// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 1999 - 2018 Intel Corporation. */ #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 … #define IXGBE_82598_MAX_RX_QUEUES … #define IXGBE_82598_RAR_ENTRIES … #define IXGBE_82598_MC_TBL_SIZE … #define IXGBE_82598_VFT_TBL_SIZE … #define IXGBE_82598_RX_PB_SIZE … static int ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, ixgbe_link_speed speed, bool autoneg_wait_to_complete); static int 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) { … } static int ixgbe_get_invariants_82598(struct ixgbe_hw *hw) { … } /** * 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 int ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) { … } /** * 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 for archs other than SPARC * Then set pcie completion timeout * **/ static int ixgbe_start_hw_82598(struct ixgbe_hw *hw) { … } /** * 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 int ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, ixgbe_link_speed *speed, bool *autoneg) { … } /** * 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) { … } /** * ixgbe_fc_enable_82598 - Enable flow control * @hw: pointer to hardware structure * * Enable flow control according to the current settings. **/ static int ixgbe_fc_enable_82598(struct ixgbe_hw *hw) { … } /** * ixgbe_start_mac_link_82598 - Configures MAC link settings * @hw: pointer to hardware structure * @autoneg_wait_to_complete: true when waiting for completion is needed * * Configures link settings based on values in the ixgbe_hw struct. * Restarts the link. Performs autonegotiation if needed. **/ static int ixgbe_start_mac_link_82598(struct ixgbe_hw *hw, bool autoneg_wait_to_complete) { … } /** * 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 int ixgbe_validate_link_ready(struct ixgbe_hw *hw) { … } /** * 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 int ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, ixgbe_link_speed *speed, bool *link_up, bool link_up_wait_to_complete) { … } /** * ixgbe_setup_mac_link_82598 - Set MAC link speed * @hw: pointer to hardware structure * @speed: new link speed * @autoneg_wait_to_complete: true when waiting for completion is needed * * Set the link speed in the AUTOC register and restarts link. **/ static int ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, ixgbe_link_speed speed, bool autoneg_wait_to_complete) { … } /** * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field * @hw: pointer to hardware structure * @speed: new link speed * @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 int ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, ixgbe_link_speed speed, bool autoneg_wait_to_complete) { … } /** * 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 int ixgbe_reset_hw_82598(struct ixgbe_hw *hw) { … } /** * 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 int ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) { … } /** * 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 int ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) { … } /** * 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 * @vlvf_bypass: boolean flag - unused * * Turn on/off specified VLAN in the VLAN filter table. **/ static int ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on, bool vlvf_bypass) { … } /** * ixgbe_clear_vfta_82598 - Clear VLAN filter table * @hw: pointer to hardware structure * * Clears the VLAN filter table, and the VMDq index associated with the filter **/ static int ixgbe_clear_vfta_82598(struct ixgbe_hw *hw) { … } /** * 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 int ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val) { … } /** * 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 int ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val) { … } /** * ixgbe_read_i2c_phy_82598 - Reads 8 bit word over I2C interface. * @hw: pointer to hardware structure * @dev_addr: address to read from * @byte_offset: byte offset to read from dev_addr * @eeprom_data: value read * * Performs 8 byte read operation to SFP module's data over I2C interface. **/ static int ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr, u8 byte_offset, u8 *eeprom_data) { … } /** * 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 int ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, u8 *eeprom_data) { … } /** * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface. * @hw: pointer to hardware structure * @byte_offset: byte offset at address 0xA2 * @sff8472_data: value read * * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C **/ static int ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset, u8 *sff8472_data) { … } /** * 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) { … } /** * ixgbe_set_rxpba_82598 - Initialize RX packet buffer * @hw: pointer to hardware structure * @num_pb: number of packet buffers to allocate * @headroom: reserve n KB of headroom * @strategy: packet buffer allocation strategy **/ static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb, u32 headroom, int strategy) { … } static const struct ixgbe_mac_operations mac_ops_82598 = …; static const struct ixgbe_eeprom_operations eeprom_ops_82598 = …; static const struct ixgbe_phy_operations phy_ops_82598 = …; const struct ixgbe_info ixgbe_82598_info = …;
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