diff options
Diffstat (limited to 'drivers/staging/sxg/sxg.c')
-rw-r--r-- | drivers/staging/sxg/sxg.c | 1682 |
1 files changed, 972 insertions, 710 deletions
diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c index 1e0cfcd7f0f3..b23cbc678345 100644 --- a/drivers/staging/sxg/sxg.c +++ b/drivers/staging/sxg/sxg.c @@ -81,43 +81,46 @@ #include "saharadbgdownload.h" static int sxg_allocate_buffer_memory(struct adapter_t *adapter, u32 Size, - enum SXG_BUFFER_TYPE BufferType); -static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter, void *RcvBlock, - dma_addr_t PhysicalAddress, - u32 Length); + enum sxg_buffer_type BufferType); +static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter, + void *RcvBlock, + dma_addr_t PhysicalAddress, + u32 Length); static void sxg_allocate_sgl_buffer_complete(struct adapter_t *adapter, - struct SXG_SCATTER_GATHER *SxgSgl, + struct sxg_scatter_gather *SxgSgl, dma_addr_t PhysicalAddress, u32 Length); static void sxg_mcast_init_crc32(void); - -static int sxg_entry_open(p_net_device dev); -static int sxg_entry_halt(p_net_device dev); -static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd); -static int sxg_send_packets(struct sk_buff *skb, p_net_device dev); +static int sxg_entry_open(struct net_device *dev); +static int sxg_entry_halt(struct net_device *dev); +static int sxg_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); +static int sxg_send_packets(struct sk_buff *skb, struct net_device *dev); static int sxg_transmit_packet(struct adapter_t *adapter, struct sk_buff *skb); -static void sxg_dumb_sgl(struct SCATTER_GATHER_LIST *pSgl, struct SXG_SCATTER_GATHER *SxgSgl); +static void sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, + struct sxg_scatter_gather *SxgSgl); static void sxg_handle_interrupt(struct adapter_t *adapter); static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId); static u32 sxg_process_event_queue(struct adapter_t *adapter, u32 RssId); static void sxg_complete_slow_send(struct adapter_t *adapter); -static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter, struct SXG_EVENT *Event); +static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter, + struct sxg_event *Event); static void sxg_process_rcv_error(struct adapter_t *adapter, u32 ErrorStatus); static bool sxg_mac_filter(struct adapter_t *adapter, struct ether_header *EtherHdr, ushort length); #if SLIC_GET_STATS_ENABLED -static struct net_device_stats *sxg_get_stats(p_net_device dev); +static struct net_device_stats *sxg_get_stats(struct net_device *dev); #endif +void SxgFreeResources(struct adapter_t *adapter); +void SxgFreeRcvBlocks(struct adapter_t *adapter); + #define XXXTODO 0 -#if XXXTODO -static int sxg_mac_set_address(p_net_device dev, void *ptr); -static void sxg_mcast_set_list(p_net_device dev); -#endif +static int sxg_mac_set_address(struct net_device *dev, void *ptr); +static void sxg_mcast_set_list(struct net_device *dev); static void sxg_adapter_set_hwaddr(struct adapter_t *adapter); @@ -131,7 +134,8 @@ static int sxg_initialize_link(struct adapter_t *adapter); static int sxg_phy_init(struct adapter_t *adapter); static void sxg_link_event(struct adapter_t *adapter); static enum SXG_LINK_STATE sxg_get_link_state(struct adapter_t *adapter); -static void sxg_link_state(struct adapter_t *adapter, enum SXG_LINK_STATE LinkState); +static void sxg_link_state(struct adapter_t *adapter, + enum SXG_LINK_STATE LinkState); static int sxg_write_mdio_reg(struct adapter_t *adapter, u32 DevAddr, u32 RegAddr, u32 Value); static int sxg_read_mdio_reg(struct adapter_t *adapter, @@ -139,13 +143,14 @@ static int sxg_read_mdio_reg(struct adapter_t *adapter, static unsigned int sxg_first_init = 1; static char *sxg_banner = - "Alacritech SLIC Technology(tm) Server and Storage 10Gbe Accelerator (Non-Accelerated)\n"; + "Alacritech SLIC Technology(tm) Server and Storage \ + 10Gbe Accelerator (Non-Accelerated)\n"; static int sxg_debug = 1; static int debug = -1; -static p_net_device head_netdevice = NULL; +static struct net_device *head_netdevice = NULL; -static struct sxgbase_driver_t sxg_global = { +static struct sxgbase_driver sxg_global = { .dynamic_intagg = 1, }; static int intagg_delay = 100; @@ -154,8 +159,10 @@ static u32 dynamic_intagg = 0; #define DRV_NAME "sxg" #define DRV_VERSION "1.0.1" #define DRV_AUTHOR "Alacritech, Inc. Engineering" -#define DRV_DESCRIPTION "Alacritech SLIC Techonology(tm) Non-Accelerated 10Gbe Driver" -#define DRV_COPYRIGHT "Copyright 2000-2008 Alacritech, Inc. All rights reserved." +#define DRV_DESCRIPTION \ + "Alacritech SLIC Techonology(tm) Non-Accelerated 10Gbe Driver" +#define DRV_COPYRIGHT \ + "Copyright 2000-2008 Alacritech, Inc. All rights reserved." MODULE_AUTHOR(DRV_AUTHOR); MODULE_DESCRIPTION(DRV_DESCRIPTION); @@ -173,12 +180,6 @@ static struct pci_device_id sxg_pci_tbl[] __devinitdata = { MODULE_DEVICE_TABLE(pci, sxg_pci_tbl); -/*********************************************************************** -************************************************************************ -************************************************************************ -************************************************************************ -************************************************************************/ - static inline void sxg_reg32_write(void __iomem *reg, u32 value, bool flush) { writel(value, reg); @@ -225,12 +226,12 @@ static void sxg_dbg_macaddrs(struct adapter_t *adapter) } /* SXG Globals */ -static struct SXG_DRIVER SxgDriver; +static struct sxg_driver SxgDriver; #ifdef ATKDBG -static struct sxg_trace_buffer_t LSxgTraceBuffer; +static struct sxg_trace_buffer LSxgTraceBuffer; #endif /* ATKDBG */ -static struct sxg_trace_buffer_t *SxgTraceBuffer = NULL; +static struct sxg_trace_buffer *SxgTraceBuffer = NULL; /* * sxg_download_microcode @@ -244,14 +245,15 @@ static struct sxg_trace_buffer_t *SxgTraceBuffer = NULL; * Return * int */ -static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL UcodeSel) +static bool sxg_download_microcode(struct adapter_t *adapter, + enum SXG_UCODE_SEL UcodeSel) { - struct SXG_HW_REGS *HwRegs = adapter->HwRegs; + struct sxg_hw_regs *HwRegs = adapter->HwRegs; u32 Section; u32 ThisSectionSize; u32 *Instruction = NULL; u32 BaseAddress, AddressOffset, Address; -/* u32 Failure; */ + /* u32 Failure; */ u32 ValueRead; u32 i; u32 numSections = 0; @@ -280,10 +282,12 @@ static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL /* 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) { @@ -295,7 +299,8 @@ static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL break; } BaseAddress = sectionStart[Section]; - ThisSectionSize = sectionSize[Section] / 12; /* Size in instructions */ + /* Size in instructions */ + ThisSectionSize = sectionSize[Section] / 12; for (AddressOffset = 0; AddressOffset < ThisSectionSize; AddressOffset++) { Address = BaseAddress + AddressOffset; @@ -311,19 +316,23 @@ static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL /* 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 */ 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) { @@ -335,7 +344,8 @@ static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL break; } BaseAddress = sectionStart[Section]; - ThisSectionSize = sectionSize[Section] / 12; /* Size in instructions */ + /* Size in instructions */ + ThisSectionSize = sectionSize[Section] / 12; for (AddressOffset = 0; AddressOffset < ThisSectionSize; AddressOffset++) { Address = BaseAddress + AddressOffset; @@ -348,7 +358,7 @@ static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL 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 */ @@ -356,19 +366,19 @@ static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL 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 */ Instruction += 3; @@ -378,8 +388,10 @@ static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL /* 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); @@ -391,11 +403,13 @@ static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL 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); } @@ -411,18 +425,17 @@ static bool sxg_download_microcode(struct adapter_t *adapter, enum SXG_UCODE_SEL * sxg_allocate_resources - Allocate memory and locks * * Arguments - - * adapter - A pointer to our adapter structure + * adapter - A pointer to our adapter structure * - * Return - * int + * Return - int */ static int sxg_allocate_resources(struct adapter_t *adapter) { int status; u32 i; u32 RssIds, IsrCount; -/* struct SXG_XMT_RING *XmtRing; */ -/* struct SXG_RCV_RING *RcvRing; */ + /* struct sxg_xmt_ring *XmtRing; */ + /* struct sxg_rcv_ring *RcvRing; */ DBG_ERROR("%s ENTER\n", __func__); @@ -451,57 +464,64 @@ static int sxg_allocate_resources(struct 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[%x]\n", __func__, - (unsigned int)(sizeof(struct SXG_XMT_RING) * 1)); + (unsigned int)(sizeof(struct 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 TCBs if we fail. Later we might + * consider reducing the ring size as well.. + */ adapter->XmtRings = pci_alloc_consistent(adapter->pcidev, - sizeof(struct SXG_XMT_RING) * - 1, - &adapter->PXmtRings); + sizeof(struct sxg_xmt_ring) * + 1, + &adapter->PXmtRings); DBG_ERROR("%s XmtRings[%p]\n", __func__, adapter->XmtRings); if (!adapter->XmtRings) { goto per_tcb_allocation_failed; } - memset(adapter->XmtRings, 0, sizeof(struct SXG_XMT_RING) * 1); + memset(adapter->XmtRings, 0, sizeof(struct sxg_xmt_ring) * 1); DBG_ERROR("%s Allocate RcvRings size[%x]\n", __func__, - (unsigned int)(sizeof(struct SXG_RCV_RING) * 1)); + (unsigned int)(sizeof(struct sxg_rcv_ring) * 1)); adapter->RcvRings = pci_alloc_consistent(adapter->pcidev, - sizeof(struct SXG_RCV_RING) * 1, + sizeof(struct sxg_rcv_ring) * 1, &adapter->PRcvRings); DBG_ERROR("%s RcvRings[%p]\n", __func__, adapter->RcvRings); if (!adapter->RcvRings) { goto per_tcb_allocation_failed; } - memset(adapter->RcvRings, 0, sizeof(struct SXG_RCV_RING) * 1); + memset(adapter->RcvRings, 0, sizeof(struct sxg_rcv_ring) * 1); break; per_tcb_allocation_failed: /* an allocation failed. Free any successful allocations. */ if (adapter->XmtRings) { pci_free_consistent(adapter->pcidev, - sizeof(struct SXG_XMT_RING) * 4096, + sizeof(struct sxg_xmt_ring) * 1, adapter->XmtRings, adapter->PXmtRings); adapter->XmtRings = NULL; } if (adapter->RcvRings) { pci_free_consistent(adapter->pcidev, - sizeof(struct SXG_RCV_RING) * 4096, + sizeof(struct sxg_rcv_ring) * 1, adapter->RcvRings, adapter->PRcvRings); adapter->RcvRings = NULL; @@ -515,22 +535,26 @@ static int sxg_allocate_resources(struct adapter_t *adapter) SXG_INITIALIZE_RING(adapter->XmtRingZeroInfo, SXG_XMT_RING_SIZE); /* Sanity check receive data structure format */ - ASSERT((adapter->ReceiveBufferSize == SXG_RCV_DATA_BUFFER_SIZE) || - (adapter->ReceiveBufferSize == SXG_RCV_JUMBO_BUFFER_SIZE)); - ASSERT(sizeof(struct SXG_RCV_DESCRIPTOR_BLOCK) == + /* ASSERT((adapter->ReceiveBufferSize == SXG_RCV_DATA_BUFFER_SIZE) || + (adapter->ReceiveBufferSize == SXG_RCV_JUMBO_BUFFER_SIZE)); */ + ASSERT(sizeof(struct sxg_rcv_descriptor_block) == SXG_RCV_DESCRIPTOR_BLOCK_SIZE); - /* 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, - SXG_RCV_BLOCK_SIZE(adapter-> - ReceiveBufferSize), + i += SXG_RCV_DESCRIPTORS_PER_BLOCK) { + sxg_allocate_buffer_memory(adapter, + SXG_RCV_BLOCK_SIZE(SXG_RCV_DATA_HDR_SIZE), 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, @@ -539,29 +563,31 @@ static int sxg_allocate_resources(struct adapter_t *adapter) } DBG_ERROR("%s Allocate EventRings size[%x]\n", __func__, - (unsigned int)(sizeof(struct SXG_EVENT_RING) * RssIds)); + (unsigned int)(sizeof(struct sxg_event_ring) * RssIds)); /* Allocate event queues. */ adapter->EventRings = pci_alloc_consistent(adapter->pcidev, - sizeof(struct SXG_EVENT_RING) * - RssIds, - &adapter->PEventRings); + sizeof(struct 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; goto per_tcb_allocation_failed; } - memset(adapter->EventRings, 0, sizeof(struct SXG_EVENT_RING) * RssIds); + memset(adapter->EventRings, 0, sizeof(struct sxg_event_ring) * RssIds); DBG_ERROR("%s Allocate ISR size[%x]\n", __func__, IsrCount); /* 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; @@ -599,7 +625,6 @@ static int sxg_allocate_resources(struct adapter_t *adapter) * * Arguments - * pcidev - A pointer to our adapter structure - * */ static void sxg_config_pci(struct pci_dev *pcidev) { @@ -609,12 +634,19 @@ 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 */ + new_command = pci_command | ( + /* Memory Space Enable */ + PCI_COMMAND_MEMORY | + /* Bus master enable */ + PCI_COMMAND_MASTER | + /* Memory write and invalidate */ + PCI_COMMAND_INVALIDATE | + /* Parity error response */ + PCI_COMMAND_PARITY | + /* System ERR */ + PCI_COMMAND_SERR | + /* Fast back-to-back */ + PCI_COMMAND_FAST_BACK); if (pci_command != new_command) { DBG_ERROR("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n", __func__, pci_command, new_command); @@ -622,6 +654,73 @@ static void sxg_config_pci(struct pci_dev *pcidev) } } +/* + * sxg_read_config + * @adapter : Pointer to the adapter structure for the card + * This function will read the configuration data from EEPROM/FLASH + */ +static inline int sxg_read_config(struct adapter_t *adapter) +{ + /* struct sxg_config data; */ + struct sw_cfg_data *data; + dma_addr_t p_addr; + unsigned long status; + unsigned long i; + + data = pci_alloc_consistent(adapter->pcidev, + sizeof(struct sw_cfg_data), &p_addr); + if(!data) { + /* + * We cant get even this much memory. Raise a hell + * Get out of here + */ + printk(KERN_ERR"%s : Could not allocate memory for reading \ + EEPROM\n", __FUNCTION__); + return -ENOMEM; + } + + WRITE_REG(adapter->UcodeRegs[0].ConfigStat, SXG_CFG_TIMEOUT, TRUE); + + WRITE_REG64(adapter, adapter->UcodeRegs[0].Config, p_addr, 0); + for(i=0; i<1000; i++) { + READ_REG(adapter->UcodeRegs[0].ConfigStat, status); + if (status != SXG_CFG_TIMEOUT) + break; + mdelay(1); /* Do we really need this */ + } + + switch(status) { + /* Config read from EEPROM succeeded */ + case SXG_CFG_LOAD_EEPROM: + /* Config read from Flash succeeded */ + case SXG_CFG_LOAD_FLASH: + /* Copy the MAC address to adapter structure */ + /* TODO: We are not doing the remaining part : FRU, + * etc + */ + memcpy(adapter->macaddr, data->MacAddr[0].MacAddr, + sizeof(struct sxg_config_mac)); + break; + case SXG_CFG_TIMEOUT: + case SXG_CFG_LOAD_INVALID: + case SXG_CFG_LOAD_ERROR: + default: /* Fix default handler later */ + printk(KERN_WARNING"%s : We could not read the config \ + word. Status = %ld\n", __FUNCTION__, status); + break; + } + pci_free_consistent(adapter->pcidev, sizeof(struct sw_cfg_data), data, + p_addr); + if (adapter->netdev) { + memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, 6); + memcpy(adapter->netdev->perm_addr, adapter->currmacaddr, 6); + } + printk("LINSYS : These are the new MAC address\n"); + sxg_dbg_macaddrs(adapter); + + return status; +} + static int sxg_entry_probe(struct pci_dev *pcidev, const struct pci_device_id *pci_tbl_entry) { @@ -710,9 +809,9 @@ static int sxg_entry_probe(struct pci_dev *pcidev, goto err_out_free_mmio_region; } - DBG_ERROR - ("sxg: %s found Alacritech SXG PCI, MMIO at %p, start[%lx] len[%lx], IRQ %d.\n", - __func__, memmapped_ioaddr, mmio_start, mmio_len, pcidev->irq); + DBG_ERROR("sxg: %s found Alacritech SXG PCI, MMIO at %p, start[%lx] \ + len[%lx], IRQ %d.\n", __func__, memmapped_ioaddr, mmio_start, + mmio_len, pcidev->irq); adapter->HwRegs = (void *)memmapped_ioaddr; adapter->base_addr = memmapped_ioaddr; @@ -739,8 +838,10 @@ 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; @@ -758,10 +859,12 @@ 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); @@ -774,16 +877,13 @@ static int sxg_entry_probe(struct pci_dev *pcidev, adapter->vendid = pci_tbl_entry->vendor; adapter->devid = pci_tbl_entry->device; adapter->subsysid = pci_tbl_entry->subdevice; - adapter->busnumber = pcidev->bus->number; adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F); adapter->functionnumber = (pcidev->devfn & 0x7); adapter->memorylength = pci_resource_len(pcidev, 0); adapter->irq = pcidev->irq; adapter->next_netdevice = head_netdevice; head_netdevice = netdev; -/* adapter->chipid = chip_idx; */ adapter->port = 0; /*adapter->functionnumber; */ - adapter->cardindex = adapter->port; /* Allocate memory and other resources */ DBG_ERROR("sxg: %s ENTER sxg_allocate_resources\n", __func__); @@ -798,6 +898,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev, if (sxg_download_microcode(adapter, SXG_UCODE_SAHARA)) { DBG_ERROR("sxg: %s ENTER sxg_adapter_set_hwaddr\n", __func__); + sxg_read_config(adapter); sxg_adapter_set_hwaddr(adapter); } else { adapter->state = ADAPT_FAIL; @@ -816,11 +917,11 @@ static int sxg_entry_probe(struct pci_dev *pcidev, #if SLIC_GET_STATS_ENABLED netdev->get_stats = sxg_get_stats; #endif - netdev->set_multicast_list = sxg_mcast_set_list; #endif + netdev->set_multicast_list = sxg_mcast_set_list; 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); @@ -828,14 +929,15 @@ static int sxg_entry_probe(struct pci_dev *pcidev, } DBG_ERROR - ("sxg: %s addr 0x%lx, irq %d, MAC addr %02X:%02X:%02X:%02X:%02X:%02X\n", + ("sxg: %s addr 0x%lx, irq %d, MAC addr \ + %02X:%02X:%02X:%02X:%02X:%02X\n", netdev->name, netdev->base_addr, pcidev->irq, netdev->dev_addr[0], 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()); @@ -855,10 +957,8 @@ static int sxg_entry_probe(struct pci_dev *pcidev, return -ENODEV; } -/*********************************************************************** - * LINE BASE Interrupt routines.. - ***********************************************************************/ /* + * LINE BASE Interrupt routines.. * * sxg_disable_interrupt * @@ -878,9 +978,7 @@ static void sxg_disable_interrupt(struct adapter_t *adapter) /* 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. */ - /* */ WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_DISABLE), TRUE); adapter->InterruptsEnabled = 0; @@ -890,7 +988,6 @@ static void sxg_disable_interrupt(struct adapter_t *adapter) } /* - * * sxg_enable_interrupt * * EnableInterrupt Handler @@ -909,9 +1006,7 @@ static void sxg_enable_interrupt(struct adapter_t *adapter) /* 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. */ - /* */ WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_ENABLE), TRUE); adapter->InterruptsEnabled = 1; @@ -921,50 +1016,53 @@ static void sxg_enable_interrupt(struct adapter_t *adapter) } /* - * * sxg_isr - Process an line-based interrupt * * Arguments: - * Context - Our adapter structure + * Context - Our adapter structure * QueueDefault - Output parameter to queue to default CPU - * TargetCpus - Output bitmap to schedule DPC's + * TargetCpus - Output bitmap to schedule DPC's * - * Return Value: - * TRUE if our interrupt + * Return Value: TRUE if our interrupt */ static irqreturn_t sxg_isr(int irq, void *dev_id) { - p_net_device dev = (p_net_device) dev_id; + struct net_device *dev = (struct net_device *) dev_id; struct adapter_t *adapter = (struct 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); */ + /* 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 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; i++) { - struct XG_EVENT_RING *EventRing = &adapter->EventRings[i]; - struct SXG_EVENT *Event = + struct sxg_event_ring *EventRing = + &adapter->EventRings[i]; + struct sxg_event *Event = &EventRing->Ring[adapter->NextEvent[i]]; unsigned char Cpu = adapter->RssSystemInfo->RssIdToCpu[i]; @@ -974,8 +1072,10 @@ 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 { @@ -984,20 +1084,20 @@ static irqreturn_t sxg_isr(int irq, void *dev_id) } *TargetCpus = CpuMask; #endif - /* */ /* There are no DPCs in Linux, so call the handler now */ - /* */ sxg_handle_interrupt(adapter); return IRQ_HANDLED; } +int debug_inthandler = 0; + static void sxg_handle_interrupt(struct adapter_t *adapter) { -/* unsigned char RssId = 0; */ + /* unsigned char RssId = 0; */ u32 NewIsr; - if (adapter->Stats.RcvNoBuffer < 5) { + if (++debug_inthandler < 20) { DBG_ERROR("Enter sxg_handle_interrupt ISR[%x]\n", adapter->IsrCopy[0]); } @@ -1007,7 +1107,6 @@ static void sxg_handle_interrupt(struct adapter_t *adapter) ASSERT(adapter->RssEnabled == FALSE); ASSERT(adapter->MsiEnabled == FALSE); ASSERT(adapter->IsrCopy[0]); -/*/////////////////////////// */ /* Always process the event queue. */ sxg_process_event_queue(adapter, @@ -1022,18 +1121,14 @@ static void sxg_handle_interrupt(struct adapter_t *adapter) return; } #endif - /* */ /* Last (or only) DPC processes the ISR and clears the interrupt. */ - /* */ NewIsr = sxg_process_isr(adapter, 0); - /* */ /* Reenable interrupts */ - /* */ adapter->IsrCopy[0] = 0; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ClearIsr", adapter, NewIsr, 0, 0); - if (adapter->Stats.RcvNoBuffer < 5) { + if (debug_inthandler < 20) { DBG_ERROR ("Exit sxg_handle_interrupt2 after enabling interrupt\n"); } @@ -1045,7 +1140,6 @@ static void sxg_handle_interrupt(struct adapter_t *adapter) } /* - * * sxg_process_isr - Process an interrupt. Called from the line-based and * message based interrupt DPC routines * @@ -1064,6 +1158,7 @@ static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId) SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ProcIsr", adapter, Isr, 0, 0); + DBG_ERROR("%s: Entering with %d ISR value\n", __FUNCTION__, Isr); /* Error */ if (Isr & SXG_ISR_ERR) { if (Isr & SXG_ISR_PDQF) { @@ -1072,12 +1167,14 @@ static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId) } /* 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 probablyd + * 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", @@ -1086,10 +1183,12 @@ static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId) } /* Card crash */ if (Isr & SXG_ISR_DEAD) { - /* Set aside the crash info and set the adapter state to RESET */ - adapter->CrashCpu = - (unsigned char)((Isr & SXG_ISR_CPU) >> - SXG_ISR_CPU_SHIFT); + /* + * Set aside the crash info and set the adapter state + * to RESET + */ + adapter->CrashCpu = (unsigned char) + ((Isr & SXG_ISR_CPU) >> SXG_ISR_CPU_SHIFT); adapter->CrashLocation = (ushort) (Isr & SXG_ISR_CRASH); adapter->Dead = TRUE; DBG_ERROR("%s: ISR_DEAD %x, CPU: %d\n", __func__, @@ -1097,10 +1196,12 @@ static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId) } /* 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__); @@ -1118,7 +1219,8 @@ static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId) } /* Dump */ if (Isr & SXG_ISR_UPC) { - ASSERT(adapter->DumpCmdRunning); /* Maybe change when debug is added.. */ + /* Maybe change when debug is added.. */ + ASSERT(adapter->DumpCmdRunning); adapter->DumpCmdRunning = FALSE; } /* Link event */ @@ -1127,9 +1229,11 @@ static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId) } /* 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 */ @@ -1143,7 +1247,6 @@ static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId) } /* - * * sxg_process_event_queue - Process our event queue * * Arguments: @@ -1155,8 +1258,8 @@ static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId) */ static u32 sxg_process_event_queue(struct adapter_t *adapter, u32 RssId) { - struct SXG_EVENT_RING *EventRing = &adapter->EventRings[RssId]; - struct SXG_EVENT *Event = &EventRing->Ring[adapter->NextEvent[RssId]]; + struct sxg_event_ring *EventRing = &adapter->EventRings[RssId]; + struct sxg_event *Event = &EventRing->Ring[adapter->NextEvent[RssId]]; u32 EventsProcessed = 0, Batches = 0; u32 num_skbs = 0; struct sk_buff *skb; @@ -1164,7 +1267,7 @@ static u32 sxg_process_event_queue(struct adapter_t *adapter, u32 RssId) struct sk_buff *prev_skb = NULL; struct sk_buff *IndicationList[SXG_RCV_ARRAYSIZE]; u32 Index; - struct SXG_RCV_DATA_BUFFER_HDR *RcvDataBufferHdr; + struct sxg_rcv_data_buffer_hdr *RcvDataBufferHdr; #endif u32 ReturnStatus = 0; @@ -1172,25 +1275,28 @@ static u32 sxg_process_event_queue(struct 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 */ - /* */ + /* struct sxg_ring_info Head & Tail == unsigned char */ + ASSERT(!(Event->CommandIndex & 0xFF00)); sxg_complete_descriptor_blocks(adapter, Event->CommandIndex); - /* */ break; case EVENT_CODE_SLOWRCV: --adapter->RcvBuffersOnCard; @@ -1200,19 +1306,21 @@ static u32 sxg_process_event_queue(struct adapter_t *adapter, u32 RssId) /* 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. */ + /* + * 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); */ - skb_put(skb, rx_bytes); + /* CHECK skb_pull(skb, INIC_RCVBUF_HEADSIZE); */ + /* (rcvbuf->length & IRHDDR_FLEN_MSK); */ + rx_bytes = Event->Length; adapter->stats.rx_packets++; adapter->stats.rx_bytes += rx_bytes; #if SXG_OFFLOAD_IP_CHECKSUM skb->ip_summed = CHECKSUM_UNNECESSARY; #endif skb->dev = adapter->netdev; - skb->protocol = eth_type_trans(skb, skb->dev); netif_rx(skb); #endif } @@ -1220,31 +1328,38 @@ static u32 sxg_process_event_queue(struct 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 on 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 */ + /* Advance to the next event */ SXG_ADVANCE_INDEX(adapter->NextEvent[RssId], EVENT_RING_SIZE); Event = &EventRing->Ring[adapter->NextEvent[RssId]]; EventsProcessed++; @@ -1253,9 +1368,11 @@ static u32 sxg_process_event_queue(struct adapter_t *adapter, u32 RssId) 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, @@ -1266,14 +1383,10 @@ static u32 sxg_process_event_queue(struct adapter_t *adapter, u32 RssId) } } #ifdef LINUX_HANDLES_RCV_INDICATION_LISTS - /* */ /* Indicate any received dumb-nic frames */ - /* */ SXG_INDICATE_PACKETS(adapter, IndicationList, num_skbs); #endif - /* */ /* Release events back to the card. */ - /* */ if (EventsProcessed) { WRITE_REG(adapter->UcodeRegs[RssId].EventRelease, EventsProcessed, FALSE); @@ -1295,21 +1408,25 @@ static u32 sxg_process_event_queue(struct adapter_t *adapter, u32 RssId) */ static void sxg_complete_slow_send(struct adapter_t *adapter) { - struct SXG_XMT_RING *XmtRing = &adapter->XmtRings[0]; - struct SXG_RING_INFO *XmtRingInfo = &adapter->XmtRingZeroInfo; + struct sxg_xmt_ring *XmtRing = &adapter->XmtRings[0]; + struct sxg_ring_info *XmtRingInfo = &adapter->XmtRingZeroInfo; u32 *ContextType; - struct SXG_CMD *XmtCmd; + struct sxg_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", @@ -1321,19 +1438,26 @@ static void sxg_complete_slow_send(struct adapter_t *adapter) case SXG_SGL_DUMB: { struct sk_buff *skb; + struct sxg_scatter_gather *SxgSgl = + (struct sxg_scatter_gather *)ContextType; + /* Dumb-nic send. Command context is the dumb-nic SGL */ skb = (struct sk_buff *)ContextType; + skb = SxgSgl->DumbPacket; /* 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.. */ @@ -1356,22 +1480,21 @@ static void sxg_complete_slow_send(struct adapter_t *adapter) * adapter - A pointer to our adapter structure * Event - Receive event * - * Return - * skb + * Return - skb */ -static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter, struct SXG_EVENT *Event) +static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter, + struct sxg_event *Event) { - struct SXG_RCV_DATA_BUFFER_HDR *RcvDataBufferHdr; + u32 BufferSize = adapter->ReceiveBufferSize; + struct sxg_rcv_data_buffer_hdr *RcvDataBufferHdr; struct sk_buff *Packet; - RcvDataBufferHdr = (struct SXG_RCV_DATA_BUFFER_HDR*) Event->HostHandle; + RcvDataBufferHdr = (struct sxg_rcv_data_buffer_hdr *) Event->HostHandle; ASSERT(RcvDataBufferHdr); ASSERT(RcvDataBufferHdr->State == SXG_BUFFER_ONCARD); - ASSERT(SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr) == - RcvDataBufferHdr->VirtualAddress); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "SlowRcv", Event, RcvDataBufferHdr, RcvDataBufferHdr->State, - RcvDataBufferHdr->VirtualAddress); + /*RcvDataBufferHdr->VirtualAddress*/ 0); /* Drop rcv frames in non-running state */ switch (adapter->State) { case SXG_STATE_RUNNING: @@ -1385,6 +1508,11 @@ static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter, struct SXG_EV goto drop; } + /* + * memcpy(SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), + * RcvDataBufferHdr->VirtualAddress, Event->Length); + */ + /* Change buffer state to UPSTREAM */ RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM; if (Event->Status & EVENT_STATUS_RCVERR) { @@ -1400,8 +1528,9 @@ static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter, struct SXG_EV } #if XXXTODO /* VLAN stuff */ /* If there's a VLAN tag, extract it and validate it */ - if (((struct ether_header*) (SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr)))-> - EtherType == ETHERTYPE_VLAN) { + if (((struct ether_header *) + (SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr)))->EtherType + == ETHERTYPE_VLAN) { if (SxgExtractVlanHeader(adapter, RcvDataBufferHdr, Event) != STATUS_SUCCESS) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, @@ -1412,27 +1541,35 @@ static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter, struct SXG_EV } } #endif - /* */ /* Dumb-nic frame. See if it passes our mac filter and update stats */ - /* */ - if (!sxg_mac_filter(adapter, (struct ether_header*) - SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), - Event->Length)) { - SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvFiltr", - Event, SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), - Event->Length, 0); - goto drop; - } + + /* + * ASK if (!sxg_mac_filter(adapter, + * SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), + * Event->Length)) { + * SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvFiltr", + * Event, SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), + * Event->Length, 0); + * goto drop; + * } + */ Packet = RcvDataBufferHdr->SxgDumbRcvPacket; + SXG_ADJUST_RCV_PACKET(Packet, RcvDataBufferHdr, Event); + Packet->protocol = eth_type_trans(Packet, adapter->netdev); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumbRcv", RcvDataBufferHdr, Packet, Event->Length, 0); - /* */ /* Lastly adjust the receive packet length. */ - /* */ - SXG_ADJUST_RCV_PACKET(Packet, RcvDataBufferHdr, Event); - + RcvDataBufferHdr->SxgDumbRcvPacket = NULL; + SXG_ALLOCATE_RCV_PACKET(adapter, RcvDataBufferHdr, BufferSize); + if (RcvDataBufferHdr->skb) + { + spin_lock(&adapter->RcvQLock); + SXG_FREE_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr); + adapter->RcvBuffersOnCard ++; + spin_unlock(&adapter->RcvQLock); + } return (Packet); drop: @@ -1453,8 +1590,7 @@ static struct sk_buff *sxg_slow_receive(struct adapter_t *adapter, struct SXG_EV * adapter - Adapter structure * ErrorStatus - 4-byte receive error status * - * Return Value: - * None + * Return Value : None */ static void sxg_process_rcv_error(struct adapter_t *adapter, u32 ErrorStatus) { @@ -1532,11 +1668,10 @@ static void sxg_process_rcv_error(struct adapter_t *adapter, u32 ErrorStatus) * pether - Ethernet header * length - Frame length * - * Return Value: - * TRUE if the frame is to be allowed + * Return Value : TRUE if the frame is to be allowed */ -static bool sxg_mac_filter(struct adapter_t *adapter, struct ether_header *EtherHdr, - ushort length) +static bool sxg_mac_filter(struct adapter_t *adapter, + struct ether_header *EtherHdr, ushort length) { bool EqualAddr; @@ -1560,7 +1695,7 @@ static bool sxg_mac_filter(struct adapter_t *adapter, struct ether_header *Ether return (TRUE); } if (adapter->MacFilter & MAC_MCAST) { - struct SXG_MULTICAST_ADDRESS *MulticastAddrs = + struct sxg_multicast_address *MulticastAddrs = adapter->MulticastAddrs; while (MulticastAddrs) { ETHER_EQ_ADDR(MulticastAddrs->Address, @@ -1581,9 +1716,11 @@ static bool sxg_mac_filter(struct adapter_t *adapter, struct ether_header *Ether } } } 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++; @@ -1663,12 +1800,12 @@ static void sxg_deregister_interrupt(struct adapter_t *adapter) */ static int sxg_if_init(struct adapter_t *adapter) { - p_net_device dev = adapter->netdev; + struct net_device *dev = adapter->netdev; int status = 0; - DBG_ERROR("sxg: %s (%s) ENTER states[%d:%d:%d] flags[%x]\n", + DBG_ERROR("sxg: %s (%s) ENTER states[%d:%d] flags[%x]\n", __func__, adapter->netdev->name, - adapter->queues_initialized, adapter->state, + adapter->state, adapter->linkstate, dev->flags); /* adapter should be down at this point */ @@ -1711,15 +1848,13 @@ static int sxg_if_init(struct adapter_t *adapter) adapter->state = ADAPT_UP; - /* - * clear any pending events, then enable interrupts - */ + /* clear any pending events, then enable interrupts */ DBG_ERROR("sxg: %s ENABLE interrupts(slic)\n", __func__); return (STATUS_SUCCESS); } -static int sxg_entry_open(p_net_device dev) +static int sxg_entry_open(struct net_device *dev) { struct adapter_t *adapter = (struct adapter_t *) netdev_priv(dev); int status; @@ -1774,18 +1909,24 @@ static int sxg_entry_open(p_net_device dev) static void __devexit sxg_entry_remove(struct pci_dev *pcidev) { - p_net_device dev = pci_get_drvdata(pcidev); + struct net_device *dev = pci_get_drvdata(pcidev); u32 mmio_start = 0; unsigned int mmio_len = 0; struct adapter_t *adapter = (struct adapter_t *) netdev_priv(dev); + set_bit(ADAPT_DOWN, &adapter->state); + flush_scheduled_work(); + + /* Deallocate Resources */ + + SxgFreeResources(adapter); + ASSERT(adapter); DBG_ERROR("sxg: %s ENTER dev[%p] adapter[%p]\n", __func__, dev, adapter); sxg_deregister_interrupt(adapter); sxg_unmap_mmio_space(adapter); DBG_ERROR("sxg: %s unregister_netdev\n", __func__); - unregister_netdev(dev); mmio_start = pci_resource_start(pcidev, 0); mmio_len = pci_resource_len(pcidev, 0); @@ -1794,16 +1935,30 @@ static void __devexit sxg_entry_remove(struct pci_dev *pcidev) mmio_start, mmio_len); release_mem_region(mmio_start, mmio_len); +/* DBG_ERROR("sxg: %s iounmap dev->base_addr[%x]\n", __func__, (unsigned int)dev->base_addr); iounmap((char *)dev->base_addr); +*/ + mmio_start = pci_resource_start(pcidev, 2); + mmio_len = pci_resource_len(pcidev, 2); + + DBG_ERROR("sxg: %s rel_region(2) start[%x] len[%x]\n", __FUNCTION__, + mmio_start, mmio_len); + release_mem_region(mmio_start, mmio_len); + + iounmap((char *)dev->base_addr); + unregister_netdev(dev); + //pci_release_regions(pcidev); + //free_netdev(dev); + pci_disable_device(pcidev); DBG_ERROR("sxg: %s deallocate device\n", __func__); kfree(dev); DBG_ERROR("sxg: %s EXIT\n", __func__); } -static int sxg_entry_halt(p_net_device dev) +static int sxg_entry_halt(struct net_device *dev) { struct adapter_t *adapter = (struct adapter_t *) netdev_priv(dev); @@ -1819,24 +1974,31 @@ static int sxg_entry_halt(p_net_device dev) DBG_ERROR("sxg: %s (%s) EXIT\n", __func__, dev->name); DBG_ERROR("sxg: %s EXIT\n", __func__); + + /* Disable interrupts */ + SXG_DISABLE_ALL_INTERRUPTS(adapter); + spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags); + return (STATUS_SUCCESS); } -static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd) +static int sxg_ioctl(struct 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: { -/* struct adapter_t *adapter = (struct adapter_t *) netdev_priv(dev); */ + /* struct adapter_t *adapter = (struct adapter_t *) + * netdev_priv(dev); + */ u32 data[7]; u32 intagg; if (copy_from_user(data, rq->ifr_data, 28)) { - DBG_ERROR - ("copy_from_user FAILED getting initial params\n"); + DBG_ERROR("copy_from_user FAILED getting \ + initial params\n"); return -EFAULT; } intagg = data[0]; @@ -1847,7 +2009,7 @@ 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; @@ -1856,23 +2018,26 @@ static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd) #define NORMAL_ETHFRAME 0 /* - * * sxg_send_packets - Send a skb packet * * Arguments: - * skb - The packet to send - * dev - Our linux net device that refs our adapter + * skb - The packet to send + * dev - Our linux net device that refs our adapter * * Return: * 0 regardless of outcome XXXTODO refer to e1000 driver */ -static int sxg_send_packets(struct sk_buff *skb, p_net_device dev) +static int sxg_send_packets(struct sk_buff *skb, struct net_device *dev) { struct adapter_t *adapter = (struct adapter_t *) netdev_priv(dev); u32 status = STATUS_SUCCESS; - DBG_ERROR("sxg: %s ENTER sxg_send_packets skb[%p]\n", __func__, - skb); + /* + * DBG_ERROR("sxg: %s ENTER sxg_send_packets skb[%p]\n", __FUNCTION__, + * skb); + */ + printk("ASK:sxg_send_packets: skb[%p]\n", skb); + /* Check the adapter state */ switch (adapter->State) { case SXG_STATE_INITIALIZING: @@ -1909,7 +2074,7 @@ static int sxg_send_packets(struct sk_buff *skb, p_net_device dev) /* 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++; @@ -1931,18 +2096,19 @@ static int sxg_send_packets(struct sk_buff *skb, p_net_device dev) * adapter - Pointer to our adapter structure * skb - The packet to be sent * - * Return - - * STATUS of send + * Return - STATUS of send */ static int sxg_transmit_packet(struct adapter_t *adapter, struct sk_buff *skb) { - struct SCATTER_GATHER_LIST *pSgl; - struct SXG_SCATTER_GATHER *SxgSgl; - void *SglBuffer; - u32 SglBufferLength; + struct sxg_x64_sgl *pSgl; + struct sxg_scatter_gather *SxgSgl; + /* 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); @@ -1956,8 +2122,8 @@ static int sxg_transmit_packet(struct adapter_t *adapter, struct sk_buff *skb) return (STATUS_RESOURCES); } ASSERT(SxgSgl->adapter == adapter); - SglBuffer = SXG_SGL_BUFFER(SxgSgl); - SglBufferLength = SXG_SGL_BUF_SIZE; + /*SglBuffer = SXG_SGL_BUFFER(SxgSgl); + SglBufferLength = SXG_SGL_BUF_SIZE; */ SxgSgl->VlanTag.VlanTci = 0; SxgSgl->VlanTag.VlanTpid = 0; SxgSgl->Type = SXG_SGL_DUMB; @@ -1966,7 +2132,7 @@ static int sxg_transmit_packet(struct adapter_t *adapter, struct sk_buff *skb) /* 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); } @@ -1975,23 +2141,24 @@ static int sxg_transmit_packet(struct adapter_t *adapter, struct sk_buff *skb) * * Arguments: * pSgl - - * SxgSgl - SXG_SCATTER_GATHER + * SxgSgl - struct sxg_scatter_gather * * Return Value: * None. */ -static void sxg_dumb_sgl(struct SCATTER_GATHER_LIST *pSgl, struct SXG_SCATTER_GATHER *SxgSgl) +static void sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, + struct sxg_scatter_gather *SxgSgl) { struct adapter_t *adapter = SxgSgl->adapter; struct sk_buff *skb = SxgSgl->DumbPacket; /* For now, all dumb-nic sends go on RSS queue zero */ - struct SXG_XMT_RING *XmtRing = &adapter->XmtRings[0]; - struct SXG_RING_INFO *XmtRingInfo = &adapter->XmtRingZeroInfo; - struct SXG_CMD *XmtCmd = NULL; -/* u32 Index = 0; */ + struct sxg_xmt_ring *XmtRing = &adapter->XmtRings[0]; + struct sxg_ring_info *XmtRingInfo = &adapter->XmtRingZeroInfo; + struct sxg_cmd *XmtCmd = NULL; + /* 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", @@ -2001,13 +2168,15 @@ static void sxg_dumb_sgl(struct SCATTER_GATHER_LIST *pSgl, struct SXG_SCATTER_GA SxgSgl->pSgl = pSgl; /* Sanity check that our SGL format is as we expect. */ - ASSERT(sizeof(SXG_X64_SGE) == sizeof(SCATTER_GATHER_ELEMENT)); + ASSERT(sizeof(struct sxg_x64_sge) == sizeof(struct sxg_x64_sge)); /* 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; @@ -2015,8 +2184,10 @@ static void sxg_dumb_sgl(struct SCATTER_GATHER_LIST *pSgl, struct SXG_SCATTER_GA 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); @@ -2045,40 +2216,26 @@ static void sxg_dumb_sgl(struct SCATTER_GATHER_LIST *pSgl, struct SXG_SCATTER_GA adapter->Stats.DumbXmtUcastBytes += DataLength; } #endif - /* 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, + /* + * 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); - XmtCmd->Buffer.FirstSgeAddress = SXG_GET_ADDR_HIGH(phys_addr); - 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; */ + memset(XmtCmd, '\0', sizeof(*XmtCmd)); + XmtCmd->Buffer.FirstSgeAddress = phys_addr; 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; */ XmtCmd->Buffer.SgeOffset = 0; - /* Note - TotalLength might be overwritten with MSS below.. */ XmtCmd->Buffer.TotalLength = DataLength; - XmtCmd->SgEntries = 1; /*(ushort)(SxgSgl->Sgl.NumberOfElements - Index); */ + XmtCmd->SgEntries = 1; 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 */ spin_unlock(&adapter->XmtZeroLock); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDumSgl2", @@ -2086,29 +2243,31 @@ static void sxg_dumb_sgl(struct SCATTER_GATHER_LIST *pSgl, struct SXG_SCATTER_GA 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 */ + /* SxgSgl->DumbPacket is the skb */ + SXG_COMPLETE_DUMB_SEND(adapter, SxgSgl->DumbPacket); } -/*************************************************************** - * Link management functions - ***************************************************************/ - /* + * Link management functions + * * sxg_initialize_link - Initialize the link stuff * * Arguments - @@ -2119,7 +2278,7 @@ static void sxg_dumb_sgl(struct SCATTER_GATHER_LIST *pSgl, struct SXG_SCATTER_GA */ static int sxg_initialize_link(struct adapter_t *adapter) { - struct SXG_HW_REGS *HwRegs = adapter->HwRegs; + struct sxg_hw_regs *HwRegs = adapter->HwRegs; u32 Value; u32 ConfigData; u32 MaxFrame; @@ -2140,15 +2299,17 @@ static int sxg_initialize_link(struct adapter_t *adapter) /* 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? */ - Value = *(u32 *) adapter->MacAddr; + /* + * 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. */ WRITE_REG(HwRegs->MacAddressLow, ntohl(Value), TRUE); - Value = (*(u16 *) & adapter->MacAddr[4] & 0x0000FFFF); + 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) */ Value = ntohl(Value); @@ -2167,30 +2328,41 @@ static int sxg_initialize_link(struct adapter_t *adapter) 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 */ - TRUE); + WRITE_REG(HwRegs->MacConfig1, ( + /* Allow sending of pause */ + AXGMAC_CFG1_XMT_PAUSE | + /* Enable XMT */ + AXGMAC_CFG1_XMT_EN | + /* Enable detection of pause */ + AXGMAC_CFG1_RCV_PAUSE | + /* Enable receive */ + AXGMAC_CFG1_RCV_EN | + /* short frame detection */ + AXGMAC_CFG1_SHORT_ASSERT | + /* Verify frame length */ + AXGMAC_CFG1_CHECK_LEN | + /* Generate FCS */ + AXGMAC_CFG1_GEN_FCS | + /* Pad frames to 64 bytes */ + AXGMAC_CFG1_PAD_64), + TRUE); /* 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 */ @@ -2200,14 +2372,22 @@ static int sxg_initialize_link(struct adapter_t *adapter) 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 */ - &Value); + /* 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); + DBG_ERROR("After sxg_read_mdio_reg Value[%x] fail=%x\n", Value, + (Value & PMA_CONTROL1_RESET)); if (status != STATUS_SUCCESS) return (STATUS_FAILURE); if (Value & PMA_CONTROL1_RESET) /* reset complete if bit is 0 */ @@ -2228,16 +2408,26 @@ static int sxg_initialize_link(struct adapter_t *adapter) 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 */ + + /* MIIM_DEV_PHY_PMA - PHY PMA/PMD module + * LASI_CONTROL - LASI control register + * LASI_CTL_LS_ALARM_ENABLE - enable link alarm bit + */ + status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA, + LASI_CONTROL, + LASI_CTL_LS_ALARM_ENABLE); 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 */ + + /* MIIM_DEV_PHY_PMA - PHY PMA/PMD module + * LASI_CONTROL - LASI control register + */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, + LASI_CONTROL, &Value); + if (status != STATUS_SUCCESS) return (STATUS_FAILURE); if (!(Value & LASI_CTL_LS_ALARM_ENABLE)) { @@ -2277,21 +2467,25 @@ static int sxg_initialize_link(struct adapter_t *adapter) static int sxg_phy_init(struct adapter_t *adapter) { u32 Value; - struct PHY_UCODE *p; + struct phy_ucode *p; int status; 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 */ + /* MIIM_DEV_PHY_PMA - PHY PMA/PMD module + * 0xC205 - PHY ID register (?) + * &Value - XXXTODO - add def + */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, + 0xC205, + &Value); if (status != STATUS_SUCCESS) return (STATUS_FAILURE); - if (Value == 0x0012) { /* 0x0012 == AEL2005C PHY(?) - XXXTODO - add def */ - DBG_ERROR - ("AEL2005C PHY detected. Downloading PHY microcode.\n"); + 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 */ for (p = PhyUcode; p->Addr != 0xFFFF; p++) { @@ -2299,10 +2493,13 @@ static int sxg_phy_init(struct adapter_t *adapter) /* 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 address */ + p->Addr, + /* PHY data */ + p->Data); if (status != STATUS_SUCCESS) return (STATUS_FAILURE); } @@ -2324,7 +2521,7 @@ static int sxg_phy_init(struct adapter_t *adapter) */ static void sxg_link_event(struct adapter_t *adapter) { - struct SXG_HW_REGS *HwRegs = adapter->HwRegs; + struct sxg_hw_regs *HwRegs = adapter->HwRegs; enum SXG_LINK_STATE LinkState; int status; u32 Value; @@ -2336,18 +2533,22 @@ static void sxg_link_event(struct adapter_t *adapter) /* 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 */ + /* MIIM_DEV_PHY_PMA - PHY PMA/PMD module */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, + /* LASI status register */ + LASI_STATUS, &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); @@ -2357,14 +2558,16 @@ static void sxg_link_event(struct adapter_t *adapter) 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__); @@ -2389,10 +2592,15 @@ static enum SXG_LINK_STATE sxg_get_link_state(struct 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. + */ + + /* MIIM_DEV_PHY_PMA - PHY PMA/PMD module */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, + /* PMA/PMD Receive Signal Detect register */ + PHY_PMA_RCV_DET, &Value); if (status != STATUS_SUCCESS) goto bad; @@ -2401,8 +2609,10 @@ static enum SXG_LINK_STATE sxg_get_link_state(struct adapter_t *adapter) 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 */ + /* MIIM_DEV_PHY_PCS - PHY PCS module */ + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PCS, + /* PCS 10GBASE-R Status 1 register */ + PHY_PCS_10G_STATUS1, &Value); if (status != STATUS_SUCCESS) goto bad; @@ -2411,8 +2621,9 @@ static enum SXG_LINK_STATE sxg_get_link_state(struct adapter_t *adapter) 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 */ + /* XS Lane Status register */ + PHY_XS_LANE_STATUS, &Value); if (status != STATUS_SUCCESS) goto bad; @@ -2427,7 +2638,7 @@ static enum SXG_LINK_STATE sxg_get_link_state(struct adapter_t *adapter) 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); @@ -2460,20 +2671,24 @@ static void sxg_indicate_link_state(struct adapter_t *adapter, * Return * None */ -static void sxg_link_state(struct adapter_t *adapter, enum SXG_LINK_STATE LinkState) +static void sxg_link_state(struct adapter_t *adapter, + enum SXG_LINK_STATE LinkState) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "LnkINDCT", adapter, LinkState, adapter->LinkState, adapter->State); 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.. */ spin_unlock(&adapter->AdapterLock); - DBG_ERROR("EXIT #0 %s\n", __func__); + DBG_ERROR("EXIT #0 %s. Link status = %d\n", + __func__, LinkState); return; } /* Save the adapter state */ @@ -2501,14 +2716,16 @@ static void sxg_link_state(struct adapter_t *adapter, enum SXG_LINK_STATE LinkSt static int sxg_write_mdio_reg(struct adapter_t *adapter, u32 DevAddr, u32 RegAddr, u32 Value) { - struct SXG_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) */ + struct sxg_hw_regs *HwRegs = adapter->HwRegs; + /* Address operation (written to MIIM field reg) */ + u32 AddrOp; + /* Write operation (written to MIIM field reg) */ + u32 WriteOp; + 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); @@ -2571,7 +2788,7 @@ static int sxg_write_mdio_reg(struct adapter_t *adapter, } } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); -/* DBG_ERROR("EXIT %s\n", __func__); */ + /* DBG_ERROR("EXIT %s\n", __func__); */ return (STATUS_SUCCESS); } @@ -2583,7 +2800,7 @@ static int sxg_write_mdio_reg(struct adapter_t *adapter, * adapter - A pointer to our adapter structure * DevAddr - MDIO device number being addressed * RegAddr - register address for the specified MDIO device - * pValue - pointer to where to put data read from the MDIO register + * pValue - pointer to where to put data read from the MDIO register * * Return * status @@ -2591,16 +2808,16 @@ static int sxg_write_mdio_reg(struct adapter_t *adapter, static int sxg_read_mdio_reg(struct adapter_t *adapter, u32 DevAddr, u32 RegAddr, u32 *pValue) { - struct SXG_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) */ + struct sxg_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 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", __FUNCTION__); /* Ensure values don't exceed field width */ DevAddr &= 0x001F; /* 5-bit field */ @@ -2636,6 +2853,8 @@ static int sxg_read_mdio_reg(struct adapter_t *adapter, udelay(100); /* Timeout in 100us units */ READ_REG(HwRegs->MacAmiimIndicator, ValueRead); if (--Timeout == 0) { + DBG_ERROR("EXIT %s with STATUS_FAILURE 1\n", __FUNCTION__); + return (STATUS_FAILURE); } } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); @@ -2655,6 +2874,8 @@ static int sxg_read_mdio_reg(struct adapter_t *adapter, udelay(100); /* Timeout in 100us units */ READ_REG(HwRegs->MacAmiimIndicator, ValueRead); if (--Timeout == 0) { + DBG_ERROR("EXIT %s with STATUS_FAILURE 2\n", __FUNCTION__); + return (STATUS_FAILURE); } } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); @@ -2663,7 +2884,7 @@ static int sxg_read_mdio_reg(struct adapter_t *adapter, READ_REG(HwRegs->MacAmiimField, *pValue); *pValue &= 0xFFFF; /* data is in the lower 16 bits */ -/* DBG_ERROR("EXIT %s\n", __func__); */ + DBG_ERROR("EXIT %s\n", __FUNCTION__); return (STATUS_SUCCESS); } @@ -2672,22 +2893,21 @@ static int sxg_read_mdio_reg(struct adapter_t *adapter, * Functions to obtain the CRC corresponding to the destination mac address. * This is a standard ethernet CRC in that it is a 32-bit, reflected CRC using * the polynomial: - * x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1. - * - * After the CRC for the 6 bytes is generated (but before the value is complemented), - * we must then transpose the value and return bits 30-23. + * x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + * + x^4 + x^2 + x^1. * + * After the CRC for the 6 bytes is generated (but before the value is + * complemented), we must then transpose the value and return bits 30-23. */ -static u32 sxg_crc_table[256]; /* Table of CRC's for all possible byte values */ +static u32 sxg_crc_table[256];/* Table of CRC's for all possible byte values */ +static u32 sxg_crc_init; /* Is table initialized */ -/* - * Contruct the CRC32 table - */ +/* Contruct the CRC32 table */ static void sxg_mcast_init_crc32(void) { - u32 c; /* CRC shit reg */ - u32 e = 0; /* Poly X-or pattern */ - int i; /* counter */ + u32 c; /* CRC shit reg */ + u32 e = 0; /* Poly X-or pattern */ + int i; /* counter */ int k; /* byte being shifted into crc */ static int p[] = { 0, 1, 2, 4, 5, 7, 8, 10, 11, 12, 16, 22, 23, 26 }; @@ -2705,8 +2925,6 @@ static void sxg_mcast_init_crc32(void) } } -#if XXXTODO -static u32 sxg_crc_init; /* Is table initialized */ /* * Return the MAC hast as described above. */ @@ -2737,25 +2955,31 @@ static unsigned char sxg_mcast_get_mac_hash(char *macaddr) static void sxg_mcast_set_mask(struct adapter_t *adapter) { - struct SXG_UCODE_REGS *sxg_regs = adapter->UcodeRegs; + struct sxg_ucode_regs *sxg_regs = adapter->UcodeRegs; DBG_ERROR("%s ENTER (%s) macopts[%x] mask[%llx]\n", __func__, adapter->netdev->name, (unsigned int)adapter->MacFilter, adapter->MulticastMask); if (adapter->MacFilter & (MAC_ALLMCAST | MAC_PROMISC)) { - /* Turn on all multicast addresses. We have to do this for promiscuous - * mode as well as ALLMCAST mode. It saves the Microcode from having - * to keep state about the MAC configuration. + /* + * Turn on all multicast addresses. We have to do this for + * promiscuous mode as well as ALLMCAST mode. It saves the + * Microcode from having 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 - * address mask registers + /* + * Commit our multicast mast to the SLIC by writing to the + * multicast address mask registers */ DBG_ERROR("%s (%s) WRITE mcastlow[%lx] mcasthigh[%lx]\n", __func__, adapter->netdev->name, @@ -2777,7 +3001,7 @@ static void sxg_mcast_set_mask(struct adapter_t *adapter) */ static int sxg_mcast_add_list(struct adapter_t *adapter, char *address) { - p_mcast_address_t mcaddr, mlist; + struct mcast_address *mcaddr, *mlist; bool equaladdr; /* Check to see if it already exists */ @@ -2791,7 +3015,7 @@ static int sxg_mcast_add_list(struct adapter_t *adapter, char *address) } /* Doesn't already exist. Allocate a structure to hold it */ - mcaddr = kmalloc(sizeof(mcast_address_t), GFP_ATOMIC); + mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC); if (mcaddr == NULL) return 1; @@ -2810,7 +3034,8 @@ static void sxg_mcast_set_bit(struct adapter_t *adapter, char *address) /* Get the CRC polynomial for the mac address */ crcpoly = sxg_mcast_get_mac_hash(address); - /* We only have space on the SLIC for 64 entries. Lop + /* + * We only have space on the SLIC for 64 entries. Lop * off the top two bits. (2^6 = 64) */ crcpoly &= 0x3F; @@ -2819,74 +3044,79 @@ static void sxg_mcast_set_bit(struct adapter_t *adapter, char *address) adapter->MulticastMask |= (u64) 1 << crcpoly; } -static void sxg_mcast_set_list(p_net_device dev) +static void sxg_mcast_set_list(struct net_device *dev) { struct adapter_t *adapter = (struct adapter_t *) netdev_priv(dev); - int status = STATUS_SUCCESS; - int i; - char *addresses; - struct dev_mc_list *mc_list = dev->mc_list; - int mc_count = dev->mc_count; ASSERT(adapter); - - for (i = 1; i <= mc_count; i++) { - addresses = (char *)&mc_list->dmi_addr; - if (mc_list->dmi_addrlen == 6) { - status = sxg_mcast_add_list(adapter, addresses); - if (status != STATUS_SUCCESS) { - break; - } - } else { - status = -EINVAL; - break; - } - sxg_mcast_set_bit(adapter, addresses); - mc_list = mc_list->next; - } - - DBG_ERROR("%s a->devflags_prev[%x] dev->flags[%x] status[%x]\n", - __func__, adapter->devflags_prev, dev->flags, status); - if (adapter->devflags_prev != dev->flags) { - adapter->macopts = MAC_DIRECTED; - if (dev->flags) { - if (dev->flags & IFF_BROADCAST) { - adapter->macopts |= MAC_BCAST; - } - if (dev->flags & IFF_PROMISC) { - adapter->macopts |= MAC_PROMISC; - } - if (dev->flags & IFF_ALLMULTI) { - adapter->macopts |= MAC_ALLMCAST; - } - if (dev->flags & IFF_MULTICAST) { - adapter->macopts |= MAC_MCAST; - } - } - adapter->devflags_prev = dev->flags; - DBG_ERROR("%s call sxg_config_set adapter->macopts[%x]\n", - __func__, adapter->macopts); - sxg_config_set(adapter, TRUE); - } else { - if (status == STATUS_SUCCESS) { - sxg_mcast_set_mask(adapter); - } + if (dev->flags & IFF_PROMISC) { + adapter->MacFilter |= MAC_PROMISC; } - return; + //XXX handle other flags as well + sxg_mcast_set_mask(adapter); } -#endif static void sxg_unmap_mmio_space(struct 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 } +/* +void SxgFreeRcvBlocks(struct adapter_t *adapter) +{ + u32 i; + struct list_entry *ple; + struct sxg_rcv_block_hdr *Hdr; + struct sxg_rcv_data_buffer_hdr *RcvDataBufferHdr; + u32 FreeBuffers = 0, FreeBlocks = 0; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "FrRcvBlk", + adapter, 0, 0, 0); + + ASSERT((adapter->State == SXG_STATE_INITIALIZING) || + (pAdapt->State == SXG_STATE_HALTING)); + + for(i = 0; i < SXG_MAX_CPU; i++) { + FreeBuffers += pAdapt->PerCpuResources[i].FreeReceiveBuffers.Count; + FreeBlocks += pAdapt->PerCpuResources[i].FreeReceiveBlocks.Count; + pAdapt->PerCpuResources[i].FreeReceiveBuffers.Count = 0; + pAdapt->PerCpuResources[i].FreeReceiveBuffers.FreeList = NULL; + pAdapt->PerCpuResources[i].FreeReceiveBlocks.Count = 0; + pAdapt->PerCpuResources[i].FreeReceiveBlocks.FreeList = NULL; + } + FreeBuffers += pAdapt->GlobalResources.FreeReceiveBuffers.Count; + FreeBlocks += pAdapt->GlobalResources.FreeReceiveBlocks.Count; + pAdapt->GlobalResources.FreeReceiveBuffers.Count = 0; + pAdapt->GlobalResources.FreeReceiveBuffers.FreeList = NULL; + pAdapt->GlobalResources.FreeReceiveBlocks.Count = 0; + pAdapt->GlobalResources.FreeReceiveBlocks.FreeList = NULL; + ASSERT(FreeBlocks == pAdapt->AllRcvBlockCount); // See SXG_RCV_BLOCK + ASSERT(FreeBuffers == + (pAdapt->AllRcvBlockCount * SXG_RCV_DESCRIPTORS_PER_BLOCK)); // See SXG_RCV_BLOCK + + while(!(IsListEmpty(&pAdapt->AllRcvBlocks))) { + ple = RemoveHeadList(&pAdapt->AllRcvBlocks); + Hdr = CONTAINING_RECORD(ple, SXG_RCV_BLOCK_HDR, AllList); + NdisMFreeSharedMemory(pAdapt->MiniportHandle, + SXG_RCV_BLOCK_SIZE(pAdapt->ReceiveBufferSize), + TRUE, + Hdr->VirtualAddress, + Hdr->PhysicalAddress); + pAdapt->AllRcvBlockCount--; + } + ASSERT(pAdapt->AllRcvBlockCount == 0); + SLIC_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFrRBlk", + pAdapt, 0, 0, 0); +} +*/ +//#if XXXTODO -#if XXXTODO /* * SxgFreeResources - Free everything allocated in SxgAllocateResources * @@ -2899,72 +3129,92 @@ static void sxg_unmap_mmio_space(struct adapter_t *adapter) void SxgFreeResources(struct adapter_t *adapter) { u32 RssIds, IsrCount; - PTCP_OBJECT TcpObject; u32 i; - BOOLEAN TimerCancelled; - +/* SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "FreeRes", adapter, adapter->MaxTcbs, 0, 0); - +*/ RssIds = SXG_RSS_CPU_COUNT(adapter); IsrCount = adapter->MsiEnabled ? RssIds : 1; 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; } - +/* if (!(IsListEmpty(&adapter->AllRcvBlocks))) { SxgFreeRcvBlocks(adapter); } if (!(IsListEmpty(&adapter->AllSglBuffers))) { SxgFreeSglBuffers(adapter); } - /* Free event queues. */ - if (adapter->EventRings) { - pci_free_consistent(adapter->pcidev, - sizeof(struct SXG_EVENT_RING) * RssIds, - adapter->EventRings, adapter->PEventRings); - } - if (adapter->Isr) { - pci_free_consistent(adapter->pcidev, - sizeof(u32) * IsrCount, - adapter->Isr, adapter->PIsr); - } +*/ + if (adapter->XmtRingZeroIndex) { pci_free_consistent(adapter->pcidev, sizeof(u32), adapter->XmtRingZeroIndex, adapter->PXmtRingZeroIndex); } - if (adapter->IndirectionTable) { - pci_free_consistent(adapter->pcidev, - SXG_MAX_RSS_TABLE_SIZE, - adapter->IndirectionTable, - adapter->PIndirectionTable); - } + printk("VSS Free Isr\n"); + if (adapter->Isr) { + pci_free_consistent(adapter->pcidev, + sizeof(u32) * IsrCount, + adapter->Isr, adapter->PIsr); + } + + printk("VSS Free EventRings\n"); + if (adapter->EventRings) { + pci_free_consistent(adapter->pcidev, + sizeof(struct sxg_event_ring) * RssIds, + adapter->EventRings, adapter->PEventRings); + } +/* + printk("VSS Free RcvRings\n"); + if (adapter->RcvRings) { + pci_free_consistent(adapter->pcidev, + sizeof(struct sxg_rcv_ring) * 4096, + adapter->RcvRings, + adapter->PRcvRings); + adapter->RcvRings = NULL; + } + + printk("VSS Free XmtRings\n"); + if(adapter->XmtRings) { + pci_free_consistent(adapter->pcidev, + sizeof(struct sxg_xmt_ring) * 4096, + adapter->XmtRings, + adapter->PXmtRings); + adapter->XmtRings = NULL; + } + +*/ + +/* SXG_FREE_PACKET_POOL(adapter->PacketPoolHandle); SXG_FREE_BUFFER_POOL(adapter->BufferPoolHandle); - +*/ /* Unmap register spaces */ - SxgUnmapResources(adapter); + // SxgUnmapResources(adapter); /* Deregister DMA */ - if (adapter->DmaHandle) { +/* if (adapter->DmaHandle) { SXG_DEREGISTER_DMA(adapter->DmaHandle); } - /* Deregister interrupt */ - SxgDeregisterInterrupt(adapter); +*/ /* Deregister interrupt */ + // SxgDeregisterInterrupt(adapter); /* Possibly free system info (5.2 only) */ - SXG_RELEASE_SYSTEM_INFO(adapter); - - SxgDiagFreeResources(adapter); + // SXG_RELEASE_SYSTEM_INFO(adapter); - SxgFreeMCastAddrs(adapter); + //SxgDiagFreeResources(adapter); + // SxgFreeMCastAddrs(adapter); +/* if (SXG_TIMER_ALLOCATED(adapter->ResetTimer)) { SXG_CANCEL_TIMER(adapter->ResetTimer, TimerCancelled); SXG_FREE_TIMER(adapter->ResetTimer); @@ -2977,13 +3227,14 @@ void SxgFreeResources(struct adapter_t *adapter) SXG_CANCEL_TIMER(adapter->OffloadTimer, TimerCancelled); SXG_FREE_TIMER(adapter->OffloadTimer); } - +*/ adapter->BasicAllocations = FALSE; - SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFreeRes", +/* SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFreeRes", adapter, adapter->MaxTcbs, 0, 0); +*/ } -#endif +// #endif /* * sxg_allocate_complete - @@ -3003,7 +3254,7 @@ void SxgFreeResources(struct adapter_t *adapter) static void sxg_allocate_complete(struct adapter_t *adapter, void *VirtualAddress, dma_addr_t PhysicalAddress, - u32 Length, enum SXG_BUFFER_TYPE Context) + u32 Length, enum sxg_buffer_type Context) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocCmp", adapter, VirtualAddress, Length, Context); @@ -3018,7 +3269,7 @@ static void sxg_allocate_complete(struct adapter_t *adapter, PhysicalAddress, Length); break; case SXG_BUFFER_TYPE_SGL: - sxg_allocate_sgl_buffer_complete(adapter, (struct SXG_SCATTER_GATHER*) + sxg_allocate_sgl_buffer_complete(adapter, (struct sxg_scatter_gather *) VirtualAddress, PhysicalAddress, Length); break; @@ -3040,7 +3291,7 @@ static void sxg_allocate_complete(struct adapter_t *adapter, * int */ static int sxg_allocate_buffer_memory(struct adapter_t *adapter, - u32 Size, enum SXG_BUFFER_TYPE BufferType) + u32 Size, enum sxg_buffer_type BufferType) { int status; void *Buffer; @@ -3048,14 +3299,17 @@ static int sxg_allocate_buffer_memory(struct 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); @@ -3063,8 +3317,10 @@ static int sxg_allocate_buffer_memory(struct adapter_t *adapter, 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", @@ -3080,7 +3336,8 @@ static int sxg_allocate_buffer_memory(struct adapter_t *adapter, } /* - * sxg_allocate_rcvblock_complete - Complete a receive descriptor block allocation + * sxg_allocate_rcvblock_complete - Complete a receive descriptor + * block allocation * * Arguments - * adapter - A pointer to our adapter structure @@ -3089,7 +3346,6 @@ static int sxg_allocate_buffer_memory(struct adapter_t *adapter, * Length - Memory length * * Return - * */ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter, void *RcvBlock, @@ -3099,11 +3355,11 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter, u32 i; u32 BufferSize = adapter->ReceiveBufferSize; u64 Paddr; - struct SXG_RCV_BLOCK_HDR *RcvBlockHdr; - unsigned char *RcvDataBuffer; - struct SXG_RCV_DATA_BUFFER_HDR *RcvDataBufferHdr; - struct SXG_RCV_DESCRIPTOR_BLOCK *RcvDescriptorBlock; - struct SXG_RCV_DESCRIPTOR_BLOCK_HDR *RcvDescriptorBlockHdr; + void *temp_RcvBlock; + struct sxg_rcv_block_hdr *RcvBlockHdr; + struct sxg_rcv_data_buffer_hdr *RcvDataBufferHdr; + struct sxg_rcv_descriptor_block *RcvDescriptorBlock; + struct sxg_rcv_descriptor_block_hdr *RcvDescriptorBlockHdr; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlRcvBlk", adapter, RcvBlock, Length, 0); @@ -3113,42 +3369,33 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter, memset(RcvBlock, 0, Length); ASSERT((BufferSize == SXG_RCV_DATA_BUFFER_SIZE) || (BufferSize == SXG_RCV_JUMBO_BUFFER_SIZE)); - ASSERT(Length == SXG_RCV_BLOCK_SIZE(BufferSize)); - /* First, initialize the contained pool of receive data */ - /* buffers. This initialization requires NBL/NB/MDL allocations, */ - /* If any of them fail, free the block and return without */ - /* queueing the shared memory */ - RcvDataBuffer = RcvBlock; -#if 0 - for (i = 0, Paddr = *PhysicalAddress; - i < SXG_RCV_DESCRIPTORS_PER_BLOCK; - i++, Paddr.LowPart += BufferSize, RcvDataBuffer += BufferSize) -#endif - for (i = 0, Paddr = PhysicalAddress; - i < SXG_RCV_DESCRIPTORS_PER_BLOCK; - i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) { - /* */ - RcvDataBufferHdr = - (struct SXG_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->Size = - SXG_RCV_BUFFER_DATA_SIZE(BufferSize); - - SXG_ALLOCATE_RCV_PACKET(adapter, RcvDataBufferHdr); - if (RcvDataBufferHdr->SxgDumbRcvPacket == NULL) - goto fail; + ASSERT(Length == SXG_RCV_BLOCK_SIZE(SXG_RCV_DATA_HDR_SIZE)); + /* + * First, initialize the contained pool of receive data buffers. + * This initialization requires NBL/NB/MDL allocations, if any of them + * fail, free the block and return without queueing the shared memory + */ + //RcvDataBuffer = RcvBlock; + temp_RcvBlock = RcvBlock; + for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; + i++, temp_RcvBlock += SXG_RCV_DATA_HDR_SIZE) { + RcvDataBufferHdr = (struct sxg_rcv_data_buffer_hdr *) + temp_RcvBlock; + /* For FREE macro assertion */ + RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM; + SXG_ALLOCATE_RCV_PACKET(adapter, RcvDataBufferHdr, BufferSize); + if (RcvDataBufferHdr->SxgDumbRcvPacket == NULL) + goto fail; - } + } - /* Place this entire block of memory on the AllRcvBlocks queue so it can be */ - /* free later */ - RcvBlockHdr = - (struct SXG_RCV_BLOCK_HDR*) ((unsigned char *)RcvBlock + - SXG_RCV_BLOCK_HDR_OFFSET(BufferSize)); + /* + * Place this entire block of memory on the AllRcvBlocks queue so it + * can be free later + */ + + RcvBlockHdr = (struct sxg_rcv_block_hdr *) ((unsigned char *)RcvBlock + + SXG_RCV_BLOCK_HDR_OFFSET(SXG_RCV_DATA_HDR_SIZE)); RcvBlockHdr->VirtualAddress = RcvBlock; RcvBlockHdr->PhysicalAddress = PhysicalAddress; spin_lock(&adapter->RcvQLock); @@ -3156,14 +3403,15 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter, InsertTailList(&adapter->AllRcvBlocks, &RcvBlockHdr->AllList); spin_unlock(&adapter->RcvQLock); - /* Now free the contained receive data buffers that we initialized above */ - RcvDataBuffer = RcvBlock; + /* Now free the contained receive data buffers that we + * initialized above */ + temp_RcvBlock = RcvBlock; for (i = 0, Paddr = PhysicalAddress; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; - i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) { - RcvDataBufferHdr = (struct SXG_RCV_DATA_BUFFER_HDR*) (RcvDataBuffer + - SXG_RCV_DATA_BUFFER_HDR_OFFSET - (BufferSize)); + i++, Paddr += SXG_RCV_DATA_HDR_SIZE, + temp_RcvBlock += SXG_RCV_DATA_HDR_SIZE) { + RcvDataBufferHdr = + (struct sxg_rcv_data_buffer_hdr *)temp_RcvBlock; spin_lock(&adapter->RcvQLock); SXG_FREE_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr); spin_unlock(&adapter->RcvQLock); @@ -3171,13 +3419,13 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter, /* Locate the descriptor block and put it on a separate free queue */ RcvDescriptorBlock = - (struct SXG_RCV_DESCRIPTOR_BLOCK*) ((unsigned char *)RcvBlock + + (struct sxg_rcv_descriptor_block *) ((unsigned char *)RcvBlock + SXG_RCV_DESCRIPTOR_BLOCK_OFFSET - (BufferSize)); + (SXG_RCV_DATA_HDR_SIZE)); RcvDescriptorBlockHdr = - (struct SXG_RCV_DESCRIPTOR_BLOCK_HDR*) ((unsigned char *)RcvBlock + + (struct sxg_rcv_descriptor_block_hdr *) ((unsigned char *)RcvBlock + SXG_RCV_DESCRIPTOR_BLOCK_HDR_OFFSET - (BufferSize)); + (SXG_RCV_DATA_HDR_SIZE)); RcvDescriptorBlockHdr->VirtualAddress = RcvDescriptorBlock; RcvDescriptorBlockHdr->PhysicalAddress = Paddr; spin_lock(&adapter->RcvQLock); @@ -3186,16 +3434,14 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter, SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlRBlk", adapter, RcvBlock, Length, 0); return; - fail: +fail: /* Free any allocated resources */ if (RcvBlock) { - RcvDataBuffer = RcvBlock; + temp_RcvBlock = RcvBlock; for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; - i++, RcvDataBuffer += BufferSize) { + i++, temp_RcvBlock += SXG_RCV_DATA_HDR_SIZE) { RcvDataBufferHdr = - (struct SXG_RCV_DATA_BUFFER_HDR*) (RcvDataBuffer + - SXG_RCV_DATA_BUFFER_HDR_OFFSET - (BufferSize)); + (struct sxg_rcv_data_buffer_hdr *)temp_RcvBlock; SXG_FREE_RCV_PACKET(RcvDataBufferHdr); } pci_free_consistent(adapter->pcidev, @@ -3213,15 +3459,14 @@ static void sxg_allocate_rcvblock_complete(struct adapter_t *adapter, * * Arguments - * adapter - A pointer to our adapter structure - * SxgSgl - SXG_SCATTER_GATHER buffer + * SxgSgl - struct sxg_scatter_gather buffer * PhysicalAddress - Physical address * Length - Memory length * * Return - * */ static void sxg_allocate_sgl_buffer_complete(struct adapter_t *adapter, - struct SXG_SCATTER_GATHER *SxgSgl, + struct sxg_scatter_gather *SxgSgl, dma_addr_t PhysicalAddress, u32 Length) { @@ -3229,9 +3474,11 @@ static void sxg_allocate_sgl_buffer_complete(struct adapter_t *adapter, adapter, SxgSgl, Length, 0); spin_lock(&adapter->SglQLock); adapter->AllSglBufferCount++; - memset(SxgSgl, 0, sizeof(struct SXG_SCATTER_GATHER*)); - SxgSgl->PhysicalAddress = PhysicalAddress; /* *PhysicalAddress; */ - SxgSgl->adapter = adapter; /* Initialize backpointer once */ + memset(SxgSgl, 0, sizeof(struct sxg_scatter_gather)); + /* *PhysicalAddress; */ + SxgSgl->PhysicalAddress = PhysicalAddress; + /* Initialize backpointer once */ + SxgSgl->adapter = adapter; InsertTailList(&adapter->AllSglBuffers, &SxgSgl->AllList); spin_unlock(&adapter->SglQLock); SxgSgl->State = SXG_BUFFER_BUSY; @@ -3240,19 +3487,22 @@ static void sxg_allocate_sgl_buffer_complete(struct adapter_t *adapter, adapter, SxgSgl, Length, 0); } -static unsigned char temp_mac_address[6] = - { 0x00, 0xab, 0xcd, 0xef, 0x12, 0x69 }; static void sxg_adapter_set_hwaddr(struct 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); */ - - memcpy(adapter->macaddr, temp_mac_address, sizeof(struct SXG_CONFIG_MAC)); -/* DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", __func__); */ -/* 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); + */ + /* DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", + * __FUNCTION__); + */ + + /* sxg_dbg_macaddrs(adapter); */ + if (!(adapter->currmacaddr[0] || adapter->currmacaddr[1] || adapter->currmacaddr[2] || @@ -3262,14 +3512,15 @@ static void sxg_adapter_set_hwaddr(struct adapter_t *adapter) } if (adapter->netdev) { memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, 6); + memcpy(adapter->netdev->perm_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); } #if XXXTODO -static int sxg_mac_set_address(p_net_device dev, void *ptr) +static int sxg_mac_set_address(struct net_device *dev, void *ptr) { struct adapter_t *adapter = (struct adapter_t *) netdev_priv(dev); struct sockaddr *addr = ptr; @@ -3300,18 +3551,15 @@ static int sxg_mac_set_address(p_net_device dev, void *ptr) } #endif -/*****************************************************************************/ -/************* SXG DRIVER FUNCTIONS (below) ********************************/ -/*****************************************************************************/ - /* + * SXG DRIVER FUNCTIONS (below) + * * sxg_initialize_adapter - Initialize adapter * * Arguments - * adapter - A pointer to our adapter structure * - * Return - * int + * Return - int */ static int sxg_initialize_adapter(struct adapter_t *adapter) { @@ -3325,9 +3573,11 @@ static int sxg_initialize_adapter(struct adapter_t *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 */ - ASSERT(sizeof(struct SXG_UCODE_REGS) == SXG_REGISTER_SIZE_PER_CPU); + /* + * Sanity check SXG_UCODE_REGS structure definition to + * make sure the length is correct + */ + ASSERT(sizeof(struct sxg_ucode_regs) == SXG_REGISTER_SIZE_PER_CPU); /* Disable interrupts */ SXG_DISABLE_ALL_INTERRUPTS(adapter); @@ -3375,11 +3625,12 @@ static int sxg_initialize_adapter(struct adapter_t *adapter) /* 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); @@ -3391,10 +3642,13 @@ static int sxg_initialize_adapter(struct 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; + adapter->State = SXG_STATE_RUNNING; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XInit", adapter, 0, 0, 0); @@ -3413,15 +3667,14 @@ static int sxg_initialize_adapter(struct adapter_t *adapter) * status */ static int sxg_fill_descriptor_block(struct adapter_t *adapter, - struct SXG_RCV_DESCRIPTOR_BLOCK_HDR - *RcvDescriptorBlockHdr) + struct sxg_rcv_descriptor_block_hdr *RcvDescriptorBlockHdr) { u32 i; - struct SXG_RING_INFO *RcvRingInfo = &adapter->RcvRingZeroInfo; - struct SXG_RCV_DATA_BUFFER_HDR *RcvDataBufferHdr; - struct SXG_RCV_DESCRIPTOR_BLOCK *RcvDescriptorBlock; - struct SXG_CMD *RingDescriptorCmd; - struct SXG_RCV_RING *RingZero = &adapter->RcvRings[0]; + struct sxg_ring_info *RcvRingInfo = &adapter->RcvRingZeroInfo; + struct sxg_rcv_data_buffer_hdr *RcvDataBufferHdr; + struct sxg_rcv_descriptor_block *RcvDescriptorBlock; + struct sxg_cmd *RingDescriptorCmd; + struct sxg_rcv_ring *RingZero = &adapter->RcvRings[0]; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "FilBlk", adapter, adapter->RcvBuffersOnCard, @@ -3429,8 +3682,10 @@ static int sxg_fill_descriptor_block(struct 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++; @@ -3441,27 +3696,31 @@ static int sxg_fill_descriptor_block(struct adapter_t *adapter, RcvRingInfo, RingDescriptorCmd, RcvDescriptorBlockHdr); ASSERT(RingDescriptorCmd); RcvDescriptorBlockHdr->State = SXG_BUFFER_ONCARD; - RcvDescriptorBlock = - (struct SXG_RCV_DESCRIPTOR_BLOCK*) RcvDescriptorBlockHdr->VirtualAddress; + RcvDescriptorBlock = (struct sxg_rcv_descriptor_block *) + RcvDescriptorBlockHdr->VirtualAddress; /* Fill in the descriptor block */ for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; i++) { SXG_GET_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr); ASSERT(RcvDataBufferHdr); + ASSERT(RcvDataBufferHdr->SxgDumbRcvPacket); SXG_REINIATIALIZE_PACKET(RcvDataBufferHdr->SxgDumbRcvPacket); RcvDataBufferHdr->State = SXG_BUFFER_ONCARD; RcvDescriptorBlock->Descriptors[i].VirtualAddress = - (void *)RcvDataBufferHdr; + (void *)RcvDataBufferHdr; + RcvDescriptorBlock->Descriptors[i].PhysicalAddress = RcvDataBufferHdr->PhysicalAddress; } /* 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", @@ -3486,34 +3745,36 @@ static int sxg_fill_descriptor_block(struct adapter_t *adapter, */ static void sxg_stock_rcv_buffers(struct adapter_t *adapter) { - struct SXG_RCV_DESCRIPTOR_BLOCK_HDR *RcvDescriptorBlockHdr; + struct sxg_rcv_descriptor_block_hdr *RcvDescriptorBlockHdr; 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)) { sxg_allocate_buffer_memory(adapter, - SXG_RCV_BLOCK_SIZE(adapter-> - ReceiveBufferSize), + SXG_RCV_BLOCK_SIZE + (SXG_RCV_DATA_HDR_SIZE), SXG_BUFFER_TYPE_RCV); } /* Now grab the RcvQLock lock and proceed */ spin_lock(&adapter->RcvQLock); while (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) { - struct LIST_ENTRY *_ple; + struct list_entry *_ple; /* Get a descriptor block */ RcvDescriptorBlockHdr = NULL; if (adapter->FreeRcvBlockCount) { _ple = RemoveHeadList(&adapter->FreeRcvBlocks); RcvDescriptorBlockHdr = - container_of(_ple, struct SXG_RCV_DESCRIPTOR_BLOCK_HDR, + container_of(_ple, struct sxg_rcv_descriptor_block_hdr, FreeList); adapter->FreeRcvBlockCount--; RcvDescriptorBlockHdr->State = SXG_BUFFER_BUSY; @@ -3553,10 +3814,10 @@ static void sxg_stock_rcv_buffers(struct adapter_t *adapter) static void sxg_complete_descriptor_blocks(struct adapter_t *adapter, unsigned char Index) { - struct SXG_RCV_RING *RingZero = &adapter->RcvRings[0]; - struct SXG_RING_INFO *RcvRingInfo = &adapter->RcvRingZeroInfo; - struct SXG_RCV_DESCRIPTOR_BLOCK_HDR *RcvDescriptorBlockHdr; - struct SXG_CMD *RingDescriptorCmd; + struct sxg_rcv_ring *RingZero = &adapter->RcvRings[0]; + struct sxg_ring_info *RcvRingInfo = &adapter->RcvRingZeroInfo; + struct sxg_rcv_descriptor_block_hdr *RcvDescriptorBlockHdr; + struct sxg_cmd *RingDescriptorCmd; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpRBlks", adapter, Index, RcvRingInfo->Head, RcvRingInfo->Tail); @@ -3565,11 +3826,11 @@ static void sxg_complete_descriptor_blocks(struct adapter_t *adapter, 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); @@ -3579,15 +3840,16 @@ static void sxg_complete_descriptor_blocks(struct adapter_t *adapter, /* 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 */ - if (sxg_fill_descriptor_block(adapter, RcvDescriptorBlockHdr) == - STATUS_FAILURE) { + /* + * 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, RcvDescriptorBlockHdr); - } } spin_unlock(&adapter->RcvQLock); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XCRBlks", @@ -3603,7 +3865,7 @@ static struct pci_driver sxg_driver = { .suspend = sxgpm_suspend, .resume = sxgpm_resume, #endif -/* .shutdown = slic_shutdown, MOOK_INVESTIGATE */ + /* .shutdown = slic_shutdown, MOOK_INVESTIGATE */ }; static int __init sxg_module_init(void) |