2008-04-27 19:55:59 +08:00
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/****************************************************************************
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* Driver for Solarflare Solarstorm network controllers and boards
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* Copyright 2005-2006 Fen Systems Ltd.
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2009-11-29 23:16:19 +08:00
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* Copyright 2006-2009 Solarflare Communications Inc.
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2008-04-27 19:55:59 +08:00
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation, incorporated herein by reference.
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*/
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#ifndef EFX_EFX_H
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#define EFX_EFX_H
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#include "net_driver.h"
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2010-09-20 16:43:07 +08:00
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#include "filter.h"
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2008-04-27 19:55:59 +08:00
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/* PCI IDs */
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#define EFX_VENDID_SFC 0x1924
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#define FALCON_A_P_DEVID 0x0703
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#define FALCON_A_S_DEVID 0x6703
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#define FALCON_B_P_DEVID 0x0710
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2009-11-29 23:15:41 +08:00
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#define BETHPAGE_A_P_DEVID 0x0803
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#define SIENA_A_P_DEVID 0x0813
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2008-04-27 19:55:59 +08:00
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2009-10-23 16:32:33 +08:00
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/* Solarstorm controllers use BAR 0 for I/O space and BAR 2(&3) for memory */
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#define EFX_MEM_BAR 2
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2008-04-27 19:55:59 +08:00
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/* TX */
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2009-11-24 00:07:30 +08:00
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extern int efx_probe_tx_queue(struct efx_tx_queue *tx_queue);
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extern void efx_remove_tx_queue(struct efx_tx_queue *tx_queue);
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extern void efx_init_tx_queue(struct efx_tx_queue *tx_queue);
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extern void efx_fini_tx_queue(struct efx_tx_queue *tx_queue);
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extern void efx_release_tx_buffers(struct efx_tx_queue *tx_queue);
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extern netdev_tx_t
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efx_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev);
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extern netdev_tx_t
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efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb);
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2009-10-23 16:31:54 +08:00
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extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
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2010-04-28 17:30:43 +08:00
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extern void efx_stop_queue(struct efx_channel *channel);
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extern void efx_wake_queue(struct efx_channel *channel);
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2008-04-27 19:55:59 +08:00
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/* RX */
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2009-11-24 00:07:30 +08:00
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extern int efx_probe_rx_queue(struct efx_rx_queue *rx_queue);
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extern void efx_remove_rx_queue(struct efx_rx_queue *rx_queue);
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extern void efx_init_rx_queue(struct efx_rx_queue *rx_queue);
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extern void efx_fini_rx_queue(struct efx_rx_queue *rx_queue);
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extern void efx_rx_strategy(struct efx_channel *channel);
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extern void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue);
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2010-06-01 19:19:39 +08:00
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extern void efx_rx_slow_fill(unsigned long context);
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2009-11-24 00:07:30 +08:00
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extern void __efx_rx_packet(struct efx_channel *channel,
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struct efx_rx_buffer *rx_buf, bool checksummed);
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2008-04-27 19:55:59 +08:00
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extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
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2008-09-01 19:46:50 +08:00
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unsigned int len, bool checksummed, bool discard);
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2010-06-01 19:19:39 +08:00
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extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue);
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2010-09-10 14:42:22 +08:00
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#define EFX_MAX_DMAQ_SIZE 4096UL
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#define EFX_DEFAULT_DMAQ_SIZE 1024UL
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#define EFX_MIN_DMAQ_SIZE 512UL
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#define EFX_MAX_EVQ_SIZE 16384UL
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#define EFX_MIN_EVQ_SIZE 512UL
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2008-04-27 19:55:59 +08:00
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2010-09-10 14:42:33 +08:00
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/* The smallest [rt]xq_entries that the driver supports. Callers of
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* efx_wake_queue() assume that they can subsequently send at least one
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* skb. Falcon/A1 may require up to three descriptors per skb_frag. */
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#define EFX_MIN_RING_SIZE (roundup_pow_of_two(2 * 3 * MAX_SKB_FRAGS))
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2010-09-20 16:43:07 +08:00
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/* Filters */
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extern int efx_probe_filters(struct efx_nic *efx);
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extern void efx_restore_filters(struct efx_nic *efx);
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extern void efx_remove_filters(struct efx_nic *efx);
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extern int efx_filter_insert_filter(struct efx_nic *efx,
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struct efx_filter_spec *spec,
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bool replace);
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extern int efx_filter_remove_filter(struct efx_nic *efx,
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struct efx_filter_spec *spec);
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extern void efx_filter_table_clear(struct efx_nic *efx,
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enum efx_filter_table_id table_id,
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enum efx_filter_priority priority);
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2008-04-27 19:55:59 +08:00
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/* Channels */
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extern void efx_process_channel_now(struct efx_channel *channel);
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2010-09-10 14:42:33 +08:00
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extern int
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efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries);
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2008-04-27 19:55:59 +08:00
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/* Ports */
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2009-11-29 11:42:41 +08:00
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extern int efx_reconfigure_port(struct efx_nic *efx);
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extern int __efx_reconfigure_port(struct efx_nic *efx);
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2008-09-01 19:49:02 +08:00
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2009-11-24 00:07:30 +08:00
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/* Ethtool support */
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extern const struct ethtool_ops efx_ethtool_ops;
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2008-09-01 19:49:02 +08:00
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/* Reset handling */
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2009-11-29 11:43:15 +08:00
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extern int efx_reset(struct efx_nic *efx, enum reset_type method);
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2009-11-29 11:42:41 +08:00
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extern void efx_reset_down(struct efx_nic *efx, enum reset_type method);
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extern int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
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2008-04-27 19:55:59 +08:00
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/* Global */
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extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
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extern void efx_init_irq_moderation(struct efx_nic *efx, int tx_usecs,
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2009-03-20 21:30:37 +08:00
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int rx_usecs, bool rx_adaptive);
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2008-04-27 19:55:59 +08:00
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/* Dummy PHY ops for PHY drivers */
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extern int efx_port_dummy_op_int(struct efx_nic *efx);
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extern void efx_port_dummy_op_void(struct efx_nic *efx);
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2010-10-18 13:27:31 +08:00
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2008-04-27 19:55:59 +08:00
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2008-11-05 04:34:28 +08:00
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/* MTD */
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#ifdef CONFIG_SFC_MTD
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extern int efx_mtd_probe(struct efx_nic *efx);
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extern void efx_mtd_rename(struct efx_nic *efx);
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extern void efx_mtd_remove(struct efx_nic *efx);
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#else
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static inline int efx_mtd_probe(struct efx_nic *efx) { return 0; }
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static inline void efx_mtd_rename(struct efx_nic *efx) {}
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static inline void efx_mtd_remove(struct efx_nic *efx) {}
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#endif
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2008-04-27 19:55:59 +08:00
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static inline void efx_schedule_channel(struct efx_channel *channel)
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{
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2010-06-23 19:30:07 +08:00
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netif_vdbg(channel->efx, intr, channel->efx->net_dev,
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"channel %d scheduling NAPI poll on CPU%d\n",
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channel->channel, raw_smp_processor_id());
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2008-09-01 19:46:50 +08:00
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channel->work_pending = true;
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2008-04-27 19:55:59 +08:00
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2009-01-20 08:43:59 +08:00
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napi_schedule(&channel->napi_str);
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2008-04-27 19:55:59 +08:00
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}
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2009-11-28 13:34:05 +08:00
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extern void efx_link_status_changed(struct efx_nic *efx);
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2009-11-29 11:42:41 +08:00
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extern void efx_link_set_advertising(struct efx_nic *efx, u32);
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extern void efx_link_set_wanted_fc(struct efx_nic *efx, enum efx_fc_type);
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2009-11-28 13:34:05 +08:00
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2008-04-27 19:55:59 +08:00
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#endif /* EFX_EFX_H */
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