diff options
Diffstat (limited to 'drivers/net')
49 files changed, 1202 insertions, 484 deletions
diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c index 04f63c77071..ce6f1ac25df 100644 --- a/drivers/net/au1000_eth.c +++ b/drivers/net/au1000_eth.c @@ -34,6 +34,7 @@ * * */ +#include <linux/capability.h> #include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/kernel.h> diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 6c7f795d12d..a4d83409f20 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -361,9 +361,12 @@ struct l2_fhdr { #define BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE (1<<28) #define BNX2_L2CTX_HOST_BDIDX 0x00000004 -#define BNX2_L2CTX_STATUSB_NUM_SHIFT 16 -#define BNX2_L2CTX_STATUSB_NUM(sb_id) \ - (((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_STATUSB_NUM_SHIFT) : 0) +#define BNX2_L2CTX_L5_STATUSB_NUM_SHIFT 16 +#define BNX2_L2CTX_L2_STATUSB_NUM_SHIFT 24 +#define BNX2_L2CTX_L5_STATUSB_NUM(sb_id) \ + (((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_L5_STATUSB_NUM_SHIFT) : 0) +#define BNX2_L2CTX_L2_STATUSB_NUM(sb_id) \ + (((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_L2_STATUSB_NUM_SHIFT) : 0) #define BNX2_L2CTX_HOST_BSEQ 0x00000008 #define BNX2_L2CTX_NX_BSEQ 0x0000000c #define BNX2_L2CTX_NX_BDHADDR_HI 0x00000010 diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 69c5b15e22d..40fb5eefc72 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -691,7 +691,7 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_dev, int reporting) { const struct net_device_ops *slave_ops = slave_dev->netdev_ops; - static int (*ioctl)(struct net_device *, struct ifreq *, int); + int (*ioctl)(struct net_device *, struct ifreq *, int); struct ifreq ifr; struct mii_ioctl_data *mii; @@ -3665,10 +3665,10 @@ static int bond_xmit_hash_policy_l23(struct sk_buff *skb, if (skb->protocol == htons(ETH_P_IP)) { return ((ntohl(iph->saddr ^ iph->daddr) & 0xffff) ^ - (data->h_dest[5] ^ bond_dev->dev_addr[5])) % count; + (data->h_dest[5] ^ data->h_source[5])) % count; } - return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count; + return (data->h_dest[5] ^ data->h_source[5]) % count; } /* @@ -3695,7 +3695,7 @@ static int bond_xmit_hash_policy_l34(struct sk_buff *skb, } - return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count; + return (data->h_dest[5] ^ data->h_source[5]) % count; } /* @@ -3706,7 +3706,7 @@ static int bond_xmit_hash_policy_l2(struct sk_buff *skb, { struct ethhdr *data = (struct ethhdr *)skb->data; - return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count; + return (data->h_dest[5] ^ data->h_source[5]) % count; } /*-------------------------- Device entry points ----------------------------*/ diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c index 46c87ec7960..3bf1b04f2ca 100644 --- a/drivers/net/cnic.c +++ b/drivers/net/cnic.c @@ -2264,9 +2264,9 @@ static void cnic_init_bnx2_rx_ring(struct cnic_dev *dev) cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_CTX_TYPE, val); if (sb_id == 0) - val = 2 << BNX2_L2CTX_STATUSB_NUM_SHIFT; + val = 2 << BNX2_L2CTX_L2_STATUSB_NUM_SHIFT; else - val = BNX2_L2CTX_STATUSB_NUM(sb_id); + val = BNX2_L2CTX_L2_STATUSB_NUM(sb_id); cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_HOST_BDIDX, val); rxbd = (struct rx_bd *) (cp->l2_ring + BCM_PAGE_SIZE); @@ -2423,7 +2423,7 @@ static int cnic_start_bnx2_hw(struct cnic_dev *dev) cp->int_num = 0; if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) { u32 sb_id = cp->status_blk_num; - u32 sb = BNX2_L2CTX_STATUSB_NUM(sb_id); + u32 sb = BNX2_L2CTX_L5_STATUSB_NUM(sb_id); cp->int_num = sb_id << BNX2_PCICFG_INT_ACK_CMD_INT_NUM_SHIFT; cnic_ctx_wr(dev, cp->kwq_cid_addr, L5_KRNLQ_HOST_QIDX, sb); diff --git a/drivers/net/dm9000.h b/drivers/net/dm9000.h index 80817c2edfb..fb1c924d79b 100644 --- a/drivers/net/dm9000.h +++ b/drivers/net/dm9000.h @@ -50,7 +50,7 @@ #define DM9000_RCSR 0x32 #define CHIPR_DM9000A 0x19 -#define CHIPR_DM9000B 0x1B +#define CHIPR_DM9000B 0x1A #define DM9000_MRCMDX 0xF0 #define DM9000_MRCMD 0xF2 diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 5d2f48f0225..3c29a20b751 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -1427,19 +1427,31 @@ static int e100_phy_init(struct nic *nic) } else DPRINTK(HW, DEBUG, "phy_addr = %d\n", nic->mii.phy_id); - /* Isolate all the PHY ids */ - for (addr = 0; addr < 32; addr++) - mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE); - /* Select the discovered PHY */ - bmcr &= ~BMCR_ISOLATE; - mdio_write(netdev, nic->mii.phy_id, MII_BMCR, bmcr); - /* Get phy ID */ id_lo = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID1); id_hi = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID2); nic->phy = (u32)id_hi << 16 | (u32)id_lo; DPRINTK(HW, DEBUG, "phy ID = 0x%08X\n", nic->phy); + /* Select the phy and isolate the rest */ + for (addr = 0; addr < 32; addr++) { + if (addr != nic->mii.phy_id) { + mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE); + } else if (nic->phy != phy_82552_v) { + bmcr = mdio_read(netdev, addr, MII_BMCR); + mdio_write(netdev, addr, MII_BMCR, + bmcr & ~BMCR_ISOLATE); + } + } + /* + * Workaround for 82552: + * Clear the ISOLATE bit on selected phy_id last (mirrored on all + * other phy_id's) using bmcr value from addr discovery loop above. + */ + if (nic->phy == phy_82552_v) + mdio_write(netdev, nic->mii.phy_id, MII_BMCR, + bmcr & ~BMCR_ISOLATE); + /* Handle National tx phys */ #define NCS_PHY_MODEL_MASK 0xFFF0FFFF if ((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) { diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index c0f185beb8b..1190167a8b3 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -76,6 +76,7 @@ /* Extended Device Control */ #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Definable Pin 7 */ #define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */ +#define E1000_CTRL_EXT_SPD_BYPS 0x00008000 /* Speed Select Bypass */ #define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */ #define E1000_CTRL_EXT_DMA_DYN_CLK_EN 0x00080000 /* DMA Dynamic Clock Gating */ #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 @@ -347,6 +348,7 @@ /* Extended Configuration Control and Size */ #define E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP 0x00000020 #define E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE 0x00000001 +#define E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE 0x00000008 #define E1000_EXTCNF_CTRL_SWFLAG 0x00000020 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK 0x00FF0000 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT 16 diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index 981936c1fb4..189dfa2d6c7 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h @@ -141,6 +141,20 @@ struct e1000_info; #define HV_TNCRS_UPPER PHY_REG(778, 29) /* Transmit with no CRS */ #define HV_TNCRS_LOWER PHY_REG(778, 30) +/* BM PHY Copper Specific Status */ +#define BM_CS_STATUS 17 +#define BM_CS_STATUS_LINK_UP 0x0400 +#define BM_CS_STATUS_RESOLVED 0x0800 +#define BM_CS_STATUS_SPEED_MASK 0xC000 +#define BM_CS_STATUS_SPEED_1000 0x8000 + +/* 82577 Mobile Phy Status Register */ +#define HV_M_STATUS 26 +#define HV_M_STATUS_AUTONEG_COMPLETE 0x1000 +#define HV_M_STATUS_SPEED_MASK 0x0300 +#define HV_M_STATUS_SPEED_1000 0x0200 +#define HV_M_STATUS_LINK_UP 0x0040 + enum e1000_boards { board_82571, board_82572, @@ -519,9 +533,13 @@ extern s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw); extern s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw); extern s32 e1000e_get_phy_info_igp(struct e1000_hw *hw); extern s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data); +extern s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, + u16 *data); extern s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw); extern s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active); extern s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data); +extern s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, + u16 data); extern s32 e1000e_phy_sw_reset(struct e1000_hw *hw); extern s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw); extern s32 e1000e_get_cfg_done(struct e1000_hw *hw); @@ -538,7 +556,11 @@ extern s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data); extern s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data); extern void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl); extern s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data); +extern s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, + u16 data); extern s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data); +extern s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, + u16 *data); extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations, u32 usec_interval, bool *success); extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw); @@ -546,7 +568,11 @@ extern s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data); extern s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data); extern s32 e1000e_check_downshift(struct e1000_hw *hw); extern s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data); +extern s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, + u16 *data); extern s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data); +extern s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, + u16 data); extern s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw, bool slow); extern s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw); extern s32 e1000_copper_link_setup_82577(struct e1000_hw *hw); diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index fd44d9f9076..aaea41ef794 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -764,11 +764,13 @@ struct e1000_phy_operations { s32 (*get_cable_length)(struct e1000_hw *); s32 (*get_phy_info)(struct e1000_hw *); s32 (*read_phy_reg)(struct e1000_hw *, u32, u16 *); + s32 (*read_phy_reg_locked)(struct e1000_hw *, u32, u16 *); void (*release_phy)(struct e1000_hw *); s32 (*reset_phy)(struct e1000_hw *); s32 (*set_d0_lplu_state)(struct e1000_hw *, bool); s32 (*set_d3_lplu_state)(struct e1000_hw *, bool); s32 (*write_phy_reg)(struct e1000_hw *, u32, u16); + s32 (*write_phy_reg_locked)(struct e1000_hw *, u32, u16); s32 (*cfg_on_link_up)(struct e1000_hw *); }; @@ -901,6 +903,7 @@ struct e1000_shadow_ram { struct e1000_dev_spec_ich8lan { bool kmrn_lock_loss_workaround_enabled; struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS]; + bool nvm_k1_enabled; }; struct e1000_hw { diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index 99df2abf82a..51ddb04ab19 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c @@ -122,6 +122,27 @@ #define HV_LED_CONFIG PHY_REG(768, 30) /* LED Configuration */ +#define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in milliseconds */ + +/* SMBus Address Phy Register */ +#define HV_SMB_ADDR PHY_REG(768, 26) +#define HV_SMB_ADDR_PEC_EN 0x0200 +#define HV_SMB_ADDR_VALID 0x0080 + +/* Strapping Option Register - RO */ +#define E1000_STRAP 0x0000C +#define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000 +#define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17 + +/* OEM Bits Phy Register */ +#define HV_OEM_BITS PHY_REG(768, 25) +#define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */ +#define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */ +#define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */ + +#define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */ +#define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */ + /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ /* Offset 04h HSFSTS */ union ich8_hws_flash_status { @@ -200,6 +221,10 @@ static s32 e1000_setup_led_pchlan(struct e1000_hw *hw); static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw); static s32 e1000_led_on_pchlan(struct e1000_hw *hw); static s32 e1000_led_off_pchlan(struct e1000_hw *hw); +static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active); +static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw); +static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link); +static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable); static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) { @@ -242,7 +267,11 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) phy->ops.check_polarity = e1000_check_polarity_ife_ich8lan; phy->ops.read_phy_reg = e1000_read_phy_reg_hv; + phy->ops.read_phy_reg_locked = e1000_read_phy_reg_hv_locked; + phy->ops.set_d0_lplu_state = e1000_set_lplu_state_pchlan; + phy->ops.set_d3_lplu_state = e1000_set_lplu_state_pchlan; phy->ops.write_phy_reg = e1000_write_phy_reg_hv; + phy->ops.write_phy_reg_locked = e1000_write_phy_reg_hv_locked; phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; phy->id = e1000_phy_unknown; @@ -303,6 +332,8 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw) case IGP03E1000_E_PHY_ID: phy->type = e1000_phy_igp_3; phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; + phy->ops.read_phy_reg_locked = e1000e_read_phy_reg_igp_locked; + phy->ops.write_phy_reg_locked = e1000e_write_phy_reg_igp_locked; break; case IFE_E_PHY_ID: case IFE_PLUS_E_PHY_ID: @@ -469,14 +500,6 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) goto out; } - if (hw->mac.type == e1000_pchlan) { - ret_val = e1000e_write_kmrn_reg(hw, - E1000_KMRNCTRLSTA_K1_CONFIG, - E1000_KMRNCTRLSTA_K1_ENABLE); - if (ret_val) - goto out; - } - /* * First we want to see if the MII Status Register reports * link. If so, then we want to get the current speed/duplex @@ -486,6 +509,12 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) if (ret_val) goto out; + if (hw->mac.type == e1000_pchlan) { + ret_val = e1000_k1_gig_workaround_hv(hw, link); + if (ret_val) + goto out; + } + if (!link) goto out; /* No link detected */ @@ -568,12 +597,39 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) static DEFINE_MUTEX(nvm_mutex); /** + * e1000_acquire_nvm_ich8lan - Acquire NVM mutex + * @hw: pointer to the HW structure + * + * Acquires the mutex for performing NVM operations. + **/ +static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw) +{ + mutex_lock(&nvm_mutex); + + return 0; +} + +/** + * e1000_release_nvm_ich8lan - Release NVM mutex + * @hw: pointer to the HW structure + * + * Releases the mutex used while performing NVM operations. + **/ +static void e1000_release_nvm_ich8lan(struct e1000_hw *hw) +{ + mutex_unlock(&nvm_mutex); + + return; +} + +static DEFINE_MUTEX(swflag_mutex); + +/** * e1000_acquire_swflag_ich8lan - Acquire software control flag * @hw: pointer to the HW structure * - * Acquires the software control flag for performing NVM and PHY - * operations. This is a function pointer entry point only called by - * read/write routines for the PHY and NVM parts. + * Acquires the software control flag for performing PHY and select + * MAC CSR accesses. **/ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) { @@ -582,7 +638,7 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) might_sleep(); - mutex_lock(&nvm_mutex); + mutex_lock(&swflag_mutex); while (timeout) { extcnf_ctrl = er32(EXTCNF_CTRL); @@ -599,7 +655,7 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) goto out; } - timeout = PHY_CFG_TIMEOUT * 2; + timeout = SW_FLAG_TIMEOUT; extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG; ew32(EXTCNF_CTRL, extcnf_ctrl); @@ -623,7 +679,7 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) out: if (ret_val) - mutex_unlock(&nvm_mutex); + mutex_unlock(&swflag_mutex); return ret_val; } @@ -632,9 +688,8 @@ out: * e1000_release_swflag_ich8lan - Release software control flag * @hw: pointer to the HW structure * - * Releases the software control flag for performing NVM and PHY operations. - * This is a function pointer entry point only called by read/write - * routines for the PHY and NVM parts. + * Releases the software control flag for performing PHY and select + * MAC CSR accesses. **/ static void e1000_release_swflag_ich8lan(struct e1000_hw *hw) { @@ -644,7 +699,9 @@ static void e1000_release_swflag_ich8lan(struct e1000_hw *hw) extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; ew32(EXTCNF_CTRL, extcnf_ctrl); - mutex_unlock(&nvm_mutex); + mutex_unlock(&swflag_mutex); + + return; } /** @@ -752,6 +809,326 @@ static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw) } /** + * e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration + * @hw: pointer to the HW structure + * + * SW should configure the LCD from the NVM extended configuration region + * as a workaround for certain parts. + **/ +static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask; + s32 ret_val; + u16 word_addr, reg_data, reg_addr, phy_page = 0; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + + /* + * Initialize the PHY from the NVM on ICH platforms. This + * is needed due to an issue where the NVM configuration is + * not properly autoloaded after power transitions. + * Therefore, after each PHY reset, we will load the + * configuration data out of the NVM manually. + */ + if ((hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) || + (hw->mac.type == e1000_pchlan)) { + struct e1000_adapter *adapter = hw->adapter; + + /* Check if SW needs to configure the PHY */ + if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) || + (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M) || + (hw->mac.type == e1000_pchlan)) + sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; + else + sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; + + data = er32(FEXTNVM); + if (!(data & sw_cfg_mask)) + goto out; + + /* Wait for basic configuration completes before proceeding */ + e1000_lan_init_done_ich8lan(hw); + + /* + * Make sure HW does not configure LCD from PHY + * extended configuration before SW configuration + */ + data = er32(EXTCNF_CTRL); + if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) + goto out; + + cnf_size = er32(EXTCNF_SIZE); + cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; + cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; + if (!cnf_size) + goto out; + + cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; + cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; + + if (!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) && + (hw->mac.type == e1000_pchlan)) { + /* + * HW configures the SMBus address and LEDs when the + * OEM and LCD Write Enable bits are set in the NVM. + * When both NVM bits are cleared, SW will configure + * them instead. + */ + data = er32(STRAP); + data &= E1000_STRAP_SMBUS_ADDRESS_MASK; + reg_data = data >> E1000_STRAP_SMBUS_ADDRESS_SHIFT; + reg_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID; + ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, + reg_data); + if (ret_val) + goto out; + + data = er32(LEDCTL); + ret_val = e1000_write_phy_reg_hv_locked(hw, + HV_LED_CONFIG, + (u16)data); + if (ret_val) + goto out; + } + /* Configure LCD from extended configuration region. */ + + /* cnf_base_addr is in DWORD */ + word_addr = (u16)(cnf_base_addr << 1); + + for (i = 0; i < cnf_size; i++) { + ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, + ®_data); + if (ret_val) + goto out; + + ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1), + 1, ®_addr); + if (ret_val) + goto out; + + /* Save off the PHY page for future writes. */ + if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { + phy_page = reg_data; + continue; + } + + reg_addr &= PHY_REG_MASK; + reg_addr |= phy_page; + + ret_val = phy->ops.write_phy_reg_locked(hw, + (u32)reg_addr, + reg_data); + if (ret_val) + goto out; + } + } + +out: + hw->phy.ops.release_phy(hw); + return ret_val; +} + +/** + * e1000_k1_gig_workaround_hv - K1 Si workaround + * @hw: pointer to the HW structure + * @link: link up bool flag + * + * If K1 is enabled for 1Gbps, the MAC might stall when transitioning + * from a lower speed. This workaround disables K1 whenever link is at 1Gig + * If link is down, the function will restore the default K1 setting located + * in the NVM. + **/ +static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link) +{ + s32 ret_val = 0; + u16 status_reg = 0; + bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled; + + if (hw->mac.type != e1000_pchlan) + goto out; + + /* Wrap the whole flow with the sw flag */ + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + goto out; + + /* Disable K1 when link is 1Gbps, otherwise use the NVM setting */ + if (link) { + if (hw->phy.type == e1000_phy_82578) { + ret_val = hw->phy.ops.read_phy_reg_locked(hw, + BM_CS_STATUS, + &status_reg); + if (ret_val) + goto release; + + status_reg &= BM_CS_STATUS_LINK_UP | + BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_MASK; + + if (status_reg == (BM_CS_STATUS_LINK_UP | + BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_1000)) + k1_enable = false; + } + + if (hw->phy.type == e1000_phy_82577) { + ret_val = hw->phy.ops.read_phy_reg_locked(hw, + HV_M_STATUS, + &status_reg); + if (ret_val) + goto release; + + status_reg &= HV_M_STATUS_LINK_UP | + HV_M_STATUS_AUTONEG_COMPLETE | + HV_M_STATUS_SPEED_MASK; + + if (status_reg == (HV_M_STATUS_LINK_UP | + HV_M_STATUS_AUTONEG_COMPLETE | + HV_M_STATUS_SPEED_1000)) + k1_enable = false; + } + + /* Link stall fix for link up */ + ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19), + 0x0100); + if (ret_val) + goto release; + + } else { + /* Link stall fix for link down */ + ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19), + 0x4100); + if (ret_val) + goto release; + } + + ret_val = e1000_configure_k1_ich8lan(hw, k1_enable); + +release: + hw->phy.ops.release_phy(hw); +out: + return ret_val; +} + +/** + * e1000_configure_k1_ich8lan - Configure K1 power state + * @hw: pointer to the HW structure + * @enable: K1 state to configure + * + * Configure the K1 power state based on the provided parameter. + * Assumes semaphore already acquired. + * + * Success returns 0, Failure returns -E1000_ERR_PHY (-2) + **/ +static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) +{ + s32 ret_val = 0; + u32 ctrl_reg = 0; + u32 ctrl_ext = 0; + u32 reg = 0; + u16 kmrn_reg = 0; + + ret_val = e1000e_read_kmrn_reg_locked(hw, + E1000_KMRNCTRLSTA_K1_CONFIG, + &kmrn_reg); + if (ret_val) + goto out; + + if (k1_enable) + kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE; + else + kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE; + + ret_val = e1000e_write_kmrn_reg_locked(hw, + E1000_KMRNCTRLSTA_K1_CONFIG, + kmrn_reg); + if (ret_val) + goto out; + + udelay(20); + ctrl_ext = er32(CTRL_EXT); + ctrl_reg = er32(CTRL); + + reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); + reg |= E1000_CTRL_FRCSPD; + ew32(CTRL, reg); + + ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS); + udelay(20); + ew32(CTRL, ctrl_reg); + ew32(CTRL_EXT, ctrl_ext); + udelay(20); + +out: + return ret_val; +} + +/** + * e1000_oem_bits_config_ich8lan - SW-based LCD Configuration + * @hw: pointer to the HW structure + * @d0_state: boolean if entering d0 or d3 device state + * + * SW will configure Gbe Disable and LPLU based on the NVM. The four bits are + * collectively called OEM bits. The OEM Write Enable bit and SW Config bit + * in NVM determines whether HW should configure LPLU and Gbe Disable. + **/ +static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) +{ + s32 ret_val = 0; + u32 mac_reg; + u16 oem_reg; + + if (hw->mac.type != e1000_pchlan) + return ret_val; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + + mac_reg = er32(EXTCNF_CTRL); + if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) + goto out; + + mac_reg = er32(FEXTNVM); + if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M)) + goto out; + + mac_reg = er32(PHY_CTRL); + + ret_val = hw->phy.ops.read_phy_reg_locked(hw, HV_OEM_BITS, &oem_reg); + if (ret_val) + goto out; + + oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU); + + if (d0_state) { + if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE) + oem_reg |= HV_OEM_BITS_GBE_DIS; + + if (mac_reg & E1000_PHY_CTRL_D0A_LPLU) + oem_reg |= HV_OEM_BITS_LPLU; + } else { + if (mac_reg & E1000_PHY_CTRL_NOND0A_GBE_DISABLE) + oem_reg |= HV_OEM_BITS_GBE_DIS; + + if (mac_reg & E1000_PHY_CTRL_NOND0A_LPLU) + oem_reg |= HV_OEM_BITS_LPLU; + } + /* Restart auto-neg to activate the bits */ + oem_reg |= HV_OEM_BITS_RESTART_AN; + ret_val = hw->phy.ops.write_phy_reg_locked(hw, HV_OEM_BITS, oem_reg); + +out: + hw->phy.ops.release_phy(hw); + + return ret_val; +} + + +/** * e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be * done after every PHY reset. **/ @@ -791,10 +1168,20 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) ret_val = hw->phy.ops.acquire_phy(hw); if (ret_val) return ret_val; + hw->phy.addr = 1; - e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); + ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); + if (ret_val) + goto out; hw->phy.ops.release_phy(hw); + /* + * Configure the K1 Si workaround during phy reset assuming there is + * link so that it disables K1 if link is in 1Gbps. + */ + ret_val = e1000_k1_gig_workaround_hv(hw, true); + +out: return ret_val; } @@ -840,11 +1227,8 @@ static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw) **/ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) { - struct e1000_phy_info *phy = &hw->phy; - u32 i; - u32 data, cnf_size, cnf_base_addr, sw_cfg_mask; - s32 ret_val; - u16 word_addr, reg_data, reg_addr, phy_page = 0; + s32 ret_val = 0; + u16 reg; ret_val = e1000e_phy_hw_reset_generic(hw); if (ret_val) @@ -859,81 +1243,20 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) return ret_val; } - /* - * Initialize the PHY from the NVM on ICH platforms. This - * is needed due to an issue where the NVM configuration is - * not properly autoloaded after power transitions. - * Therefore, after each PHY reset, we will load the - * configuration data out of the NVM manually. - */ - if (hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) { - struct e1000_adapter *adapter = hw->adapter; - - /* Check if SW needs configure the PHY */ - if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) || - (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M)) - sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; - else - sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; - - data = er32(FEXTNVM); - if (!(data & sw_cfg_mask)) - return 0; - - /* Wait for basic configuration completes before proceeding */ - e1000_lan_init_done_ich8lan(hw); - - /* - * Make sure HW does not configure LCD from PHY - * extended configuration before SW configuration - */ - data = er32(EXTCNF_CTRL); - if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) - return 0; - - cnf_size = er32(EXTCNF_SIZE); - cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; - cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; - if (!cnf_size) - return 0; - - cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; - cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; - - /* Configure LCD from extended configuration region. */ - - /* cnf_base_addr is in DWORD */ - word_addr = (u16)(cnf_base_addr << 1); - - for (i = 0; i < cnf_size; i++) { - ret_val = e1000_read_nvm(hw, - (word_addr + i * 2), - 1, - ®_data); - if (ret_val) - return ret_val; - - ret_val = e1000_read_nvm(hw, - (word_addr + i * 2 + 1), - 1, - ®_addr); - if (ret_val) - return ret_val; - - /* Save off the PHY page for future writes. */ - if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { - phy_page = reg_data; - continue; - } + /* Dummy read to clear the phy wakeup bit after lcd reset */ + if (hw->mac.type == e1000_pchlan) + e1e_rphy(hw, BM_WUC, ®); - reg_addr |= phy_page; + /* Configure the LCD with the extended configuration region in NVM */ + ret_val = e1000_sw_lcd_config_ich8lan(hw); + if (ret_val) + goto out; - ret_val = e1e_wphy(hw, (u32)reg_addr, reg_data); - if (ret_val) - return ret_val; - } - } + /* Configure the LCD with the OEM bits in NVM */ + if (hw->mac.type == e1000_pchlan) + ret_val = e1000_oem_bits_config_ich8lan(hw, true); +out: return 0; } @@ -1054,6 +1377,38 @@ static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw) } /** + * e1000_set_lplu_state_pchlan - Set Low Power Link Up state + * @hw: pointer to the HW structure + * @active: true to enable LPLU, false to disable + * + * Sets the LPLU state according to the active flag. For PCH, if OEM write + * bit are disabled in the NVM, writing the LPLU bits in the MAC will not set + * the phy speed. This function will manually set the LPLU bit and restart + * auto-neg as hw would do. D3 and D0 LPLU will call the same function + * since it configures the same bit. + **/ +static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active) +{ + s32 ret_val = 0; + u16 oem_reg; + + ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg); + if (ret_val) + goto out; + + if (active) + oem_reg |= HV_OEM_BITS_LPLU; + else + oem_reg &= ~HV_OEM_BITS_LPLU; + + oem_reg |= HV_OEM_BITS_RESTART_AN; + ret_val = e1e_wphy(hw, HV_OEM_BITS, oem_reg); + +out: + return ret_val; +} + +/** * e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state * @hw: pointer to the HW structure * @active: TRUE to enable LPLU, FALSE to disable @@ -1314,12 +1669,11 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || (words == 0)) { hw_dbg(hw, "nvm parameter(s) out of bounds\n"); - return -E1000_ERR_NVM; + ret_val = -E1000_ERR_NVM; + goto out; } - ret_val = e1000_acquire_swflag_ich8lan(hw); - if (ret_val) - goto out; + nvm->ops.acquire_nvm(hw); ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); if (ret_val) { @@ -1345,7 +1699,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, } } - e1000_release_swflag_ich8lan(hw); + nvm->ops.release_nvm(hw); out: if (ret_val) @@ -1603,11 +1957,15 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, return -E1000_ERR_NVM; } + nvm->ops.acquire_nvm(hw); + for (i = 0; i < words; i++) { dev_spec->shadow_ram[offset+i].modified = 1; dev_spec->shadow_ram[offset+i].value = data[i]; } + nvm->ops.release_nvm(hw); + return 0; } @@ -1637,9 +1995,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) if (nvm->type != e1000_nvm_flash_sw) goto out; - ret_val = e1000_acquire_swflag_ich8lan(hw); - if (ret_val) - goto out; + nvm->ops.acquire_nvm(hw); /* * We're writing to the opposite bank so if we're on bank 1, @@ -1657,7 +2013,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) old_bank_offset = 0; ret_val = e1000_erase_flash_bank_ich8lan(hw, 1); if (ret_val) { - e1000_release_swflag_ich8lan(hw); + nvm->ops.release_nvm(hw); goto out; } } else { @@ -1665,7 +2021,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) new_bank_offset = 0; ret_val = e1000_erase_flash_bank_ich8lan(hw, 0); if (ret_val) { - e1000_release_swflag_ich8lan(hw); + nvm->ops.release_nvm(hw); goto out; } } @@ -1723,7 +2079,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) if (ret_val) { /* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */ hw_dbg(hw, "Flash commit failed.\n"); - e1000_release_swflag_ich8lan(hw); + nvm->ops.release_nvm(hw); goto out; } @@ -1736,7 +2092,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD; ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data); if (ret_val) { - e1000_release_swflag_ich8lan(hw); + nvm->ops.release_nvm(hw); goto out; } data &= 0xBFFF; @@ -1744,7 +2100,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) act_offset * 2 + 1, (u8)(data >> 8)); if (ret_val) { - e1000_release_swflag_ich8lan(hw); + nvm->ops.release_nvm(hw); goto out; } @@ -1757,7 +2113,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1; ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0); if (ret_val) { - e1000_release_swflag_ich8lan(hw); + nvm->ops.release_nvm(hw); goto out; } @@ -1767,7 +2123,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) dev_spec->shadow_ram[i].value = 0xFFFF; } - e1000_release_swflag_ich8lan(hw); + nvm->ops.release_nvm(hw); /* * Reload the EEPROM, or else modifications will not appear @@ -1831,14 +2187,12 @@ static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw) **/ void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw) { + struct e1000_nvm_info *nvm = &hw->nvm; union ich8_flash_protected_range pr0; union ich8_hws_flash_status hsfsts; u32 gfpreg; - s32 ret_val; - ret_val = e1000_acquire_swflag_ich8lan(hw); - if (ret_val) - return; + nvm->ops.acquire_nvm(hw); gfpreg = er32flash(ICH_FLASH_GFPREG); @@ -1859,7 +2213,7 @@ void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw) hsfsts.hsf_status.flockdn = true; ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval); - e1000_release_swflag_ich8lan(hw); + nvm->ops.release_nvm(hw); } /** @@ -2229,6 +2583,8 @@ static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw) **/ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) { + struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; + u16 reg; u32 ctrl, icr, kab; s32 ret_val; @@ -2263,6 +2619,18 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) ew32(PBS, E1000_PBS_16K); } + if (hw->mac.type == e1000_pchlan) { + /* Save the NVM K1 bit setting*/ + ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, ®); + if (ret_val) + return ret_val; + + if (reg & E1000_NVM_K1_ENABLE) + dev_spec->nvm_k1_enabled = true; + else + dev_spec->nvm_k1_enabled = false; + } + ctrl = er32(CTRL); if (!e1000_check_reset_block(hw)) { @@ -2304,7 +2672,19 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) hw_dbg(hw, "Auto Read Done did not complete\n"); } } + /* Dummy read to clear the phy wakeup bit after lcd reset */ + if (hw->mac.type == e1000_pchlan) + e1e_rphy(hw, BM_WUC, ®); + ret_val = e1000_sw_lcd_config_ich8lan(hw); + if (ret_val) + goto out; + + if (hw->mac.type == e1000_pchlan) { + ret_val = e1000_oem_bits_config_ich8lan(hw, true); + if (ret_val) + goto out; + } /* * For PCH, this write will make sure that any noise * will be detected as a CRC error and be dropped rather than show up @@ -2323,6 +2703,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) if (hw->mac.type == e1000_pchlan) ret_val = e1000_hv_phy_workarounds_ich8lan(hw); +out: return ret_val; } @@ -2627,14 +3008,6 @@ static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed, if (ret_val) return ret_val; - if ((hw->mac.type == e1000_pchlan) && (*speed == SPEED_1000)) { - ret_val = e1000e_write_kmrn_reg(hw, - E1000_KMRNCTRLSTA_K1_CONFIG, - E1000_KMRNCTRLSTA_K1_DISABLE); - if (ret_val) - return ret_val; - } - if ((hw->mac.type == e1000_ich8lan) && (hw->phy.type == e1000_phy_igp_3) && (*speed == SPEED_1000)) { @@ -2843,9 +3216,8 @@ void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw) E1000_PHY_CTRL_GBE_DISABLE; ew32(PHY_CTRL, phy_ctrl); - /* Workaround SWFLAG unexpectedly set during S0->Sx */ if (hw->mac.type == e1000_pchlan) - udelay(500); + e1000_phy_hw_reset_ich8lan(hw); default: break; } @@ -3113,9 +3485,9 @@ static struct e1000_phy_operations ich8_phy_ops = { }; static struct e1000_nvm_operations ich8_nvm_ops = { - .acquire_nvm = e1000_acquire_swflag_ich8lan, + .acquire_nvm = e1000_acquire_nvm_ich8lan, .read_nvm = e1000_read_nvm_ich8lan, - .release_nvm = e1000_release_swflag_ich8lan, + .release_nvm = e1000_release_nvm_ich8lan, .update_nvm = e1000_update_nvm_checksum_ich8lan, .valid_led_default = e1000_valid_led_default_ich8lan, .validate_nvm = e1000_validate_nvm_checksum_ich8lan, diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index 994401fd066..03175b3a2c9 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c @@ -95,13 +95,6 @@ static const u16 e1000_igp_2_cable_length_table[] = /* BM PHY Copper Specific Control 1 */ #define BM_CS_CTRL1 16 -/* BM PHY Copper Specific Status */ -#define BM_CS_STATUS 17 -#define BM_CS_STATUS_LINK_UP 0x0400 -#define BM_CS_STATUS_RESOLVED 0x0800 -#define BM_CS_STATUS_SPEED_MASK 0xC000 -#define BM_CS_STATUS_SPEED_1000 0x8000 - #define HV_MUX_DATA_CTRL PHY_REG(776, 16) #define HV_MUX_DATA_CTRL_GEN_TO_MAC 0x0400 #define HV_MUX_DATA_CTRL_FORCE_SPEED 0x0004 @@ -164,16 +157,25 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw) * MDIC mode. No harm in trying again in this case since * the PHY ID is unknown at this point anyway */ + ret_val = phy->ops.acquire_phy(hw); + if (ret_val) + goto out; ret_val = e1000_set_mdio_slow_mode_hv(hw, true); if (ret_val) goto out; + phy->ops.release_phy(hw); retry_count++; } out: /* Revert to MDIO fast mode, if applicable */ - if (retry_count) + if (retry_count) { + ret_val = phy->ops.acquire_phy(hw); + if (ret_val) + return ret_val; ret_val = e1000_set_mdio_slow_mode_hv(hw, false); + phy->ops.release_phy(hw); + } return ret_val; } @@ -354,94 +356,173 @@ s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data) } /** - * e1000e_read_phy_reg_igp - Read igp PHY register + * __e1000e_read_phy_reg_igp - Read igp PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data + * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary, then reads the PHY register at offset - * and storing the retrieved information in data. Release any acquired + * and stores the retrieved information in data. Release any acquired * semaphores before exiting. **/ -s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data) +static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data, + bool locked) { - s32 ret_val; + s32 ret_val = 0; - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - return ret_val; + if (!locked) { + if (!(hw->phy.ops.acquire_phy)) + goto out; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + goto out; + } if (offset > MAX_PHY_MULTI_PAGE_REG) { ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (u16)offset); - if (ret_val) { - hw->phy.ops.release_phy(hw); - return ret_val; - } + if (ret_val) + goto release; } ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, - data); - - hw->phy.ops.release_phy(hw); + data); +release: + if (!locked) + hw->phy.ops.release_phy(hw); +out: return ret_val; } /** + * e1000e_read_phy_reg_igp - Read igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore then reads the PHY register at offset and stores the + * retrieved information in data. + * Release the acquired semaphore before exiting. + **/ +s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data) +{ + return __e1000e_read_phy_reg_igp(hw, offset, data, false); +} + +/** + * e1000e_read_phy_reg_igp_locked - Read igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Reads the PHY register at offset and stores the retrieved information + * in data. Assumes semaphore already acquired. + **/ +s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data) +{ + return __e1000e_read_phy_reg_igp(hw, offset, data, true); +} + +/** * e1000e_write_phy_reg_igp - Write igp PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset + * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary, then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ -s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data) +static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data, + bool locked) { - s32 ret_val; + s32 ret_val = 0; - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - return ret_val; + if (!locked) { + if (!(hw->phy.ops.acquire_phy)) + goto out; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + goto out; + } if (offset > MAX_PHY_MULTI_PAGE_REG) { ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (u16)offset); - if (ret_val) { - hw->phy.ops.release_phy(hw); - return ret_val; - } + if (ret_val) + goto release; } ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); - hw->phy.ops.release_phy(hw); +release: + if (!locked) + hw->phy.ops.release_phy(hw); +out: return ret_val; } /** - * e1000e_read_kmrn_reg - Read kumeran register + * e1000e_write_phy_reg_igp - Write igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data) +{ + return __e1000e_write_phy_reg_igp(hw, offset, data, false); +} + +/** + * e1000e_write_phy_reg_igp_locked - Write igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Writes the data to PHY register at the offset. + * Assumes semaphore already acquired. + **/ +s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 data) +{ + return __e1000e_write_phy_reg_igp(hw, offset, data, true); +} + +/** + * __e1000_read_kmrn_reg - Read kumeran register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data + * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary. Then reads the PHY register at offset * using the kumeran interface. The information retrieved is stored in data. * Release any acquired semaphores before exiting. **/ -s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) +static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data, + bool locked) { u32 kmrnctrlsta; - s32 ret_val; + s32 ret_val = 0; - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - return ret_val; + if (!locked) { + if (!(hw->phy.ops.acquire_phy)) + goto out; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + goto out; + } kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) & E1000_KMRNCTRLSTA_OFFSET) | E1000_KMRNCTRLSTA_REN; @@ -452,41 +533,111 @@ s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) kmrnctrlsta = er32(KMRNCTRLSTA); *data = (u16)kmrnctrlsta; - hw->phy.ops.release_phy(hw); + if (!locked) + hw->phy.ops.release_phy(hw); +out: return ret_val; } /** - * e1000e_write_kmrn_reg - Write kumeran register + * e1000e_read_kmrn_reg - Read kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore then reads the PHY register at offset using the + * kumeran interface. The information retrieved is stored in data. + * Release the acquired semaphore before exiting. + **/ +s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) +{ + return __e1000_read_kmrn_reg(hw, offset, data, false); +} + +/** + * e1000e_read_kmrn_reg_locked - Read kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Reads the PHY register at offset using the kumeran interface. The + * information retrieved is stored in data. + * Assumes semaphore already acquired. + **/ +s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data) +{ + return __e1000_read_kmrn_reg(hw, offset, data, true); +} + +/** + * __e1000_write_kmrn_reg - Write kumeran register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset + * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary. Then write the data to PHY register * at the offset using the kumeran interface. Release any acquired semaphores * before exiting. **/ -s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) +static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data, + bool locked) { u32 kmrnctrlsta; - s32 ret_val; + s32 ret_val = 0; - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - return ret_val; + if (!locked) { + if (!(hw->phy.ops.acquire_phy)) + goto out; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + goto out; + } kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) & E1000_KMRNCTRLSTA_OFFSET) | data; ew32(KMRNCTRLSTA, kmrnctrlsta); udelay(2); - hw->phy.ops.release_phy(hw); + if (!locked) + hw->phy.ops.release_phy(hw); + +out: return ret_val; } /** + * e1000e_write_kmrn_reg - Write kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore then writes the data to the PHY register at the offset + * using the kumeran interface. Release the acquired semaphore before exiting. + **/ +s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) +{ + return __e1000_write_kmrn_reg(hw, offset, data, false); +} + +/** + * e1000e_write_kmrn_reg_locked - Write kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Write the data to PHY register at the offset using the kumeran interface. + * Assumes semaphore already acquired. + **/ +s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data) +{ + return __e1000_write_kmrn_reg(hw, offset, data, true); +} + +/** * e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link * @hw: pointer to the HW structure * @@ -2105,6 +2256,10 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data) u32 page = offset >> IGP_PAGE_SHIFT; u32 page_shift = 0; + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + /* Page 800 works differently than the rest so it has its own func */ if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data, @@ -2112,10 +2267,6 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data) goto out; } - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - goto out; - hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset); if (offset > MAX_PHY_MULTI_PAGE_REG) { @@ -2135,18 +2286,15 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data) /* Page is shifted left, PHY expects (page x 32) */ ret_val = e1000e_write_phy_reg_mdic(hw, page_select, (page << page_shift)); - if (ret_val) { - hw->phy.ops.release_phy(hw); + if (ret_val) goto out; - } } ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); - hw->phy.ops.release_phy(hw); - out: + hw->phy.ops.release_phy(hw); return ret_val; } @@ -2167,6 +2315,10 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data) u32 page = offset >> IGP_PAGE_SHIFT; u32 page_shift = 0; + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + /* Page 800 works differently than the rest so it has its own func */ if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data, @@ -2174,10 +2326,6 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data) goto out; } - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - goto out; - hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset); if (offset > MAX_PHY_MULTI_PAGE_REG) { @@ -2197,17 +2345,14 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data) /* Page is shifted left, PHY expects (page x 32) */ ret_val = e1000e_write_phy_reg_mdic(hw, page_select, (page << page_shift)); - if (ret_val) { - hw->phy.ops.release_phy(hw); + if (ret_val) goto out; - } } ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); - hw->phy.ops.release_phy(hw); - out: + hw->phy.ops.release_phy(hw); return ret_val; } @@ -2226,17 +2371,17 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data) s32 ret_val; u16 page = (u16)(offset >> IGP_PAGE_SHIFT); + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + /* Page 800 works differently than the rest so it has its own func */ if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data, true); - return ret_val; + goto out; } - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - return ret_val; - hw->phy.addr = 1; if (offset > MAX_PHY_MULTI_PAGE_REG) { @@ -2245,16 +2390,14 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data) ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT, page); - if (ret_val) { - hw->phy.ops.release_phy(hw); - return ret_val; - } + if (ret_val) + goto out; } ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); +out: hw->phy.ops.release_phy(hw); - return ret_val; } @@ -2272,17 +2415,17 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data) s32 ret_val; u16 page = (u16)(offset >> IGP_PAGE_SHIFT); + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + /* Page 800 works differently than the rest so it has its own func */ if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data, false); - return ret_val; + goto out; } - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - return ret_val; - hw->phy.addr = 1; if (offset > MAX_PHY_MULTI_PAGE_REG) { @@ -2290,17 +2433,15 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data) ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT, page); - if (ret_val) { - hw->phy.ops.release_phy(hw); - return ret_val; - } + if (ret_val) + goto out; } ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); +out: hw->phy.ops.release_phy(hw); - return ret_val; } @@ -2320,6 +2461,8 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data) * 3) Write the address using the address opcode (0x11) * 4) Read or write the data using the data opcode (0x12) * 5) Restore 769_17.2 to its original value + * + * Assumes semaphore already acquired. **/ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data, bool read) @@ -2327,20 +2470,12 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, s32 ret_val; u16 reg = BM_PHY_REG_NUM(offset); u16 phy_reg = 0; - u8 phy_acquired = 1; - /* Gig must be disabled for MDIO accesses to page 800 */ if ((hw->mac.type == e1000_pchlan) && (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE))) hw_dbg(hw, "Attempting to access page 800 while gig enabled\n"); - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) { - phy_acquired = 0; - goto out; - } - /* All operations in this function are phy address 1 */ hw->phy.addr = 1; @@ -2397,8 +2532,6 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg); out: - if (phy_acquired == 1) - hw->phy.ops.release_phy(hw); return ret_val; } @@ -2439,52 +2572,63 @@ static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active) return 0; } +/** + * e1000_set_mdio_slow_mode_hv - Set slow MDIO access mode + * @hw: pointer to the HW structure + * @slow: true for slow mode, false for normal mode + * + * Assumes semaphore already acquired. + **/ s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw, bool slow) { s32 ret_val = 0; u16 data = 0; - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - return ret_val; - /* Set MDIO mode - page 769, register 16: 0x2580==slow, 0x2180==fast */ hw->phy.addr = 1; ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT)); - if (ret_val) { - hw->phy.ops.release_phy(hw); - return ret_val; - } + if (ret_val) + goto out; + ret_val = e1000e_write_phy_reg_mdic(hw, BM_CS_CTRL1, (0x2180 | (slow << 10))); + if (ret_val) + goto out; /* dummy read when reverting to fast mode - throw away result */ if (!slow) - e1000e_read_phy_reg_mdic(hw, BM_CS_CTRL1, &data); - - hw->phy.ops.release_phy(hw); + ret_val = e1000e_read_phy_reg_mdic(hw, BM_CS_CTRL1, &data); +out: return ret_val; } /** - * e1000_read_phy_reg_hv - Read HV PHY register + * __e1000_read_phy_reg_hv - Read HV PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data + * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary, then reads the PHY register at offset - * and storing the retrieved information in data. Release any acquired + * and stores the retrieved information in data. Release any acquired * semaphore before exiting. **/ -s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data) +static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data, + bool locked) { s32 ret_val; u16 page = BM_PHY_REG_PAGE(offset); u16 reg = BM_PHY_REG_NUM(offset); bool in_slow_mode = false; + if (!locked) { + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + } + /* Workaround failure in MDIO access while cable is disconnected */ if ((hw->phy.type == e1000_phy_82577) && !(er32(STATUS) & E1000_STATUS_LU)) { @@ -2508,10 +2652,6 @@ s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data) goto out; } - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - goto out; - hw->phy.addr = e1000_get_phy_addr_for_hv_page(page); if (page == HV_INTC_FC_PAGE_START) @@ -2529,42 +2669,76 @@ s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data) ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (page << IGP_PAGE_SHIFT)); - if (ret_val) { - hw->phy.ops.release_phy(hw); - goto out; - } hw->phy.addr = phy_addr; } } ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg, data); - hw->phy.ops.release_phy(hw); - out: /* Revert to MDIO fast mode, if applicable */ if ((hw->phy.type == e1000_phy_82577) && in_slow_mode) ret_val = e1000_set_mdio_slow_mode_hv(hw, false); + if (!locked) + hw->phy.ops.release_phy(hw); + return ret_val; } /** - * e1000_write_phy_reg_hv - Write HV PHY register + * e1000_read_phy_reg_hv - Read HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore then reads the PHY register at offset and stores + * the retrieved information in data. Release the acquired semaphore + * before exiting. + **/ +s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data) +{ + return __e1000_read_phy_reg_hv(hw, offset, data, false); +} + +/** + * e1000_read_phy_reg_hv_locked - Read HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Reads the PHY register at offset and stores the retrieved information + * in data. Assumes semaphore already acquired. + **/ +s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 *data) +{ + return __e1000_read_phy_reg_hv(hw, offset, data, true); +} + +/** + * __e1000_write_phy_reg_hv - Write HV PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset + * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary, then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ -s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data) +static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data, + bool locked) { s32 ret_val; u16 page = BM_PHY_REG_PAGE(offset); u16 reg = BM_PHY_REG_NUM(offset); bool in_slow_mode = false; + if (!locked) { + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + } + /* Workaround failure in MDIO access while cable is disconnected */ if ((hw->phy.type == e1000_phy_82577) && !(er32(STATUS) & E1000_STATUS_LU)) { @@ -2588,10 +2762,6 @@ s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data) goto out; } - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - goto out; - hw->phy.addr = e1000_get_phy_addr_for_hv_page(page); if (page == HV_INTC_FC_PAGE_START) @@ -2607,15 +2777,10 @@ s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data) ((MAX_PHY_REG_ADDRESS & reg) == 0) && (data & (1 << 11))) { u16 data2 = 0x7EFF; - hw->phy.ops.release_phy(hw); ret_val = e1000_access_phy_debug_regs_hv(hw, (1 << 6) | 0x3, &data2, false); if (ret_val) goto out; - - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) - goto out; } if (reg > MAX_PHY_MULTI_PAGE_REG) { @@ -2630,27 +2795,53 @@ s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data) ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (page << IGP_PAGE_SHIFT)); - if (ret_val) { - hw->phy.ops.release_phy(hw); - goto out; - } hw->phy.addr = phy_addr; } } ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg, data); - hw->phy.ops.release_phy(hw); out: /* Revert to MDIO fast mode, if applicable */ if ((hw->phy.type == e1000_phy_82577) && in_slow_mode) ret_val = e1000_set_mdio_slow_mode_hv(hw, false); + if (!locked) + hw->phy.ops.release_phy(hw); + return ret_val; } /** + * e1000_write_phy_reg_hv - Write HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore then writes the data to PHY register at the offset. + * Release the acquired semaphores before exiting. + **/ +s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data) +{ + return __e1000_write_phy_reg_hv(hw, offset, data, false); +} + +/** + * e1000_write_phy_reg_hv_locked - Write HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Writes the data to PHY register at the offset. Assumes semaphore + * already acquired. + **/ +s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 data) +{ + return __e1000_write_phy_reg_hv(hw, offset, data, true); +} + +/** * e1000_get_phy_addr_for_hv_page - Get PHY adrress based on page * @page: page to be accessed **/ @@ -2671,10 +2862,9 @@ static u32 e1000_get_phy_addr_for_hv_page(u32 page) * @data: pointer to the data to be read or written * @read: determines if operation is read or written * - * Acquires semaphore, if necessary, then reads the PHY register at offset - * and storing the retreived information in data. Release any acquired - * semaphores before exiting. Note that the procedure to read these regs - * uses the address port and data port to read/write. + * Reads the PHY register at offset and stores the retreived information + * in data. Assumes semaphore already acquired. Note that the procedure + * to read these regs uses the address port and data port to read/write. **/ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, u16 *data, bool read) @@ -2682,20 +2872,12 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, s32 ret_val; u32 addr_reg = 0; u32 data_reg = 0; - u8 phy_acquired = 1; /* This takes care of the difference with desktop vs mobile phy */ addr_reg = (hw->phy.type == e1000_phy_82578) ? I82578_ADDR_REG : I82577_ADDR_REG; data_reg = addr_reg + 1; - ret_val = hw->phy.ops.acquire_phy(hw); - if (ret_val) { - hw_dbg(hw, "Could not acquire PHY\n"); - phy_acquired = 0; - goto out; - } - /* All operations in this function are phy address 2 */ hw->phy.addr = 2; @@ -2718,8 +2900,6 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, } out: - if (phy_acquired == 1) - hw->phy.ops.release_phy(hw); return ret_val; } diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 801f088c134..030913f8bd2 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -98,12 +98,13 @@ static void ri_tasklet(unsigned long dev) stats->tx_packets++; stats->tx_bytes +=skb->len; - skb->dev = __dev_get_by_index(&init_net, skb->iif); + skb->dev = dev_get_by_index(&init_net, skb->iif); if (!skb->dev) { dev_kfree_skb(skb); stats->tx_dropped++; break; } + dev_put(skb->dev); skb->iif = _dev->ifindex; if (from & AT_EGRESS) { diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c index deaea8fa103..b243ed3b0c3 100644 --- a/drivers/net/igb/igb_ethtool.c +++ b/drivers/net/igb/igb_ethtool.c @@ -732,7 +732,7 @@ static int igb_set_ringparam(struct net_device *netdev, { struct igb_adapter *adapter = netdev_priv(netdev); struct igb_ring *temp_ring; - int i, err; + int i, err = 0; u32 new_rx_count, new_tx_count; if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) @@ -752,18 +752,30 @@ static int igb_set_ringparam(struct net_device *netdev, return 0; } + while (test_and_set_bit(__IGB_RESETTING, &adapter->state)) + msleep(1); + + if (!netif_running(adapter->netdev)) { + for (i = 0; i < adapter->num_tx_queues; i++) + adapter->tx_ring[i].count = new_tx_count; + for (i = 0; i < adapter->num_rx_queues; i++) + adapter->rx_ring[i].count = new_rx_count; + adapter->tx_ring_count = new_tx_count; + adapter->rx_ring_count = new_rx_count; + goto clear_reset; + } + if (adapter->num_tx_queues > adapter->num_rx_queues) temp_ring = vmalloc(adapter->num_tx_queues * sizeof(struct igb_ring)); else temp_ring = vmalloc(adapter->num_rx_queues * sizeof(struct igb_ring)); - if (!temp_ring) - return -ENOMEM; - while (test_and_set_bit(__IGB_RESETTING, &adapter->state)) - msleep(1); + if (!temp_ring) { + err = -ENOMEM; + goto clear_reset; + } - if (netif_running(adapter->netdev)) - igb_down(adapter); + igb_down(adapter); /* * We can't just free everything and then setup again, @@ -820,14 +832,11 @@ static int igb_set_ringparam(struct net_device *netdev, adapter->rx_ring_count = new_rx_count; } - - err = 0; err_setup: - if (netif_running(adapter->netdev)) - igb_up(adapter); - - clear_bit(__IGB_RESETTING, &adapter->state); + igb_up(adapter); vfree(temp_ring); +clear_reset: + clear_bit(__IGB_RESETTING, &adapter->state); return err; } diff --git a/drivers/net/igbvf/ethtool.c b/drivers/net/igbvf/ethtool.c index ee17a097d1c..c68265bd0d1 100644 --- a/drivers/net/igbvf/ethtool.c +++ b/drivers/net/igbvf/ethtool.c @@ -279,7 +279,7 @@ static int igbvf_set_ringparam(struct net_device *netdev, { struct igbvf_adapter *adapter = netdev_priv(netdev); struct igbvf_ring *temp_ring; - int err; + int err = 0; u32 new_rx_count, new_tx_count; if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) @@ -299,15 +299,22 @@ static int igbvf_set_ringparam(struct net_device *netdev, return 0; } - temp_ring = vmalloc(sizeof(struct igbvf_ring)); - if (!temp_ring) - return -ENOMEM; - while (test_and_set_bit(__IGBVF_RESETTING, &adapter->state)) msleep(1); - if (netif_running(adapter->netdev)) - igbvf_down(adapter); + if (!netif_running(adapter->netdev)) { + adapter->tx_ring->count = new_tx_count; + adapter->rx_ring->count = new_rx_count; + goto clear_reset; + } + + temp_ring = vmalloc(sizeof(struct igbvf_ring)); + if (!temp_ring) { + err = -ENOMEM; + goto clear_reset; + } + + igbvf_down(adapter); /* * We can't just free everything and then setup again, @@ -339,14 +346,11 @@ static int igbvf_set_ringparam(struct net_device *netdev, memcpy(adapter->rx_ring, temp_ring,sizeof(struct igbvf_ring)); } - - err = 0; err_setup: - if (netif_running(adapter->netdev)) - igbvf_up(adapter); - - clear_bit(__IGBVF_RESETTING, &adapter->state); + igbvf_up(adapter); vfree(temp_ring); +clear_reset: + clear_bit(__IGBVF_RESETTING, &adapter->state); return err; } diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index fa314cb005a..856c18c207f 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -798,7 +798,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev, { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_ring *temp_tx_ring, *temp_rx_ring; - int i, err; + int i, err = 0; u32 new_rx_count, new_tx_count; bool need_update = false; @@ -822,6 +822,16 @@ static int ixgbe_set_ringparam(struct net_device *netdev, while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) msleep(1); + if (!netif_running(adapter->netdev)) { + for (i = 0; i < adapter->num_tx_queues; i++) + adapter->tx_ring[i].count = new_tx_count; + for (i = 0; i < adapter->num_rx_queues; i++) + adapter->rx_ring[i].count = new_rx_count; + adapter->tx_ring_count = new_tx_count; + adapter->rx_ring_count = new_rx_count; + goto err_setup; + } + temp_tx_ring = kcalloc(adapter->num_tx_queues, sizeof(struct ixgbe_ring), GFP_KERNEL); if (!temp_tx_ring) { @@ -879,8 +889,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev, /* if rings need to be updated, here's the place to do it in one shot */ if (need_update) { - if (netif_running(netdev)) - ixgbe_down(adapter); + ixgbe_down(adapter); /* tx */ if (new_tx_count != adapter->tx_ring_count) { @@ -897,13 +906,8 @@ static int ixgbe_set_ringparam(struct net_device *netdev, temp_rx_ring = NULL; adapter->rx_ring_count = new_rx_count; } - } - - /* success! */ - err = 0; - if (netif_running(netdev)) ixgbe_up(adapter); - + } err_setup: clear_bit(__IXGBE_RESETTING, &adapter->state); return err; diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c index 5dd7225b178..291a505fd4f 100644 --- a/drivers/net/mlx4/main.c +++ b/drivers/net/mlx4/main.c @@ -1282,6 +1282,7 @@ static struct pci_device_id mlx4_pci_table[] = { { PCI_VDEVICE(MELLANOX, 0x6372) }, /* MT25458 ConnectX EN 10GBASE-T 10GigE */ { PCI_VDEVICE(MELLANOX, 0x675a) }, /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */ { PCI_VDEVICE(MELLANOX, 0x6764) }, /* MT26468 ConnectX EN 10GigE PCIe gen2*/ + { PCI_VDEVICE(MELLANOX, 0x6746) }, /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */ { PCI_VDEVICE(MELLANOX, 0x676e) }, /* MT26478 ConnectX2 40GigE PCIe gen2 */ { 0, } }; diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 6930c87f362..f3624517cb0 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -75,7 +75,7 @@ #include "myri10ge_mcp.h" #include "myri10ge_mcp_gen_header.h" -#define MYRI10GE_VERSION_STR "1.5.0-1.432" +#define MYRI10GE_VERSION_STR "1.5.1-1.451" MODULE_DESCRIPTION("Myricom 10G driver (10GbE)"); MODULE_AUTHOR("Maintainer: help@myri.com"); @@ -1624,10 +1624,21 @@ myri10ge_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) return 0; } } - if (*ptr == 'R' || *ptr == 'Q') { - /* We've found either an XFP or quad ribbon fiber */ + if (*ptr == '2') + ptr++; + if (*ptr == 'R' || *ptr == 'Q' || *ptr == 'S') { + /* We've found either an XFP, quad ribbon fiber, or SFP+ */ cmd->port = PORT_FIBRE; + cmd->supported |= SUPPORTED_FIBRE; + cmd->advertising |= ADVERTISED_FIBRE; + } else { + cmd->port = PORT_OTHER; } + if (*ptr == 'R' || *ptr == 'S') + cmd->transceiver = XCVR_EXTERNAL; + else + cmd->transceiver = XCVR_INTERNAL; + return 0; } diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h index 7a7177421d7..1c46da63212 100644 --- a/drivers/net/netxen/netxen_nic_hdr.h +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -419,6 +419,7 @@ enum { #define NETXEN_CRB_ROMUSB \ NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_ROMUSB) #define NETXEN_CRB_I2Q NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_I2Q) +#define NETXEN_CRB_I2C0 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_I2C0) #define NETXEN_CRB_SMB NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_SMB) #define NETXEN_CRB_MAX NETXEN_PCI_CRB_WINDOW(64) diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 32314000dfc..3185a98b091 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -1901,22 +1901,16 @@ netxen_setup_hwops(struct netxen_adapter *adapter) int netxen_nic_get_board_info(struct netxen_adapter *adapter) { - int offset, board_type, magic, header_version; + int offset, board_type, magic; struct pci_dev *pdev = adapter->pdev; offset = NX_FW_MAGIC_OFFSET; if (netxen_rom_fast_read(adapter, offset, &magic)) return -EIO; - offset = NX_HDR_VERSION_OFFSET; - if (netxen_rom_fast_read(adapter, offset, &header_version)) - return -EIO; - - if (magic != NETXEN_BDINFO_MAGIC || - header_version != NETXEN_BDINFO_VERSION) { - dev_err(&pdev->dev, - "invalid board config, magic=%08x, version=%08x\n", - magic, header_version); + if (magic != NETXEN_BDINFO_MAGIC) { + dev_err(&pdev->dev, "invalid board config, magic=%08x\n", + magic); return -EIO; } diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 91c2bc61c8e..e40b914d6fa 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -531,6 +531,8 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) continue; if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { + if (off == (NETXEN_CRB_I2C0 + 0x1c)) + continue; /* do not reset PCI */ if (off == (ROMUSB_GLB + 0xbc)) continue; @@ -553,12 +555,6 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) continue; } - if (off == NETXEN_ADDR_ERROR) { - printk(KERN_ERR "%s: Err: Unknown addr: 0x%08x\n", - netxen_nic_driver_name, buf[i].addr); - continue; - } - init_delay = 1; /* After writing this register, HW needs time for CRB */ /* to quiet down (else crb_window returns 0xffffffff) */ diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 7fc15e9e8ad..0b4a56a8c8d 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -1919,6 +1919,7 @@ static void netxen_tx_timeout_task(struct work_struct *work) request_reset: adapter->need_fw_reset = 1; + clear_bit(__NX_RESETTING, &adapter->state); } struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index bd3447f0490..94c9ad2746b 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -1760,7 +1760,7 @@ static struct pcmcia_device_id pcnet_ids[] = { PCMCIA_DEVICE_CIS_MANF_CARD(0xc00f, 0x0002, "cis/LA-PCM.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("KTI", "PE520 PLUS", 0xad180345, 0x9d58d392, "PE520.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("NDC", "Ethernet", 0x01c43ae1, 0x00b2e941, "cis/NE2K.cis"), - PCMCIA_DEVICE_CIS_PROD_ID12("PMX ", "PE-200", 0x34f3f1c8, 0x10b59f8c, "PE-200.cis"), + PCMCIA_DEVICE_CIS_PROD_ID12("PMX ", "PE-200", 0x34f3f1c8, 0x10b59f8c, "cis/PE-200.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("TAMARACK", "Ethernet", 0xcf434fba, 0x00b2e941, "cis/tamarack.cis"), PCMCIA_DEVICE_PROD_ID12("Ethernet", "CF Size PC Card", 0x00b2e941, 0x43ac239b), PCMCIA_DEVICE_PROD_ID123("Fast Ethernet", "CF Size PC Card", "1.0", diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c index 7cbf6f9b51d..2559991eea6 100644 --- a/drivers/net/pppoe.c +++ b/drivers/net/pppoe.c @@ -111,9 +111,6 @@ struct pppoe_net { rwlock_t hash_lock; }; -/* to eliminate a race btw pppoe_flush_dev and pppoe_release */ -static DEFINE_SPINLOCK(flush_lock); - /* * PPPoE could be in the following stages: * 1) Discovery stage (to obtain remote MAC and Session ID) @@ -303,45 +300,48 @@ static void pppoe_flush_dev(struct net_device *dev) write_lock_bh(&pn->hash_lock); for (i = 0; i < PPPOE_HASH_SIZE; i++) { struct pppox_sock *po = pn->hash_table[i]; + struct sock *sk; - while (po != NULL) { - struct sock *sk; - if (po->pppoe_dev != dev) { + while (po) { + while (po && po->pppoe_dev != dev) { po = po->next; - continue; } + + if (!po) + break; + sk = sk_pppox(po); - spin_lock(&flush_lock); - po->pppoe_dev = NULL; - spin_unlock(&flush_lock); - dev_put(dev); /* We always grab the socket lock, followed by the - * hash_lock, in that order. Since we should - * hold the sock lock while doing any unbinding, - * we need to release the lock we're holding. - * Hold a reference to the sock so it doesn't disappear - * as we're jumping between locks. + * hash_lock, in that order. Since we should hold the + * sock lock while doing any unbinding, we need to + * release the lock we're holding. Hold a reference to + * the sock so it doesn't disappear as we're jumping + * between locks. */ sock_hold(sk); - write_unlock_bh(&pn->hash_lock); lock_sock(sk); - if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) { + if (po->pppoe_dev == dev + && sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) { pppox_unbind_sock(sk); sk->sk_state = PPPOX_ZOMBIE; sk->sk_state_change(sk); + po->pppoe_dev = NULL; + dev_put(dev); } release_sock(sk); sock_put(sk); - /* Restart scan at the beginning of this hash chain. - * While the lock was dropped the chain contents may - * have changed. + /* Restart the process from the start of the current + * hash chain. We dropped locks so the world may have + * change from underneath us. */ + + BUG_ON(pppoe_pernet(dev_net(dev)) == NULL); write_lock_bh(&pn->hash_lock); po = pn->hash_table[i]; } @@ -388,11 +388,16 @@ static int pppoe_rcv_core(struct sock *sk, struct sk_buff *skb) struct pppox_sock *po = pppox_sk(sk); struct pppox_sock *relay_po; + /* Backlog receive. Semantics of backlog rcv preclude any code from + * executing in lock_sock()/release_sock() bounds; meaning sk->sk_state + * can't change. + */ + if (sk->sk_state & PPPOX_BOUND) { ppp_input(&po->chan, skb); } else if (sk->sk_state & PPPOX_RELAY) { - relay_po = get_item_by_addr(dev_net(po->pppoe_dev), - &po->pppoe_relay); + relay_po = get_item_by_addr(sock_net(sk), + &po->pppoe_relay); if (relay_po == NULL) goto abort_kfree; @@ -447,6 +452,10 @@ static int pppoe_rcv(struct sk_buff *skb, struct net_device *dev, goto drop; pn = pppoe_pernet(dev_net(dev)); + + /* Note that get_item does a sock_hold(), so sk_pppox(po) + * is known to be safe. + */ po = get_item(pn, ph->sid, eth_hdr(skb)->h_source, dev->ifindex); if (!po) goto drop; @@ -561,6 +570,7 @@ static int pppoe_release(struct socket *sock) struct sock *sk = sock->sk; struct pppox_sock *po; struct pppoe_net *pn; + struct net *net = NULL; if (!sk) return 0; @@ -571,44 +581,28 @@ static int pppoe_release(struct socket *sock) return -EBADF; } + po = pppox_sk(sk); + + if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) { + dev_put(po->pppoe_dev); + po->pppoe_dev = NULL; + } + pppox_unbind_sock(sk); /* Signal the death of the socket. */ sk->sk_state = PPPOX_DEAD; - /* - * pppoe_flush_dev could lead to a race with - * this routine so we use flush_lock to eliminate - * such a case (we only need per-net specific data) - */ - spin_lock(&flush_lock); - po = pppox_sk(sk); - if (!po->pppoe_dev) { - spin_unlock(&flush_lock); - goto out; - } - pn = pppoe_pernet(dev_net(po->pppoe_dev)); - spin_unlock(&flush_lock); + net = sock_net(sk); + pn = pppoe_pernet(net); /* * protect "po" from concurrent updates * on pppoe_flush_dev */ - write_lock_bh(&pn->hash_lock); + delete_item(pn, po->pppoe_pa.sid, po->pppoe_pa.remote, + po->pppoe_ifindex); - po = pppox_sk(sk); - if (stage_session(po->pppoe_pa.sid)) - __delete_item(pn, po->pppoe_pa.sid, po->pppoe_pa.remote, - po->pppoe_ifindex); - - if (po->pppoe_dev) { - dev_put(po->pppoe_dev); - po->pppoe_dev = NULL; - } - - write_unlock_bh(&pn->hash_lock); - -out: sock_orphan(sk); sock->sk = NULL; @@ -625,8 +619,9 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, struct sock *sk = sock->sk; struct sockaddr_pppox *sp = (struct sockaddr_pppox *)uservaddr; struct pppox_sock *po = pppox_sk(sk); - struct net_device *dev; + struct net_device *dev = NULL; struct pppoe_net *pn; + struct net *net = NULL; int error; lock_sock(sk); @@ -652,12 +647,14 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, /* Delete the old binding */ if (stage_session(po->pppoe_pa.sid)) { pppox_unbind_sock(sk); + pn = pppoe_pernet(sock_net(sk)); + delete_item(pn, po->pppoe_pa.sid, + po->pppoe_pa.remote, po->pppoe_ifindex); if (po->pppoe_dev) { - pn = pppoe_pernet(dev_net(po->pppoe_dev)); - delete_item(pn, po->pppoe_pa.sid, - po->pppoe_pa.remote, po->pppoe_ifindex); dev_put(po->pppoe_dev); + po->pppoe_dev = NULL; } + memset(sk_pppox(po) + 1, 0, sizeof(struct pppox_sock) - sizeof(struct sock)); sk->sk_state = PPPOX_NONE; @@ -666,16 +663,15 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, /* Re-bind in session stage only */ if (stage_session(sp->sa_addr.pppoe.sid)) { error = -ENODEV; - dev = dev_get_by_name(sock_net(sk), sp->sa_addr.pppoe.dev); + net = sock_net(sk); + dev = dev_get_by_name(net, sp->sa_addr.pppoe.dev); if (!dev) - goto end; + goto err_put; po->pppoe_dev = dev; po->pppoe_ifindex = dev->ifindex; - pn = pppoe_pernet(dev_net(dev)); - write_lock_bh(&pn->hash_lock); + pn = pppoe_pernet(net); if (!(dev->flags & IFF_UP)) { - write_unlock_bh(&pn->hash_lock); goto err_put; } @@ -683,6 +679,7 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, &sp->sa_addr.pppoe, sizeof(struct pppoe_addr)); + write_lock_bh(&pn->hash_lock); error = __set_item(pn, po); write_unlock_bh(&pn->hash_lock); if (error < 0) @@ -696,8 +693,11 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, po->chan.ops = &pppoe_chan_ops; error = ppp_register_net_channel(dev_net(dev), &po->chan); - if (error) + if (error) { + delete_item(pn, po->pppoe_pa.sid, + po->pppoe_pa.remote, po->pppoe_ifindex); goto err_put; + } sk->sk_state = PPPOX_CONNECTED; } @@ -915,6 +915,14 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb) struct pppoe_hdr *ph; int data_len = skb->len; + /* The higher-level PPP code (ppp_unregister_channel()) ensures the PPP + * xmit operations conclude prior to an unregistration call. Thus + * sk->sk_state cannot change, so we don't need to do lock_sock(). + * But, we also can't do a lock_sock since that introduces a potential + * deadlock as we'd reverse the lock ordering used when calling + * ppp_unregister_channel(). + */ + if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED)) goto abort; @@ -944,7 +952,6 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb) po->pppoe_pa.remote, NULL, data_len); dev_queue_xmit(skb); - return 1; abort: diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index e7285f01bd0..c2383adcd52 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -95,6 +95,7 @@ enum { /* Misc. stuff */ MAILBOX_COUNT = 16, + MAILBOX_TIMEOUT = 5, PROC_ADDR_RDY = (1 << 31), PROC_ADDR_R = (1 << 30), diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 48b45df85ec..cea7531f4f4 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -3916,6 +3916,7 @@ static int __devinit ql_init_device(struct pci_dev *pdev, goto err_out; } + pci_save_state(pdev); qdev->reg_base = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); @@ -4070,6 +4071,33 @@ static void __devexit qlge_remove(struct pci_dev *pdev) free_netdev(ndev); } +/* Clean up resources without touching hardware. */ +static void ql_eeh_close(struct net_device *ndev) +{ + int i; + struct ql_adapter *qdev = netdev_priv(ndev); + + if (netif_carrier_ok(ndev)) { + netif_carrier_off(ndev); + netif_stop_queue(ndev); + } + + if (test_bit(QL_ADAPTER_UP, &qdev->flags)) + cancel_delayed_work_sync(&qdev->asic_reset_work); + cancel_delayed_work_sync(&qdev->mpi_reset_work); + cancel_delayed_work_sync(&qdev->mpi_work); + cancel_delayed_work_sync(&qdev->mpi_idc_work); + cancel_delayed_work_sync(&qdev->mpi_port_cfg_work); + + for (i = 0; i < qdev->rss_ring_count; i++) + netif_napi_del(&qdev->rx_ring[i].napi); + + clear_bit(QL_ADAPTER_UP, &qdev->flags); + ql_tx_ring_clean(qdev); + ql_free_rx_buffers(qdev); + ql_release_adapter_resources(qdev); +} + /* * This callback is called by the PCI subsystem whenever * a PCI bus error is detected. @@ -4078,17 +4106,21 @@ static pci_ers_result_t qlge_io_error_detected(struct pci_dev *pdev, enum pci_channel_state state) { struct net_device *ndev = pci_get_drvdata(pdev); - struct ql_adapter *qdev = netdev_priv(ndev); - - netif_device_detach(ndev); - if (state == pci_channel_io_perm_failure) + switch (state) { + case pci_channel_io_normal: + return PCI_ERS_RESULT_CAN_RECOVER; + case pci_channel_io_frozen: + netif_device_detach(ndev); + if (netif_running(ndev)) + ql_eeh_close(ndev); + pci_disable_device(pdev); + return PCI_ERS_RESULT_NEED_RESET; + case pci_channel_io_perm_failure: + dev_err(&pdev->dev, + "%s: pci_channel_io_perm_failure.\n", __func__); return PCI_ERS_RESULT_DISCONNECT; - - if (netif_running(ndev)) - ql_adapter_down(qdev); - - pci_disable_device(pdev); + } /* Request a slot reset. */ return PCI_ERS_RESULT_NEED_RESET; @@ -4105,25 +4137,15 @@ static pci_ers_result_t qlge_io_slot_reset(struct pci_dev *pdev) struct net_device *ndev = pci_get_drvdata(pdev); struct ql_adapter *qdev = netdev_priv(ndev); + pdev->error_state = pci_channel_io_normal; + + pci_restore_state(pdev); if (pci_enable_device(pdev)) { QPRINTK(qdev, IFUP, ERR, "Cannot re-enable PCI device after reset.\n"); return PCI_ERS_RESULT_DISCONNECT; } - pci_set_master(pdev); - - netif_carrier_off(ndev); - ql_adapter_reset(qdev); - - /* Make sure the EEPROM is good */ - memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len); - - if (!is_valid_ether_addr(ndev->perm_addr)) { - QPRINTK(qdev, IFUP, ERR, "After reset, invalid MAC address.\n"); - return PCI_ERS_RESULT_DISCONNECT; - } - return PCI_ERS_RESULT_RECOVERED; } @@ -4131,17 +4153,21 @@ static void qlge_io_resume(struct pci_dev *pdev) { struct net_device *ndev = pci_get_drvdata(pdev); struct ql_adapter *qdev = netdev_priv(ndev); + int err = 0; - pci_set_master(pdev); - + if (ql_adapter_reset(qdev)) + QPRINTK(qdev, DRV, ERR, "reset FAILED!\n"); if (netif_running(ndev)) { - if (ql_adapter_up(qdev)) { + err = qlge_open(ndev); + if (err) { QPRINTK(qdev, IFUP, ERR, "Device initialization failed after reset.\n"); return; } + } else { + QPRINTK(qdev, IFUP, ERR, + "Device was not running prior to EEH.\n"); } - netif_device_attach(ndev); } diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c index 99e58e3f8e2..bcf13c96f73 100644 --- a/drivers/net/qlge/qlge_mpi.c +++ b/drivers/net/qlge/qlge_mpi.c @@ -470,7 +470,8 @@ end: */ static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp) { - int status, count; + int status; + unsigned long count; /* Begin polled mode for MPI */ @@ -491,9 +492,9 @@ static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp) /* Wait for the command to complete. We loop * here because some AEN might arrive while * we're waiting for the mailbox command to - * complete. If more than 5 arrive then we can + * complete. If more than 5 seconds expire we can * assume something is wrong. */ - count = 5; + count = jiffies + HZ * MAILBOX_TIMEOUT; do { /* Wait for the interrupt to come in. */ status = ql_wait_mbx_cmd_cmplt(qdev); @@ -517,15 +518,15 @@ static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp) MB_CMD_STS_GOOD) || ((mbcp->mbox_out[0] & 0x0000f000) == MB_CMD_STS_INTRMDT)) - break; - } while (--count); + goto done; + } while (time_before(jiffies, count)); - if (!count) { - QPRINTK(qdev, DRV, ERR, - "Timed out waiting for mailbox complete.\n"); - status = -ETIMEDOUT; - goto end; - } + QPRINTK(qdev, DRV, ERR, + "Timed out waiting for mailbox complete.\n"); + status = -ETIMEDOUT; + goto end; + +done: /* Now we can clear the interrupt condition * and look at our status. diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 83c47d95c3a..fa493567848 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1029,7 +1029,10 @@ static void rtl8169_vlan_rx_register(struct net_device *dev, spin_lock_irqsave(&tp->lock, flags); tp->vlgrp = grp; - if (tp->vlgrp) + /* + * Do not disable RxVlan on 8110SCd. + */ + if (tp->vlgrp || (tp->mac_version == RTL_GIGA_MAC_VER_05)) tp->cp_cmd |= RxVlan; else tp->cp_cmd &= ~RxVlan; @@ -3197,6 +3200,14 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } rtl8169_init_phy(dev, tp); + + /* + * Pretend we are using VLANs; This bypasses a nasty bug where + * Interrupts stop flowing on high load on 8110SCd controllers. + */ + if (tp->mac_version == RTL_GIGA_MAC_VER_05) + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | RxVlan); + device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL); out: @@ -3368,7 +3379,7 @@ static u16 rtl_rw_cpluscmd(void __iomem *ioaddr) static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz) { /* Low hurts. Let's disable the filtering. */ - RTL_W16(RxMaxSize, rx_buf_sz); + RTL_W16(RxMaxSize, rx_buf_sz + 1); } static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version) diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c index 01f9432c31e..98bff5ada09 100644 --- a/drivers/net/sfc/rx.c +++ b/drivers/net/sfc/rx.c @@ -444,7 +444,8 @@ static void efx_rx_packet__check_len(struct efx_rx_queue *rx_queue, * the appropriate LRO method */ static void efx_rx_packet_lro(struct efx_channel *channel, - struct efx_rx_buffer *rx_buf) + struct efx_rx_buffer *rx_buf, + bool checksummed) { struct napi_struct *napi = &channel->napi_str; @@ -466,7 +467,8 @@ static void efx_rx_packet_lro(struct efx_channel *channel, skb->len = rx_buf->len; skb->data_len = rx_buf->len; skb->truesize += rx_buf->len; - skb->ip_summed = CHECKSUM_UNNECESSARY; + skb->ip_summed = + checksummed ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE; napi_gro_frags(napi); @@ -475,6 +477,7 @@ out: rx_buf->page = NULL; } else { EFX_BUG_ON_PARANOID(!rx_buf->skb); + EFX_BUG_ON_PARANOID(!checksummed); napi_gro_receive(napi, rx_buf->skb); rx_buf->skb = NULL; @@ -570,7 +573,7 @@ void __efx_rx_packet(struct efx_channel *channel, } if (likely(checksummed || rx_buf->page)) { - efx_rx_packet_lro(channel, rx_buf); + efx_rx_packet_lro(channel, rx_buf, checksummed); goto done; } diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index f49d0800c1d..528b912a4b0 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -30,6 +30,7 @@ #include <linux/phy.h> #include <linux/cache.h> #include <linux/io.h> +#include <asm/cacheflush.h> #include "sh_eth.h" diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 2ab5c39f33c..6a10d7ba587 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -4538,6 +4538,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev, goto err_out_free_netdev; } + netif_carrier_off(dev); + netif_napi_add(dev, &hw->napi, sky2_poll, NAPI_WEIGHT); err = request_irq(pdev->irq, sky2_intr, diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c index 36cb2423bcf..75fa32e34fd 100644 --- a/drivers/net/tokenring/ibmtr.c +++ b/drivers/net/tokenring/ibmtr.c @@ -1144,9 +1144,16 @@ static void dir_open_adapter (struct net_device *dev) } else { char **prphase = printphase; char **prerror = printerror; + int pnr = err / 16 - 1; + int enr = err % 16 - 1; DPRINTK("TR Adapter misc open failure, error code = "); - printk("0x%x, Phase: %s, Error: %s\n", - err, prphase[err/16 -1], prerror[err%16 -1]); + if (pnr < 0 || pnr >= ARRAY_SIZE(printphase) || + enr < 0 || + enr >= ARRAY_SIZE(printerror)) + printk("0x%x, invalid Phase/Error.", err); + else + printk("0x%x, Phase: %s, Error: %s\n", err, + prphase[pnr], prerror[enr]); printk(" retrying after %ds delay...\n", TR_RETRY_INTERVAL/HZ); } diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 72470f77f55..a2b30a10064 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -649,6 +649,10 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0fe6, 0x8101), /* DM9601 USB to Fast Ethernet Adapter */ .driver_info = (unsigned long)&dm9601_info, }, + { + USB_DEVICE(0x0a46, 0x9000), /* DM9000E */ + .driver_info = (unsigned long)&dm9601_info, + }, {}, // END }; diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index 0caa8008c51..f56dec6119c 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -362,12 +362,12 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) retval = -EINVAL; goto halt_fail_and_release; } - dev->hard_mtu = tmp; - net->mtu = dev->hard_mtu - net->hard_header_len; dev_warn(&intf->dev, "dev can't take %u byte packets (max %u), " "adjusting MTU to %u\n", - dev->hard_mtu, tmp, net->mtu); + dev->hard_mtu, tmp, tmp - net->hard_header_len); + dev->hard_mtu = tmp; + net->mtu = dev->hard_mtu - net->hard_header_len; } /* REVISIT: peripheral "alignment" request is ignored ... */ diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 3709d6af9ab..05630f2f693 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -516,8 +516,7 @@ again: /* Free up any pending old buffers before queueing new ones. */ free_old_xmit_skbs(vi); - /* Put new one in send queue and do transmit */ - __skb_queue_head(&vi->send, skb); + /* Try to transmit */ capacity = xmit_skb(vi, skb); /* This can happen with OOM and indirect buffers. */ @@ -531,8 +530,17 @@ again: } return NETDEV_TX_BUSY; } - vi->svq->vq_ops->kick(vi->svq); + + /* + * Put new one in send queue. You'd expect we'd need this before + * xmit_skb calls add_buf(), since the callback can be triggered + * immediately after that. But since the callback just triggers + * another call back here, normal network xmit locking prevents the + * race. + */ + __skb_queue_head(&vi->send, skb); + /* Don't wait up for transmitted skbs to be freed. */ skb_orphan(skb); nf_reset(skb); diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 7116a1aa20c..abf896a7390 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -4790,9 +4790,8 @@ static int proc_stats_rid_open( struct inode *inode, static int get_dec_u16( char *buffer, int *start, int limit ) { u16 value; int valid = 0; - for( value = 0; buffer[*start] >= '0' && - buffer[*start] <= '9' && - *start < limit; (*start)++ ) { + for (value = 0; *start < limit && buffer[*start] >= '0' && + buffer[*start] <= '9'; (*start)++) { valid = 1; value *= 10; value += buffer[*start] - '0'; diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 16a271787b8..1895d63aad0 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -679,7 +679,7 @@ static u8 ath_rc_get_highest_rix(struct ath_softc *sc, return rate; if (rate_table->info[rate].valid_single_stream && - !(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG)); + !(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG)) return rate; /* This should not happen */ diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 8701034569f..de4e804bedf 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -1157,8 +1157,9 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot) } static int dma_tx_fragment(struct b43_dmaring *ring, - struct sk_buff *skb) + struct sk_buff **in_skb) { + struct sk_buff *skb = *in_skb; const struct b43_dma_ops *ops = ring->ops; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); u8 *header; @@ -1224,8 +1225,14 @@ static int dma_tx_fragment(struct b43_dmaring *ring, } memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len); + memcpy(bounce_skb->cb, skb->cb, sizeof(skb->cb)); + bounce_skb->dev = skb->dev; + skb_set_queue_mapping(bounce_skb, skb_get_queue_mapping(skb)); + info = IEEE80211_SKB_CB(bounce_skb); + dev_kfree_skb_any(skb); skb = bounce_skb; + *in_skb = bounce_skb; meta->skb = skb; meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) { @@ -1355,7 +1362,11 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb) * static, so we don't need to store it per frame. */ ring->queue_prio = skb_get_queue_mapping(skb); - err = dma_tx_fragment(ring, skb); + /* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing + * into the skb data or cb now. */ + hdr = NULL; + info = NULL; + err = dma_tx_fragment(ring, &skb); if (unlikely(err == -ENOKEY)) { /* Drop this packet, as we don't have the encryption key * anymore and must not transmit it unencrypted. */ diff --git a/drivers/net/wireless/b43/leds.h b/drivers/net/wireless/b43/leds.h index 4c56187810f..32b66d53cda 100644 --- a/drivers/net/wireless/b43/leds.h +++ b/drivers/net/wireless/b43/leds.h @@ -1,6 +1,7 @@ #ifndef B43_LEDS_H_ #define B43_LEDS_H_ +struct b43_wl; struct b43_wldev; #ifdef CONFIG_B43_LEDS diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index df6b26a0c05..86f35827f00 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4501,7 +4501,6 @@ static void b43_op_stop(struct ieee80211_hw *hw) cancel_work_sync(&(wl->beacon_update_trigger)); - wiphy_rfkill_stop_polling(hw->wiphy); mutex_lock(&wl->mutex); if (b43_status(dev) >= B43_STAT_STARTED) { dev = b43_wireless_core_stop(dev); diff --git a/drivers/net/wireless/b43/rfkill.c b/drivers/net/wireless/b43/rfkill.c index 7a3218c5ba7..ffdce6f3c90 100644 --- a/drivers/net/wireless/b43/rfkill.c +++ b/drivers/net/wireless/b43/rfkill.c @@ -33,7 +33,8 @@ bool b43_is_hw_radio_enabled(struct b43_wldev *dev) & B43_MMIO_RADIO_HWENABLED_HI_MASK)) return 1; } else { - if (b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO) + if (b43_status(dev) >= B43_STAT_STARTED && + b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO) & B43_MMIO_RADIO_HWENABLED_LO_MASK) return 1; } diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 240cff1e697..a741d37fd96 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -6325,8 +6325,10 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, fail: if (dev) { - if (registered) + if (registered) { + unregister_ieee80211(priv->ieee); unregister_netdev(dev); + } ipw2100_hw_stop_adapter(priv); @@ -6383,6 +6385,7 @@ static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev) /* Unregister the device first - this results in close() * being called if the device is open. If we free storage * first, then close() will crash. */ + unregister_ieee80211(priv->ieee); unregister_netdev(dev); /* ipw2100_down will ensure that there is no more pending work diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index 827824d45de..9b0f2c0646e 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -11822,6 +11822,7 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev, if (err) { IPW_ERROR("Failed to register promiscuous network " "device (error %d).\n", err); + unregister_ieee80211(priv->ieee); unregister_netdev(priv->net_dev); goto out_remove_sysfs; } @@ -11872,6 +11873,7 @@ static void __devexit ipw_pci_remove(struct pci_dev *pdev) mutex_unlock(&priv->mutex); + unregister_ieee80211(priv->ieee); unregister_netdev(priv->net_dev); if (priv->rxq) { diff --git a/drivers/net/wireless/ipw2x00/libipw.h b/drivers/net/wireless/ipw2x00/libipw.h index bf45391172f..f42ade6c2d3 100644 --- a/drivers/net/wireless/ipw2x00/libipw.h +++ b/drivers/net/wireless/ipw2x00/libipw.h @@ -1020,6 +1020,7 @@ static inline int libipw_is_cck_rate(u8 rate) /* ieee80211.c */ extern void free_ieee80211(struct net_device *dev, int monitor); extern struct net_device *alloc_ieee80211(int sizeof_priv, int monitor); +extern void unregister_ieee80211(struct libipw_device *ieee); extern int libipw_change_mtu(struct net_device *dev, int new_mtu); extern void libipw_networks_age(struct libipw_device *ieee, diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c index a0e9f6aed7d..be5b809ec97 100644 --- a/drivers/net/wireless/ipw2x00/libipw_module.c +++ b/drivers/net/wireless/ipw2x00/libipw_module.c @@ -235,16 +235,19 @@ void free_ieee80211(struct net_device *dev, int monitor) libipw_networks_free(ieee); /* free cfg80211 resources */ - if (!monitor) { - wiphy_unregister(ieee->wdev.wiphy); - kfree(ieee->a_band.channels); - kfree(ieee->bg_band.channels); + if (!monitor) wiphy_free(ieee->wdev.wiphy); - } free_netdev(dev); } +void unregister_ieee80211(struct libipw_device *ieee) +{ + wiphy_unregister(ieee->wdev.wiphy); + kfree(ieee->a_band.channels); + kfree(ieee->bg_band.channels); +} + #ifdef CONFIG_LIBIPW_DEBUG static int debug = 0; @@ -330,3 +333,4 @@ module_init(libipw_init); EXPORT_SYMBOL(alloc_ieee80211); EXPORT_SYMBOL(free_ieee80211); +EXPORT_SYMBOL(unregister_ieee80211); diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c index cb8be8d7abc..5b3672c4d0c 100644 --- a/drivers/net/wireless/libertas/if_spi.c +++ b/drivers/net/wireless/libertas/if_spi.c @@ -134,7 +134,7 @@ static void spu_transaction_finish(struct if_spi_card *card) static int spu_write(struct if_spi_card *card, u16 reg, const u8 *buf, int len) { int err = 0; - u16 reg_out = cpu_to_le16(reg | IF_SPI_WRITE_OPERATION_MASK); + __le16 reg_out = cpu_to_le16(reg | IF_SPI_WRITE_OPERATION_MASK); struct spi_message m; struct spi_transfer reg_trans; struct spi_transfer data_trans; @@ -166,7 +166,7 @@ static int spu_write(struct if_spi_card *card, u16 reg, const u8 *buf, int len) static inline int spu_write_u16(struct if_spi_card *card, u16 reg, u16 val) { - u16 buff; + __le16 buff; buff = cpu_to_le16(val); return spu_write(card, reg, (u8 *)&buff, sizeof(u16)); @@ -188,7 +188,7 @@ static int spu_read(struct if_spi_card *card, u16 reg, u8 *buf, int len) { unsigned int delay; int err = 0; - u16 reg_out = cpu_to_le16(reg | IF_SPI_READ_OPERATION_MASK); + __le16 reg_out = cpu_to_le16(reg | IF_SPI_READ_OPERATION_MASK); struct spi_message m; struct spi_transfer reg_trans; struct spi_transfer dummy_trans; @@ -235,7 +235,7 @@ static int spu_read(struct if_spi_card *card, u16 reg, u8 *buf, int len) /* Read 16 bits from an SPI register */ static inline int spu_read_u16(struct if_spi_card *card, u16 reg, u16 *val) { - u16 buf; + __le16 buf; int ret; ret = spu_read(card, reg, (u8 *)&buf, sizeof(buf)); @@ -248,7 +248,7 @@ static inline int spu_read_u16(struct if_spi_card *card, u16 reg, u16 *val) * The low 16 bits are read first. */ static int spu_read_u32(struct if_spi_card *card, u16 reg, u32 *val) { - u32 buf; + __le32 buf; int err; err = spu_read(card, reg, (u8 *)&buf, sizeof(buf)); diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index 92bc8c5f1ca..3fac4efa5ac 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -508,7 +508,7 @@ static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, /* Fill the receive configuration URB and initialise the Rx call back */ usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, usb_rcvbulkpipe(cardp->udev, cardp->ep_in), - (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), + skb->data + IPFIELD_ALIGN_OFFSET, MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, cardp); diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index 88cd58eb3b9..1c88c2ea59a 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -2879,7 +2879,7 @@ static int write_essid(struct file *file, const char __user *buffer, unsigned long count, void *data) { static char proc_essid[33]; - int len = count; + unsigned int len = count; if (len > 32) len = 32; diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index a084077a1c6..9fe770f7d7b 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -1994,7 +1994,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size); rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? - (skbdesc->entry->entry_idx + 1) : 0xff); + txdesc->key_idx : 0xff); rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, skb->len - txdesc->l2pad); rt2x00_set_field32(&word, TXWI_W1_PACKETID, diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index b8f5ee33445..14e7bb21007 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2389,10 +2389,13 @@ static struct usb_device_id rt73usb_device_table[] = { { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x13b1, 0x0028), USB_DEVICE_DATA(&rt73usb_ops) }, /* MSI */ + { USB_DEVICE(0x0db0, 0x4600), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) }, + /* Ovislink */ + { USB_DEVICE(0x1b75, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) }, /* Ralink */ { USB_DEVICE(0x04bb, 0x093d), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) }, @@ -2420,6 +2423,8 @@ static struct usb_device_id rt73usb_device_table[] = { /* Planex */ { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) }, + /* WideTell */ + { USB_DEVICE(0x7167, 0x3840), USB_DEVICE_DATA(&rt73usb_ops) }, /* Zcom */ { USB_DEVICE(0x0cde, 0x001c), USB_DEVICE_DATA(&rt73usb_ops) }, /* ZyXEL */ |