1 /*-
4  * SPDX-License-Identifier: BSD-3-Clause
11  *  igc_init_mac_params - Initialize MAC function pointers
14  *  This function initializes the function pointers for the MAC
21 	if (hw->mac.ops.init_params) {  in igc_init_mac_params()
22 		ret_val = hw->mac.ops.init_params(hw);  in igc_init_mac_params()
24 			DEBUGOUT("MAC Initialization Error\n");  in igc_init_mac_params()
28 		DEBUGOUT("mac.init_mac_params was NULL\n");  in igc_init_mac_params()
29 		ret_val = -IGC_ERR_CONFIG;  in igc_init_mac_params()
37  *  igc_init_nvm_params - Initialize NVM function pointers
47 	if (hw->nvm.ops.init_params) {  in igc_init_nvm_params()
48 		ret_val = hw->nvm.ops.init_params(hw);  in igc_init_nvm_params()
55 		ret_val = -IGC_ERR_CONFIG;  in igc_init_nvm_params()
63  *  igc_init_phy_params - Initialize PHY function pointers
73 	if (hw->phy.ops.init_params) {  in igc_init_phy_params()
74 		ret_val = hw->phy.ops.init_params(hw);  in igc_init_phy_params()
81 		ret_val =  -IGC_ERR_CONFIG;  in igc_init_phy_params()
89  *  igc_set_mac_type - Sets MAC type
92  *  This function sets the mac type of the adapter based on the
99 	struct igc_mac_info *mac = &hw->mac;  in igc_set_mac_type()  local
104 	switch (hw->device_id) {  in igc_set_mac_type()
119 		mac->type = igc_i225;  in igc_set_mac_type()
123 		ret_val = -IGC_ERR_MAC_INIT;  in igc_set_mac_type()
131  *  igc_setup_init_funcs - Initializes function pointers
135  *		  MAC type and the function pointers for the other init
146 	/* Can't do much good without knowing the MAC type. */  in igc_setup_init_funcs()
149 		DEBUGOUT("ERROR: MAC type could not be set properly.\n");  in igc_setup_init_funcs()
153 	if (!hw->hw_addr) {  in igc_setup_init_funcs()
155 		ret_val = -IGC_ERR_CONFIG;  in igc_setup_init_funcs()
172 	switch (hw->mac.type) {  in igc_setup_init_funcs()
178 		ret_val = -IGC_ERR_CONFIG;  in igc_setup_init_funcs()
205  *  igc_get_bus_info - Obtain bus information for adapter
214 	if (hw->mac.ops.get_bus_info)  in igc_get_bus_info()
215 		return hw->mac.ops.get_bus_info(hw);  in igc_get_bus_info()
221  *  igc_clear_vfta - Clear VLAN filter table
229 	if (hw->mac.ops.clear_vfta)  in igc_clear_vfta()
230 		hw->mac.ops.clear_vfta(hw);  in igc_clear_vfta()
234  *  igc_write_vfta - Write value to VLAN filter table
236  *  @offset: the 32-bit offset in which to write the value to.
237  *  @value: the 32-bit value to write at location offset.
239  *  This writes a 32-bit value to a 32-bit offset in the VLAN filter
244 	if (hw->mac.ops.write_vfta)  in igc_write_vfta()
245 		hw->mac.ops.write_vfta(hw, offset, value);  in igc_write_vfta()
249  *  igc_update_mc_addr_list - Update Multicast addresses
260 	if (hw->mac.ops.update_mc_addr_list)  in igc_update_mc_addr_list()
261 		hw->mac.ops.update_mc_addr_list(hw, mc_addr_list,  in igc_update_mc_addr_list()
266  *  igc_force_mac_fc - Force MAC flow control
269  *  Force the MAC's flow control settings. Currently no func pointer exists
279  *  igc_check_for_link - Check/Store link connection
283  *  results in the hw->mac structure. This is a function pointer entry
288 	if (hw->mac.ops.check_for_link)  in igc_check_for_link()
289 		return hw->mac.ops.check_for_link(hw);  in igc_check_for_link()
291 	return -IGC_ERR_CONFIG;  in igc_check_for_link()
295  *  igc_reset_hw - Reset hardware
303 	if (hw->mac.ops.reset_hw)  in igc_reset_hw()
304 		return hw->mac.ops.reset_hw(hw);  in igc_reset_hw()
306 	return -IGC_ERR_CONFIG;  in igc_reset_hw()
310  *  igc_init_hw - Initialize hardware
318 	if (hw->mac.ops.init_hw)  in igc_init_hw()
319 		return hw->mac.ops.init_hw(hw);  in igc_init_hw()
321 	return -IGC_ERR_CONFIG;  in igc_init_hw()
325  *  igc_setup_link - Configures link and flow control
334 	if (hw->mac.ops.setup_link)  in igc_setup_link()
335 		return hw->mac.ops.setup_link(hw);  in igc_setup_link()
337 	return -IGC_ERR_CONFIG;  in igc_setup_link()
341  *  igc_get_speed_and_duplex - Returns current speed and duplex
343  *  @speed: pointer to a 16-bit value to store the speed
344  *  @duplex: pointer to a 16-bit value to store the duplex.
352 	if (hw->mac.ops.get_link_up_info)  in igc_get_speed_and_duplex()
353 		return hw->mac.ops.get_link_up_info(hw, speed, duplex);  in igc_get_speed_and_duplex()
355 	return -IGC_ERR_CONFIG;  in igc_get_speed_and_duplex()
359  *  igc_disable_pcie_master - Disable PCI-Express master access
362  *  Disables PCI-Express master access and verifies there are no pending
372  *  igc_config_collision_dist - Configure collision distance
380 	if (hw->mac.ops.config_collision_dist)  in igc_config_collision_dist()
381 		hw->mac.ops.config_collision_dist(hw);  in igc_config_collision_dist()
385  *  igc_rar_set - Sets a receive address register
387  *  @addr: address to set the RAR to
390  *  Sets a Receive Address Register (RAR) to the specified address.
394 	if (hw->mac.ops.rar_set)  in igc_rar_set()
395 		return hw->mac.ops.rar_set(hw, addr, index);  in igc_rar_set()
401  *  igc_validate_mdi_setting - Ensures valid MDI/MDIX SW state
408 	if (hw->mac.ops.validate_mdi_setting)  in igc_validate_mdi_setting()
409 		return hw->mac.ops.validate_mdi_setting(hw);  in igc_validate_mdi_setting()
415  *  igc_hash_mc_addr - Determines address location in multicast table
417  *  @mc_addr: Multicast address to hash.
419  *  This hashes an address to determine its location in the multicast
429  *  igc_check_reset_block - Verifies PHY can be reset
437 	if (hw->phy.ops.check_reset_block)  in igc_check_reset_block()
438 		return hw->phy.ops.check_reset_block(hw);  in igc_check_reset_block()
444  *  igc_read_phy_reg - Reads PHY register
447  *  @data: the buffer to store the 16-bit read.
454 	if (hw->phy.ops.read_reg)  in igc_read_phy_reg()
455 		return hw->phy.ops.read_reg(hw, offset, data);  in igc_read_phy_reg()
461  *  igc_write_phy_reg - Writes PHY register
471 	if (hw->phy.ops.write_reg)  in igc_write_phy_reg()
472 		return hw->phy.ops.write_reg(hw, offset, data);  in igc_write_phy_reg()
478  *  igc_release_phy - Generic release PHY
486 	if (hw->phy.ops.release)  in igc_release_phy()
487 		hw->phy.ops.release(hw);  in igc_release_phy()
491  *  igc_acquire_phy - Generic acquire PHY
499 	if (hw->phy.ops.acquire)  in igc_acquire_phy()
500 		return hw->phy.ops.acquire(hw);  in igc_acquire_phy()
506  *  igc_get_phy_info - Retrieves PHY information from registers
510  *  populates hw->phy values with it. This is a function pointer entry
515 	if (hw->phy.ops.get_info)  in igc_get_phy_info()
516 		return hw->phy.ops.get_info(hw);  in igc_get_phy_info()
522  *  igc_phy_hw_reset - Hard PHY reset
530 	if (hw->phy.ops.reset)  in igc_phy_hw_reset()
531 		return hw->phy.ops.reset(hw);  in igc_phy_hw_reset()
537  *  igc_set_d0_lplu_state - Sets low power link up state for D0
552 	if (hw->phy.ops.set_d0_lplu_state)  in igc_set_d0_lplu_state()
553 		return hw->phy.ops.set_d0_lplu_state(hw, active);  in igc_set_d0_lplu_state()
559  *  igc_set_d3_lplu_state - Sets low power link up state for D3
574 	if (hw->phy.ops.set_d3_lplu_state)  in igc_set_d3_lplu_state()
575 		return hw->phy.ops.set_d3_lplu_state(hw, active);  in igc_set_d3_lplu_state()
581  *  igc_read_mac_addr - Reads MAC address
584  *  Reads the MAC address out of the adapter and stores it in the HW structure.
590 	if (hw->mac.ops.read_mac_addr)  in igc_read_mac_addr()
591 		return hw->mac.ops.read_mac_addr(hw);  in igc_read_mac_addr()
597  *  igc_read_pba_string - Read device part number string
613  *  igc_validate_nvm_checksum - Verifies NVM (EEPROM) checksum
621 	if (hw->nvm.ops.validate)  in igc_validate_nvm_checksum()
622 		return hw->nvm.ops.validate(hw);  in igc_validate_nvm_checksum()
624 	return -IGC_ERR_CONFIG;  in igc_validate_nvm_checksum()
628  *  igc_update_nvm_checksum - Updates NVM (EEPROM) checksum
636 	if (hw->nvm.ops.update)  in igc_update_nvm_checksum()
637 		return hw->nvm.ops.update(hw);  in igc_update_nvm_checksum()
639 	return -IGC_ERR_CONFIG;  in igc_update_nvm_checksum()
643  *  igc_reload_nvm - Reloads EEPROM
651 	if (hw->nvm.ops.reload)  in igc_reload_nvm()
652 		hw->nvm.ops.reload(hw);  in igc_reload_nvm()
656  *  igc_read_nvm - Reads NVM (EEPROM)
659  *  @words: number of 16-bit words to read
662  *  Reads 16-bit chunks of data from the NVM (EEPROM). This is a function
667 	if (hw->nvm.ops.read)  in igc_read_nvm()
668 		return hw->nvm.ops.read(hw, offset, words, data);  in igc_read_nvm()
670 	return -IGC_ERR_CONFIG;  in igc_read_nvm()
674  *  igc_write_nvm - Writes to NVM (EEPROM)
677  *  @words: number of 16-bit words to write
680  *  Writes 16-bit chunks of data to the NVM (EEPROM). This is a function
685 	if (hw->nvm.ops.write)  in igc_write_nvm()
686 		return hw->nvm.ops.write(hw, offset, words, data);  in igc_write_nvm()
692  * igc_power_up_phy - Restores link in case of PHY power down
695  * The phy may be powered down to save power, to turn off link when the
700 	if (hw->phy.ops.power_up)  in igc_power_up_phy()
701 		hw->phy.ops.power_up(hw);  in igc_power_up_phy()
707  * igc_power_down_phy - Power down PHY
710  * The phy may be powered down to save power, to turn off link when the
715 	if (hw->phy.ops.power_down)  in igc_power_down_phy()
716 		hw->phy.ops.power_down(hw);  in igc_power_down_phy()