147 lines
5.6 KiB
C
147 lines
5.6 KiB
C
/****************************************************************************
|
|
* Driver for Solarflare Solarstorm network controllers and boards
|
|
* Copyright 2005-2006 Fen Systems Ltd.
|
|
* Copyright 2006-2010 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"
|
|
#include "filter.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_init_tx_queue_core_txq(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 int efx_setup_tc(struct net_device *net_dev, u8 num_tc);
|
|
|
|
/* 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_MAX_DMAQ_SIZE 4096UL
|
|
#define EFX_DEFAULT_DMAQ_SIZE 1024UL
|
|
#define EFX_MIN_DMAQ_SIZE 512UL
|
|
|
|
#define EFX_MAX_EVQ_SIZE 16384UL
|
|
#define EFX_MIN_EVQ_SIZE 512UL
|
|
|
|
/* The smallest [rt]xq_entries that the driver supports. Callers of
|
|
* efx_wake_queue() assume that they can subsequently send at least one
|
|
* skb. Falcon/A1 may require up to three descriptors per skb_frag. */
|
|
#define EFX_MIN_RING_SIZE (roundup_pow_of_two(2 * 3 * MAX_SKB_FRAGS))
|
|
|
|
/* Filters */
|
|
extern int efx_probe_filters(struct efx_nic *efx);
|
|
extern void efx_restore_filters(struct efx_nic *efx);
|
|
extern void efx_remove_filters(struct efx_nic *efx);
|
|
extern int efx_filter_insert_filter(struct efx_nic *efx,
|
|
struct efx_filter_spec *spec,
|
|
bool replace);
|
|
extern int efx_filter_remove_filter(struct efx_nic *efx,
|
|
struct efx_filter_spec *spec);
|
|
extern void efx_filter_clear_rx(struct efx_nic *efx,
|
|
enum efx_filter_priority priority);
|
|
#ifdef CONFIG_RFS_ACCEL
|
|
extern int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
|
|
u16 rxq_index, u32 flow_id);
|
|
extern bool __efx_filter_rfs_expire(struct efx_nic *efx, unsigned quota);
|
|
static inline void efx_filter_rfs_expire(struct efx_channel *channel)
|
|
{
|
|
if (channel->rfs_filters_added >= 60 &&
|
|
__efx_filter_rfs_expire(channel->efx, 100))
|
|
channel->rfs_filters_added -= 60;
|
|
}
|
|
#define efx_filter_rfs_enabled() 1
|
|
#else
|
|
static inline void efx_filter_rfs_expire(struct efx_channel *channel) {}
|
|
#define efx_filter_rfs_enabled() 0
|
|
#endif
|
|
|
|
/* Channels */
|
|
extern void efx_process_channel_now(struct efx_channel *channel);
|
|
extern int
|
|
efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries);
|
|
|
|
/* Ports */
|
|
extern int efx_reconfigure_port(struct efx_nic *efx);
|
|
extern int __efx_reconfigure_port(struct efx_nic *efx);
|
|
|
|
/* Ethtool support */
|
|
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);
|
|
|
|
/* 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);
|
|
|
|
|
|
/* 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
|
|
|
|
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 */
|