diff options
Diffstat (limited to 'drivers/net/e1000e')
| -rw-r--r-- | drivers/net/e1000e/82571.c | 153 | ||||
| -rw-r--r-- | drivers/net/e1000e/defines.h | 15 | ||||
| -rw-r--r-- | drivers/net/e1000e/e1000.h | 36 | ||||
| -rw-r--r-- | drivers/net/e1000e/es2lan.c | 2 | ||||
| -rw-r--r-- | drivers/net/e1000e/ethtool.c | 69 | ||||
| -rw-r--r-- | drivers/net/e1000e/hw.h | 15 | ||||
| -rw-r--r-- | drivers/net/e1000e/ich8lan.c | 253 | ||||
| -rw-r--r-- | drivers/net/e1000e/lib.c | 8 | ||||
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 571 | ||||
| -rw-r--r-- | drivers/net/e1000e/param.c | 57 | ||||
| -rw-r--r-- | drivers/net/e1000e/phy.c | 194 |
11 files changed, 1220 insertions, 153 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index 462351c..b2c910c 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -38,6 +38,7 @@ * 82573V Gigabit Ethernet Controller (Copper) * 82573E Gigabit Ethernet Controller (Copper) * 82573L Gigabit Ethernet Controller + * 82574L Gigabit Network Connection */ #include <linux/netdevice.h> @@ -54,6 +55,8 @@ #define E1000_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000 +#define E1000_NVM_INIT_CTRL2_MNGM 0x6000 /* Manageability Operation Mode mask */ + static s32 e1000_get_phy_id_82571(struct e1000_hw *hw); static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw); static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw); @@ -63,6 +66,8 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw); static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw); static s32 e1000_setup_link_82571(struct e1000_hw *hw); static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw); +static bool e1000_check_mng_mode_82574(struct e1000_hw *hw); +static s32 e1000_led_on_82574(struct e1000_hw *hw); /** * e1000_init_phy_params_82571 - Init PHY func ptrs. @@ -92,6 +97,9 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw) case e1000_82573: phy->type = e1000_phy_m88; break; + case e1000_82574: + phy->type = e1000_phy_bm; + break; default: return -E1000_ERR_PHY; break; @@ -111,6 +119,10 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw) if (phy->id != M88E1111_I_PHY_ID) return -E1000_ERR_PHY; break; + case e1000_82574: + if (phy->id != BME1000_E_PHY_ID_R2) + return -E1000_ERR_PHY; + break; default: return -E1000_ERR_PHY; break; @@ -150,6 +162,7 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw) switch (hw->mac.type) { case e1000_82573: + case e1000_82574: if (((eecd >> 15) & 0x3) == 0x3) { nvm->type = e1000_nvm_flash_hw; nvm->word_size = 2048; @@ -245,6 +258,17 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter) break; } + switch (hw->mac.type) { + case e1000_82574: + func->check_mng_mode = e1000_check_mng_mode_82574; + func->led_on = e1000_led_on_82574; + break; + default: + func->check_mng_mode = e1000e_check_mng_mode_generic; + func->led_on = e1000e_led_on_generic; + break; + } + return 0; } @@ -330,6 +354,8 @@ static s32 e1000_get_variants_82571(struct e1000_adapter *adapter) static s32 e1000_get_phy_id_82571(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_id = 0; switch (hw->mac.type) { case e1000_82571: @@ -345,6 +371,20 @@ static s32 e1000_get_phy_id_82571(struct e1000_hw *hw) case e1000_82573: return e1000e_get_phy_id(hw); break; + case e1000_82574: + ret_val = e1e_rphy(hw, PHY_ID1, &phy_id); + if (ret_val) + return ret_val; + + phy->id = (u32)(phy_id << 16); + udelay(20); + ret_val = e1e_rphy(hw, PHY_ID2, &phy_id); + if (ret_val) + return ret_val; + + phy->id |= (u32)(phy_id); + phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); + break; default: return -E1000_ERR_PHY; break; @@ -421,7 +461,7 @@ static s32 e1000_acquire_nvm_82571(struct e1000_hw *hw) if (ret_val) return ret_val; - if (hw->mac.type != e1000_82573) + if (hw->mac.type != e1000_82573 && hw->mac.type != e1000_82574) ret_val = e1000e_acquire_nvm(hw); if (ret_val) @@ -461,6 +501,7 @@ static s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset, u16 words, switch (hw->mac.type) { case e1000_82573: + case e1000_82574: ret_val = e1000_write_nvm_eewr_82571(hw, offset, words, data); break; case e1000_82571: @@ -735,7 +776,7 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw) * Must acquire the MDIO ownership before MAC reset. * Ownership defaults to firmware after a reset. */ - if (hw->mac.type == e1000_82573) { + if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) { extcnf_ctrl = er32(EXTCNF_CTRL); extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP; @@ -776,7 +817,7 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw) * Need to wait for Phy configuration completion before accessing * NVM and Phy. */ - if (hw->mac.type == e1000_82573) + if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) msleep(25); /* Clear any pending interrupt events. */ @@ -843,7 +884,7 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw) ew32(TXDCTL(0), reg_data); /* ...for both queues. */ - if (mac->type != e1000_82573) { + if (mac->type != e1000_82573 && mac->type != e1000_82574) { reg_data = er32(TXDCTL(1)); reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) | E1000_TXDCTL_FULL_TX_DESC_WB | @@ -918,19 +959,28 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw) } /* Device Control */ - if (hw->mac.type == e1000_82573) { + if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) { reg = er32(CTRL); reg &= ~(1 << 29); ew32(CTRL, reg); } /* Extended Device Control */ - if (hw->mac.type == e1000_82573) { + if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) { reg = er32(CTRL_EXT); reg &= ~(1 << 23); reg |= (1 << 22); ew32(CTRL_EXT, reg); } + + /* PCI-Ex Control Register */ + if (hw->mac.type == e1000_82574) { + reg = er32(GCR); + reg |= (1 << 22); + ew32(GCR, reg); + } + + return; } /** @@ -947,7 +997,7 @@ void e1000e_clear_vfta(struct e1000_hw *hw) u32 vfta_offset = 0; u32 vfta_bit_in_reg = 0; - if (hw->mac.type == e1000_82573) { + if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) { if (hw->mng_cookie.vlan_id != 0) { /* * The VFTA is a 4096b bit-field, each identifying @@ -976,6 +1026,48 @@ void e1000e_clear_vfta(struct e1000_hw *hw) } /** + * e1000_check_mng_mode_82574 - Check manageability is enabled + * @hw: pointer to the HW structure + * + * Reads the NVM Initialization Control Word 2 and returns true + * (>0) if any manageability is enabled, else false (0). + **/ +static bool e1000_check_mng_mode_82574(struct e1000_hw *hw) +{ + u16 data; + + e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data); + return (data & E1000_NVM_INIT_CTRL2_MNGM) != 0; +} + +/** + * e1000_led_on_82574 - Turn LED on + * @hw: pointer to the HW structure + * + * Turn LED on. + **/ +static s32 e1000_led_on_82574(struct e1000_hw *hw) +{ + u32 ctrl; + u32 i; + + ctrl = hw->mac.ledctl_mode2; + if (!(E1000_STATUS_LU & er32(STATUS))) { + /* + * If no link, then turn LED on by setting the invert bit + * for each LED that's "on" (0x0E) in ledctl_mode2. + */ + for (i = 0; i < 4; i++) + if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) == + E1000_LEDCTL_MODE_LED_ON) + ctrl |= (E1000_LEDCTL_LED0_IVRT << (i * 8)); + } + ew32(LEDCTL, ctrl); + + return 0; +} + +/** * e1000_update_mc_addr_list_82571 - Update Multicast addresses * @hw: pointer to the HW structure * @mc_addr_list: array of multicast addresses to program @@ -1018,7 +1110,8 @@ static s32 e1000_setup_link_82571(struct e1000_hw *hw) * the default flow control setting, so we explicitly * set it to full. */ - if (hw->mac.type == e1000_82573) + if ((hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) && + hw->fc.type == e1000_fc_default) hw->fc.type = e1000_fc_full; return e1000e_setup_link(hw); @@ -1045,6 +1138,7 @@ static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw) switch (hw->phy.type) { case e1000_phy_m88: + case e1000_phy_bm: ret_val = e1000e_copper_link_setup_m88(hw); break; case e1000_phy_igp_2: @@ -1114,11 +1208,10 @@ static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data) return ret_val; } - if (hw->mac.type == e1000_82573 && + if ((hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) && *data == ID_LED_RESERVED_F746) *data = ID_LED_DEFAULT_82573; - else if (*data == ID_LED_RESERVED_0000 || - *data == ID_LED_RESERVED_FFFF) + else if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) *data = ID_LED_DEFAULT; return 0; @@ -1265,13 +1358,13 @@ static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw) } static struct e1000_mac_operations e82571_mac_ops = { - .mng_mode_enab = E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT, + /* .check_mng_mode: mac type dependent */ /* .check_for_link: media type dependent */ .cleanup_led = e1000e_cleanup_led_generic, .clear_hw_cntrs = e1000_clear_hw_cntrs_82571, .get_bus_info = e1000e_get_bus_info_pcie, /* .get_link_up_info: media type dependent */ - .led_on = e1000e_led_on_generic, + /* .led_on: mac type dependent */ .led_off = e1000e_led_off_generic, .update_mc_addr_list = e1000_update_mc_addr_list_82571, .reset_hw = e1000_reset_hw_82571, @@ -1312,6 +1405,22 @@ static struct e1000_phy_operations e82_phy_ops_m88 = { .write_phy_reg = e1000e_write_phy_reg_m88, }; +static struct e1000_phy_operations e82_phy_ops_bm = { + .acquire_phy = e1000_get_hw_semaphore_82571, + .check_reset_block = e1000e_check_reset_block_generic, + .commit_phy = e1000e_phy_sw_reset, + .force_speed_duplex = e1000e_phy_force_speed_duplex_m88, + .get_cfg_done = e1000e_get_cfg_done, + .get_cable_length = e1000e_get_cable_length_m88, + .get_phy_info = e1000e_get_phy_info_m88, + .read_phy_reg = e1000e_read_phy_reg_bm2, + .release_phy = e1000_put_hw_semaphore_82571, + .reset_phy = e1000e_phy_hw_reset_generic, + .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, + .set_d3_lplu_state = e1000e_set_d3_lplu_state, + .write_phy_reg = e1000e_write_phy_reg_bm2, +}; + static struct e1000_nvm_operations e82571_nvm_ops = { .acquire_nvm = e1000_acquire_nvm_82571, .read_nvm = e1000e_read_nvm_eerd, @@ -1375,3 +1484,21 @@ struct e1000_info e1000_82573_info = { .nvm_ops = &e82571_nvm_ops, }; +struct e1000_info e1000_82574_info = { + .mac = e1000_82574, + .flags = FLAG_HAS_HW_VLAN_FILTER + | FLAG_HAS_MSIX + | FLAG_HAS_JUMBO_FRAMES + | FLAG_HAS_WOL + | FLAG_APME_IN_CTRL3 + | FLAG_RX_CSUM_ENABLED + | FLAG_HAS_SMART_POWER_DOWN + | FLAG_HAS_AMT + | FLAG_HAS_CTRLEXT_ON_LOAD, + .pba = 20, + .get_variants = e1000_get_variants_82571, + .mac_ops = &e82571_mac_ops, + .phy_ops = &e82_phy_ops_bm, + .nvm_ops = &e82571_nvm_ops, +}; + diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index 14b0e6c..48f79ec 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -71,9 +71,11 @@ #define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */ #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 #define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000 +#define E1000_CTRL_EXT_EIAME 0x01000000 #define E1000_CTRL_EXT_DRV_LOAD 0x10000000 /* Driver loaded bit for FW */ #define E1000_CTRL_EXT_IAME 0x08000000 /* Interrupt acknowledge Auto-mask */ #define E1000_CTRL_EXT_INT_TIMER_CLR 0x20000000 /* Clear Interrupt timers after IMS clear */ +#define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */ /* Receive Descriptor bit definitions */ #define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */ @@ -299,6 +301,7 @@ #define E1000_RXCSUM_IPPCSE 0x00001000 /* IP payload checksum enable */ /* Header split receive */ +#define E1000_RFCTL_ACK_DIS 0x00001000 #define E1000_RFCTL_EXTEN 0x00008000 #define E1000_RFCTL_IPV6_EX_DIS 0x00010000 #define E1000_RFCTL_NEW_IPV6_EXT_DIS 0x00020000 @@ -363,6 +366,11 @@ #define E1000_ICR_RXDMT0 0x00000010 /* Rx desc min. threshold (0) */ #define E1000_ICR_RXT0 0x00000080 /* Rx timer intr (ring 0) */ #define E1000_ICR_INT_ASSERTED 0x80000000 /* If this bit asserted, the driver should claim the interrupt */ +#define E1000_ICR_RXQ0 0x00100000 /* Rx Queue 0 Interrupt */ +#define E1000_ICR_RXQ1 0x00200000 /* Rx Queue 1 Interrupt */ +#define E1000_ICR_TXQ0 0x00400000 /* Tx Queue 0 Interrupt */ +#define E1000_ICR_TXQ1 0x00800000 /* Tx Queue 1 Interrupt */ +#define E1000_ICR_OTHER 0x01000000 /* Other Interrupts */ /* * This defines the bits that are set in the Interrupt Mask @@ -386,6 +394,11 @@ #define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* Rx sequence error */ #define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* Rx desc min. threshold */ #define E1000_IMS_RXT0 E1000_ICR_RXT0 /* Rx timer intr */ +#define E1000_IMS_RXQ0 E1000_ICR_RXQ0 /* Rx Queue 0 Interrupt */ +#define E1000_IMS_RXQ1 E1000_ICR_RXQ1 /* Rx Queue 1 Interrupt */ +#define E1000_IMS_TXQ0 E1000_ICR_TXQ0 /* Tx Queue 0 Interrupt */ +#define E1000_IMS_TXQ1 E1000_ICR_TXQ1 /* Tx Queue 1 Interrupt */ +#define E1000_IMS_OTHER E1000_ICR_OTHER /* Other Interrupts */ /* Interrupt Cause Set */ #define E1000_ICS_LSC E1000_ICR_LSC /* Link Status Change */ @@ -505,6 +518,7 @@ #define NWAY_LPAR_ASM_DIR 0x0800 /* LP Asymmetric Pause Direction bit */ /* Autoneg Expansion Register */ +#define NWAY_ER_LP_NWAY_CAPS 0x0001 /* LP has Auto Neg Capability */ /* 1000BASE-T Control Register */ #define CR_1000T_HD_CAPS 0x0100 /* Advertise 1000T HD capability */ @@ -540,6 +554,7 @@ #define E1000_EECD_DO 0x00000008 /* NVM Data Out */ #define E1000_EECD_REQ 0x00000040 /* NVM Access Request */ #define E1000_EECD_GNT 0x00000080 /* NVM Access Grant */ +#define E1000_EECD_PRES 0x00000100 /* NVM Present */ #define E1000_EECD_SIZE 0x00000200 /* NVM Size (0=64 word 1=256 word) */ /* NVM Addressing bits based on type (0-small, 1-large) */ #define E1000_EECD_ADDR_BITS 0x00000400 diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index ac4e506..c55de1c 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h @@ -62,6 +62,11 @@ struct e1000_info; e_printk(KERN_NOTICE, adapter, format, ## arg) +/* Interrupt modes, as used by the IntMode paramter */ +#define E1000E_INT_MODE_LEGACY 0 +#define E1000E_INT_MODE_MSI 1 +#define E1000E_INT_MODE_MSIX 2 + /* Tx/Rx descriptor defines */ #define E1000_DEFAULT_TXD 256 #define E1000_MAX_TXD 4096 @@ -95,9 +100,11 @@ enum e1000_boards { board_82571, board_82572, board_82573, + board_82574, board_80003es2lan, board_ich8lan, board_ich9lan, + board_ich10lan, }; struct e1000_queue_stats { @@ -146,6 +153,12 @@ struct e1000_ring { /* array of buffer information structs */ struct e1000_buffer *buffer_info; + char name[IFNAMSIZ + 5]; + u32 ims_val; + u32 itr_val; + u16 itr_register; + int set_itr; + struct sk_buff *rx_skb_top; struct e1000_queue_stats stats; @@ -257,7 +270,6 @@ struct e1000_adapter { struct net_device *netdev; struct pci_dev *pdev; struct net_device_stats net_stats; - spinlock_t stats_lock; /* prevent concurrent stats updates */ /* structs defined in e1000_hw.h */ struct e1000_hw hw; @@ -274,6 +286,9 @@ struct e1000_adapter { u32 test_icr; u32 msg_enable; + struct msix_entry *msix_entries; + int int_mode; + u32 eiac_mask; u32 eeprom_wol; u32 wol; @@ -284,6 +299,8 @@ struct e1000_adapter { unsigned long led_status; unsigned int flags; + struct work_struct downshift_task; + struct work_struct update_phy_task; }; struct e1000_info { @@ -305,7 +322,9 @@ struct e1000_info { #define FLAG_HAS_CTRLEXT_ON_LOAD (1 << 5) #define FLAG_HAS_SWSM_ON_LOAD (1 << 6) #define FLAG_HAS_JUMBO_FRAMES (1 << 7) +#define FLAG_READ_ONLY_NVM (1 << 8) #define FLAG_IS_ICH (1 << 9) +#define FLAG_HAS_MSIX (1 << 10) #define FLAG_HAS_SMART_POWER_DOWN (1 << 11) #define FLAG_IS_QUAD_PORT_A (1 << 12) #define FLAG_IS_QUAD_PORT (1 << 13) @@ -364,6 +383,8 @@ extern int e1000e_setup_tx_resources(struct e1000_adapter *adapter); extern void e1000e_free_rx_resources(struct e1000_adapter *adapter); extern void e1000e_free_tx_resources(struct e1000_adapter *adapter); extern void e1000e_update_stats(struct e1000_adapter *adapter); +extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter); +extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter); extern unsigned int copybreak; @@ -372,8 +393,10 @@ extern char *e1000e_get_hw_dev_name(struct e1000_hw *hw); extern struct e1000_info e1000_82571_info; extern struct e1000_info e1000_82572_info; extern struct e1000_info e1000_82573_info; +extern struct e1000_info e1000_82574_info; extern struct e1000_info e1000_ich8_info; extern struct e1000_info e1000_ich9_info; +extern struct e1000_info e1000_ich10_info; extern struct e1000_info e1000_es2_info; extern s32 e1000e_read_pba_num(struct e1000_hw *hw, u32 *pba_num); @@ -385,6 +408,7 @@ extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw); extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw); extern void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state); +extern void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw); extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw, bool state); extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw); @@ -446,10 +470,13 @@ extern s32 e1000e_get_cable_length_m88(struct e1000_hw *hw); extern s32 e1000e_get_phy_info_m88(struct e1000_hw *hw); extern s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data); extern s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data); +extern s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw); extern enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id); extern s32 e1000e_determine_phy_address(struct e1000_hw *hw); extern s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data); extern s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data); +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_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data); @@ -520,7 +547,12 @@ static inline s32 e1000_get_phy_info(struct e1000_hw *hw) return hw->phy.ops.get_phy_info(hw); } -extern bool e1000e_check_mng_mode(struct e1000_hw *hw); +static inline s32 e1000e_check_mng_mode(struct e1000_hw *hw) +{ + return hw->mac.ops.check_mng_mode(hw); +} + +extern bool e1000e_check_mng_mode_generic(struct e1000_hw *hw); extern bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw); extern s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length); diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c index dc552d7..da9c09c 100644 --- a/drivers/net/e1000e/es2lan.c +++ b/drivers/net/e1000e/es2lan.c @@ -1247,7 +1247,7 @@ static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw) } static struct e1000_mac_operations es2_mac_ops = { - .mng_mode_enab = E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT, + .check_mng_mode = e1000e_check_mng_mode_generic, /* check_for_link dependent on media type */ .cleanup_led = e1000e_cleanup_led_generic, .clear_hw_cntrs = e1000_clear_hw_cntrs_80003es2lan, diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c index e21c9e0..70c11c8 100644 --- a/drivers/net/e1000e/ethtool.c +++ b/drivers/net/e1000e/ethtool.c @@ -432,6 +432,10 @@ static void e1000_get_regs(struct net_device *netdev, regs_buff[11] = er32(TIDV); regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ + + /* ethtool doesn't use anything past this point, so all this + * code is likely legacy junk for apps that may or may not + * exist */ if (hw->phy.type == e1000_phy_m88) { e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); regs_buff[13] = (u32)phy_data; /* cable length */ @@ -447,7 +451,7 @@ static void e1000_get_regs(struct net_device *netdev, regs_buff[22] = adapter->phy_stats.receive_errors; regs_buff[23] = regs_buff[13]; /* mdix mode */ } - regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ + regs_buff[21] = 0; /* was idle_errors */ e1e_rphy(hw, PHY_1000T_STATUS, &phy_data); regs_buff[24] = (u32)phy_data; /* phy local receiver status */ regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ @@ -529,6 +533,9 @@ static int e1000_set_eeprom(struct net_device *netdev, if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) return -EFAULT; + if (adapter->flags & FLAG_READ_ONLY_NVM) + return -EINVAL; + max_len = hw->nvm.word_size * 2; first_word = eeprom->offset >> 1; @@ -568,6 +575,7 @@ static int e1000_set_eeprom(struct net_device *netdev, * and flush shadow RAM for 82573 controllers */ if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) || + (hw->mac.type == e1000_82574) || (hw->mac.type == e1000_82573))) e1000e_update_nvm_checksum(hw); @@ -779,8 +787,10 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) toggle = 0x7FFFF3FF; break; case e1000_82573: + case e1000_82574: case e1000_ich8lan: case e1000_ich9lan: + case e1000_ich10lan: toggle = 0x7FFFF033; break; default: @@ -833,7 +843,9 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); for (i = 0; i < mac->rar_entry_count; i++) REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), - 0x8003FFFF, 0xFFFFFFFF); + ((mac->type == e1000_ich10lan) ? + 0x8007FFFF : 0x8003FFFF), + 0xFFFFFFFF); for (i = 0; i < mac->mta_reg_count; i++) REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); @@ -884,10 +896,18 @@ static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) u32 shared_int = 1; u32 irq = adapter->pdev->irq; int i; + int ret_val = 0; + int int_mode = E1000E_INT_MODE_LEGACY; *data = 0; - /* NOTE: we don't test MSI interrupts here, yet */ + /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ + if (adapter->int_mode == E1000E_INT_MODE_MSIX) { + int_mode = adapter->int_mode; + e1000e_reset_interrupt_capability(adapter); + adapter->int_mode = E1000E_INT_MODE_LEGACY; + e1000e_set_interrupt_capability(adapter); + } /* Hook up test interrupt handler just for this test */ if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, netdev)) { @@ -895,7 +915,8 @@ static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED, netdev->name, netdev)) { *data = 1; - return -1; + ret_val = -1; + goto out; } e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); @@ -905,12 +926,23 @@ static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) /* Test each interrupt */ for (i = 0; i < 10; i++) { - if ((adapter->flags & FLAG_IS_ICH) && (i == 8)) - continue; - /* Interrupt to test */ mask = 1 << i; + if (adapter->flags & FLAG_IS_ICH) { + switch (mask) { + case E1000_ICR_RXSEQ: + continue; + case 0x00000100: + if (adapter->hw.mac.type == e1000_ich8lan || + adapter->hw.mac.type == e1000_ich9lan) + continue; + break; + default: + break; + } + } + if (!shared_int) { /* * Disable the interrupt to be reported in @@ -974,7 +1006,14 @@ static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) /* Unhook test interrupt handler */ free_irq(irq, netdev); - return *data; +out: + if (int_mode == E1000E_INT_MODE_MSIX) { + e1000e_reset_interrupt_capability(adapter); + adapter->int_mode = int_mode; + e1000e_set_interrupt_capability(adapter); + } + + return ret_val; } static void e1000_free_desc_rings(struct e1000_adapter *adapter) @@ -1755,11 +1794,13 @@ static void e1000_led_blink_callback(unsigned long data) static int e1000_phys_id(struct net_device *netdev, u32 data) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; if (!data) data = INT_MAX; - if (adapter->hw.phy.type == e1000_phy_ife) { + if ((hw->phy.type == e1000_phy_ife) || + (hw->mac.type == e1000_82574)) { if (!adapter->blink_timer.function) { init_timer(&adapter->blink_timer); adapter->blink_timer.function = @@ -1769,16 +1810,16 @@ static int e1000_phys_id(struct net_device *netdev, u32 data) mod_timer(&adapter->blink_timer, jiffies); msleep_interruptible(data * 1000); del_timer_sync(&adapter->blink_timer); - e1e_wphy(&adapter->hw, - IFE_PHY_SPECIAL_CONTROL_LED, 0); + if (hw->phy.type == e1000_phy_ife) + e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); } else { - e1000e_blink_led(&adapter->hw); + e1000e_blink_led(hw); msleep_interruptible(data * 1000); } - adapter->hw.mac.ops.led_off(&adapter->hw); + hw->mac.ops.led_off(hw); clear_bit(E1000_LED_ON, &adapter->led_status); - adapter->hw.mac.ops.cleanup_led(&adapter->hw); + hw->mac.ops.cleanup_led(hw); return 0; } diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index 74f263a..f66ed37 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -65,7 +65,11 @@ enum e1e_registers { E1000_ICS = 0x000C8, /* Interrupt Cause Set - WO */ E1000_IMS = 0x000D0, /* Interrupt Mask Set - RW */ E1000_IMC = 0x000D8, /* Interrupt Mask Clear - WO */ + E1000_EIAC_82574 = 0x000DC, /* Ext. Interrupt Auto Clear - RW */ E1000_IAM = 0x000E0, /* Interrupt Acknowledge Auto Mask */ + E1000_IVAR = 0x000E4, /* Interrupt Vector Allocation - RW */ + E1000_EITR_82574_BASE = 0x000E8, /* Interrupt Throttling - RW */ +#define E1000_EITR_82574(_n) (E1000_EITR_82574_BASE + (_n << 2)) E1000_RCTL = 0x00100, /* Rx Control - RW */ E1000_FCTTV = 0x00170, /* Flow Control Transmit Timer Value - RW */ E1000_TXCW = 0x00178, /* Tx Configuration Word - RW */ @@ -332,6 +336,7 @@ enum e1e_registers { #define E1000_DEV_ID_82573E 0x108B #define E1000_DEV_ID_82573E_IAMT 0x108C #define E1000_DEV_ID_82573L 0x109A +#define E1000_DEV_ID_82574L 0x10D3 #define E1000_DEV_ID_80003ES2LAN_COPPER_DPT 0x1096 #define E1000_DEV_ID_80003ES2LAN_SERDES_DPT 0x1098 @@ -346,6 +351,7 @@ enum e1e_registers { #define E1000_DEV_ID_ICH8_IFE_G 0x10C5 #define E1000_DEV_ID_ICH8_IGP_M 0x104D #define E1000_DEV_ID_ICH9_IGP_AMT 0x10BD +#define E1000_DEV_ID_ICH9_BM 0x10E5 #define E1000_DEV_ID_ICH9_IGP_M_AMT 0x10F5 #define E1000_DEV_ID_ICH9_IGP_M 0x10BF #define E1000_DEV_ID_ICH9_IGP_M_V 0x10CB @@ -356,6 +362,10 @@ enum e1e_registers { #define E1000_DEV_ID_ICH10_R_BM_LM 0x10CC #define E1000_DEV_ID_ICH10_R_BM_LF 0x10CD #define E1000_DEV_ID_ICH10_R_BM_V 0x10CE +#define E1000_DEV_ID_ICH10_D_BM_LM 0x10DE +#define E1000_DEV_ID_ICH10_D_BM_LF 0x10DF + +#define E1000_REVISION_4 4 #define E1000_FUNC_1 1 @@ -363,9 +373,11 @@ enum e1000_mac_type { e1000_82571, e1000_82572, e1000_82573, + e1000_82574, e1000_80003es2lan, e1000_ich8lan, e1000_ich9lan, + e1000_ich10lan, }; enum e1000_media_type { @@ -696,8 +708,7 @@ struct e1000_host_mng_command_info { /* Function pointers and static data for the MAC. */ struct e1000_mac_operations { - u32 mng_mode_enab; - + bool (*check_mng_mode)(struct e1000_hw *); s32 (*check_for_link)(struct e1000_hw *); s32 (*cleanup_led)(struct e1000_hw *); void (*clear_hw_cntrs)(struct e1000_hw *); diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index 9e38452..523b971 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c @@ -43,7 +43,9 @@ * 82567LM-2 Gigabit Network Connection * 82567LF-2 Gigabit Network Connection * 82567V-2 Gigabit Network Connection - * 82562GT-3 10/100 Network Connection + * 82567LF-3 Gigabit Network Connection + * 82567LM-3 Gigabit Network Connection + * 82567LM-4 Gigabit Network Connection */ #include <linux/netdevice.h> @@ -58,6 +60,7 @@ #define ICH_FLASH_HSFCTL 0x0006 #define ICH_FLASH_FADDR 0x0008 #define ICH_FLASH_FDATA0 0x0010 +#define ICH_FLASH_PR0 0x0074 #define ICH_FLASH_READ_COMMAND_TIMEOUT 500 #define ICH_FLASH_WRITE_COMMAND_TIMEOUT 500 @@ -150,6 +153,19 @@ union ich8_hws_flash_regacc { u16 regval; }; +/* ICH Flash Protected Region */ +union ich8_flash_protected_range { + struct ich8_pr { + u32 base:13; /* 0:12 Protected Range Base */ + u32 reserved1:2; /* 13:14 Reserved */ + u32 rpe:1; /* 15 Read Protection Enable */ + u32 limit:13; /* 16:28 Protected Range Limit */ + u32 reserved2:2; /* 29:30 Reserved */ + u32 wpe:1; /* 31 Write Protection Enable */ + } range; + u32 regval; +}; + static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw); static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw); static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw); @@ -157,12 +173,15 @@ static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw); static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank); static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, u8 byte); +static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, + u8 *data); static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, u16 *data); static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset, u8 size, u16 *data); static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw); static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw); +static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw); static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) { @@ -366,6 +385,9 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) return 0; } +static DEFINE_MUTEX(nvm_mutex); +static pid_t nvm_owner = -1; + /** * e1000_acquire_swflag_ich8lan - Acquire software control flag * @hw: pointer to the HW structure @@ -379,6 +401,15 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) u32 extcnf_ctrl; u32 timeout = PHY_CFG_TIMEOUT; + might_sleep(); + + if (!mutex_trylock(&nvm_mutex)) { + WARN(1, KERN_ERR "e1000e mutex contention. Owned by pid %d\n", + nvm_owner); + mutex_lock(&nvm_mutex); + } + nvm_owner = current->pid; + while (timeout) { extcnf_ctrl = er32(EXTCNF_CTRL); extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG; @@ -393,6 +424,10 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw) if (!timeout) { hw_dbg(hw, "FW or HW has locked the resource for too long.\n"); + extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; + ew32(EXTCNF_CTRL, extcnf_ctrl); + nvm_owner = -1; + mutex_unlock(&nvm_mutex); return -E1000_ERR_CONFIG; } @@ -414,6 +449,25 @@ static void e1000_release_swflag_ich8lan(struct e1000_hw *hw) extcnf_ctrl = er32(EXTCNF_CTRL); extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG; ew32(EXTCNF_CTRL, extcnf_ctrl); + + nvm_owner = -1; + mutex_unlock(&nvm_mutex); +} + +/** + * e1000_check_mng_mode_ich8lan - Checks management mode + * @hw: pointer to the HW structure + * + * This checks if the adapter has manageability enabled. + * This is a function pointer entry point only called by read/write + * routines for the PHY and NVM parts. + **/ +static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw) +{ + u32 fwsm = er32(FWSM); + + return (fwsm & E1000_FWSM_MODE_MASK) == + (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT); } /** @@ -897,6 +951,56 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) } /** + * e1000_valid_nvm_bank_detect_ich8lan - finds out the valid bank 0 or 1 + * @hw: pointer to the HW structure + * @bank: pointer to the variable that returns the active bank + * + * Reads signature byte from the NVM using the flash access registers. + **/ +static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) +{ + struct e1000_nvm_info *nvm = &hw->nvm; + /* flash bank size is in words */ + u32 bank1_offset = nvm->flash_bank_size * sizeof(u16); + u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1; + u8 bank_high_byte = 0; + + if (hw->mac.type != e1000_ich10lan) { + if (er32(EECD) & E1000_EECD_SEC1VAL) + *bank = 1; + else + *bank = 0; + } else { + /* + * Make sure the signature for bank 0 is valid, + * if not check for bank1 + */ + e1000_read_flash_byte_ich8lan(hw, act_offset, &bank_high_byte); + if ((bank_high_byte & 0xC0) == 0x80) { + *bank = 0; + } else { + /* + * find if segment 1 is valid by verifying + * bit 15:14 = 10b in word 0x13 + */ + e1000_read_flash_byte_ich8lan(hw, + act_offset + bank1_offset, + &bank_high_byte); + + /* bank1 has a valid signature equivalent to SEC1V */ + if ((bank_high_byte & 0xC0) == 0x80) { + *bank = 1; + } else { + hw_dbg(hw, "ERROR: EEPROM not present\n"); + return -E1000_ERR_NVM; + } + } + } + + return 0; +} + +/** * e1000_read_nvm_ich8lan - Read word(s) from the NVM * @hw: pointer to the HW structure * @offset: The offset (in bytes) of the word(s) to read. @@ -912,6 +1016,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; u32 act_offset; s32 ret_val; + u32 bank = 0; u16 i, word; if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) || @@ -924,10 +1029,11 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words, if (ret_val) return ret_val; - /* Start with the bank offset, then add the relative offset. */ - act_offset = (er32(EECD) & E1000_EECD_SEC1VAL) - ? nvm->flash_bank_size - : 0; + ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); + if (ret_val) + return ret_val; + + act_offset = (bank) ? nvm->flash_bank_size : 0; act_offset += offset; for (i = 0; i < words; i++) { @@ -1075,6 +1181,29 @@ static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset, } /** + * e1000_read_flash_byte_ich8lan - Read byte from flash + * @hw: pointer to the HW structure + * @offset: The offset of the byte to read. + * @data: Pointer to a byte to store the value read. + * + * Reads a single byte from the NVM using the flash access registers. + **/ +static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset, + u8 *data) +{ + s32 ret_val; + u16 word = 0; + + ret_val = e1000_read_flash_data_ich8lan(hw, offset, 1, &word); + if (ret_val) + return ret_val; + + *data = (u8)word; + + return 0; +} + +/** * e1000_read_flash_data_ich8lan - Read byte or word from NVM * @hw: pointer to the HW structure * @offset: The offset (in bytes) of the byte or word to read. @@ -1205,7 +1334,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) { struct e1000_nvm_info *nvm = &hw->nvm; struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; - u32 i, act_offset, new_bank_offset, old_bank_offset; + u32 i, act_offset, new_bank_offset, old_bank_offset, bank; s32 ret_val; u16 data; @@ -1225,7 +1354,11 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) * write to bank 0 etc. We also need to erase the segment that * is going to be written */ - if (!(er32(EECD) & E1000_EECD_SEC1VAL)) { + ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank); + if (ret_val) + return ret_val; + + if (bank == 0) { new_bank_offset = nvm->flash_bank_size; old_bank_offset = 0; e1000_erase_flash_bank_ich8lan(hw, 1); @@ -1284,6 +1417,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw) * programming failed. */ if (ret_val) { + /* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */ hw_dbg(hw, "Flash commit failed.\n"); e1000_release_swflag_ich8lan(hw); return ret_val; @@ -1374,6 +1508,49 @@ static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw) } /** + * e1000e_write_protect_nvm_ich8lan - Make the NVM read-only + * @hw: pointer to the HW structure + * + * To prevent malicious write/erase of the NVM, set it to be read-only + * so that the hardware ignores all write/erase cycles of the NVM via + * the flash control registers. The shadow-ram copy of the NVM will + * still be updated, however any updates to this copy will not stick + * across driver reloads. + **/ +void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw) +{ + 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; + + gfpreg = er32flash(ICH_FLASH_GFPREG); + + /* Write-protect GbE Sector of NVM */ + pr0.regval = er32flash(ICH_FLASH_PR0); + pr0.range.base = gfpreg & FLASH_GFPREG_BASE_MASK; + pr0.range.limit = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK); + pr0.range.wpe = true; + ew32flash(ICH_FLASH_PR0, pr0.regval); + + /* + * Lock down a subset of GbE Flash Control Registers, e.g. + * PR0 to prevent the write-protection from being lifted. + * Once FLOCKDN is set, the registers protected by it cannot + * be written until FLOCKDN is cleared by a hardware reset. + */ + hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); + hsfsts.hsf_status.flockdn = true; + ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval); + + e1000_release_swflag_ich8lan(hw); +} + +/** * e1000_write_flash_data_ich8lan - Writes bytes to the NVM * @hw: pointer to the HW structure * @offset: The offset (in bytes) of the byte/word to read. @@ -1720,6 +1897,9 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) ew32(CTRL, (ctrl | E1000_CTRL_RST)); msleep(20); + /* release the swflag because it is not reset by hardware reset */ + e1000_release_swflag_ich8lan(hw); + ret_val = e1000e_get_auto_rd_done(hw); if (ret_val) { /* @@ -2189,13 +2369,14 @@ void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw) * 'LPLU Enabled' and 'Gig Disable' to force link speed negotiation * to a lower speed. * - * Should only be called for ICH9 devices. + * Should only be called for ICH9 and ICH10 devices. **/ void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw) { u32 phy_ctrl; - if (hw->mac.type == e1000_ich9lan) { + if ((hw->mac.type == e1000_ich10lan) || + (hw->mac.type == e1000_ich9lan)) { phy_ctrl = er32(PHY_CTRL); phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU | E1000_PHY_CTRL_GBE_DISABLE; @@ -2253,6 +2434,39 @@ static s32 e1000_led_off_ich8lan(struct e1000_hw *hw) } /** + * e1000_get_cfg_done_ich8lan - Read config done bit + * @hw: pointer to the HW structure + * + * Read the management control register for the config done bit for + * completion status. NOTE: silicon which is EEPROM-less will fail trying + * to read the config done bit, so an error is *ONLY* logged and returns + * E1000_SUCCESS. If we were to return with error, EEPROM-less silicon + * would not be able to be reset or change link. + **/ +static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw) +{ + u32 bank = 0; + + e1000e_get_cfg_done(hw); + + /* If EEPROM is not marked present, init the IGP 3 PHY manually */ + if (hw->mac.type != e1000_ich10lan) { + if (((er32(EECD) & E1000_EECD_PRES) == 0) && + (hw->phy.type == e1000_phy_igp_3)) { + e1000e_phy_init_script_igp3(hw); + } + } else { + if (e1000_valid_nvm_bank_detect_ich8lan(hw, &bank)) { + /* Maybe we should do a basic PHY config */ + hw_dbg(hw, "EEPROM not present\n"); + return -E1000_ERR_CONFIG; + } + } + + return 0; +} + +/** * e1000_clear_hw_cntrs_ich8lan - Clear statistical counters * @hw: pointer to the HW structure * @@ -2282,7 +2496,7 @@ static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw) } static struct e1000_mac_operations ich8_mac_ops = { - .mng_mode_enab = E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT, + .check_mng_mode = e1000_check_mng_mode_ich8lan, .check_for_link = e1000e_check_for_copper_link, .cleanup_led = e1000_cleanup_led_ich8lan, .clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan, @@ -2302,7 +2516,7 @@ static struct e1000_phy_operations ich8_phy_ops = { .check_reset_block = e1000_check_reset_block_ich8lan, .commit_phy = NULL, .force_speed_duplex = e1000_phy_force_speed_duplex_ich8lan, - .get_cfg_done = e1000e_get_cfg_done, + .get_cfg_done = e1000_get_cfg_done_ich8lan, .get_cable_length = e1000e_get_cable_length_igp_2, .get_phy_info = e1000_get_phy_info_ich8lan, .read_phy_reg = e1000e_read_phy_reg_igp, @@ -2357,3 +2571,20 @@ struct e1000_info e1000_ich9_info = { .nvm_ops = &ich8_nvm_ops, }; +struct e1000_info e1000_ich10_info = { + .mac = e1000_ich10lan, + .flags = FLAG_HAS_JUMBO_FRAMES + | FLAG_IS_ICH + | FLAG_HAS_WOL + | FLAG_RX_CSUM_ENABLED + | FLAG_HAS_CTRLEXT_ON_LOAD + | FLAG_HAS_AMT + | FLAG_HAS_ERT + | FLAG_HAS_FLASH + | FLAG_APME_IN_WUC, + .pba = 10, + .get_variants = e1000_get_variants_ich8lan, + .mac_ops = &ich8_mac_ops, + .phy_ops = &ich8_phy_ops, + .nvm_ops = &ich8_nvm_ops, +}; diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c index f1f4e9d..089578f 100644 --- a/drivers/net/e1000e/lib.c +++ b/drivers/net/e1000e/lib.c @@ -2012,6 +2012,7 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) } msleep(10); + nvm->ops.release_nvm(hw); return 0; } @@ -2222,17 +2223,18 @@ static s32 e1000_mng_enable_host_if(struct e1000_hw *hw) } /** - * e1000e_check_mng_mode - check management mode + * e1000e_check_mng_mode_generic - check management mode * @hw: pointer to the HW structure * * Reads the firmware semaphore register and returns true (>0) if * manageability is enabled, else false (0). **/ -bool e1000e_check_mng_mode(struct e1000_hw *hw) +bool e1000e_check_mng_mode_generic(struct e1000_hw *hw) { u32 fwsm = er32(FWSM); - return (fwsm & E1000_FWSM_MODE_MASK) == hw->mac.ops.mng_mode_enab; + return (fwsm & E1000_FWSM_MODE_MASK) == + (E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT); } /** diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index d266510..abd492b 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -47,7 +47,7 @@ #include "e1000.h" -#define DRV_VERSION "0.3.3.3-k2" +#define DRV_VERSION "0.3.3.3-k6" char e1000e_driver_name[] = "e1000e"; const char e1000e_driver_version[] = DRV_VERSION; @@ -55,9 +55,11 @@ static const struct e1000_info *e1000_info_tbl[] = { [board_82571] = &e1000_82571_info, [board_82572] = &e1000_82572_info, [board_82573] = &e1000_82573_info, + [board_82574] = &e1000_82574_info, [board_80003es2lan] = &e1000_es2_info, [board_ich8lan] = &e1000_ich8_info, [board_ich9lan] = &e1000_ich9_info, + [board_ich10lan] = &e1000_ich10_info, }; #ifdef DEBUG @@ -1115,6 +1117,14 @@ static void e1000_clean_rx_ring(struct e1000_adapter *adapter) writel(0, adapter->hw.hw_addr + rx_ring->tail); } +static void e1000e_downshift_workaround(struct work_struct *work) +{ + struct e1000_adapter *adapter = container_of(work, + struct e1000_adapter, downshift_task); + + e1000e_gig_downshift_workaround_ich8lan(&adapter->hw); +} + /** * e1000_intr_msi - Interrupt Handler * @irq: interrupt number @@ -1139,7 +1149,7 @@ static irqreturn_t e1000_intr_msi(int irq, void *data) */ if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) && (!(er32(STATUS) & E1000_STATUS_LU))) - e1000e_gig_downshift_workaround_ich8lan(hw); + schedule_work(&adapter->downshift_task); /* * 80003ES2LAN workaround-- For packet buffer work-around on @@ -1179,8 +1189,8 @@ static irqreturn_t e1000_intr(int irq, void *data) struct net_device *netdev = data; struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - u32 rctl, icr = er32(ICR); + if (!icr) return IRQ_NONE; /* Not our interrupt */ @@ -1205,7 +1215,7 @@ static irqreturn_t e1000_intr(int irq, void *data) */ if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) && (!(er32(STATUS) & E1000_STATUS_LU))) - e1000e_gig_downshift_workaround_ich8lan(hw); + schedule_work(&adapter->downshift_task); /* * 80003ES2LAN workaround-- @@ -1236,6 +1246,263 @@ static irqreturn_t e1000_intr(int irq, void *data) return IRQ_HANDLED; } +static irqreturn_t e1000_msix_other(int irq, void *data) +{ + struct net_device *netdev = data; + struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; + u32 icr = er32(ICR); + + if (!(icr & E1000_ICR_INT_ASSERTED)) { + ew32(IMS, E1000_IMS_OTHER); + return IRQ_NONE; + } + + if (icr & adapter->eiac_mask) + ew32(ICS, (icr & adapter->eiac_mask)); + + if (icr & E1000_ICR_OTHER) { + if (!(icr & E1000_ICR_LSC)) + goto no_link_interrupt; + hw->mac.get_link_status = 1; + /* guard against interrupt when we're going down */ + if (!test_bit(__E1000_DOWN, &adapter->state)) + mod_timer(&adapter->watchdog_timer, jiffies + 1); + } + +no_link_interrupt: + ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER); + + return IRQ_HANDLED; +} + + +static irqreturn_t e1000_intr_msix_tx(int irq, void *data) +{ + struct net_device *netdev = data; + struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; + struct e1000_ring *tx_ring = adapter->tx_ring; + + + adapter->total_tx_bytes = 0; + adapter->total_tx_packets = 0; + + if (!e1000_clean_tx_irq(adapter)) + /* Ring was not completely cleaned, so fire another interrupt */ + ew32(ICS, tx_ring->ims_val); + + return IRQ_HANDLED; +} + +static irqreturn_t e1000_intr_msix_rx(int irq, void *data) +{ + struct net_device *netdev = data; + struct e1000_adapter *adapter = netdev_priv(netdev); + + /* Write the ITR value calculated at the end of the + * previous interrupt. + */ + if (adapter->rx_ring->set_itr) { + writel(1000000000 / (adapter->rx_ring->itr_val * 256), + adapter->hw.hw_addr + adapter->rx_ring->itr_register); + adapter->rx_ring->set_itr = 0; + } + + if (netif_rx_schedule_prep(netdev, &adapter->napi)) { + adapter->total_rx_bytes = 0; + adapter->total_rx_packets = 0; + __netif_rx_schedule(netdev, &adapter->napi); + } + return IRQ_HANDLED; +} + +/** + * e1000_configure_msix - Configure MSI-X hardware + * + * e1000_configure_msix sets up the hardware to properly + * generate MSI-X interrupts. + **/ +static void e1000_configure_msix(struct e1000_adapter *adapter) +{ + struct e1000_hw *hw = &adapter->hw; + struct e1000_ring *rx_ring = adapter->rx_ring; + struct e1000_ring *tx_ring = adapter->tx_ring; + int vector = 0; + u32 ctrl_ext, ivar = 0; + + adapter->eiac_mask = 0; + + /* Workaround issue with spurious interrupts on 82574 in MSI-X mode */ + if (hw->mac.type == e1000_82574) { + u32 rfctl = er32(RFCTL); + rfctl |= E1000_RFCTL_ACK_DIS; + ew32(RFCTL, rfctl); + } + +#define E1000_IVAR_INT_ALLOC_VALID 0x8 + /* Configure Rx vector */ + rx_ring->ims_val = E1000_IMS_RXQ0; + adapter->eiac_mask |= rx_ring->ims_val; + if (rx_ring->itr_val) + writel(1000000000 / (rx_ring->itr_val * 256), + hw->hw_addr + rx_ring->itr_register); + else + writel(1, hw->hw_addr + rx_ring->itr_register); + ivar = E1000_IVAR_INT_ALLOC_VALID | vector; + + /* Configure Tx vector */ + tx_ring->ims_val = E1000_IMS_TXQ0; + vector++; + if (tx_ring->itr_val) + writel(1000000000 / (tx_ring->itr_val * 256), + hw->hw_addr + tx_ring->itr_register); + else + writel(1, hw->hw_addr + tx_ring->itr_register); + adapter->eiac_mask |= tx_ring->ims_val; + ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8); + + /* set vector for Other Causes, e.g. link changes */ + vector++; + ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16); + if (rx_ring->itr_val) + writel(1000000000 / (rx_ring->itr_val * 256), + hw->hw_addr + E1000_EITR_82574(vector)); + else + writel(1, hw->hw_addr + E1000_EITR_82574(vector)); + + /* Cause Tx interrupts on every write back */ + ivar |= (1 << 31); + + ew32(IVAR, ivar); + + /* enable MSI-X PBA support */ + ctrl_ext = er32(CTRL_EXT); + ctrl_ext |= E1000_CTRL_EXT_PBA_CLR; + + /* Auto-Mask Other interrupts upon ICR read */ +#define E1000_EIAC_MASK_82574 0x01F00000 + ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER); + ctrl_ext |= E1000_CTRL_EXT_EIAME; + ew32(CTRL_EXT, ctrl_ext); + e1e_flush(); +} + +void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter) +{ + if (adapter->msix_entries) { + pci_disable_msix(adapter->pdev); + kfree(adapter->msix_entries); + adapter->msix_entries = NULL; + } else if (adapter->flags & FLAG_MSI_ENABLED) { + pci_disable_msi(adapter->pdev); + adapter->flags &= ~FLAG_MSI_ENABLED; + } + + return; +} + +/** + * e1000e_set_interrupt_capability - set MSI or MSI-X if supported + * + * Attempt to configure interrupts using the best available + * capabilities of the hardware and kernel. + **/ +void e1000e_set_interrupt_capability(struct e1000_adapter *adapter) +{ + int err; + int numvecs, i; + + + switch (adapter->int_mode) { + case E1000E_INT_MODE_MSIX: + if (adapter->flags & FLAG_HAS_MSIX) { + numvecs = 3; /* RxQ0, TxQ0 and other */ + adapter->msix_entries = kcalloc(numvecs, + sizeof(struct msix_entry), + GFP_KERNEL); + if (adapter->msix_entries) { + for (i = 0; i < numvecs; i++) + adapter->msix_entries[i].entry = i; + + err = pci_enable_msix(adapter->pdev, + adapter->msix_entries, + numvecs); + if (err == 0) + return; + } + /* MSI-X failed, so fall through and try MSI */ + e_err("Failed to initialize MSI-X interrupts. " + "Falling back to MSI interrupts.\n"); + e1000e_reset_interrupt_capability(adapter); + } + adapter->int_mode = E1000E_INT_MODE_MSI; + /* Fall through */ + case E1000E_INT_MODE_MSI: + if (!pci_enable_msi(adapter->pdev)) { + adapter->flags |= FLAG_MSI_ENABLED; + } else { + adapter->int_mode = E1000E_INT_MODE_LEGACY; + e_err("Failed to initialize MSI interrupts. Falling " + "back to legacy interrupts.\n"); + } + /* Fall through */ + case E1000E_INT_MODE_LEGACY: + /* Don't do anything; this is the system default */ + break; + } + + return; +} + +/** + * e1000_request_msix - Initialize MSI-X interrupts + * + * e1000_request_msix allocates MSI-X vectors and requests interrupts from the + * kernel. + **/ +static int e1000_request_msix(struct e1000_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int err = 0, vector = 0; + + if (strlen(netdev->name) < (IFNAMSIZ - 5)) + sprintf(adapter->rx_ring->name, "%s-rx0", netdev->name); + else + memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ); + err = request_irq(adapter->msix_entries[vector].vector, + &e1000_intr_msix_rx, 0, adapter->rx_ring->name, + netdev); + if (err) + goto out; + adapter->rx_ring->itr_register = E1000_EITR_82574(vector); + adapter->rx_ring->itr_val = adapter->itr; + vector++; + + if (strlen(netdev->name) < (IFNAMSIZ - 5)) + sprintf(adapter->tx_ring->name, "%s-tx0", netdev->name); + else + memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ); + err = request_irq(adapter->msix_entries[vector].vector, + &e1000_intr_msix_tx, 0, adapter->tx_ring->name, + netdev); + if (err) + goto out; + adapter->tx_ring->itr_register = E1000_EITR_82574(vector); + adapter->tx_ring->itr_val = adapter->itr; + vector++; + + err = request_irq(adapter->msix_entries[vector].vector, + &e1000_msix_other, 0, netdev->name, netdev); + if (err) + goto out; + + e1000_configure_msix(adapter); + return 0; +out: + return err; +} + /** * e1000_request_irq - initialize interrupts * @@ -1245,29 +1512,33 @@ static irqreturn_t e1000_intr(int irq, void *data) static int e1000_request_irq(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; - int irq_flags = IRQF_SHARED; int err; - if (!(adapter->flags & FLAG_MSI_TEST_FAILED)) { - err = pci_enable_msi(adapter->pdev); - if (!err) { - adapter->flags |= FLAG_MSI_ENABLED; - irq_flags = 0; - } + if (adapter->msix_entries) { + err = e1000_request_msix(adapter); + if (!err) + return err; + /* fall back to MSI */ + e1000e_reset_interrupt_capability(adapter); + adapter->int_mode = E1000E_INT_MODE_MSI; + e1000e_set_interrupt_capability(adapter); } + if (adapter->flags & FLAG_MSI_ENABLED) { + err = request_irq(adapter->pdev->irq, &e1000_intr_msi, 0, + netdev->name, netdev); + if (!err) + return err; - err = request_irq(adapter->pdev->irq, - ((adapter->flags & FLAG_MSI_ENABLED) ? - &e1000_intr_msi : &e1000_intr), - irq_flags, netdev->name, netdev); - if (err) { - if (adapter->flags & FLAG_MSI_ENABLED) { - pci_disable_msi(adapter->pdev); - adapter->flags &= ~FLAG_MSI_ENABLED; - } - e_err("Unable to allocate interrupt, Error: %d\n", err); + /* fall back to legacy interrupt */ + e1000e_reset_interrupt_capability(adapter); + adapter->int_mode = E1000E_INT_MODE_LEGACY; } + err = request_irq(adapter->pdev->irq, &e1000_intr, IRQF_SHARED, + netdev->name, netdev); + if (err) + e_err("Unable to allocate interrupt, Error: %d\n", err); + return err; } @@ -1275,11 +1546,21 @@ static void e1000_free_irq(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; - free_irq(adapter->pdev->irq, netdev); - if (adapter->flags & FLAG_MSI_ENABLED) { - pci_disable_msi(adapter->pdev); - adapter->flags &= ~FLAG_MSI_ENABLED; + if (adapter->msix_entries) { + int vector = 0; + + free_irq(adapter->msix_entries[vector].vector, netdev); + vector++; + + free_irq(adapter->msix_entries[vector].vector, netdev); + vector++; + + /* Other Causes interrupt vector */ + free_irq(adapter->msix_entries[vector].vector, netdev); + return; } + + free_irq(adapter->pdev->irq, netdev); } /** @@ -1290,6 +1571,8 @@ static void e1000_irq_disable(struct e1000_adapter *adapter) struct e1000_hw *hw = &adapter->hw; ew32(IMC, ~0); + if (adapter->msix_entries) + ew32(EIAC_82574, 0); e1e_flush(); synchronize_irq(adapter->pdev->irq); } @@ -1301,7 +1584,12 @@ static void e1000_irq_enable(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; - ew32(IMS, IMS_ENABLE_MASK); + if (adapter->msix_entries) { + ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574); + ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC); + } else { + ew32(IMS, IMS_ENABLE_MASK); + } e1e_flush(); } @@ -1551,9 +1839,8 @@ void e1000e_free_rx_resources(struct e1000_adapter *adapter) * traffic pattern. Constants in this function were computed * based on theoretical maximum wire speed and thresholds were set based * on testing data as well as attempting to minimize response time - * while increasing bulk throughput. - * this functionality is controlled by the InterruptThrottleRate module - * parameter (see e1000_param.c) + * while increasing bulk throughput. This functionality is controlled + * by the InterruptThrottleRate module parameter. **/ static unsigned int e1000_update_itr(struct e1000_adapter *adapter, u16 itr_setting, int packets, @@ -1661,11 +1948,37 @@ set_itr_now: min(adapter->itr + (new_itr >> 2), new_itr) : new_itr; adapter->itr = new_itr; - ew32(ITR, 1000000000 / (new_itr * 256)); + adapter->rx_ring->itr_val = new_itr; + if (adapter->msix_entries) + adapter->rx_ring->set_itr = 1; + else + ew32(ITR, 1000000000 / (new_itr * 256)); } } /** + * e1000_alloc_queues - Allocate memory for all rings + * @adapter: board private structure to initialize + **/ +static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter) +{ + adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); + if (!adapter->tx_ring) + goto err; + + adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); + if (!adapter->rx_ring) + goto err; + + return 0; +err: + e_err("Unable to allocate memory for queues\n"); + kfree(adapter->rx_ring); + kfree(adapter->tx_ring); + return -ENOMEM; +} + +/** * e1000_clean - NAPI Rx polling callback * @napi: struct associated with this polling callback * @budget: amount of packets driver is allowed to process this poll @@ -1673,12 +1986,17 @@ set_itr_now: static int e1000_clean(struct napi_struct *napi, int budget) { struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi); + struct e1000_hw *hw = &adapter->hw; struct net_device *poll_dev = adapter->netdev; int tx_cleaned = 0, work_done = 0; /* Must NOT use netdev_priv macro here. */ adapter = poll_dev->priv; + if (adapter->msix_entries && + !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val)) + goto clean_rx; + /* * e1000_clean is called per-cpu. This lock protects * tx_ring from being cleaned by multiple cpus @@ -1690,6 +2008,7 @@ static int e1000_clean(struct napi_struct *napi, int budget) spin_unlock(&adapter->tx_queue_lock); } +clean_rx: adapter->clean_rx(adapter, &work_done, budget); if (tx_cleaned) @@ -1700,7 +2019,10 @@ static int e1000_clean(struct napi_struct *napi, int budget) if (adapter->itr_setting & 3) e1000_set_itr(adapter); netif_rx_complete(poll_dev, napi); - e1000_irq_enable(adapter); + if (adapter->msix_entries) + ew32(IMS, adapter->rx_ring->ims_val); + else + e1000_irq_enable(adapter); } return work_done; @@ -2496,6 +2818,8 @@ int e1000e_up(struct e1000_adapter *adapter) clear_bit(__E1000_DOWN, &adapter->state); napi_enable(&adapter->napi); + if (adapter->msix_entries) + e1000_configure_msix(adapter); e1000_irq_enable(adapter); /* fire a link change interrupt to start the watchdog */ @@ -2579,29 +2903,18 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter) adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; - adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); - if (!adapter->tx_ring) - goto err; + e1000e_set_interrupt_capability(adapter); - adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); - if (!adapter->rx_ring) - goto err; + if (e1000_alloc_queues(adapter)) + return -ENOMEM; spin_lock_init(&adapter->tx_queue_lock); /* Explicitly disable IRQ since the NIC can be in any state. */ e1000_irq_disable(adapter); - spin_lock_init(&adapter->stats_lock); - set_bit(__E1000_DOWN, &adapter->state); return 0; - -err: - e_err("Unable to allocate memory for queues\n"); - kfree(adapter->rx_ring); - kfree(adapter->tx_ring); - return -ENOMEM; } /** @@ -2643,6 +2956,7 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter) /* free the real vector and request a test handler */ e1000_free_irq(adapter); + e1000e_reset_interrupt_capability(adapter); /* Assume that the test fails, if it succeeds then the test * MSI irq handler will unset this flag */ @@ -2673,6 +2987,7 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter) rmb(); if (adapter->flags & FLAG_MSI_TEST_FAILED) { + adapter->int_mode = E1000E_INT_MODE_LEGACY; err = -EIO; e_info("MSI interrupt test failed!\n"); } @@ -2686,7 +3001,7 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter) /* okay so the test worked, restore settings */ e_dbg("%s: MSI interrupt test succeeded!\n", netdev->name); msi_test_failed: - /* restore the original vector, even if it failed */ + e1000e_set_interrupt_capability(adapter); e1000_request_irq(adapter); return err; } @@ -2796,7 +3111,7 @@ static int e1000_open(struct net_device *netdev) * ignore e1000e MSI messages, which means we need to test our MSI * interrupt now */ - { + if (adapter->int_mode != E1000E_INT_MODE_LEGACY) { err = e1000_test_msi(adapter); if (err) { e_err("Interrupt allocation failed\n"); @@ -2912,6 +3227,21 @@ static int e1000_set_mac(struct net_device *netdev, void *p) return 0; } +/** + * e1000e_update_phy_task - work thread to update phy + * @work: pointer to our work struct + * + * this worker thread exists because we must acquire a + * semaphore to read the phy, which we could msleep while + * waiting for it, and we can't msleep in a timer. + **/ +static void e1000e_update_phy_task(struct work_struct *work) +{ + struct e1000_adapter *adapter = container_of(work, + struct e1000_adapter, update_phy_task); + e1000_get_phy_info(&adapter->hw); +} + /* * Need to wait a few seconds after link up to get diagnostic information from * the phy @@ -2919,7 +3249,7 @@ static int e1000_set_mac(struct net_device *netdev, void *p) static void e1000_update_phy_info(unsigned long data) { struct e1000_adapter *adapter = (struct e1000_adapter *) data; - e1000_get_phy_info(&adapter->hw); + schedule_work(&adapter->update_phy_task); } /** @@ -2930,10 +3260,6 @@ void e1000e_update_stats(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; struct pci_dev *pdev = adapter->pdev; - unsigned long irq_flags; - u16 phy_tmp; - -#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF /* * Prevent stats update while adapter is being reset, or if the pci @@ -2944,14 +3270,6 @@ void e1000e_update_stats(struct e1000_adapter *adapter) if (pci_channel_offline(pdev)) return; - spin_lock_irqsave(&adapter->stats_lock, irq_flags); - - /* - * these counters are modified from e1000_adjust_tbi_stats, - * called from the interrupt context, so they must only - * be written while holding adapter->stats_lock - */ - adapter->stats.crcerrs += er32(CRCERRS); adapter->stats.gprc += er32(GPRC); adapter->stats.gorc += er32(GORCL); @@ -2988,7 +3306,8 @@ void e1000e_update_stats(struct e1000_adapter *adapter) adapter->stats.algnerrc += er32(ALGNERRC); adapter->stats.rxerrc += er32(RXERRC); - adapter->stats.tncrs += er32(TNCRS); + if (hw->mac.type != e1000_82574) + adapter->stats.tncrs += er32(TNCRS); adapter->stats.cexterr += er32(CEXTERR); adapter->stats.tsctc += er32(TSCTC); adapter->stats.tsctfc += er32(TSCTFC); @@ -3022,21 +3341,10 @@ void e1000e_update_stats(struct e1000_adapter *adapter) /* Tx Dropped needs to be maintained elsewhere */ - /* Phy Stats */ - if (hw->phy.media_type == e1000_media_type_copper) { - if ((adapter->link_speed == SPEED_1000) && - (!e1e_rphy(hw, PHY_1000T_STATUS, &phy_tmp))) { - phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK; - adapter->phy_stats.idle_errors += phy_tmp; - } - } - /* Management Stats */ adapter->stats.mgptc += er32(MGTPTC); adapter->stats.mgprc += er32(MGTPRC); adapter->stats.mgpdc += er32(MGTPDC); - - spin_unlock_irqrestore(&adapter->stats_lock, irq_flags); } /** @@ -3048,10 +3356,6 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter) struct e1000_hw *hw = &adapter->hw; struct e1000_phy_regs *phy = &adapter->phy_regs; int ret_val; - unsigned long irq_flags; - - - spin_lock_irqsave(&adapter->stats_lock, irq_flags); if ((er32(STATUS) & E1000_STATUS_LU) && (adapter->hw.phy.media_type == e1000_media_type_copper)) { @@ -3082,8 +3386,6 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter) phy->stat1000 = 0; phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF); } - - spin_unlock_irqrestore(&adapter->stats_lock, irq_flags); } static void e1000_print_link_info(struct e1000_adapter *adapter) @@ -3201,6 +3503,27 @@ static void e1000_watchdog_task(struct work_struct *work) &adapter->link_duplex); e1000_print_link_info(adapter); /* + * On supported PHYs, check for duplex mismatch only + * if link has autonegotiated at 10/100 half + */ + if ((hw->phy.type == e1000_phy_igp_3 || + hw->phy.type == e1000_phy_bm) && + (hw->mac.autoneg == true) && + (adapter->link_speed == SPEED_10 || + adapter->link_speed == SPEED_100) && + (adapter->link_duplex == HALF_DUPLEX)) { + u16 autoneg_exp; + + e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp); + + if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS)) + e_info("Autonegotiated half duplex but" + " link partner cannot autoneg. " + " Try forcing full duplex if " + "link gets many collisions.\n"); + } + + /* * tweak tx_queue_len according to speed/duplex * and adjust the timeout factor */ @@ -3315,7 +3638,10 @@ link_up: } /* Cause software interrupt to ensure Rx ring is cleaned */ - ew32(ICS, E1000_ICS_RXDMT0); + if (adapter->msix_entries) + ew32(ICS, adapter->rx_ring->ims_val); + else + ew32(ICS, E1000_ICS_RXDMT0); /* Force detection of hung controller every watchdog period */ adapter->detect_tx_hung = 1; @@ -3423,34 +3749,50 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb) struct e1000_buffer *buffer_info; unsigned int i; u8 css; + u32 cmd_len = E1000_TXD_CMD_DEXT; - if (skb->ip_summed == CHECKSUM_PARTIAL) { - css = skb_transport_offset(skb); - - i = tx_ring->next_to_use; - buffer_info = &tx_ring->buffer_info[i]; - context_desc = E1000_CONTEXT_DESC(*tx_ring, i); - - context_desc->lower_setup.ip_config = 0; - context_desc->upper_setup.tcp_fields.tucss = css; - context_desc->upper_setup.tcp_fields.tucso = - css + skb->csum_offset; - context_desc->upper_setup.tcp_fields.tucse = 0; - context_desc->tcp_seg_setup.data = 0; - context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT); + if (skb->ip_summed != CHECKSUM_PARTIAL) + return 0; - buffer_info->time_stamp = jiffies; - buffer_info->next_to_watch = i; + switch (skb->protocol) { + case __constant_htons(ETH_P_IP): + if (ip_hdr(skb)->protocol == IPPROTO_TCP) + cmd_len |= E1000_TXD_CMD_TCP; + break; + case __constant_htons(ETH_P_IPV6): + /* XXX not handling all IPV6 headers */ + if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) + cmd_len |= E1000_TXD_CMD_TCP; + break; + default: + if (unlikely(net_ratelimit())) + e_warn("checksum_partial proto=%x!\n", skb->protocol); + break; + } - i++; - if (i == tx_ring->count) - i = 0; - tx_ring->next_to_use = i; + css = skb_transport_offset(skb); - return 1; - } + i = tx_ring->next_to_use; + buffer_info = &tx_ring->buffer_info[i]; + context_desc = E1000_CONTEXT_DESC(*tx_ring, i); + + context_desc->lower_setup.ip_config = 0; + context_desc->upper_setup.tcp_fields.tucss = css; + context_desc->upper_setup.tcp_fields.tucso = + css + skb->csum_offset; + context_desc->upper_setup.tcp_fields.tucse = 0; + context_desc->tcp_seg_setup.data = 0; + context_desc->cmd_and_length = cpu_to_le32(cmd_len); + + buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = i; + + i++; + if (i == tx_ring->count) + i = 0; + tx_ring->next_to_use = i; - return 0; + return 1; } #define E1000_MAX_PER_TXD 8192 @@ -4032,6 +4374,7 @@ static int e1000_suspend(struct pci_dev *pdev, pm_message_t state) e1000e_down(adapter); e1000_free_irq(adapter); } + e1000e_reset_interrupt_capability(adapter); retval = pci_save_state(pdev); if (retval) @@ -4158,6 +4501,7 @@ static int e1000_resume(struct pci_dev *pdev) pci_enable_wake(pdev, PCI_D3hot, 0); pci_enable_wake(pdev, PCI_D3cold, 0); + e1000e_set_interrupt_capability(adapter); if (netif_running(netdev)) { err = e1000_request_irq(adapter); if (err) @@ -4335,13 +4679,15 @@ static void e1000_eeprom_checks(struct e1000_adapter *adapter) ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf); if (!(le16_to_cpu(buf) & (1 << 0))) { /* Deep Smart Power Down (DSPD) */ - e_warn("Warning: detected DSPD enabled in EEPROM\n"); + dev_warn(&adapter->pdev->dev, + "Warning: detected DSPD enabled in EEPROM\n"); } ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf); if (le16_to_cpu(buf) & (3 << 2)) { /* ASPM enable */ - e_warn("Warning: detected ASPM enabled in EEPROM\n"); + dev_warn(&adapter->pdev->dev, + "Warning: detected ASPM enabled in EEPROM\n"); } } @@ -4467,6 +4813,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev, adapter->bd_number = cards_found++; + e1000e_check_options(adapter); + /* setup adapter struct */ err = e1000_sw_init(adapter); if (err) @@ -4482,6 +4830,10 @@ static int __devinit e1000_probe(struct pci_dev *pdev, if (err) goto err_hw_init; + if ((adapter->flags & FLAG_IS_ICH) && + (adapter->flags & FLAG_READ_ONLY_NVM)) + e1000e_write_protect_nvm_ich8lan(&adapter->hw); + hw->mac.ops.get_bus_info(&adapter->hw); adapter->hw.phy.autoneg_wait_to_complete = 0; @@ -4572,8 +4924,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev, INIT_WORK(&adapter->reset_task, e1000_reset_task); INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task); - - e1000e_check_options(adapter); + INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround); + INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task); /* Initialize link parameters. User can change them with ethtool */ adapter->hw.mac.autoneg = 1; @@ -4704,6 +5056,7 @@ static void __devexit e1000_remove(struct pci_dev *pdev) if (!e1000_check_reset_block(&adapter->hw)) e1000_phy_hw_reset(&adapter->hw); + e1000e_reset_interrupt_capability(adapter); kfree(adapter->tx_ring); kfree(adapter->rx_ring); @@ -4745,6 +5098,8 @@ static struct pci_device_id e1000_pci_tbl[] = { { PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT), board_80003es2lan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT), @@ -4767,6 +5122,7 @@ static struct pci_device_id e1000_pci_tbl[] = { { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan }, @@ -4775,6 +5131,9 @@ static struct pci_device_id e1000_pci_tbl[] = { { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan }, + { } /* terminate list */ }; MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); diff --git a/drivers/net/e1000e/param.c b/drivers/net/e1000e/param.c index ed912e0..77a3d72 100644 --- a/drivers/net/e1000e/param.c +++ b/drivers/net/e1000e/param.c @@ -114,6 +114,15 @@ E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); #define DEFAULT_ITR 3 #define MAX_ITR 100000 #define MIN_ITR 100 +/* IntMode (Interrupt Mode) + * + * Valid Range: 0 - 2 + * + * Default Value: 2 (MSI-X) + */ +E1000_PARAM(IntMode, "Interrupt Mode"); +#define MAX_INTMODE 2 +#define MIN_INTMODE 0 /* * Enable Smart Power Down of the PHY @@ -133,6 +142,15 @@ E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down"); */ E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround"); +/* + * Write Protect NVM + * + * Valid Range: 0, 1 + * + * Default Value: 1 (enabled) + */ +E1000_PARAM(WriteProtectNVM, "Write-protect NVM [WARNING: disabling this can lead to corrupted NVM]"); + struct e1000_option { enum { enable_option, range_option, list_option } type; const char *name; @@ -352,6 +370,24 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter) adapter->itr = 20000; } } + { /* Interrupt Mode */ + struct e1000_option opt = { + .type = range_option, + .name = "Interrupt Mode", + .err = "defaulting to 2 (MSI-X)", + .def = E1000E_INT_MODE_MSIX, + .arg = { .r = { .min = MIN_INTMODE, + .max = MAX_INTMODE } } + }; + + if (num_IntMode > bd) { + unsigned int int_mode = IntMode[bd]; + e1000_validate_option(&int_mode, &opt, adapter); + adapter->int_mode = int_mode; + } else { + adapter->int_mode = opt.def; + } + } { /* Smart Power Down */ const struct e1000_option opt = { .type = enable_option, @@ -388,4 +424,25 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter) opt.def); } } + { /* Write-protect NVM */ + const struct e1000_option opt = { + .type = enable_option, + .name = "Write-protect NVM", + .err = "defaulting to Enabled", + .def = OPTION_ENABLED + }; + + if (adapter->flags & FLAG_IS_ICH) { + if (num_WriteProtectNVM > bd) { + unsigned int write_protect_nvm = WriteProtectNVM[bd]; + e1000_validate_option(&write_protect_nvm, &opt, + adapter); + if (write_protect_nvm) + adapter->flags |= FLAG_READ_ONLY_NVM; + } else { + if (opt.def) + adapter->flags |= FLAG_READ_ONLY_NVM; + } + } + } } diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index b133dcf..6cd333a 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c @@ -476,7 +476,9 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw) if (ret_val) return ret_val; - if ((phy->type == e1000_phy_m88) && (phy->revision < 4)) { + if ((phy->type == e1000_phy_m88) && + (phy->revision < E1000_REVISION_4) && + (phy->id != BME1000_E_PHY_ID_R2)) { /* * Force TX_CLK in the Extended PHY Specific Control Register * to 25MHz clock. @@ -504,6 +506,18 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw) return ret_val; } + if ((phy->type == e1000_phy_bm) && (phy->id == BME1000_E_PHY_ID_R2)) { + /* Set PHY page 0, register 29 to 0x0003 */ + ret_val = e1e_wphy(hw, 29, 0x0003); + if (ret_val) + return ret_val; + + /* Set PHY page 0, register 30 to 0x0000 */ + ret_val = e1e_wphy(hw, 30, 0x0000); + if (ret_val) + return ret_val; + } + /* Commit the changes. */ ret_val = e1000e_commit_phy(hw); if (ret_val) @@ -1720,6 +1734,91 @@ s32 e1000e_get_cfg_done(struct e1000_hw *hw) return 0; } +/** + * e1000e_phy_init_script_igp3 - Inits the IGP3 PHY + * @hw: pointer to the HW structure + * + * Initializes a Intel Gigabit PHY3 when an EEPROM is not present. + **/ +s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw) +{ + hw_dbg(hw, "Running IGP 3 PHY init script\n"); + + /* PHY init IGP 3 */ + /* Enable rise/fall, 10-mode work in class-A */ + e1e_wphy(hw, 0x2F5B, 0x9018); + /* Remove all caps from Replica path filter */ + e1e_wphy(hw, 0x2F52, 0x0000); + /* Bias trimming for ADC, AFE and Driver (Default) */ + e1e_wphy(hw, 0x2FB1, 0x8B24); + /* Increase Hybrid poly bias */ + e1e_wphy(hw, 0x2FB2, 0xF8F0); + /* Add 4% to Tx amplitude in Gig mode */ + e1e_wphy(hw, 0x2010, 0x10B0); + /* Disable trimming (TTT) */ + e1e_wphy(hw, 0x2011, 0x0000); + /* Poly DC correction to 94.6% + 2% for all channels */ + e1e_wphy(hw, 0x20DD, 0x249A); + /* ABS DC correction to 95.9% */ + e1e_wphy(hw, 0x20DE, 0x00D3); + /* BG temp curve trim */ + e1e_wphy(hw, 0x28B4, 0x04CE); + /* Increasing ADC OPAMP stage 1 currents to max */ + e1e_wphy(hw, 0x2F70, 0x29E4); + /* Force 1000 ( required for enabling PHY regs configuration) */ + e1e_wphy(hw, 0x0000, 0x0140); + /* Set upd_freq to 6 */ + e1e_wphy(hw, 0x1F30, 0x1606); + /* Disable NPDFE */ + e1e_wphy(hw, 0x1F31, 0xB814); + /* Disable adaptive fixed FFE (Default) */ + e1e_wphy(hw, 0x1F35, 0x002A); + /* Enable FFE hysteresis */ + e1e_wphy(hw, 0x1F3E, 0x0067); + /* Fixed FFE for short cable lengths */ + e1e_wphy(hw, 0x1F54, 0x0065); + /* Fixed FFE for medium cable lengths */ + e1e_wphy(hw, 0x1F55, 0x002A); + /* Fixed FFE for long cable lengths */ + e1e_wphy(hw, 0x1F56, 0x002A); + /* Enable Adaptive Clip Threshold */ + e1e_wphy(hw, 0x1F72, 0x3FB0); + /* AHT reset limit to 1 */ + e1e_wphy(hw, 0x1F76, 0xC0FF); + /* Set AHT master delay to 127 msec */ + e1e_wphy(hw, 0x1F77, 0x1DEC); + /* Set scan bits for AHT */ + e1e_wphy(hw, 0x1F78, 0xF9EF); + /* Set AHT Preset bits */ + e1e_wphy(hw, 0x1F79, 0x0210); + /* Change integ_factor of channel A to 3 */ + e1e_wphy(hw, 0x1895, 0x0003); + /* Change prop_factor of channels BCD to 8 */ + e1e_wphy(hw, 0x1796, 0x0008); + /* Change cg_icount + enable integbp for channels BCD */ + e1e_wphy(hw, 0x1798, 0xD008); + /* + * Change cg_icount + enable integbp + change prop_factor_master + * to 8 for channel A + */ + e1e_wphy(hw, 0x1898, 0xD918); + /* Disable AHT in Slave mode on channel A */ + e1e_wphy(hw, 0x187A, 0x0800); + /* + * Enable LPLU and disable AN to 1000 in non-D0a states, + * Enable SPD+B2B + */ + e1e_wphy(hw, 0x0019, 0x008D); + /* Enable restart AN on an1000_dis change */ + e1e_wphy(hw, 0x001B, 0x2080); + /* Enable wh_fifo read clock in 10/100 modes */ + e1e_wphy(hw, 0x0014, 0x0045); + /* Restart AN, Speed selection is 1000 */ + e1e_wphy(hw, 0x0000, 0x1340); + + return 0; +} + /* Internal function pointers */ /** @@ -1969,6 +2068,99 @@ out: } /** + * e1000e_read_phy_reg_bm2 - Read BM PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore, if necessary, then reads the PHY register at offset + * and storing the retrieved information in data. Release any acquired + * semaphores before exiting. + **/ +s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data) +{ + s32 ret_val; + u16 page = (u16)(offset >> IGP_PAGE_SHIFT); + + /* 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; + } + + 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) { + + /* Page is shifted left, PHY expects (page x 32) */ + 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; + } + } + + ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, + data); + hw->phy.ops.release_phy(hw); + + return ret_val; +} + +/** + * e1000e_write_phy_reg_bm2 - Write BM PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * 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_bm2(struct e1000_hw *hw, u32 offset, u16 data) +{ + s32 ret_val; + u16 page = (u16)(offset >> IGP_PAGE_SHIFT); + + /* 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; + } + + 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) { + /* Page is shifted left, PHY expects (page x 32) */ + 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; + } + } + + ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, + data); + + hw->phy.ops.release_phy(hw); + + return ret_val; +} + +/** * e1000_access_phy_wakeup_reg_bm - Read BM PHY wakeup register * @hw: pointer to the HW structure * @offset: register offset to be read or written |
