linux/drivers/staging/wilc1000/wilc_wfi_netdevice.h
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   1/*!
   2 *  @file       wilc_wfi_netdevice.h
   3 *  @brief      Definitions for the network module
   4 *  @author     mdaftedar
   5 *  @date       01 MAR 2012
   6 *  @version    1.0
   7 */
   8#ifndef WILC_WFI_NETDEVICE
   9#define WILC_WFI_NETDEVICE
  10
  11#define WILC_WFI_RX_INTR 0x0001
  12#define WILC_WFI_TX_INTR 0x0002
  13
  14#define WILC_WFI_TIMEOUT 5
  15#define WILC_MAX_NUM_PMKIDS  16
  16#define PMKID_LEN  16
  17#define PMKID_FOUND 1
  18 #define NUM_STA_ASSOCIATED 8
  19
  20#include <linux/module.h>
  21#include <linux/init.h>
  22#include <linux/moduleparam.h>
  23#include <linux/sched.h>
  24#include <linux/kernel.h>
  25#include <linux/slab.h>
  26#include <linux/errno.h>
  27#include <linux/types.h>
  28#include <linux/interrupt.h>
  29#include <linux/time.h>
  30#include <linux/in.h>
  31#include <linux/netdevice.h>
  32#include <linux/etherdevice.h>
  33#include <linux/ip.h>
  34#include <linux/tcp.h>
  35#include <linux/skbuff.h>
  36#include <linux/ieee80211.h>
  37#include <net/cfg80211.h>
  38#include <net/ieee80211_radiotap.h>
  39#include <linux/if_arp.h>
  40#include <linux/in6.h>
  41#include <asm/checksum.h>
  42#include "host_interface.h"
  43#include "wilc_wlan.h"
  44#include <linux/wireless.h>
  45#include <linux/completion.h>
  46#include <linux/mutex.h>
  47
  48#define FLOW_CONTROL_LOWER_THRESHOLD    128
  49#define FLOW_CONTROL_UPPER_THRESHOLD    256
  50
  51enum stats_flags {
  52        WILC_WFI_RX_PKT = BIT(0),
  53        WILC_WFI_TX_PKT = BIT(1),
  54};
  55
  56struct WILC_WFI_stats {
  57        unsigned long rx_packets;
  58        unsigned long tx_packets;
  59        unsigned long rx_bytes;
  60        unsigned long tx_bytes;
  61        u64 rx_time;
  62        u64 tx_time;
  63
  64};
  65
  66/*
  67 * This structure is private to each device. It is used to pass
  68 * packets in and out, so there is place for a packet
  69 */
  70
  71#define num_reg_frame 2
  72
  73struct wilc_wfi_key {
  74        u8 *key;
  75        u8 *seq;
  76        int key_len;
  77        int seq_len;
  78        u32 cipher;
  79};
  80
  81struct wilc_wfi_wep_key {
  82        u8 *key;
  83        u8 key_len;
  84        u8 key_idx;
  85};
  86
  87struct sta_info {
  88        u8 au8Sta_AssociatedBss[MAX_NUM_STA][ETH_ALEN];
  89};
  90
  91/*Parameters needed for host interface for  remaining on channel*/
  92struct wilc_wfi_p2pListenParams {
  93        struct ieee80211_channel *pstrListenChan;
  94        enum nl80211_channel_type tenuChannelType;
  95        u32 u32ListenDuration;
  96        u64 u64ListenCookie;
  97        u32 u32ListenSessionID;
  98};
  99
 100struct wilc_priv {
 101        struct wireless_dev *wdev;
 102        struct cfg80211_scan_request *pstrScanReq;
 103
 104        struct wilc_wfi_p2pListenParams strRemainOnChanParams;
 105        u64 u64tx_cookie;
 106
 107        bool bCfgScanning;
 108        u32 u32RcvdChCount;
 109
 110        u8 au8AssociatedBss[ETH_ALEN];
 111        struct sta_info assoc_stainfo;
 112        struct net_device_stats stats;
 113        u8 monitor_flag;
 114        int status;
 115        struct WILC_WFI_packet *ppool;
 116        struct WILC_WFI_packet *rx_queue; /* List of incoming packets */
 117        int rx_int_enabled;
 118        int tx_packetlen;
 119        u8 *tx_packetdata;
 120        struct sk_buff *skb;
 121        spinlock_t lock;
 122        struct net_device *dev;
 123        struct napi_struct napi;
 124        struct host_if_drv *hif_drv;
 125        struct host_if_pmkid_attr pmkid_list;
 126        struct WILC_WFI_stats netstats;
 127        u8 WILC_WFI_wep_key[4][WLAN_KEY_LEN_WEP104];
 128        u8 WILC_WFI_wep_key_len[4];
 129        /* The real interface that the monitor is on */
 130        struct net_device *real_ndev;
 131        struct wilc_wfi_key *wilc_gtk[MAX_NUM_STA];
 132        struct wilc_wfi_key *wilc_ptk[MAX_NUM_STA];
 133        u8 wilc_groupkey;
 134        /* mutexes */
 135        struct mutex scan_req_lock;
 136        /*  */
 137        bool gbAutoRateAdjusted;
 138
 139        bool bInP2PlistenState;
 140
 141};
 142
 143struct frame_reg {
 144        u16 type;
 145        bool reg;
 146};
 147
 148struct wilc_vif {
 149        u8 idx;
 150        u8 iftype;
 151        int monitor_flag;
 152        int mac_opened;
 153        struct frame_reg frame_reg[num_reg_frame];
 154        struct net_device_stats netstats;
 155        struct wilc *wilc;
 156        u8 src_addr[ETH_ALEN];
 157        u8 bssid[ETH_ALEN];
 158        struct host_if_drv *hif_drv;
 159        struct net_device *ndev;
 160        u8 mode;
 161        u8 ifc_id;
 162};
 163
 164struct wilc {
 165        const struct wilc_hif_func *hif_func;
 166        int io_type;
 167        int mac_status;
 168        int gpio;
 169        bool initialized;
 170        int dev_irq_num;
 171        int close;
 172        u8 vif_num;
 173        struct wilc_vif *vif[NUM_CONCURRENT_IFC];
 174        u8 open_ifcs;
 175
 176        struct mutex txq_add_to_head_cs;
 177        spinlock_t txq_spinlock;
 178
 179        struct mutex rxq_cs;
 180        struct mutex hif_cs;
 181
 182        struct completion cfg_event;
 183        struct completion sync_event;
 184        struct completion txq_event;
 185        struct completion txq_thread_started;
 186
 187        struct task_struct *txq_thread;
 188
 189        int quit;
 190        int cfg_frame_in_use;
 191        struct wilc_cfg_frame cfg_frame;
 192        u32 cfg_frame_offset;
 193        int cfg_seq_no;
 194
 195        u8 *rx_buffer;
 196        u32 rx_buffer_offset;
 197        u8 *tx_buffer;
 198
 199        unsigned long txq_spinlock_flags;
 200
 201        struct txq_entry_t *txq_head;
 202        struct txq_entry_t *txq_tail;
 203        int txq_entries;
 204        int txq_exit;
 205
 206        struct rxq_entry_t *rxq_head;
 207        struct rxq_entry_t *rxq_tail;
 208        int rxq_entries;
 209        int rxq_exit;
 210
 211        unsigned char eth_src_address[NUM_CONCURRENT_IFC][6];
 212
 213        const struct firmware *firmware;
 214
 215        struct device *dev;
 216        bool suspend_event;
 217
 218        struct rf_info dummy_statistics;
 219};
 220
 221struct WILC_WFI_mon_priv {
 222        struct net_device *real_ndev;
 223};
 224
 225int wilc1000_wlan_init(struct net_device *dev, struct wilc_vif *vif);
 226
 227void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset);
 228void wilc_mac_indicate(struct wilc *wilc, int flag);
 229void wilc_netdev_cleanup(struct wilc *wilc);
 230int wilc_netdev_init(struct wilc **wilc, struct device *, int io_type, int gpio,
 231                     const struct wilc_hif_func *ops);
 232void wilc1000_wlan_deinit(struct net_device *dev);
 233void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size);
 234int wilc_wlan_get_firmware(struct net_device *dev);
 235int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode);
 236
 237#endif
 238