1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * This file contains definitions and data structures specific
4 * to Marvell 802.11 NIC. It contains the Device Information
5 * structure struct lbs_private..
6 */
7#ifndef _LBS_DEV_H_
8#define _LBS_DEV_H_
9
10#include "defs.h"
11#include "decl.h"
12#include "host.h"
13
14#include <linux/kfifo.h>
15
16/* sleep_params */
17struct sleep_params {
18 uint16_t sp_error;
19 uint16_t sp_offset;
20 uint16_t sp_stabletime;
21 uint8_t sp_calcontrol;
22 uint8_t sp_extsleepclk;
23 uint16_t sp_reserved;
24};
25
26/* Mesh statistics */
27struct lbs_mesh_stats {
28 u32 fwd_bcast_cnt; /* Fwd: Broadcast counter */
29 u32 fwd_unicast_cnt; /* Fwd: Unicast counter */
30 u32 fwd_drop_ttl; /* Fwd: TTL zero */
31 u32 fwd_drop_rbt; /* Fwd: Recently Broadcasted */
32 u32 fwd_drop_noroute; /* Fwd: No route to Destination */
33 u32 fwd_drop_nobuf; /* Fwd: Run out of internal buffers */
34 u32 drop_blind; /* Rx: Dropped by blinding table */
35 u32 tx_failed_cnt; /* Tx: Failed transmissions */
36};
37
38/* Private structure for the MV device */
39struct lbs_private {
40
41 /* Basic networking */
42 struct net_device *dev;
43 u32 connect_status;
44 struct work_struct mcast_work;
45 u32 nr_of_multicastmacaddr;
46 u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
47
48 /* CFG80211 */
49 struct wireless_dev *wdev;
50 bool wiphy_registered;
51 struct cfg80211_scan_request *scan_req;
52 u8 assoc_bss[ETH_ALEN];
53 u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
54 u8 disassoc_reason;
55
56 /* Mesh */
57 struct net_device *mesh_dev; /* Virtual device */
58#ifdef CONFIG_LIBERTAS_MESH
59 struct lbs_mesh_stats mstats;
60 uint16_t mesh_tlv;
61 u8 mesh_channel;
62#endif
63
64 /* Debugfs */
65 struct dentry *debugfs_dir;
66 struct dentry *debugfs_debug;
67 struct dentry *debugfs_files[6];
68 struct dentry *events_dir;
69 struct dentry *debugfs_events_files[6];
70 struct dentry *regs_dir;
71 struct dentry *debugfs_regs_files[6];
72
73 /* Hardware debugging */
74 u32 mac_offset;
75 u32 bbp_offset;
76 u32 rf_offset;
77
78 /* Power management */
79 u16 psmode;
80 u32 psstate;
81 u8 needtowakeup;
82
83 /* Deep sleep */
84 int is_deep_sleep;
85 int deep_sleep_required;
86 int is_activity_detected;
87 wait_queue_head_t ds_awake_q;
88
89 /* Host sleep*/
90 int is_host_sleep_configured;
91 int is_host_sleep_activated;
92 wait_queue_head_t host_sleep_q;
93
94 /* Hardware access */
95 void *card;
96 bool iface_running;
97 u8 is_polling; /* host has to poll the card irq */
98 u8 fw_ready;
99 u8 surpriseremoved;
100 u8 setup_fw_on_resume;
101 u8 power_up_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 /* Firmware load */
185 u32 fw_model;
186 wait_queue_head_t fw_waitq;
187 struct device *fw_device;
188 const struct firmware *helper_fw;
189 const struct lbs_fw_table *fw_table;
190 const struct lbs_fw_table *fw_iter;
191 lbs_fw_cb fw_callback;
192};
193
194extern struct cmd_confirm_sleep confirm_sleep;
195
196/* Check if there is an interface active. */
197static inline int lbs_iface_active(struct lbs_private *priv)
198{
199 int r;
200
201 r = netif_running(dev: priv->dev);
202 if (priv->mesh_dev)
203 r |= netif_running(dev: priv->mesh_dev);
204
205 return r;
206}
207
208#endif
209

source code of linux/drivers/net/wireless/marvell/libertas/dev.h