drivers/staging/wilc1000/wilc_wfi_netdevice.h

   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
  51 enum stats_flags {
  52         WILC_WFI_RX_PKT = BIT(0),
  53         WILC_WFI_TX_PKT = BIT(1),
  54 };
  55
  56 struct 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
  73 struct wilc_wfi_key {
  74         u8 *key;
  75         u8 *seq;
  76         int key_len;
  77         int seq_len;
  78         u32 cipher;
  79 };
  80
  81 struct wilc_wfi_wep_key {
  82         u8 *key;
  83         u8 key_len;
  84         u8 key_idx;
  85 };
  86
  87 struct sta_info {
  88         u8 au8Sta_AssociatedBss[MAX_NUM_STA][ETH_ALEN];
  89 };
  90
  91 /*Parameters needed for host interface for  remaining on channel*/
  92 struct 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
 100 struct 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
 143 struct frame_reg {
 144         u16 type;
 145         bool reg;
 146 };
 147
 148 struct 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
 164 struct 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
 221 struct WILC_WFI_mon_priv {
 222         struct net_device *real_ndev;
 223 };
 224
 225 int wilc1000_wlan_init(struct net_device *dev, struct wilc_vif *vif);
 226
 227 void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset);
 228 void wilc_mac_indicate(struct wilc *wilc, int flag);
 229 void wilc_netdev_cleanup(struct wilc *wilc);
 230 int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
 231                      int gpio, const struct wilc_hif_func *ops);
 232 void wilc1000_wlan_deinit(struct net_device *dev);
 233 void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size);
 234 int wilc_wlan_get_firmware(struct net_device *dev);
 235 int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode);
 236
 237 #endif