drivers/net/sfc/efx.h

   1 /****************************************************************************
   2  * Driver for Solarflare Solarstorm network controllers and boards
   3  * Copyright 2005-2006 Fen Systems Ltd.
   4  * Copyright 2006-2009 Solarflare Communications Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 as published
   8  * by the Free Software Foundation, incorporated herein by reference.
   9  */
  10
  11 #ifndef EFX_EFX_H
  12 #define EFX_EFX_H
  13
  14 #include "net_driver.h"
  15
  16 /* PCI IDs */
  17 #define EFX_VENDID_SFC          0x1924
  18 #define FALCON_A_P_DEVID        0x0703
  19 #define FALCON_A_S_DEVID        0x6703
  20 #define FALCON_B_P_DEVID        0x0710
  21 #define BETHPAGE_A_P_DEVID      0x0803
  22 #define SIENA_A_P_DEVID         0x0813
  23
  24 /* Solarstorm controllers use BAR 0 for I/O space and BAR 2(&3) for memory */
  25 #define EFX_MEM_BAR 2
  26
  27 /* TX */
  28 extern int efx_probe_tx_queue(struct efx_tx_queue *tx_queue);
  29 extern void efx_remove_tx_queue(struct efx_tx_queue *tx_queue);
  30 extern void efx_init_tx_queue(struct efx_tx_queue *tx_queue);
  31 extern void efx_fini_tx_queue(struct efx_tx_queue *tx_queue);
  32 extern void efx_release_tx_buffers(struct efx_tx_queue *tx_queue);
  33 extern netdev_tx_t
  34 efx_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev);
  35 extern netdev_tx_t
  36 efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb);
  37 extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
  38 extern void efx_stop_queue(struct efx_nic *efx);
  39 extern void efx_wake_queue(struct efx_nic *efx);
  40 #define EFX_TXQ_SIZE 1024
  41 #define EFX_TXQ_MASK (EFX_TXQ_SIZE - 1)
  42
  43 /* RX */
  44 extern int efx_probe_rx_queue(struct efx_rx_queue *rx_queue);
  45 extern void efx_remove_rx_queue(struct efx_rx_queue *rx_queue);
  46 extern void efx_init_rx_queue(struct efx_rx_queue *rx_queue);
  47 extern void efx_fini_rx_queue(struct efx_rx_queue *rx_queue);
  48 extern void efx_rx_strategy(struct efx_channel *channel);
  49 extern void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue);
  50 extern void efx_rx_work(struct work_struct *data);
  51 extern void __efx_rx_packet(struct efx_channel *channel,
  52                             struct efx_rx_buffer *rx_buf, bool checksummed);
  53 extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
  54                           unsigned int len, bool checksummed, bool discard);
  55 extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue, int delay);
  56 #define EFX_RXQ_SIZE 1024
  57 #define EFX_RXQ_MASK (EFX_RXQ_SIZE - 1)
  58
  59 /* Channels */
  60 extern void efx_process_channel_now(struct efx_channel *channel);
  61 #define EFX_EVQ_SIZE 4096
  62 #define EFX_EVQ_MASK (EFX_EVQ_SIZE - 1)
  63
  64 /* Ports */
  65 extern int efx_reconfigure_port(struct efx_nic *efx);
  66 extern int __efx_reconfigure_port(struct efx_nic *efx);
  67
  68 /* Ethtool support */
  69 extern int efx_ethtool_get_settings(struct net_device *net_dev,
  70                                     struct ethtool_cmd *ecmd);
  71 extern int efx_ethtool_set_settings(struct net_device *net_dev,
  72                                     struct ethtool_cmd *ecmd);
  73 extern const struct ethtool_ops efx_ethtool_ops;
  74
  75 /* Reset handling */
  76 extern int efx_reset(struct efx_nic *efx, enum reset_type method);
  77 extern void efx_reset_down(struct efx_nic *efx, enum reset_type method);
  78 extern int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
  79
  80 /* Global */
  81 extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
  82 extern void efx_suspend(struct efx_nic *efx);
  83 extern void efx_resume(struct efx_nic *efx);
  84 extern void efx_init_irq_moderation(struct efx_nic *efx, int tx_usecs,
  85                                     int rx_usecs, bool rx_adaptive);
  86 extern int efx_request_power(struct efx_nic *efx, int mw, const char *name);
  87 extern void efx_hex_dump(const u8 *, unsigned int, const char *);
  88
  89 /* Dummy PHY ops for PHY drivers */
  90 extern int efx_port_dummy_op_int(struct efx_nic *efx);
  91 extern void efx_port_dummy_op_void(struct efx_nic *efx);
  92 extern void
  93 efx_port_dummy_op_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
  94 extern bool efx_port_dummy_op_poll(struct efx_nic *efx);
  95
  96 /* MTD */
  97 #ifdef CONFIG_SFC_MTD
  98 extern int efx_mtd_probe(struct efx_nic *efx);
  99 extern void efx_mtd_rename(struct efx_nic *efx);
 100 extern void efx_mtd_remove(struct efx_nic *efx);
 101 #else
 102 static inline int efx_mtd_probe(struct efx_nic *efx) { return 0; }
 103 static inline void efx_mtd_rename(struct efx_nic *efx) {}
 104 static inline void efx_mtd_remove(struct efx_nic *efx) {}
 105 #endif
 106
 107 extern unsigned int efx_monitor_interval;
 108
 109 static inline void efx_schedule_channel(struct efx_channel *channel)
 110 {
 111         EFX_TRACE(channel->efx, "channel %d scheduling NAPI poll on CPU%d\n",
 112                   channel->channel, raw_smp_processor_id());
 113         channel->work_pending = true;
 114
 115         napi_schedule(&channel->napi_str);
 116 }
 117
 118 extern void efx_link_status_changed(struct efx_nic *efx);
 119 extern void efx_link_set_advertising(struct efx_nic *efx, u32);
 120 extern void efx_link_set_wanted_fc(struct efx_nic *efx, enum efx_fc_type);
 121
 122 #endif /* EFX_EFX_H */