1 /*
2  * This file contains definitions and data structures specific
3  * to Marvell 802.11 NIC. It contains the Device Information
4  * structure struct lbs_private..
5  */
6 #ifndef _LBS_DEV_H_
7 #define _LBS_DEV_H_
8 
9 #include "defs.h"
10 #include "host.h"
11 
12 #include <linux/kfifo.h>
13 
14 /* sleep_params */
15 struct sleep_params {
16 	uint16_t sp_error;
17 	uint16_t sp_offset;
18 	uint16_t sp_stabletime;
19 	uint8_t  sp_calcontrol;
20 	uint8_t  sp_extsleepclk;
21 	uint16_t sp_reserved;
22 };
23 
24 /* Mesh statistics */
25 struct lbs_mesh_stats {
26 	u32	fwd_bcast_cnt;		/* Fwd: Broadcast counter */
27 	u32	fwd_unicast_cnt;	/* Fwd: Unicast counter */
28 	u32	fwd_drop_ttl;		/* Fwd: TTL zero */
29 	u32	fwd_drop_rbt;		/* Fwd: Recently Broadcasted */
30 	u32	fwd_drop_noroute; 	/* Fwd: No route to Destination */
31 	u32	fwd_drop_nobuf;		/* Fwd: Run out of internal buffers */
32 	u32	drop_blind;		/* Rx:  Dropped by blinding table */
33 	u32	tx_failed_cnt;		/* Tx:  Failed transmissions */
34 };
35 
36 /* Private structure for the MV device */
37 struct lbs_private {
38 
39 	/* Basic networking */
40 	struct net_device *dev;
41 	u32 connect_status;
42 	struct work_struct mcast_work;
43 	u32 nr_of_multicastmacaddr;
44 	u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
45 
46 	/* CFG80211 */
47 	struct wireless_dev *wdev;
48 	bool wiphy_registered;
49 	struct cfg80211_scan_request *scan_req;
50 	u8 assoc_bss[ETH_ALEN];
51 	u8 disassoc_reason;
52 
53 	/* Mesh */
54 	struct net_device *mesh_dev; /* Virtual device */
55 #ifdef CONFIG_LIBERTAS_MESH
56 	struct lbs_mesh_stats mstats;
57 	uint16_t mesh_tlv;
58 	u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
59 	u8 mesh_ssid_len;
60 #endif
61 
62 	/* Debugfs */
63 	struct dentry *debugfs_dir;
64 	struct dentry *debugfs_debug;
65 	struct dentry *debugfs_files[6];
66 	struct dentry *events_dir;
67 	struct dentry *debugfs_events_files[6];
68 	struct dentry *regs_dir;
69 	struct dentry *debugfs_regs_files[6];
70 
71 	/* Hardware debugging */
72 	u32 mac_offset;
73 	u32 bbp_offset;
74 	u32 rf_offset;
75 
76 	/* Power management */
77 	u16 psmode;
78 	u32 psstate;
79 	u8 needtowakeup;
80 
81 	/* Deep sleep */
82 	int is_deep_sleep;
83 	int deep_sleep_required;
84 	int is_auto_deep_sleep_enabled;
85 	int wakeup_dev_required;
86 	int is_activity_detected;
87 	int auto_deep_sleep_timeout; /* in ms */
88 	wait_queue_head_t ds_awake_q;
89 	struct timer_list auto_deepsleep_timer;
90 
91 	/* Host sleep*/
92 	int is_host_sleep_configured;
93 	int is_host_sleep_activated;
94 	wait_queue_head_t host_sleep_q;
95 
96 	/* Hardware access */
97 	void *card;
98 	bool iface_running;
99 	u8 fw_ready;
100 	u8 surpriseremoved;
101 	u8 setup_fw_on_resume;
102 	int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
103 	void (*reset_card) (struct lbs_private *priv);
104 	int (*power_save) (struct lbs_private *priv);
105 	int (*power_restore) (struct lbs_private *priv);
106 	int (*enter_deep_sleep) (struct lbs_private *priv);
107 	int (*exit_deep_sleep) (struct lbs_private *priv);
108 	int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);
109 
110 	/* Adapter info (from EEPROM) */
111 	u32 fwrelease;
112 	u32 fwcapinfo;
113 	u16 regioncode;
114 	u8 current_addr[ETH_ALEN];
115 	u8 copied_hwaddr;
116 
117 	/* Command download */
118 	u8 dnld_sent;
119 	/* bit0 1/0=data_sent/data_tx_done,
120 	   bit1 1/0=cmd_sent/cmd_tx_done,
121 	   all other bits reserved 0 */
122 	u16 seqnum;
123 	struct cmd_ctrl_node *cmd_array;
124 	struct cmd_ctrl_node *cur_cmd;
125 	struct list_head cmdfreeq;    /* free command buffers */
126 	struct list_head cmdpendingq; /* pending command buffers */
127 	struct timer_list command_timer;
128 	int cmd_timed_out;
129 
130 	/* Command responses sent from the hardware to the driver */
131 	u8 resp_idx;
132 	u8 resp_buf[2][LBS_UPLD_SIZE];
133 	u32 resp_len[2];
134 
135 	/* Events sent from hardware to driver */
136 	struct kfifo event_fifo;
137 
138 	/* thread to service interrupts */
139 	struct task_struct *main_thread;
140 	wait_queue_head_t waitq;
141 	struct workqueue_struct *work_thread;
142 
143 	/* Encryption stuff */
144 	u8 authtype_auto;
145 	u8 wep_tx_key;
146 	u8 wep_key[4][WLAN_KEY_LEN_WEP104];
147 	u8 wep_key_len[4];
148 
149 	/* Wake On LAN */
150 	uint32_t wol_criteria;
151 	uint8_t wol_gpio;
152 	uint8_t wol_gap;
153 	bool ehs_remove_supported;
154 
155 	/* Transmitting */
156 	int tx_pending_len;		/* -1 while building packet */
157 	u8 tx_pending_buf[LBS_UPLD_SIZE];
158 	/* protected by hard_start_xmit serialization */
159 	u8 txretrycount;
160 	struct sk_buff *currenttxskb;
161 	struct timer_list tx_lockup_timer;
162 
163 	/* Locks */
164 	struct mutex lock;
165 	spinlock_t driver_lock;
166 
167 	/* NIC/link operation characteristics */
168 	u16 mac_control;
169 	u8 radio_on;
170 	u8 cur_rate;
171 	u8 channel;
172 	s16 txpower_cur;
173 	s16 txpower_min;
174 	s16 txpower_max;
175 
176 	/* Scanning */
177 	struct delayed_work scan_work;
178 	int scan_channel;
179 	/* Queue of things waiting for scan completion */
180 	wait_queue_head_t scan_q;
181 	/* Whether the scan was initiated internally and not by cfg80211 */
182 	bool internal_scan;
183 };
184 
185 extern struct cmd_confirm_sleep confirm_sleep;
186 
187 /* Check if there is an interface active. */
lbs_iface_active(struct lbs_private * priv)188 static inline int lbs_iface_active(struct lbs_private *priv)
189 {
190 	int r;
191 
192 	r = netif_running(priv->dev);
193 	if (priv->mesh_dev)
194 		r |= netif_running(priv->mesh_dev);
195 
196 	return r;
197 }
198 
199 #endif
200