cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/wireless/rsi/rsi_main.h

/**
 * 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>


#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         */


#define FSM_CARD_NOT_READY              0

#define FSM_BOOT_PARAMS_SENT            1

#define FSM_EEPROM_READ_MAC_ADDR        2

#define FSM_RESET_MAC_SENT              3

#define FSM_RADIO_CAPS_SENT             4

#define FSM_BB_RF_PROG_SENT             5

#define FSM_MAC_INIT_DONE               6

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


#define RSI_MAX_VIFS                    1

#define NUM_EDCA_QUEUES                 4

#define IEEE80211_ADDR_LEN              6

#define FRAME_DESC_SZ                   16

#define MIN_802_11_HDR_LEN              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                 5

#define MAX_HW_QUEUES                   8

#define INVALID_QUEUE                   0xff

#define MAX_CONTINUOUS_VO_PKTS          8

#define MAX_CONTINUOUS_VI_PKTS          4

/* Queue information */

#define RSI_WIFI_MGMT_Q                 0x4

#define RSI_WIFI_DATA_Q                 0x5

#define IEEE80211_MGMT_FRAME            0x00

#define IEEE80211_CTL_FRAME             0x04


#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)


struct version_info {
	
u16 major;
	
u16 minor;
	
u16 release_num;
	
u16 patch_num;
} 
__packed;


struct skb_info {
	
s8 rssi;
	
u32 flags;
	
u16 channel;
	
s8 tid;
	
s8 sta_id;
};


enum edca_queue {
	
BK_Q,
	
BE_Q,
	
VI_Q,
	
VO_Q,
	
MGMT_SOFT_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 + 1];
	
u32 total_tx_pkt_freed[NUM_EDCA_QUEUES + 1];
};


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


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 rsi_hw;


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

	
bool mgmt_q_block;
	
struct version_info driver_ver;
	
struct version_info fw_ver;

	
struct rsi_thread tx_thread;
	
struct sk_buff_head tx_queue[NUM_EDCA_QUEUES + 1];
	/* Mutex declaration */
	
struct mutex mutex;
	/* Mutex used between tx/rx threads */
	
struct mutex tx_rxlock;
	
u8 endpoint;

	/* Channel/band related */
	
u8 band;
	
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;
	
	
int tx_power;
	
u8 ant_in_use;
};


struct rsi_hw {
	
struct rsi_common *priv;
	
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;

#ifdef CONFIG_RSI_DEBUGFS
	
struct rsi_debugfs *dfsentry;
	
u8 num_debugfs_entries;
#endif
	
u8 dfs_region;
	
void *rsi_dev;
	
int (*host_intf_read_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
	
int (*host_intf_write_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
	
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);
};
#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Fariya Fatima66294.30%111.11%
Jahnavi Meher253.56%222.22%
Prameela Rani Garnepudi91.28%333.33%
Joe Perches40.57%111.11%
Johannes Berg10.14%111.11%
John W. Linville10.14%111.11%
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