linux/drivers/net/sfc/efx.h

97 lines
3.4 KiB
C

/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2005-2006 Fen Systems Ltd.
* Copyright 2006-2008 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
/* Solarstorm controllers use BAR 0 for I/O space and BAR 2(&3) for memory */
#define EFX_MEM_BAR 2
/* TX */
extern netdev_tx_t efx_xmit(struct efx_nic *efx,
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_nic *efx);
extern void efx_wake_queue(struct efx_nic *efx);
#define EFX_TXQ_SIZE 1024
#define EFX_TXQ_MASK (EFX_TXQ_SIZE - 1)
/* RX */
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, int delay);
#define EFX_RXQ_SIZE 1024
#define EFX_RXQ_MASK (EFX_RXQ_SIZE - 1)
/* Channels */
extern void efx_process_channel_now(struct efx_channel *channel);
extern void efx_flush_queues(struct efx_nic *efx);
#define EFX_EVQ_SIZE 4096
#define EFX_EVQ_MASK (EFX_EVQ_SIZE - 1)
/* Ports */
extern void efx_stats_disable(struct efx_nic *efx);
extern void efx_stats_enable(struct efx_nic *efx);
extern void efx_reconfigure_port(struct efx_nic *efx);
extern void __efx_reconfigure_port(struct efx_nic *efx);
/* Reset handling */
extern void efx_reset_down(struct efx_nic *efx, enum reset_type method,
struct ethtool_cmd *ecmd);
extern int efx_reset_up(struct efx_nic *efx, enum reset_type method,
struct ethtool_cmd *ecmd, bool ok);
/* Global */
extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
extern void efx_suspend(struct efx_nic *efx);
extern void efx_resume(struct efx_nic *efx);
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_blink(struct efx_nic *efx, bool blink);
/* 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)
{
EFX_TRACE(channel->efx, "channel %d scheduling NAPI poll on CPU%d\n",
channel->channel, raw_smp_processor_id());
channel->work_pending = true;
napi_schedule(&channel->napi_str);
}
#endif /* EFX_EFX_H */