1 /****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
4 * Copyright 2006-2008 Solarflare Communications Inc.
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.
14 #include "net_driver.h"
17 * Falcon hardware control
20 enum falcon_revision {
26 static inline int falcon_rev(struct efx_nic *efx)
28 return efx->pci_dev->revision;
31 extern struct efx_nic_type falcon_a_nic_type;
32 extern struct efx_nic_type falcon_b_nic_type;
34 /**************************************************************************
38 **************************************************************************
42 extern int falcon_probe_tx(struct efx_tx_queue *tx_queue);
43 extern int falcon_init_tx(struct efx_tx_queue *tx_queue);
44 extern void falcon_fini_tx(struct efx_tx_queue *tx_queue);
45 extern void falcon_remove_tx(struct efx_tx_queue *tx_queue);
46 extern void falcon_push_buffers(struct efx_tx_queue *tx_queue);
49 extern int falcon_probe_rx(struct efx_rx_queue *rx_queue);
50 extern int falcon_init_rx(struct efx_rx_queue *rx_queue);
51 extern void falcon_fini_rx(struct efx_rx_queue *rx_queue);
52 extern void falcon_remove_rx(struct efx_rx_queue *rx_queue);
53 extern void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue);
56 extern int falcon_probe_eventq(struct efx_channel *channel);
57 extern int falcon_init_eventq(struct efx_channel *channel);
58 extern void falcon_fini_eventq(struct efx_channel *channel);
59 extern void falcon_remove_eventq(struct efx_channel *channel);
60 extern int falcon_process_eventq(struct efx_channel *channel, int *rx_quota);
61 extern void falcon_eventq_read_ack(struct efx_channel *channel);
64 extern int falcon_probe_port(struct efx_nic *efx);
65 extern void falcon_remove_port(struct efx_nic *efx);
68 extern int falcon_xaui_link_ok(struct efx_nic *efx);
69 extern int falcon_dma_stats(struct efx_nic *efx,
70 unsigned int done_offset);
71 extern void falcon_drain_tx_fifo(struct efx_nic *efx);
72 extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx);
73 extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
75 /* Interrupts and test events */
76 extern int falcon_init_interrupt(struct efx_nic *efx);
77 extern void falcon_enable_interrupts(struct efx_nic *efx);
78 extern void falcon_generate_test_event(struct efx_channel *channel,
80 extern void falcon_generate_interrupt(struct efx_nic *efx);
81 extern void falcon_set_int_moderation(struct efx_channel *channel);
82 extern void falcon_disable_interrupts(struct efx_nic *efx);
83 extern void falcon_fini_interrupt(struct efx_nic *efx);
85 /* Global Resources */
86 extern int falcon_probe_nic(struct efx_nic *efx);
87 extern int falcon_probe_resources(struct efx_nic *efx);
88 extern int falcon_init_nic(struct efx_nic *efx);
89 extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
90 extern void falcon_remove_resources(struct efx_nic *efx);
91 extern void falcon_remove_nic(struct efx_nic *efx);
92 extern void falcon_update_nic_stats(struct efx_nic *efx);
93 extern void falcon_set_multicast_hash(struct efx_nic *efx);
94 extern int falcon_reset_xaui(struct efx_nic *efx);
96 /**************************************************************************
100 **************************************************************************
103 #define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)
104 #define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)
106 /* Retrieve statistic from statistics block */
107 #define FALCON_STAT(efx, falcon_stat, efx_stat) do { \
108 if (FALCON_STAT_WIDTH(falcon_stat) == 16) \
109 (efx)->mac_stats.efx_stat += le16_to_cpu( \
110 *((__force __le16 *) \
111 (efx->stats_buffer.addr + \
112 FALCON_STAT_OFFSET(falcon_stat)))); \
113 else if (FALCON_STAT_WIDTH(falcon_stat) == 32) \
114 (efx)->mac_stats.efx_stat += le32_to_cpu( \
115 *((__force __le32 *) \
116 (efx->stats_buffer.addr + \
117 FALCON_STAT_OFFSET(falcon_stat)))); \
119 (efx)->mac_stats.efx_stat += le64_to_cpu( \
120 *((__force __le64 *) \
121 (efx->stats_buffer.addr + \
122 FALCON_STAT_OFFSET(falcon_stat)))); \
125 #define FALCON_MAC_STATS_SIZE 0x100
127 #define MAC_DATA_LBN 0
128 #define MAC_DATA_WIDTH 32
130 extern void falcon_generate_event(struct efx_channel *channel,
133 #endif /* EFX_FALCON_H */