From 7830b22cbc5f5e804469b74a3fe0d3a8ed88ca31 Mon Sep 17 00:00:00 2001 From: Dhananjay Phadke Date: Mon, 21 Jul 2008 19:44:00 -0700 Subject: [PATCH] netxen: cleanup unused variables/functions o Reduce access to global arrays in data path. o Remove duplicate/unused variables, unecessary alignment constraints. o Use correct pci_dev instead of fallback device for consistent allocations. o Disable ethtool set_eeprom functionality for now, it was only used for flashing firmware. Signed-off-by: Dhananjay Phadke Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic.h | 19 +- drivers/net/netxen/netxen_nic_ethtool.c | 5 +- drivers/net/netxen/netxen_nic_hw.c | 270 ++++++----------------- drivers/net/netxen/netxen_nic_init.c | 88 ++------ drivers/net/netxen/netxen_nic_main.c | 74 ++----- drivers/net/netxen/netxen_nic_phan_reg.h | 17 +- 6 files changed, 113 insertions(+), 360 deletions(-) diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index da4c4fb9706..149bb60b0c4 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -132,7 +132,6 @@ #define RX_JUMBO_DMA_MAP_LEN \ (MAX_RX_JUMBO_BUFFER_LENGTH - 2) #define RX_LRO_DMA_MAP_LEN (MAX_RX_LRO_BUFFER_LENGTH - 2) -#define NETXEN_ROM_ROUNDUP 0x80000000ULL /* * Maximum number of ring contexts @@ -219,8 +218,6 @@ enum { #define MPORT_MULTI_FUNCTION_MODE 0x2222 #include "netxen_nic_phan_reg.h" -extern unsigned long long netxen_dma_mask; -extern unsigned long last_schedule_time; /* * NetXen host-peg signal message structure @@ -765,7 +762,6 @@ struct netxen_rx_buffer { * contains interrupt info as well shared hardware info. */ struct netxen_hardware_context { - struct pci_dev *pdev; void __iomem *pci_base0; void __iomem *pci_base1; void __iomem *pci_base2; @@ -781,7 +777,6 @@ struct netxen_hardware_context { u32 qg_linksup; /* Address of cmd ring in Phantom */ struct cmd_desc_type0 *cmd_desc_head; - struct pci_dev *cmd_desc_pdev; dma_addr_t cmd_desc_phys_addr; struct netxen_adapter *adapter; int pci_func; @@ -816,9 +811,8 @@ struct netxen_adapter_stats { struct netxen_rcv_desc_ctx { u32 flags; u32 producer; - u32 rcv_pending; /* Num of bufs posted in phantom */ dma_addr_t phys_addr; - struct pci_dev *phys_pdev; + u32 crb_rcv_producer; /* reg offset */ struct rcv_desc *desc_head; /* address of rx ring in Phantom */ u32 max_rx_desc_count; u32 dma_size; @@ -835,10 +829,9 @@ struct netxen_rcv_desc_ctx { */ struct netxen_recv_context { struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS]; - u32 status_rx_producer; u32 status_rx_consumer; + u32 crb_sts_consumer; /* reg offset */ dma_addr_t rcv_status_desc_phys_addr; - struct pci_dev *rcv_status_desc_pdev; struct status_desc *rcv_status_desc_head; }; @@ -854,7 +847,6 @@ struct netxen_dummy_dma { struct netxen_adapter { struct netxen_hardware_context ahw; - struct netxen_adapter *master; struct net_device *netdev; struct pci_dev *pdev; struct napi_struct napi; @@ -873,6 +865,8 @@ struct netxen_adapter { u32 cmd_producer; __le32 *cmd_consumer; u32 last_cmd_consumer; + u32 crb_addr_cmd_producer; + u32 crb_addr_cmd_consumer; u32 max_tx_desc_count; u32 max_rx_desc_count; @@ -886,14 +880,12 @@ struct netxen_adapter { struct netxen_adapter_stats stats; - u16 portno; u16 link_speed; u16 link_duplex; u16 state; u16 link_autoneg; int rx_csum; int status; - spinlock_t stats_lock; struct netxen_cmd_buffer *cmd_buf_arr; /* Command buffers for xmit */ @@ -908,7 +900,6 @@ struct netxen_adapter { /* Context interface shared between card and host */ struct netxen_ring_ctx *ctx_desc; - struct pci_dev *ctx_desc_pdev; dma_addr_t ctx_desc_phys_addr; int intr_scheme; int msi_mode; @@ -1034,8 +1025,6 @@ 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); -void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr, - struct pci_dev **used_dev); 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); diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index 723487bf200..99071c25376 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -427,6 +427,7 @@ netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, return 0; } +#if 0 static int netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 * bytes) @@ -447,7 +448,6 @@ netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, } printk(KERN_INFO "%s: flash unlocked. \n", netxen_nic_driver_name); - last_schedule_time = jiffies; ret = netxen_flash_erase_secondary(adapter); if (ret != FLASH_SUCCESS) { printk(KERN_ERR "%s: Flash erase failed.\n", @@ -497,6 +497,7 @@ netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, return netxen_rom_fast_write_words(adapter, offset, bytes, eeprom->len); } +#endif /* 0 */ static void netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) @@ -745,7 +746,9 @@ struct ethtool_ops netxen_nic_ethtool_ops = { .get_link = ethtool_op_get_link, .get_eeprom_len = netxen_nic_get_eeprom_len, .get_eeprom = netxen_nic_get_eeprom, +#if 0 .set_eeprom = netxen_nic_set_eeprom, +#endif .get_ringparam = netxen_nic_get_ringparam, .get_pauseparam = netxen_nic_get_pauseparam, .set_pauseparam = netxen_nic_set_pauseparam, diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index c43d06b8de9..fa6d034c242 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -43,203 +43,61 @@ struct netxen_recv_crb recv_crb_registers[] = { * Instance 0. */ { - /* rcv_desc_crb: */ - { - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x100), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x104), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x108), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x10c), - - }, - /* Jumbo frames */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x110), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x114), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x118), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x11c), - }, - /* LRO */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x120), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x124), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x128), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x12c), - } - }, - /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x130), - /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x134), - /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x138), - /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x13c), - /* crb_status_ring_size */ - NETXEN_NIC_REG(0x140), - - }, + /* crb_rcv_producer: */ + { + NETXEN_NIC_REG(0x100), + /* Jumbo frames */ + NETXEN_NIC_REG(0x110), + /* LRO */ + NETXEN_NIC_REG(0x120) + }, + /* crb_sts_consumer: */ + NETXEN_NIC_REG(0x138), + }, /* * Instance 1, */ { - /* rcv_desc_crb: */ - { - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x144), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x148), - /* crb_globalrcv_ring: */ - NETXEN_NIC_REG(0x14c), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x150), - - }, - /* Jumbo frames */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x154), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x158), - /* crb_globalrcv_ring: */ - NETXEN_NIC_REG(0x15c), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x160), - }, - /* LRO */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x164), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x168), - /* crb_globalrcv_ring: */ - NETXEN_NIC_REG(0x16c), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x170), - } - - }, - /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x174), - /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x178), - /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x17c), - /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x180), - /* crb_status_ring_size */ - NETXEN_NIC_REG(0x184), - }, + /* crb_rcv_producer: */ + { + NETXEN_NIC_REG(0x144), + /* Jumbo frames */ + NETXEN_NIC_REG(0x154), + /* LRO */ + NETXEN_NIC_REG(0x164) + }, + /* crb_sts_consumer: */ + NETXEN_NIC_REG(0x17c), + }, /* * Instance 2, */ { - { - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x1d8), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x1dc), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x1f0), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x1f4), - }, - /* Jumbo frames */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x1f8), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x1fc), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x200), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x204), - }, - /* LRO */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x208), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x20c), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x210), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x214), - } - }, - /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x218), - /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x21c), - /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x220), - /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x224), - /* crb_status_ring_size */ - NETXEN_NIC_REG(0x228), + /* crb_rcv_producer: */ + { + NETXEN_NIC_REG(0x1d8), + /* Jumbo frames */ + NETXEN_NIC_REG(0x1f8), + /* LRO */ + NETXEN_NIC_REG(0x208) + }, + /* crb_sts_consumer: */ + NETXEN_NIC_REG(0x220), }, /* * Instance 3, */ { - { - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x22c), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x230), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x234), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x238), - }, - /* Jumbo frames */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x23c), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x240), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x244), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x248), - }, - /* LRO */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x24c), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x250), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x254), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x258), - } - }, - /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x25c), - /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x260), - /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x264), - /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x268), - /* crb_status_ring_size */ - NETXEN_NIC_REG(0x26c), + /* crb_rcv_producer: */ + { + NETXEN_NIC_REG(0x22c), + /* Jumbo frames */ + NETXEN_NIC_REG(0x23c), + /* LRO */ + NETXEN_NIC_REG(0x24c) + }, + /* crb_sts_consumer: */ + NETXEN_NIC_REG(0x264), }, }; @@ -375,16 +233,12 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) loops = 0; state = 0; /* Window 1 call */ - state = readl(NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers[ctx]. - crb_rcvpeg_state)); + state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_RCVPEG_STATE)); while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) { msleep(1); /* Window 1 call */ state = readl(NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers - [ctx]. - crb_rcvpeg_state)); + CRB_RCVPEG_STATE)); loops++; } if (loops >= 20) { @@ -399,11 +253,9 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) adapter->msi_mode = readl( NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_FW)); - addr = netxen_alloc(adapter->ahw.pdev, - sizeof(struct netxen_ring_ctx) + - sizeof(uint32_t), - (dma_addr_t *) & adapter->ctx_desc_phys_addr, - &adapter->ctx_desc_pdev); + addr = pci_alloc_consistent(adapter->pdev, + sizeof(struct netxen_ring_ctx) + sizeof(uint32_t), + &adapter->ctx_desc_phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); @@ -419,11 +271,10 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) adapter->cmd_consumer = (__le32 *) (((char *)addr) + sizeof(struct netxen_ring_ctx)); - addr = netxen_alloc(adapter->ahw.pdev, + addr = pci_alloc_consistent(adapter->pdev, sizeof(struct cmd_desc_type0) * adapter->max_tx_desc_count, - (dma_addr_t *) & hw->cmd_desc_phys_addr, - &adapter->ahw.cmd_desc_pdev); + &hw->cmd_desc_phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); @@ -443,10 +294,9 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { rcv_desc = &recv_ctx->rcv_desc[ring]; - addr = netxen_alloc(adapter->ahw.pdev, + addr = pci_alloc_consistent(adapter->pdev, RCV_DESC_RINGSIZE, - &rcv_desc->phys_addr, - &rcv_desc->phys_pdev); + &rcv_desc->phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from " "pci_alloc_consistent\n"); @@ -459,11 +309,13 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) cpu_to_le64(rcv_desc->phys_addr); adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size = cpu_to_le32(rcv_desc->max_rx_desc_count); + rcv_desc->crb_rcv_producer = + recv_crb_registers[adapter->portnum]. + crb_rcv_producer[ring]; } - addr = netxen_alloc(adapter->ahw.pdev, STATUS_DESC_RINGSIZE, - &recv_ctx->rcv_status_desc_phys_addr, - &recv_ctx->rcv_status_desc_pdev); + addr = pci_alloc_consistent(adapter->pdev, STATUS_DESC_RINGSIZE, + &recv_ctx->rcv_status_desc_phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from" " pci_alloc_consistent\n"); @@ -476,6 +328,8 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr); adapter->ctx_desc->sts_ring_size = cpu_to_le32(adapter->max_rx_desc_count); + recv_ctx->crb_sts_consumer = + recv_crb_registers[adapter->portnum].crb_sts_consumer; } /* Window = 1 */ @@ -496,7 +350,7 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) int ctx, ring; if (adapter->ctx_desc != NULL) { - pci_free_consistent(adapter->ctx_desc_pdev, + pci_free_consistent(adapter->pdev, sizeof(struct netxen_ring_ctx) + sizeof(uint32_t), adapter->ctx_desc, @@ -505,7 +359,7 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) } if (adapter->ahw.cmd_desc_head != NULL) { - pci_free_consistent(adapter->ahw.cmd_desc_pdev, + pci_free_consistent(adapter->pdev, sizeof(struct cmd_desc_type0) * adapter->max_tx_desc_count, adapter->ahw.cmd_desc_head, @@ -519,7 +373,7 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) rcv_desc = &recv_ctx->rcv_desc[ring]; if (rcv_desc->desc_head != NULL) { - pci_free_consistent(rcv_desc->phys_pdev, + pci_free_consistent(adapter->pdev, RCV_DESC_RINGSIZE, rcv_desc->desc_head, rcv_desc->phys_addr); @@ -528,7 +382,7 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) } if (recv_ctx->rcv_status_desc_head != NULL) { - pci_free_consistent(recv_ctx->rcv_status_desc_pdev, + pci_free_consistent(adapter->pdev, STATUS_DESC_RINGSIZE, recv_ctx->rcv_status_desc_head, recv_ctx-> diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 70d1b22ced2..37fd6bc93eb 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -42,8 +42,6 @@ struct crb_addr_pair { u32 data; }; -unsigned long last_schedule_time; - #define NETXEN_MAX_CRB_XFORM 60 static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM]; #define NETXEN_ADDR_ERROR (0xffffffff) @@ -155,24 +153,6 @@ int netxen_init_firmware(struct netxen_adapter *adapter) return err; } -#define NETXEN_ADDR_LIMIT 0xffffffffULL - -void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr, - struct pci_dev **used_dev) -{ - void *addr; - - addr = pci_alloc_consistent(pdev, sz, ptr); - if ((unsigned long long)(*ptr) < NETXEN_ADDR_LIMIT) { - *used_dev = pdev; - return addr; - } - pci_free_consistent(pdev, sz, addr, *ptr); - addr = pci_alloc_consistent(NULL, sz, ptr); - *used_dev = NULL; - return addr; -} - void netxen_initialize_adapter_sw(struct netxen_adapter *adapter) { int ctxid, ring; @@ -270,7 +250,9 @@ static u32 netxen_decode_crb_addr(u32 addr) static long rom_max_timeout = 100; static long rom_lock_timeout = 10000; +#if 0 static long rom_write_timeout = 700; +#endif static int rom_lock(struct netxen_adapter *adapter) { @@ -319,6 +301,7 @@ static int netxen_wait_rom_done(struct netxen_adapter *adapter) return 0; } +#if 0 static int netxen_rom_wren(struct netxen_adapter *adapter) { /* Set write enable latch in ROM status register */ @@ -348,6 +331,7 @@ static int netxen_do_rom_rdsr(struct netxen_adapter *adapter) } return netxen_rdcrbreg(adapter, NETXEN_ROMUSB_ROM_RDATA); } +#endif static void netxen_rom_unlock(struct netxen_adapter *adapter) { @@ -358,6 +342,7 @@ static void netxen_rom_unlock(struct netxen_adapter *adapter) } +#if 0 static int netxen_rom_wip_poll(struct netxen_adapter *adapter) { long timeout = 0; @@ -393,6 +378,7 @@ static int do_rom_fast_write(struct netxen_adapter *adapter, int addr, return netxen_rom_wip_poll(adapter); } +#endif static int do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp) @@ -475,7 +461,6 @@ int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data) netxen_rom_unlock(adapter); return ret; } -#endif /* 0 */ static int do_rom_fast_write_words(struct netxen_adapter *adapter, int addr, u8 *bytes, size_t size) @@ -740,13 +725,12 @@ int netxen_flash_unlock(struct netxen_adapter *adapter) return ret; } +#endif /* 0 */ #define NETXEN_BOARDTYPE 0x4008 #define NETXEN_BOARDNUM 0x400c #define NETXEN_CHIPNUM 0x4010 #define NETXEN_ROMBUS_RESET 0xFFFFFFFF -#define NETXEN_ROM_FIRST_BARRIER 0x800000000ULL -#define NETXEN_ROM_FOUND_INIT 0x400 int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) { @@ -776,10 +760,9 @@ 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 & NETXEN_ROM_FIRST_BARRIER)) { - n &= ~NETXEN_ROM_ROUNDUP; - if (n < NETXEN_ROM_FOUND_INIT) { + 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); @@ -829,16 +812,8 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) buf[i].data = NETXEN_NIC_XDMA_RESET; } - if (ADDR_IN_WINDOW1(off)) { - writel(buf[i].data, - NETXEN_CRB_NORMALIZE(adapter, off)); - } else { - netxen_nic_pci_change_crbwindow(adapter, 0); - writel(buf[i].data, - pci_base_offset(adapter, off)); + netxen_nic_hw_write_wx(adapter, off, &buf[i].data, 4); - netxen_nic_pci_change_crbwindow(adapter, 1); - } if (init_delay == 1) { msleep(1000); init_delay = 0; @@ -897,7 +872,7 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter) uint32_t lo; adapter->dummy_dma.addr = - pci_alloc_consistent(adapter->ahw.pdev, + pci_alloc_consistent(adapter->pdev, NETXEN_HOST_DUMMY_DMA_SIZE, &adapter->dummy_dma.phys_addr); if (adapter->dummy_dma.addr == NULL) { @@ -931,7 +906,7 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter) } while (--i); if (i) { - pci_free_consistent(adapter->ahw.pdev, + pci_free_consistent(adapter->pdev, NETXEN_HOST_DUMMY_DMA_SIZE, adapter->dummy_dma.addr, adapter->dummy_dma.phys_addr); @@ -1104,8 +1079,6 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, ret = netif_receive_skb(skb); netdev->last_rx = jiffies; - rcv_desc->rcv_pending--; - /* * We just consumed one buffer so post a buffer. */ @@ -1125,7 +1098,6 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) struct status_desc *desc_head = recv_ctx->rcv_status_desc_head; struct status_desc *desc; /* used to read status desc here */ u32 consumer = recv_ctx->status_rx_consumer; - u32 producer = 0; int count = 0, ring; while (count < max) { @@ -1146,13 +1118,10 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) /* update the consumer index in phantom */ if (count) { recv_ctx->status_rx_consumer = consumer; - recv_ctx->status_rx_producer = producer; /* Window = 1 */ - writel(consumer, - NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers[adapter->portnum]. - crb_rcv_status_consumer)); + writel(consumer, NETXEN_CRB_NORMALIZE(adapter, + recv_ctx->crb_sts_consumer)); } return count; @@ -1231,7 +1200,7 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter) */ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) { - struct pci_dev *pdev = adapter->ahw.pdev; + struct pci_dev *pdev = adapter->pdev; struct sk_buff *skb; struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]); struct netxen_rcv_desc_ctx *rcv_desc = NULL; @@ -1294,16 +1263,11 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) /* if we did allocate buffers, then write the count to Phantom */ if (count) { rcv_desc->begin_alloc = index; - rcv_desc->rcv_pending += count; rcv_desc->producer = producer; /* Window = 1 */ - writel((producer - 1) & - (rcv_desc->max_rx_desc_count - 1), - NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers[ - adapter->portnum]. - rcv_desc_crb[ringid]. - crb_rcv_producer_offset)); + writel((producer - 1) & (rcv_desc->max_rx_desc_count - 1), + NETXEN_CRB_NORMALIZE(adapter, + rcv_desc->crb_rcv_producer)); /* * Write a doorbell msg to tell phanmon of change in * receive ring producer @@ -1325,7 +1289,7 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ctx, uint32_t ringid) { - struct pci_dev *pdev = adapter->ahw.pdev; + struct pci_dev *pdev = adapter->pdev; struct sk_buff *skb; struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]); struct netxen_rcv_desc_ctx *rcv_desc = NULL; @@ -1370,7 +1334,6 @@ static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size); pdesc->addr_buffer = cpu_to_le64(buffer->dma); - DPRINTK(INFO, "done writing descripter\n"); producer = get_next_index(producer, rcv_desc->max_rx_desc_count); index = get_next_index(index, rcv_desc->max_rx_desc_count); @@ -1380,16 +1343,11 @@ static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, /* if we did allocate buffers, then write the count to Phantom */ if (count) { rcv_desc->begin_alloc = index; - rcv_desc->rcv_pending += count; rcv_desc->producer = producer; /* Window = 1 */ - writel((producer - 1) & - (rcv_desc->max_rx_desc_count - 1), - NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers[ - adapter->portnum]. - rcv_desc_crb[ringid]. - crb_rcv_producer_offset)); + writel((producer - 1) & (rcv_desc->max_rx_desc_count - 1), + NETXEN_CRB_NORMALIZE(adapter, + rcv_desc->crb_rcv_producer)); wmb(); } } diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 63cd67b931e..91b02ebc9a1 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -108,66 +108,30 @@ static struct workqueue_struct *netxen_workq; static void netxen_watchdog(unsigned long); +static uint32_t crb_cmd_producer[4] = { + CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, + CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 +}; + static void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, uint32_t crb_producer) { - switch (adapter->portnum) { - case 0: - writel(crb_producer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_PRODUCER_OFFSET)); - return; - case 1: - writel(crb_producer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_PRODUCER_OFFSET_1)); - return; - case 2: - writel(crb_producer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_PRODUCER_OFFSET_2)); - return; - case 3: - writel(crb_producer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_PRODUCER_OFFSET_3)); - return; - default: - printk(KERN_WARNING "We tried to update " - "CRB_CMD_PRODUCER_OFFSET for invalid " - "PCI function id %d\n", - adapter->portnum); - return; - } + writel(crb_producer, NETXEN_CRB_NORMALIZE(adapter, + adapter->crb_addr_cmd_producer)); } +static uint32_t crb_cmd_consumer[4] = { + CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, + CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 +}; + static void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, u32 crb_consumer) { - switch (adapter->portnum) { - case 0: - writel(crb_consumer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_CONSUMER_OFFSET)); - return; - case 1: - writel(crb_consumer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_CONSUMER_OFFSET_1)); - return; - case 2: - writel(crb_consumer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_CONSUMER_OFFSET_2)); - return; - case 3: - writel(crb_consumer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_CONSUMER_OFFSET_3)); - return; - default: - printk(KERN_WARNING "We tried to update " - "CRB_CMD_PRODUCER_OFFSET for invalid " - "PCI function id %d\n", - adapter->portnum); - return; - } + writel(crb_consumer, NETXEN_CRB_NORMALIZE(adapter, + adapter->crb_addr_cmd_consumer)); } -#define ADAPTER_LIST_SIZE 12 - static uint32_t msi_tgt_status[4] = { ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3 @@ -334,7 +298,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter = netdev->priv; - adapter->ahw.pdev = pdev; adapter->ahw.pci_func = pci_func_id; /* remap phys address */ @@ -552,12 +515,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->watchdog_timer.function = &netxen_watchdog; adapter->watchdog_timer.data = (unsigned long)adapter; INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task); - adapter->ahw.pdev = pdev; adapter->ahw.revision_id = pdev->revision; /* make sure Window == 1 */ netxen_nic_pci_change_crbwindow(adapter, 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); writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); @@ -816,7 +780,7 @@ static int netxen_nic_open(struct net_device *netdev) for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) netxen_post_rx_buffers(adapter, ctx, ring); } - adapter->irq = adapter->ahw.pdev->irq; + adapter->irq = adapter->pdev->irq; if (adapter->flags & NETXEN_NIC_MSI_ENABLED) handler = netxen_msi_intr; else { @@ -1220,10 +1184,6 @@ module_init(netxen_init_module); static void __exit netxen_exit_module(void) { - /* - * Wait for some time to allow the dma to drain, if any. - */ - msleep(100); pci_unregister_driver(&netxen_driver); destroy_workqueue(netxen_workq); } diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h index a566b50f36f..db2202aeb0d 100644 --- a/drivers/net/netxen/netxen_nic_phan_reg.h +++ b/drivers/net/netxen/netxen_nic_phan_reg.h @@ -98,6 +98,7 @@ #define CRB_JUMBO_BUFFER_PROD NETXEN_NIC_REG(0xf4) #define CRB_JUMBO_BUFFER_CONS NETXEN_NIC_REG(0xf8) +#define CRB_RCVPEG_STATE NETXEN_NIC_REG(0x13c) #define CRB_CMD_PRODUCER_OFFSET_1 NETXEN_NIC_REG(0x1ac) #define CRB_CMD_CONSUMER_OFFSET_1 NETXEN_NIC_REG(0x1b0) #define CRB_CMD_PRODUCER_OFFSET_2 NETXEN_NIC_REG(0x1b8) @@ -147,25 +148,13 @@ #define nx_get_temp_state(x) ((x) & 0xffff) #define nx_encode_temp(val, state) (((val) << 16) | (state)) -/* CRB registers per Rcv Descriptor ring */ -struct netxen_rcv_desc_crb { - u32 crb_rcv_producer_offset __attribute__ ((aligned(512))); - u32 crb_rcv_consumer_offset; - u32 crb_globalrcv_ring; - u32 crb_rcv_ring_size; -}; - /* * CRB registers used by the receive peg logic. */ struct netxen_recv_crb { - struct netxen_rcv_desc_crb rcv_desc_crb[NUM_RCV_DESC_RINGS]; - u32 crb_rcvstatus_ring; - u32 crb_rcv_status_producer; - u32 crb_rcv_status_consumer; - u32 crb_rcvpeg_state; - u32 crb_status_ring_size; + u32 crb_rcv_producer[NUM_RCV_DESC_RINGS]; + u32 crb_sts_consumer; }; extern struct netxen_recv_crb recv_crb_registers[]; -- 2.41.0