diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_82599.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_82599.c | 178 |
1 files changed, 139 insertions, 39 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c index 00aeba385a2f..8ee661245af3 100644 --- a/drivers/net/ixgbe/ixgbe_82599.c +++ b/drivers/net/ixgbe/ixgbe_82599.c @@ -38,6 +38,7 @@ #define IXGBE_82599_RAR_ENTRIES 128 #define IXGBE_82599_MC_TBL_SIZE 128 #define IXGBE_82599_VFT_TBL_SIZE 128 +#define IXGBE_82599_RX_PB_SIZE 512 static void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); static void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); @@ -61,6 +62,7 @@ static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw, bool autoneg, bool autoneg_wait_to_complete); static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw); +static bool ixgbe_verify_lesm_fw_enabled_82599(struct ixgbe_hw *hw); static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw) { @@ -86,7 +88,8 @@ static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw) if ((mac->ops.get_media_type(hw) == ixgbe_media_type_backplane) && (hw->phy.smart_speed == ixgbe_smart_speed_auto || - hw->phy.smart_speed == ixgbe_smart_speed_on)) + hw->phy.smart_speed == ixgbe_smart_speed_on) && + !ixgbe_verify_lesm_fw_enabled_82599(hw)) mac->ops.setup_link = &ixgbe_setup_mac_link_smartspeed; else mac->ops.setup_link = &ixgbe_setup_mac_link_82599; @@ -107,7 +110,6 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw) ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset, &data_offset); - if (ret_val != 0) goto setup_sfp_out; @@ -127,9 +129,13 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw) } /* Release the semaphore */ - ixgbe_release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM); - /* Delay obtaining semaphore again to allow FW access */ - msleep(hw->eeprom.semaphore_delay); + hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM); + /* + * Delay obtaining semaphore again to allow FW access, + * semaphore_delay is in ms usleep_range needs us. + */ + usleep_range(hw->eeprom.semaphore_delay * 1000, + hw->eeprom.semaphore_delay * 2000); /* Now restart DSP by setting Restart_AN and clearing LMS */ IXGBE_WRITE_REG(hw, IXGBE_AUTOC, ((IXGBE_READ_REG(hw, @@ -138,7 +144,7 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw) /* Wait for AN to leave state 0 */ for (i = 0; i < 10; i++) { - msleep(4); + usleep_range(4000, 8000); reg_anlp1 = IXGBE_READ_REG(hw, IXGBE_ANLP1); if (reg_anlp1 & IXGBE_ANLP1_AN_STATE_MASK) break; @@ -353,6 +359,7 @@ static enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw) case IXGBE_DEV_ID_82599_SFP: case IXGBE_DEV_ID_82599_SFP_FCOE: case IXGBE_DEV_ID_82599_SFP_EM: + case IXGBE_DEV_ID_82599_SFP_SF2: media_type = ixgbe_media_type_fiber; break; case IXGBE_DEV_ID_82599_CX4: @@ -361,6 +368,9 @@ static enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw) case IXGBE_DEV_ID_82599_T3_LOM: media_type = ixgbe_media_type_copper; break; + case IXGBE_DEV_ID_82599_LS: + media_type = ixgbe_media_type_fiber_lco; + break; default: media_type = ixgbe_media_type_unknown; break; @@ -486,7 +496,7 @@ static void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) * * Set the link speed in the AUTOC register and restarts link. **/ -s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, +static s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, ixgbe_link_speed speed, bool autoneg, bool autoneg_wait_to_complete) @@ -1176,7 +1186,7 @@ s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc) if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) & IXGBE_FDIRCTRL_INIT_DONE) break; - msleep(1); + usleep_range(1000, 2000); } if (i >= IXGBE_FDIR_INIT_DONE_POLL) hw_dbg(hw, "Flow Director Signature poll time exceeded!\n"); @@ -1271,7 +1281,7 @@ s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc) if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) & IXGBE_FDIRCTRL_INIT_DONE) break; - msleep(1); + usleep_range(1000, 2000); } if (i >= IXGBE_FDIR_INIT_DONE_POLL) hw_dbg(hw, "Flow Director Perfect poll time exceeded!\n"); @@ -1740,30 +1750,29 @@ static s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val) * ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx * @hw: pointer to hardware structure * - * Starts the hardware using the generic start_hw function. - * Then performs device-specific: - * Clears the rate limiter registers. + * Starts the hardware using the generic start_hw function + * and the generation start_hw function. + * Then performs revision-specific operations, if any. **/ static s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw) { - u32 q_num; - s32 ret_val; + s32 ret_val = 0; ret_val = ixgbe_start_hw_generic(hw); + if (ret_val != 0) + goto out; - /* Clear the rate limiters */ - for (q_num = 0; q_num < hw->mac.max_tx_queues; q_num++) { - IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, q_num); - IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0); - } - IXGBE_WRITE_FLUSH(hw); + ret_val = ixgbe_start_hw_gen2(hw); + if (ret_val != 0) + goto out; /* We need to run link autotry after the driver loads */ hw->mac.autotry_restart = true; + hw->mac.rx_pb_size = IXGBE_82599_RX_PB_SIZE; if (ret_val == 0) ret_val = ixgbe_verify_fw_version_82599(hw); - +out: return ret_val; } @@ -1775,7 +1784,7 @@ static s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw) * If PHY already detected, maintains current PHY type in hw struct, * otherwise executes the PHY detection routine. **/ -s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw) +static s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw) { s32 status = IXGBE_ERR_PHY_ADDR_INVALID; @@ -1968,21 +1977,6 @@ static s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval) } /** - * ixgbe_get_device_caps_82599 - Get additional device capabilities - * @hw: pointer to hardware structure - * @device_caps: the EEPROM word with the extra device capabilities - * - * This function will read the EEPROM location for the device capabilities, - * and return the word through device_caps. - **/ -static s32 ixgbe_get_device_caps_82599(struct ixgbe_hw *hw, u16 *device_caps) -{ - hw->eeprom.ops.read(hw, IXGBE_DEVICE_CAPS, device_caps); - - return 0; -} - -/** * ixgbe_verify_fw_version_82599 - verify fw version for 82599 * @hw: pointer to hardware structure * @@ -2030,6 +2024,110 @@ fw_version_out: return status; } +/** + * ixgbe_verify_lesm_fw_enabled_82599 - Checks LESM FW module state. + * @hw: pointer to hardware structure + * + * Returns true if the LESM FW module is present and enabled. Otherwise + * returns false. Smart Speed must be disabled if LESM FW module is enabled. + **/ +static bool ixgbe_verify_lesm_fw_enabled_82599(struct ixgbe_hw *hw) +{ + bool lesm_enabled = false; + u16 fw_offset, fw_lesm_param_offset, fw_lesm_state; + s32 status; + + /* get the offset to the Firmware Module block */ + status = hw->eeprom.ops.read(hw, IXGBE_FW_PTR, &fw_offset); + + if ((status != 0) || + (fw_offset == 0) || (fw_offset == 0xFFFF)) + goto out; + + /* get the offset to the LESM Parameters block */ + status = hw->eeprom.ops.read(hw, (fw_offset + + IXGBE_FW_LESM_PARAMETERS_PTR), + &fw_lesm_param_offset); + + if ((status != 0) || + (fw_lesm_param_offset == 0) || (fw_lesm_param_offset == 0xFFFF)) + goto out; + + /* get the lesm state word */ + status = hw->eeprom.ops.read(hw, (fw_lesm_param_offset + + IXGBE_FW_LESM_STATE_1), + &fw_lesm_state); + + if ((status == 0) && + (fw_lesm_state & IXGBE_FW_LESM_STATE_ENABLED)) + lesm_enabled = true; + +out: + return lesm_enabled; +} + +/** + * ixgbe_read_eeprom_buffer_82599 - Read EEPROM word(s) using + * fastest available method + * + * @hw: pointer to hardware structure + * @offset: offset of word in EEPROM to read + * @words: number of words + * @data: word(s) read from the EEPROM + * + * Retrieves 16 bit word(s) read from EEPROM + **/ +static s32 ixgbe_read_eeprom_buffer_82599(struct ixgbe_hw *hw, u16 offset, + u16 words, u16 *data) +{ + struct ixgbe_eeprom_info *eeprom = &hw->eeprom; + s32 ret_val = IXGBE_ERR_CONFIG; + + /* + * If EEPROM is detected and can be addressed using 14 bits, + * use EERD otherwise use bit bang + */ + if ((eeprom->type == ixgbe_eeprom_spi) && + (offset + (words - 1) <= IXGBE_EERD_MAX_ADDR)) + ret_val = ixgbe_read_eerd_buffer_generic(hw, offset, words, + data); + else + ret_val = ixgbe_read_eeprom_buffer_bit_bang_generic(hw, offset, + words, + data); + + return ret_val; +} + +/** + * ixgbe_read_eeprom_82599 - Read EEPROM word using + * fastest available method + * + * @hw: pointer to hardware structure + * @offset: offset of word in the EEPROM to read + * @data: word read from the EEPROM + * + * Reads a 16 bit word from the EEPROM + **/ +static s32 ixgbe_read_eeprom_82599(struct ixgbe_hw *hw, + u16 offset, u16 *data) +{ + struct ixgbe_eeprom_info *eeprom = &hw->eeprom; + s32 ret_val = IXGBE_ERR_CONFIG; + + /* + * If EEPROM is detected and can be addressed using 14 bits, + * use EERD otherwise use bit bang + */ + if ((eeprom->type == ixgbe_eeprom_spi) && + (offset <= IXGBE_EERD_MAX_ADDR)) + ret_val = ixgbe_read_eerd_generic(hw, offset, data); + else + ret_val = ixgbe_read_eeprom_bit_bang_generic(hw, offset, data); + + return ret_val; +} + static struct ixgbe_mac_operations mac_ops_82599 = { .init_hw = &ixgbe_init_hw_generic, .reset_hw = &ixgbe_reset_hw_82599, @@ -2040,7 +2138,7 @@ static struct ixgbe_mac_operations mac_ops_82599 = { .enable_rx_dma = &ixgbe_enable_rx_dma_82599, .get_mac_addr = &ixgbe_get_mac_addr_generic, .get_san_mac_addr = &ixgbe_get_san_mac_addr_generic, - .get_device_caps = &ixgbe_get_device_caps_82599, + .get_device_caps = &ixgbe_get_device_caps_generic, .get_wwn_prefix = &ixgbe_get_wwn_prefix_generic, .stop_adapter = &ixgbe_stop_adapter_generic, .get_bus_info = &ixgbe_get_bus_info_generic, @@ -2076,8 +2174,10 @@ static struct ixgbe_mac_operations mac_ops_82599 = { static struct ixgbe_eeprom_operations eeprom_ops_82599 = { .init_params = &ixgbe_init_eeprom_params_generic, - .read = &ixgbe_read_eerd_generic, + .read = &ixgbe_read_eeprom_82599, + .read_buffer = &ixgbe_read_eeprom_buffer_82599, .write = &ixgbe_write_eeprom_generic, + .write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic, .calc_checksum = &ixgbe_calc_eeprom_checksum_generic, .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, .update_checksum = &ixgbe_update_eeprom_checksum_generic, |