHandle,
SXG_RCV_BLOCK_SIZE(pAdapt->ReceiveBufferSize),
TRUE,
Hdr->VirtualAddress,
Hdr->PhysicalAddress);
pAdapt->AllRcvBlockCount--;
}
ASSERT(pAdapt->AllRcvBlockCount == 0);
SLIC_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFrRBlk",
pAdapt, 0, 0, 0);
}
*/
//#if XXXTODO
#if XXXTODO
/*
* SxgFreeResources - Free everything allocated in SxgAllocateResources
*
@ -3069,13 +3129,11 @@ static void sxg_unmap_mmio_space(struct adapter_t *adapter)
void SxgFreeResources(struct adapter_t *adapter)
{
u32 RssIds, IsrCount;
PTCP_OBJECT TcpObject;
u32 i;
BOOLEAN TimerCancelled;
/*
SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "FreeRes",
adapter, adapter->MaxTcbs, 0, 0);
*/
RssIds = SXG_RSS_CPU_COUNT(adapter);
IsrCount = adapter->MsiEnabled ? RssIds : 1;
@ -3086,57 +3144,77 @@ void SxgFreeResources(struct adapter_t *adapter)
*/
return;
}
/*
if (!(IsListEmpty(&adapter->AllRcvBlocks))) {
SxgFreeRcvBlocks(adapter);
}
if (!(IsListEmpty(&adapter->AllSglBuffers))) {
SxgFreeSglBuffers(adapter);
}
/* Free event queues. */
if (adapter->EventRings) {
pci_free_consistent(adapter->pcidev,
sizeof(struct sxg_event_ring) * RssIds,
adapter->EventRings, adapter->PEventRings);
}
if (adapter->Isr) {
pci_free_consistent(adapter->pcidev,
sizeof(u32) * IsrCount,
adapter->Isr, adapter->PIsr);
}
*/
if (adapter->XmtRingZeroIndex) {
pci_free_consistent(adapter->pcidev,
sizeof(u32),
adapter->XmtRingZeroIndex,
adapter->PXmtRingZeroIndex);
}
if (adapter->IndirectionTable) {
pci_free_consistent(adapter->pcidev,
SXG_MAX_RSS_TABLE_SIZE,
adapter->IndirectionTable,
adapter->PIndirectionTable);
}
printk("VSS Free Isr\n");
if (adapter->Isr) {
pci_free_consistent(adapter->pcidev,
sizeof(u32) * IsrCount,
adapter->Isr, adapter->PIsr);
}
printk("VSS Free EventRings\n");
if (adapter->EventRings) {
pci_free_consistent(adapter->pcidev,
sizeof(struct sxg_event_ring) * RssIds,
adapter->EventRings, adapter->PEventRings);
}
/*
printk("VSS Free RcvRings\n");
if (adapter->RcvRings) {
pci_free_consistent(adapter->pcidev,
sizeof(struct sxg_rcv_ring) * 4096,
adapter->RcvRings,
adapter->PRcvRings);
adapter->RcvRings = NULL;
}
printk("VSS Free XmtRings\n");
if(adapter->XmtRings) {
pci_free_consistent(adapter->pcidev,
sizeof(struct sxg_xmt_ring) * 4096,
adapter->XmtRings,
adapter->PXmtRings);
adapter->XmtRings = NULL;
}
*/
/*
SXG_FREE_PACKET_POOL(adapter->PacketPoolHandle);
SXG_FREE_BUFFER_POOL(adapter->BufferPoolHandle);
*/
/* Unmap register spaces */
SxgUnmapResources(adapter);
// SxgUnmapResources(adapter);
/* Deregister DMA */
if (adapter->DmaHandle) {
/* if (adapter->DmaHandle) {
SXG_DEREGISTER_DMA(adapter->DmaHandle);
}
/* Deregister interrupt */
SxgDeregisterInterrupt(adapter);
*/ /* Deregister interrupt */
// SxgDeregisterInterrupt(adapter);
/* Possibly free system info (5.2 only) */
SXG_RELEASE_SYSTEM_INFO(adapter);
// SXG_RELEASE_SYSTEM_INFO(adapter);
SxgDiagFreeResources(adapter);
SxgFreeMCastAddrs(adapter);
//SxgDiagFreeResources(adapter);
// SxgFreeMCastAddrs(adapter);
/*
if (SXG_TIMER_ALLOCATED(adapter->ResetTimer)) {
SXG_CANCEL_TIMER(adapter->ResetTimer, TimerCancelled);
SXG_FREE_TIMER(adapter->ResetTimer);
@ -3149,13 +3227,14 @@ void SxgFreeResources(struct adapter_t *adapter)
SXG_CANCEL_TIMER(adapter->OffloadTimer, TimerCancelled);
SXG_FREE_TIMER(adapter->OffloadTimer);
}
*/
adapter->BasicAllocations = FALSE;
SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFreeRes",
/* SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFreeRes",
adapter, adapter->MaxTcbs, 0, 0);
*/
}
#endif
// #endif
/*
* sxg_allocate_complete -
@ -3276,8 +3355,8 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter,
u32 i;
u32 BufferSize = adapter->ReceiveBufferSize;
u64 Paddr;
void *temp_RcvBlock;
struct sxg_rcv_block_hdr *RcvBlockHdr;
unsigned char *RcvDataBuffer;
struct sxg_rcv_data_buffer_hdr *RcvDataBufferHdr;
struct sxg_rcv_descriptor_block *RcvDescriptorBlock;
struct sxg_rcv_descriptor_block_hdr *RcvDescriptorBlockHdr;
@ -3290,51 +3369,33 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter,
memset(RcvBlock, 0, Length);
ASSERT((BufferSize == SXG_RCV_DATA_BUFFER_SIZE) ||
(BufferSize == SXG_RCV_JUMBO_BUFFER_SIZE));
ASSERT(Length == SXG_RCV_BLOCK_SIZE(BufferSize));
ASSERT(Length == SXG_RCV_BLOCK_SIZE(SXG_RCV_DATA_HDR_SIZE));
/*
* First, initialize the contained pool of receive data buffers.
* This initialization requires NBL/NB/MDL allocations, if any of them
* fail, free the block and return without queueing the shared memory
*/
RcvDataBuffer = RcvBlock;
#if 0
for (i = 0, Paddr = *PhysicalAddress;
i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
i++, Paddr.LowPart += BufferSize, RcvDataBuffer += BufferSize)
#endif
for (i = 0, Paddr = PhysicalAddress;
i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) {
//RcvDataBuffer = RcvBlock;
temp_RcvBlock = RcvBlock;
for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
i++, temp_RcvBlock += SXG_RCV_DATA_HDR_SIZE) {
RcvDataBufferHdr = (struct sxg_rcv_data_buffer_hdr *)
temp_RcvBlock;
/* For FREE macro assertion */
RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM;
SXG_ALLOCATE_RCV_PACKET(adapter, RcvDataBufferHdr, BufferSize);
if (RcvDataBufferHdr->SxgDumbRcvPacket == NULL)
goto fail;
RcvDataBufferHdr =
(struct sxg_rcv_data_buffer_hdr*) (RcvDataBuffer +
SXG_RCV_DATA_BUFFER_HDR_OFFSET
(BufferSize));
RcvDataBufferHdr->VirtualAddress = RcvDataBuffer;
/* For FREE macro assertion */
RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM;
RcvDataBufferHdr->Size =
SXG_RCV_BUFFER_DATA_SIZE(BufferSize);
SXG_ALLOCATE_RCV_PACKET(adapter, RcvDataBufferHdr);
/* ASK hardcoded 2048 */
RcvDataBufferHdr->PhysicalAddress =
pci_map_single(adapter->pcidev,
RcvDataBufferHdr->SxgDumbRcvPacket->data,
2048,
PCI_DMA_FROMDEVICE);
if (RcvDataBufferHdr->SxgDumbRcvPacket == NULL)
goto fail;
}
}
/*
* Place this entire block of memory on the AllRcvBlocks queue so it
* can be free later
*/
RcvBlockHdr =
(struct sxg_rcv_block_hdr*) ((unsigned char *)RcvBlock +
SXG_RCV_BLOCK_HDR_OFFSET(BufferSize));
RcvBlockHdr = (struct sxg_rcv_block_hdr *) ((unsigned char *)RcvBlock +
SXG_RCV_BLOCK_HDR_OFFSET(SXG_RCV_DATA_HDR_SIZE));
RcvBlockHdr->VirtualAddress = RcvBlock;
RcvBlockHdr->PhysicalAddress = PhysicalAddress;
spin_lock(&adapter->RcvQLock);
@ -3344,13 +3405,13 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter,
/* Now free the contained receive data buffers that we
* initialized above */
RcvDataBuffer = RcvBlock;
temp_RcvBlock = RcvBlock;
for (i = 0, Paddr = PhysicalAddress;
i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) {
RcvDataBufferHdr = (struct sxg_rcv_data_buffer_hdr*)
(RcvDataBuffer + SXG_RCV_DATA_BUFFER_HDR_OFFSET
(BufferSize));
i++, Paddr += SXG_RCV_DATA_HDR_SIZE,
temp_RcvBlock += SXG_RCV_DATA_HDR_SIZE) {
RcvDataBufferHdr =
(struct sxg_rcv_data_buffer_hdr *)temp_RcvBlock;
spin_lock(&adapter->RcvQLock);
SXG_FREE_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr);
spin_unlock(&adapter->RcvQLock);
@ -3360,11 +3421,11 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter,
RcvDescriptorBlock =
(struct sxg_rcv_descriptor_block *) ((unsigned char *)RcvBlock +
SXG_RCV_DESCRIPTOR_BLOCK_OFFSET
(BufferSize));
(SXG_RCV_DATA_HDR_SIZE));
RcvDescriptorBlockHdr =
(struct sxg_rcv_descriptor_block_hdr *) ((unsigned char *)RcvBlock +
SXG_RCV_DESCRIPTOR_BLOCK_HDR_OFFSET
(BufferSize));
(SXG_RCV_DATA_HDR_SIZE));
RcvDescriptorBlockHdr->VirtualAddress = RcvDescriptorBlock;
RcvDescriptorBlockHdr->PhysicalAddress = Paddr;
spin_lock(&adapter->RcvQLock);
@ -3376,13 +3437,11 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter,
fail:
/* Free any allocated resources */
if (RcvBlock) {
RcvDataBuffer = RcvBlock;
temp_RcvBlock = RcvBlock;
for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
i++, RcvDataBuffer += BufferSize) {
i++, temp_RcvBlock += SXG_RCV_DATA_HDR_SIZE) {
RcvDataBufferHdr =
(struct sxg_rcv_data_buffer_hdr *) (RcvDataBuffer +
SXG_RCV_DATA_BUFFER_HDR_OFFSET
(BufferSize));
(struct sxg_rcv_data_buffer_hdr *)temp_RcvBlock;
SXG_FREE_RCV_PACKET(RcvDataBufferHdr);
}
pci_free_consistent(adapter->pcidev,
@ -3438,8 +3497,6 @@ static void sxg_adapter_set_hwaddr(struct adapter_t *adapter)
*
* sxg_dbg_macaddrs(adapter);
*/
memcpy(adapter->macaddr, temp_mac_address,
sizeof(struct sxg_config_mac));
/* DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n",
* __FUNCTION__);
*/
@ -3651,12 +3708,6 @@ static int sxg_fill_descriptor_block(struct adapter_t *adapter,
RcvDataBufferHdr->State = SXG_BUFFER_ONCARD;
RcvDescriptorBlock->Descriptors[i].VirtualAddress =
(void *)RcvDataBufferHdr;
if (i == 0)
printk("ASK:sxg_fill_descriptor_block: first virt \
address %p\n", RcvDataBufferHdr);
if (i == (SXG_RCV_DESCRIPTORS_PER_BLOCK - 1))
printk("ASK:sxg_fill_descriptor_block: last virt \
address %p\n", RcvDataBufferHdr);
RcvDescriptorBlock->Descriptors[i].PhysicalAddress =
RcvDataBufferHdr->PhysicalAddress;
@ -3709,12 +3760,10 @@ static void sxg_stock_rcv_buffers(struct adapter_t *adapter)
(adapter->AllRcvBlockCount < SXG_MAX_RCV_BLOCKS) &&
(adapter->AllocationsPending == 0)) {
sxg_allocate_buffer_memory(adapter,
SXG_RCV_BLOCK_SIZE(adapter->
ReceiveBufferSize),
SXG_RCV_BLOCK_SIZE
(SXG_RCV_DATA_HDR_SIZE),
SXG_BUFFER_TYPE_RCV);
}
printk("ASK:sxg_stock_rcv_buffers: RcvBuffersOnCard %d\n",
adapter->RcvBuffersOnCard);
/* Now grab the RcvQLock lock and proceed */
spin_lock(&adapter->RcvQLock);
while (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) {

14
drivers/staging/sxg/sxg.h
View File

@ -139,12 +139,14 @@ struct sxg_stats {
/* Indications array size */
#define SXG_RCV_ARRAYSIZE 64
#define SXG_ALLOCATE_RCV_PACKET(_pAdapt, _RcvDataBufferHdr) { \
struct sk_buff * skb; \
skb = netdev_alloc_skb(_pAdapt->netdev, 2048); \
#define SXG_ALLOCATE_RCV_PACKET(_pAdapt, _RcvDataBufferHdr, BufferSize) {\
struct sk_buff * skb; \
skb = netdev_alloc_skb(_pAdapt->netdev, BufferSize); \
if (skb) { \
(_RcvDataBufferHdr)->skb = skb; \
skb->next = NULL; \
_RcvDataBufferHdr->PhysicalAddress = pci_map_single(adapter->pcidev,\
_RcvDataBufferHdr->skb->data, BufferSize, PCI_DMA_FROMDEVICE); \
} else { \
(_RcvDataBufferHdr)->skb = NULL; \
} \
@ -212,8 +214,8 @@ struct sxg_stats {
SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbRcv", \
(_RcvDataBufferHdr), (_Packet), \
(_Event)->Status, 0); \
ASSERT((_Event)->Length <= (_RcvDataBufferHdr)->Size); \
skb_put(Packet, (_Event)->Length); \
/* ASSERT((_Event)->Length <= (_RcvDataBufferHdr)->Size); */ \
skb_put(Packet, (_Event)->Length); \
}
/*
@ -236,7 +238,7 @@ struct sxg_stats {
#define SXG_FREE_RCV_DATA_BUFFER(_pAdapt, _Hdr) { \
SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RtnDHdr", \
(_Hdr), (_pAdapt)->FreeRcvBufferCount, \
(_Hdr)->State, (_Hdr)->VirtualAddress); \
(_Hdr)->State, 0/*(_Hdr)->VirtualAddress*/); \
/* SXG_RESTORE_MDL_OFFSET(_Hdr); */ \
(_pAdapt)->FreeRcvBufferCount++; \
ASSERT(((_pAdapt)->AllRcvBlockCount * SXG_RCV_DESCRIPTORS_PER_BLOCK) \

19
drivers/staging/sxg/sxghif.h
View File

@ -705,12 +705,8 @@ struct sxg_rcv_data_buffer_hdr {
* Note - DO NOT USE the VirtualAddress field to locate data.
* Use the sxg.h:SXG_RECEIVE_DATA_LOCATION macro instead.
*/
void *VirtualAddress; /* Start of buffer */
u32 Size; /* Buffer size */
struct sxg_rcv_data_buffer_hdr *Next; /* Fastpath data buffer queue */
struct list_entry FreeList; /* Free queue of buffers */
unsigned char State; /* See SXG_BUFFER state above */
unsigned char Status; /* Event status (to log PUSH) */
struct sk_buff * skb; /* Double mapped (nbl and pkt)*/
};
@ -721,10 +717,11 @@ struct sxg_rcv_data_buffer_hdr {
#define SxgDumbRcvPacket skb
/* Space for struct sxg_rcv_data_buffer_hdr */
#define SXG_RCV_DATA_HDR_SIZE 256
#define SXG_RCV_DATA_HDR_SIZE sizeof(struct sxg_rcv_data_buffer_hdr)
/* Non jumbo = 2k including HDR */
#define SXG_RCV_DATA_BUFFER_SIZE 2048
#define SXG_RCV_JUMBO_BUFFER_SIZE 10240 /* jumbo = 10k including HDR */
/* jumbo = 10k including HDR */
#define SXG_RCV_JUMBO_BUFFER_SIZE 10240
/* Receive data descriptor */
struct sxg_rcv_data_descriptor {
@ -954,20 +951,26 @@ struct sxg_scatter_gather {
((SxgSglPoolProperties[_Pool].SGEntries - 1) * \
sizeof(struct sxg_x64_sge)))
/* Force NDIS to give us it's own buffer so we can reformat to our own */
#define SXG_SGL_BUFFER(_SxgSgl) NULL //VSS change this value and test
#define SXG_SGL_BUFFER_LENGTH(_SxgSgl) 0 //VSS change this value and test
#define SXG_SGL_BUF_SIZE 0 //VSS change this value and test
/*
#if defined(CONFIG_X86_64)
#define SXG_SGL_BUFFER(_SxgSgl) (&_SxgSgl->Sgl)
#define SXG_SGL_BUFFER_LENGTH(_SxgSgl) ((_SxgSgl)->Entries * \
sizeof(struct sxg_x64_sge))
#define SXG_SGL_BUF_SIZE sizeof(struct sxg_x64_sgl)
#elif defined(CONFIG_X86)
/* Force NDIS to give us it's own buffer so we can reformat to our own */
// Force NDIS to give us it's own buffer so we can reformat to our own
#define SXG_SGL_BUFFER(_SxgSgl) NULL
#define SXG_SGL_BUFFER_LENGTH(_SxgSgl) 0
#define SXG_SGL_BUF_SIZE 0
#else
#error staging: sxg: driver is for X86 only!
#endif
*/
/* Microcode statistics */
struct sxg_ucode_stats {
u32 RPDQOflow; /* PDQ overflow (unframed ie dq & drop 1st) */