drivers/staging/wilc1000/wilc_wfi_netdevice.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*!
   3  *  @file       wilc_wfi_netdevice.h
   4  *  @brief      Definitions for the network module
   5  *  @author     mdaftedar
   6  *  @date       01 MAR 2012
   7  *  @version    1.0
   8  */
   9 #ifndef WILC_WFI_NETDEVICE
  10 #define WILC_WFI_NETDEVICE
  11
  12 #define WILC_WFI_RX_INTR 0x0001
  13 #define WILC_WFI_TX_INTR 0x0002
  14
  15 #define WILC_WFI_TIMEOUT 5
  16 #define WILC_MAX_NUM_PMKIDS  16
  17 #define PMKID_LEN  16
  18 #define PMKID_FOUND 1
  19  #define NUM_STA_ASSOCIATED 8
  20
  21 #include <linux/module.h>
  22 #include <linux/init.h>
  23 #include <linux/moduleparam.h>
  24 #include <linux/sched.h>
  25 #include <linux/kernel.h>
  26 #include <linux/slab.h>
  27 #include <linux/errno.h>
  28 #include <linux/types.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/time.h>
  31 #include <linux/in.h>
  32 #include <linux/netdevice.h>
  33 #include <linux/etherdevice.h>
  34 #include <linux/ip.h>
  35 #include <linux/tcp.h>
  36 #include <linux/skbuff.h>
  37 #include <linux/ieee80211.h>
  38 #include <net/cfg80211.h>
  39 #include <net/ieee80211_radiotap.h>
  40 #include <linux/if_arp.h>
  41 #include <linux/in6.h>
  42 #include <asm/checksum.h>
  43 #include "host_interface.h"
  44 #include "wilc_wlan.h"
  45 #include <linux/wireless.h>
  46 #include <linux/completion.h>
  47 #include <linux/mutex.h>
  48
  49 #define FLOW_CONTROL_LOWER_THRESHOLD    128
  50 #define FLOW_CONTROL_UPPER_THRESHOLD    256
  51
  52 enum stats_flags {
  53         WILC_WFI_RX_PKT = BIT(0),
  54         WILC_WFI_TX_PKT = BIT(1),
  55 };
  56
  57 struct WILC_WFI_stats {
  58         unsigned long rx_packets;
  59         unsigned long tx_packets;
  60         unsigned long rx_bytes;
  61         unsigned long tx_bytes;
  62         u64 rx_time;
  63         u64 tx_time;
  64
  65 };
  66
  67 /*
  68  * This structure is private to each device. It is used to pass
  69  * packets in and out, so there is place for a packet
  70  */
  71
  72 #define num_reg_frame 2
  73
  74 struct wilc_wfi_key {
  75         u8 *key;
  76         u8 *seq;
  77         int key_len;
  78         int seq_len;
  79         u32 cipher;
  80 };
  81
  82 struct wilc_wfi_wep_key {
  83         u8 *key;
  84         u8 key_len;
  85         u8 key_idx;
  86 };
  87
  88 struct sta_info {
  89         u8 au8Sta_AssociatedBss[MAX_NUM_STA][ETH_ALEN];
  90 };
  91
  92 /*Parameters needed for host interface for  remaining on channel*/
  93 struct wilc_wfi_p2pListenParams {
  94         struct ieee80211_channel *pstrListenChan;
  95         enum nl80211_channel_type tenuChannelType;
  96         u32 u32ListenDuration;
  97         u64 u64ListenCookie;
  98         u32 u32ListenSessionID;
  99 };
 100
 101 struct wilc_priv {
 102         struct wireless_dev *wdev;
 103         struct cfg80211_scan_request *pstrScanReq;
 104
 105         struct wilc_wfi_p2pListenParams strRemainOnChanParams;
 106         u64 u64tx_cookie;
 107
 108         bool bCfgScanning;
 109         u32 u32RcvdChCount;
 110
 111         u8 au8AssociatedBss[ETH_ALEN];
 112         struct sta_info assoc_stainfo;
 113         struct net_device_stats stats;
 114         u8 monitor_flag;
 115         int status;
 116         struct WILC_WFI_packet *ppool;
 117         struct WILC_WFI_packet *rx_queue; /* List of incoming packets */
 118         int rx_int_enabled;
 119         int tx_packetlen;
 120         u8 *tx_packetdata;
 121         struct sk_buff *skb;
 122         spinlock_t lock;
 123         struct net_device *dev;
 124         struct napi_struct napi;
 125         struct host_if_drv *hif_drv;
 126         struct host_if_pmkid_attr pmkid_list;
 127         struct WILC_WFI_stats netstats;
 128         u8 WILC_WFI_wep_key[4][WLAN_KEY_LEN_WEP104];
 129         u8 WILC_WFI_wep_key_len[4];
 130         /* The real interface that the monitor is on */
 131         struct net_device *real_ndev;
 132         struct wilc_wfi_key *wilc_gtk[MAX_NUM_STA];
 133         struct wilc_wfi_key *wilc_ptk[MAX_NUM_STA];
 134         u8 wilc_groupkey;
 135         /* mutexes */
 136         struct mutex scan_req_lock;
 137         /*  */
 138         bool gbAutoRateAdjusted;
 139
 140         bool bInP2PlistenState;
 141
 142 };
 143
 144 struct frame_reg {
 145         u16 type;
 146         bool reg;
 147 };
 148
 149 struct wilc_vif {
 150         u8 idx;
 151         u8 iftype;
 152         int monitor_flag;
 153         int mac_opened;
 154         struct frame_reg frame_reg[num_reg_frame];
 155         struct net_device_stats netstats;
 156         struct wilc *wilc;
 157         u8 src_addr[ETH_ALEN];
 158         u8 bssid[ETH_ALEN];
 159         struct host_if_drv *hif_drv;
 160         struct net_device *ndev;
 161         u8 mode;
 162         u8 ifc_id;
 163 };
 164
 165 struct wilc {
 166         const struct wilc_hif_func *hif_func;
 167         int io_type;
 168         int mac_status;
 169         int gpio;
 170         bool initialized;
 171         int dev_irq_num;
 172         int close;
 173         u8 vif_num;
 174         struct wilc_vif *vif[NUM_CONCURRENT_IFC];
 175         u8 open_ifcs;
 176
 177         struct mutex txq_add_to_head_cs;
 178         spinlock_t txq_spinlock;
 179
 180         struct mutex rxq_cs;
 181         struct mutex hif_cs;
 182
 183         struct completion cfg_event;
 184         struct completion sync_event;
 185         struct completion txq_event;
 186         struct completion txq_thread_started;
 187
 188         struct task_struct *txq_thread;
 189
 190         int quit;
 191         int cfg_frame_in_use;
 192         struct wilc_cfg_frame cfg_frame;
 193         u32 cfg_frame_offset;
 194         int cfg_seq_no;
 195
 196         u8 *rx_buffer;
 197         u32 rx_buffer_offset;
 198         u8 *tx_buffer;
 199
 200         unsigned long txq_spinlock_flags;
 201
 202         struct txq_entry_t *txq_head;
 203         struct txq_entry_t *txq_tail;
 204         int txq_entries;
 205         int txq_exit;
 206
 207         struct rxq_entry_t *rxq_head;
 208         struct rxq_entry_t *rxq_tail;
 209         int rxq_entries;
 210         int rxq_exit;
 211
 212         unsigned char eth_src_address[NUM_CONCURRENT_IFC][6];
 213
 214         const struct firmware *firmware;
 215
 216         struct device *dev;
 217         bool suspend_event;
 218
 219         struct rf_info dummy_statistics;
 220 };
 221
 222 struct WILC_WFI_mon_priv {
 223         struct net_device *real_ndev;
 224 };
 225
 226 int wilc1000_wlan_init(struct net_device *dev, struct wilc_vif *vif);
 227
 228 void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset);
 229 void wilc_mac_indicate(struct wilc *wilc, int flag);
 230 void wilc_netdev_cleanup(struct wilc *wilc);
 231 int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
 232                      int gpio, const struct wilc_hif_func *ops);
 233 void wilc1000_wlan_deinit(struct net_device *dev);
 234 void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size);
 235 int wilc_wlan_get_firmware(struct net_device *dev);
 236 int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode);
 237
 238 #endif