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path: root/drivers/net/ethernet/sfc/net_driver.h
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Diffstat (limited to 'drivers/net/ethernet/sfc/net_driver.h')
-rw-r--r--drivers/net/ethernet/sfc/net_driver.h325
1 files changed, 190 insertions, 135 deletions
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index c49502bab6a3..f0385e1fb2d8 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -13,10 +13,6 @@
#ifndef EFX_NET_DRIVER_H
#define EFX_NET_DRIVER_H
-#if defined(EFX_ENABLE_DEBUG) && !defined(DEBUG)
-#define DEBUG
-#endif
-
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
@@ -28,6 +24,7 @@
#include <linux/device.h>
#include <linux/highmem.h>
#include <linux/workqueue.h>
+#include <linux/mutex.h>
#include <linux/vmalloc.h>
#include <linux/i2c.h>
@@ -42,7 +39,7 @@
#define EFX_DRIVER_VERSION "3.1"
-#ifdef EFX_ENABLE_DEBUG
+#ifdef DEBUG
#define EFX_BUG_ON_PARANOID(x) BUG_ON(x)
#define EFX_WARN_ON_PARANOID(x) WARN_ON(x)
#else
@@ -56,8 +53,10 @@
*
**************************************************************************/
-#define EFX_MAX_CHANNELS 32
+#define EFX_MAX_CHANNELS 32U
#define EFX_MAX_RX_QUEUES EFX_MAX_CHANNELS
+#define EFX_EXTRA_CHANNEL_IOV 0
+#define EFX_MAX_EXTRA_CHANNELS 1U
/* Checksum generation is a per-queue option in hardware, so each
* queue visible to the networking core is backed by two hardware TX
@@ -85,15 +84,8 @@ struct efx_special_buffer {
void *addr;
dma_addr_t dma_addr;
unsigned int len;
- int index;
- int entries;
-};
-
-enum efx_flush_state {
- FLUSH_NONE,
- FLUSH_PENDING,
- FLUSH_FAILED,
- FLUSH_DONE,
+ unsigned int index;
+ unsigned int entries;
};
/**
@@ -142,7 +134,6 @@ struct efx_tx_buffer {
* @txd: The hardware descriptor ring
* @ptr_mask: The size of the ring minus 1.
* @initialised: Has hardware queue been initialised?
- * @flushed: Used when handling queue flushing
* @read_count: Current read pointer.
* This is the number of buffers that have been removed from both rings.
* @old_write_count: The value of @write_count when last checked.
@@ -185,7 +176,6 @@ struct efx_tx_queue {
struct efx_special_buffer txd;
unsigned int ptr_mask;
bool initialised;
- enum efx_flush_state flushed;
/* Members used mainly on the completion path */
unsigned int read_count ____cacheline_aligned_in_smp;
@@ -209,12 +199,12 @@ struct efx_tx_queue {
/**
* struct efx_rx_buffer - An Efx RX data buffer
* @dma_addr: DMA base address of the buffer
- * @skb: The associated socket buffer, if any.
- * If both this and page are %NULL, the buffer slot is currently free.
- * @page: The associated page buffer, if any.
- * If both this and skb are %NULL, the buffer slot is currently free.
+ * @skb: The associated socket buffer. Valid iff !(@flags & %EFX_RX_BUF_PAGE).
+ * Will be %NULL if the buffer slot is currently free.
+ * @page: The associated page buffer. Valif iff @flags & %EFX_RX_BUF_PAGE.
+ * Will be %NULL if the buffer slot is currently free.
* @len: Buffer length, in bytes.
- * @is_page: Indicates if @page is valid. If false, @skb is valid.
+ * @flags: Flags for buffer and packet state.
*/
struct efx_rx_buffer {
dma_addr_t dma_addr;
@@ -223,8 +213,11 @@ struct efx_rx_buffer {
struct page *page;
} u;
unsigned int len;
- bool is_page;
+ u16 flags;
};
+#define EFX_RX_BUF_PAGE 0x0001
+#define EFX_RX_PKT_CSUMMED 0x0002
+#define EFX_RX_PKT_DISCARD 0x0004
/**
* struct efx_rx_page_state - Page-based rx buffer state
@@ -250,6 +243,9 @@ struct efx_rx_page_state {
* @buffer: The software buffer ring
* @rxd: The hardware descriptor ring
* @ptr_mask: The size of the ring minus 1.
+ * @enabled: Receive queue enabled indicator.
+ * @flush_pending: Set when a RX flush is pending. Has the same lifetime as
+ * @rxq_flush_pending.
* @added_count: Number of buffers added to the receive queue.
* @notified_count: Number of buffers given to NIC (<= @added_count).
* @removed_count: Number of buffers removed from the receive queue.
@@ -264,13 +260,14 @@ struct efx_rx_page_state {
* @alloc_page_count: RX allocation strategy counter.
* @alloc_skb_count: RX allocation strategy counter.
* @slow_fill: Timer used to defer efx_nic_generate_fill_event().
- * @flushed: Use when handling queue flushing
*/
struct efx_rx_queue {
struct efx_nic *efx;
struct efx_rx_buffer *buffer;
struct efx_special_buffer rxd;
unsigned int ptr_mask;
+ bool enabled;
+ bool flush_pending;
int added_count;
int notified_count;
@@ -284,8 +281,6 @@ struct efx_rx_queue {
unsigned int alloc_skb_count;
struct timer_list slow_fill;
unsigned int slow_fill_count;
-
- enum efx_flush_state flushed;
};
/**
@@ -319,6 +314,7 @@ enum efx_rx_alloc_method {
*
* @efx: Associated Efx NIC
* @channel: Channel instance number
+ * @type: Channel type definition
* @enabled: Channel enabled indicator
* @irq: IRQ number (MSI and MSI-X only)
* @irq_moderation: IRQ moderation value (in hardware ticks)
@@ -328,7 +324,7 @@ enum efx_rx_alloc_method {
* @eventq: Event queue buffer
* @eventq_mask: Event queue pointer mask
* @eventq_read_ptr: Event queue read pointer
- * @last_eventq_read_ptr: Last event queue read pointer value.
+ * @event_test_cpu: Last CPU to handle interrupt or test event for this channel
* @irq_count: Number of IRQs since last adaptive moderation decision
* @irq_mod_score: IRQ moderation score
* @rx_alloc_level: Watermark based heuristic counter for pushing descriptors
@@ -348,6 +344,7 @@ enum efx_rx_alloc_method {
struct efx_channel {
struct efx_nic *efx;
int channel;
+ const struct efx_channel_type *type;
bool enabled;
int irq;
unsigned int irq_moderation;
@@ -357,7 +354,7 @@ struct efx_channel {
struct efx_special_buffer eventq;
unsigned int eventq_mask;
unsigned int eventq_read_ptr;
- unsigned int last_eventq_read_ptr;
+ int event_test_cpu;
unsigned int irq_count;
unsigned int irq_mod_score;
@@ -380,12 +377,31 @@ struct efx_channel {
* access with prefetches.
*/
struct efx_rx_buffer *rx_pkt;
- bool rx_pkt_csummed;
struct efx_rx_queue rx_queue;
struct efx_tx_queue tx_queue[EFX_TXQ_TYPES];
};
+/**
+ * struct efx_channel_type - distinguishes traffic and extra channels
+ * @handle_no_channel: Handle failure to allocate an extra channel
+ * @pre_probe: Set up extra state prior to initialisation
+ * @post_remove: Tear down extra state after finalisation, if allocated.
+ * May be called on channels that have not been probed.
+ * @get_name: Generate the channel's name (used for its IRQ handler)
+ * @copy: Copy the channel state prior to reallocation. May be %NULL if
+ * reallocation is not supported.
+ * @keep_eventq: Flag for whether event queue should be kept initialised
+ * while the device is stopped
+ */
+struct efx_channel_type {
+ void (*handle_no_channel)(struct efx_nic *);
+ int (*pre_probe)(struct efx_channel *);
+ void (*get_name)(struct efx_channel *, char *buf, size_t len);
+ struct efx_channel *(*copy)(const struct efx_channel *);
+ bool keep_eventq;
+};
+
enum efx_led_mode {
EFX_LED_OFF = 0,
EFX_LED_ON = 1,
@@ -395,12 +411,12 @@ enum efx_led_mode {
#define STRING_TABLE_LOOKUP(val, member) \
((val) < member ## _max) ? member ## _names[val] : "(invalid)"
-extern const char *efx_loopback_mode_names[];
+extern const char *const 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_reset_type_names[];
+extern const char *const efx_reset_type_names[];
extern const unsigned int efx_reset_type_max;
#define RESET_TYPE(type) \
STRING_TABLE_LOOKUP(type, efx_reset_type)
@@ -474,18 +490,6 @@ static inline bool efx_link_state_equal(const struct efx_link_state *left,
}
/**
- * struct efx_mac_operations - Efx MAC operations table
- * @reconfigure: Reconfigure MAC. Serialised by the mac_lock
- * @update_stats: Update statistics
- * @check_fault: Check fault state. True if fault present.
- */
-struct efx_mac_operations {
- int (*reconfigure) (struct efx_nic *efx);
- void (*update_stats) (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.
@@ -552,64 +556,64 @@ struct efx_mac_stats {
u64 tx_bytes;
u64 tx_good_bytes;
u64 tx_bad_bytes;
- unsigned long tx_packets;
- unsigned long tx_bad;
- unsigned long tx_pause;
- unsigned long tx_control;
- unsigned long tx_unicast;
- unsigned long tx_multicast;
- unsigned long tx_broadcast;
- unsigned long tx_lt64;
- unsigned long tx_64;
- unsigned long tx_65_to_127;
- unsigned long tx_128_to_255;
- unsigned long tx_256_to_511;
- unsigned long tx_512_to_1023;
- unsigned long tx_1024_to_15xx;
- unsigned long tx_15xx_to_jumbo;
- unsigned long tx_gtjumbo;
- unsigned long tx_collision;
- unsigned long tx_single_collision;
- unsigned long tx_multiple_collision;
- unsigned long tx_excessive_collision;
- unsigned long tx_deferred;
- unsigned long tx_late_collision;
- unsigned long tx_excessive_deferred;
- unsigned long tx_non_tcpudp;
- unsigned long tx_mac_src_error;
- unsigned long tx_ip_src_error;
+ u64 tx_packets;
+ u64 tx_bad;
+ u64 tx_pause;
+ u64 tx_control;
+ u64 tx_unicast;
+ u64 tx_multicast;
+ u64 tx_broadcast;
+ u64 tx_lt64;
+ u64 tx_64;
+ u64 tx_65_to_127;
+ u64 tx_128_to_255;
+ u64 tx_256_to_511;
+ u64 tx_512_to_1023;
+ u64 tx_1024_to_15xx;
+ u64 tx_15xx_to_jumbo;
+ u64 tx_gtjumbo;
+ u64 tx_collision;
+ u64 tx_single_collision;
+ u64 tx_multiple_collision;
+ u64 tx_excessive_collision;
+ u64 tx_deferred;
+ u64 tx_late_collision;
+ u64 tx_excessive_deferred;
+ u64 tx_non_tcpudp;
+ u64 tx_mac_src_error;
+ u64 tx_ip_src_error;
u64 rx_bytes;
u64 rx_good_bytes;
u64 rx_bad_bytes;
- unsigned long rx_packets;
- unsigned long rx_good;
- unsigned long rx_bad;
- unsigned long rx_pause;
- unsigned long rx_control;
- unsigned long rx_unicast;
- unsigned long rx_multicast;
- unsigned long rx_broadcast;
- unsigned long rx_lt64;
- unsigned long rx_64;
- unsigned long rx_65_to_127;
- unsigned long rx_128_to_255;
- unsigned long rx_256_to_511;
- unsigned long rx_512_to_1023;
- unsigned long rx_1024_to_15xx;
- unsigned long rx_15xx_to_jumbo;
- unsigned long rx_gtjumbo;
- unsigned long rx_bad_lt64;
- unsigned long rx_bad_64_to_15xx;
- unsigned long rx_bad_15xx_to_jumbo;
- unsigned long rx_bad_gtjumbo;
- unsigned long rx_overflow;
- unsigned long rx_missed;
- unsigned long rx_false_carrier;
- unsigned long rx_symbol_error;
- unsigned long rx_align_error;
- unsigned long rx_length_error;
- unsigned long rx_internal_error;
- unsigned long rx_good_lt64;
+ u64 rx_packets;
+ u64 rx_good;
+ u64 rx_bad;
+ u64 rx_pause;
+ u64 rx_control;
+ u64 rx_unicast;
+ u64 rx_multicast;
+ u64 rx_broadcast;
+ u64 rx_lt64;
+ u64 rx_64;
+ u64 rx_65_to_127;
+ u64 rx_128_to_255;
+ u64 rx_256_to_511;
+ u64 rx_512_to_1023;
+ u64 rx_1024_to_15xx;
+ u64 rx_15xx_to_jumbo;
+ u64 rx_gtjumbo;
+ u64 rx_bad_lt64;
+ u64 rx_bad_64_to_15xx;
+ u64 rx_bad_15xx_to_jumbo;
+ u64 rx_bad_gtjumbo;
+ u64 rx_overflow;
+ u64 rx_missed;
+ u64 rx_false_carrier;
+ u64 rx_symbol_error;
+ u64 rx_align_error;
+ u64 rx_length_error;
+ u64 rx_internal_error;
+ u64 rx_good_lt64;
};
/* Number of bits used in a multicast filter hash address */
@@ -625,6 +629,8 @@ union efx_multicast_hash {
};
struct efx_filter_state;
+struct efx_vf;
+struct vfdi_status;
/**
* struct efx_nic - an Efx NIC
@@ -640,6 +646,7 @@ struct efx_filter_state;
* @membase_phys: Memory BAR value as physical address
* @membase: Memory BAR value
* @interrupt_mode: Interrupt mode
+ * @timer_quantum_ns: Interrupt timer quantum, in nanoseconds
* @irq_rx_adaptive: Adaptive IRQ moderation enabled for RX event queues
* @irq_rx_moderation: IRQ moderation time for RX event queues
* @msg_enable: Log message enable flags
@@ -649,8 +656,13 @@ struct efx_filter_state;
* @rx_queue: RX DMA queues
* @channel: Channels
* @channel_name: Names for channels and their IRQs
+ * @extra_channel_types: Types of extra (non-traffic) channels that
+ * should be allocated for this NIC
* @rxq_entries: Size of receive queues requested by user.
* @txq_entries: Size of transmit queues requested by user.
+ * @tx_dc_base: Base qword address in SRAM of TX queue descriptor caches
+ * @rx_dc_base: Base qword address in SRAM of RX queue descriptor caches
+ * @sram_lim_qw: Qword address limit of SRAM
* @next_buffer_table: First available buffer table id
* @n_channels: Number of channels in use
* @n_rx_channels: Number of channels used for RX (= number of RX queues)
@@ -663,7 +675,8 @@ struct efx_filter_state;
* @int_error_expire: Time at which error count will be expired
* @irq_status: Interrupt status buffer
* @irq_zero_count: Number of legacy IRQs seen with queue flags == 0
- * @fatal_irq_level: IRQ level (bit number) used for serious errors
+ * @irq_level: IRQ level/index for IRQs not triggered by an event queue
+ * @selftest_work: Work item for asynchronous self-test
* @mtd_list: List of MTDs attached to the NIC
* @nic_data: Hardware dependent state
* @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode,
@@ -676,7 +689,6 @@ struct efx_filter_state;
* @port_initialized: Port initialized?
* @net_dev: Operating system network device. Consider holding the rtnl lock
* @stats_buffer: DMA buffer for statistics
- * @mac_op: MAC interface
* @phy_type: PHY type
* @phy_op: PHY interface
* @phy_data: PHY private data (including PHY-specific stats)
@@ -689,21 +701,42 @@ struct efx_filter_state;
* @promiscuous: Promiscuous flag. Protected by netif_tx_lock.
* @multicast_hash: Multicast hash table
* @wanted_fc: Wanted flow control flags
+ * @fc_disable: When non-zero flow control is disabled. Typically used to
+ * ensure that network back pressure doesn't delay dma queue flushes.
+ * Serialised by the rtnl lock.
* @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
+ * @drain_pending: Count of RX and TX queues that haven't been flushed and drained.
+ * @rxq_flush_pending: Count of number of receive queues that need to be flushed.
+ * Decremented when the efx_flush_rx_queue() is called.
+ * @rxq_flush_outstanding: Count of number of RX flushes started but not yet
+ * completed (either success or failure). Not used when MCDI is used to
+ * flush receive queues.
+ * @flush_wq: wait queue used by efx_nic_flush_queues() to wait for flush completions.
+ * @vf: Array of &struct efx_vf objects.
+ * @vf_count: Number of VFs intended to be enabled.
+ * @vf_init_count: Number of VFs that have been fully initialised.
+ * @vi_scale: log2 number of vnics per VF.
+ * @vf_buftbl_base: The zeroth buffer table index used to back VF queues.
+ * @vfdi_status: Common VFDI status page to be dmad to VF address space.
+ * @local_addr_list: List of local addresses. Protected by %local_lock.
+ * @local_page_list: List of DMA addressable pages used to broadcast
+ * %local_addr_list. Protected by %local_lock.
+ * @local_lock: Mutex protecting %local_addr_list and %local_page_list.
+ * @peer_work: Work item to broadcast peer addresses to VMs.
* @monitor_work: Hardware monitor workitem
* @biu_lock: BIU (bus interface unit) lock
- * @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 efx_nic_test_interrupt()
- * to verify that an interrupt has occurred.
+ * @last_irq_cpu: Last CPU to handle a possible test interrupt. This
+ * field is used by efx_test_interrupts() to verify that an
+ * interrupt has occurred.
* @n_rx_nodesc_drop_cnt: RX no descriptor drop count
* @mac_stats: MAC statistics. These include all statistics the MACs
* can provide. Generic code converts these into a standard
* &struct net_device_stats.
* @stats_lock: Statistics update lock. Serialises statistics fetches
+ * and access to @mac_stats.
*
* This is stored in the private area of the &struct net_device.
*/
@@ -722,6 +755,7 @@ struct efx_nic {
void __iomem *membase;
enum efx_int_mode interrupt_mode;
+ unsigned int timer_quantum_ns;
bool irq_rx_adaptive;
unsigned int irq_rx_moderation;
u32 msg_enable;
@@ -731,12 +765,18 @@ struct efx_nic {
struct efx_channel *channel[EFX_MAX_CHANNELS];
char channel_name[EFX_MAX_CHANNELS][IFNAMSIZ + 6];
+ const struct efx_channel_type *
+ extra_channel_type[EFX_MAX_EXTRA_CHANNELS];
unsigned rxq_entries;
unsigned txq_entries;
+ unsigned tx_dc_base;
+ unsigned rx_dc_base;
+ unsigned sram_lim_qw;
unsigned next_buffer_table;
unsigned n_channels;
unsigned n_rx_channels;
+ unsigned rss_spread;
unsigned tx_channel_offset;
unsigned n_tx_channels;
unsigned int rx_buffer_len;
@@ -749,7 +789,8 @@ struct efx_nic {
struct efx_buffer irq_status;
unsigned irq_zero_count;
- unsigned fatal_irq_level;
+ unsigned irq_level;
+ struct delayed_work selftest_work;
#ifdef CONFIG_SFC_MTD
struct list_head mtd_list;
@@ -766,8 +807,6 @@ struct efx_nic {
struct efx_buffer stats_buffer;
- const struct efx_mac_operations *mac_op;
-
unsigned int phy_type;
const struct efx_phy_operations *phy_op;
void *phy_data;
@@ -782,6 +821,7 @@ struct efx_nic {
bool promiscuous;
union efx_multicast_hash multicast_hash;
u8 wanted_fc;
+ unsigned fc_disable;
atomic_t rx_reset;
enum efx_loopback_mode loopback_mode;
@@ -791,11 +831,30 @@ struct efx_nic {
struct efx_filter_state *filter_state;
+ atomic_t drain_pending;
+ atomic_t rxq_flush_pending;
+ atomic_t rxq_flush_outstanding;
+ wait_queue_head_t flush_wq;
+
+#ifdef CONFIG_SFC_SRIOV
+ struct efx_channel *vfdi_channel;
+ struct efx_vf *vf;
+ unsigned vf_count;
+ unsigned vf_init_count;
+ unsigned vi_scale;
+ unsigned vf_buftbl_base;
+ struct efx_buffer vfdi_status;
+ struct list_head local_addr_list;
+ struct list_head local_page_list;
+ struct mutex local_lock;
+ struct work_struct peer_work;
+#endif
+
/* The following fields may be written more often */
struct delayed_work monitor_work ____cacheline_aligned_in_smp;
spinlock_t biu_lock;
- volatile signed int last_irq_cpu;
+ int last_irq_cpu;
unsigned n_rx_nodesc_drop_cnt;
struct efx_mac_stats mac_stats;
spinlock_t stats_lock;
@@ -806,15 +865,6 @@ static inline int efx_dev_registered(struct efx_nic *efx)
return efx->net_dev->reg_state == NETREG_REGISTERED;
}
-/* Net device name, for inclusion in log messages if it has been registered.
- * Use efx->name not efx->net_dev->name so that races with (un)registration
- * are harmless.
- */
-static inline const char *efx_dev_name(struct efx_nic *efx)
-{
- return efx_dev_registered(efx) ? efx->name : "";
-}
-
static inline unsigned int efx_port_num(struct efx_nic *efx)
{
return efx->net_dev->dev_id;
@@ -825,6 +875,8 @@ static inline unsigned int efx_port_num(struct efx_nic *efx)
* @probe: Probe the controller
* @remove: Free resources allocated by probe()
* @init: Initialise the controller
+ * @dimension_resources: Dimension controller resources (buffer table,
+ * and VIs once the available interrupt resources are clear)
* @fini: Shut down the controller
* @monitor: Periodic function for polling link state and hardware monitor
* @map_reset_reason: Map ethtool reset reason to a reset method
@@ -840,14 +892,15 @@ static inline unsigned int efx_port_num(struct efx_nic *efx)
* @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
+ * @reconfigure_mac: Push MAC address, MTU, flow control and filter settings
+ * to the hardware. Serialised by the mac_lock.
+ * @check_mac_fault: Check MAC fault state. True if fault present.
* @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
@@ -862,8 +915,7 @@ static inline unsigned int efx_port_num(struct efx_nic *efx)
* 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
+ * @timer_period_max: Maximum period of interrupt timer (in ticks)
* @offload_features: net_device feature flags for protocol offload
* features implemented in hardware
*/
@@ -871,6 +923,7 @@ struct efx_nic_type {
int (*probe)(struct efx_nic *efx);
void (*remove)(struct efx_nic *efx);
int (*init)(struct efx_nic *efx);
+ void (*dimension_resources)(struct efx_nic *efx);
void (*fini)(struct efx_nic *efx);
void (*monitor)(struct efx_nic *efx);
enum reset_type (*map_reset_reason)(enum reset_type reason);
@@ -885,14 +938,14 @@ struct efx_nic_type {
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);
+ int (*reconfigure_mac)(struct efx_nic *efx);
+ bool (*check_mac_fault)(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);
- const struct efx_mac_operations *default_mac_ops;
int revision;
unsigned int mem_map_size;
@@ -906,8 +959,7 @@ struct efx_nic_type {
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 int timer_period_max;
netdev_features_t offload_features;
};
@@ -931,6 +983,13 @@ efx_get_channel(struct efx_nic *efx, unsigned index)
_channel = (_channel->channel + 1 < (_efx)->n_channels) ? \
(_efx)->channel[_channel->channel + 1] : NULL)
+/* Iterate over all used channels in reverse */
+#define efx_for_each_channel_rev(_channel, _efx) \
+ for (_channel = (_efx)->channel[(_efx)->n_channels - 1]; \
+ _channel; \
+ _channel = _channel->channel ? \
+ (_efx)->channel[_channel->channel - 1] : NULL)
+
static inline struct efx_tx_queue *
efx_get_tx_queue(struct efx_nic *efx, unsigned index, unsigned type)
{
@@ -971,16 +1030,12 @@ static inline bool efx_tx_queue_used(struct efx_tx_queue *tx_queue)
/* Iterate over all possible TX queues belonging to a channel */
#define efx_for_each_possible_channel_tx_queue(_tx_queue, _channel) \
- for (_tx_queue = (_channel)->tx_queue; \
- _tx_queue < (_channel)->tx_queue + EFX_TXQ_TYPES; \
- _tx_queue++)
-
-static inline struct efx_rx_queue *
-efx_get_rx_queue(struct efx_nic *efx, unsigned index)
-{
- EFX_BUG_ON_PARANOID(index >= efx->n_rx_channels);
- return &efx->channel[index]->rx_queue;
-}
+ if (!efx_channel_has_tx_queues(_channel)) \
+ ; \
+ else \
+ for (_tx_queue = (_channel)->tx_queue; \
+ _tx_queue < (_channel)->tx_queue + EFX_TXQ_TYPES; \
+ _tx_queue++)
static inline bool efx_channel_has_rx_queue(struct efx_channel *channel)
{