// 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 <linux/netdevice.h> #include "ixgbe.h" #include "ixgbe_common.h" #include "ixgbe_phy.h" static int ixgbe_acquire_eeprom(struct ixgbe_hw *hw); static int ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw); static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw); static int ixgbe_ready_eeprom(struct ixgbe_hw *hw); static void ixgbe_standby_eeprom(struct ixgbe_hw *hw); static void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data, u16 count); static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count); static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec); static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec); static void ixgbe_release_eeprom(struct ixgbe_hw *hw); static int ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr); static int ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg); static int ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data); static int ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data); static int ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw, u16 offset); static int ixgbe_disable_pcie_primary(struct ixgbe_hw *hw); /* Base table for registers values that change by MAC */ const u32 ixgbe_mvals_8259X[IXGBE_MVALS_IDX_LIMIT] = …; /** * ixgbe_device_supports_autoneg_fc - Check if phy supports autoneg flow * control * @hw: pointer to hardware structure * * There are several phys that do not support autoneg flow control. This * function check the device id to see if the associated phy supports * autoneg flow control. **/ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw) { … } /** * ixgbe_setup_fc_generic - Set up flow control * @hw: pointer to hardware structure * * Called at init time to set up flow control. **/ int ixgbe_setup_fc_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_start_hw_generic - Prepare hardware for Tx/Rx * @hw: pointer to hardware structure * * Starts the hardware by filling the bus info structure and media type, clears * all on chip counters, initializes receive address registers, multicast * table, VLAN filter table, calls routine to set up link and flow control * settings, and leaves transmit and receive units disabled and uninitialized **/ int ixgbe_start_hw_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_start_hw_gen2 - Init sequence for common device family * @hw: pointer to hw structure * * Performs the init sequence common to the second generation * of 10 GbE devices. * Devices in the second generation: * 82599 * X540 **/ int ixgbe_start_hw_gen2(struct ixgbe_hw *hw) { … } /** * ixgbe_init_hw_generic - Generic hardware initialization * @hw: pointer to hardware structure * * Initialize the hardware by resetting the hardware, filling the bus info * structure and media type, clears all on chip counters, initializes receive * address registers, multicast table, VLAN filter table, calls routine to set * up link and flow control settings, and leaves transmit and receive units * disabled and uninitialized **/ int ixgbe_init_hw_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_clear_hw_cntrs_generic - Generic clear hardware counters * @hw: pointer to hardware structure * * Clears all hardware statistics counters by reading them from the hardware * Statistics counters are clear on read. **/ int ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_read_pba_string_generic - Reads part number string from EEPROM * @hw: pointer to hardware structure * @pba_num: stores the part number string from the EEPROM * @pba_num_size: part number string buffer length * * Reads the part number string from the EEPROM. **/ int ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num, u32 pba_num_size) { … } /** * ixgbe_get_mac_addr_generic - Generic get MAC address * @hw: pointer to hardware structure * @mac_addr: Adapter MAC address * * Reads the adapter's MAC address from first Receive Address Register (RAR0) * A reset of the adapter must be performed prior to calling this function * in order for the MAC address to have been loaded from the EEPROM into RAR0 **/ int ixgbe_get_mac_addr_generic(struct ixgbe_hw *hw, u8 *mac_addr) { … } enum ixgbe_bus_width ixgbe_convert_bus_width(u16 link_status) { … } enum ixgbe_bus_speed ixgbe_convert_bus_speed(u16 link_status) { … } /** * ixgbe_get_bus_info_generic - Generic set PCI bus info * @hw: pointer to hardware structure * * Sets the PCI bus info (speed, width, type) within the ixgbe_hw structure **/ int ixgbe_get_bus_info_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices * @hw: pointer to the HW structure * * Determines the LAN function id by reading memory-mapped registers * and swaps the port value if requested. **/ void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw) { … } /** * ixgbe_stop_adapter_generic - Generic stop Tx/Rx units * @hw: pointer to hardware structure * * Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts, * disables transmit and receive units. The adapter_stopped flag is used by * the shared code and drivers to determine if the adapter is in a stopped * state and should not touch the hardware. **/ int ixgbe_stop_adapter_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_init_led_link_act_generic - Store the LED index link/activity. * @hw: pointer to hardware structure * * Store the index for the link active LED. This will be used to support * blinking the LED. **/ int ixgbe_init_led_link_act_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_led_on_generic - Turns on the software controllable LEDs. * @hw: pointer to hardware structure * @index: led number to turn on **/ int ixgbe_led_on_generic(struct ixgbe_hw *hw, u32 index) { … } /** * ixgbe_led_off_generic - Turns off the software controllable LEDs. * @hw: pointer to hardware structure * @index: led number to turn off **/ int ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index) { … } /** * ixgbe_init_eeprom_params_generic - Initialize EEPROM params * @hw: pointer to hardware structure * * Initializes the EEPROM parameters ixgbe_eeprom_info within the * ixgbe_hw struct in order to set up EEPROM access. **/ int ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_write_eeprom_buffer_bit_bang_generic - Write EEPROM using bit-bang * @hw: pointer to hardware structure * @offset: offset within the EEPROM to write * @words: number of words * @data: 16 bit word(s) to write to EEPROM * * Reads 16 bit word(s) from EEPROM through bit-bang method **/ int ixgbe_write_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data) { … } /** * ixgbe_write_eeprom_buffer_bit_bang - Writes 16 bit word(s) to EEPROM * @hw: pointer to hardware structure * @offset: offset within the EEPROM to be written to * @words: number of word(s) * @data: 16 bit word(s) to be written to the EEPROM * * If ixgbe_eeprom_update_checksum is not called after this function, the * EEPROM will most likely contain an invalid checksum. **/ static int ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data) { … } /** * ixgbe_write_eeprom_generic - Writes 16 bit value to EEPROM * @hw: pointer to hardware structure * @offset: offset within the EEPROM to be written to * @data: 16 bit word to be written to the EEPROM * * If ixgbe_eeprom_update_checksum is not called after this function, the * EEPROM will most likely contain an invalid checksum. **/ int ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data) { … } /** * ixgbe_read_eeprom_buffer_bit_bang_generic - Read EEPROM using bit-bang * @hw: pointer to hardware structure * @offset: offset within the EEPROM to be read * @words: number of word(s) * @data: read 16 bit words(s) from EEPROM * * Reads 16 bit word(s) from EEPROM through bit-bang method **/ int ixgbe_read_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data) { … } /** * ixgbe_read_eeprom_buffer_bit_bang - Read EEPROM using bit-bang * @hw: pointer to hardware structure * @offset: offset within the EEPROM to be read * @words: number of word(s) * @data: read 16 bit word(s) from EEPROM * * Reads 16 bit word(s) from EEPROM through bit-bang method **/ static int ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data) { … } /** * ixgbe_read_eeprom_bit_bang_generic - Read EEPROM word using bit-bang * @hw: pointer to hardware structure * @offset: offset within the EEPROM to be read * @data: read 16 bit value from EEPROM * * Reads 16 bit value from EEPROM through bit-bang method **/ int ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset, u16 *data) { … } /** * ixgbe_read_eerd_buffer_generic - Read EEPROM word(s) using EERD * @hw: pointer to hardware structure * @offset: offset of word in the EEPROM to read * @words: number of word(s) * @data: 16 bit word(s) from the EEPROM * * Reads a 16 bit word(s) from the EEPROM using the EERD register. **/ int ixgbe_read_eerd_buffer_generic(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data) { … } /** * ixgbe_detect_eeprom_page_size_generic - Detect EEPROM page size * @hw: pointer to hardware structure * @offset: offset within the EEPROM to be used as a scratch pad * * Discover EEPROM page size by writing marching data at given offset. * This function is called only when we are writing a new large buffer * at given offset so the data would be overwritten anyway. **/ static int ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw, u16 offset) { … } /** * ixgbe_read_eerd_generic - Read EEPROM word using EERD * @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 using the EERD register. **/ int ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data) { … } /** * ixgbe_write_eewr_buffer_generic - Write EEPROM word(s) using EEWR * @hw: pointer to hardware structure * @offset: offset of word in the EEPROM to write * @words: number of words * @data: word(s) write to the EEPROM * * Write a 16 bit word(s) to the EEPROM using the EEWR register. **/ int ixgbe_write_eewr_buffer_generic(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data) { … } /** * ixgbe_write_eewr_generic - Write EEPROM word using EEWR * @hw: pointer to hardware structure * @offset: offset of word in the EEPROM to write * @data: word write to the EEPROM * * Write a 16 bit word to the EEPROM using the EEWR register. **/ int ixgbe_write_eewr_generic(struct ixgbe_hw *hw, u16 offset, u16 data) { … } /** * ixgbe_poll_eerd_eewr_done - Poll EERD read or EEWR write status * @hw: pointer to hardware structure * @ee_reg: EEPROM flag for polling * * Polls the status bit (bit 1) of the EERD or EEWR to determine when the * read or write is done respectively. **/ static int ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg) { … } /** * ixgbe_acquire_eeprom - Acquire EEPROM using bit-bang * @hw: pointer to hardware structure * * Prepares EEPROM for access using bit-bang method. This function should * be called before issuing a command to the EEPROM. **/ static int ixgbe_acquire_eeprom(struct ixgbe_hw *hw) { … } /** * ixgbe_get_eeprom_semaphore - Get hardware semaphore * @hw: pointer to hardware structure * * Sets the hardware semaphores so EEPROM access can occur for bit-bang method **/ static int ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw) { … } /** * ixgbe_release_eeprom_semaphore - Release hardware semaphore * @hw: pointer to hardware structure * * This function clears hardware semaphore bits. **/ static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw) { … } /** * ixgbe_ready_eeprom - Polls for EEPROM ready * @hw: pointer to hardware structure **/ static int ixgbe_ready_eeprom(struct ixgbe_hw *hw) { … } /** * ixgbe_standby_eeprom - Returns EEPROM to a "standby" state * @hw: pointer to hardware structure **/ static void ixgbe_standby_eeprom(struct ixgbe_hw *hw) { … } /** * ixgbe_shift_out_eeprom_bits - Shift data bits out to the EEPROM. * @hw: pointer to hardware structure * @data: data to send to the EEPROM * @count: number of bits to shift out **/ static void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data, u16 count) { … } /** * ixgbe_shift_in_eeprom_bits - Shift data bits in from the EEPROM * @hw: pointer to hardware structure * @count: number of bits to shift **/ static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count) { … } /** * ixgbe_raise_eeprom_clk - Raises the EEPROM's clock input. * @hw: pointer to hardware structure * @eec: EEC register's current value **/ static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec) { … } /** * ixgbe_lower_eeprom_clk - Lowers the EEPROM's clock input. * @hw: pointer to hardware structure * @eec: EEC's current value **/ static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec) { … } /** * ixgbe_release_eeprom - Release EEPROM, release semaphores * @hw: pointer to hardware structure **/ static void ixgbe_release_eeprom(struct ixgbe_hw *hw) { … } /** * ixgbe_calc_eeprom_checksum_generic - Calculates and returns the checksum * @hw: pointer to hardware structure **/ int ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_validate_eeprom_checksum_generic - Validate EEPROM checksum * @hw: pointer to hardware structure * @checksum_val: calculated checksum * * Performs checksum calculation and validates the EEPROM checksum. If the * caller does not need checksum_val, the value can be NULL. **/ int ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw, u16 *checksum_val) { … } /** * ixgbe_update_eeprom_checksum_generic - Updates the EEPROM checksum * @hw: pointer to hardware structure **/ int ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_set_rar_generic - Set Rx address register * @hw: pointer to hardware structure * @index: Receive address register to write * @addr: Address to put into receive address register * @vmdq: VMDq "set" or "pool" index * @enable_addr: set flag that address is active * * Puts an ethernet address into a receive address register. **/ int ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq, u32 enable_addr) { … } /** * ixgbe_clear_rar_generic - Remove Rx address register * @hw: pointer to hardware structure * @index: Receive address register to write * * Clears an ethernet address from a receive address register. **/ int ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index) { … } /** * ixgbe_init_rx_addrs_generic - Initializes receive address filters. * @hw: pointer to hardware structure * * Places the MAC address in receive address register 0 and clears the rest * of the receive address registers. Clears the multicast table. Assumes * the receiver is in reset when the routine is called. **/ int ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_mta_vector - Determines bit-vector in multicast table to set * @hw: pointer to hardware structure * @mc_addr: the multicast address * * Extracts the 12 bits, from a multicast address, to determine which * bit-vector to set in the multicast table. The hardware uses 12 bits, from * incoming rx multicast addresses, to determine the bit-vector to check in * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set * by the MO field of the MCSTCTRL. The MO field is set during initialization * to mc_filter_type. **/ static int ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr) { … } /** * ixgbe_set_mta - Set bit-vector in multicast table * @hw: pointer to hardware structure * @mc_addr: Multicast address * * Sets the bit-vector in the multicast table. **/ static void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr) { … } /** * ixgbe_update_mc_addr_list_generic - Updates MAC list of multicast addresses * @hw: pointer to hardware structure * @netdev: pointer to net device structure * * The given list replaces any existing list. Clears the MC addrs from receive * address registers and the multicast table. Uses unused receive address * registers for the first multicast addresses, and hashes the rest into the * multicast table. **/ int ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, struct net_device *netdev) { … } /** * ixgbe_enable_mc_generic - Enable multicast address in RAR * @hw: pointer to hardware structure * * Enables multicast address in RAR and the use of the multicast hash table. **/ int ixgbe_enable_mc_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_disable_mc_generic - Disable multicast address in RAR * @hw: pointer to hardware structure * * Disables multicast address in RAR and the use of the multicast hash table. **/ int ixgbe_disable_mc_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_fc_enable_generic - Enable flow control * @hw: pointer to hardware structure * * Enable flow control according to the current settings. **/ int ixgbe_fc_enable_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_negotiate_fc - Negotiate flow control * @hw: pointer to hardware structure * @adv_reg: flow control advertised settings * @lp_reg: link partner's flow control settings * @adv_sym: symmetric pause bit in advertisement * @adv_asm: asymmetric pause bit in advertisement * @lp_sym: symmetric pause bit in link partner advertisement * @lp_asm: asymmetric pause bit in link partner advertisement * * Find the intersection between advertised settings and link partner's * advertised settings **/ int ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg, u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm) { … } /** * ixgbe_fc_autoneg_fiber - Enable flow control on 1 gig fiber * @hw: pointer to hardware structure * * Enable flow control according on 1 gig fiber. **/ static int ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw) { … } /** * ixgbe_fc_autoneg_backplane - Enable flow control IEEE clause 37 * @hw: pointer to hardware structure * * Enable flow control according to IEEE clause 37. **/ static int ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw) { … } /** * ixgbe_fc_autoneg_copper - Enable flow control IEEE clause 37 * @hw: pointer to hardware structure * * Enable flow control according to IEEE clause 37. **/ static int ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw) { … } /** * ixgbe_fc_autoneg - Configure flow control * @hw: pointer to hardware structure * * Compares our advertised flow control capabilities to those advertised by * our link partner, and determines the proper flow control mode to use. **/ void ixgbe_fc_autoneg(struct ixgbe_hw *hw) { … } /** * ixgbe_pcie_timeout_poll - Return number of times to poll for completion * @hw: pointer to hardware structure * * System-wide timeout range is encoded in PCIe Device Control2 register. * * Add 10% to specified maximum and return the number of times to poll for * completion timeout, in units of 100 microsec. Never return less than * 800 = 80 millisec. **/ static u32 ixgbe_pcie_timeout_poll(struct ixgbe_hw *hw) { … } /** * ixgbe_disable_pcie_primary - Disable PCI-express primary access * @hw: pointer to hardware structure * * Disables PCI-Express primary access and verifies there are no pending * requests. -EALREADY is returned if primary disable * bit hasn't caused the primary requests to be disabled, else 0 * is returned signifying primary requests disabled. **/ static int ixgbe_disable_pcie_primary(struct ixgbe_hw *hw) { … } /** * ixgbe_acquire_swfw_sync - Acquire SWFW semaphore * @hw: pointer to hardware structure * @mask: Mask to specify which semaphore to acquire * * Acquires the SWFW semaphore through the GSSR register for the specified * function (CSR, PHY0, PHY1, EEPROM, Flash) **/ int ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u32 mask) { … } /** * ixgbe_release_swfw_sync - Release SWFW semaphore * @hw: pointer to hardware structure * @mask: Mask to specify which semaphore to release * * Releases the SWFW semaphore through the GSSR register for the specified * function (CSR, PHY0, PHY1, EEPROM, Flash) **/ void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u32 mask) { … } /** * prot_autoc_read_generic - Hides MAC differences needed for AUTOC read * @hw: pointer to hardware structure * @reg_val: Value we read from AUTOC * @locked: bool to indicate whether the SW/FW lock should be taken. Never * true in this the generic case. * * The default case requires no protection so just to the register read. **/ int prot_autoc_read_generic(struct ixgbe_hw *hw, bool *locked, u32 *reg_val) { … } /** * prot_autoc_write_generic - Hides MAC differences needed for AUTOC write * @hw: pointer to hardware structure * @reg_val: value to write to AUTOC * @locked: bool to indicate whether the SW/FW lock was already taken by * previous read. **/ int prot_autoc_write_generic(struct ixgbe_hw *hw, u32 reg_val, bool locked) { … } /** * ixgbe_disable_rx_buff_generic - Stops the receive data path * @hw: pointer to hardware structure * * Stops the receive data path and waits for the HW to internally * empty the Rx security block. **/ int ixgbe_disable_rx_buff_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_enable_rx_buff_generic - Enables the receive data path * @hw: pointer to hardware structure * * Enables the receive data path **/ int ixgbe_enable_rx_buff_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_enable_rx_dma_generic - Enable the Rx DMA unit * @hw: pointer to hardware structure * @regval: register value to write to RXCTRL * * Enables the Rx DMA unit **/ int ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval) { … } /** * ixgbe_blink_led_start_generic - Blink LED based on index. * @hw: pointer to hardware structure * @index: led number to blink **/ int ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index) { … } /** * ixgbe_blink_led_stop_generic - Stop blinking LED based on index. * @hw: pointer to hardware structure * @index: led number to stop blinking **/ int ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index) { … } /** * ixgbe_get_san_mac_addr_offset - Get SAN MAC address offset from the EEPROM * @hw: pointer to hardware structure * @san_mac_offset: SAN MAC address offset * * This function will read the EEPROM location for the SAN MAC address * pointer, and returns the value at that location. This is used in both * get and set mac_addr routines. **/ static int ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw, u16 *san_mac_offset) { … } /** * ixgbe_get_san_mac_addr_generic - SAN MAC address retrieval from the EEPROM * @hw: pointer to hardware structure * @san_mac_addr: SAN MAC address * * Reads the SAN MAC address from the EEPROM, if it's available. This is * per-port, so set_lan_id() must be called before reading the addresses. * set_lan_id() is called by identify_sfp(), but this cannot be relied * upon for non-SFP connections, so we must call it here. **/ int ixgbe_get_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr) { … } /** * ixgbe_get_pcie_msix_count_generic - 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. **/ u16 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_clear_vmdq_generic - Disassociate a VMDq pool index from a rx address * @hw: pointer to hardware struct * @rar: receive address register index to disassociate * @vmdq: VMDq pool index to remove from the rar **/ int ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq) { … } /** * ixgbe_set_vmdq_generic - Associate a VMDq pool index with a rx address * @hw: pointer to hardware struct * @rar: receive address register index to associate with a VMDq index * @vmdq: VMDq pool index **/ int ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq) { … } /** * ixgbe_set_vmdq_san_mac_generic - Associate VMDq pool index with a rx address * @hw: pointer to hardware struct * @vmdq: VMDq pool index * * This function should only be involved in the IOV mode. * In IOV mode, Default pool is next pool after the number of * VFs advertized and not 0. * MPSAR table needs to be updated for SAN_MAC RAR [hw->mac.san_mac_rar_index] **/ int ixgbe_set_vmdq_san_mac_generic(struct ixgbe_hw *hw, u32 vmdq) { … } /** * ixgbe_init_uta_tables_generic - Initialize the Unicast Table Array * @hw: pointer to hardware structure **/ int ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_find_vlvf_slot - find the vlanid or the first empty slot * @hw: pointer to hardware structure * @vlan: VLAN id to write to VLAN filter * @vlvf_bypass: true to find vlanid only, false returns first empty slot if * vlanid not found * * return the VLVF index where this VLAN id should be placed * **/ static int ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan, bool vlvf_bypass) { … } /** * ixgbe_set_vfta_generic - 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 VFVFB * @vlan_on: boolean flag to turn on/off VLAN in VFVF * @vlvf_bypass: boolean flag indicating updating default pool is okay * * Turn on/off specified VLAN in the VLAN filter table. **/ int ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on, bool vlvf_bypass) { … } /** * ixgbe_clear_vfta_generic - Clear VLAN filter table * @hw: pointer to hardware structure * * Clears the VLAN filter table, and the VMDq index associated with the filter **/ int ixgbe_clear_vfta_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_need_crosstalk_fix - Determine if we need to do cross talk fix * @hw: pointer to hardware structure * * Contains the logic to identify if we need to verify link for the * crosstalk fix **/ static bool ixgbe_need_crosstalk_fix(struct ixgbe_hw *hw) { … } /** * ixgbe_check_mac_link_generic - Determine link and speed status * @hw: pointer to hardware structure * @speed: pointer to link speed * @link_up: true when link is up * @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 **/ int ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed, bool *link_up, bool link_up_wait_to_complete) { … } /** * ixgbe_get_wwn_prefix_generic - Get alternative WWNN/WWPN prefix from * the EEPROM * @hw: pointer to hardware structure * @wwnn_prefix: the alternative WWNN prefix * @wwpn_prefix: the alternative WWPN prefix * * This function will read the EEPROM from the alternative SAN MAC address * block to check the support for the alternative WWNN/WWPN prefix support. **/ int ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix, u16 *wwpn_prefix) { … } /** * ixgbe_set_mac_anti_spoofing - Enable/Disable MAC anti-spoofing * @hw: pointer to hardware structure * @enable: enable or disable switch for MAC anti-spoofing * @vf: Virtual Function pool - VF Pool to set for MAC anti-spoofing * **/ void ixgbe_set_mac_anti_spoofing(struct ixgbe_hw *hw, bool enable, int vf) { … } /** * ixgbe_set_vlan_anti_spoofing - Enable/Disable VLAN anti-spoofing * @hw: pointer to hardware structure * @enable: enable or disable switch for VLAN anti-spoofing * @vf: Virtual Function pool - VF Pool to set for VLAN anti-spoofing * **/ void ixgbe_set_vlan_anti_spoofing(struct ixgbe_hw *hw, bool enable, int vf) { … } /** * ixgbe_get_device_caps_generic - 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. **/ int ixgbe_get_device_caps_generic(struct ixgbe_hw *hw, u16 *device_caps) { … } /** * ixgbe_set_rxpba_generic - 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 **/ void ixgbe_set_rxpba_generic(struct ixgbe_hw *hw, int num_pb, u32 headroom, int strategy) { … } /** * ixgbe_calculate_checksum - Calculate checksum for buffer * @buffer: pointer to EEPROM * @length: size of EEPROM to calculate a checksum for * * Calculates the checksum for some buffer on a specified length. The * checksum calculated is returned. **/ u8 ixgbe_calculate_checksum(u8 *buffer, u32 length) { … } /** * ixgbe_hic_unlocked - Issue command to manageability block unlocked * @hw: pointer to the HW structure * @buffer: command to write and where the return status will be placed * @length: length of buffer, must be multiple of 4 bytes * @timeout: time in ms to wait for command completion * * Communicates with the manageability block. On success return 0 * else returns semaphore error when encountering an error acquiring * semaphore, -EINVAL when incorrect parameters passed or -EIO when * command fails. * * This function assumes that the IXGBE_GSSR_SW_MNG_SM semaphore is held * by the caller. **/ int ixgbe_hic_unlocked(struct ixgbe_hw *hw, u32 *buffer, u32 length, u32 timeout) { … } /** * ixgbe_host_interface_command - Issue command to manageability block * @hw: pointer to the HW structure * @buffer: contains the command to write and where the return status will * be placed * @length: length of buffer, must be multiple of 4 bytes * @timeout: time in ms to wait for command completion * @return_data: read and return data from the buffer (true) or not (false) * Needed because FW structures are big endian and decoding of * these fields can be 8 bit or 16 bit based on command. Decoding * is not easily understood without making a table of commands. * So we will leave this up to the caller to read back the data * in these cases. * * Communicates with the manageability block. On success return 0 * else return -EIO or -EINVAL. **/ int ixgbe_host_interface_command(struct ixgbe_hw *hw, void *buffer, u32 length, u32 timeout, bool return_data) { … } /** * ixgbe_set_fw_drv_ver_generic - Sends driver version to firmware * @hw: pointer to the HW structure * @maj: driver version major number * @min: driver version minor number * @build: driver version build number * @sub: driver version sub build number * @len: length of driver_ver string * @driver_ver: driver string * * Sends driver version number to firmware through the manageability * block. On success return 0 * else returns -EBUSY when encountering an error acquiring * semaphore or -EIO when command fails. **/ int ixgbe_set_fw_drv_ver_generic(struct ixgbe_hw *hw, u8 maj, u8 min, u8 build, u8 sub, __always_unused u16 len, __always_unused const char *driver_ver) { … } /** * ixgbe_clear_tx_pending - Clear pending TX work from the PCIe fifo * @hw: pointer to the hardware structure * * The 82599 and x540 MACs can experience issues if TX work is still pending * when a reset occurs. This function prevents this by flushing the PCIe * buffers on the system. **/ void ixgbe_clear_tx_pending(struct ixgbe_hw *hw) { … } static const u8 ixgbe_emc_temp_data[4] = …; static const u8 ixgbe_emc_therm_limit[4] = …; /** * ixgbe_get_ets_data - Extracts the ETS bit data * @hw: pointer to hardware structure * @ets_cfg: extected ETS data * @ets_offset: offset of ETS data * * Returns error code. **/ static int ixgbe_get_ets_data(struct ixgbe_hw *hw, u16 *ets_cfg, u16 *ets_offset) { … } /** * ixgbe_get_thermal_sensor_data_generic - Gathers thermal sensor data * @hw: pointer to hardware structure * * Returns the thermal sensor data structure **/ int ixgbe_get_thermal_sensor_data_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_init_thermal_sensor_thresh_generic - Inits thermal sensor thresholds * @hw: pointer to hardware structure * * Inits the thermal sensor thresholds according to the NVM map * and save off the threshold and location values into mac.thermal_sensor_data **/ int ixgbe_init_thermal_sensor_thresh_generic(struct ixgbe_hw *hw) { … } /** * ixgbe_get_orom_version - Return option ROM from EEPROM * * @hw: pointer to hardware structure * @nvm_ver: pointer to output structure * * if valid option ROM version, nvm_ver->or_valid set to true * else nvm_ver->or_valid is false. **/ void ixgbe_get_orom_version(struct ixgbe_hw *hw, struct ixgbe_nvm_version *nvm_ver) { … } /** * ixgbe_get_oem_prod_version - Etrack ID from EEPROM * @hw: pointer to hardware structure * @nvm_ver: pointer to output structure * * if valid OEM product version, nvm_ver->oem_valid set to true * else nvm_ver->oem_valid is false. **/ void ixgbe_get_oem_prod_version(struct ixgbe_hw *hw, struct ixgbe_nvm_version *nvm_ver) { … } /** * ixgbe_get_etk_id - Return Etrack ID from EEPROM * * @hw: pointer to hardware structure * @nvm_ver: pointer to output structure * * word read errors will return 0xFFFF **/ void ixgbe_get_etk_id(struct ixgbe_hw *hw, struct ixgbe_nvm_version *nvm_ver) { … } void ixgbe_disable_rx_generic(struct ixgbe_hw *hw) { … } void ixgbe_enable_rx_generic(struct ixgbe_hw *hw) { … } /** ixgbe_mng_present - returns true when management capability is present * @hw: pointer to hardware structure **/ bool ixgbe_mng_present(struct ixgbe_hw *hw) { … } /** * ixgbe_setup_mac_link_multispeed_fiber - 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 MAC and/or PHY register and restarts link. */ int ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, ixgbe_link_speed speed, bool autoneg_wait_to_complete) { … } /** * ixgbe_set_soft_rate_select_speed - Set module link speed * @hw: pointer to hardware structure * @speed: link speed to set * * Set module link speed via the soft rate select. */ void ixgbe_set_soft_rate_select_speed(struct ixgbe_hw *hw, ixgbe_link_speed speed) { … }
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