diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_82598.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_82598.c | 526 |
1 files changed, 0 insertions, 526 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c deleted file mode 100644 index 2f38e847e2c..00000000000 --- a/drivers/net/ixgbe/ixgbe_82598.c +++ /dev/null @@ -1,526 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2007 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: - Linux NICS <linux.nics@intel.com> - 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 - -static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw); -static s32 ixgbe_get_link_settings_82598(struct ixgbe_hw *hw, u32 *speed, - bool *autoneg); -static s32 ixgbe_get_copper_link_settings_82598(struct ixgbe_hw *hw, - u32 *speed, bool *autoneg); -static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw); -static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw); -static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, u32 *speed, - bool *link_up); -static s32 ixgbe_setup_mac_link_speed_82598(struct ixgbe_hw *hw, u32 speed, - bool autoneg, - bool autoneg_wait_to_complete); -static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw); -static s32 ixgbe_setup_copper_link_speed_82598(struct ixgbe_hw *hw, u32 speed, - bool autoneg, - bool autoneg_wait_to_complete); -static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw); - - -static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw) -{ - hw->mac.num_rx_queues = IXGBE_82598_MAX_RX_QUEUES; - hw->mac.num_tx_queues = IXGBE_82598_MAX_TX_QUEUES; - hw->mac.num_rx_addrs = IXGBE_82598_RAR_ENTRIES; - - /* PHY ops are filled in by default properly for Fiber only */ - if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_copper) { - hw->mac.ops.setup_link = &ixgbe_setup_copper_link_82598; - hw->mac.ops.setup_link_speed = &ixgbe_setup_copper_link_speed_82598; - hw->mac.ops.get_link_settings = - &ixgbe_get_copper_link_settings_82598; - - /* Call PHY identify routine to get the phy type */ - ixgbe_identify_phy(hw); - - switch (hw->phy.type) { - case ixgbe_phy_tn: - hw->phy.ops.setup_link = &ixgbe_setup_tnx_phy_link; - hw->phy.ops.check_link = &ixgbe_check_tnx_phy_link; - hw->phy.ops.setup_link_speed = - &ixgbe_setup_tnx_phy_link_speed; - break; - default: - break; - } - } - - return 0; -} - -/** - * ixgbe_get_link_settings_82598 - Determines default link settings - * @hw: pointer to hardware structure - * @speed: pointer to link speed - * @autoneg: boolean auto-negotiation value - * - * Determines the default link settings by reading the AUTOC register. - **/ -static s32 ixgbe_get_link_settings_82598(struct ixgbe_hw *hw, u32 *speed, - bool *autoneg) -{ - s32 status = 0; - s32 autoc_reg; - - autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - - if (hw->mac.link_settings_loaded) { - autoc_reg &= ~IXGBE_AUTOC_LMS_ATTACH_TYPE; - autoc_reg &= ~IXGBE_AUTOC_LMS_MASK; - autoc_reg |= hw->mac.link_attach_type; - autoc_reg |= hw->mac.link_mode_select; - } - - switch (autoc_reg & 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_reg & IXGBE_AUTOC_KX4_SUPP) - *speed |= IXGBE_LINK_SPEED_10GB_FULL; - if (autoc_reg & IXGBE_AUTOC_KX_SUPP) - *speed |= IXGBE_LINK_SPEED_1GB_FULL; - *autoneg = true; - break; - - default: - status = IXGBE_ERR_LINK_SETUP; - break; - } - - return status; -} - -/** - * ixgbe_get_copper_link_settings_82598 - Determines default link settings - * @hw: pointer to hardware structure - * @speed: pointer to link speed - * @autoneg: boolean auto-negotiation value - * - * Determines the default link settings by reading the AUTOC register. - **/ -static s32 ixgbe_get_copper_link_settings_82598(struct ixgbe_hw *hw, - u32 *speed, bool *autoneg) -{ - s32 status = IXGBE_ERR_LINK_SETUP; - u16 speed_ability; - - *speed = 0; - *autoneg = true; - - status = ixgbe_read_phy_reg(hw, IXGBE_MDIO_PHY_SPEED_ABILITY, - IXGBE_MDIO_PMA_PMD_DEV_TYPE, - &speed_ability); - - if (status == 0) { - if (speed_ability & IXGBE_MDIO_PHY_SPEED_10G) - *speed |= IXGBE_LINK_SPEED_10GB_FULL; - if (speed_ability & IXGBE_MDIO_PHY_SPEED_1G) - *speed |= IXGBE_LINK_SPEED_1GB_FULL; - } - - 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; - - /* Media type for I82598 is based on device ID */ - switch (hw->device_id) { - case IXGBE_DEV_ID_82598AF_DUAL_PORT: - case IXGBE_DEV_ID_82598AF_SINGLE_PORT: - case IXGBE_DEV_ID_82598EB_CX4: - media_type = ixgbe_media_type_fiber; - break; - case IXGBE_DEV_ID_82598AT_DUAL_PORT: - media_type = ixgbe_media_type_copper; - break; - default: - media_type = ixgbe_media_type_unknown; - break; - } - - return media_type; -} - -/** - * ixgbe_setup_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_setup_mac_link_82598(struct ixgbe_hw *hw) -{ - u32 autoc_reg; - u32 links_reg; - u32 i; - s32 status = 0; - - autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - - if (hw->mac.link_settings_loaded) { - autoc_reg &= ~IXGBE_AUTOC_LMS_ATTACH_TYPE; - autoc_reg &= ~IXGBE_AUTOC_LMS_MASK; - autoc_reg |= hw->mac.link_attach_type; - autoc_reg |= hw->mac.link_mode_select; - - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg); - IXGBE_WRITE_FLUSH(hw); - msleep(50); - } - - /* Restart link */ - 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 (hw->phy.autoneg_wait_to_complete) { - if (hw->mac.link_mode_select == IXGBE_AUTOC_LMS_KX4_AN || - hw->mac.link_mode_select == 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"); - } - } - } - - /* - * We want to save off the original Flow Control configuration just in - * case we get disconnected and then reconnected into a different hub - * or switch with different Flow Control capabilities. - */ - hw->fc.type = hw->fc.original_type; - ixgbe_setup_fc(hw, 0); - - /* Add delay to filter out noises during initial link setup */ - msleep(50); - - return status; -} - -/** - * 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 - * - * 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, u32 *speed, - bool *link_up) -{ - u32 links_reg; - - links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); - - 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; - - return 0; -} - -/** - * ixgbe_setup_mac_link_speed_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 if waiting is needed to complete - * - * Set the link speed in the AUTOC register and restarts link. - **/ -static s32 ixgbe_setup_mac_link_speed_82598(struct ixgbe_hw *hw, - u32 speed, bool autoneg, - bool autoneg_wait_to_complete) -{ - s32 status = 0; - - /* If speed is 10G, then check for CX4 or XAUI. */ - if ((speed == IXGBE_LINK_SPEED_10GB_FULL) && - (!(hw->mac.link_attach_type & IXGBE_AUTOC_10G_KX4))) - hw->mac.link_mode_select = IXGBE_AUTOC_LMS_10G_LINK_NO_AN; - else if ((speed == IXGBE_LINK_SPEED_1GB_FULL) && (!autoneg)) - hw->mac.link_mode_select = IXGBE_AUTOC_LMS_1G_LINK_NO_AN; - else if (autoneg) { - /* BX mode - Autonegotiate 1G */ - if (!(hw->mac.link_attach_type & IXGBE_AUTOC_1G_PMA_PMD)) - hw->mac.link_mode_select = IXGBE_AUTOC_LMS_1G_AN; - else /* KX/KX4 mode */ - hw->mac.link_mode_select = IXGBE_AUTOC_LMS_KX4_AN_1G_AN; - } else { - status = IXGBE_ERR_LINK_SETUP; - } - - if (status == 0) { - hw->phy.autoneg_wait_to_complete = autoneg_wait_to_complete; - - hw->mac.link_settings_loaded = true; - /* - * 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 - */ - hw->mac.ops.setup_link(hw); - } - - return status; -} - - -/** - * ixgbe_setup_copper_link_82598 - Setup copper 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. Restart - * phy and wait for autonegotiate to finish. Then synchronize the - * MAC and PHY. - **/ -static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw) -{ - s32 status = 0; - - /* Restart autonegotiation on PHY */ - if (hw->phy.ops.setup_link) - status = hw->phy.ops.setup_link(hw); - - /* Set MAC to KX/KX4 autoneg, which defaultis to Parallel detection */ - hw->mac.link_attach_type = (IXGBE_AUTOC_10G_KX4 | IXGBE_AUTOC_1G_KX); - hw->mac.link_mode_select = IXGBE_AUTOC_LMS_KX4_AN; - - /* Set up MAC */ - hw->mac.ops.setup_link(hw); - - return status; -} - -/** - * ixgbe_setup_copper_link_speed_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_speed_82598(struct ixgbe_hw *hw, u32 speed, - bool autoneg, - bool autoneg_wait_to_complete) -{ - s32 status = 0; - - /* Setup the PHY according to input speed */ - if (hw->phy.ops.setup_link_speed) - status = hw->phy.ops.setup_link_speed(hw, speed, autoneg, - autoneg_wait_to_complete); - - /* Set MAC to KX/KX4 autoneg, which defaults to Parallel detection */ - hw->mac.link_attach_type = (IXGBE_AUTOC_10G_KX4 | IXGBE_AUTOC_1G_KX); - hw->mac.link_mode_select = IXGBE_AUTOC_LMS_KX4_AN; - - /* Set up MAC */ - hw->mac.ops.setup_link(hw); - - return status; -} - -/** - * ixgbe_reset_hw_82598 - Performs hardware reset - * @hw: pointer to hardware structure - * - * Resets the hardware by reseting 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; - u32 ctrl; - u32 gheccr; - u32 i; - u32 autoc; - u8 analog_val; - - /* Call adapter stop to disable tx/rx and clear interrupts */ - ixgbe_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. - */ - ixgbe_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 */ - ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val); - analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN; - ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, analog_val); - - ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &analog_val); - analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL; - ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, analog_val); - - ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &analog_val); - analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL; - ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, analog_val); - - ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &analog_val); - analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL; - ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, analog_val); - } - - /* Reset PHY */ - ixgbe_reset_phy(hw); - - /* - * Prevent the PCI-E bus from from hanging by disabling PCI-E master - * access and verify no pending requests before reset - */ - if (ixgbe_disable_pcie_master(hw) != 0) { - status = IXGBE_ERR_MASTER_REQUESTS_PENDING; - hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); - } - - /* - * 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"); - } - - 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); - - /* - * AUTOC register which stores link settings gets cleared - * and reloaded from EEPROM after reset. We need to restore - * our stored value from init in case SW changed the attach - * type or speed. If this is the first time and link settings - * have not been stored, store default settings from AUTOC. - */ - autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - if (hw->mac.link_settings_loaded) { - autoc &= ~(IXGBE_AUTOC_LMS_ATTACH_TYPE); - autoc &= ~(IXGBE_AUTOC_LMS_MASK); - autoc |= hw->mac.link_attach_type; - autoc |= hw->mac.link_mode_select; - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc); - } else { - hw->mac.link_attach_type = - (autoc & IXGBE_AUTOC_LMS_ATTACH_TYPE); - hw->mac.link_mode_select = (autoc & IXGBE_AUTOC_LMS_MASK); - hw->mac.link_settings_loaded = true; - } - - /* Store the permanent mac address */ - ixgbe_get_mac_addr(hw, hw->mac.perm_addr); - - return status; -} - -static struct ixgbe_mac_operations mac_ops_82598 = { - .reset = &ixgbe_reset_hw_82598, - .get_media_type = &ixgbe_get_media_type_82598, - .setup_link = &ixgbe_setup_mac_link_82598, - .check_link = &ixgbe_check_mac_link_82598, - .setup_link_speed = &ixgbe_setup_mac_link_speed_82598, - .get_link_settings = &ixgbe_get_link_settings_82598, -}; - -struct ixgbe_info ixgbe_82598_info = { - .mac = ixgbe_mac_82598EB, - .get_invariants = &ixgbe_get_invariants_82598, - .mac_ops = &mac_ops_82598, -}; - |
