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| author | J.R. Mauro <jrm8005@gmail.com> | 2008-10-21 01:28:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-10-22 18:56:37 +0200 |
| commit | b243c4aaf8d470a99101521c9197ed5b38084793 (patch) | |
| tree | 3da19a9ea14d31cd46eeb3095a00128a26232ec8 /drivers/staging | |
| parent | Staging: Lindent the echo driver (diff) | |
| download | linux-b243c4aaf8d470a99101521c9197ed5b38084793.tar.xz linux-b243c4aaf8d470a99101521c9197ed5b38084793.zip | |
Staging: sxg: clean up C99 comments
Change C99 comments to C89 comments
Some nested comments seem to have been missed and some blocks are redundantly
commented, but at least most of the //'s are gone
Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/sxg/sxg.c | 1040 | ||||
| -rw-r--r-- | drivers/staging/sxg/sxghw.h | 120 |
2 files changed, 580 insertions, 580 deletions
diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c index d8772e5bf2d8..3b05acf35d8b 100644 --- a/drivers/staging/sxg/sxg.c +++ b/drivers/staging/sxg/sxg.c @@ -223,7 +223,7 @@ static void sxg_dbg_macaddrs(p_adapter_t adapter) return; } -// SXG Globals +/* SXG Globals */ static SXG_DRIVER SxgDriver; #ifdef ATKDBG @@ -250,7 +250,7 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel) u32 ThisSectionSize; u32 *Instruction = NULL; u32 BaseAddress, AddressOffset, Address; -// u32 Failure; +/* u32 Failure; */ u32 ValueRead; u32 i; u32 numSections = 0; @@ -262,7 +262,7 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel) DBG_ERROR("sxg: %s ENTER\n", __func__); switch (UcodeSel) { - case SXG_UCODE_SAHARA: // Sahara operational ucode + case SXG_UCODE_SAHARA: /* Sahara operational ucode */ numSections = SNumSections; for (i = 0; i < numSections; i++) { sectionSize[i] = SSectionSize[i]; @@ -276,13 +276,13 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel) } DBG_ERROR("sxg: RESET THE CARD\n"); - // First, reset the card + /* First, reset the card */ WRITE_REG(HwRegs->Reset, 0xDEAD, FLUSH); - // Download each section of the microcode as specified in - // its download file. The *download.c file is generated using - // the saharaobjtoc facility which converts the metastep .obj - // file to a .c file which contains a two dimentional array. + /* Download each section of the microcode as specified in */ + /* its download file. The *download.c file is generated using */ + /* the saharaobjtoc facility which converts the metastep .obj */ + /* file to a .c file which contains a two dimentional array. */ for (Section = 0; Section < numSections; Section++) { DBG_ERROR("sxg: SECTION # %d\n", Section); switch (UcodeSel) { @@ -294,35 +294,35 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel) break; } BaseAddress = sectionStart[Section]; - ThisSectionSize = sectionSize[Section] / 12; // Size in instructions + ThisSectionSize = sectionSize[Section] / 12; /* Size in instructions */ for (AddressOffset = 0; AddressOffset < ThisSectionSize; AddressOffset++) { Address = BaseAddress + AddressOffset; ASSERT((Address & ~MICROCODE_ADDRESS_MASK) == 0); - // Write instruction bits 31 - 0 + /* Write instruction bits 31 - 0 */ WRITE_REG(HwRegs->UcodeDataLow, *Instruction, FLUSH); - // Write instruction bits 63-32 + /* Write instruction bits 63-32 */ WRITE_REG(HwRegs->UcodeDataMiddle, *(Instruction + 1), FLUSH); - // Write instruction bits 95-64 + /* Write instruction bits 95-64 */ WRITE_REG(HwRegs->UcodeDataHigh, *(Instruction + 2), FLUSH); - // Write instruction address with the WRITE bit set + /* Write instruction address with the WRITE bit set */ WRITE_REG(HwRegs->UcodeAddr, (Address | MICROCODE_ADDRESS_WRITE), FLUSH); - // Sahara bug in the ucode download logic - the write to DataLow - // for the next instruction could get corrupted. To avoid this, - // write to DataLow again for this instruction (which may get - // corrupted, but it doesn't matter), then increment the address - // and write the data for the next instruction to DataLow. That - // write should succeed. + /* Sahara bug in the ucode download logic - the write to DataLow */ + /* for the next instruction could get corrupted. To avoid this, */ + /* write to DataLow again for this instruction (which may get */ + /* corrupted, but it doesn't matter), then increment the address */ + /* and write the data for the next instruction to DataLow. That */ + /* write should succeed. */ WRITE_REG(HwRegs->UcodeDataLow, *Instruction, TRUE); - // Advance 3 u32S to start of next instruction + /* Advance 3 u32S to start of next instruction */ Instruction += 3; } } - // Now repeat the entire operation reading the instruction back and - // checking for parity errors + /* Now repeat the entire operation reading the instruction back and */ + /* checking for parity errors */ for (Section = 0; Section < numSections; Section++) { DBG_ERROR("sxg: check SECTION # %d\n", Section); switch (UcodeSel) { @@ -334,51 +334,51 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel) break; } BaseAddress = sectionStart[Section]; - ThisSectionSize = sectionSize[Section] / 12; // Size in instructions + ThisSectionSize = sectionSize[Section] / 12; /* Size in instructions */ for (AddressOffset = 0; AddressOffset < ThisSectionSize; AddressOffset++) { Address = BaseAddress + AddressOffset; - // Write the address with the READ bit set + /* Write the address with the READ bit set */ WRITE_REG(HwRegs->UcodeAddr, (Address | MICROCODE_ADDRESS_READ), FLUSH); - // Read it back and check parity bit. + /* Read it back and check parity bit. */ READ_REG(HwRegs->UcodeAddr, ValueRead); if (ValueRead & MICROCODE_ADDRESS_PARITY) { DBG_ERROR("sxg: %s PARITY ERROR\n", __func__); - return (FALSE); // Parity error + return (FALSE); /* Parity error */ } ASSERT((ValueRead & MICROCODE_ADDRESS_MASK) == Address); - // Read the instruction back and compare + /* Read the instruction back and compare */ READ_REG(HwRegs->UcodeDataLow, ValueRead); if (ValueRead != *Instruction) { DBG_ERROR("sxg: %s MISCOMPARE LOW\n", __func__); - return (FALSE); // Miscompare + return (FALSE); /* Miscompare */ } READ_REG(HwRegs->UcodeDataMiddle, ValueRead); if (ValueRead != *(Instruction + 1)) { DBG_ERROR("sxg: %s MISCOMPARE MIDDLE\n", __func__); - return (FALSE); // Miscompare + return (FALSE); /* Miscompare */ } READ_REG(HwRegs->UcodeDataHigh, ValueRead); if (ValueRead != *(Instruction + 2)) { DBG_ERROR("sxg: %s MISCOMPARE HIGH\n", __func__); - return (FALSE); // Miscompare + return (FALSE); /* Miscompare */ } - // Advance 3 u32S to start of next instruction + /* Advance 3 u32S to start of next instruction */ Instruction += 3; } } - // Everything OK, Go. + /* Everything OK, Go. */ WRITE_REG(HwRegs->UcodeAddr, MICROCODE_ADDRESS_GO, FLUSH); - // Poll the CardUp register to wait for microcode to initialize - // Give up after 10,000 attemps (500ms). + /* Poll the CardUp register to wait for microcode to initialize */ + /* Give up after 10,000 attemps (500ms). */ for (i = 0; i < 10000; i++) { udelay(50); READ_REG(adapter->UcodeRegs[0].CardUp, ValueRead); @@ -390,11 +390,11 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel) if (i == 10000) { DBG_ERROR("sxg: %s TIMEOUT\n", __func__); - return (FALSE); // Timeout + return (FALSE); /* Timeout */ } - // Now write the LoadSync register. This is used to - // synchronize with the card so it can scribble on the memory - // that contained 0xCAFE from the "CardUp" step above + /* Now write the LoadSync register. This is used to */ + /* synchronize with the card so it can scribble on the memory */ + /* that contained 0xCAFE from the "CardUp" step above */ if (UcodeSel == SXG_UCODE_SAHARA) { WRITE_REG(adapter->UcodeRegs[0].LoadSync, 0, FLUSH); } @@ -420,22 +420,22 @@ static int sxg_allocate_resources(p_adapter_t adapter) int status; u32 i; u32 RssIds, IsrCount; -// PSXG_XMT_RING XmtRing; -// PSXG_RCV_RING RcvRing; +/* PSXG_XMT_RING XmtRing; */ +/* PSXG_RCV_RING RcvRing; */ DBG_ERROR("%s ENTER\n", __func__); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocRes", adapter, 0, 0, 0); - // Windows tells us how many CPUs it plans to use for - // RSS + /* Windows tells us how many CPUs it plans to use for */ + /* RSS */ RssIds = SXG_RSS_CPU_COUNT(adapter); IsrCount = adapter->MsiEnabled ? RssIds : 1; DBG_ERROR("%s Setup the spinlocks\n", __func__); - // Allocate spinlocks and initialize listheads first. + /* Allocate spinlocks and initialize listheads first. */ spin_lock_init(&adapter->RcvQLock); spin_lock_init(&adapter->SglQLock); spin_lock_init(&adapter->XmtZeroLock); @@ -450,21 +450,21 @@ static int sxg_allocate_resources(p_adapter_t adapter) InitializeListHead(&adapter->FreeSglBuffers); InitializeListHead(&adapter->AllSglBuffers); - // Mark these basic allocations done. This flags essentially - // tells the SxgFreeResources routine that it can grab spinlocks - // and reference listheads. + /* Mark these basic allocations done. This flags essentially */ + /* tells the SxgFreeResources routine that it can grab spinlocks */ + /* and reference listheads. */ adapter->BasicAllocations = TRUE; - // Main allocation loop. Start with the maximum supported by - // the microcode and back off if memory allocation - // fails. If we hit a minimum, fail. + /* Main allocation loop. Start with the maximum supported by */ + /* the microcode and back off if memory allocation */ + /* fails. If we hit a minimum, fail. */ for (;;) { DBG_ERROR("%s Allocate XmtRings size[%lx]\n", __func__, (sizeof(SXG_XMT_RING) * 1)); - // Start with big items first - receive and transmit rings. At the moment - // I'm going to keep the ring size fixed and adjust the number of - // TCBs if we fail. Later we might consider reducing the ring size as well.. + /* Start with big items first - receive and transmit rings. At the moment */ + /* I'm going to keep the ring size fixed and adjust the number of */ + /* TCBs if we fail. Later we might consider reducing the ring size as well.. */ adapter->XmtRings = pci_alloc_consistent(adapter->pcidev, sizeof(SXG_XMT_RING) * 1, @@ -490,7 +490,7 @@ static int sxg_allocate_resources(p_adapter_t adapter) break; per_tcb_allocation_failed: - // an allocation failed. Free any successful allocations. + /* an allocation failed. Free any successful allocations. */ if (adapter->XmtRings) { pci_free_consistent(adapter->pcidev, sizeof(SXG_XMT_RING) * 4096, @@ -505,22 +505,22 @@ static int sxg_allocate_resources(p_adapter_t adapter) adapter->PRcvRings); adapter->RcvRings = NULL; } - // Loop around and try again.... + /* Loop around and try again.... */ } DBG_ERROR("%s Initialize RCV ZERO and XMT ZERO rings\n", __func__); - // Initialize rcv zero and xmt zero rings + /* Initialize rcv zero and xmt zero rings */ SXG_INITIALIZE_RING(adapter->RcvRingZeroInfo, SXG_RCV_RING_SIZE); SXG_INITIALIZE_RING(adapter->XmtRingZeroInfo, SXG_XMT_RING_SIZE); - // Sanity check receive data structure format + /* Sanity check receive data structure format */ ASSERT((adapter->ReceiveBufferSize == SXG_RCV_DATA_BUFFER_SIZE) || (adapter->ReceiveBufferSize == SXG_RCV_JUMBO_BUFFER_SIZE)); ASSERT(sizeof(SXG_RCV_DESCRIPTOR_BLOCK) == SXG_RCV_DESCRIPTOR_BLOCK_SIZE); - // Allocate receive data buffers. We allocate a block of buffers and - // a corresponding descriptor block at once. See sxghw.h:SXG_RCV_BLOCK + /* Allocate receive data buffers. We allocate a block of buffers and */ + /* a corresponding descriptor block at once. See sxghw.h:SXG_RCV_BLOCK */ for (i = 0; i < SXG_INITIAL_RCV_DATA_BUFFERS; i += SXG_RCV_DESCRIPTORS_PER_BLOCK) { sxg_allocate_buffer_memory(adapter, @@ -528,8 +528,8 @@ static int sxg_allocate_resources(p_adapter_t adapter) ReceiveBufferSize), SXG_BUFFER_TYPE_RCV); } - // NBL resource allocation can fail in the 'AllocateComplete' routine, which - // doesn't return status. Make sure we got the number of buffers we requested + /* NBL resource allocation can fail in the 'AllocateComplete' routine, which */ + /* doesn't return status. Make sure we got the number of buffers we requested */ if (adapter->FreeRcvBufferCount < SXG_INITIAL_RCV_DATA_BUFFERS) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF6", adapter, adapter->FreeRcvBufferCount, SXG_MAX_ENTRIES, @@ -540,14 +540,14 @@ static int sxg_allocate_resources(p_adapter_t adapter) DBG_ERROR("%s Allocate EventRings size[%lx]\n", __func__, (sizeof(SXG_EVENT_RING) * RssIds)); - // Allocate event queues. + /* Allocate event queues. */ adapter->EventRings = pci_alloc_consistent(adapter->pcidev, sizeof(SXG_EVENT_RING) * RssIds, &adapter->PEventRings); if (!adapter->EventRings) { - // Caller will call SxgFreeAdapter to clean up above allocations + /* Caller will call SxgFreeAdapter to clean up above allocations */ SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF8", adapter, SXG_MAX_ENTRIES, 0, 0); status = STATUS_RESOURCES; @@ -556,11 +556,11 @@ static int sxg_allocate_resources(p_adapter_t adapter) memset(adapter->EventRings, 0, sizeof(SXG_EVENT_RING) * RssIds); DBG_ERROR("%s Allocate ISR size[%x]\n", __func__, IsrCount); - // Allocate ISR + /* Allocate ISR */ adapter->Isr = pci_alloc_consistent(adapter->pcidev, IsrCount, &adapter->PIsr); if (!adapter->Isr) { - // Caller will call SxgFreeAdapter to clean up above allocations + /* Caller will call SxgFreeAdapter to clean up above allocations */ SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF9", adapter, SXG_MAX_ENTRIES, 0, 0); status = STATUS_RESOURCES; @@ -571,7 +571,7 @@ static int sxg_allocate_resources(p_adapter_t adapter) DBG_ERROR("%s Allocate shared XMT ring zero index location size[%lx]\n", __func__, sizeof(u32)); - // Allocate shared XMT ring zero index location + /* Allocate shared XMT ring zero index location */ adapter->XmtRingZeroIndex = pci_alloc_consistent(adapter->pcidev, sizeof(u32), &adapter-> @@ -607,13 +607,13 @@ static void sxg_config_pci(struct pci_dev *pcidev) pci_read_config_word(pcidev, PCI_COMMAND, &pci_command); DBG_ERROR("sxg: %s PCI command[%4.4x]\n", __func__, pci_command); - // Set the command register - new_command = pci_command | (PCI_COMMAND_MEMORY | // Memory Space Enable - PCI_COMMAND_MASTER | // Bus master enable - PCI_COMMAND_INVALIDATE | // Memory write and invalidate - PCI_COMMAND_PARITY | // Parity error response - PCI_COMMAND_SERR | // System ERR - PCI_COMMAND_FAST_BACK); // Fast back-to-back + /* Set the command register */ + new_command = pci_command | (PCI_COMMAND_MEMORY | /* Memory Space Enable */ + PCI_COMMAND_MASTER | /* Bus master enable */ + PCI_COMMAND_INVALIDATE | /* Memory write and invalidate */ + PCI_COMMAND_PARITY | /* Parity error response */ + PCI_COMMAND_SERR | /* System ERR */ + PCI_COMMAND_FAST_BACK); /* Fast back-to-back */ if (pci_command != new_command) { DBG_ERROR("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n", __func__, pci_command, new_command); @@ -636,7 +636,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev, DBG_ERROR("sxg: %s 2.6 VERSION ENTER jiffies[%lx] cpu %d\n", __func__, jiffies, smp_processor_id()); - // Initialize trace buffer + /* Initialize trace buffer */ #ifdef ATKDBG SxgTraceBuffer = &LSxgTraceBuffer; SXG_TRACE_INIT(SxgTraceBuffer, TRACE_NOISY); @@ -738,13 +738,13 @@ static int sxg_entry_probe(struct pci_dev *pcidev, adapter->UcodeRegs = (void *)memmapped_ioaddr; adapter->State = SXG_STATE_INITIALIZING; - // Maintain a list of all adapters anchored by - // the global SxgDriver structure. + /* Maintain a list of all adapters anchored by */ + /* the global SxgDriver structure. */ adapter->Next = SxgDriver.Adapters; SxgDriver.Adapters = adapter; adapter->AdapterID = ++SxgDriver.AdapterID; - // Initialize CRC table used to determine multicast hash + /* Initialize CRC table used to determine multicast hash */ sxg_mcast_init_crc32(); adapter->JumboEnabled = FALSE; @@ -757,10 +757,10 @@ static int sxg_entry_probe(struct pci_dev *pcidev, adapter->ReceiveBufferSize = SXG_RCV_DATA_BUFFER_SIZE; } -// status = SXG_READ_EEPROM(adapter); -// if (!status) { -// goto sxg_init_bad; -// } +/* status = SXG_READ_EEPROM(adapter); */ +/* if (!status) { */ +/* goto sxg_init_bad; */ +/* } */ DBG_ERROR("sxg: %s ENTER sxg_config_pci\n", __func__); sxg_config_pci(pcidev); @@ -780,11 +780,11 @@ static int sxg_entry_probe(struct pci_dev *pcidev, adapter->irq = pcidev->irq; adapter->next_netdevice = head_netdevice; head_netdevice = netdev; -// adapter->chipid = chip_idx; - adapter->port = 0; //adapter->functionnumber; +/* adapter->chipid = chip_idx; */ + adapter->port = 0; /*adapter->functionnumber; */ adapter->cardindex = adapter->port; - // Allocate memory and other resources + /* Allocate memory and other resources */ DBG_ERROR("sxg: %s ENTER sxg_allocate_resources\n", __func__); status = sxg_allocate_resources(adapter); DBG_ERROR("sxg: %s EXIT sxg_allocate_resources status %x\n", @@ -819,7 +819,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev, #endif strcpy(netdev->name, "eth%d"); -// strcpy(netdev->name, pci_name(pcidev)); +/* strcpy(netdev->name, pci_name(pcidev)); */ if ((err = register_netdev(netdev))) { DBG_ERROR("Cannot register net device, aborting. %s\n", netdev->name); @@ -832,9 +832,9 @@ static int sxg_entry_probe(struct pci_dev *pcidev, netdev->dev_addr[1], netdev->dev_addr[2], netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]); -//sxg_init_bad: +/*sxg_init_bad: */ ASSERT(status == FALSE); -// sxg_free_adapter(adapter); +/* sxg_free_adapter(adapter); */ DBG_ERROR("sxg: %s EXIT status[%x] jiffies[%lx] cpu %d\n", __func__, status, jiffies, smp_processor_id()); @@ -874,12 +874,12 @@ static void sxg_disable_interrupt(p_adapter_t adapter) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DisIntr", adapter, adapter->InterruptsEnabled, 0, 0); - // For now, RSS is disabled with line based interrupts + /* For now, RSS is disabled with line based interrupts */ ASSERT(adapter->RssEnabled == FALSE); ASSERT(adapter->MsiEnabled == FALSE); - // - // Turn off interrupts by writing to the icr register. - // + /* */ + /* Turn off interrupts by writing to the icr register. */ + /* */ WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_DISABLE), TRUE); adapter->InterruptsEnabled = 0; @@ -905,12 +905,12 @@ static void sxg_enable_interrupt(p_adapter_t adapter) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "EnIntr", adapter, adapter->InterruptsEnabled, 0, 0); - // For now, RSS is disabled with line based interrupts + /* For now, RSS is disabled with line based interrupts */ ASSERT(adapter->RssEnabled == FALSE); ASSERT(adapter->MsiEnabled == FALSE); - // - // Turn on interrupts by writing to the icr register. - // + /* */ + /* Turn on interrupts by writing to the icr register. */ + /* */ WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_ENABLE), TRUE); adapter->InterruptsEnabled = 1; @@ -935,29 +935,29 @@ static irqreturn_t sxg_isr(int irq, void *dev_id) { p_net_device dev = (p_net_device) dev_id; p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); -// u32 CpuMask = 0, i; +/* u32 CpuMask = 0, i; */ adapter->Stats.NumInts++; if (adapter->Isr[0] == 0) { - // The SLIC driver used to experience a number of spurious interrupts - // due to the delay associated with the masking of the interrupt - // (we'd bounce back in here). If we see that again with Sahara, - // add a READ_REG of the Icr register after the WRITE_REG below. + /* The SLIC driver used to experience a number of spurious interrupts */ + /* due to the delay associated with the masking of the interrupt */ + /* (we'd bounce back in here). If we see that again with Sahara, */ + /* add a READ_REG of the Icr register after the WRITE_REG below. */ adapter->Stats.FalseInts++; return IRQ_NONE; } - // - // Move the Isr contents and clear the value in - // shared memory, and mask interrupts - // + /* */ + /* Move the Isr contents and clear the value in */ + /* shared memory, and mask interrupts */ + /* */ adapter->IsrCopy[0] = adapter->Isr[0]; adapter->Isr[0] = 0; WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_MASK), TRUE); -// ASSERT(adapter->IsrDpcsPending == 0); -#if XXXTODO // RSS Stuff - // If RSS is enabled and the ISR specifies - // SXG_ISR_EVENT, then schedule DPC's - // based on event queues. +/* ASSERT(adapter->IsrDpcsPending == 0); */ +#if XXXTODO /* RSS Stuff */ + /* If RSS is enabled and the ISR specifies */ + /* SXG_ISR_EVENT, then schedule DPC's */ + /* based on event queues. */ if (adapter->RssEnabled && (adapter->IsrCopy[0] & SXG_ISR_EVENT)) { for (i = 0; i < adapter->RssSystemInfo->ProcessorInfo.RssCpuCount; @@ -973,8 +973,8 @@ static irqreturn_t sxg_isr(int irq, void *dev_id) } } } - // Now, either schedule the CPUs specified by the CpuMask, - // or queue default + /* Now, either schedule the CPUs specified by the CpuMask, */ + /* or queue default */ if (CpuMask) { *QueueDefault = FALSE; } else { @@ -983,9 +983,9 @@ static irqreturn_t sxg_isr(int irq, void *dev_id) } *TargetCpus = CpuMask; #endif - // - // There are no DPCs in Linux, so call the handler now - // + /* */ + /* There are no DPCs in Linux, so call the handler now */ + /* */ sxg_handle_interrupt(adapter); return IRQ_HANDLED; @@ -993,7 +993,7 @@ static irqreturn_t sxg_isr(int irq, void *dev_id) static void sxg_handle_interrupt(p_adapter_t adapter) { -// unsigned char RssId = 0; +/* unsigned char RssId = 0; */ u32 NewIsr; if (adapter->Stats.RcvNoBuffer < 5) { @@ -1002,32 +1002,32 @@ static void sxg_handle_interrupt(p_adapter_t adapter) } SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "HndlIntr", adapter, adapter->IsrCopy[0], 0, 0); - // For now, RSS is disabled with line based interrupts + /* For now, RSS is disabled with line based interrupts */ ASSERT(adapter->RssEnabled == FALSE); ASSERT(adapter->MsiEnabled == FALSE); ASSERT(adapter->IsrCopy[0]); -///////////////////////////// +/*/////////////////////////// */ - // Always process the event queue. + /* Always process the event queue. */ sxg_process_event_queue(adapter, (adapter->RssEnabled ? /*RssId */ 0 : 0)); -#if XXXTODO // RSS stuff +#if XXXTODO /* RSS stuff */ if (--adapter->IsrDpcsPending) { - // We're done. + /* We're done. */ ASSERT(adapter->RssEnabled); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DPCsPend", adapter, 0, 0, 0); return; } #endif - // - // Last (or only) DPC processes the ISR and clears the interrupt. - // + /* */ + /* Last (or only) DPC processes the ISR and clears the interrupt. */ + /* */ NewIsr = sxg_process_isr(adapter, 0); - // - // Reenable interrupts - // + /* */ + /* Reenable interrupts */ + /* */ adapter->IsrCopy[0] = 0; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ClearIsr", adapter, NewIsr, 0, 0); @@ -1063,29 +1063,29 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId) SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ProcIsr", adapter, Isr, 0, 0); - // Error + /* Error */ if (Isr & SXG_ISR_ERR) { if (Isr & SXG_ISR_PDQF) { adapter->Stats.PdqFull++; DBG_ERROR("%s: SXG_ISR_ERR PDQF!!\n", __func__); } - // No host buffer + /* No host buffer */ if (Isr & SXG_ISR_RMISS) { - // There is a bunch of code in the SLIC driver which - // attempts to process more receive events per DPC - // if we start to fall behind. We'll probably - // need to do something similar here, but hold - // off for now. I don't want to make the code more - // complicated than strictly needed. + /* There is a bunch of code in the SLIC driver which */ + /* attempts to process more receive events per DPC */ + /* if we start to fall behind. We'll probably */ + /* need to do something similar here, but hold */ + /* off for now. I don't want to make the code more */ + /* complicated than strictly needed. */ adapter->Stats.RcvNoBuffer++; if (adapter->Stats.RcvNoBuffer < 5) { DBG_ERROR("%s: SXG_ISR_ERR RMISS!!\n", __func__); } } - // Card crash + /* Card crash */ if (Isr & SXG_ISR_DEAD) { - // Set aside the crash info and set the adapter state to RESET + /* Set aside the crash info and set the adapter state to RESET */ adapter->CrashCpu = (unsigned char)((Isr & SXG_ISR_CPU) >> SXG_ISR_CPU_SHIFT); @@ -1094,44 +1094,44 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId) DBG_ERROR("%s: ISR_DEAD %x, CPU: %d\n", __func__, adapter->CrashLocation, adapter->CrashCpu); } - // Event ring full + /* Event ring full */ if (Isr & SXG_ISR_ERFULL) { - // Same issue as RMISS, really. This means the - // host is falling behind the card. Need to increase - // event ring size, process more events per interrupt, - // and/or reduce/remove interrupt aggregation. + /* Same issue as RMISS, really. This means the */ + /* host is falling behind the card. Need to increase */ + /* event ring size, process more events per interrupt, */ + /* and/or reduce/remove interrupt aggregation. */ adapter->Stats.EventRingFull++; DBG_ERROR("%s: SXG_ISR_ERR EVENT RING FULL!!\n", __func__); } - // Transmit drop - no DRAM buffers or XMT error + /* Transmit drop - no DRAM buffers or XMT error */ if (Isr & SXG_ISR_XDROP) { adapter->Stats.XmtDrops++; adapter->Stats.XmtErrors++; DBG_ERROR("%s: SXG_ISR_ERR XDROP!!\n", __func__); } } - // Slowpath send completions + /* Slowpath send completions */ if (Isr & SXG_ISR_SPSEND) { sxg_complete_slow_send(adapter); } - // Dump + /* Dump */ if (Isr & SXG_ISR_UPC) { - ASSERT(adapter->DumpCmdRunning); // Maybe change when debug is added.. + ASSERT(adapter->DumpCmdRunning); /* Maybe change when debug is added.. */ adapter->DumpCmdRunning = FALSE; } - // Link event + /* Link event */ if (Isr & SXG_ISR_LINK) { sxg_link_event(adapter); } - // Debug - breakpoint hit + /* Debug - breakpoint hit */ if (Isr & SXG_ISR_BREAK) { - // At the moment AGDB isn't written to support interactive - // debug sessions. When it is, this interrupt will be used - // to signal AGDB that it has hit a breakpoint. For now, ASSERT. + /* At the moment AGDB isn't written to support interactive */ + /* debug sessions. When it is, this interrupt will be used */ + /* to signal AGDB that it has hit a breakpoint. For now, ASSERT. */ ASSERT(0); } - // Heartbeat response + /* Heartbeat response */ if (Isr & SXG_ISR_PING) { adapter->PingOutstanding = FALSE; } @@ -1171,39 +1171,39 @@ static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId) (adapter->State == SXG_STATE_PAUSING) || (adapter->State == SXG_STATE_PAUSED) || (adapter->State == SXG_STATE_HALTING)); - // We may still have unprocessed events on the queue if - // the card crashed. Don't process them. + /* We may still have unprocessed events on the queue if */ + /* the card crashed. Don't process them. */ if (adapter->Dead) { return (0); } - // In theory there should only be a single processor that - // accesses this queue, and only at interrupt-DPC time. So - // we shouldn't need a lock for any of this. + /* In theory there should only be a single processor that */ + /* accesses this queue, and only at interrupt-DPC time. So */ + /* we shouldn't need a lock for any of this. */ while (Event->Status & EVENT_STATUS_VALID) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "Event", Event, Event->Code, Event->Status, adapter->NextEvent); switch (Event->Code) { case EVENT_CODE_BUFFERS: - ASSERT(!(Event->CommandIndex & 0xFF00)); // SXG_RING_INFO Head & Tail == unsigned char - // + ASSERT(!(Event->CommandIndex & 0xFF00)); /* SXG_RING_INFO Head & Tail == unsigned char */ + /* */ sxg_complete_descriptor_blocks(adapter, Event->CommandIndex); - // + /* */ break; case EVENT_CODE_SLOWRCV: --adapter->RcvBuffersOnCard; if ((skb = sxg_slow_receive(adapter, Event))) { u32 rx_bytes; #ifdef LINUX_HANDLES_RCV_INDICATION_LISTS - // Add it to our indication list + /* Add it to our indication list */ SXG_ADD_RCV_PACKET(adapter, skb, prev_skb, IndicationList, num_skbs); - // In Linux, we just pass up each skb to the protocol above at this point, - // there is no capability of an indication list. + /* In Linux, we just pass up each skb to the protocol above at this point, */ + /* there is no capability of an indication list. */ #else -// CHECK skb_pull(skb, INIC_RCVBUF_HEADSIZE); - rx_bytes = Event->Length; // (rcvbuf->length & IRHDDR_FLEN_MSK); +/* CHECK skb_pull(skb, INIC_RCVBUF_HEADSIZE); */ + rx_bytes = Event->Length; /* (rcvbuf->length & IRHDDR_FLEN_MSK); */ skb_put(skb, rx_bytes); adapter->stats.rx_packets++; adapter->stats.rx_bytes += rx_bytes; @@ -1219,42 +1219,42 @@ static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId) default: DBG_ERROR("%s: ERROR Invalid EventCode %d\n", __func__, Event->Code); -// ASSERT(0); +/* ASSERT(0); */ } - // See if we need to restock card receive buffers. - // There are two things to note here: - // First - This test is not SMP safe. The - // adapter->BuffersOnCard field is protected via atomic interlocked calls, but - // we do not protect it with respect to these tests. The only way to do that - // is with a lock, and I don't want to grab a lock every time we adjust the - // BuffersOnCard count. Instead, we allow the buffer replenishment to be off - // once in a while. The worst that can happen is the card is given one - // more-or-less descriptor block than the arbitrary value we've chosen. - // No big deal - // In short DO NOT ADD A LOCK HERE, OR WHERE RcvBuffersOnCard is adjusted. - // Second - We expect this test to rarely evaluate to true. We attempt to - // refill descriptor blocks as they are returned to us - // (sxg_complete_descriptor_blocks), so The only time this should evaluate - // to true is when sxg_complete_descriptor_blocks failed to allocate - // receive buffers. + /* See if we need to restock card receive buffers. */ + /* There are two things to note here: */ + /* First - This test is not SMP safe. The */ + /* adapter->BuffersOnCard field is protected via atomic interlocked calls, but */ + /* we do not protect it with respect to these tests. The only way to do that */ + /* is with a lock, and I don't want to grab a lock every time we adjust the */ + /* BuffersOnCard count. Instead, we allow the buffer replenishment to be off */ + /* once in a while. The worst that can happen is the card is given one */ + /* more-or-less descriptor block than the arbitrary value we've chosen. */ + /* No big deal */ + /* In short DO NOT ADD A LOCK HERE, OR WHERE RcvBuffersOnCard is adjusted. */ + /* Second - We expect this test to rarely evaluate to true. We attempt to */ + /* refill descriptor blocks as they are returned to us */ + /* (sxg_complete_descriptor_blocks), so The only time this should evaluate */ + /* to true is when sxg_complete_descriptor_blocks failed to allocate */ + /* receive buffers. */ if (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) { sxg_stock_rcv_buffers(adapter); } - // It's more efficient to just set this to zero. - // But clearing the top bit saves potential debug info... + /* It's more efficient to just set this to zero. */ + /* But clearing the top bit saves potential debug info... */ Event->Status &= ~EVENT_STATUS_VALID; - // Advanct to the next event + /* Advanct to the next event */ SXG_ADVANCE_INDEX(adapter->NextEvent[RssId], EVENT_RING_SIZE); Event = &EventRing->Ring[adapter->NextEvent[RssId]]; EventsProcessed++; if (EventsProcessed == EVENT_RING_BATCH) { - // Release a batch of events back to the card + /* Release a batch of events back to the card */ WRITE_REG(adapter->UcodeRegs[RssId].EventRelease, EVENT_RING_BATCH, FALSE); EventsProcessed = 0; - // If we've processed our batch limit, break out of the - // loop and return SXG_ISR_EVENT to arrange for us to - // be called again + /* If we've processed our batch limit, break out of the */ + /* loop and return SXG_ISR_EVENT to arrange for us to */ + /* be called again */ if (Batches++ == EVENT_BATCH_LIMIT) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "EvtLimit", Batches, @@ -1265,14 +1265,14 @@ static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId) } } #ifdef LINUX_HANDLES_RCV_INDICATION_LISTS - // - // Indicate any received dumb-nic frames - // + /* */ + /* Indicate any received dumb-nic frames */ + /* */ SXG_INDICATE_PACKETS(adapter, IndicationList, num_skbs); #endif - // - // Release events back to the card. - // + /* */ + /* Release events back to the card. */ + /* */ if (EventsProcessed) { WRITE_REG(adapter->UcodeRegs[RssId].EventRelease, EventsProcessed, FALSE); @@ -1299,43 +1299,43 @@ static void sxg_complete_slow_send(p_adapter_t adapter) u32 *ContextType; PSXG_CMD XmtCmd; - // NOTE - This lock is dropped and regrabbed in this loop. - // This means two different processors can both be running - // through this loop. Be *very* careful. + /* NOTE - This lock is dropped and regrabbed in this loop. */ + /* This means two different processors can both be running */ + /* through this loop. Be *very* careful. */ spin_lock(&adapter->XmtZeroLock); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnds", adapter, XmtRingInfo->Head, XmtRingInfo->Tail, 0); while (XmtRingInfo->Tail != *adapter->XmtRingZeroIndex) { - // Locate the current Cmd (ring descriptor entry), and - // associated SGL, and advance the tail + /* Locate the current Cmd (ring descriptor entry), and */ + /* associated SGL, and advance the tail */ SXG_RETURN_CMD(XmtRing, XmtRingInfo, XmtCmd, ContextType); ASSERT(ContextType); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnd", XmtRingInfo->Head, XmtRingInfo->Tail, XmtCmd, 0); - // Clear the SGL field. + /* Clear the SGL field. */ XmtCmd->Sgl = 0; switch (*ContextType) { case SXG_SGL_DUMB: { struct sk_buff *skb; - // Dumb-nic send. Command context is the dumb-nic SGL + /* Dumb-nic send. Command context is the dumb-nic SGL */ skb = (struct sk_buff *)ContextType; - // Complete the send + /* Complete the send */ SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DmSndCmp", skb, 0, 0, 0); ASSERT(adapter->Stats.XmtQLen); - adapter->Stats.XmtQLen--; // within XmtZeroLock + adapter->Stats.XmtQLen--; /* within XmtZeroLock */ adapter->Stats.XmtOk++; - // Now drop the lock and complete the send back to - // Microsoft. We need to drop the lock because - // Microsoft can come back with a chimney send, which - // results in a double trip in SxgTcpOuput + /* Now drop the lock and complete the send back to */ + /* Microsoft. We need to drop the lock because */ + /* Microsoft can come back with a chimney send, which */ + /* results in a double trip in SxgTcpOuput */ spin_unlock(&adapter->XmtZeroLock); SXG_COMPLETE_DUMB_SEND(adapter, skb); - // and reacquire.. + /* and reacquire.. */ spin_lock(&adapter->XmtZeroLock); } break; @@ -1371,7 +1371,7 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event) SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "SlowRcv", Event, RcvDataBufferHdr, RcvDataBufferHdr->State, RcvDataBufferHdr->VirtualAddress); - // Drop rcv frames in non-running state + /* Drop rcv frames in non-running state */ switch (adapter->State) { case SXG_STATE_RUNNING: break; @@ -1384,12 +1384,12 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event) goto drop; } - // Change buffer state to UPSTREAM + /* Change buffer state to UPSTREAM */ RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM; if (Event->Status & EVENT_STATUS_RCVERR) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvError", Event, Event->Status, Event->HostHandle, 0); - // XXXTODO - Remove this print later + /* XXXTODO - Remove this print later */ DBG_ERROR("SXG: Receive error %x\n", *(u32 *) SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr)); sxg_process_rcv_error(adapter, *(u32 *) @@ -1397,8 +1397,8 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event) (RcvDataBufferHdr)); goto drop; } -#if XXXTODO // VLAN stuff - // If there's a VLAN tag, extract it and validate it +#if XXXTODO /* VLAN stuff */ + /* If there's a VLAN tag, extract it and validate it */ if (((p_ether_header) (SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr)))-> EtherType == ETHERTYPE_VLAN) { if (SxgExtractVlanHeader(adapter, RcvDataBufferHdr, Event) != @@ -1411,9 +1411,9 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event) } } #endif - // - // Dumb-nic frame. See if it passes our mac filter and update stats - // + /* */ + /* Dumb-nic frame. See if it passes our mac filter and update stats */ + /* */ if (!sxg_mac_filter(adapter, (p_ether_header) SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), Event->Length)) { @@ -1427,9 +1427,9 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event) SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumbRcv", RcvDataBufferHdr, Packet, Event->Length, 0); - // - // Lastly adjust the receive packet length. - // + /* */ + /* Lastly adjust the receive packet length. */ + /* */ SXG_ADJUST_RCV_PACKET(Packet, RcvDataBufferHdr, Event); return (Packet); @@ -1541,7 +1541,7 @@ static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr, if (SXG_MULTICAST_PACKET(EtherHdr)) { if (SXG_BROADCAST_PACKET(EtherHdr)) { - // broadcast + /* broadcast */ if (adapter->MacFilter & MAC_BCAST) { adapter->Stats.DumbRcvBcastPkts++; adapter->Stats.DumbRcvBcastBytes += length; @@ -1550,7 +1550,7 @@ static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr, return (TRUE); } } else { - // multicast + /* multicast */ if (adapter->MacFilter & MAC_ALLMCAST) { adapter->Stats.DumbRcvMcastPkts++; adapter->Stats.DumbRcvMcastBytes += length; @@ -1580,9 +1580,9 @@ static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr, } } } else if (adapter->MacFilter & MAC_DIRECTED) { - // Not broadcast or multicast. Must be directed at us or - // the card is in promiscuous mode. Either way, consider it - // ours if MAC_DIRECTED is set + /* Not broadcast or multicast. Must be directed at us or */ + /* the card is in promiscuous mode. Either way, consider it */ + /* ours if MAC_DIRECTED is set */ adapter->Stats.DumbRcvUcastPkts++; adapter->Stats.DumbRcvUcastBytes += length; adapter->Stats.DumbRcvPkts++; @@ -1590,7 +1590,7 @@ static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr, return (TRUE); } if (adapter->MacFilter & MAC_PROMISC) { - // Whatever it is, keep it. + /* Whatever it is, keep it. */ adapter->Stats.DumbRcvPkts++; adapter->Stats.DumbRcvBytes += length; return (TRUE); @@ -1625,7 +1625,7 @@ static int sxg_register_interrupt(p_adapter_t adapter) } adapter->intrregistered = 1; adapter->IntRegistered = TRUE; - // Disable RSS with line-based interrupts + /* Disable RSS with line-based interrupts */ adapter->MsiEnabled = FALSE; adapter->RssEnabled = FALSE; DBG_ERROR("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x]\n", @@ -1738,7 +1738,7 @@ static int sxg_entry_open(p_net_device dev) sxg_global.num_sxg_ports_active++; adapter->activated = 1; } - // Initialize the adapter + /* Initialize the adapter */ DBG_ERROR("sxg: %s ENTER sxg_initialize_adapter\n", __func__); status = sxg_initialize_adapter(adapter); DBG_ERROR("sxg: %s EXIT sxg_initialize_adapter status[%x]\n", @@ -1762,7 +1762,7 @@ static int sxg_entry_open(p_net_device dev) } DBG_ERROR("sxg: %s ENABLE ALL INTERRUPTS\n", __func__); - // Enable interrupts + /* Enable interrupts */ SXG_ENABLE_ALL_INTERRUPTS(adapter); DBG_ERROR("sxg: %s EXIT\n", __func__); @@ -1825,11 +1825,11 @@ static int sxg_entry_halt(p_net_device dev) static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd) { ASSERT(rq); -// DBG_ERROR("sxg: %s cmd[%x] rq[%p] dev[%p]\n", __func__, cmd, rq, dev); +/* DBG_ERROR("sxg: %s cmd[%x] rq[%p] dev[%p]\n", __func__, cmd, rq, dev); */ switch (cmd) { case SIOCSLICSETINTAGG: { -// p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); +/* p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); */ u32 data[7]; u32 intagg; @@ -1846,7 +1846,7 @@ static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd) } default: -// DBG_ERROR("sxg: %s UNSUPPORTED[%x]\n", __func__, cmd); +/* DBG_ERROR("sxg: %s UNSUPPORTED[%x]\n", __func__, cmd); */ return -EOPNOTSUPP; } return 0; @@ -1872,13 +1872,13 @@ static int sxg_send_packets(struct sk_buff *skb, p_net_device dev) DBG_ERROR("sxg: %s ENTER sxg_send_packets skb[%p]\n", __func__, skb); - // Check the adapter state + /* Check the adapter state */ switch (adapter->State) { case SXG_STATE_INITIALIZING: case SXG_STATE_HALTED: case SXG_STATE_SHUTDOWN: - ASSERT(0); // unexpected - // fall through + ASSERT(0); /* unexpected */ + /* fall through */ case SXG_STATE_RESETTING: case SXG_STATE_SLEEP: case SXG_STATE_BOOTDIAG: @@ -1898,17 +1898,17 @@ static int sxg_send_packets(struct sk_buff *skb, p_net_device dev) if (status != STATUS_SUCCESS) { goto xmit_fail; } - // send a packet + /* send a packet */ status = sxg_transmit_packet(adapter, skb); if (status == STATUS_SUCCESS) { goto xmit_done; } xmit_fail: - // reject & complete all the packets if they cant be sent + /* reject & complete all the packets if they cant be sent */ if (status != STATUS_SUCCESS) { #if XXXTODO -// sxg_send_packets_fail(adapter, skb, status); +/* sxg_send_packets_fail(adapter, skb, status); */ #else SXG_DROP_DUMB_SEND(adapter, skb); adapter->stats.tx_dropped++; @@ -1940,12 +1940,12 @@ static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb) void *SglBuffer; u32 SglBufferLength; - // The vast majority of work is done in the shared - // sxg_dumb_sgl routine. + /* The vast majority of work is done in the shared */ + /* sxg_dumb_sgl routine. */ SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSend", adapter, skb, 0, 0); - // Allocate a SGL buffer + /* Allocate a SGL buffer */ SXG_GET_SGL_BUFFER(adapter, SxgSgl); if (!SxgSgl) { adapter->Stats.NoSglBuf++; @@ -1963,9 +1963,9 @@ static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb) SxgSgl->DumbPacket = skb; pSgl = NULL; - // Call the common sxg_dumb_sgl routine to complete the send. + /* Call the common sxg_dumb_sgl routine to complete the send. */ sxg_dumb_sgl(pSgl, SxgSgl); - // Return success sxg_dumb_sgl (or something later) will complete it. + /* Return success sxg_dumb_sgl (or something later) will complete it. */ return (STATUS_SUCCESS); } @@ -1983,39 +1983,39 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl) { p_adapter_t adapter = SxgSgl->adapter; struct sk_buff *skb = SxgSgl->DumbPacket; - // For now, all dumb-nic sends go on RSS queue zero + /* For now, all dumb-nic sends go on RSS queue zero */ PSXG_XMT_RING XmtRing = &adapter->XmtRings[0]; PSXG_RING_INFO XmtRingInfo = &adapter->XmtRingZeroInfo; PSXG_CMD XmtCmd = NULL; -// u32 Index = 0; +/* u32 Index = 0; */ u32 DataLength = skb->len; -// unsigned int BufLen; -// u32 SglOffset; +/* unsigned int BufLen; */ +/* u32 SglOffset; */ u64 phys_addr; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSgl", pSgl, SxgSgl, 0, 0); - // Set aside a pointer to the sgl + /* Set aside a pointer to the sgl */ SxgSgl->pSgl = pSgl; - // Sanity check that our SGL format is as we expect. + /* Sanity check that our SGL format is as we expect. */ ASSERT(sizeof(SXG_X64_SGE) == sizeof(SCATTER_GATHER_ELEMENT)); - // Shouldn't be a vlan tag on this frame + /* Shouldn't be a vlan tag on this frame */ ASSERT(SxgSgl->VlanTag.VlanTci == 0); ASSERT(SxgSgl->VlanTag.VlanTpid == 0); - // From here below we work with the SGL placed in our - // buffer. + /* From here below we work with the SGL placed in our */ + /* buffer. */ SxgSgl->Sgl.NumberOfElements = 1; - // Grab the spinlock and acquire a command + /* Grab the spinlock and acquire a command */ spin_lock(&adapter->XmtZeroLock); SXG_GET_CMD(XmtRing, XmtRingInfo, XmtCmd, SxgSgl); if (XmtCmd == NULL) { - // Call sxg_complete_slow_send to see if we can - // free up any XmtRingZero entries and then try again + /* Call sxg_complete_slow_send to see if we can */ + /* free up any XmtRingZero entries and then try again */ spin_unlock(&adapter->XmtZeroLock); sxg_complete_slow_send(adapter); spin_lock(&adapter->XmtZeroLock); @@ -2027,10 +2027,10 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl) } SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbCmd", XmtCmd, XmtRingInfo->Head, XmtRingInfo->Tail, 0); - // Update stats + /* Update stats */ adapter->Stats.DumbXmtPkts++; adapter->Stats.DumbXmtBytes += DataLength; -#if XXXTODO // Stats stuff +#if XXXTODO /* Stats stuff */ if (SXG_MULTICAST_PACKET(EtherHdr)) { if (SXG_BROADCAST_PACKET(EtherHdr)) { adapter->Stats.DumbXmtBcastPkts++; @@ -2044,8 +2044,8 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl) adapter->Stats.DumbXmtUcastBytes += DataLength; } #endif - // Fill in the command - // Copy out the first SGE to the command and adjust for offset + /* Fill in the command */ + /* Copy out the first SGE to the command and adjust for offset */ phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len, PCI_DMA_TODEVICE); @@ -2053,54 +2053,54 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl) XmtCmd->Buffer.FirstSgeAddress = XmtCmd->Buffer.FirstSgeAddress << 32; XmtCmd->Buffer.FirstSgeAddress = XmtCmd->Buffer.FirstSgeAddress | SXG_GET_ADDR_LOW(phys_addr); -// XmtCmd->Buffer.FirstSgeAddress = SxgSgl->Sgl.Elements[Index].Address; -// XmtCmd->Buffer.FirstSgeAddress.LowPart += MdlOffset; +/* XmtCmd->Buffer.FirstSgeAddress = SxgSgl->Sgl.Elements[Index].Address; */ +/* XmtCmd->Buffer.FirstSgeAddress.LowPart += MdlOffset; */ XmtCmd->Buffer.FirstSgeLength = DataLength; - // Set a pointer to the remaining SGL entries -// XmtCmd->Sgl = SxgSgl->PhysicalAddress; - // Advance the physical address of the SxgSgl structure to - // the second SGE -// SglOffset = (u32)((u32 *)(&SxgSgl->Sgl.Elements[Index+1]) - -// (u32 *)SxgSgl); -// XmtCmd->Sgl.LowPart += SglOffset; + /* Set a pointer to the remaining SGL entries */ +/* XmtCmd->Sgl = SxgSgl->PhysicalAddress; */ + /* Advance the physical address of the SxgSgl structure to */ + /* the second SGE */ +/* SglOffset = (u32)((u32 *)(&SxgSgl->Sgl.Elements[Index+1]) - */ +/* (u32 *)SxgSgl); */ +/* XmtCmd->Sgl.LowPart += SglOffset; */ XmtCmd->Buffer.SgeOffset = 0; - // Note - TotalLength might be overwritten with MSS below.. + /* Note - TotalLength might be overwritten with MSS below.. */ XmtCmd->Buffer.TotalLength = DataLength; - XmtCmd->SgEntries = 1; //(ushort)(SxgSgl->Sgl.NumberOfElements - Index); + XmtCmd->SgEntries = 1; /*(ushort)(SxgSgl->Sgl.NumberOfElements - Index); */ XmtCmd->Flags = 0; - // - // Advance transmit cmd descripter by 1. - // NOTE - See comments in SxgTcpOutput where we write - // to the XmtCmd register regarding CPU ID values and/or - // multiple commands. - // - // + /* */ + /* Advance transmit cmd descripter by 1. */ + /* NOTE - See comments in SxgTcpOutput where we write */ + /* to the XmtCmd register regarding CPU ID values and/or */ + /* multiple commands. */ + /* */ + /* */ WRITE_REG(adapter->UcodeRegs[0].XmtCmd, 1, TRUE); - // - // - adapter->Stats.XmtQLen++; // Stats within lock + /* */ + /* */ + adapter->Stats.XmtQLen++; /* Stats within lock */ spin_unlock(&adapter->XmtZeroLock); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDumSgl2", XmtCmd, pSgl, SxgSgl, 0); return; abortcmd: - // NOTE - Only jump to this label AFTER grabbing the - // XmtZeroLock, and DO NOT DROP IT between the - // command allocation and the following abort. + /* NOTE - Only jump to this label AFTER grabbing the */ + /* XmtZeroLock, and DO NOT DROP IT between the */ + /* command allocation and the following abort. */ if (XmtCmd) { SXG_ABORT_CMD(XmtRingInfo); } spin_unlock(&adapter->XmtZeroLock); -// failsgl: - // Jump to this label if failure occurs before the - // XmtZeroLock is grabbed +/* failsgl: */ + /* Jump to this label if failure occurs before the */ + /* XmtZeroLock is grabbed */ adapter->Stats.XmtErrors++; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumSGFal", pSgl, SxgSgl, XmtRingInfo->Head, XmtRingInfo->Tail); - SXG_COMPLETE_DUMB_SEND(adapter, SxgSgl->DumbPacket); // SxgSgl->DumbPacket is the skb + SXG_COMPLETE_DUMB_SEND(adapter, SxgSgl->DumbPacket); /* SxgSgl->DumbPacket is the skb */ } /*************************************************************** @@ -2127,122 +2127,122 @@ static int sxg_initialize_link(p_adapter_t adapter) SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "InitLink", adapter, 0, 0, 0); - // Reset PHY and XGXS module + /* Reset PHY and XGXS module */ WRITE_REG(HwRegs->LinkStatus, LS_SERDES_POWER_DOWN, TRUE); - // Reset transmit configuration register + /* Reset transmit configuration register */ WRITE_REG(HwRegs->XmtConfig, XMT_CONFIG_RESET, TRUE); - // Reset receive configuration register + /* Reset receive configuration register */ WRITE_REG(HwRegs->RcvConfig, RCV_CONFIG_RESET, TRUE); - // Reset all MAC modules + /* Reset all MAC modules */ WRITE_REG(HwRegs->MacConfig0, AXGMAC_CFG0_SUB_RESET, TRUE); - // Link address 0 - // XXXTODO - This assumes the MAC address (0a:0b:0c:0d:0e:0f) - // is stored with the first nibble (0a) in the byte 0 - // of the Mac address. Possibly reverse? + /* Link address 0 */ + /* XXXTODO - This assumes the MAC address (0a:0b:0c:0d:0e:0f) */ + /* is stored with the first nibble (0a) in the byte 0 */ + /* of the Mac address. Possibly reverse? */ Value = *(u32 *) adapter->MacAddr; WRITE_REG(HwRegs->LinkAddress0Low, Value, TRUE); - // also write the MAC address to the MAC. Endian is reversed. + /* also write the MAC address to the MAC. Endian is reversed. */ WRITE_REG(HwRegs->MacAddressLow, ntohl(Value), TRUE); Value = (*(u16 *) & adapter->MacAddr[4] & 0x0000FFFF); WRITE_REG(HwRegs->LinkAddress0High, Value | LINK_ADDRESS_ENABLE, TRUE); - // endian swap for the MAC (put high bytes in bits [31:16], swapped) + /* endian swap for the MAC (put high bytes in bits [31:16], swapped) */ Value = ntohl(Value); WRITE_REG(HwRegs->MacAddressHigh, Value, TRUE); - // Link address 1 + /* Link address 1 */ WRITE_REG(HwRegs->LinkAddress1Low, 0, TRUE); WRITE_REG(HwRegs->LinkAddress1High, 0, TRUE); - // Link address 2 + /* Link address 2 */ WRITE_REG(HwRegs->LinkAddress2Low, 0, TRUE); WRITE_REG(HwRegs->LinkAddress2High, 0, TRUE); - // Link address 3 + /* Link address 3 */ WRITE_REG(HwRegs->LinkAddress3Low, 0, TRUE); WRITE_REG(HwRegs->LinkAddress3High, 0, TRUE); - // Enable MAC modules + /* Enable MAC modules */ WRITE_REG(HwRegs->MacConfig0, 0, TRUE); - // Configure MAC - WRITE_REG(HwRegs->MacConfig1, (AXGMAC_CFG1_XMT_PAUSE | // Allow sending of pause - AXGMAC_CFG1_XMT_EN | // Enable XMT - AXGMAC_CFG1_RCV_PAUSE | // Enable detection of pause - AXGMAC_CFG1_RCV_EN | // Enable receive - AXGMAC_CFG1_SHORT_ASSERT | // short frame detection - AXGMAC_CFG1_CHECK_LEN | // Verify frame length - AXGMAC_CFG1_GEN_FCS | // Generate FCS - AXGMAC_CFG1_PAD_64), // Pad frames to 64 bytes + /* Configure MAC */ + WRITE_REG(HwRegs->MacConfig1, (AXGMAC_CFG1_XMT_PAUSE | /* Allow sending of pause */ + AXGMAC_CFG1_XMT_EN | /* Enable XMT */ + AXGMAC_CFG1_RCV_PAUSE | /* Enable detection of pause */ + AXGMAC_CFG1_RCV_EN | /* Enable receive */ + AXGMAC_CFG1_SHORT_ASSERT | /* short frame detection */ + AXGMAC_CFG1_CHECK_LEN | /* Verify frame length */ + AXGMAC_CFG1_GEN_FCS | /* Generate FCS */ + AXGMAC_CFG1_PAD_64), /* Pad frames to 64 bytes */ TRUE); - // Set AXGMAC max frame length if jumbo. Not needed for standard MTU + /* Set AXGMAC max frame length if jumbo. Not needed for standard MTU */ if (adapter->JumboEnabled) { WRITE_REG(HwRegs->MacMaxFrameLen, AXGMAC_MAXFRAME_JUMBO, TRUE); } - // AMIIM Configuration Register - - // The value placed in the AXGMAC_AMIIM_CFG_HALF_CLOCK portion - // (bottom bits) of this register is used to determine the - // MDC frequency as specified in the A-XGMAC Design Document. - // This value must not be zero. The following value (62 or 0x3E) - // is based on our MAC transmit clock frequency (MTCLK) of 312.5 MHz. - // Given a maximum MDIO clock frequency of 2.5 MHz (see the PHY spec), - // we get: 312.5/(2*(X+1)) < 2.5 ==> X = 62. - // This value happens to be the default value for this register, - // so we really don't have to do this. + /* AMIIM Configuration Register - */ + /* The value placed in the AXGMAC_AMIIM_CFG_HALF_CLOCK portion */ + /* (bottom bits) of this register is used to determine the */ + /* MDC frequency as specified in the A-XGMAC Design Document. */ + /* This value must not be zero. The following value (62 or 0x3E) */ + /* is based on our MAC transmit clock frequency (MTCLK) of 312.5 MHz. */ + /* Given a maximum MDIO clock frequency of 2.5 MHz (see the PHY spec), */ + /* we get: 312.5/(2*(X+1)) < 2.5 ==> X = 62. */ + /* This value happens to be the default value for this register, */ + /* so we really don't have to do this. */ WRITE_REG(HwRegs->MacAmiimConfig, 0x0000003E, TRUE); - // Power up and enable PHY and XAUI/XGXS/Serdes logic + /* Power up and enable PHY and XAUI/XGXS/Serdes logic */ WRITE_REG(HwRegs->LinkStatus, (LS_PHY_CLR_RESET | LS_XGXS_ENABLE | LS_XGXS_CTL | LS_PHY_CLK_EN | LS_ATTN_ALARM), TRUE); DBG_ERROR("After Power Up and enable PHY in sxg_initialize_link\n"); - // Per information given by Aeluros, wait 100 ms after removing reset. - // It's not enough to wait for the self-clearing reset bit in reg 0 to clear. + /* Per information given by Aeluros, wait 100 ms after removing reset. */ + /* It's not enough to wait for the self-clearing reset bit in reg 0 to clear. */ mdelay(100); - // Verify the PHY has come up by checking that the Reset bit has cleared. - status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module - PHY_PMA_CONTROL1, // PMA/PMD control register + /* Verify the PHY has come up by checking that the Reset bit has cleared. */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, /* PHY PMA/PMD module */ + PHY_PMA_CONTROL1, /* PMA/PMD control register */ &Value); if (status != STATUS_SUCCESS) return (STATUS_FAILURE); - if (Value & PMA_CONTROL1_RESET) // reset complete if bit is 0 + if (Value & PMA_CONTROL1_RESET) /* reset complete if bit is 0 */ return (STATUS_FAILURE); - // The SERDES should be initialized by now - confirm + /* The SERDES should be initialized by now - confirm */ READ_REG(HwRegs->LinkStatus, Value); - if (Value & LS_SERDES_DOWN) // verify SERDES is initialized + if (Value & LS_SERDES_DOWN) /* verify SERDES is initialized */ return (STATUS_FAILURE); - // The XAUI link should also be up - confirm - if (!(Value & LS_XAUI_LINK_UP)) // verify XAUI link is up + /* The XAUI link should also be up - confirm */ + if (!(Value & LS_XAUI_LINK_UP)) /* verify XAUI link is up */ return (STATUS_FAILURE); - // Initialize the PHY + /* Initialize the PHY */ status = sxg_phy_init(adapter); if (status != STATUS_SUCCESS) return (STATUS_FAILURE); - // Enable the Link Alarm - status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module - LASI_CONTROL, // LASI control register - LASI_CTL_LS_ALARM_ENABLE); // enable link alarm bit + /* Enable the Link Alarm */ + status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA, /* PHY PMA/PMD module */ + LASI_CONTROL, /* LASI control register */ + LASI_CTL_LS_ALARM_ENABLE); /* enable link alarm bit */ if (status != STATUS_SUCCESS) return (STATUS_FAILURE); - // XXXTODO - temporary - verify bit is set - status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module - LASI_CONTROL, // LASI control register + /* XXXTODO - temporary - verify bit is set */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, /* PHY PMA/PMD module */ + LASI_CONTROL, /* LASI control register */ &Value); if (status != STATUS_SUCCESS) return (STATUS_FAILURE); if (!(Value & LASI_CTL_LS_ALARM_ENABLE)) { DBG_ERROR("Error! LASI Control Alarm Enable bit not set!\n"); } - // Enable receive + /* Enable receive */ MaxFrame = adapter->JumboEnabled ? JUMBOMAXFRAME : ETHERMAXFRAME; ConfigData = (RCV_CONFIG_ENABLE | RCV_CONFIG_ENPARSE | @@ -2256,7 +2256,7 @@ static int sxg_initialize_link(p_adapter_t adapter) WRITE_REG(HwRegs->XmtConfig, XMT_CONFIG_ENABLE, TRUE); - // Mark the link as down. We'll get a link event when it comes up. + /* Mark the link as down. We'll get a link event when it comes up. */ sxg_link_state(adapter, SXG_LINK_DOWN); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XInitLnk", @@ -2281,27 +2281,27 @@ static int sxg_phy_init(p_adapter_t adapter) DBG_ERROR("ENTER %s\n", __func__); - // Read a register to identify the PHY type - status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module - 0xC205, // PHY ID register (?) - &Value); // XXXTODO - add def + /* Read a register to identify the PHY type */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, /* PHY PMA/PMD module */ + 0xC205, /* PHY ID register (?) */ + &Value); /* XXXTODO - add def */ if (status != STATUS_SUCCESS) return (STATUS_FAILURE); - if (Value == 0x0012) { // 0x0012 == AEL2005C PHY(?) - XXXTODO - add def + if (Value == 0x0012) { /* 0x0012 == AEL2005C PHY(?) - XXXTODO - add def */ DBG_ERROR ("AEL2005C PHY detected. Downloading PHY microcode.\n"); - // Initialize AEL2005C PHY and download PHY microcode + /* Initialize AEL2005C PHY and download PHY microcode */ for (p = PhyUcode; p->Addr != 0xFFFF; p++) { if (p->Addr == 0) { - // if address == 0, data == sleep time in ms + /* if address == 0, data == sleep time in ms */ mdelay(p->Data); } else { - // write the given data to the specified address - status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module - p->Addr, // PHY address - p->Data); // PHY data + /* write the given data to the specified address */ + status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA, /* PHY PMA/PMD module */ + p->Addr, /* PHY address */ + p->Data); /* PHY data */ if (status != STATUS_SUCCESS) return (STATUS_FAILURE); } @@ -2332,38 +2332,38 @@ static void sxg_link_event(p_adapter_t adapter) adapter, 0, 0, 0); DBG_ERROR("ENTER %s\n", __func__); - // Check the Link Status register. We should have a Link Alarm. + /* Check the Link Status register. We should have a Link Alarm. */ READ_REG(HwRegs->LinkStatus, Value); if (Value & LS_LINK_ALARM) { - // We got a Link Status alarm. First, pause to let the - // link state settle (it can bounce a number of times) + /* We got a Link Status alarm. First, pause to let the */ + /* link state settle (it can bounce a number of times) */ mdelay(10); - // Now clear the alarm by reading the LASI status register. - status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module - LASI_STATUS, // LASI status register + /* Now clear the alarm by reading the LASI status register. */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, /* PHY PMA/PMD module */ + LASI_STATUS, /* LASI status register */ &Value); if (status != STATUS_SUCCESS) { DBG_ERROR("Error reading LASI Status MDIO register!\n"); sxg_link_state(adapter, SXG_LINK_DOWN); -// ASSERT(0); +/* ASSERT(0); */ } ASSERT(Value & LASI_STATUS_LS_ALARM); - // Now get and set the link state + /* Now get and set the link state */ LinkState = sxg_get_link_state(adapter); sxg_link_state(adapter, LinkState); DBG_ERROR("SXG: Link Alarm occurred. Link is %s\n", ((LinkState == SXG_LINK_UP) ? "UP" : "DOWN")); } else { - // XXXTODO - Assuming Link Attention is only being generated for the - // Link Alarm pin (and not for a XAUI Link Status change), then it's - // impossible to get here. Yet we've gotten here twice (under extreme - // conditions - bouncing the link up and down many times a second). - // Needs further investigation. + /* XXXTODO - Assuming Link Attention is only being generated for the */ + /* Link Alarm pin (and not for a XAUI Link Status change), then it's */ + /* impossible to get here. Yet we've gotten here twice (under extreme */ + /* conditions - bouncing the link up and down many times a second). */ + /* Needs further investigation. */ DBG_ERROR("SXG: sxg_link_event: Can't get here!\n"); DBG_ERROR("SXG: Link Status == 0x%08X.\n", Value); -// ASSERT(0); +/* ASSERT(0); */ } DBG_ERROR("EXIT %s\n", __func__); @@ -2388,45 +2388,45 @@ static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter) SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "GetLink", adapter, 0, 0, 0); - // Per the Xenpak spec (and the IEEE 10Gb spec?), the link is up if - // the following 3 bits (from 3 different MDIO registers) are all true. - status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module - PHY_PMA_RCV_DET, // PMA/PMD Receive Signal Detect register + /* Per the Xenpak spec (and the IEEE 10Gb spec?), the link is up if */ + /* the following 3 bits (from 3 different MDIO registers) are all true. */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, /* PHY PMA/PMD module */ + PHY_PMA_RCV_DET, /* PMA/PMD Receive Signal Detect register */ &Value); if (status != STATUS_SUCCESS) goto bad; - // If PMA/PMD receive signal detect is 0, then the link is down + /* If PMA/PMD receive signal detect is 0, then the link is down */ if (!(Value & PMA_RCV_DETECT)) return (SXG_LINK_DOWN); - status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PCS, // PHY PCS module - PHY_PCS_10G_STATUS1, // PCS 10GBASE-R Status 1 register + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PCS, /* PHY PCS module */ + PHY_PCS_10G_STATUS1, /* PCS 10GBASE-R Status 1 register */ &Value); if (status != STATUS_SUCCESS) goto bad; - // If PCS is not locked to receive blocks, then the link is down + /* If PCS is not locked to receive blocks, then the link is down */ if (!(Value & PCS_10B_BLOCK_LOCK)) return (SXG_LINK_DOWN); - status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_XS, // PHY XS module - PHY_XS_LANE_STATUS, // XS Lane Status register + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_XS, /* PHY XS module */ + PHY_XS_LANE_STATUS, /* XS Lane Status register */ &Value); if (status != STATUS_SUCCESS) goto bad; - // If XS transmit lanes are not aligned, then the link is down + /* If XS transmit lanes are not aligned, then the link is down */ if (!(Value & XS_LANE_ALIGN)) return (SXG_LINK_DOWN); - // All 3 bits are true, so the link is up + /* All 3 bits are true, so the link is up */ DBG_ERROR("EXIT %s\n", __func__); return (SXG_LINK_UP); bad: - // An error occurred reading an MDIO register. This shouldn't happen. + /* An error occurred reading an MDIO register. This shouldn't happen. */ DBG_ERROR("Error reading an MDIO register!\n"); ASSERT(0); return (SXG_LINK_DOWN); @@ -2466,19 +2466,19 @@ static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState) DBG_ERROR("ENTER %s\n", __func__); - // Hold the adapter lock during this routine. Maybe move - // the lock to the caller. + /* Hold the adapter lock during this routine. Maybe move */ + /* the lock to the caller. */ spin_lock(&adapter->AdapterLock); if (LinkState == adapter->LinkState) { - // Nothing changed.. + /* Nothing changed.. */ spin_unlock(&adapter->AdapterLock); DBG_ERROR("EXIT #0 %s\n", __func__); return; } - // Save the adapter state + /* Save the adapter state */ adapter->LinkState = LinkState; - // Drop the lock and indicate link state + /* Drop the lock and indicate link state */ spin_unlock(&adapter->AdapterLock); DBG_ERROR("EXIT #1 %s\n", __func__); @@ -2501,76 +2501,76 @@ static int sxg_write_mdio_reg(p_adapter_t adapter, u32 DevAddr, u32 RegAddr, u32 Value) { PSXG_HW_REGS HwRegs = adapter->HwRegs; - u32 AddrOp; // Address operation (written to MIIM field reg) - u32 WriteOp; // Write operation (written to MIIM field reg) - u32 Cmd; // Command (written to MIIM command reg) + u32 AddrOp; /* Address operation (written to MIIM field reg) */ + u32 WriteOp; /* Write operation (written to MIIM field reg) */ + u32 Cmd; /* Command (written to MIIM command reg) */ u32 ValueRead; u32 Timeout; -// DBG_ERROR("ENTER %s\n", __func__); +/* DBG_ERROR("ENTER %s\n", __func__); */ SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO", adapter, 0, 0, 0); - // Ensure values don't exceed field width - DevAddr &= 0x001F; // 5-bit field - RegAddr &= 0xFFFF; // 16-bit field - Value &= 0xFFFF; // 16-bit field + /* Ensure values don't exceed field width */ + DevAddr &= 0x001F; /* 5-bit field */ + RegAddr &= 0xFFFF; /* 16-bit field */ + Value &= 0xFFFF; /* 16-bit field */ - // Set MIIM field register bits for an MIIM address operation + /* Set MIIM field register bits for an MIIM address operation */ AddrOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) | (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) | (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) | (MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT) | RegAddr; - // Set MIIM field register bits for an MIIM write operation + /* Set MIIM field register bits for an MIIM write operation */ WriteOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) | (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) | (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) | (MIIM_OP_WRITE << AXGMAC_AMIIM_FIELD_OP_SHIFT) | Value; - // Set MIIM command register bits to execute an MIIM command + /* Set MIIM command register bits to execute an MIIM command */ Cmd = AXGMAC_AMIIM_CMD_START | AXGMAC_AMIIM_CMD_10G_OPERATION; - // Reset the command register command bit (in case it's not 0) + /* Reset the command register command bit (in case it's not 0) */ WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE); - // MIIM write to set the address of the specified MDIO register + /* MIIM write to set the address of the specified MDIO register */ WRITE_REG(HwRegs->MacAmiimField, AddrOp, TRUE); - // Write to MIIM Command Register to execute to address operation + /* Write to MIIM Command Register to execute to address operation */ WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE); - // Poll AMIIM Indicator register to wait for completion + /* Poll AMIIM Indicator register to wait for completion */ Timeout = SXG_LINK_TIMEOUT; do { - udelay(100); // Timeout in 100us units + udelay(100); /* Timeout in 100us units */ READ_REG(HwRegs->MacAmiimIndicator, ValueRead); if (--Timeout == 0) { return (STATUS_FAILURE); } } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); - // Reset the command register command bit + /* Reset the command register command bit */ WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE); - // MIIM write to set up an MDIO write operation + /* MIIM write to set up an MDIO write operation */ WRITE_REG(HwRegs->MacAmiimField, WriteOp, TRUE); - // Write to MIIM Command Register to execute the write operation + /* Write to MIIM Command Register to execute the write operation */ WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE); - // Poll AMIIM Indicator register to wait for completion + /* Poll AMIIM Indicator register to wait for completion */ Timeout = SXG_LINK_TIMEOUT; do { - udelay(100); // Timeout in 100us units + udelay(100); /* Timeout in 100us units */ READ_REG(HwRegs->MacAmiimIndicator, ValueRead); if (--Timeout == 0) { return (STATUS_FAILURE); } } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); -// DBG_ERROR("EXIT %s\n", __func__); +/* DBG_ERROR("EXIT %s\n", __func__); */ return (STATUS_SUCCESS); } @@ -2591,78 +2591,78 @@ static int sxg_read_mdio_reg(p_adapter_t adapter, u32 DevAddr, u32 RegAddr, u32 *pValue) { PSXG_HW_REGS HwRegs = adapter->HwRegs; - u32 AddrOp; // Address operation (written to MIIM field reg) - u32 ReadOp; // Read operation (written to MIIM field reg) - u32 Cmd; // Command (written to MIIM command reg) + u32 AddrOp; /* Address operation (written to MIIM field reg) */ + u32 ReadOp; /* Read operation (written to MIIM field reg) */ + u32 Cmd; /* Command (written to MIIM command reg) */ u32 ValueRead; u32 Timeout; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO", adapter, 0, 0, 0); -// DBG_ERROR("ENTER %s\n", __func__); +/* DBG_ERROR("ENTER %s\n", __func__); */ - // Ensure values don't exceed field width - DevAddr &= 0x001F; // 5-bit field - RegAddr &= 0xFFFF; // 16-bit field + /* Ensure values don't exceed field width */ + DevAddr &= 0x001F; /* 5-bit field */ + RegAddr &= 0xFFFF; /* 16-bit field */ - // Set MIIM field register bits for an MIIM address operation + /* Set MIIM field register bits for an MIIM address operation */ AddrOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) | (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) | (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) | (MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT) | RegAddr; - // Set MIIM field register bits for an MIIM read operation + /* Set MIIM field register bits for an MIIM read operation */ ReadOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) | (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) | (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) | (MIIM_OP_READ << AXGMAC_AMIIM_FIELD_OP_SHIFT); - // Set MIIM command register bits to execute an MIIM command + /* Set MIIM command register bits to execute an MIIM command */ Cmd = AXGMAC_AMIIM_CMD_START | AXGMAC_AMIIM_CMD_10G_OPERATION; - // Reset the command register command bit (in case it's not 0) + /* Reset the command register command bit (in case it's not 0) */ WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE); - // MIIM write to set the address of the specified MDIO register + /* MIIM write to set the address of the specified MDIO register */ WRITE_REG(HwRegs->MacAmiimField, AddrOp, TRUE); - // Write to MIIM Command Register to execute to address operation + /* Write to MIIM Command Register to execute to address operation */ WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE); - // Poll AMIIM Indicator register to wait for completion + /* Poll AMIIM Indicator register to wait for completion */ Timeout = SXG_LINK_TIMEOUT; do { - udelay(100); // Timeout in 100us units + udelay(100); /* Timeout in 100us units */ READ_REG(HwRegs->MacAmiimIndicator, ValueRead); if (--Timeout == 0) { return (STATUS_FAILURE); } } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); - // Reset the command register command bit + /* Reset the command register command bit */ WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE); - // MIIM write to set up an MDIO register read operation + /* MIIM write to set up an MDIO register read operation */ WRITE_REG(HwRegs->MacAmiimField, ReadOp, TRUE); - // Write to MIIM Command Register to execute the read operation + /* Write to MIIM Command Register to execute the read operation */ WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE); - // Poll AMIIM Indicator register to wait for completion + /* Poll AMIIM Indicator register to wait for completion */ Timeout = SXG_LINK_TIMEOUT; do { - udelay(100); // Timeout in 100us units + udelay(100); /* Timeout in 100us units */ READ_REG(HwRegs->MacAmiimIndicator, ValueRead); if (--Timeout == 0) { return (STATUS_FAILURE); } } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); - // Read the MDIO register data back from the field register + /* Read the MDIO register data back from the field register */ READ_REG(HwRegs->MacAmiimField, *pValue); - *pValue &= 0xFFFF; // data is in the lower 16 bits + *pValue &= 0xFFFF; /* data is in the lower 16 bits */ -// DBG_ERROR("EXIT %s\n", __func__); +/* DBG_ERROR("EXIT %s\n", __func__); */ return (STATUS_SUCCESS); } @@ -2852,10 +2852,10 @@ static void sxg_mcast_set_mask(p_adapter_t adapter) * mode as well as ALLMCAST mode. It saves the Microcode from having * to keep state about the MAC configuration. */ -// DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n SLUT MODE!!!\n",__func__); +/* DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n SLUT MODE!!!\n",__func__); */ WRITE_REG(sxg_regs->McastLow, 0xFFFFFFFF, FLUSH); WRITE_REG(sxg_regs->McastHigh, 0xFFFFFFFF, FLUSH); -// DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__func__, adapter->netdev->name); +/* DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__func__, adapter->netdev->name); */ } else { /* Commit our multicast mast to the SLIC by writing to the multicast @@ -2878,10 +2878,10 @@ static void sxg_mcast_set_mask(p_adapter_t adapter) static void sxg_unmap_mmio_space(p_adapter_t adapter) { #if LINUX_FREES_ADAPTER_RESOURCES -// if (adapter->Regs) { -// iounmap(adapter->Regs); -// } -// adapter->slic_regs = NULL; +/* if (adapter->Regs) { */ +/* iounmap(adapter->Regs); */ +/* } */ +/* adapter->slic_regs = NULL; */ #endif } @@ -2909,8 +2909,8 @@ void SxgFreeResources(p_adapter_t adapter) IsrCount = adapter->MsiEnabled ? RssIds : 1; if (adapter->BasicAllocations == FALSE) { - // No allocations have been made, including spinlocks, - // or listhead initializations. Return. + /* No allocations have been made, including spinlocks, */ + /* or listhead initializations. Return. */ return; } @@ -2920,7 +2920,7 @@ void SxgFreeResources(p_adapter_t adapter) if (!(IsListEmpty(&adapter->AllSglBuffers))) { SxgFreeSglBuffers(adapter); } - // Free event queues. + /* Free event queues. */ if (adapter->EventRings) { pci_free_consistent(adapter->pcidev, sizeof(SXG_EVENT_RING) * RssIds, @@ -2947,17 +2947,17 @@ void SxgFreeResources(p_adapter_t adapter) SXG_FREE_PACKET_POOL(adapter->PacketPoolHandle); SXG_FREE_BUFFER_POOL(adapter->BufferPoolHandle); - // Unmap register spaces + /* Unmap register spaces */ SxgUnmapResources(adapter); - // Deregister DMA + /* Deregister DMA */ if (adapter->DmaHandle) { SXG_DEREGISTER_DMA(adapter->DmaHandle); } - // Deregister interrupt + /* Deregister interrupt */ SxgDeregisterInterrupt(adapter); - // Possibly free system info (5.2 only) + /* Possibly free system info (5.2 only) */ SXG_RELEASE_SYSTEM_INFO(adapter); SxgDiagFreeResources(adapter); @@ -3047,23 +3047,23 @@ static int sxg_allocate_buffer_memory(p_adapter_t adapter, SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocMem", adapter, Size, BufferType, 0); - // Grab the adapter lock and check the state. - // If we're in anything other than INITIALIZING or - // RUNNING state, fail. This is to prevent - // allocations in an improper driver state + /* Grab the adapter lock and check the state. */ + /* If we're in anything other than INITIALIZING or */ + /* RUNNING state, fail. This is to prevent */ + /* allocations in an improper driver state */ spin_lock(&adapter->AdapterLock); - // Increment the AllocationsPending count while holding - // the lock. Pause processing relies on this + /* Increment the AllocationsPending count while holding */ + /* the lock. Pause processing relies on this */ ++adapter->AllocationsPending; spin_unlock(&adapter->AdapterLock); - // At initialization time allocate resources synchronously. + /* At initialization time allocate resources synchronously. */ Buffer = pci_alloc_consistent(adapter->pcidev, Size, &pBuffer); if (Buffer == NULL) { spin_lock(&adapter->AdapterLock); - // Decrement the AllocationsPending count while holding - // the lock. Pause processing relies on this + /* Decrement the AllocationsPending count while holding */ + /* the lock. Pause processing relies on this */ --adapter->AllocationsPending; spin_unlock(&adapter->AdapterLock); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlcMemF1", @@ -3113,10 +3113,10 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, ASSERT((BufferSize == SXG_RCV_DATA_BUFFER_SIZE) || (BufferSize == SXG_RCV_JUMBO_BUFFER_SIZE)); ASSERT(Length == SXG_RCV_BLOCK_SIZE(BufferSize)); - // 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 + /* 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; @@ -3126,14 +3126,14 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, for (i = 0, Paddr = PhysicalAddress; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) { - // + /* */ RcvDataBufferHdr = (PSXG_RCV_DATA_BUFFER_HDR) (RcvDataBuffer + SXG_RCV_DATA_BUFFER_HDR_OFFSET (BufferSize)); RcvDataBufferHdr->VirtualAddress = RcvDataBuffer; RcvDataBufferHdr->PhysicalAddress = Paddr; - RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM; // For FREE macro assertion + RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM; /* For FREE macro assertion */ RcvDataBufferHdr->Size = SXG_RCV_BUFFER_DATA_SIZE(BufferSize); @@ -3143,8 +3143,8 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, } - // Place this entire block of memory on the AllRcvBlocks queue so it can be - // free later + /* Place this entire block of memory on the AllRcvBlocks queue so it can be */ + /* free later */ RcvBlockHdr = (PSXG_RCV_BLOCK_HDR) ((unsigned char *)RcvBlock + SXG_RCV_BLOCK_HDR_OFFSET(BufferSize)); @@ -3155,7 +3155,7 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, InsertTailList(&adapter->AllRcvBlocks, &RcvBlockHdr->AllList); spin_unlock(&adapter->RcvQLock); - // Now free the contained receive data buffers that we initialized above + /* Now free the contained receive data buffers that we initialized above */ RcvDataBuffer = RcvBlock; for (i = 0, Paddr = PhysicalAddress; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; @@ -3168,7 +3168,7 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, spin_unlock(&adapter->RcvQLock); } - // Locate the descriptor block and put it on a separate free queue + /* Locate the descriptor block and put it on a separate free queue */ RcvDescriptorBlock = (PSXG_RCV_DESCRIPTOR_BLOCK) ((unsigned char *)RcvBlock + SXG_RCV_DESCRIPTOR_BLOCK_OFFSET @@ -3186,7 +3186,7 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, adapter, RcvBlock, Length, 0); return; fail: - // Free any allocated resources + /* Free any allocated resources */ if (RcvBlock) { RcvDataBuffer = RcvBlock; for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; @@ -3230,7 +3230,7 @@ static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter, adapter->AllSglBufferCount++; memset(SxgSgl, 0, sizeof(SXG_SCATTER_GATHER)); SxgSgl->PhysicalAddress = PhysicalAddress; /* *PhysicalAddress; */ - SxgSgl->adapter = adapter; // Initialize backpointer once + SxgSgl->adapter = adapter; /* Initialize backpointer once */ InsertTailList(&adapter->AllSglBuffers, &SxgSgl->AllList); spin_unlock(&adapter->SglQLock); SxgSgl->State = SXG_BUFFER_BUSY; @@ -3244,14 +3244,14 @@ static unsigned char temp_mac_address[6] = static void sxg_adapter_set_hwaddr(p_adapter_t adapter) { -// DBG_ERROR ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", __func__, -// card->config_set, adapter->port, adapter->physport, adapter->functionnumber); -// -// sxg_dbg_macaddrs(adapter); +/* DBG_ERROR ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", __func__, */ +/* card->config_set, adapter->port, adapter->physport, adapter->functionnumber); */ +/* */ +/* sxg_dbg_macaddrs(adapter); */ memcpy(adapter->macaddr, temp_mac_address, sizeof(SXG_CONFIG_MAC)); -// DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", __func__); -// sxg_dbg_macaddrs(adapter); +/* DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", __func__); */ +/* sxg_dbg_macaddrs(adapter); */ if (!(adapter->currmacaddr[0] || adapter->currmacaddr[1] || adapter->currmacaddr[2] || @@ -3262,7 +3262,7 @@ static void sxg_adapter_set_hwaddr(p_adapter_t adapter) if (adapter->netdev) { memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, 6); } -// DBG_ERROR ("%s EXIT port %d\n", __func__, adapter->port); +/* DBG_ERROR ("%s EXIT port %d\n", __func__, adapter->port); */ sxg_dbg_macaddrs(adapter); } @@ -3321,68 +3321,68 @@ static int sxg_initialize_adapter(p_adapter_t adapter) SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "InitAdpt", adapter, 0, 0, 0); - RssIds = 1; // XXXTODO SXG_RSS_CPU_COUNT(adapter); + RssIds = 1; /* XXXTODO SXG_RSS_CPU_COUNT(adapter); */ IsrCount = adapter->MsiEnabled ? RssIds : 1; - // Sanity check SXG_UCODE_REGS structure definition to - // make sure the length is correct + /* Sanity check SXG_UCODE_REGS structure definition to */ + /* make sure the length is correct */ ASSERT(sizeof(SXG_UCODE_REGS) == SXG_REGISTER_SIZE_PER_CPU); - // Disable interrupts + /* Disable interrupts */ SXG_DISABLE_ALL_INTERRUPTS(adapter); - // Set MTU + /* Set MTU */ ASSERT((adapter->FrameSize == ETHERMAXFRAME) || (adapter->FrameSize == JUMBOMAXFRAME)); WRITE_REG(adapter->UcodeRegs[0].LinkMtu, adapter->FrameSize, TRUE); - // Set event ring base address and size + /* Set event ring base address and size */ WRITE_REG64(adapter, adapter->UcodeRegs[0].EventBase, adapter->PEventRings, 0); WRITE_REG(adapter->UcodeRegs[0].EventSize, EVENT_RING_SIZE, TRUE); - // Per-ISR initialization + /* Per-ISR initialization */ for (i = 0; i < IsrCount; i++) { u64 Addr; - // Set interrupt status pointer + /* Set interrupt status pointer */ Addr = adapter->PIsr + (i * sizeof(u32)); WRITE_REG64(adapter, adapter->UcodeRegs[i].Isp, Addr, i); } - // XMT ring zero index + /* XMT ring zero index */ WRITE_REG64(adapter, adapter->UcodeRegs[0].SPSendIndex, adapter->PXmtRingZeroIndex, 0); - // Per-RSS initialization + /* Per-RSS initialization */ for (i = 0; i < RssIds; i++) { - // Release all event ring entries to the Microcode + /* Release all event ring entries to the Microcode */ WRITE_REG(adapter->UcodeRegs[i].EventRelease, EVENT_RING_SIZE, TRUE); } - // Transmit ring base and size + /* Transmit ring base and size */ WRITE_REG64(adapter, adapter->UcodeRegs[0].XmtBase, adapter->PXmtRings, 0); WRITE_REG(adapter->UcodeRegs[0].XmtSize, SXG_XMT_RING_SIZE, TRUE); - // Receive ring base and size + /* Receive ring base and size */ WRITE_REG64(adapter, adapter->UcodeRegs[0].RcvBase, adapter->PRcvRings, 0); WRITE_REG(adapter->UcodeRegs[0].RcvSize, SXG_RCV_RING_SIZE, TRUE); - // Populate the card with receive buffers + /* Populate the card with receive buffers */ sxg_stock_rcv_buffers(adapter); - // Initialize checksum offload capabilities. At the moment - // we always enable IP and TCP receive checksums on the card. - // Depending on the checksum configuration specified by the - // user, we can choose to report or ignore the checksum - // information provided by the card. + /* Initialize checksum offload capabilities. At the moment */ + /* we always enable IP and TCP receive checksums on the card. */ + /* Depending on the checksum configuration specified by the */ + /* user, we can choose to report or ignore the checksum */ + /* information provided by the card. */ WRITE_REG(adapter->UcodeRegs[0].ReceiveChecksum, SXG_RCV_TCP_CSUM_ENABLED | SXG_RCV_IP_CSUM_ENABLED, TRUE); - // Initialize the MAC, XAUI + /* Initialize the MAC, XAUI */ DBG_ERROR("sxg: %s ENTER sxg_initialize_link\n", __func__); status = sxg_initialize_link(adapter); DBG_ERROR("sxg: %s EXIT sxg_initialize_link status[%x]\n", __func__, @@ -3390,8 +3390,8 @@ static int sxg_initialize_adapter(p_adapter_t adapter) if (status != STATUS_SUCCESS) { return (status); } - // Initialize Dead to FALSE. - // SlicCheckForHang or SlicDumpThread will take it from here. + /* Initialize Dead to FALSE. */ + /* SlicCheckForHang or SlicDumpThread will take it from here. */ adapter->Dead = FALSE; adapter->PingOutstanding = FALSE; @@ -3428,14 +3428,14 @@ static int sxg_fill_descriptor_block(p_adapter_t adapter, ASSERT(RcvDescriptorBlockHdr); - // If we don't have the resources to fill the descriptor block, - // return failure + /* If we don't have the resources to fill the descriptor block, */ + /* return failure */ if ((adapter->FreeRcvBufferCount < SXG_RCV_DESCRIPTORS_PER_BLOCK) || SXG_RING_FULL(RcvRingInfo)) { adapter->Stats.NoMem++; return (STATUS_FAILURE); } - // Get a ring descriptor command + /* Get a ring descriptor command */ SXG_GET_CMD(RingZero, RcvRingInfo, RingDescriptorCmd, RcvDescriptorBlockHdr); ASSERT(RingDescriptorCmd); @@ -3443,7 +3443,7 @@ static int sxg_fill_descriptor_block(p_adapter_t adapter, RcvDescriptorBlock = (PSXG_RCV_DESCRIPTOR_BLOCK) RcvDescriptorBlockHdr->VirtualAddress; - // Fill in the descriptor block + /* Fill in the descriptor block */ for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; i++) { SXG_GET_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr); ASSERT(RcvDataBufferHdr); @@ -3454,13 +3454,13 @@ static int sxg_fill_descriptor_block(p_adapter_t adapter, RcvDescriptorBlock->Descriptors[i].PhysicalAddress = RcvDataBufferHdr->PhysicalAddress; } - // Add the descriptor block to receive descriptor ring 0 + /* Add the descriptor block to receive descriptor ring 0 */ RingDescriptorCmd->Sgl = RcvDescriptorBlockHdr->PhysicalAddress; - // RcvBuffersOnCard is not protected via the receive lock (see - // sxg_process_event_queue) We don't want to grap a lock every time a - // buffer is returned to us, so we use atomic interlocked functions - // instead. + /* RcvBuffersOnCard is not protected via the receive lock (see */ + /* sxg_process_event_queue) We don't want to grap a lock every time a */ + /* buffer is returned to us, so we use atomic interlocked functions */ + /* instead. */ adapter->RcvBuffersOnCard += SXG_RCV_DESCRIPTORS_PER_BLOCK; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DscBlk", @@ -3490,10 +3490,10 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter) SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "StockBuf", adapter, adapter->RcvBuffersOnCard, adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount); - // First, see if we've got less than our minimum threshold of - // receive buffers, there isn't an allocation in progress, and - // we haven't exceeded our maximum.. get another block of buffers - // None of this needs to be SMP safe. It's round numbers. + /* First, see if we've got less than our minimum threshold of */ + /* receive buffers, there isn't an allocation in progress, and */ + /* we haven't exceeded our maximum.. get another block of buffers */ + /* None of this needs to be SMP safe. It's round numbers. */ if ((adapter->FreeRcvBufferCount < SXG_MIN_RCV_DATA_BUFFERS) && (adapter->AllRcvBlockCount < SXG_MAX_RCV_BLOCKS) && (adapter->AllocationsPending == 0)) { @@ -3502,12 +3502,12 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter) ReceiveBufferSize), SXG_BUFFER_TYPE_RCV); } - // Now grab the RcvQLock lock and proceed + /* Now grab the RcvQLock lock and proceed */ spin_lock(&adapter->RcvQLock); while (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) { PLIST_ENTRY _ple; - // Get a descriptor block + /* Get a descriptor block */ RcvDescriptorBlockHdr = NULL; if (adapter->FreeRcvBlockCount) { _ple = RemoveHeadList(&adapter->FreeRcvBlocks); @@ -3519,14 +3519,14 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter) } if (RcvDescriptorBlockHdr == NULL) { - // Bail out.. + /* Bail out.. */ adapter->Stats.NoMem++; break; } - // Fill in the descriptor block and give it to the card + /* Fill in the descriptor block and give it to the card */ if (sxg_fill_descriptor_block(adapter, RcvDescriptorBlockHdr) == STATUS_FAILURE) { - // Free the descriptor block + /* Free the descriptor block */ SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter, RcvDescriptorBlockHdr); break; @@ -3560,15 +3560,15 @@ static void sxg_complete_descriptor_blocks(p_adapter_t adapter, SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpRBlks", adapter, Index, RcvRingInfo->Head, RcvRingInfo->Tail); - // Now grab the RcvQLock lock and proceed + /* Now grab the RcvQLock lock and proceed */ spin_lock(&adapter->RcvQLock); ASSERT(Index != RcvRingInfo->Tail); while (RcvRingInfo->Tail != Index) { - // - // Locate the current Cmd (ring descriptor entry), and - // associated receive descriptor block, and advance - // the tail - // + /* */ + /* Locate the current Cmd (ring descriptor entry), and */ + /* associated receive descriptor block, and advance */ + /* the tail */ + /* */ SXG_RETURN_CMD(RingZero, RcvRingInfo, RingDescriptorCmd, RcvDescriptorBlockHdr); @@ -3576,12 +3576,12 @@ static void sxg_complete_descriptor_blocks(p_adapter_t adapter, RcvRingInfo->Head, RcvRingInfo->Tail, RingDescriptorCmd, RcvDescriptorBlockHdr); - // Clear the SGL field + /* Clear the SGL field */ RingDescriptorCmd->Sgl = 0; - // Attempt to refill it and hand it right back to the - // card. If we fail to refill it, free the descriptor block - // header. The card will be restocked later via the - // RcvBuffersOnCard test + /* Attempt to refill it and hand it right back to the */ + /* card. If we fail to refill it, free the descriptor block */ + /* header. The card will be restocked later via the */ + /* RcvBuffersOnCard test */ if (sxg_fill_descriptor_block(adapter, RcvDescriptorBlockHdr) == STATUS_FAILURE) { SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter, diff --git a/drivers/staging/sxg/sxghw.h b/drivers/staging/sxg/sxghw.h index 870eef3f9d50..2222ae91fd97 100644 --- a/drivers/staging/sxg/sxghw.h +++ b/drivers/staging/sxg/sxghw.h @@ -13,11 +13,11 @@ /******************************************************************************* * Configuration space *******************************************************************************/ -// PCI Vendor ID -#define SXG_VENDOR_ID 0x139A // Alacritech's Vendor ID +/* PCI Vendor ID */ +#define SXG_VENDOR_ID 0x139A /* Alacritech's Vendor ID */ // PCI Device ID -#define SXG_DEVICE_ID 0x0009 // Sahara Device ID +#define SXG_DEVICE_ID 0x0009 /* Sahara Device ID */ // // Subsystem IDs. @@ -623,48 +623,48 @@ typedef struct _RCV_BUF_HDR { * Queue definitions *****************************************************************************/ -// Ingress (read only) queue numbers -#define PXY_BUF_Q 0 // Proxy Buffer Queue -#define HST_EVT_Q 1 // Host Event Queue -#define XMT_BUF_Q 2 // Transmit Buffer Queue -#define SKT_EVL_Q 3 // RcvSqr Socket Event Low Priority Queue -#define RCV_EVL_Q 4 // RcvSqr Rcv Event Low Priority Queue -#define SKT_EVH_Q 5 // RcvSqr Socket Event High Priority Queue -#define RCV_EVH_Q 6 // RcvSqr Rcv Event High Priority Queue -#define DMA_RSP_Q 7 // Dma Response Queue - one per CPU context -// Local (read/write) queue numbers -#define LOCAL_A_Q 8 // Spare local Queue -#define LOCAL_B_Q 9 // Spare local Queue -#define LOCAL_C_Q 10 // Spare local Queue -#define FSM_EVT_Q 11 // Finite-State-Machine Event Queue -#define SBF_PAL_Q 12 // System Buffer Physical Address (low) Queue -#define SBF_PAH_Q 13 // System Buffer Physical Address (high) Queue -#define SBF_VAL_Q 14 // System Buffer Virtual Address (low) Queue -#define SBF_VAH_Q 15 // System Buffer Virtual Address (high) Queue -// Egress (write only) queue numbers -#define H2G_CMD_Q 16 // Host to GlbRam DMA Command Queue -#define H2D_CMD_Q 17 // Host to DRAM DMA Command Queue -#define G2H_CMD_Q 18 // GlbRam to Host DMA Command Queue -#define G2D_CMD_Q 19 // GlbRam to DRAM DMA Command Queue -#define D2H_CMD_Q 20 // DRAM to Host DMA Command Queue -#define D2G_CMD_Q 21 // DRAM to GlbRam DMA Command Queue -#define D2D_CMD_Q 22 // DRAM to DRAM DMA Command Queue -#define PXL_CMD_Q 23 // Low Priority Proxy Command Queue -#define PXH_CMD_Q 24 // High Priority Proxy Command Queue -#define RSQ_CMD_Q 25 // Receive Sequencer Command Queue -#define RCV_BUF_Q 26 // Receive Buffer Queue - -// Bit definitions for the Proxy Command queues (PXL_CMD_Q and PXH_CMD_Q) -#define PXY_COPY_EN 0x00200000 // enable copy of xmt descriptor to xmt command queue -#define PXY_SIZE_16 0x00000000 // copy 16 bytes -#define PXY_SIZE_32 0x00100000 // copy 32 bytes +/* Ingress (read only) queue numbers */ +#define PXY_BUF_Q 0 /* Proxy Buffer Queue */ +#define HST_EVT_Q 1 /* Host Event Queue */ +#define XMT_BUF_Q 2 /* Transmit Buffer Queue */ +#define SKT_EVL_Q 3 /* RcvSqr Socket Event Low Priority Queue */ +#define RCV_EVL_Q 4 /* RcvSqr Rcv Event Low Priority Queue */ +#define SKT_EVH_Q 5 /* RcvSqr Socket Event High Priority Queue */ +#define RCV_EVH_Q 6 /* RcvSqr Rcv Event High Priority Queue */ +#define DMA_RSP_Q 7 /* Dma Response Queue - one per CPU context */ +/* Local (read/write) queue numbers */ +#define LOCAL_A_Q 8 /* Spare local Queue */ +#define LOCAL_B_Q 9 /* Spare local Queue */ +#define LOCAL_C_Q 10 /* Spare local Queue */ +#define FSM_EVT_Q 11 /* Finite-State-Machine Event Queue */ +#define SBF_PAL_Q 12 /* System Buffer Physical Address (low) Queue */ +#define SBF_PAH_Q 13 /* System Buffer Physical Address (high) Queue */ +#define SBF_VAL_Q 14 /* System Buffer Virtual Address (low) Queue */ +#define SBF_VAH_Q 15 /* System Buffer Virtual Address (high) Queue */ +/* Egress (write only) queue numbers */ +#define H2G_CMD_Q 16 /* Host to GlbRam DMA Command Queue */ +#define H2D_CMD_Q 17 /* Host to DRAM DMA Command Queue */ +#define G2H_CMD_Q 18 /* GlbRam to Host DMA Command Queue */ +#define G2D_CMD_Q 19 /* GlbRam to DRAM DMA Command Queue */ +#define D2H_CMD_Q 20 /* DRAM to Host DMA Command Queue */ +#define D2G_CMD_Q 21 /* DRAM to GlbRam DMA Command Queue */ +#define D2D_CMD_Q 22 /* DRAM to DRAM DMA Command Queue */ +#define PXL_CMD_Q 23 /* Low Priority Proxy Command Queue */ +#define PXH_CMD_Q 24 /* High Priority Proxy Command Queue */ +#define RSQ_CMD_Q 25 /* Receive Sequencer Command Queue */ +#define RCV_BUF_Q 26 /* Receive Buffer Queue */ + +/* Bit definitions for the Proxy Command queues (PXL_CMD_Q and PXH_CMD_Q) */ +#define PXY_COPY_EN 0x00200000 /* enable copy of xmt descriptor to xmt command queue */ +#define PXY_SIZE_16 0x00000000 /* copy 16 bytes */ +#define PXY_SIZE_32 0x00100000 /* copy 32 bytes */ /***************************************************************************** * SXG EEPROM/Flash Configuration Definitions *****************************************************************************/ #pragma pack(push, 1) -// +/* */ typedef struct _HW_CFG_DATA { ushort Addr; union { @@ -673,22 +673,22 @@ typedef struct _HW_CFG_DATA { }; } HW_CFG_DATA, *PHW_CFG_DATA; -// +/* */ #define NUM_HW_CFG_ENTRIES ((128/sizeof(HW_CFG_DATA)) - 4) -// MAC address +/* MAC address */ typedef struct _SXG_CONFIG_MAC { - unsigned char MacAddr[6]; // MAC Address + unsigned char MacAddr[6]; /* MAC Address */ } SXG_CONFIG_MAC, *PSXG_CONFIG_MAC; -// +/* */ typedef struct _ATK_FRU { unsigned char PartNum[6]; unsigned char Revision[2]; unsigned char Serial[14]; } ATK_FRU, *PATK_FRU; -// OEM FRU Format types +/* OEM FRU Format types */ #define ATK_FRU_FORMAT 0x0000 #define CPQ_FRU_FORMAT 0x0001 #define DELL_FRU_FORMAT 0x0002 @@ -697,24 +697,24 @@ typedef struct _ATK_FRU { #define EMC_FRU_FORMAT 0x0005 #define NO_FRU_FORMAT 0xFFFF -// EEPROM/Flash Format +/* EEPROM/Flash Format */ typedef struct _SXG_CONFIG { - // - // Section 1 (128 bytes) - // - ushort MagicWord; // EEPROM/FLASH Magic code 'A5A5' - ushort SpiClks; // SPI bus clock dividers + /* */ + /* Section 1 (128 bytes) */ + /* */ + ushort MagicWord; /* EEPROM/FLASH Magic code 'A5A5' */ + ushort SpiClks; /* SPI bus clock dividers */ HW_CFG_DATA HwCfg[NUM_HW_CFG_ENTRIES]; - // - // - // - ushort Version; // EEPROM format version - SXG_CONFIG_MAC MacAddr[4]; // space for 4 MAC addresses - ATK_FRU AtkFru; // FRU information - ushort OemFruFormat; // OEM FRU format type - unsigned char OemFru[76]; // OEM FRU information (optional) - ushort Checksum; // Checksum of section 2 - // CS info XXXTODO + /* */ + /* */ + /* */ + ushort Version; /* EEPROM format version */ + SXG_CONFIG_MAC MacAddr[4]; /* space for 4 MAC addresses */ + ATK_FRU AtkFru; /* FRU information */ + ushort OemFruFormat; /* OEM FRU format type */ + unsigned char OemFru[76]; /* OEM FRU information (optional) */ + ushort Checksum; /* Checksum of section 2 */ + /* CS info XXXTODO */ } SXG_CONFIG, *PSXG_CONFIG; #pragma pack(pop) |