text: /****************************************************************************
   * Driver for Solarflare Solarstorm network controllers and boards
   * Copyright 2005-2006 Fen Systems Ltd.
   * Copyright 2006-2009 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
   * by the Free Software Foundation, incorporated herein by reference.
   */
  
  #ifndef EFX_EFX_H
  #define EFX_EFX_H
  
  #include "net_driver.h"
  
  /* PCI IDs */
  #define EFX_VENDID_SFC	        0x1924
  #define FALCON_A_P_DEVID	0x0703
  #define FALCON_A_S_DEVID        0x6703
  #define FALCON_B_P_DEVID        0x0710
  #define BETHPAGE_A_P_DEVID      0x0803
  #define SIENA_A_P_DEVID         0x0813
  
  /* Solarstorm controllers use BAR 0 for I/O space and BAR 2(&3) for memory */
  #define EFX_MEM_BAR 2
  
  /* TX */
  extern int efx_probe_tx_queue(struct efx_tx_queue *tx_queue);
  extern void efx_remove_tx_queue(struct efx_tx_queue *tx_queue);
  extern void efx_init_tx_queue(struct efx_tx_queue *tx_queue);
  extern void efx_fini_tx_queue(struct efx_tx_queue *tx_queue);
  extern void efx_release_tx_buffers(struct efx_tx_queue *tx_queue);
  extern netdev_tx_t
  efx_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev);
  extern netdev_tx_t
  efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb);
  extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
  extern void efx_stop_queue(struct efx_channel *channel);
  extern void efx_wake_queue(struct efx_channel *channel);
  #define EFX_TXQ_SIZE 1024
  #define EFX_TXQ_MASK (EFX_TXQ_SIZE - 1)
  
  /* RX */
  extern int efx_probe_rx_queue(struct efx_rx_queue *rx_queue);
  extern void efx_remove_rx_queue(struct efx_rx_queue *rx_queue);
  extern void efx_init_rx_queue(struct efx_rx_queue *rx_queue);
  extern void efx_fini_rx_queue(struct efx_rx_queue *rx_queue);
  extern void efx_rx_strategy(struct efx_channel *channel);
  extern void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue);
  extern void efx_rx_slow_fill(unsigned long context);
  extern void __efx_rx_packet(struct efx_channel *channel,
  			    struct efx_rx_buffer *rx_buf, bool checksummed);
  extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
  			  unsigned int len, bool checksummed, bool discard);
  extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue);
  #define EFX_RXQ_SIZE 1024
  #define EFX_RXQ_MASK (EFX_RXQ_SIZE - 1)
  
  /* Channels */
  extern void efx_process_channel_now(struct efx_channel *channel);
  #define EFX_EVQ_SIZE 4096
  #define EFX_EVQ_MASK (EFX_EVQ_SIZE - 1)
  
  /* Ports */
  extern int efx_reconfigure_port(struct efx_nic *efx);
  extern int __efx_reconfigure_port(struct efx_nic *efx);
  
  /* Ethtool support */
  extern int efx_ethtool_get_settings(struct net_device *net_dev,
  				    struct ethtool_cmd *ecmd);
  extern int efx_ethtool_set_settings(struct net_device *net_dev,
  				    struct ethtool_cmd *ecmd);
  extern const struct ethtool_ops efx_ethtool_ops;
  
  /* Reset handling */
  extern int efx_reset(struct efx_nic *efx, enum reset_type method);
  extern void efx_reset_down(struct efx_nic *efx, enum reset_type method);
  extern int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
  
  /* Global */
  extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
  extern void efx_init_irq_moderation(struct efx_nic *efx, int tx_usecs,
  				    int rx_usecs, bool rx_adaptive);
  extern int efx_request_power(struct efx_nic *efx, int mw, const char *name);
  extern void efx_hex_dump(const u8 *, unsigned int, const char *);
  
  /* Dummy PHY ops for PHY drivers */
  extern int efx_port_dummy_op_int(struct efx_nic *efx);
  extern void efx_port_dummy_op_void(struct efx_nic *efx);
  extern void
  efx_port_dummy_op_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
  extern bool efx_port_dummy_op_poll(struct efx_nic *efx);
  
  /* MTD */
  #ifdef CONFIG_SFC_MTD
  extern int efx_mtd_probe(struct efx_nic *efx);
  extern void efx_mtd_rename(struct efx_nic *efx);
  extern void efx_mtd_remove(struct efx_nic *efx);
  #else
  static inline int efx_mtd_probe(struct efx_nic *efx) { return 0; }
  static inline void efx_mtd_rename(struct efx_nic *efx) {}
  static inline void efx_mtd_remove(struct efx_nic *efx) {}
  #endif
  
  extern unsigned int efx_monitor_interval;
  
  static inline void efx_schedule_channel(struct efx_channel *channel)
  {
  	netif_vdbg(channel->efx, intr, channel->efx->net_dev,
  		   "channel %d scheduling NAPI poll on CPU%d\n",
  		   channel->channel, raw_smp_processor_id());
  	channel->work_pending = true;
  
  	napi_schedule(&channel->napi_str);
  }
  
  extern void efx_link_status_changed(struct efx_nic *efx);
  extern void efx_link_set_advertising(struct efx_nic *efx, u32);
  extern void efx_link_set_wanted_fc(struct efx_nic *efx, enum efx_fc_type);
  
  #endif /* EFX_EFX_H */
  