// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 1999 - 2018 Intel Corporation. */ #include <linux/bitfield.h> #include "e1000.h" /** * e1000e_get_bus_info_pcie - Get PCIe bus information * @hw: pointer to the HW structure * * Determines and stores the system bus information for a particular * network interface. The following bus information is determined and stored: * bus speed, bus width, type (PCIe), and PCIe function. **/ s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw) { … } /** * e1000_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 e1000_set_lan_id_multi_port_pcie(struct e1000_hw *hw) { … } /** * e1000_set_lan_id_single_port - Set LAN id for a single port device * @hw: pointer to the HW structure * * Sets the LAN function id to zero for a single port device. **/ void e1000_set_lan_id_single_port(struct e1000_hw *hw) { … } /** * e1000_clear_vfta_generic - Clear VLAN filter table * @hw: pointer to the HW structure * * Clears the register array which contains the VLAN filter table by * setting all the values to 0. **/ void e1000_clear_vfta_generic(struct e1000_hw *hw) { … } /** * e1000_write_vfta_generic - Write value to VLAN filter table * @hw: pointer to the HW structure * @offset: register offset in VLAN filter table * @value: register value written to VLAN filter table * * Writes value at the given offset in the register array which stores * the VLAN filter table. **/ void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value) { … } /** * e1000e_init_rx_addrs - Initialize receive address's * @hw: pointer to the HW structure * @rar_count: receive address registers * * Setup the receive address registers by setting the base receive address * register to the devices MAC address and clearing all the other receive * address registers to 0. **/ void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count) { … } /** * e1000_check_alt_mac_addr_generic - Check for alternate MAC addr * @hw: pointer to the HW structure * * Checks the nvm for an alternate MAC address. An alternate MAC address * can be setup by pre-boot software and must be treated like a permanent * address and must override the actual permanent MAC address. If an * alternate MAC address is found it is programmed into RAR0, replacing * the permanent address that was installed into RAR0 by the Si on reset. * This function will return SUCCESS unless it encounters an error while * reading the EEPROM. **/ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw) { … } u32 e1000e_rar_get_count_generic(struct e1000_hw *hw) { … } /** * e1000e_rar_set_generic - Set receive address register * @hw: pointer to the HW structure * @addr: pointer to the receive address * @index: receive address array register * * Sets the receive address array register at index to the address passed * in by addr. **/ int e1000e_rar_set_generic(struct e1000_hw *hw, u8 *addr, u32 index) { … } /** * e1000_hash_mc_addr - Generate a multicast hash value * @hw: pointer to the HW structure * @mc_addr: pointer to a multicast address * * Generates a multicast address hash value which is used to determine * the multicast filter table array address and new table value. **/ static u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) { … } /** * e1000e_update_mc_addr_list_generic - Update Multicast addresses * @hw: pointer to the HW structure * @mc_addr_list: array of multicast addresses to program * @mc_addr_count: number of multicast addresses to program * * Updates entire Multicast Table Array. * The caller must have a packed mc_addr_list of multicast addresses. **/ void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw, u8 *mc_addr_list, u32 mc_addr_count) { … } /** * e1000e_clear_hw_cntrs_base - Clear base hardware counters * @hw: pointer to the HW structure * * Clears the base hardware counters by reading the counter registers. **/ void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw) { … } /** * e1000e_check_for_copper_link - Check for link (Copper) * @hw: pointer to the HW structure * * Checks to see of the link status of the hardware has changed. If a * change in link status has been detected, then we read the PHY registers * to get the current speed/duplex if link exists. **/ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) { … } /** * e1000e_check_for_fiber_link - Check for link (Fiber) * @hw: pointer to the HW structure * * Checks for link up on the hardware. If link is not up and we have * a signal, then we need to force link up. **/ s32 e1000e_check_for_fiber_link(struct e1000_hw *hw) { … } /** * e1000e_check_for_serdes_link - Check for link (Serdes) * @hw: pointer to the HW structure * * Checks for link up on the hardware. If link is not up and we have * a signal, then we need to force link up. **/ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw) { … } /** * e1000_set_default_fc_generic - Set flow control default values * @hw: pointer to the HW structure * * Read the EEPROM for the default values for flow control and store the * values. **/ static s32 e1000_set_default_fc_generic(struct e1000_hw *hw) { … } /** * e1000e_setup_link_generic - Setup flow control and link settings * @hw: pointer to the HW structure * * Determines which flow control settings to use, then configures flow * control. Calls the appropriate media-specific link configuration * function. Assuming the adapter has a valid link partner, a valid link * should be established. Assumes the hardware has previously been reset * and the transmitter and receiver are not enabled. **/ s32 e1000e_setup_link_generic(struct e1000_hw *hw) { … } /** * e1000_commit_fc_settings_generic - Configure flow control * @hw: pointer to the HW structure * * Write the flow control settings to the Transmit Config Word Register (TXCW) * base on the flow control settings in e1000_mac_info. **/ static s32 e1000_commit_fc_settings_generic(struct e1000_hw *hw) { … } /** * e1000_poll_fiber_serdes_link_generic - Poll for link up * @hw: pointer to the HW structure * * Polls for link up by reading the status register, if link fails to come * up with auto-negotiation, then the link is forced if a signal is detected. **/ static s32 e1000_poll_fiber_serdes_link_generic(struct e1000_hw *hw) { … } /** * e1000e_setup_fiber_serdes_link - Setup link for fiber/serdes * @hw: pointer to the HW structure * * Configures collision distance and flow control for fiber and serdes * links. Upon successful setup, poll for link. **/ s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw) { … } /** * e1000e_config_collision_dist_generic - Configure collision distance * @hw: pointer to the HW structure * * Configures the collision distance to the default value and is used * during link setup. **/ void e1000e_config_collision_dist_generic(struct e1000_hw *hw) { … } /** * e1000e_set_fc_watermarks - Set flow control high/low watermarks * @hw: pointer to the HW structure * * Sets the flow control high/low threshold (watermark) registers. If * flow control XON frame transmission is enabled, then set XON frame * transmission as well. **/ s32 e1000e_set_fc_watermarks(struct e1000_hw *hw) { … } /** * e1000e_force_mac_fc - Force the MAC's flow control settings * @hw: pointer to the HW structure * * Force the MAC's flow control settings. Sets the TFCE and RFCE bits in the * device control register to reflect the adapter settings. TFCE and RFCE * need to be explicitly set by software when a copper PHY is used because * autonegotiation is managed by the PHY rather than the MAC. Software must * also configure these bits when link is forced on a fiber connection. **/ s32 e1000e_force_mac_fc(struct e1000_hw *hw) { … } /** * e1000e_config_fc_after_link_up - Configures flow control after link * @hw: pointer to the HW structure * * Checks the status of auto-negotiation after link up to ensure that the * speed and duplex were not forced. If the link needed to be forced, then * flow control needs to be forced also. If auto-negotiation is enabled * and did not fail, then we configure flow control based on our link * partner. **/ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw) { … } /** * e1000e_get_speed_and_duplex_copper - Retrieve current speed/duplex * @hw: pointer to the HW structure * @speed: stores the current speed * @duplex: stores the current duplex * * Read the status register for the current speed/duplex and store the current * speed and duplex for copper connections. **/ s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex) { … } /** * e1000e_get_speed_and_duplex_fiber_serdes - Retrieve current speed/duplex * @hw: pointer to the HW structure * @speed: stores the current speed * @duplex: stores the current duplex * * Sets the speed and duplex to gigabit full duplex (the only possible option) * for fiber/serdes links. **/ s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw __always_unused *hw, u16 *speed, u16 *duplex) { … } /** * e1000e_get_hw_semaphore - Acquire hardware semaphore * @hw: pointer to the HW structure * * Acquire the HW semaphore to access the PHY or NVM **/ s32 e1000e_get_hw_semaphore(struct e1000_hw *hw) { … } /** * e1000e_put_hw_semaphore - Release hardware semaphore * @hw: pointer to the HW structure * * Release hardware semaphore used to access the PHY or NVM **/ void e1000e_put_hw_semaphore(struct e1000_hw *hw) { … } /** * e1000e_get_auto_rd_done - Check for auto read completion * @hw: pointer to the HW structure * * Check EEPROM for Auto Read done bit. **/ s32 e1000e_get_auto_rd_done(struct e1000_hw *hw) { … } /** * e1000e_valid_led_default - Verify a valid default LED config * @hw: pointer to the HW structure * @data: pointer to the NVM (EEPROM) * * Read the EEPROM for the current default LED configuration. If the * LED configuration is not valid, set to a valid LED configuration. **/ s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data) { … } /** * e1000e_id_led_init_generic - * @hw: pointer to the HW structure * **/ s32 e1000e_id_led_init_generic(struct e1000_hw *hw) { … } /** * e1000e_setup_led_generic - Configures SW controllable LED * @hw: pointer to the HW structure * * This prepares the SW controllable LED for use and saves the current state * of the LED so it can be later restored. **/ s32 e1000e_setup_led_generic(struct e1000_hw *hw) { … } /** * e1000e_cleanup_led_generic - Set LED config to default operation * @hw: pointer to the HW structure * * Remove the current LED configuration and set the LED configuration * to the default value, saved from the EEPROM. **/ s32 e1000e_cleanup_led_generic(struct e1000_hw *hw) { … } /** * e1000e_blink_led_generic - Blink LED * @hw: pointer to the HW structure * * Blink the LEDs which are set to be on. **/ s32 e1000e_blink_led_generic(struct e1000_hw *hw) { … } /** * e1000e_led_on_generic - Turn LED on * @hw: pointer to the HW structure * * Turn LED on. **/ s32 e1000e_led_on_generic(struct e1000_hw *hw) { … } /** * e1000e_led_off_generic - Turn LED off * @hw: pointer to the HW structure * * Turn LED off. **/ s32 e1000e_led_off_generic(struct e1000_hw *hw) { … } /** * e1000e_set_pcie_no_snoop - Set PCI-express capabilities * @hw: pointer to the HW structure * @no_snoop: bitmap of snoop events * * Set the PCI-express register to snoop for events enabled in 'no_snoop'. **/ void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop) { … } /** * e1000e_disable_pcie_master - Disables PCI-express master access * @hw: pointer to the HW structure * * Returns 0 if successful, else returns -10 * (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not caused * the master requests to be disabled. * * Disables PCI-Express master access and verifies there are no pending * requests. **/ s32 e1000e_disable_pcie_master(struct e1000_hw *hw) { … } /** * e1000e_reset_adaptive - Reset Adaptive Interframe Spacing * @hw: pointer to the HW structure * * Reset the Adaptive Interframe Spacing throttle to default values. **/ void e1000e_reset_adaptive(struct e1000_hw *hw) { … } /** * e1000e_update_adaptive - Update Adaptive Interframe Spacing * @hw: pointer to the HW structure * * Update the Adaptive Interframe Spacing Throttle value based on the * time between transmitted packets and time between collisions. **/ void e1000e_update_adaptive(struct e1000_hw *hw) { … }
Codebase Browser
linux