| /******************************************************************************* |
| |
| Intel 10 Gigabit PCI Express Linux driver |
| Copyright(c) 1999 - 2011 Intel Corporation. |
| |
| This program is free software; you can redistribute it and/or modify it |
| under the terms and conditions of the GNU General Public License, |
| version 2, as published by the Free Software Foundation. |
| |
| This program is distributed in the hope it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| more details. |
| |
| You should have received a copy of the GNU General Public License along with |
| this program; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| |
| The full GNU General Public License is included in this distribution in |
| the file called "COPYING". |
| |
| Contact Information: |
| e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| |
| *******************************************************************************/ |
| |
| #include <linux/pci.h> |
| #include <linux/delay.h> |
| #include <linux/sched.h> |
| |
| #include "ixgbe.h" |
| #include "ixgbe_phy.h" |
| |
| #define IXGBE_82598_MAX_TX_QUEUES 32 |
| #define IXGBE_82598_MAX_RX_QUEUES 64 |
| #define IXGBE_82598_RAR_ENTRIES 16 |
| #define IXGBE_82598_MC_TBL_SIZE 128 |
| #define IXGBE_82598_VFT_TBL_SIZE 128 |
| #define IXGBE_82598_RX_PB_SIZE 512 |
| |
| static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, |
| ixgbe_link_speed speed, |
| bool autoneg, |
| bool autoneg_wait_to_complete); |
| static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, |
| u8 *eeprom_data); |
| |
| /** |
| * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout |
| * @hw: pointer to the HW structure |
| * |
| * The defaults for 82598 should be in the range of 50us to 50ms, |
| * however the hardware default for these parts is 500us to 1ms which is less |
| * than the 10ms recommended by the pci-e spec. To address this we need to |
| * increase the value to either 10ms to 250ms for capability version 1 config, |
| * or 16ms to 55ms for version 2. |
| **/ |
| static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw) |
| { |
| struct ixgbe_adapter *adapter = hw->back; |
| u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR); |
| u16 pcie_devctl2; |
| |
| /* only take action if timeout value is defaulted to 0 */ |
| if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK) |
| goto out; |
| |
| /* |
| * if capababilities version is type 1 we can write the |
| * timeout of 10ms to 250ms through the GCR register |
| */ |
| if (!(gcr & IXGBE_GCR_CAP_VER2)) { |
| gcr |= IXGBE_GCR_CMPL_TMOUT_10ms; |
| goto out; |
| } |
| |
| /* |
| * for version 2 capabilities we need to write the config space |
| * directly in order to set the completion timeout value for |
| * 16ms to 55ms |
| */ |
| pci_read_config_word(adapter->pdev, |
| IXGBE_PCI_DEVICE_CONTROL2, &pcie_devctl2); |
| pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms; |
| pci_write_config_word(adapter->pdev, |
| IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2); |
| out: |
| /* disable completion timeout resend */ |
| gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND; |
| IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr); |
| } |
| |
| /** |
| * ixgbe_get_pcie_msix_count_82598 - Gets MSI-X vector count |
| * @hw: pointer to hardware structure |
| * |
| * Read PCIe configuration space, and get the MSI-X vector count from |
| * the capabilities table. |
| **/ |
| static u16 ixgbe_get_pcie_msix_count_82598(struct ixgbe_hw *hw) |
| { |
| struct ixgbe_adapter *adapter = hw->back; |
| u16 msix_count; |
| pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82598_CAPS, |
| &msix_count); |
| msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK; |
| |
| /* MSI-X count is zero-based in HW, so increment to give proper value */ |
| msix_count++; |
| |
| return msix_count; |
| } |
| |
| /** |
| */ |
| static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw) |
| { |
| struct ixgbe_mac_info *mac = &hw->mac; |
| |
| /* Call PHY identify routine to get the phy type */ |
| ixgbe_identify_phy_generic(hw); |
| |
| mac->mcft_size = IXGBE_82598_MC_TBL_SIZE; |
| mac->vft_size = IXGBE_82598_VFT_TBL_SIZE; |
| mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES; |
| mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES; |
| mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES; |
| mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82598(hw); |
| |
| return 0; |
| } |
| |
| /** |
| * ixgbe_init_phy_ops_82598 - PHY/SFP specific init |
| * @hw: pointer to hardware structure |
| * |
| * Initialize any function pointers that were not able to be |
| * set during get_invariants because the PHY/SFP type was |
| * not known. Perform the SFP init if necessary. |
| * |
| **/ |
| static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) |
| { |
| struct ixgbe_mac_info *mac = &hw->mac; |
| struct ixgbe_phy_info *phy = &hw->phy; |
| s32 ret_val = 0; |
| u16 list_offset, data_offset; |
| |
| /* Identify the PHY */ |
| phy->ops.identify(hw); |
| |
| /* Overwrite the link function pointers if copper PHY */ |
| if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) { |
| mac->ops.setup_link = &ixgbe_setup_copper_link_82598; |
| mac->ops.get_link_capabilities = |
| &ixgbe_get_copper_link_capabilities_generic; |
| } |
| |
| switch (hw->phy.type) { |
| case ixgbe_phy_tn: |
| phy->ops.setup_link = &ixgbe_setup_phy_link_tnx; |
| phy->ops.check_link = &ixgbe_check_phy_link_tnx; |
| phy->ops.get_firmware_version = |
| &ixgbe_get_phy_firmware_version_tnx; |
| break; |
| case ixgbe_phy_nl: |
| phy->ops.reset = &ixgbe_reset_phy_nl; |
| |
| /* Call SFP+ identify routine to get the SFP+ module type */ |
| ret_val = phy->ops.identify_sfp(hw); |
| if (ret_val != 0) |
| goto out; |
| else if (hw->phy.sfp_type == ixgbe_sfp_type_unknown) { |
| ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED; |
| goto out; |
| } |
| |
| /* Check to see if SFP+ module is supported */ |
| ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, |
| &list_offset, |
| &data_offset); |
| if (ret_val != 0) { |
| ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED; |
| goto out; |
| } |
| break; |
| default: |
| break; |
| } |
| |
| out: |
| return ret_val; |
| } |
| |
| /** |
| * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx |
| * @hw: pointer to hardware structure |
| * |
| * Starts the hardware using the generic start_hw function. |
| * Disables relaxed ordering Then set pcie completion timeout |
| * |
| **/ |
| static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw) |
| { |
| u32 regval; |
| u32 i; |
| s32 ret_val = 0; |
| |
| ret_val = ixgbe_start_hw_generic(hw); |
| |
| /* Disable relaxed ordering */ |
| for (i = 0; ((i < hw->mac.max_tx_queues) && |
| (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) { |
| regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i)); |
| regval &= ~IXGBE_DCA_TXCTRL_TX_WB_RO_EN; |
| IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(i), regval); |
| } |
| |
| for (i = 0; ((i < hw->mac.max_rx_queues) && |
| (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) { |
| regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i)); |
| regval &= ~(IXGBE_DCA_RXCTRL_DESC_WRO_EN | |
| IXGBE_DCA_RXCTRL_DESC_HSRO_EN); |
| IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval); |
| } |
| |
| hw->mac.rx_pb_size = IXGBE_82598_RX_PB_SIZE; |
| |
| /* set the completion timeout for interface */ |
| if (ret_val == 0) |
| ixgbe_set_pcie_completion_timeout(hw); |
| |
| return ret_val; |
| } |
| |
| /** |
| * ixgbe_get_link_capabilities_82598 - Determines link capabilities |
| * @hw: pointer to hardware structure |
| * @speed: pointer to link speed |
| * @autoneg: boolean auto-negotiation value |
| * |
| * Determines the link capabilities by reading the AUTOC register. |
| **/ |
| static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, |
| ixgbe_link_speed *speed, |
| bool *autoneg) |
| { |
| s32 status = 0; |
| u32 autoc = 0; |
| |
| /* |
| * Determine link capabilities based on the stored value of AUTOC, |
| * which represents EEPROM defaults. If AUTOC value has not been |
| * stored, use the current register value. |
| */ |
| if (hw->mac.orig_link_settings_stored) |
| autoc = hw->mac.orig_autoc; |
| else |
| autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| |
| switch (autoc & IXGBE_AUTOC_LMS_MASK) { |
| case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: |
| *speed = IXGBE_LINK_SPEED_1GB_FULL; |
| *autoneg = false; |
| break; |
| |
| case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: |
| *speed = IXGBE_LINK_SPEED_10GB_FULL; |
| *autoneg = false; |
| break; |
| |
| case IXGBE_AUTOC_LMS_1G_AN: |
| *speed = IXGBE_LINK_SPEED_1GB_FULL; |
| *autoneg = true; |
| break; |
| |
| case IXGBE_AUTOC_LMS_KX4_AN: |
| case IXGBE_AUTOC_LMS_KX4_AN_1G_AN: |
| *speed = IXGBE_LINK_SPEED_UNKNOWN; |
| if (autoc & IXGBE_AUTOC_KX4_SUPP) |
| *speed |= IXGBE_LINK_SPEED_10GB_FULL; |
| if (autoc & IXGBE_AUTOC_KX_SUPP) |
| *speed |= IXGBE_LINK_SPEED_1GB_FULL; |
| *autoneg = true; |
| break; |
| |
| default: |
| status = IXGBE_ERR_LINK_SETUP; |
| break; |
| } |
| |
| return status; |
| } |
| |
| /** |
| * ixgbe_get_media_type_82598 - Determines media type |
| * @hw: pointer to hardware structure |
| * |
| * Returns the media type (fiber, copper, backplane) |
| **/ |
| static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw) |
| { |
| enum ixgbe_media_type media_type; |
| |
| /* Detect if there is a copper PHY attached. */ |
| switch (hw->phy.type) { |
| case ixgbe_phy_cu_unknown: |
| case ixgbe_phy_tn: |
| case ixgbe_phy_aq: |
| media_type = ixgbe_media_type_copper; |
| goto out; |
| default: |
| break; |
| } |
| |
| /* Media type for I82598 is based on device ID */ |
| switch (hw->device_id) { |
| case IXGBE_DEV_ID_82598: |
| case IXGBE_DEV_ID_82598_BX: |
| /* Default device ID is mezzanine card KX/KX4 */ |
| media_type = ixgbe_media_type_backplane; |
| break; |
| case IXGBE_DEV_ID_82598AF_DUAL_PORT: |
| case IXGBE_DEV_ID_82598AF_SINGLE_PORT: |
| case IXGBE_DEV_ID_82598_DA_DUAL_PORT: |
| case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM: |
| case IXGBE_DEV_ID_82598EB_XF_LR: |
| case IXGBE_DEV_ID_82598EB_SFP_LOM: |
| media_type = ixgbe_media_type_fiber; |
| break; |
| case IXGBE_DEV_ID_82598EB_CX4: |
| case IXGBE_DEV_ID_82598_CX4_DUAL_PORT: |
| media_type = ixgbe_media_type_cx4; |
| break; |
| case IXGBE_DEV_ID_82598AT: |
| case IXGBE_DEV_ID_82598AT2: |
| media_type = ixgbe_media_type_copper; |
| break; |
| default: |
| media_type = ixgbe_media_type_unknown; |
| break; |
| } |
| out: |
| return media_type; |
| } |
| |
| /** |
| * ixgbe_fc_enable_82598 - Enable flow control |
| * @hw: pointer to hardware structure |
| * @packetbuf_num: packet buffer number (0-7) |
| * |
| * Enable flow control according to the current settings. |
| **/ |
| static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num) |
| { |
| s32 ret_val = 0; |
| u32 fctrl_reg; |
| u32 rmcs_reg; |
| u32 reg; |
| u32 rx_pba_size; |
| u32 link_speed = 0; |
| bool link_up; |
| |
| #ifdef CONFIG_DCB |
| if (hw->fc.requested_mode == ixgbe_fc_pfc) |
| goto out; |
| |
| #endif /* CONFIG_DCB */ |
| /* |
| * On 82598 having Rx FC on causes resets while doing 1G |
| * so if it's on turn it off once we know link_speed. For |
| * more details see 82598 Specification update. |
| */ |
| hw->mac.ops.check_link(hw, &link_speed, &link_up, false); |
| if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) { |
| switch (hw->fc.requested_mode) { |
| case ixgbe_fc_full: |
| hw->fc.requested_mode = ixgbe_fc_tx_pause; |
| break; |
| case ixgbe_fc_rx_pause: |
| hw->fc.requested_mode = ixgbe_fc_none; |
| break; |
| default: |
| /* no change */ |
| break; |
| } |
| } |
| |
| /* Negotiate the fc mode to use */ |
| ret_val = ixgbe_fc_autoneg(hw); |
| if (ret_val == IXGBE_ERR_FLOW_CONTROL) |
| goto out; |
| |
| /* Disable any previous flow control settings */ |
| fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL); |
| fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE); |
| |
| rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS); |
| rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X); |
| |
| /* |
| * The possible values of fc.current_mode are: |
| * 0: Flow control is completely disabled |
| * 1: Rx flow control is enabled (we can receive pause frames, |
| * but not send pause frames). |
| * 2: Tx flow control is enabled (we can send pause frames but |
| * we do not support receiving pause frames). |
| * 3: Both Rx and Tx flow control (symmetric) are enabled. |
| #ifdef CONFIG_DCB |
| * 4: Priority Flow Control is enabled. |
| #endif |
| * other: Invalid. |
| */ |
| switch (hw->fc.current_mode) { |
| case ixgbe_fc_none: |
| /* |
| * Flow control is disabled by software override or autoneg. |
| * The code below will actually disable it in the HW. |
| */ |
| break; |
| case ixgbe_fc_rx_pause: |
| /* |
| * Rx Flow control is enabled and Tx Flow control is |
| * disabled by software override. Since there really |
| * isn't a way to advertise that we are capable of RX |
| * Pause ONLY, we will advertise that we support both |
| * symmetric and asymmetric Rx PAUSE. Later, we will |
| * disable the adapter's ability to send PAUSE frames. |
| */ |
| fctrl_reg |= IXGBE_FCTRL_RFCE; |
| break; |
| case ixgbe_fc_tx_pause: |
| /* |
| * Tx Flow control is enabled, and Rx Flow control is |
| * disabled by software override. |
| */ |
| rmcs_reg |= IXGBE_RMCS_TFCE_802_3X; |
| break; |
| case ixgbe_fc_full: |
| /* Flow control (both Rx and Tx) is enabled by SW override. */ |
| fctrl_reg |= IXGBE_FCTRL_RFCE; |
| rmcs_reg |= IXGBE_RMCS_TFCE_802_3X; |
| break; |
| #ifdef CONFIG_DCB |
| case ixgbe_fc_pfc: |
| goto out; |
| break; |
| #endif /* CONFIG_DCB */ |
| default: |
| hw_dbg(hw, "Flow control param set incorrectly\n"); |
| ret_val = IXGBE_ERR_CONFIG; |
| goto out; |
| break; |
| } |
| |
| /* Set 802.3x based flow control settings. */ |
| fctrl_reg |= IXGBE_FCTRL_DPF; |
| IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg); |
| IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg); |
| |
| /* Set up and enable Rx high/low water mark thresholds, enable XON. */ |
| if (hw->fc.current_mode & ixgbe_fc_tx_pause) { |
| rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(packetbuf_num)); |
| rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT; |
| |
| reg = (rx_pba_size - hw->fc.low_water) << 6; |
| if (hw->fc.send_xon) |
| reg |= IXGBE_FCRTL_XONE; |
| |
| IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num), reg); |
| |
| reg = (rx_pba_size - hw->fc.high_water) << 6; |
| reg |= IXGBE_FCRTH_FCEN; |
| |
| IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num), reg); |
| } |
| |
| /* Configure pause time (2 TCs per register) */ |
| reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num / 2)); |
| if ((packetbuf_num & 1) == 0) |
| reg = (reg & 0xFFFF0000) | hw->fc.pause_time; |
| else |
| reg = (reg & 0x0000FFFF) | (hw->fc.pause_time << 16); |
| IXGBE_WRITE_REG(hw, IXGBE_FCTTV(packetbuf_num / 2), reg); |
| |
| IXGBE_WRITE_REG(hw, IXGBE_FCRTV, (hw->fc.pause_time >> 1)); |
| |
| out: |
| return ret_val; |
| } |
| |
| /** |
| * ixgbe_start_mac_link_82598 - Configures MAC link settings |
| * @hw: pointer to hardware structure |
| * |
| * Configures link settings based on values in the ixgbe_hw struct. |
| * Restarts the link. Performs autonegotiation if needed. |
| **/ |
| static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw, |
| bool autoneg_wait_to_complete) |
| { |
| u32 autoc_reg; |
| u32 links_reg; |
| u32 i; |
| s32 status = 0; |
| |
| /* Restart link */ |
| autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| autoc_reg |= IXGBE_AUTOC_AN_RESTART; |
| IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg); |
| |
| /* Only poll for autoneg to complete if specified to do so */ |
| if (autoneg_wait_to_complete) { |
| if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) == |
| IXGBE_AUTOC_LMS_KX4_AN || |
| (autoc_reg & IXGBE_AUTOC_LMS_MASK) == |
| IXGBE_AUTOC_LMS_KX4_AN_1G_AN) { |
| links_reg = 0; /* Just in case Autoneg time = 0 */ |
| for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) { |
| links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); |
| if (links_reg & IXGBE_LINKS_KX_AN_COMP) |
| break; |
| msleep(100); |
| } |
| if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) { |
| status = IXGBE_ERR_AUTONEG_NOT_COMPLETE; |
| hw_dbg(hw, "Autonegotiation did not complete.\n"); |
| } |
| } |
| } |
| |
| /* Add delay to filter out noises during initial link setup */ |
| msleep(50); |
| |
| return status; |
| } |
| |
| /** |
| * ixgbe_validate_link_ready - Function looks for phy link |
| * @hw: pointer to hardware structure |
| * |
| * Function indicates success when phy link is available. If phy is not ready |
| * within 5 seconds of MAC indicating link, the function returns error. |
| **/ |
| static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw) |
| { |
| u32 timeout; |
| u16 an_reg; |
| |
| if (hw->device_id != IXGBE_DEV_ID_82598AT2) |
| return 0; |
| |
| for (timeout = 0; |
| timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) { |
| hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg); |
| |
| if ((an_reg & MDIO_AN_STAT1_COMPLETE) && |
| (an_reg & MDIO_STAT1_LSTATUS)) |
| break; |
| |
| msleep(100); |
| } |
| |
| if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) { |
| hw_dbg(hw, "Link was indicated but link is down\n"); |
| return IXGBE_ERR_LINK_SETUP; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * ixgbe_check_mac_link_82598 - Get link/speed status |
| * @hw: pointer to hardware structure |
| * @speed: pointer to link speed |
| * @link_up: true is link is up, false otherwise |
| * @link_up_wait_to_complete: bool used to wait for link up or not |
| * |
| * Reads the links register to determine if link is up and the current speed |
| **/ |
| static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, |
| ixgbe_link_speed *speed, bool *link_up, |
| bool link_up_wait_to_complete) |
| { |
| u32 links_reg; |
| u32 i; |
| u16 link_reg, adapt_comp_reg; |
| |
| /* |
| * SERDES PHY requires us to read link status from register 0xC79F. |
| * Bit 0 set indicates link is up/ready; clear indicates link down. |
| * 0xC00C is read to check that the XAUI lanes are active. Bit 0 |
| * clear indicates active; set indicates inactive. |
| */ |
| if (hw->phy.type == ixgbe_phy_nl) { |
| hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg); |
| hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg); |
| hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD, |
| &adapt_comp_reg); |
| if (link_up_wait_to_complete) { |
| for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { |
| if ((link_reg & 1) && |
| ((adapt_comp_reg & 1) == 0)) { |
| *link_up = true; |
| break; |
| } else { |
| *link_up = false; |
| } |
| msleep(100); |
| hw->phy.ops.read_reg(hw, 0xC79F, |
| MDIO_MMD_PMAPMD, |
| &link_reg); |
| hw->phy.ops.read_reg(hw, 0xC00C, |
| MDIO_MMD_PMAPMD, |
| &adapt_comp_reg); |
| } |
| } else { |
| if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0)) |
| *link_up = true; |
| else |
| *link_up = false; |
| } |
| |
| if (*link_up == false) |
| goto out; |
| } |
| |
| links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); |
| if (link_up_wait_to_complete) { |
| for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { |
| if (links_reg & IXGBE_LINKS_UP) { |
| *link_up = true; |
| break; |
| } else { |
| *link_up = false; |
| } |
| msleep(100); |
| links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); |
| } |
| } else { |
| if (links_reg & IXGBE_LINKS_UP) |
| *link_up = true; |
| else |
| *link_up = false; |
| } |
| |
| if (links_reg & IXGBE_LINKS_SPEED) |
| *speed = IXGBE_LINK_SPEED_10GB_FULL; |
| else |
| *speed = IXGBE_LINK_SPEED_1GB_FULL; |
| |
| if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && (*link_up == true) && |
| (ixgbe_validate_link_ready(hw) != 0)) |
| *link_up = false; |
| |
| /* if link is down, zero out the current_mode */ |
| if (*link_up == false) { |
| hw->fc.current_mode = ixgbe_fc_none; |
| hw->fc.fc_was_autonegged = false; |
| } |
| out: |
| return 0; |
| } |
| |
| /** |
| * ixgbe_setup_mac_link_82598 - Set MAC link speed |
| * @hw: pointer to hardware structure |
| * @speed: new link speed |
| * @autoneg: true if auto-negotiation enabled |
| * @autoneg_wait_to_complete: true when waiting for completion is needed |
| * |
| * Set the link speed in the AUTOC register and restarts link. |
| **/ |
| static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, |
| ixgbe_link_speed speed, bool autoneg, |
| bool autoneg_wait_to_complete) |
| { |
| s32 status = 0; |
| ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN; |
| u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| u32 autoc = curr_autoc; |
| u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK; |
| |
| /* Check to see if speed passed in is supported. */ |
| ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg); |
| speed &= link_capabilities; |
| |
| if (speed == IXGBE_LINK_SPEED_UNKNOWN) |
| status = IXGBE_ERR_LINK_SETUP; |
| |
| /* Set KX4/KX support according to speed requested */ |
| else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN || |
| link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) { |
| autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK; |
| if (speed & IXGBE_LINK_SPEED_10GB_FULL) |
| autoc |= IXGBE_AUTOC_KX4_SUPP; |
| if (speed & IXGBE_LINK_SPEED_1GB_FULL) |
| autoc |= IXGBE_AUTOC_KX_SUPP; |
| if (autoc != curr_autoc) |
| IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc); |
| } |
| |
| if (status == 0) { |
| /* |
| * Setup and restart the link based on the new values in |
| * ixgbe_hw This will write the AUTOC register based on the new |
| * stored values |
| */ |
| status = ixgbe_start_mac_link_82598(hw, |
| autoneg_wait_to_complete); |
| } |
| |
| return status; |
| } |
| |
| |
| /** |
| * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field |
| * @hw: pointer to hardware structure |
| * @speed: new link speed |
| * @autoneg: true if autonegotiation enabled |
| * @autoneg_wait_to_complete: true if waiting is needed to complete |
| * |
| * Sets the link speed in the AUTOC register in the MAC and restarts link. |
| **/ |
| static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, |
| ixgbe_link_speed speed, |
| bool autoneg, |
| bool autoneg_wait_to_complete) |
| { |
| s32 status; |
| |
| /* Setup the PHY according to input speed */ |
| status = hw->phy.ops.setup_link_speed(hw, speed, autoneg, |
| autoneg_wait_to_complete); |
| /* Set up MAC */ |
| ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete); |
| |
| return status; |
| } |
| |
| /** |
| * ixgbe_reset_hw_82598 - Performs hardware reset |
| * @hw: pointer to hardware structure |
| * |
| * Resets the hardware by resetting the transmit and receive units, masks and |
| * clears all interrupts, performing a PHY reset, and performing a link (MAC) |
| * reset. |
| **/ |
| static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw) |
| { |
| s32 status = 0; |
| s32 phy_status = 0; |
| u32 ctrl; |
| u32 gheccr; |
| u32 i; |
| u32 autoc; |
| u8 analog_val; |
| |
| /* Call adapter stop to disable tx/rx and clear interrupts */ |
| hw->mac.ops.stop_adapter(hw); |
| |
| /* |
| * Power up the Atlas Tx lanes if they are currently powered down. |
| * Atlas Tx lanes are powered down for MAC loopback tests, but |
| * they are not automatically restored on reset. |
| */ |
| hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val); |
| if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) { |
| /* Enable Tx Atlas so packets can be transmitted again */ |
| hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, |
| &analog_val); |
| analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN; |
| hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, |
| analog_val); |
| |
| hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, |
| &analog_val); |
| analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL; |
| hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, |
| analog_val); |
| |
| hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, |
| &analog_val); |
| analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL; |
| hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, |
| analog_val); |
| |
| hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, |
| &analog_val); |
| analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL; |
| hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, |
| analog_val); |
| } |
| |
| /* Reset PHY */ |
| if (hw->phy.reset_disable == false) { |
| /* PHY ops must be identified and initialized prior to reset */ |
| |
| /* Init PHY and function pointers, perform SFP setup */ |
| phy_status = hw->phy.ops.init(hw); |
| if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED) |
| goto reset_hw_out; |
| else if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT) |
| goto no_phy_reset; |
| |
| hw->phy.ops.reset(hw); |
| } |
| |
| no_phy_reset: |
| /* |
| * Prevent the PCI-E bus from from hanging by disabling PCI-E master |
| * access and verify no pending requests before reset |
| */ |
| ixgbe_disable_pcie_master(hw); |
| |
| mac_reset_top: |
| /* |
| * Issue global reset to the MAC. This needs to be a SW reset. |
| * If link reset is used, it might reset the MAC when mng is using it |
| */ |
| ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); |
| IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST)); |
| IXGBE_WRITE_FLUSH(hw); |
| |
| /* Poll for reset bit to self-clear indicating reset is complete */ |
| for (i = 0; i < 10; i++) { |
| udelay(1); |
| ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); |
| if (!(ctrl & IXGBE_CTRL_RST)) |
| break; |
| } |
| if (ctrl & IXGBE_CTRL_RST) { |
| status = IXGBE_ERR_RESET_FAILED; |
| hw_dbg(hw, "Reset polling failed to complete.\n"); |
| } |
| |
| /* |
| * Double resets are required for recovery from certain error |
| * conditions. Between resets, it is necessary to stall to allow time |
| * for any pending HW events to complete. We use 1usec since that is |
| * what is needed for ixgbe_disable_pcie_master(). The second reset |
| * then clears out any effects of those events. |
| */ |
| if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) { |
| hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; |
| udelay(1); |
| goto mac_reset_top; |
| } |
| |
| msleep(50); |
| |
| gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR); |
| gheccr &= ~((1 << 21) | (1 << 18) | (1 << 9) | (1 << 6)); |
| IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr); |
| |
| /* |
| * Store the original AUTOC value if it has not been |
| * stored off yet. Otherwise restore the stored original |
| * AUTOC value since the reset operation sets back to deaults. |
| */ |
| autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| if (hw->mac.orig_link_settings_stored == false) { |
| hw->mac.orig_autoc = autoc; |
| hw->mac.orig_link_settings_stored = true; |
| } else if (autoc != hw->mac.orig_autoc) { |
| IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc); |
| } |
| |
| /* Store the permanent mac address */ |
| hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); |
| |
| /* |
| * Store MAC address from RAR0, clear receive address registers, and |
| * clear the multicast table |
| */ |
| hw->mac.ops.init_rx_addrs(hw); |
| |
| reset_hw_out: |
| if (phy_status) |
| status = phy_status; |
| |
| return status; |
| } |
| |
| /** |
| * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address |
| * @hw: pointer to hardware struct |
| * @rar: receive address register index to associate with a VMDq index |
| * @vmdq: VMDq set index |
| **/ |
| static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) |
| { |
| u32 rar_high; |
| u32 rar_entries = hw->mac.num_rar_entries; |
| |
| /* Make sure we are using a valid rar index range */ |
| if (rar >= rar_entries) { |
| hw_dbg(hw, "RAR index %d is out of range.\n", rar); |
| return IXGBE_ERR_INVALID_ARGUMENT; |
| } |
| |
| rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); |
| rar_high &= ~IXGBE_RAH_VIND_MASK; |
| rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK); |
| IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); |
| return 0; |
| } |
| |
| /** |
| * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address |
| * @hw: pointer to hardware struct |
| * @rar: receive address register index to associate with a VMDq index |
| * @vmdq: VMDq clear index (not used in 82598, but elsewhere) |
| **/ |
| static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) |
| { |
| u32 rar_high; |
| u32 rar_entries = hw->mac.num_rar_entries; |
| |
| |
| /* Make sure we are using a valid rar index range */ |
| if (rar >= rar_entries) { |
| hw_dbg(hw, "RAR index %d is out of range.\n", rar); |
| return IXGBE_ERR_INVALID_ARGUMENT; |
| } |
| |
| rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); |
| if (rar_high & IXGBE_RAH_VIND_MASK) { |
| rar_high &= ~IXGBE_RAH_VIND_MASK; |
| IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * ixgbe_set_vfta_82598 - Set VLAN filter table |
| * @hw: pointer to hardware structure |
| * @vlan: VLAN id to write to VLAN filter |
| * @vind: VMDq output index that maps queue to VLAN id in VFTA |
| * @vlan_on: boolean flag to turn on/off VLAN in VFTA |
| * |
| * Turn on/off specified VLAN in the VLAN filter table. |
| **/ |
| static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, |
| bool vlan_on) |
| { |
| u32 regindex; |
| u32 bitindex; |
| u32 bits; |
| u32 vftabyte; |
| |
| if (vlan > 4095) |
| return IXGBE_ERR_PARAM; |
| |
| /* Determine 32-bit word position in array */ |
| regindex = (vlan >> 5) & 0x7F; /* upper seven bits */ |
| |
| /* Determine the location of the (VMD) queue index */ |
| vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */ |
| bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */ |
| |
| /* Set the nibble for VMD queue index */ |
| bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex)); |
| bits &= (~(0x0F << bitindex)); |
| bits |= (vind << bitindex); |
| IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits); |
| |
| /* Determine the location of the bit for this VLAN id */ |
| bitindex = vlan & 0x1F; /* lower five bits */ |
| |
| bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex)); |
| if (vlan_on) |
| /* Turn on this VLAN id */ |
| bits |= (1 << bitindex); |
| else |
| /* Turn off this VLAN id */ |
| bits &= ~(1 << bitindex); |
| IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits); |
| |
| return 0; |
| } |
| |
| /** |
| * ixgbe_clear_vfta_82598 - Clear VLAN filter table |
| * @hw: pointer to hardware structure |
| * |
| * Clears the VLAN filer table, and the VMDq index associated with the filter |
| **/ |
| static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw) |
| { |
| u32 offset; |
| u32 vlanbyte; |
| |
| for (offset = 0; offset < hw->mac.vft_size; offset++) |
| IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0); |
| |
| for (vlanbyte = 0; vlanbyte < 4; vlanbyte++) |
| for (offset = 0; offset < hw->mac.vft_size; offset++) |
| IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset), |
| 0); |
| |
| return 0; |
| } |
| |
| /** |
| * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register |
| * @hw: pointer to hardware structure |
| * @reg: analog register to read |
| * @val: read value |
| * |
| * Performs read operation to Atlas analog register specified. |
| **/ |
| static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val) |
| { |
| u32 atlas_ctl; |
| |
| IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, |
| IXGBE_ATLASCTL_WRITE_CMD | (reg << 8)); |
| IXGBE_WRITE_FLUSH(hw); |
| udelay(10); |
| atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL); |
| *val = (u8)atlas_ctl; |
| |
| return 0; |
| } |
| |
| /** |
| * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register |
| * @hw: pointer to hardware structure |
| * @reg: atlas register to write |
| * @val: value to write |
| * |
| * Performs write operation to Atlas analog register specified. |
| **/ |
| static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val) |
| { |
| u32 atlas_ctl; |
| |
| atlas_ctl = (reg << 8) | val; |
| IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl); |
| IXGBE_WRITE_FLUSH(hw); |
| udelay(10); |
| |
| return 0; |
| } |
| |
| /** |
| * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface. |
| * @hw: pointer to hardware structure |
| * @byte_offset: EEPROM byte offset to read |
| * @eeprom_data: value read |
| * |
| * Performs 8 byte read operation to SFP module's EEPROM over I2C interface. |
| **/ |
| static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, |
| u8 *eeprom_data) |
| { |
| s32 status = 0; |
| u16 sfp_addr = 0; |
| u16 sfp_data = 0; |
| u16 sfp_stat = 0; |
| u32 i; |
| |
| if (hw->phy.type == ixgbe_phy_nl) { |
| /* |
| * phy SDA/SCL registers are at addresses 0xC30A to |
| * 0xC30D. These registers are used to talk to the SFP+ |
| * module's EEPROM through the SDA/SCL (I2C) interface. |
| */ |
| sfp_addr = (IXGBE_I2C_EEPROM_DEV_ADDR << 8) + byte_offset; |
| sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK); |
| hw->phy.ops.write_reg(hw, |
| IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR, |
| MDIO_MMD_PMAPMD, |
| sfp_addr); |
| |
| /* Poll status */ |
| for (i = 0; i < 100; i++) { |
| hw->phy.ops.read_reg(hw, |
| IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT, |
| MDIO_MMD_PMAPMD, |
| &sfp_stat); |
| sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK; |
| if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS) |
| break; |
| usleep_range(10000, 20000); |
| } |
| |
| if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) { |
| hw_dbg(hw, "EEPROM read did not pass.\n"); |
| status = IXGBE_ERR_SFP_NOT_PRESENT; |
| goto out; |
| } |
| |
| /* Read data */ |
| hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA, |
| MDIO_MMD_PMAPMD, &sfp_data); |
| |
| *eeprom_data = (u8)(sfp_data >> 8); |
| } else { |
| status = IXGBE_ERR_PHY; |
| goto out; |
| } |
| |
| out: |
| return status; |
| } |
| |
| /** |
| * ixgbe_get_supported_physical_layer_82598 - Returns physical layer type |
| * @hw: pointer to hardware structure |
| * |
| * Determines physical layer capabilities of the current configuration. |
| **/ |
| static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw) |
| { |
| u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; |
| u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| u32 pma_pmd_10g = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK; |
| u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK; |
| u16 ext_ability = 0; |
| |
| hw->phy.ops.identify(hw); |
| |
| /* Copper PHY must be checked before AUTOC LMS to determine correct |
| * physical layer because 10GBase-T PHYs use LMS = KX4/KX */ |
| switch (hw->phy.type) { |
| case ixgbe_phy_tn: |
| case ixgbe_phy_aq: |
| case ixgbe_phy_cu_unknown: |
| hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, |
| MDIO_MMD_PMAPMD, &ext_ability); |
| if (ext_ability & MDIO_PMA_EXTABLE_10GBT) |
| physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T; |
| if (ext_ability & MDIO_PMA_EXTABLE_1000BT) |
| physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T; |
| if (ext_ability & MDIO_PMA_EXTABLE_100BTX) |
| physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX; |
| goto out; |
| default: |
| break; |
| } |
| |
| switch (autoc & IXGBE_AUTOC_LMS_MASK) { |
| case IXGBE_AUTOC_LMS_1G_AN: |
| case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: |
| if (pma_pmd_1g == IXGBE_AUTOC_1G_KX) |
| physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX; |
| else |
| physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_BX; |
| break; |
| case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: |
| if (pma_pmd_10g == IXGBE_AUTOC_10G_CX4) |
| physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4; |
| else if (pma_pmd_10g == IXGBE_AUTOC_10G_KX4) |
| physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4; |
| else /* XAUI */ |
| physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; |
| break; |
| case IXGBE_AUTOC_LMS_KX4_AN: |
| case IXGBE_AUTOC_LMS_KX4_AN_1G_AN: |
| if (autoc & IXGBE_AUTOC_KX_SUPP) |
| physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX; |
| if (autoc & IXGBE_AUTOC_KX4_SUPP) |
| physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4; |
| break; |
| default: |
| break; |
| } |
| |
| if (hw->phy.type == ixgbe_phy_nl) { |
| hw->phy.ops.identify_sfp(hw); |
| |
| switch (hw->phy.sfp_type) { |
| case ixgbe_sfp_type_da_cu: |
| physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU; |
| break; |
| case ixgbe_sfp_type_sr: |
| physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR; |
| break; |
| case ixgbe_sfp_type_lr: |
| physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR; |
| break; |
| default: |
| physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; |
| break; |
| } |
| } |
| |
| switch (hw->device_id) { |
| case IXGBE_DEV_ID_82598_DA_DUAL_PORT: |
| physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU; |
| break; |
| case IXGBE_DEV_ID_82598AF_DUAL_PORT: |
| case IXGBE_DEV_ID_82598AF_SINGLE_PORT: |
| case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM: |
| physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR; |
| break; |
| case IXGBE_DEV_ID_82598EB_XF_LR: |
| physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR; |
| break; |
| default: |
| break; |
| } |
| |
| out: |
| return physical_layer; |
| } |
| |
| /** |
| * ixgbe_set_lan_id_multi_port_pcie_82598 - Set LAN id for PCIe multiple |
| * port devices. |
| * @hw: pointer to the HW structure |
| * |
| * Calls common function and corrects issue with some single port devices |
| * that enable LAN1 but not LAN0. |
| **/ |
| static void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw) |
| { |
| struct ixgbe_bus_info *bus = &hw->bus; |
| u16 pci_gen = 0; |
| u16 pci_ctrl2 = 0; |
| |
| ixgbe_set_lan_id_multi_port_pcie(hw); |
| |
| /* check if LAN0 is disabled */ |
| hw->eeprom.ops.read(hw, IXGBE_PCIE_GENERAL_PTR, &pci_gen); |
| if ((pci_gen != 0) && (pci_gen != 0xFFFF)) { |
| |
| hw->eeprom.ops.read(hw, pci_gen + IXGBE_PCIE_CTRL2, &pci_ctrl2); |
| |
| /* if LAN0 is completely disabled force function to 0 */ |
| if ((pci_ctrl2 & IXGBE_PCIE_CTRL2_LAN_DISABLE) && |
| !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DISABLE_SELECT) && |
| !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DUMMY_ENABLE)) { |
| |
| bus->func = 0; |
| } |
| } |
| } |
| |
| static struct ixgbe_mac_operations mac_ops_82598 = { |
| .init_hw = &ixgbe_init_hw_generic, |
| .reset_hw = &ixgbe_reset_hw_82598, |
| .start_hw = &ixgbe_start_hw_82598, |
| .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, |
| .get_media_type = &ixgbe_get_media_type_82598, |
| .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82598, |
| .enable_rx_dma = &ixgbe_enable_rx_dma_generic, |
| .get_mac_addr = &ixgbe_get_mac_addr_generic, |
| .stop_adapter = &ixgbe_stop_adapter_generic, |
| .get_bus_info = &ixgbe_get_bus_info_generic, |
| .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie_82598, |
| .read_analog_reg8 = &ixgbe_read_analog_reg8_82598, |
| .write_analog_reg8 = &ixgbe_write_analog_reg8_82598, |
| .setup_link = &ixgbe_setup_mac_link_82598, |
| .check_link = &ixgbe_check_mac_link_82598, |
| .get_link_capabilities = &ixgbe_get_link_capabilities_82598, |
| .led_on = &ixgbe_led_on_generic, |
| .led_off = &ixgbe_led_off_generic, |
| .blink_led_start = &ixgbe_blink_led_start_generic, |
| .blink_led_stop = &ixgbe_blink_led_stop_generic, |
| .set_rar = &ixgbe_set_rar_generic, |
| .clear_rar = &ixgbe_clear_rar_generic, |
| .set_vmdq = &ixgbe_set_vmdq_82598, |
| .clear_vmdq = &ixgbe_clear_vmdq_82598, |
| .init_rx_addrs = &ixgbe_init_rx_addrs_generic, |
| .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, |
| .enable_mc = &ixgbe_enable_mc_generic, |
| .disable_mc = &ixgbe_disable_mc_generic, |
| .clear_vfta = &ixgbe_clear_vfta_82598, |
| .set_vfta = &ixgbe_set_vfta_82598, |
| .fc_enable = &ixgbe_fc_enable_82598, |
| .acquire_swfw_sync = &ixgbe_acquire_swfw_sync, |
| .release_swfw_sync = &ixgbe_release_swfw_sync, |
| }; |
| |
| static struct ixgbe_eeprom_operations eeprom_ops_82598 = { |
| .init_params = &ixgbe_init_eeprom_params_generic, |
| .read = &ixgbe_read_eerd_generic, |
| .read_buffer = &ixgbe_read_eerd_buffer_generic, |
| .calc_checksum = &ixgbe_calc_eeprom_checksum_generic, |
| .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, |
| .update_checksum = &ixgbe_update_eeprom_checksum_generic, |
| }; |
| |
| static struct ixgbe_phy_operations phy_ops_82598 = { |
| .identify = &ixgbe_identify_phy_generic, |
| .identify_sfp = &ixgbe_identify_sfp_module_generic, |
| .init = &ixgbe_init_phy_ops_82598, |
| .reset = &ixgbe_reset_phy_generic, |
| .read_reg = &ixgbe_read_phy_reg_generic, |
| .write_reg = &ixgbe_write_phy_reg_generic, |
| .setup_link = &ixgbe_setup_phy_link_generic, |
| .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, |
| .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598, |
| .check_overtemp = &ixgbe_tn_check_overtemp, |
| }; |
| |
| struct ixgbe_info ixgbe_82598_info = { |
| .mac = ixgbe_mac_82598EB, |
| .get_invariants = &ixgbe_get_invariants_82598, |
| .mac_ops = &mac_ops_82598, |
| .eeprom_ops = &eeprom_ops_82598, |
| .phy_ops = &phy_ops_82598, |
| }; |
| |