From 2956640d4aaaecd42bd8ba800cc8c33bfe206b7e Mon Sep 17 00:00:00 2001 From: Dhananjay Phadke Date: Mon, 21 Jul 2008 19:44:04 -0700 Subject: [PATCH] netxen: pci probe and firmware init changes Add initialization code in pci probe for new chip and retain compatibility with old revisions. Signed-off-by: Dhananjay Phadke Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic.h | 40 +- drivers/net/netxen/netxen_nic_hw.c | 71 +-- drivers/net/netxen/netxen_nic_init.c | 404 ++++++++++---- drivers/net/netxen/netxen_nic_main.c | 795 +++++++++++++++++---------- 4 files changed, 872 insertions(+), 438 deletions(-) diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 29ab2ce30d6e..b23a5a447f0c 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -801,6 +801,7 @@ struct netxen_hardware_context { unsigned long db_len; unsigned long pci_len0; + u8 cut_through; int qdr_sn_window; int ddr_mn_window; unsigned long mn_win_crb; @@ -871,9 +872,16 @@ struct netxen_recv_context { struct status_desc *rcv_status_desc_head; }; -#define NETXEN_NIC_MSI_ENABLED 0x02 -#define NETXEN_DMA_MASK 0xfffffffe -#define NETXEN_DB_MAPSIZE_BYTES 0x1000 +#define NETXEN_NIC_MSI_ENABLED 0x02 +#define NETXEN_NIC_MSIX_ENABLED 0x04 +#define NETXEN_IS_MSI_FAMILY(adapter) \ + ((adapter)->flags & (NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED)) + +#define MSIX_ENTRIES_PER_ADAPTER 8 +#define NETXEN_MSIX_TBL_SPACE 8192 +#define NETXEN_PCI_REG_MSIX_TBL 0x44 + +#define NETXEN_DB_MAPSIZE_BYTES 0x1000 struct netxen_dummy_dma { void *addr; @@ -885,6 +893,7 @@ struct netxen_adapter { struct net_device *netdev; struct pci_dev *pdev; + int pci_using_dac; struct napi_struct napi; struct net_device_stats net_stats; unsigned char mac_addr[ETH_ALEN]; @@ -895,6 +904,8 @@ struct netxen_adapter { uint8_t mc_enabled; uint8_t max_mc_count; + struct netxen_legacy_intr_set legacy_intr; + struct work_struct watchdog_task; struct timer_list watchdog_timer; struct work_struct tx_timeout_task; @@ -903,6 +914,8 @@ struct netxen_adapter { u32 crb_win; rwlock_t adapter_lock; + uint64_t dma_mask; + u32 cmd_producer; __le32 *cmd_consumer; u32 last_cmd_consumer; @@ -919,6 +932,12 @@ struct netxen_adapter { int driver_mismatch; u32 temp; + u32 fw_major; + + u8 msix_supported; + u8 max_possible_rss_rings; + struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER]; + struct netxen_adapter_stats stats; u16 link_speed; @@ -1092,8 +1111,10 @@ unsigned long netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter, void netxen_free_adapter_offload(struct netxen_adapter *adapter); int netxen_initialize_adapter_offload(struct netxen_adapter *adapter); int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val); +int netxen_receive_peg_ready(struct netxen_adapter *adapter); int netxen_load_firmware(struct netxen_adapter *adapter); int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose); + int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp); int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr, u8 *bytes, size_t size); @@ -1107,14 +1128,19 @@ void netxen_halt_pegs(struct netxen_adapter *adapter); int netxen_rom_se(struct netxen_adapter *adapter, int addr); -/* Functions from netxen_nic_isr.c */ -void netxen_initialize_adapter_sw(struct netxen_adapter *adapter); +int netxen_alloc_sw_resources(struct netxen_adapter *adapter); +void netxen_free_sw_resources(struct netxen_adapter *adapter); + +int netxen_alloc_hw_resources(struct netxen_adapter *adapter); +void netxen_free_hw_resources(struct netxen_adapter *adapter); + +void netxen_release_rx_buffers(struct netxen_adapter *adapter); +void netxen_release_tx_buffers(struct netxen_adapter *adapter); + void netxen_initialize_adapter_ops(struct netxen_adapter *adapter); int netxen_init_firmware(struct netxen_adapter *adapter); -void netxen_free_hw_resources(struct netxen_adapter *adapter); void netxen_tso_check(struct netxen_adapter *adapter, struct cmd_desc_type0 *desc, struct sk_buff *skb); -int netxen_nic_hw_resources(struct netxen_adapter *adapter); void netxen_nic_clear_stats(struct netxen_adapter *adapter); void netxen_watchdog_task(struct work_struct *work); void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index defbeeac5dbe..fde8c6f1c9f5 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -359,8 +359,6 @@ static u64 ctx_addr_sig_regs[][3] = { #define ADDR_IN_RANGE(addr, low, high) \ (((addr) <= (high)) && ((addr) >= (low))) -#define NETXEN_FLASH_BASE (NETXEN_BOOTLD_START) -#define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE) #define NETXEN_MAX_MTU 8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE #define NETXEN_MIN_MTU 64 #define NETXEN_ETH_FCS_SIZE 4 @@ -381,8 +379,6 @@ static u64 ctx_addr_sig_regs[][3] = { #define NETXEN_NIC_WINDOW_MARGIN 0x100000 -void netxen_free_hw_resources(struct netxen_adapter *adapter); - int netxen_nic_set_mac(struct net_device *netdev, void *p) { struct netxen_adapter *adapter = netdev_priv(netdev); @@ -564,41 +560,22 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu) * check if the firmware has been downloaded and ready to run and * setup the address for the descriptors in the adapter */ -int netxen_nic_hw_resources(struct netxen_adapter *adapter) +int netxen_alloc_hw_resources(struct netxen_adapter *adapter) { struct netxen_hardware_context *hw = &adapter->ahw; u32 state = 0; void *addr; - int loops = 0, err = 0; + int err = 0; int ctx, ring; struct netxen_recv_context *recv_ctx; struct netxen_rcv_desc_ctx *rcv_desc; int func_id = adapter->portnum; - DPRINTK(INFO, "crb_base: %lx %x", NETXEN_PCI_CRBSPACE, - PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE)); - DPRINTK(INFO, "cam base: %lx %x", NETXEN_CRB_CAM, - pci_base_offset(adapter, NETXEN_CRB_CAM)); - DPRINTK(INFO, "cam RAM: %lx %x", NETXEN_CAM_RAM_BASE, - pci_base_offset(adapter, NETXEN_CAM_RAM_BASE)); - - - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - loops = 0; - state = 0; - do { - /* Window 1 call */ - state = adapter->pci_read_normalize(adapter, - CRB_RCVPEG_STATE); - msleep(1); - loops++; - } while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20); - if (loops >= 20) { - printk(KERN_ERR "Rcv Peg initialization not complete:" - "%x.\n", state); - err = -EIO; - return err; - } + err = netxen_receive_peg_ready(adapter); + if (err) { + printk(KERN_ERR "Rcv Peg initialization not complete:%x.\n", + state); + return err; } adapter->intr_scheme = adapter->pci_read_normalize(adapter, CRB_NIC_CAPABILITIES_FW); @@ -992,10 +969,12 @@ int netxen_load_firmware(struct netxen_adapter *adapter) { int i; u32 data, size = 0; - u32 flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE; + u32 flashaddr = NETXEN_BOOTLD_START, memaddr = NETXEN_BOOTLD_START; + + size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START)/4; - size = NETXEN_FIRMWARE_LEN; - adapter->pci_write_normalize(adapter, + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) + adapter->pci_write_normalize(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 1); for (i = 0; i < size; i++) { @@ -1007,12 +986,17 @@ int netxen_load_firmware(struct netxen_adapter *adapter) memaddr += 4; cond_resched(); } - udelay(100); - /* make sure Casper is powered on */ - adapter->pci_write_normalize(adapter, + msleep(1); + + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) + adapter->pci_write_normalize(adapter, + NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d); + else { + adapter->pci_write_normalize(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff); - adapter->pci_write_normalize(adapter, + adapter->pci_write_normalize(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 0); + } return 0; } @@ -2241,6 +2225,8 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter) adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MINOR, &fw_minor, 4); adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_SUB, &fw_build, 4); + adapter->fw_major = fw_major; + if (adapter->portnum == 0) { get_brd_name_by_type(board_info->board_type, brd_name); @@ -2262,16 +2248,5 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter) adapter->netdev->name); return; } - - switch (adapter->ahw.board_type) { - case NETXEN_NIC_GBE: - dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", - adapter->netdev->name); - break; - case NETXEN_NIC_XGBE: - dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", - adapter->netdev->name); - break; - } } diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 7323cd7b544a..c6e2bc71d8f3 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -130,7 +130,7 @@ int netxen_init_firmware(struct netxen_adapter *adapter) return 0; while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) { - udelay(100); + msleep(1); /* Window 1 call */ state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE); @@ -155,34 +155,165 @@ int netxen_init_firmware(struct netxen_adapter *adapter) return err; } -void netxen_initialize_adapter_sw(struct netxen_adapter *adapter) +void netxen_release_rx_buffers(struct netxen_adapter *adapter) { - int ctxid, ring; - u32 i; - u32 num_rx_bufs = 0; + struct netxen_recv_context *recv_ctx; struct netxen_rcv_desc_ctx *rcv_desc; + struct netxen_rx_buffer *rx_buf; + int i, ctxid, ring; - DPRINTK(INFO, "initializing some queues: %p\n", adapter); for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) { + recv_ctx = &adapter->recv_ctx[ctxid]; for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - struct netxen_rx_buffer *rx_buf; - rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring]; + rcv_desc = &recv_ctx->rcv_desc[ring]; + for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) { + rx_buf = &(rcv_desc->rx_buf_arr[i]); + if (rx_buf->state == NETXEN_BUFFER_FREE) + continue; + pci_unmap_single(adapter->pdev, + rx_buf->dma, + rcv_desc->dma_size, + PCI_DMA_FROMDEVICE); + if (rx_buf->skb != NULL) + dev_kfree_skb_any(rx_buf->skb); + } + } + } +} + +void netxen_release_tx_buffers(struct netxen_adapter *adapter) +{ + struct netxen_cmd_buffer *cmd_buf; + struct netxen_skb_frag *buffrag; + int i, j; + + cmd_buf = adapter->cmd_buf_arr; + for (i = 0; i < adapter->max_tx_desc_count; i++) { + buffrag = cmd_buf->frag_array; + if (buffrag->dma) { + pci_unmap_single(adapter->pdev, buffrag->dma, + buffrag->length, PCI_DMA_TODEVICE); + buffrag->dma = 0ULL; + } + for (j = 0; j < cmd_buf->frag_count; j++) { + buffrag++; + if (buffrag->dma) { + pci_unmap_page(adapter->pdev, buffrag->dma, + buffrag->length, + PCI_DMA_TODEVICE); + buffrag->dma = 0ULL; + } + } + /* Free the skb we received in netxen_nic_xmit_frame */ + if (cmd_buf->skb) { + dev_kfree_skb_any(cmd_buf->skb); + cmd_buf->skb = NULL; + } + cmd_buf++; + } +} + +void netxen_free_sw_resources(struct netxen_adapter *adapter) +{ + struct netxen_recv_context *recv_ctx; + struct netxen_rcv_desc_ctx *rcv_desc; + int ctx, ring; + + for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) { + recv_ctx = &adapter->recv_ctx[ctx]; + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + rcv_desc = &recv_ctx->rcv_desc[ring]; + if (rcv_desc->rx_buf_arr) { + vfree(rcv_desc->rx_buf_arr); + rcv_desc->rx_buf_arr = NULL; + } + } + } + if (adapter->cmd_buf_arr) + vfree(adapter->cmd_buf_arr); + return; +} + +int netxen_alloc_sw_resources(struct netxen_adapter *adapter) +{ + struct netxen_recv_context *recv_ctx; + struct netxen_rcv_desc_ctx *rcv_desc; + struct netxen_rx_buffer *rx_buf; + int ctx, ring, i, num_rx_bufs; + + struct netxen_cmd_buffer *cmd_buf_arr; + struct net_device *netdev = adapter->netdev; + + cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE); + if (cmd_buf_arr == NULL) { + printk(KERN_ERR "%s: Failed to allocate cmd buffer ring\n", + netdev->name); + return -ENOMEM; + } + memset(cmd_buf_arr, 0, TX_RINGSIZE); + adapter->cmd_buf_arr = cmd_buf_arr; + + for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) { + recv_ctx = &adapter->recv_ctx[ctx]; + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + rcv_desc = &recv_ctx->rcv_desc[ring]; + switch (RCV_DESC_TYPE(ring)) { + case RCV_DESC_NORMAL: + rcv_desc->max_rx_desc_count = + adapter->max_rx_desc_count; + rcv_desc->flags = RCV_DESC_NORMAL; + rcv_desc->dma_size = RX_DMA_MAP_LEN; + rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH; + break; + + case RCV_DESC_JUMBO: + rcv_desc->max_rx_desc_count = + adapter->max_jumbo_rx_desc_count; + rcv_desc->flags = RCV_DESC_JUMBO; + rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN; + rcv_desc->skb_size = + MAX_RX_JUMBO_BUFFER_LENGTH; + break; + + case RCV_RING_LRO: + rcv_desc->max_rx_desc_count = + adapter->max_lro_rx_desc_count; + rcv_desc->flags = RCV_DESC_LRO; + rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN; + rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH; + break; + + } + rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *) + vmalloc(RCV_BUFFSIZE); + if (rcv_desc->rx_buf_arr == NULL) { + printk(KERN_ERR "%s: Failed to allocate " + "rx buffer ring %d\n", + netdev->name, ring); + /* free whatever was already allocated */ + goto err_out; + } + memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE); rcv_desc->begin_alloc = 0; - rx_buf = rcv_desc->rx_buf_arr; - num_rx_bufs = rcv_desc->max_rx_desc_count; /* * Now go through all of them, set reference handles * and put them in the queues. */ + num_rx_bufs = rcv_desc->max_rx_desc_count; + rx_buf = rcv_desc->rx_buf_arr; for (i = 0; i < num_rx_bufs; i++) { rx_buf->ref_handle = i; rx_buf->state = NETXEN_BUFFER_FREE; - DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:" - "%p\n", ctxid, i, rx_buf); rx_buf++; } } } + + return 0; + +err_out: + netxen_free_sw_resources(adapter); + return -ENOMEM; } void netxen_initialize_adapter_ops(struct netxen_adapter *adapter) @@ -730,19 +861,18 @@ int netxen_flash_unlock(struct netxen_adapter *adapter) #define NETXEN_BOARDTYPE 0x4008 #define NETXEN_BOARDNUM 0x400c #define NETXEN_CHIPNUM 0x4010 -#define NETXEN_ROMBUS_RESET 0xFFFFFFFF int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) { int addr, val; - int n, i; - int init_delay = 0; + int i, init_delay = 0; struct crb_addr_pair *buf; + unsigned offset, n; u32 off; /* resetall */ netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET, - NETXEN_ROMBUS_RESET); + 0xffffffff); if (verbose) { if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0) @@ -759,108 +889,141 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) printk("Could not read chip number\n"); } - if (netxen_rom_fast_read(adapter, 0, &n) == 0 && (n & 0x80000000)) { - n &= ~0x80000000; - if (n < 0x400) { - if (verbose) - printk("%s: %d CRB init values found" - " in ROM.\n", netxen_nic_driver_name, n); - } else { - printk("%s:n=0x%x Error! NetXen card flash not" - " initialized.\n", __FUNCTION__, n); + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { + if (netxen_rom_fast_read(adapter, 0, &n) != 0 || + (n != 0xcafecafeUL) || + netxen_rom_fast_read(adapter, 4, &n) != 0) { + printk(KERN_ERR "%s: ERROR Reading crb_init area: " + "n: %08x\n", netxen_nic_driver_name, n); return -EIO; } - buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); - if (buf == NULL) { - printk("%s: netxen_pinit_from_rom: Unable to calloc " - "memory.\n", netxen_nic_driver_name); - return -ENOMEM; - } - for (i = 0; i < n; i++) { - if (netxen_rom_fast_read(adapter, 8 * i + 4, &val) != 0 - || netxen_rom_fast_read(adapter, 8 * i + 8, - &addr) != 0) - return -EIO; - - buf[i].addr = addr; - buf[i].data = val; - - if (verbose) - printk("%s: PCI: 0x%08x == 0x%08x\n", - netxen_nic_driver_name, (unsigned int) - netxen_decode_crb_addr(addr), val); + offset = n & 0xffffU; + n = (n >> 16) & 0xffffU; + } else { + if (netxen_rom_fast_read(adapter, 0, &n) != 0 || + !(n & 0x80000000)) { + printk(KERN_ERR "%s: ERROR Reading crb_init area: " + "n: %08x\n", netxen_nic_driver_name, n); + return -EIO; } - for (i = 0; i < n; i++) { + offset = 1; + n &= ~0x80000000; + } + + if (n < 1024) { + if (verbose) + printk(KERN_DEBUG "%s: %d CRB init values found" + " in ROM.\n", netxen_nic_driver_name, n); + } else { + printk(KERN_ERR "%s:n=0x%x Error! NetXen card flash not" + " initialized.\n", __func__, n); + return -EIO; + } + + buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); + if (buf == NULL) { + printk("%s: netxen_pinit_from_rom: Unable to calloc memory.\n", + netxen_nic_driver_name); + return -ENOMEM; + } + for (i = 0; i < n; i++) { + if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 || + netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) + return -EIO; + + buf[i].addr = addr; + buf[i].data = val; - off = netxen_decode_crb_addr(buf[i].addr); - if (off == NETXEN_ADDR_ERROR) { - printk(KERN_ERR"CRB init value out of range %x\n", + if (verbose) + printk(KERN_DEBUG "%s: PCI: 0x%08x == 0x%08x\n", + netxen_nic_driver_name, + (u32)netxen_decode_crb_addr(addr), val); + } + for (i = 0; i < n; i++) { + + off = netxen_decode_crb_addr(buf[i].addr); + if (off == NETXEN_ADDR_ERROR) { + printk(KERN_ERR"CRB init value out of range %x\n", buf[i].addr); + continue; + } + off += NETXEN_PCI_CRBSPACE; + /* skipping cold reboot MAGIC */ + if (off == NETXEN_CAM_RAM(0x1fc)) + continue; + + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { + /* do not reset PCI */ + if (off == (ROMUSB_GLB + 0xbc)) continue; - } - off += NETXEN_PCI_CRBSPACE; - /* skipping cold reboot MAGIC */ - if (off == NETXEN_CAM_RAM(0x1fc)) + if (off == (NETXEN_CRB_PEG_NET_1 + 0x18)) + buf[i].data = 0x1020; + /* skip the function enable register */ + if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION)) continue; + if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION2)) + continue; + if ((off & 0x0ff00000) == NETXEN_CRB_SMB) + continue; + } - /* After writing this register, HW needs time for CRB */ - /* to quiet down (else crb_window returns 0xffffffff) */ - if (off == NETXEN_ROMUSB_GLB_SW_RESET) { - init_delay = 1; + if (off == NETXEN_ADDR_ERROR) { + printk(KERN_ERR "%s: Err: Unknown addr: 0x%08x\n", + netxen_nic_driver_name, buf[i].addr); + continue; + } + + /* After writing this register, HW needs time for CRB */ + /* to quiet down (else crb_window returns 0xffffffff) */ + if (off == NETXEN_ROMUSB_GLB_SW_RESET) { + init_delay = 1; + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { /* hold xdma in reset also */ buf[i].data = NETXEN_NIC_XDMA_RESET; } + } - adapter->hw_write_wx(adapter, off, &buf[i].data, 4); + adapter->hw_write_wx(adapter, off, &buf[i].data, 4); - if (init_delay == 1) { - msleep(1000); - init_delay = 0; - } - msleep(1); + if (init_delay == 1) { + msleep(1000); + init_delay = 0; } - kfree(buf); + msleep(1); + } + kfree(buf); - /* disable_peg_cache_all */ + /* disable_peg_cache_all */ - /* unreset_net_cache */ - adapter->hw_read_wx(adapter, NETXEN_ROMUSB_GLB_SW_RESET, &val, - 4); - netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET, - (val & 0xffffff0f)); - /* p2dn replyCount */ + /* unreset_net_cache */ + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { + adapter->hw_read_wx(adapter, + NETXEN_ROMUSB_GLB_SW_RESET, &val, 4); netxen_crb_writelit_adapter(adapter, - NETXEN_CRB_PEG_NET_D + 0xec, 0x1e); - /* disable_peg_cache 0 */ - netxen_crb_writelit_adapter(adapter, - NETXEN_CRB_PEG_NET_D + 0x4c, 8); - /* disable_peg_cache 1 */ - netxen_crb_writelit_adapter(adapter, - NETXEN_CRB_PEG_NET_I + 0x4c, 8); - - /* peg_clr_all */ - - /* peg_clr 0 */ - netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8, - 0); - netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc, - 0); - /* peg_clr 1 */ - netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8, - 0); - netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc, - 0); - /* peg_clr 2 */ - netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8, - 0); - netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc, - 0); - /* peg_clr 3 */ - netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8, - 0); - netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc, - 0); + NETXEN_ROMUSB_GLB_SW_RESET, (val & 0xffffff0f)); } + + /* p2dn replyCount */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_D + 0xec, 0x1e); + /* disable_peg_cache 0 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_D + 0x4c, 8); + /* disable_peg_cache 1 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_I + 0x4c, 8); + + /* peg_clr_all */ + + /* peg_clr 0 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8, 0); + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc, 0); + /* peg_clr 1 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8, 0); + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc, 0); + /* peg_clr 2 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8, 0); + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc, 0); + /* peg_clr 3 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8, 0); + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc, 0); return 0; } @@ -876,7 +1039,7 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter) &adapter->dummy_dma.phys_addr); if (adapter->dummy_dma.addr == NULL) { printk("%s: ERROR: Could not allocate dummy DMA memory\n", - __FUNCTION__); + __func__); return -ENOMEM; } @@ -887,6 +1050,11 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter) adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI, hi); adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO, lo); + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { + uint32_t temp = 0; + adapter->hw_write_wx(adapter, CRB_HOST_DUMMY_BUF, &temp, 4); + } + return 0; } @@ -920,22 +1088,24 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter) int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val) { u32 val = 0; - int retries = 30; + int retries = 60; if (!pegtune_val) { do { val = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE); - pegtune_val = adapter->pci_read_normalize(adapter, - NETXEN_ROMUSB_GLB_PEGTUNE_DONE); if (val == PHAN_INITIALIZE_COMPLETE || val == PHAN_INITIALIZE_ACK) return 0; - msleep(1000); + msleep(500); + } while (--retries); + if (!retries) { + pegtune_val = adapter->pci_read_normalize(adapter, + NETXEN_ROMUSB_GLB_PEGTUNE_DONE); printk(KERN_WARNING "netxen_phantom_init: init failed, " "pegtune_val=%x\n", pegtune_val); return -1; @@ -945,6 +1115,30 @@ int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val) return 0; } +int netxen_receive_peg_ready(struct netxen_adapter *adapter) +{ + u32 val = 0; + int retries = 2000; + + do { + val = adapter->pci_read_normalize(adapter, CRB_RCVPEG_STATE); + + if (val == PHAN_PEG_RCV_INITIALIZED) + return 0; + + msleep(10); + + } while (--retries); + + if (!retries) { + printk(KERN_ERR "Receive Peg initialization not " + "complete, state: 0x%x.\n", val); + return -EIO; + } + + return 0; +} + static int netxen_nic_check_temp(struct netxen_adapter *adapter) { struct net_device *netdev = adapter->netdev; diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 72d9f48b80dc..4d32f3cc2fbd 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -49,13 +49,22 @@ char netxen_nic_driver_name[] = "netxen_nic"; static char netxen_nic_driver_string[] = "NetXen Network Driver version " NETXEN_NIC_LINUX_VERSIONID; +static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; + +/* Default to restricted 1G auto-neg mode */ +static int wol_port_mode = 5; + +static int use_msi = 1; + +static int use_msi_x = 1; + #define NETXEN_NETDEV_WEIGHT 120 #define NETXEN_ADAPTER_UP_MAGIC 777 #define NETXEN_NIC_PEG_TUNE 0 /* Local functions to NetXen NIC driver */ static int __devinit netxen_nic_probe(struct pci_dev *pdev, - const struct pci_device_id *ent); + const struct pci_device_id *ent); static void __devexit netxen_nic_remove(struct pci_dev *pdev); static int netxen_nic_open(struct net_device *netdev); static int netxen_nic_close(struct net_device *netdev); @@ -135,9 +144,11 @@ netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, adapter->crb_addr_cmd_consumer, crb_consumer); } -static uint32_t msi_tgt_status[4] = { +static uint32_t msi_tgt_status[8] = { ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, - ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3 + ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, + ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, + ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 }; static uint32_t sw_int_mask[4] = { @@ -145,6 +156,8 @@ static uint32_t sw_int_mask[4] = { CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3 }; +static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; + static void netxen_nic_disable_int(struct netxen_adapter *adapter) { u32 mask = 0x7ff; @@ -159,7 +172,7 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter) adapter->intr_scheme != INTR_SCHEME_PERPORT) adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask); - if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + if (!NETXEN_IS_MSI_FAMILY(adapter)) { do { adapter->pci_write_immediate(adapter, ISR_INT_TARGET_STATUS, 0xffffffff); @@ -208,7 +221,7 @@ static void netxen_nic_enable_int(struct netxen_adapter *adapter) adapter->pci_write_normalize(adapter, sw_int_mask[port], 0x1); - if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + if (!NETXEN_IS_MSI_FAMILY(adapter)) { mask = 0xbff; if (adapter->intr_scheme != -1 && adapter->intr_scheme != INTR_SCHEME_PERPORT) { @@ -222,6 +235,280 @@ static void netxen_nic_enable_int(struct netxen_adapter *adapter) DPRINTK(1, INFO, "Done with enable Int\n"); } +static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id) +{ + struct pci_dev *pdev = adapter->pdev; + int err; + uint64_t mask; + +#ifdef CONFIG_IA64 + adapter->dma_mask = DMA_32BIT_MASK; +#else + if (revision_id >= NX_P3_B0) { + /* should go to DMA_64BIT_MASK */ + adapter->dma_mask = DMA_39BIT_MASK; + mask = DMA_39BIT_MASK; + } else if (revision_id == NX_P3_A2) { + adapter->dma_mask = DMA_39BIT_MASK; + mask = DMA_39BIT_MASK; + } else if (revision_id == NX_P2_C1) { + adapter->dma_mask = DMA_35BIT_MASK; + mask = DMA_35BIT_MASK; + } else { + adapter->dma_mask = DMA_32BIT_MASK; + mask = DMA_32BIT_MASK; + goto set_32_bit_mask; + } + + /* + * Consistent DMA mask is set to 32 bit because it cannot be set to + * 35 bits. For P3 also leave it at 32 bits for now. Only the rings + * come off this pool. + */ + if (pci_set_dma_mask(pdev, mask) == 0 && + pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) == 0) { + adapter->pci_using_dac = 1; + return 0; + } +#endif /* CONFIG_IA64 */ + +set_32_bit_mask: + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (!err) + err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + DPRINTK(ERR, "No usable DMA configuration, aborting:%d\n", err); + return err; + } + + adapter->pci_using_dac = 0; + return 0; +} + +static void netxen_check_options(struct netxen_adapter *adapter) +{ + switch (adapter->ahw.boardcfg.board_type) { + case NETXEN_BRDTYPE_P3_HMEZ: + case NETXEN_BRDTYPE_P3_XG_LOM: + case NETXEN_BRDTYPE_P3_10G_CX4: + case NETXEN_BRDTYPE_P3_10G_CX4_LP: + case NETXEN_BRDTYPE_P3_IMEZ: + case NETXEN_BRDTYPE_P3_10G_SFP_PLUS: + case NETXEN_BRDTYPE_P3_10G_XFP: + case NETXEN_BRDTYPE_P3_10000_BASE_T: + adapter->msix_supported = !!use_msi_x; + adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G; + break; + + case NETXEN_BRDTYPE_P2_SB31_10G: + case NETXEN_BRDTYPE_P2_SB31_10G_CX4: + case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: + case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: + adapter->msix_supported = 0; + adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G; + break; + + case NETXEN_BRDTYPE_P3_REF_QG: + case NETXEN_BRDTYPE_P3_4_GB: + case NETXEN_BRDTYPE_P3_4_GB_MM: + case NETXEN_BRDTYPE_P2_SB35_4G: + case NETXEN_BRDTYPE_P2_SB31_2G: + adapter->msix_supported = 0; + adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G; + break; + + default: + adapter->msix_supported = 0; + adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G; + + printk(KERN_WARNING "Unknown board type(0x%x)\n", + adapter->ahw.boardcfg.board_type); + break; + } + + adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST; + adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS; + adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS; + + adapter->max_possible_rss_rings = 1; + return; +} + +static int +netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) +{ + int ret = 0; + + if (first_boot == 0x55555555) { + /* This is the first boot after power up */ + + /* PCI bus master workaround */ + adapter->hw_read_wx(adapter, + NETXEN_PCIE_REG(0x4), &first_boot, 4); + if (!(first_boot & 0x4)) { + first_boot |= 0x4; + adapter->hw_write_wx(adapter, + NETXEN_PCIE_REG(0x4), &first_boot, 4); + adapter->hw_read_wx(adapter, + NETXEN_PCIE_REG(0x4), &first_boot, 4); + } + + /* This is the first boot after power up */ + adapter->hw_read_wx(adapter, + NETXEN_ROMUSB_GLB_SW_RESET, &first_boot, 4); + if (first_boot != 0x80000f) { + /* clear the register for future unloads/loads */ + adapter->pci_write_normalize(adapter, + NETXEN_CAM_RAM(0x1fc), 0); + ret = -1; + } + + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { + /* Start P2 boot loader */ + adapter->pci_write_normalize(adapter, + NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); + adapter->pci_write_normalize(adapter, + NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1); + } + } + return ret; +} + +static void netxen_set_port_mode(struct netxen_adapter *adapter) +{ + u32 val, data; + + val = adapter->ahw.boardcfg.board_type; + if ((val == NETXEN_BRDTYPE_P3_HMEZ) || + (val == NETXEN_BRDTYPE_P3_XG_LOM)) { + if (port_mode == NETXEN_PORT_MODE_802_3_AP) { + data = NETXEN_PORT_MODE_802_3_AP; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } else if (port_mode == NETXEN_PORT_MODE_XG) { + data = NETXEN_PORT_MODE_XG; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { + data = NETXEN_PORT_MODE_AUTO_NEG_1G; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { + data = NETXEN_PORT_MODE_AUTO_NEG_XG; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } else { + data = NETXEN_PORT_MODE_AUTO_NEG; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } + + if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && + (wol_port_mode != NETXEN_PORT_MODE_XG) && + (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && + (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { + wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; + } + adapter->hw_write_wx(adapter, NETXEN_WOL_PORT_MODE, + &wol_port_mode, 4); + } +} + +#define PCI_CAP_ID_GEN 0x10 + +static void netxen_pcie_strap_init(struct netxen_adapter *adapter) +{ + u32 pdevfuncsave; + u32 c8c9value = 0; + u32 chicken = 0; + u32 control = 0; + int i, pos; + struct pci_dev *pdev; + + pdev = pci_get_device(0x1166, 0x0140, NULL); + if (pdev) { + pci_dev_put(pdev); + adapter->hw_read_wx(adapter, + NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4); + chicken |= 0x4000; + adapter->hw_write_wx(adapter, + NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4); + } + + pdev = adapter->pdev; + + adapter->hw_read_wx(adapter, + NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4); + /* clear chicken3.25:24 */ + chicken &= 0xFCFFFFFF; + /* + * if gen1 and B0, set F1020 - if gen 2, do nothing + * if gen2 set to F1000 + */ + pos = pci_find_capability(pdev, PCI_CAP_ID_GEN); + if (pos == 0xC0) { + pci_read_config_dword(pdev, pos + 0x10, &control); + if ((control & 0x000F0000) != 0x00020000) { + /* set chicken3.24 if gen1 */ + chicken |= 0x01000000; + } + printk(KERN_INFO "%s Gen2 strapping detected\n", + netxen_nic_driver_name); + c8c9value = 0xF1000; + } else { + /* set chicken3.24 if gen1 */ + chicken |= 0x01000000; + printk(KERN_INFO "%s Gen1 strapping detected\n", + netxen_nic_driver_name); + if (adapter->ahw.revision_id == NX_P3_B0) + c8c9value = 0xF1020; + else + c8c9value = 0; + + } + adapter->hw_write_wx(adapter, + NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4); + + if (!c8c9value) + return; + + pdevfuncsave = pdev->devfn; + if (pdevfuncsave & 0x07) + return; + + for (i = 0; i < 8; i++) { + pci_read_config_dword(pdev, pos + 8, &control); + pci_read_config_dword(pdev, pos + 8, &control); + pci_write_config_dword(pdev, pos + 8, c8c9value); + pdev->devfn++; + } + pdev->devfn = pdevfuncsave; +} + +static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) +{ + u32 control; + int pos; + + pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); + if (pos) { + pci_read_config_dword(pdev, pos, &control); + if (enable) + control |= PCI_MSIX_FLAGS_ENABLE; + else + control = 0; + pci_write_config_dword(pdev, pos, control); + } +} + +static void netxen_init_msix_entries(struct netxen_adapter *adapter) +{ + int i; + + for (i = 0; i < MSIX_ENTRIES_PER_ADAPTER; i++) + adapter->msix_entries[i].entry = i; +} + /* * netxen_nic_probe() * @@ -247,28 +534,28 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) u8 __iomem *db_ptr = NULL; - unsigned long mem_base, mem_len, db_base, db_len, pci_len0; - int pci_using_dac, i = 0, err; - int ring; - struct netxen_recv_context *recv_ctx = NULL; - struct netxen_rcv_desc_ctx *rcv_desc = NULL; - struct netxen_cmd_buffer *cmd_buf_arr = NULL; + unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0; + int i = 0, err; + int first_driver, first_boot; __le64 mac_addr[FLASH_NUM_PORTS + 1]; - int valid_mac = 0; u32 val; int pci_func_id = PCI_FUNC(pdev->devfn); DECLARE_MAC_BUF(mac); + struct netxen_legacy_intr_set *legacy_intrp; + uint8_t revision_id; if (pci_func_id == 0) - printk(KERN_INFO "%s \n", netxen_nic_driver_string); + printk(KERN_INFO "%s\n", netxen_nic_driver_string); if (pdev->class != 0x020000) { printk(KERN_DEBUG "NetXen function %d, class %x will not " "be enabled.\n",pci_func_id, pdev->class); return -ENODEV; } + if ((err = pci_enable_device(pdev))) return err; + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { err = -ENODEV; goto err_out_disable_pdev; @@ -278,18 +565,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_disable_pdev; pci_set_master(pdev); - if (pdev->revision == NX_P2_C1 && - (pci_set_dma_mask(pdev, DMA_35BIT_MASK) == 0) && - (pci_set_consistent_dma_mask(pdev, DMA_35BIT_MASK) == 0)) { - pci_using_dac = 1; - } else { - if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) || - (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) - goto err_out_free_res; - - pci_using_dac = 0; - } - netdev = alloc_etherdev(sizeof(struct netxen_adapter)); if(!netdev) { @@ -302,8 +577,17 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) SET_NETDEV_DEV(netdev, &pdev->dev); adapter = netdev->priv; - + adapter->netdev = netdev; + adapter->pdev = pdev; adapter->ahw.pci_func = pci_func_id; + + revision_id = pdev->revision; + adapter->ahw.revision_id = revision_id; + + err = nx_set_dma_mask(adapter, revision_id); + if (err) + goto err_out_free_netdev; + rwlock_init(&adapter->adapter_lock); adapter->ahw.qdr_sn_window = -1; adapter->ahw.ddr_mn_window = -1; @@ -379,7 +663,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (db_len == 0) { printk(KERN_ERR "%s: doorbell is disabled\n", - netxen_nic_driver_name); + netxen_nic_driver_name); err = -EIO; goto err_out_iounmap; } @@ -389,7 +673,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); if (!db_ptr) { printk(KERN_ERR "%s: Failed to allocate doorbell map.", - netxen_nic_driver_name); + netxen_nic_driver_name); err = -EIO; goto err_out_iounmap; } @@ -404,11 +688,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->ahw.db_base = db_ptr; adapter->ahw.db_len = db_len; - adapter->netdev = netdev; - adapter->pdev = pdev; - netif_napi_add(netdev, &adapter->napi, - netxen_nic_poll, NETXEN_NETDEV_WEIGHT); + netxen_nic_poll, NETXEN_NETDEV_WEIGHT); + + if (revision_id >= NX_P3_B0) + legacy_intrp = &legacy_intr[pci_func_id]; + else + legacy_intrp = &legacy_intr[0]; + + adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit; + adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg; + adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg; + adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_reg; /* this will be read from FW later */ adapter->intr_scheme = -1; @@ -418,8 +709,11 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->portnum = pci_func_id; adapter->status &= ~NETXEN_NETDEV_STATUS; adapter->rx_csum = 1; - adapter->max_mc_count = 16; adapter->mc_enabled = 0; + if (NX_IS_REVISION_P3(revision_id)) + adapter->max_mc_count = 38; + else + adapter->max_mc_count = 16; netdev->open = netxen_nic_open; netdev->stop = netxen_nic_close; @@ -441,18 +735,12 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->features = NETIF_F_SG; netdev->features |= NETIF_F_IP_CSUM; netdev->features |= NETIF_F_TSO; + if (NX_IS_REVISION_P3(revision_id)) + netdev->features |= NETIF_F_TSO6; - if (pci_using_dac) + if (adapter->pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; - if (pci_enable_msi(pdev)) - adapter->flags &= ~NETXEN_NIC_MSI_ENABLED; - else - adapter->flags |= NETXEN_NIC_MSI_ENABLED; - - netdev->irq = pdev->irq; - INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); - /* * Set the CRB window to invalid. If any register in window 0 is * accessed it should set the window to 0 and then reset it to 1. @@ -461,87 +749,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (netxen_nic_get_board_info(adapter) != 0) { printk("%s: Error getting board config info.\n", - netxen_nic_driver_name); + netxen_nic_driver_name); err = -EIO; goto err_out_iounmap; } - /* - * Adapter in our case is quad port so initialize it before - * initializing the ports - */ - netxen_initialize_adapter_ops(adapter); - adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST; - if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB35_4G) || - (adapter->ahw.boardcfg.board_type == - NETXEN_BRDTYPE_P2_SB31_2G)) - adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G; - else - adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS; - adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS; - adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS; - - cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE); - if (cmd_buf_arr == NULL) { - printk(KERN_ERR - "%s: Could not allocate cmd_buf_arr memory:%d\n", - netxen_nic_driver_name, (int)TX_RINGSIZE); - err = -ENOMEM; - goto err_out_free_adapter; - } - memset(cmd_buf_arr, 0, TX_RINGSIZE); - adapter->cmd_buf_arr = cmd_buf_arr; - - for (i = 0; i < MAX_RCV_CTX; ++i) { - recv_ctx = &adapter->recv_ctx[i]; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - switch (RCV_DESC_TYPE(ring)) { - case RCV_DESC_NORMAL: - rcv_desc->max_rx_desc_count = - adapter->max_rx_desc_count; - rcv_desc->flags = RCV_DESC_NORMAL; - rcv_desc->dma_size = RX_DMA_MAP_LEN; - rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH; - break; - - case RCV_DESC_JUMBO: - rcv_desc->max_rx_desc_count = - adapter->max_jumbo_rx_desc_count; - rcv_desc->flags = RCV_DESC_JUMBO; - rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN; - rcv_desc->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH; - break; - - case RCV_RING_LRO: - rcv_desc->max_rx_desc_count = - adapter->max_lro_rx_desc_count; - rcv_desc->flags = RCV_DESC_LRO; - rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN; - rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH; - break; - - } - rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *) - vmalloc(RCV_BUFFSIZE); - - if (rcv_desc->rx_buf_arr == NULL) { - printk(KERN_ERR "%s: Could not allocate " - "rcv_desc->rx_buf_arr memory:%d\n", - netxen_nic_driver_name, - (int)RCV_BUFFSIZE); - err = -ENOMEM; - goto err_out_free_rx_buffer; - } - memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE); - } - - } - - netxen_initialize_adapter_sw(adapter); /* initialize the buffers in adapter */ - /* Mezz cards have PCI function 0,2,3 enabled */ switch (adapter->ahw.boardcfg.board_type) { case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: @@ -553,81 +767,51 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) break; } - init_timer(&adapter->watchdog_timer); - adapter->ahw.xg_linkup = 0; - adapter->watchdog_timer.function = &netxen_watchdog; - adapter->watchdog_timer.data = (unsigned long)adapter; - INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task); - adapter->ahw.revision_id = pdev->revision; + /* + * This call will setup various max rx/tx counts. + * It must be done before any buffer/ring allocations. + */ + netxen_check_options(adapter); + first_driver = 0; + if (NX_IS_REVISION_P3(revision_id)) { + if (adapter->ahw.pci_func == 0) + first_driver = 1; + } else { + if (adapter->portnum == 0) + first_driver = 1; + } adapter->crb_addr_cmd_producer = crb_cmd_producer[adapter->portnum]; adapter->crb_addr_cmd_consumer = crb_cmd_consumer[adapter->portnum]; netxen_nic_update_cmd_producer(adapter, 0); netxen_nic_update_cmd_consumer(adapter, 0); - if (netxen_is_flash_supported(adapter) == 0 && - netxen_get_flash_mac_addr(adapter, mac_addr) == 0) - valid_mac = 1; - else - valid_mac = 0; - - if (valid_mac) { - unsigned char *p = (unsigned char *)&mac_addr[adapter->portnum]; - netdev->dev_addr[0] = *(p + 5); - netdev->dev_addr[1] = *(p + 4); - netdev->dev_addr[2] = *(p + 3); - netdev->dev_addr[3] = *(p + 2); - netdev->dev_addr[4] = *(p + 1); - netdev->dev_addr[5] = *(p + 0); + if (first_driver) { + first_boot = adapter->pci_read_normalize(adapter, + NETXEN_CAM_RAM(0x1fc)); - memcpy(netdev->perm_addr, netdev->dev_addr, - netdev->addr_len); - if (!is_valid_ether_addr(netdev->perm_addr)) { - printk(KERN_ERR "%s: Bad MAC address %s.\n", - netxen_nic_driver_name, - print_mac(mac, netdev->dev_addr)); - } else { - if (adapter->macaddr_set) - adapter->macaddr_set(adapter, - netdev->dev_addr); + err = netxen_check_hw_init(adapter, first_boot); + if (err) { + printk(KERN_ERR "%s: error in init HW init sequence\n", + netxen_nic_driver_name); + goto err_out_iounmap; } - } - if (adapter->portnum == 0) { - err = netxen_initialize_adapter_offload(adapter); - if (err) - goto err_out_free_rx_buffer; - val = adapter->pci_read_normalize(adapter, - NETXEN_CAM_RAM(0x1fc)); - if (val == 0x55555555) { - /* This is the first boot after power up */ - netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val); - if (!(val & 0x4)) { - val |= 0x4; - netxen_nic_write_w0(adapter, NETXEN_PCIE_REG(0x4), val); - netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val); - if (!(val & 0x4)) - printk(KERN_ERR "%s: failed to set MSI bit in PCI-e reg\n", - netxen_nic_driver_name); - } - val = adapter->pci_read_normalize(adapter, - NETXEN_ROMUSB_GLB_SW_RESET); - printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val); - if (val != 0x80000f) { - /* clear the register for future unloads/loads */ - adapter->pci_write_normalize(adapter, - NETXEN_CAM_RAM(0x1fc), 0); - printk(KERN_ERR "ERROR in NetXen HW init sequence.\n"); - err = -ENODEV; - goto err_out_free_dev; - } - } else { + if (NX_IS_REVISION_P3(revision_id)) + netxen_set_port_mode(adapter); + + if (first_boot != 0x55555555) { adapter->pci_write_normalize(adapter, CRB_CMDPEG_STATE, 0); netxen_pinit_from_rom(adapter, 0); msleep(1); netxen_load_firmware(adapter); - netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); + } + + if (NX_IS_REVISION_P3(revision_id)) + netxen_pcie_strap_init(adapter); + + if (NX_IS_REVISION_P2(revision_id)) { /* Initialize multicast addr pool owners */ val = 0x7654; @@ -638,10 +822,16 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } - /* clear the register for future unloads/loads */ - adapter->pci_write_normalize(adapter, NETXEN_CAM_RAM(0x1fc), 0); - dev_info(&pdev->dev, "cmdpeg state: 0x%0x\n", - adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE)); + if ((first_boot == 0x55555555) && + (NX_IS_REVISION_P2(revision_id))) { + /* Unlock the HW, prompting the boot sequence */ + adapter->pci_write_normalize(adapter, + NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1); + } + + err = netxen_initialize_adapter_offload(adapter); + if (err) + goto err_out_iounmap; /* * Tell the hardware our version number. @@ -651,12 +841,19 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | (_NETXEN_NIC_LINUX_SUBVERSION); adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i); - /* Unlock the HW, prompting the boot sequence */ - adapter->pci_write_normalize(adapter, - NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1); /* Handshake with the card before we register the devices. */ netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); - } + + if (NX_IS_REVISION_P3(revision_id)) { + adapter->hw_read_wx(adapter, + NETXEN_MIU_MN_CONTROL, &val, 4); + adapter->ahw.cut_through = (val & 0x4) ? 1 : 0; + dev_info(&pdev->dev, "firmware running in %s mode\n", + adapter->ahw.cut_through ? "cut through" : "legacy"); + } + } /* first_driver */ + + netxen_nic_flash_print(adapter); /* * See if the firmware gave us a virtual-physical port mapping. @@ -666,6 +863,76 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (i != 0x55555555) adapter->physical_port = i; + adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); + + netxen_set_msix_bit(pdev, 0); + + if (NX_IS_REVISION_P3(revision_id)) { + if ((mem_len != NETXEN_PCI_128MB_SIZE) && + mem_len != NETXEN_PCI_2MB_SIZE) + adapter->msix_supported = 0; + } + + if (adapter->msix_supported) { + + netxen_init_msix_entries(adapter); + + if (pci_enable_msix(pdev, adapter->msix_entries, + MSIX_ENTRIES_PER_ADAPTER)) + goto request_msi; + + adapter->flags |= NETXEN_NIC_MSIX_ENABLED; + netxen_set_msix_bit(pdev, 1); + dev_info(&pdev->dev, "using msi-x interrupts\n"); + + } else { +request_msi: + if (use_msi && !pci_enable_msi(pdev)) { + adapter->flags |= NETXEN_NIC_MSI_ENABLED; + dev_info(&pdev->dev, "using msi interrupts\n"); + } else + dev_info(&pdev->dev, "using legacy interrupts\n"); + } + + if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) + netdev->irq = adapter->msix_entries[0].vector; + else + netdev->irq = pdev->irq; + + err = netxen_receive_peg_ready(adapter); + if (err) + goto err_out_disable_msi; + + init_timer(&adapter->watchdog_timer); + adapter->ahw.xg_linkup = 0; + adapter->watchdog_timer.function = &netxen_watchdog; + adapter->watchdog_timer.data = (unsigned long)adapter; + INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task); + INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); + + if (netxen_is_flash_supported(adapter) == 0 && + netxen_get_flash_mac_addr(adapter, mac_addr) == 0) { + unsigned char *p; + + p = (unsigned char *)&mac_addr[adapter->portnum]; + netdev->dev_addr[0] = *(p + 5); + netdev->dev_addr[1] = *(p + 4); + netdev->dev_addr[2] = *(p + 3); + netdev->dev_addr[3] = *(p + 2); + netdev->dev_addr[4] = *(p + 1); + netdev->dev_addr[5] = *(p + 0); + + memcpy(netdev->perm_addr, netdev->dev_addr, + netdev->addr_len); + if (!is_valid_ether_addr(netdev->perm_addr)) { + printk(KERN_ERR "%s: Bad MAC address %s.\n", + netxen_nic_driver_name, + print_mac(mac, netdev->dev_addr)); + } else { + adapter->macaddr_set(adapter, netdev->dev_addr); + } + } + netif_carrier_off(netdev); netif_stop_queue(netdev); @@ -674,41 +941,37 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) " aborting\n", netxen_nic_driver_name, adapter->portnum); err = -EIO; - goto err_out_free_dev; + goto err_out_disable_msi; } - netxen_nic_flash_print(adapter); pci_set_drvdata(pdev, adapter); - return 0; - -err_out_free_dev: - if (adapter->portnum == 0) - netxen_free_adapter_offload(adapter); - -err_out_free_rx_buffer: - for (i = 0; i < MAX_RCV_CTX; ++i) { - recv_ctx = &adapter->recv_ctx[i]; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - if (rcv_desc->rx_buf_arr != NULL) { - vfree(rcv_desc->rx_buf_arr); - rcv_desc->rx_buf_arr = NULL; - } - } + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", + adapter->netdev->name); + break; + case NETXEN_NIC_XGBE: + dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", + adapter->netdev->name); + break; } - vfree(cmd_buf_arr); -err_out_free_adapter: + return 0; + +err_out_disable_msi: + if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) + pci_disable_msix(pdev); if (adapter->flags & NETXEN_NIC_MSI_ENABLED) pci_disable_msi(pdev); - pci_set_drvdata(pdev, NULL); + if (first_driver) + netxen_free_adapter_offload(adapter); +err_out_iounmap: if (db_ptr) iounmap(db_ptr); -err_out_iounmap: if (mem_ptr0) iounmap(mem_ptr0); if (mem_ptr1) @@ -723,6 +986,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_release_regions(pdev); err_out_disable_pdev: + pci_set_drvdata(pdev, NULL); pci_disable_device(pdev); return err; } @@ -731,11 +995,6 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) { struct netxen_adapter *adapter; struct net_device *netdev; - struct netxen_rx_buffer *buffer; - struct netxen_recv_context *recv_ctx; - struct netxen_rcv_desc_ctx *rcv_desc; - int i, ctxid, ring; - static int init_firmware_done = 0; adapter = pci_get_drvdata(pdev); if (adapter == NULL) @@ -746,36 +1005,18 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) unregister_netdev(netdev); if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { - init_firmware_done++; netxen_free_hw_resources(adapter); + netxen_free_sw_resources(adapter); } - for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) { - recv_ctx = &adapter->recv_ctx[ctxid]; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) { - buffer = &(rcv_desc->rx_buf_arr[i]); - if (buffer->state == NETXEN_BUFFER_FREE) - continue; - pci_unmap_single(pdev, buffer->dma, - rcv_desc->dma_size, - PCI_DMA_FROMDEVICE); - if (buffer->skb != NULL) - dev_kfree_skb_any(buffer->skb); - } - vfree(rcv_desc->rx_buf_arr); - } - } - - vfree(adapter->cmd_buf_arr); - if (adapter->portnum == 0) netxen_free_adapter_offload(adapter); if (adapter->irq) free_irq(adapter->irq, adapter); + if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) + pci_disable_msix(pdev); if (adapter->flags & NETXEN_NIC_MSI_ENABLED) pci_disable_msi(pdev); @@ -813,52 +1054,67 @@ static int netxen_nic_open(struct net_device *netdev) return -EIO; } - /* setup all the resources for the Phantom... */ - /* this include the descriptors for rcv, tx, and status */ - netxen_nic_clear_stats(adapter); - err = netxen_nic_hw_resources(adapter); + err = netxen_alloc_sw_resources(adapter); if (err) { - printk(KERN_ERR "Error in setting hw resources:%d\n", - err); + printk(KERN_ERR "%s: Error in setting sw resources\n", + netdev->name); return err; } + + netxen_nic_clear_stats(adapter); + + err = netxen_alloc_hw_resources(adapter); + if (err) { + printk(KERN_ERR "%s: Error in setting hw resources\n", + netdev->name); + goto err_out_free_sw; + } + + if (adapter->fw_major < 4) { + adapter->crb_addr_cmd_producer = + crb_cmd_producer[adapter->portnum]; + adapter->crb_addr_cmd_consumer = + crb_cmd_consumer[adapter->portnum]; + } + + netxen_nic_update_cmd_producer(adapter, 0); + netxen_nic_update_cmd_consumer(adapter, 0); + for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) netxen_post_rx_buffers(adapter, ctx, ring); } - adapter->irq = adapter->pdev->irq; - if (adapter->flags & NETXEN_NIC_MSI_ENABLED) + if (NETXEN_IS_MSI_FAMILY(adapter)) handler = netxen_msi_intr; else { flags |= IRQF_SHARED; handler = netxen_intr; } + adapter->irq = netdev->irq; err = request_irq(adapter->irq, handler, flags, netdev->name, adapter); if (err) { printk(KERN_ERR "request_irq failed with: %d\n", err); - netxen_free_hw_resources(adapter); - return err; + goto err_out_free_hw; } adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; } + /* Done here again so that even if phantom sw overwrote it, * we set it */ - if (adapter->init_port - && adapter->init_port(adapter, adapter->portnum) != 0) { + err = adapter->init_port(adapter, adapter->portnum); + if (err) { printk(KERN_ERR "%s: Failed to initialize port %d\n", netxen_nic_driver_name, adapter->portnum); - return -EIO; + goto err_out_free_irq; } - if (adapter->macaddr_set) - adapter->macaddr_set(adapter, netdev->dev_addr); + adapter->macaddr_set(adapter, netdev->dev_addr); netxen_nic_set_link_parameters(adapter); netxen_nic_set_multi(netdev); - if (adapter->set_mtu) - adapter->set_mtu(adapter, netdev->mtu); + adapter->set_mtu(adapter, netdev->mtu); mod_timer(&adapter->watchdog_timer, jiffies); @@ -868,6 +1124,14 @@ static int netxen_nic_open(struct net_device *netdev) netif_start_queue(netdev); return 0; + +err_out_free_irq: + free_irq(adapter->irq, adapter); +err_out_free_hw: + netxen_free_hw_resources(adapter); +err_out_free_sw: + netxen_free_sw_resources(adapter); + return err; } /* @@ -876,9 +1140,6 @@ static int netxen_nic_open(struct net_device *netdev) static int netxen_nic_close(struct net_device *netdev) { struct netxen_adapter *adapter = netdev_priv(netdev); - int i, j; - struct netxen_cmd_buffer *cmd_buff; - struct netxen_skb_frag *buffrag; netif_carrier_off(netdev); netif_stop_queue(netdev); @@ -889,30 +1150,8 @@ static int netxen_nic_close(struct net_device *netdev) netxen_nic_disable_int(adapter); - cmd_buff = adapter->cmd_buf_arr; - for (i = 0; i < adapter->max_tx_desc_count; i++) { - buffrag = cmd_buff->frag_array; - if (buffrag->dma) { - pci_unmap_single(adapter->pdev, buffrag->dma, - buffrag->length, PCI_DMA_TODEVICE); - buffrag->dma = 0ULL; - } - for (j = 0; j < cmd_buff->frag_count; j++) { - buffrag++; - if (buffrag->dma) { - pci_unmap_page(adapter->pdev, buffrag->dma, - buffrag->length, - PCI_DMA_TODEVICE); - buffrag->dma = 0ULL; - } - } - /* Free the skb we received in netxen_nic_xmit_frame */ - if (cmd_buff->skb) { - dev_kfree_skb_any(cmd_buff->skb); - cmd_buff->skb = NULL; - } - cmd_buff++; - } + netxen_release_tx_buffers(adapter); + if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { FLUSH_SCHEDULED_WORK(); del_timer_sync(&adapter->watchdog_timer); -- GitLab