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Release 4.16 drivers/net/wireless/rsi/rsi_main.h

Directory: drivers/net/wireless/rsi
/**
 * Copyright (c) 2014 Redpine Signals Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef __RSI_MAIN_H__

#define __RSI_MAIN_H__

#include <linux/string.h>
#include <linux/skbuff.h>
#include <net/mac80211.h>


struct rsi_sta {
	
struct ieee80211_sta *sta;
	
s16 sta_id;
	
u16 seq_start[IEEE80211_NUM_TIDS];
	
bool start_tx_aggr[IEEE80211_NUM_TIDS];
};

struct rsi_hw;

#include "rsi_ps.h"


#define ERR_ZONE                        BIT(0)  
/* For Error Msgs             */

#define INFO_ZONE                       BIT(1)  
/* For General Status Msgs    */

#define INIT_ZONE                       BIT(2)  
/* For Driver Init Seq Msgs   */

#define MGMT_TX_ZONE                    BIT(3)  
/* For TX Mgmt Path Msgs      */

#define MGMT_RX_ZONE                    BIT(4)  
/* For RX Mgmt Path Msgs      */

#define DATA_TX_ZONE                    BIT(5)  
/* For TX Data Path Msgs      */

#define DATA_RX_ZONE                    BIT(6)  
/* For RX Data Path Msgs      */

#define FSM_ZONE                        BIT(7)  
/* For State Machine Msgs     */

#define ISR_ZONE                        BIT(8)  
/* For Interrupt Msgs         */


enum RSI_FSM_STATES {
	
FSM_FW_NOT_LOADED,
	
FSM_CARD_NOT_READY,
	
FSM_COMMON_DEV_PARAMS_SENT,
	
FSM_BOOT_PARAMS_SENT,
	
FSM_EEPROM_READ_MAC_ADDR,
	
FSM_EEPROM_READ_RF_TYPE,
	
FSM_RESET_MAC_SENT,
	
FSM_RADIO_CAPS_SENT,
	
FSM_BB_RF_PROG_SENT,
	
FSM_MAC_INIT_DONE,

	
NUM_FSM_STATES
};

extern u32 rsi_zone_enabled;
extern __printf(2, 3) void rsi_dbg(u32 zone, const char *fmt, ...);


#define RSI_MAX_VIFS                    3

#define NUM_EDCA_QUEUES                 4

#define IEEE80211_ADDR_LEN              6

#define FRAME_DESC_SZ                   16

#define MIN_802_11_HDR_LEN              24

#define RSI_DEF_KEEPALIVE               90

#define RSI_WOW_KEEPALIVE                5

#define RSI_BCN_MISS_THRESHOLD           24


#define DATA_QUEUE_WATER_MARK           400

#define MIN_DATA_QUEUE_WATER_MARK       300

#define MULTICAST_WATER_MARK            200

#define MAC_80211_HDR_FRAME_CONTROL     0

#define WME_NUM_AC                      4

#define NUM_SOFT_QUEUES                 6

#define MAX_HW_QUEUES                   12

#define INVALID_QUEUE                   0xff

#define MAX_CONTINUOUS_VO_PKTS          8

#define MAX_CONTINUOUS_VI_PKTS          4

/* Hardware queue info */

#define BROADCAST_HW_Q			9

#define MGMT_HW_Q			10

#define BEACON_HW_Q			11

/* Queue information */

#define RSI_COEX_Q			0x0

#define RSI_WIFI_MGMT_Q                 0x4

#define RSI_WIFI_DATA_Q                 0x5

#define IEEE80211_MGMT_FRAME            0x00

#define IEEE80211_CTL_FRAME             0x04


#define RSI_MAX_ASSOC_STAS		32

#define IEEE80211_QOS_TID               0x0f

#define IEEE80211_NONQOS_TID            16


#define MAX_DEBUGFS_ENTRIES             4


#define TID_TO_WME_AC(_tid) (      \
        ((_tid) == 0 || (_tid) == 3) ? BE_Q : \
        ((_tid) < 3) ? BK_Q : \
        ((_tid) < 6) ? VI_Q : \
        VO_Q)


#define WME_AC(_q) (    \
        ((_q) == BK_Q) ? IEEE80211_AC_BK : \
        ((_q) == BE_Q) ? IEEE80211_AC_BE : \
        ((_q) == VI_Q) ? IEEE80211_AC_VI : \
        IEEE80211_AC_VO)

/* WoWLAN flags */

#define RSI_WOW_ENABLED			BIT(0)

#define RSI_WOW_NO_CONNECTION		BIT(1)


#define RSI_DEV_9113		1


struct version_info {
	
u16 major;
	
u16 minor;
	
u8 release_num;
	
u8 patch_num;
	
union {
		
struct {
			
u8 fw_ver[8];
		
} info;
	
} ver;

} __packed;


struct skb_info {
	
s8 rssi;
	
u32 flags;
	
u16 channel;
	
s8 tid;
	
s8 sta_id;
	
u8 internal_hdr_size;
	
struct ieee80211_vif *vif;
	
u8 vap_id;
};


enum edca_queue {
	
BK_Q,
	
BE_Q,
	
VI_Q,
	
VO_Q,
	
MGMT_SOFT_Q,
	
MGMT_BEACON_Q
};


struct security_info {
	
bool security_enable;
	
u32 ptk_cipher;
	
u32 gtk_cipher;
};


struct wmm_qinfo {
	
s32 weight;
	
s32 wme_params;
	
s32 pkt_contended;
	
s32 txop;
};


struct transmit_q_stats {
	
u32 total_tx_pkt_send[NUM_EDCA_QUEUES + 2];
	
u32 total_tx_pkt_freed[NUM_EDCA_QUEUES + 2];
};


struct vif_priv {
	
bool is_ht;
	
bool sgi;
	
u16 seq_start;
	
int vap_id;
};


struct rsi_event {
	
atomic_t event_condition;
	
wait_queue_head_t event_queue;
};


struct rsi_thread {
	
void (*thread_function)(void *);
	
struct completion completion;
	
struct task_struct *task;
	
struct rsi_event event;
	
atomic_t thread_done;
};


struct cqm_info {
	
s8 last_cqm_event_rssi;
	
int rssi_thold;
	
u32 rssi_hyst;
};


struct xtended_desc {
	
u8 confirm_frame_type;
	
u8 retry_cnt;
	
u16 reserved;
};


enum rsi_dfs_regions {
	
RSI_REGION_FCC = 0,
	
RSI_REGION_ETSI,
	
RSI_REGION_TELEC,
	
RSI_REGION_WORLD
};


struct rsi_common {
	
struct rsi_hw *priv;
	
struct vif_priv vif_info[RSI_MAX_VIFS];

	
bool mgmt_q_block;
	
struct version_info lmac_ver;

	
struct rsi_thread tx_thread;
	
struct sk_buff_head tx_queue[NUM_EDCA_QUEUES + 2];
	
struct completion wlan_init_completion;
	/* Mutex declaration */
	
struct mutex mutex;
	/* Mutex used for tx thread */
	
struct mutex tx_lock;
	/* Mutex used for rx thread */
	
struct mutex rx_lock;
	
u8 endpoint;

	/* Channel/band related */
	
u8 band;
	
u8 num_supp_bands;
	
u8 channel_width;

	
u16 rts_threshold;
	
u16 bitrate_mask[2];
	
u32 fixedrate_mask[2];

	
u8 rf_reset;
	
struct transmit_q_stats tx_stats;
	
struct security_info secinfo;
	
struct wmm_qinfo tx_qinfo[NUM_EDCA_QUEUES];
	
struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
	
u8 mac_addr[IEEE80211_ADDR_LEN];

	/* state related */
	
u32 fsm_state;
	
bool init_done;
	
u8 bb_rf_prog_count;
	
bool iface_down;

	/* Generic */
	
u8 channel;
	
u8 *rx_data_pkt;
	
u8 mac_id;
	
u8 radio_id;
	
u16 rate_pwr[20];
	
u16 min_rate;

	/* WMM algo related */
	
u8 selected_qnum;
	
u32 pkt_cnt;
	
u8 min_weight;

	/* bgscan related */
	
struct cqm_info cqm_info;

	
bool hw_data_qs_blocked;
	
u8 driver_mode;
	
u8 coex_mode;
	
u16 oper_mode;
	
u8 lp_ps_handshake_mode;
	
u8 ulp_ps_handshake_mode;
	
u8 uapsd_bitmap;
	
u8 rf_power_val;
	
u8 wlan_rf_power_mode;
	
u8 obm_ant_sel_val;
	
int tx_power;
	
u8 ant_in_use;
	
bool hibernate_resume;
	
bool reinit_hw;
	
u8 wow_flags;
	
u16 beacon_interval;
	
u8 dtim_cnt;

	/* AP mode parameters */
	
u8 beacon_enabled;
	
u16 beacon_cnt;
	
struct rsi_sta stations[RSI_MAX_ASSOC_STAS + 1];
	
int num_stations;
	
int max_stations;
	
struct ieee80211_key_conf *key;

	/* Wi-Fi direct mode related */
	
bool p2p_enabled;
	
struct timer_list roc_timer;
	
struct ieee80211_vif *roc_vif;
};


enum host_intf {
	
RSI_HOST_INTF_SDIO = 0,
	
RSI_HOST_INTF_USB
};


struct eepromrw_info {
	
u32 offset;
	
u32 length;
	
u8  write;
	
u16 eeprom_erase;
	
u8 data[480];
};


struct eeprom_read {
	
u16 length;
	
u16 off_set;
};


struct rsi_hw {
	
struct rsi_common *priv;
	
u8 device_model;
	
struct ieee80211_hw *hw;
	
struct ieee80211_vif *vifs[RSI_MAX_VIFS];
	
struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
	
struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];

	
struct device *device;
	
u8 sc_nvifs;

	
enum host_intf rsi_host_intf;
	
u16 block_size;
	
enum ps_state ps_state;
	
struct rsi_ps_info ps_info;
	
spinlock_t ps_lock; /*To protect power save config*/
	
u32 usb_buffer_status_reg;
#ifdef CONFIG_RSI_DEBUGFS
	
struct rsi_debugfs *dfsentry;
	
u8 num_debugfs_entries;
#endif
	
char *fw_file_name;
	
struct timer_list bl_cmd_timer;
	
bool blcmd_timer_expired;
	
u32 flash_capacity;
	
struct eepromrw_info eeprom;
	
u32 interrupt_status;
	
u8 dfs_region;
	
char country[2];
	
void *rsi_dev;
	
struct rsi_host_intf_ops *host_intf_ops;
	
int (*check_hw_queue_status)(struct rsi_hw *adapter, u8 q_num);
	
int (*rx_urb_submit)(struct rsi_hw *adapter);
	
int (*determine_event_timeout)(struct rsi_hw *adapter);
};

void rsi_print_version(struct rsi_common *common);


struct rsi_host_intf_ops {
	
int (*read_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
	
int (*write_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
	
int (*master_access_msword)(struct rsi_hw *adapter, u16 ms_word);
	
int (*read_reg_multiple)(struct rsi_hw *adapter, u32 addr,
				 u8 *data, u16 count);
	
int (*write_reg_multiple)(struct rsi_hw *adapter, u32 addr,
				  u8 *data, u16 count);
	
int (*master_reg_read)(struct rsi_hw *adapter, u32 addr,
			       u32 *read_buf, u16 size);
	
int (*master_reg_write)(struct rsi_hw *adapter,
				unsigned long addr, unsigned long data,
				u16 size);
	
int (*load_data_master_write)(struct rsi_hw *adapter, u32 addr,
				      u32 instructions_size, u16 block_size,
				      u8 *fw);
	
int (*reinit_device)(struct rsi_hw *adapter);
};
#endif

Overall Contributors
PersonTokensPropCommitsCommitProp
Fariya Fatima61351.95%12.63%


Prameela Rani Garnepudi41835.42%2155.26%


Karun Eagalapati776.53%821.05%


Pavani Muthyala282.37%12.63%


Jahnavi Meher252.12%25.26%


Amitkumar Karwar131.10%25.26%


Joe Perches40.34%12.63%


John W. Linville10.08%12.63%


Johannes Berg10.08%12.63%


Total1180100.00%38100.00%


Directory: drivers/net/wireless/rsi



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