dev.h

  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(priv->dev);
202	if (priv->mesh_dev)
203		r |= netif_running(priv->mesh_dev);
204
205	return r;
206}
207
208#endif