projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
sfc: Encapsulate access to efx_{channel,nic}::last_irq_cpu in self-test
[deliverable/linux.git] / drivers / net / ethernet / sfc / efx.h
CommitLineData
8ceee660
BH		 1/****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
0a6f40c6 4 * Copyright 2006-2010 Solarflare Communications Inc.
8ceee660
BH		 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"
64eebcfd 15#include "filter.h"
8ceee660 16
dc803df8
BH		 17/* Solarstorm controllers use BAR 0 for I/O space and BAR 2(&3) for memory */
18#define EFX_MEM_BAR 2
19
8ceee660 20/* TX */
f5e7adc3
BH		 21extern int efx_probe_tx_queue(struct efx_tx_queue *tx_queue);
22extern void efx_remove_tx_queue(struct efx_tx_queue *tx_queue);
23extern void efx_init_tx_queue(struct efx_tx_queue *tx_queue);
60031fcc 24extern void efx_init_tx_queue_core_txq(struct efx_tx_queue *tx_queue);
f5e7adc3
BH		 25extern void efx_fini_tx_queue(struct efx_tx_queue *tx_queue);
26extern void efx_release_tx_buffers(struct efx_tx_queue *tx_queue);
27extern netdev_tx_t
28efx_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev);
29extern netdev_tx_t
30efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb);
59cf09cc 31extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
94b274bf 32extern int efx_setup_tc(struct net_device *net_dev, u8 num_tc);
8ceee660
BH		 33
34/* RX */
f5e7adc3
BH		 35extern int efx_probe_rx_queue(struct efx_rx_queue *rx_queue);
36extern void efx_remove_rx_queue(struct efx_rx_queue *rx_queue);
37extern void efx_init_rx_queue(struct efx_rx_queue *rx_queue);
38extern void efx_fini_rx_queue(struct efx_rx_queue *rx_queue);
39extern void efx_rx_strategy(struct efx_channel *channel);
40extern void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue);
90d683af 41extern void efx_rx_slow_fill(unsigned long context);
f5e7adc3 42extern void __efx_rx_packet(struct efx_channel *channel,
db339569 43 struct efx_rx_buffer *rx_buf);
8ceee660 44extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
db339569 45 unsigned int len, u16 flags);
90d683af 46extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue);
ecc910f5
SH		 47
48#define EFX_MAX_DMAQ_SIZE 4096UL
49#define EFX_DEFAULT_DMAQ_SIZE 1024UL
50#define EFX_MIN_DMAQ_SIZE 512UL
51
52#define EFX_MAX_EVQ_SIZE 16384UL
53#define EFX_MIN_EVQ_SIZE 512UL
8ceee660 54
4642610c
BH		 55/* The smallest [rt]xq_entries that the driver supports. Callers of
56 * efx_wake_queue() assume that they can subsequently send at least one
57 * skb. Falcon/A1 may require up to three descriptors per skb_frag. */
58#define EFX_MIN_RING_SIZE (roundup_pow_of_two(2 * 3 * MAX_SKB_FRAGS))
59
64eebcfd
BH		 60/* Filters */
61extern int efx_probe_filters(struct efx_nic *efx);
62extern void efx_restore_filters(struct efx_nic *efx);
63extern void efx_remove_filters(struct efx_nic *efx);
3532650f 64extern s32 efx_filter_insert_filter(struct efx_nic *efx,
64eebcfd
BH		 65 struct efx_filter_spec *spec,
66 bool replace);
1a6281ac
BH		 67extern int efx_filter_remove_id_safe(struct efx_nic *efx,
68 enum efx_filter_priority priority,
69 u32 filter_id);
70extern int efx_filter_get_filter_safe(struct efx_nic *efx,
71 enum efx_filter_priority priority,
72 u32 filter_id, struct efx_filter_spec *);
8891681a
BH		 73extern void efx_filter_clear_rx(struct efx_nic *efx,
74 enum efx_filter_priority priority);
1a6281ac
BH		 75extern u32 efx_filter_count_rx_used(struct efx_nic *efx,
76 enum efx_filter_priority priority);
77extern u32 efx_filter_get_rx_id_limit(struct efx_nic *efx);
78extern s32 efx_filter_get_rx_ids(struct efx_nic *efx,
79 enum efx_filter_priority priority,
80 u32 *buf, u32 size);
64d8ad6d
BH		 81#ifdef CONFIG_RFS_ACCEL
82extern int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
83 u16 rxq_index, u32 flow_id);
84extern bool __efx_filter_rfs_expire(struct efx_nic *efx, unsigned quota);
85static inline void efx_filter_rfs_expire(struct efx_channel *channel)
86{
87 if (channel->rfs_filters_added >= 60 &&
88 __efx_filter_rfs_expire(channel->efx, 100))
89 channel->rfs_filters_added -= 60;
90}
91#define efx_filter_rfs_enabled() 1
92#else
93static inline void efx_filter_rfs_expire(struct efx_channel *channel) {}
94#define efx_filter_rfs_enabled() 0
95#endif
64eebcfd 96
8ceee660 97/* Channels */
7f967c01 98extern int efx_channel_dummy_op_int(struct efx_channel *channel);
8ceee660 99extern void efx_process_channel_now(struct efx_channel *channel);
4642610c
BH		 100extern int
101efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries);
8ceee660
BH		 102
103/* Ports */
d3245b28
BH		 104extern int efx_reconfigure_port(struct efx_nic *efx);
105extern int __efx_reconfigure_port(struct efx_nic *efx);
8c8661e4 106
f5e7adc3 107/* Ethtool support */
f5e7adc3
BH		 108extern const struct ethtool_ops efx_ethtool_ops;
109
8c8661e4 110/* Reset handling */
eb9f6744 111extern int efx_reset(struct efx_nic *efx, enum reset_type method);
d3245b28
BH		 112extern void efx_reset_down(struct efx_nic *efx, enum reset_type method);
113extern int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
8ceee660
BH		 114
115/* Global */
116extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
9e393b30
BH		 117extern int efx_init_irq_moderation(struct efx_nic *efx, unsigned int tx_usecs,
118 unsigned int rx_usecs, bool rx_adaptive,
119 bool rx_may_override_tx);
a0c4faf5
BH		 120extern void efx_get_irq_moderation(struct efx_nic *efx, unsigned int *tx_usecs,
121 unsigned int *rx_usecs, bool *rx_adaptive);
8ceee660
BH		 122
123/* Dummy PHY ops for PHY drivers */
124extern int efx_port_dummy_op_int(struct efx_nic *efx);
125extern void efx_port_dummy_op_void(struct efx_nic *efx);
d215697f 126
8ceee660 127
f4150724
BH		 128/* MTD */
129#ifdef CONFIG_SFC_MTD
130extern int efx_mtd_probe(struct efx_nic *efx);
131extern void efx_mtd_rename(struct efx_nic *efx);
132extern void efx_mtd_remove(struct efx_nic *efx);
133#else
134static inline int efx_mtd_probe(struct efx_nic *efx) { return 0; }
135static inline void efx_mtd_rename(struct efx_nic *efx) {}
136static inline void efx_mtd_remove(struct efx_nic *efx) {}
137#endif
8ceee660 138
8ceee660
BH		 139static inline void efx_schedule_channel(struct efx_channel *channel)
140{
62776d03
BH		 141 netif_vdbg(channel->efx, intr, channel->efx->net_dev,
142 "channel %d scheduling NAPI poll on CPU%d\n",
143 channel->channel, raw_smp_processor_id());
dc8cfa55 144 channel->work_pending = true;
8ceee660 145
288379f0 146 napi_schedule(&channel->napi_str);
8ceee660
BH		 147}
148
1646a6f3
BH		 149static inline void efx_schedule_channel_irq(struct efx_channel *channel)
150{
151 channel->last_irq_cpu = raw_smp_processor_id();
152 efx_schedule_channel(channel);
153}
154
fdaa9aed 155extern void efx_link_status_changed(struct efx_nic *efx);
d3245b28 156extern void efx_link_set_advertising(struct efx_nic *efx, u32);
b5626946 157extern void efx_link_set_wanted_fc(struct efx_nic *efx, u8);
fdaa9aed 158
8ceee660 159#endif /* EFX_EFX_H */
Linux kernel - Deliverables
This page took 0.482933 seconds and 5 git commands to generate.