1 /* SPDX-License-Identifier: GPL-2.0 */
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..
14 #include <linux/kfifo.h>
20 uint16_t sp_stabletime;
21 uint8_t sp_calcontrol;
22 uint8_t sp_extsleepclk;
27 struct 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 */
38 /* Private structure for the MV device */
41 /* Basic networking */
42 struct net_device *dev;
44 struct work_struct mcast_work;
45 u32 nr_of_multicastmacaddr;
46 u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
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];
57 struct net_device *mesh_dev; /* Virtual device */
58 #ifdef CONFIG_LIBERTAS_MESH
59 struct lbs_mesh_stats mstats;
61 u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
67 struct dentry *debugfs_dir;
68 struct dentry *debugfs_debug;
69 struct dentry *debugfs_files[6];
70 struct dentry *events_dir;
71 struct dentry *debugfs_events_files[6];
72 struct dentry *regs_dir;
73 struct dentry *debugfs_regs_files[6];
75 /* Hardware debugging */
80 /* Power management */
87 int deep_sleep_required;
88 int is_auto_deep_sleep_enabled;
89 int wakeup_dev_required;
90 int is_activity_detected;
91 int auto_deep_sleep_timeout; /* in ms */
92 wait_queue_head_t ds_awake_q;
93 struct timer_list auto_deepsleep_timer;
96 int is_host_sleep_configured;
97 int is_host_sleep_activated;
98 wait_queue_head_t host_sleep_q;
100 /* Hardware access */
103 u8 is_polling; /* host has to poll the card irq */
106 u8 setup_fw_on_resume;
107 int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
108 void (*reset_card) (struct lbs_private *priv);
109 int (*power_save) (struct lbs_private *priv);
110 int (*power_restore) (struct lbs_private *priv);
111 int (*enter_deep_sleep) (struct lbs_private *priv);
112 int (*exit_deep_sleep) (struct lbs_private *priv);
113 int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);
115 /* Adapter info (from EEPROM) */
119 u8 current_addr[ETH_ALEN];
122 /* Command download */
124 /* bit0 1/0=data_sent/data_tx_done,
125 bit1 1/0=cmd_sent/cmd_tx_done,
126 all other bits reserved 0 */
128 struct cmd_ctrl_node *cmd_array;
129 struct cmd_ctrl_node *cur_cmd;
130 struct list_head cmdfreeq; /* free command buffers */
131 struct list_head cmdpendingq; /* pending command buffers */
132 struct timer_list command_timer;
135 /* Command responses sent from the hardware to the driver */
137 u8 resp_buf[2][LBS_UPLD_SIZE];
140 /* Events sent from hardware to driver */
141 struct kfifo event_fifo;
143 /* thread to service interrupts */
144 struct task_struct *main_thread;
145 wait_queue_head_t waitq;
146 struct workqueue_struct *work_thread;
148 /* Encryption stuff */
151 u8 wep_key[4][WLAN_KEY_LEN_WEP104];
155 uint32_t wol_criteria;
158 bool ehs_remove_supported;
161 int tx_pending_len; /* -1 while building packet */
162 u8 tx_pending_buf[LBS_UPLD_SIZE];
163 /* protected by hard_start_xmit serialization */
165 struct sk_buff *currenttxskb;
166 struct timer_list tx_lockup_timer;
170 spinlock_t driver_lock;
172 /* NIC/link operation characteristics */
182 struct delayed_work scan_work;
184 /* Queue of things waiting for scan completion */
185 wait_queue_head_t scan_q;
186 /* Whether the scan was initiated internally and not by cfg80211 */
191 wait_queue_head_t fw_waitq;
192 struct device *fw_device;
193 const struct firmware *helper_fw;
194 const struct lbs_fw_table *fw_table;
195 const struct lbs_fw_table *fw_iter;
196 lbs_fw_cb fw_callback;
199 extern struct cmd_confirm_sleep confirm_sleep;
201 /* Check if there is an interface active. */
202 static inline int lbs_iface_active(struct lbs_private *priv)
206 r = netif_running(priv->dev);
208 r |= netif_running(priv->mesh_dev);