/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2005-2008 Solarflare Communications Inc.
+ * Copyright 2005-2009 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
#ifndef EFX_DRIVER_NAME
#define EFX_DRIVER_NAME "sfc"
#endif
-#define EFX_DRIVER_VERSION "2.3"
+#define EFX_DRIVER_VERSION "3.0"
#ifdef EFX_ENABLE_DEBUG
#define EFX_BUG_ON_PARANOID(x) BUG_ON(x)
* Special buffers are used for the event queues and the TX and RX
* descriptor queues for each channel. They are *not* used for the
* actual transmit and receive buffers.
- *
- * Note that for Falcon, TX and RX descriptor queues live in host memory.
- * Allocation and freeing procedures must take this into account.
*/
struct efx_special_buffer {
void *addr;
int entries;
};
+enum efx_flush_state {
+ FLUSH_NONE,
+ FLUSH_PENDING,
+ FLUSH_FAILED,
+ FLUSH_DONE,
+};
+
/**
* struct efx_tx_buffer - An Efx TX buffer
* @skb: The associated socket buffer.
struct efx_nic *nic;
struct efx_tx_buffer *buffer;
struct efx_special_buffer txd;
- bool flushed;
+ enum efx_flush_state flushed;
/* Members used mainly on the completion path */
unsigned int read_count ____cacheline_aligned_in_smp;
struct page *buf_page;
dma_addr_t buf_dma_addr;
char *buf_data;
- bool flushed;
+ enum efx_flush_state flushed;
};
/**
* @dma_addr: DMA base address of the buffer
* @len: Buffer length, in bytes
*
- * Falcon uses these buffers for its interrupt status registers and
+ * The NIC uses these buffers for its interrupt status registers and
* MAC stats dumps.
*/
struct efx_buffer {
* @rx_alloc_push_pages: RX allocation method currently in use for pushing
* descriptors
* @n_rx_tobe_disc: Count of RX_TOBE_DISC errors
- * @n_rx_ip_frag_err: Count of RX IP fragment errors
* @n_rx_ip_hdr_chksum_err: Count of RX IP header checksum errors
* @n_rx_tcp_udp_chksum_err: Count of RX TCP and UDP checksum errors
+ * @n_rx_mcast_mismatch: Count of unmatched multicast frames
* @n_rx_frm_trunc: Count of RX_FRM_TRUNC errors
* @n_rx_overlength: Count of RX_OVERLENGTH errors
* @n_skbuff_leaks: Count of skbuffs leaked due to RX overrun
int rx_alloc_push_pages;
unsigned n_rx_tobe_disc;
- unsigned n_rx_ip_frag_err;
unsigned n_rx_ip_hdr_chksum_err;
unsigned n_rx_tcp_udp_chksum_err;
+ unsigned n_rx_mcast_mismatch;
unsigned n_rx_frm_trunc;
unsigned n_rx_overlength;
unsigned n_skbuff_leaks;
};
-/**
- * struct efx_board - board information
- * @type: Board model type
- * @major: Major rev. ('A', 'B' ...)
- * @minor: Minor rev. (0, 1, ...)
- * @init: Initialisation function
- * @init_leds: Sets up board LEDs. May be called repeatedly.
- * @set_id_led: Turns the identification LED on or off
- * @blink: Starts/stops blinking
- * @monitor: Board-specific health check function
- * @fini: Cleanup function
- * @blink_state: Current blink state
- * @blink_resubmit: Blink timer resubmission flag
- * @blink_timer: Blink timer
- * @hwmon_client: I2C client for hardware monitor
- * @ioexp_client: I2C client for power/port control
- */
-struct efx_board {
- int type;
- int major;
- int minor;
- int (*init) (struct efx_nic *nic);
- /* As the LEDs are typically attached to the PHY, LEDs
- * have a separate init callback that happens later than
- * board init. */
- void (*init_leds)(struct efx_nic *efx);
- void (*set_id_led) (struct efx_nic *efx, bool state);
- int (*monitor) (struct efx_nic *nic);
- void (*blink) (struct efx_nic *efx, bool start);
- void (*fini) (struct efx_nic *nic);
- bool blink_state;
- bool blink_resubmit;
- struct timer_list blink_timer;
- struct i2c_client *hwmon_client, *ioexp_client;
+enum efx_led_mode {
+ EFX_LED_OFF = 0,
+ EFX_LED_ON = 1,
+ EFX_LED_DEFAULT = 2
};
-#define STRING_TABLE_LOOKUP(val, member) \
- member ## _names[val]
+#define STRING_TABLE_LOOKUP(val, member) \
+ ((val) < member ## _max) ? member ## _names[val] : "(invalid)"
+
+extern const char *efx_loopback_mode_names[];
+extern const unsigned int efx_loopback_mode_max;
+#define LOOPBACK_MODE(efx) \
+ STRING_TABLE_LOOKUP((efx)->loopback_mode, efx_loopback_mode)
+
+extern const char *efx_interrupt_mode_names[];
+extern const unsigned int efx_interrupt_mode_max;
+#define INT_MODE(efx) \
+ STRING_TABLE_LOOKUP(efx->interrupt_mode, efx_interrupt_mode)
+
+extern const char *efx_reset_type_names[];
+extern const unsigned int efx_reset_type_max;
+#define RESET_TYPE(type) \
+ STRING_TABLE_LOOKUP(type, efx_reset_type)
enum efx_int_mode {
/* Be careful if altering to correct macro below */
};
#define EFX_INT_MODE_USE_MSI(x) (((x)->interrupt_mode) <= EFX_INT_MODE_MSI)
-enum phy_type {
- PHY_TYPE_NONE = 0,
- PHY_TYPE_TXC43128 = 1,
- PHY_TYPE_88E1111 = 2,
- PHY_TYPE_SFX7101 = 3,
- PHY_TYPE_QT2022C2 = 4,
- PHY_TYPE_PM8358 = 6,
- PHY_TYPE_SFT9001A = 8,
- PHY_TYPE_QT2025C = 9,
- PHY_TYPE_SFT9001B = 10,
- PHY_TYPE_MAX /* Insert any new items before this */
-};
-
-#define EFX_IS10G(efx) ((efx)->link_speed == 10000)
+#define EFX_IS10G(efx) ((efx)->link_state.speed == 10000)
enum nic_state {
STATE_INIT = 0,
EFX_FC_AUTO = 4,
};
-/* Supported MAC bit-mask */
-enum efx_mac_type {
- EFX_GMAC = 1,
- EFX_XMAC = 2,
+/**
+ * struct efx_link_state - Current state of the link
+ * @up: Link is up
+ * @fd: Link is full-duplex
+ * @fc: Actual flow control flags
+ * @speed: Link speed (Mbps)
+ */
+struct efx_link_state {
+ bool up;
+ bool fd;
+ enum efx_fc_type fc;
+ unsigned int speed;
};
-static inline enum efx_fc_type efx_fc_resolve(enum efx_fc_type wanted_fc,
- unsigned int lpa)
+static inline bool efx_link_state_equal(const struct efx_link_state *left,
+ const struct efx_link_state *right)
{
- BUILD_BUG_ON(EFX_FC_AUTO & (EFX_FC_RX | EFX_FC_TX));
-
- if (!(wanted_fc & EFX_FC_AUTO))
- return wanted_fc;
-
- return mii_resolve_flowctrl_fdx(mii_advertise_flowctrl(wanted_fc), lpa);
+ return left->up == right->up && left->fd == right->fd &&
+ left->fc == right->fc && left->speed == right->speed;
}
/**
* struct efx_mac_operations - Efx MAC operations table
* @reconfigure: Reconfigure MAC. Serialised by the mac_lock
* @update_stats: Update statistics
- * @irq: Hardware MAC event callback. Serialised by the mac_lock
- * @poll: Poll for hardware state. Serialised by the mac_lock
+ * @check_fault: Check fault state. True if fault present.
*/
struct efx_mac_operations {
- void (*reconfigure) (struct efx_nic *efx);
+ int (*reconfigure) (struct efx_nic *efx);
void (*update_stats) (struct efx_nic *efx);
- void (*irq) (struct efx_nic *efx);
- void (*poll) (struct efx_nic *efx);
+ bool (*check_fault)(struct efx_nic *efx);
};
/**
* struct efx_phy_operations - Efx PHY operations table
+ * @probe: Probe PHY and initialise efx->mdio.mode_support, efx->mdio.mmds,
+ * efx->loopback_modes.
* @init: Initialise PHY
* @fini: Shut down PHY
* @reconfigure: Reconfigure PHY (e.g. for new link parameters)
- * @clear_interrupt: Clear down interrupt
- * @poll: Poll for hardware state. Serialised by the mac_lock.
+ * @poll: Update @link_state and report whether it changed.
+ * Serialised by the mac_lock.
* @get_settings: Get ethtool settings. Serialised by the mac_lock.
* @set_settings: Set ethtool settings. Serialised by the mac_lock.
* @set_npage_adv: Set abilities advertised in (Extended) Next Page
* (only needed where AN bit is set in mmds)
- * @num_tests: Number of PHY-specific tests/results
- * @test_names: Names of the tests/results
- * @run_tests: Run tests and record results as appropriate.
+ * @test_alive: Test that PHY is 'alive' (online)
+ * @test_name: Get the name of a PHY-specific test/result
+ * @run_tests: Run tests and record results as appropriate (offline).
* Flags are the ethtool tests flags.
- * @mmds: MMD presence mask
- * @loopbacks: Supported loopback modes mask
*/
struct efx_phy_operations {
- enum efx_mac_type macs;
+ int (*probe) (struct efx_nic *efx);
int (*init) (struct efx_nic *efx);
void (*fini) (struct efx_nic *efx);
- void (*reconfigure) (struct efx_nic *efx);
- void (*clear_interrupt) (struct efx_nic *efx);
- void (*poll) (struct efx_nic *efx);
+ void (*remove) (struct efx_nic *efx);
+ int (*reconfigure) (struct efx_nic *efx);
+ bool (*poll) (struct efx_nic *efx);
void (*get_settings) (struct efx_nic *efx,
struct ethtool_cmd *ecmd);
int (*set_settings) (struct efx_nic *efx,
struct ethtool_cmd *ecmd);
void (*set_npage_adv) (struct efx_nic *efx, u32);
- u32 num_tests;
- const char *const *test_names;
+ int (*test_alive) (struct efx_nic *efx);
+ const char *(*test_name) (struct efx_nic *efx, unsigned int index);
int (*run_tests) (struct efx_nic *efx, int *results, unsigned flags);
- int mmds;
- unsigned loopbacks;
};
/**
* @interrupt_mode: Interrupt mode
* @irq_rx_adaptive: Adaptive IRQ moderation enabled for RX event queues
* @irq_rx_moderation: IRQ moderation time for RX event queues
- * @i2c_adap: I2C adapter
- * @board_info: Board-level information
* @state: Device state flag. Serialised by the rtnl_lock.
* @reset_pending: Pending reset method (normally RESET_TYPE_NONE)
* @tx_queue: TX DMA queues
* @irq_status: Interrupt status buffer
* @last_irq_cpu: Last CPU to handle interrupt.
* This register is written with the SMP processor ID whenever an
- * interrupt is handled. It is used by falcon_test_interrupt()
+ * interrupt is handled. It is used by efx_nic_test_interrupt()
* to verify that an interrupt has occurred.
* @spi_flash: SPI flash device
- * This field will be %NULL if no flash device is present.
+ * This field will be %NULL if no flash device is present (or for Siena).
* @spi_eeprom: SPI EEPROM device
- * This field will be %NULL if no EEPROM device is present.
+ * This field will be %NULL if no EEPROM device is present (or for Siena).
* @spi_lock: SPI bus lock
+ * @mtd_list: List of MTDs attached to the NIC
* @n_rx_nodesc_drop_cnt: RX no descriptor drop count
* @nic_data: Hardware dependant state
* @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode,
* @port_inhibited, efx_monitor() and efx_reconfigure_port()
* @port_enabled: Port enabled indicator.
- * Serialises efx_stop_all(), efx_start_all(), efx_monitor(),
- * efx_phy_work(), and efx_mac_work() with kernel interfaces. Safe to read
- * under any one of the rtnl_lock, mac_lock, or netif_tx_lock, but all
- * three must be held to modify it.
+ * Serialises efx_stop_all(), efx_start_all(), efx_monitor() and
+ * efx_mac_work() with kernel interfaces. Safe to read under any
+ * one of the rtnl_lock, mac_lock, or netif_tx_lock, but all three must
+ * be held to modify it.
* @port_inhibited: If set, the netif_carrier is always off. Hold the mac_lock
* @port_initialized: Port initialized?
* @net_dev: Operating system network device. Consider holding the rtnl lock
* &struct net_device_stats.
* @stats_buffer: DMA buffer for statistics
* @stats_lock: Statistics update lock. Serialises statistics fetches
- * @stats_disable_count: Nest count for disabling statistics fetches
* @mac_op: MAC interface
* @mac_address: Permanent MAC address
* @phy_type: PHY type
- * @phy_lock: PHY access lock
+ * @mdio_lock: MDIO lock
* @phy_op: PHY interface
* @phy_data: PHY private data (including PHY-specific stats)
* @mdio: PHY MDIO interface
+ * @mdio_bus: PHY MDIO bus ID (only used by Siena)
* @phy_mode: PHY operating mode. Serialised by @mac_lock.
- * @mac_up: MAC link state
- * @link_up: Link status
- * @link_fd: Link is full duplex
- * @link_fc: Actualy flow control flags
- * @link_speed: Link speed (Mbps)
+ * @xmac_poll_required: XMAC link state needs polling
+ * @link_advertising: Autonegotiation advertising flags
+ * @link_state: Current state of the link
* @n_link_state_changes: Number of times the link has changed state
* @promiscuous: Promiscuous flag. Protected by netif_tx_lock.
* @multicast_hash: Multicast hash table
* @wanted_fc: Wanted flow control flags
- * @phy_work: work item for dealing with PHY events
- * @mac_work: work item for dealing with MAC events
+ * @mac_work: Work item for changing MAC promiscuity and multicast hash
* @loopback_mode: Loopback status
* @loopback_modes: Supported loopback mode bitmask
* @loopback_selftest: Offline self-test private state
*
- * The @priv field of the corresponding &struct net_device points to
- * this.
+ * This is stored in the private area of the &struct net_device.
*/
struct efx_nic {
char name[IFNAMSIZ];
bool irq_rx_adaptive;
unsigned int irq_rx_moderation;
- struct i2c_adapter i2c_adap;
- struct efx_board board_info;
-
enum nic_state state;
enum reset_type reset_pending;
struct efx_buffer irq_status;
volatile signed int last_irq_cpu;
+ unsigned long irq_zero_count;
struct efx_spi_device *spi_flash;
struct efx_spi_device *spi_eeprom;
struct mutex spi_lock;
+#ifdef CONFIG_SFC_MTD
+ struct list_head mtd_list;
+#endif
unsigned n_rx_nodesc_drop_cnt;
- struct falcon_nic_data *nic_data;
+ void *nic_data;
struct mutex mac_lock;
struct work_struct mac_work;
struct efx_mac_stats mac_stats;
struct efx_buffer stats_buffer;
spinlock_t stats_lock;
- unsigned int stats_disable_count;
struct efx_mac_operations *mac_op;
unsigned char mac_address[ETH_ALEN];
- enum phy_type phy_type;
- spinlock_t phy_lock;
- struct work_struct phy_work;
+ unsigned int phy_type;
+ struct mutex mdio_lock;
struct efx_phy_operations *phy_op;
void *phy_data;
struct mdio_if_info mdio;
+ unsigned int mdio_bus;
enum efx_phy_mode phy_mode;
- bool mac_up;
- bool link_up;
- bool link_fd;
- enum efx_fc_type link_fc;
- unsigned int link_speed;
+ bool xmac_poll_required;
+ u32 link_advertising;
+ struct efx_link_state link_state;
unsigned int n_link_state_changes;
bool promiscuous;
atomic_t rx_reset;
enum efx_loopback_mode loopback_mode;
- unsigned int loopback_modes;
+ u64 loopback_modes;
void *loopback_selftest;
};
return efx_dev_registered(efx) ? efx->name : "";
}
+static inline unsigned int efx_port_num(struct efx_nic *efx)
+{
+ return PCI_FUNC(efx->pci_dev->devfn);
+}
+
/**
* struct efx_nic_type - Efx device type definition
- * @mem_bar: Memory BAR number
+ * @probe: Probe the controller
+ * @remove: Free resources allocated by probe()
+ * @init: Initialise the controller
+ * @fini: Shut down the controller
+ * @monitor: Periodic function for polling link state and hardware monitor
+ * @reset: Reset the controller hardware and possibly the PHY. This will
+ * be called while the controller is uninitialised.
+ * @probe_port: Probe the MAC and PHY
+ * @remove_port: Free resources allocated by probe_port()
+ * @prepare_flush: Prepare the hardware for flushing the DMA queues
+ * @update_stats: Update statistics not provided by event handling
+ * @start_stats: Start the regular fetching of statistics
+ * @stop_stats: Stop the regular fetching of statistics
+ * @set_id_led: Set state of identifying LED or revert to automatic function
+ * @push_irq_moderation: Apply interrupt moderation value
+ * @push_multicast_hash: Apply multicast hash table
+ * @reconfigure_port: Push loopback/power/txdis changes to the MAC and PHY
+ * @get_wol: Get WoL configuration from driver state
+ * @set_wol: Push WoL configuration to the NIC
+ * @resume_wol: Synchronise WoL state between driver and MC (e.g. after resume)
+ * @test_registers: Test read/write functionality of control registers
+ * @test_nvram: Test validity of NVRAM contents
+ * @default_mac_ops: efx_mac_operations to set at startup
+ * @revision: Hardware architecture revision
* @mem_map_size: Memory BAR mapped size
* @txd_ptr_tbl_base: TX descriptor ring base address
* @rxd_ptr_tbl_base: RX descriptor ring base address
* from &enum efx_init_mode.
* @phys_addr_channels: Number of channels with physically addressed
* descriptors
+ * @tx_dc_base: Base address in SRAM of TX queue descriptor caches
+ * @rx_dc_base: Base address in SRAM of RX queue descriptor caches
+ * @offload_features: net_device feature flags for protocol offload
+ * features implemented in hardware
+ * @reset_world_flags: Flags for additional components covered by
+ * reset method RESET_TYPE_WORLD
*/
struct efx_nic_type {
- unsigned int mem_bar;
+ int (*probe)(struct efx_nic *efx);
+ void (*remove)(struct efx_nic *efx);
+ int (*init)(struct efx_nic *efx);
+ void (*fini)(struct efx_nic *efx);
+ void (*monitor)(struct efx_nic *efx);
+ int (*reset)(struct efx_nic *efx, enum reset_type method);
+ int (*probe_port)(struct efx_nic *efx);
+ void (*remove_port)(struct efx_nic *efx);
+ void (*prepare_flush)(struct efx_nic *efx);
+ void (*update_stats)(struct efx_nic *efx);
+ void (*start_stats)(struct efx_nic *efx);
+ void (*stop_stats)(struct efx_nic *efx);
+ void (*set_id_led)(struct efx_nic *efx, enum efx_led_mode mode);
+ void (*push_irq_moderation)(struct efx_channel *channel);
+ void (*push_multicast_hash)(struct efx_nic *efx);
+ int (*reconfigure_port)(struct efx_nic *efx);
+ void (*get_wol)(struct efx_nic *efx, struct ethtool_wolinfo *wol);
+ int (*set_wol)(struct efx_nic *efx, u32 type);
+ void (*resume_wol)(struct efx_nic *efx);
+ int (*test_registers)(struct efx_nic *efx);
+ int (*test_nvram)(struct efx_nic *efx);
+ struct efx_mac_operations *default_mac_ops;
+
+ int revision;
unsigned int mem_map_size;
unsigned int txd_ptr_tbl_base;
unsigned int rxd_ptr_tbl_base;
unsigned int buf_tbl_base;
unsigned int evq_ptr_tbl_base;
unsigned int evq_rptr_tbl_base;
-
u64 max_dma_mask;
-
unsigned int rx_buffer_padding;
unsigned int max_interrupt_mode;
unsigned int phys_addr_channels;
+ unsigned int tx_dc_base;
+ unsigned int rx_dc_base;
+ unsigned long offload_features;
+ u32 reset_world_flags;
};
/**************************************************************************
* that the net driver will program into the MAC as the maximum frame
* length.
*
- * The 10G MAC used in Falcon requires 8-byte alignment on the frame
+ * The 10G MAC requires 8-byte alignment on the frame
* length, so we round up to the nearest 8.
*
* Re-clocking by the XGXS on RX can reduce an IPG to 32 bits (half an
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff