summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/libertas/dev.h
blob: 6bd1608992b00bec61b596d1c770674df8e11024 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
/*
 * This file contains definitions and data structures specific
 * to Marvell 802.11 NIC. It contains the Device Information
 * structure struct lbs_private..
 */
#ifndef _LBS_DEV_H_
#define _LBS_DEV_H_

#include "defs.h"
#include "decl.h"
#include "host.h"

#include <linux/kfifo.h>

/* sleep_params */
struct sleep_params {
	uint16_t sp_error;
	uint16_t sp_offset;
	uint16_t sp_stabletime;
	uint8_t  sp_calcontrol;
	uint8_t  sp_extsleepclk;
	uint16_t sp_reserved;
};

/* Mesh statistics */
struct lbs_mesh_stats {
	u32	fwd_bcast_cnt;		/* Fwd: Broadcast counter */
	u32	fwd_unicast_cnt;	/* Fwd: Unicast counter */
	u32	fwd_drop_ttl;		/* Fwd: TTL zero */
	u32	fwd_drop_rbt;		/* Fwd: Recently Broadcasted */
	u32	fwd_drop_noroute; 	/* Fwd: No route to Destination */
	u32	fwd_drop_nobuf;		/* Fwd: Run out of internal buffers */
	u32	drop_blind;		/* Rx:  Dropped by blinding table */
	u32	tx_failed_cnt;		/* Tx:  Failed transmissions */
};

/* Private structure for the MV device */
struct lbs_private {

	/* Basic networking */
	struct net_device *dev;
	u32 connect_status;
	struct work_struct mcast_work;
	u32 nr_of_multicastmacaddr;
	u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];

	/* CFG80211 */
	struct wireless_dev *wdev;
	bool wiphy_registered;
	struct cfg80211_scan_request *scan_req;
	u8 assoc_bss[ETH_ALEN];
	u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
	u8 disassoc_reason;

	/* Mesh */
	struct net_device *mesh_dev; /* Virtual device */
#ifdef CONFIG_LIBERTAS_MESH
	struct lbs_mesh_stats mstats;
	uint16_t mesh_tlv;
	u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
	u8 mesh_ssid_len;
	u8 mesh_channel;
#endif

	/* Debugfs */
	struct dentry *debugfs_dir;
	struct dentry *debugfs_debug;
	struct dentry *debugfs_files[6];
	struct dentry *events_dir;
	struct dentry *debugfs_events_files[6];
	struct dentry *regs_dir;
	struct dentry *debugfs_regs_files[6];

	/* Hardware debugging */
	u32 mac_offset;
	u32 bbp_offset;
	u32 rf_offset;

	/* Power management */
	u16 psmode;
	u32 psstate;
	u8 needtowakeup;

	/* Deep sleep */
	int is_deep_sleep;
	int deep_sleep_required;
	int is_auto_deep_sleep_enabled;
	int wakeup_dev_required;
	int is_activity_detected;
	int auto_deep_sleep_timeout; /* in ms */
	wait_queue_head_t ds_awake_q;
	struct timer_list auto_deepsleep_timer;

	/* Host sleep*/
	int is_host_sleep_configured;
	int is_host_sleep_activated;
	wait_queue_head_t host_sleep_q;

	/* Hardware access */
	void *card;
	bool iface_running;
	u8 fw_ready;
	u8 surpriseremoved;
	u8 setup_fw_on_resume;
	int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
	void (*reset_card) (struct lbs_private *priv);
	int (*power_save) (struct lbs_private *priv);
	int (*power_restore) (struct lbs_private *priv);
	int (*enter_deep_sleep) (struct lbs_private *priv);
	int (*exit_deep_sleep) (struct lbs_private *priv);
	int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);

	/* Adapter info (from EEPROM) */
	u32 fwrelease;
	u32 fwcapinfo;
	u16 regioncode;
	u8 current_addr[ETH_ALEN];
	u8 copied_hwaddr;

	/* Command download */
	u8 dnld_sent;
	/* bit0 1/0=data_sent/data_tx_done,
	   bit1 1/0=cmd_sent/cmd_tx_done,
	   all other bits reserved 0 */
	u16 seqnum;
	struct cmd_ctrl_node *cmd_array;
	struct cmd_ctrl_node *cur_cmd;
	struct list_head cmdfreeq;    /* free command buffers */
	struct list_head cmdpendingq; /* pending command buffers */
	struct timer_list command_timer;
	int cmd_timed_out;

	/* Command responses sent from the hardware to the driver */
	u8 resp_idx;
	u8 resp_buf[2][LBS_UPLD_SIZE];
	u32 resp_len[2];

	/* Events sent from hardware to driver */
	struct kfifo event_fifo;

	/* thread to service interrupts */
	struct task_struct *main_thread;
	wait_queue_head_t waitq;
	struct workqueue_struct *work_thread;

	/* Encryption stuff */
	u8 authtype_auto;
	u8 wep_tx_key;
	u8 wep_key[4][WLAN_KEY_LEN_WEP104];
	u8 wep_key_len[4];

	/* Wake On LAN */
	uint32_t wol_criteria;
	uint8_t wol_gpio;
	uint8_t wol_gap;
	bool ehs_remove_supported;

	/* Transmitting */
	int tx_pending_len;		/* -1 while building packet */
	u8 tx_pending_buf[LBS_UPLD_SIZE];
	/* protected by hard_start_xmit serialization */
	u8 txretrycount;
	struct sk_buff *currenttxskb;
	struct timer_list tx_lockup_timer;

	/* Locks */
	struct mutex lock;
	spinlock_t driver_lock;

	/* NIC/link operation characteristics */
	u16 mac_control;
	u8 radio_on;
	u8 cur_rate;
	u8 channel;
	s16 txpower_cur;
	s16 txpower_min;
	s16 txpower_max;

	/* Scanning */
	struct delayed_work scan_work;
	int scan_channel;
	/* Queue of things waiting for scan completion */
	wait_queue_head_t scan_q;
	/* Whether the scan was initiated internally and not by cfg80211 */
	bool internal_scan;

	/* Firmware load */
	u32 fw_model;
	wait_queue_head_t fw_waitq;
	struct device *fw_device;
	const struct firmware *helper_fw;
	const struct lbs_fw_table *fw_table;
	const struct lbs_fw_table *fw_iter;
	lbs_fw_cb fw_callback;
};

extern struct cmd_confirm_sleep confirm_sleep;

/* Check if there is an interface active. */
static inline int lbs_iface_active(struct lbs_private *priv)
{
	int r;

	r = netif_running(priv->dev);
	if (priv->mesh_dev)
		r |= netif_running(priv->mesh_dev);

	return r;
}

#endif