LXR linux/drivers/net/ps3_gelic

   1/*
   2 *  PS3 gelic network driver.
   3 *
   4 * Copyright (C) 2007 Sony Computer Entertainment Inc.
   5 * Copyright 2007 Sony Corporation
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation version 2.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20#ifndef _GELIC_WIRELESS_H
  21#define _GELIC_WIRELESS_H
  22
  23#include <linux/wireless.h>
  24#include <net/iw_handler.h>
  25
  26
  27/* return value from  GELIC_LV1_GET_WLAN_EVENT netcontrol */
  28enum gelic_lv1_wl_event {
  29        GELIC_LV1_WL_EVENT_DEVICE_READY   = 0x01, /* Eurus ready */
  30        GELIC_LV1_WL_EVENT_SCAN_COMPLETED = 0x02, /* Scan has completed */
  31        GELIC_LV1_WL_EVENT_DEAUTH         = 0x04, /* Deauthed by the AP */
  32        GELIC_LV1_WL_EVENT_BEACON_LOST    = 0x08, /* Beacon lost detected */
  33        GELIC_LV1_WL_EVENT_CONNECTED      = 0x10, /* Connected to AP */
  34        GELIC_LV1_WL_EVENT_WPA_CONNECTED  = 0x20, /* WPA connection */
  35        GELIC_LV1_WL_EVENT_WPA_ERROR      = 0x40, /* MIC error */
  36};
  37
  38/* arguments for GELIC_LV1_POST_WLAN_COMMAND netcontrol */
  39enum gelic_eurus_command {
  40        GELIC_EURUS_CMD_ASSOC           =  1, /* association start */
  41        GELIC_EURUS_CMD_DISASSOC        =  2, /* disassociate      */
  42        GELIC_EURUS_CMD_START_SCAN      =  3, /* scan start        */
  43        GELIC_EURUS_CMD_GET_SCAN        =  4, /* get scan result   */
  44        GELIC_EURUS_CMD_SET_COMMON_CFG  =  5, /* set common config */
  45        GELIC_EURUS_CMD_GET_COMMON_CFG  =  6, /* set common config */
  46        GELIC_EURUS_CMD_SET_WEP_CFG     =  7, /* set WEP config    */
  47        GELIC_EURUS_CMD_GET_WEP_CFG     =  8, /* get WEP config    */
  48        GELIC_EURUS_CMD_SET_WPA_CFG     =  9, /* set WPA config    */
  49        GELIC_EURUS_CMD_GET_WPA_CFG     = 10, /* get WPA config    */
  50        GELIC_EURUS_CMD_GET_RSSI_CFG    = 11, /* get RSSI info.    */
  51        GELIC_EURUS_CMD_MAX_INDEX
  52};
  53
  54/* for GELIC_EURUS_CMD_COMMON_CFG */
  55enum gelic_eurus_bss_type {
  56        GELIC_EURUS_BSS_INFRA = 0,
  57        GELIC_EURUS_BSS_ADHOC = 1, /* not supported */
  58};
  59
  60enum gelic_eurus_auth_method {
  61        GELIC_EURUS_AUTH_OPEN = 0, /* FIXME: WLAN_AUTH_OPEN */
  62        GELIC_EURUS_AUTH_SHARED = 1, /* not supported */
  63};
  64
  65enum gelic_eurus_opmode {
  66        GELIC_EURUS_OPMODE_11BG = 0, /* 802.11b/g */
  67        GELIC_EURUS_OPMODE_11B = 1, /* 802.11b only */
  68        GELIC_EURUS_OPMODE_11G = 2, /* 802.11g only */
  69};
  70
  71struct gelic_eurus_common_cfg {
  72        /* all fields are big endian */
  73        u16 scan_index;
  74        u16 bss_type;    /* infra or adhoc */
  75        u16 auth_method; /* shared key or open */
  76        u16 op_mode; /* B/G */
  77} __packed;
  78
  79
  80/* for GELIC_EURUS_CMD_WEP_CFG */
  81enum gelic_eurus_wep_security {
  82        GELIC_EURUS_WEP_SEC_NONE        = 0,
  83        GELIC_EURUS_WEP_SEC_40BIT       = 1,
  84        GELIC_EURUS_WEP_SEC_104BIT      = 2,
  85};
  86
  87struct gelic_eurus_wep_cfg {
  88        /* all fields are big endian */
  89        u16 security;
  90        u8 key[4][16];
  91} __packed;
  92
  93/* for GELIC_EURUS_CMD_WPA_CFG */
  94enum gelic_eurus_wpa_security {
  95        GELIC_EURUS_WPA_SEC_NONE                = 0x0000,
  96        /* group=TKIP, pairwise=TKIP */
  97        GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP       = 0x0001,
  98        /* group=AES, pairwise=AES */
  99        GELIC_EURUS_WPA_SEC_WPA_AES_AES         = 0x0002,
 100        /* group=TKIP, pairwise=TKIP */
 101        GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP      = 0x0004,
 102        /* group=AES, pairwise=AES */
 103        GELIC_EURUS_WPA_SEC_WPA2_AES_AES        = 0x0008,
 104        /* group=TKIP, pairwise=AES */
 105        GELIC_EURUS_WPA_SEC_WPA_TKIP_AES        = 0x0010,
 106        /* group=TKIP, pairwise=AES */
 107        GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES       = 0x0020,
 108};
 109
 110enum gelic_eurus_wpa_psk_type {
 111        GELIC_EURUS_WPA_PSK_PASSPHRASE  = 0, /* passphrase string   */
 112        GELIC_EURUS_WPA_PSK_BIN         = 1, /* 32 bytes binary key */
 113};
 114
 115#define GELIC_WL_EURUS_PSK_MAX_LEN      64
 116#define WPA_PSK_LEN                     32 /* WPA spec says 256bit */
 117
 118struct gelic_eurus_wpa_cfg {
 119        /* all fields are big endian */
 120        u16 security;
 121        u16 psk_type; /* psk key encoding type */
 122        u8 psk[GELIC_WL_EURUS_PSK_MAX_LEN]; /* psk key; hex or passphrase */
 123} __packed;
 124
 125/* for GELIC_EURUS_CMD_{START,GET}_SCAN */
 126enum gelic_eurus_scan_capability {
 127        GELIC_EURUS_SCAN_CAP_ADHOC      = 0x0000,
 128        GELIC_EURUS_SCAN_CAP_INFRA      = 0x0001,
 129        GELIC_EURUS_SCAN_CAP_MASK       = 0x0001,
 130};
 131
 132enum gelic_eurus_scan_sec_type {
 133        GELIC_EURUS_SCAN_SEC_NONE       = 0x0000,
 134        GELIC_EURUS_SCAN_SEC_WEP        = 0x0100,
 135        GELIC_EURUS_SCAN_SEC_WPA        = 0x0200,
 136        GELIC_EURUS_SCAN_SEC_WPA2       = 0x0400,
 137        GELIC_EURUS_SCAN_SEC_MASK       = 0x0f00,
 138};
 139
 140enum gelic_eurus_scan_sec_wep_type {
 141        GELIC_EURUS_SCAN_SEC_WEP_UNKNOWN        = 0x0000,
 142        GELIC_EURUS_SCAN_SEC_WEP_40             = 0x0001,
 143        GELIC_EURUS_SCAN_SEC_WEP_104            = 0x0002,
 144        GELIC_EURUS_SCAN_SEC_WEP_MASK           = 0x0003,
 145};
 146
 147enum gelic_eurus_scan_sec_wpa_type {
 148        GELIC_EURUS_SCAN_SEC_WPA_UNKNOWN        = 0x0000,
 149        GELIC_EURUS_SCAN_SEC_WPA_TKIP           = 0x0001,
 150        GELIC_EURUS_SCAN_SEC_WPA_AES            = 0x0002,
 151        GELIC_EURUS_SCAN_SEC_WPA_MASK           = 0x0003,
 152};
 153
 154/*
 155 * hw BSS information structure returned from GELIC_EURUS_CMD_GET_SCAN
 156 */
 157struct gelic_eurus_scan_info {
 158        /* all fields are big endian */
 159        __be16 size;
 160        __be16 rssi; /* percentage */
 161        __be16 channel; /* channel number */
 162        __be16 beacon_period; /* FIXME: in msec unit */
 163        __be16 capability;
 164        __be16 security;
 165        u8  bssid[8]; /* last ETH_ALEN are valid. bssid[0],[1] are unused */
 166        u8  essid[32]; /* IW_ESSID_MAX_SIZE */
 167        u8  rate[16]; /* first 12 are valid */
 168        u8  ext_rate[16]; /* first 16 are valid */
 169        __be32 reserved1;
 170        __be32 reserved2;
 171        __be32 reserved3;
 172        __be32 reserved4;
 173        u8 elements[0]; /* ie */
 174} __packed;
 175
 176/* the hypervisor returns bbs up to 16 */
 177#define GELIC_EURUS_MAX_SCAN  (16)
 178struct gelic_wl_scan_info {
 179        struct list_head list;
 180        struct gelic_eurus_scan_info *hwinfo;
 181
 182        int valid; /* set 1 if this entry was in latest scanned list
 183                     * from Eurus */
 184        unsigned int eurus_index; /* index in the Eurus list */
 185        unsigned long last_scanned; /* acquired time */
 186
 187        unsigned int rate_len;
 188        unsigned int rate_ext_len;
 189        unsigned int essid_len;
 190};
 191
 192/* for GELIC_EURUS_CMD_GET_RSSI */
 193struct gelic_eurus_rssi_info {
 194        /* big endian */
 195        __be16 rssi;
 196} __packed;
 197
 198
 199/* for 'stat' member of gelic_wl_info */
 200enum gelic_wl_info_status_bit {
 201        GELIC_WL_STAT_CONFIGURED,
 202        GELIC_WL_STAT_CH_INFO,   /* ch info acquired */
 203        GELIC_WL_STAT_ESSID_SET, /* ESSID specified by userspace */
 204        GELIC_WL_STAT_BSSID_SET, /* BSSID specified by userspace */
 205        GELIC_WL_STAT_WPA_PSK_SET, /* PMK specified by userspace */
 206        GELIC_WL_STAT_WPA_LEVEL_SET, /* WEP or WPA[2] selected */
 207};
 208
 209/* for 'scan_stat' member of gelic_wl_info */
 210enum gelic_wl_scan_state {
 211        /* just initialized or get last scan result failed */
 212        GELIC_WL_SCAN_STAT_INIT,
 213        /* scan request issued, accepted or chip is scanning */
 214        GELIC_WL_SCAN_STAT_SCANNING,
 215        /* scan results retrieved */
 216        GELIC_WL_SCAN_STAT_GOT_LIST,
 217};
 218
 219/* for 'cipher_method' */
 220enum gelic_wl_cipher_method {
 221        GELIC_WL_CIPHER_NONE,
 222        GELIC_WL_CIPHER_WEP,
 223        GELIC_WL_CIPHER_TKIP,
 224        GELIC_WL_CIPHER_AES,
 225};
 226
 227/* for 'wpa_level' */
 228enum gelic_wl_wpa_level {
 229        GELIC_WL_WPA_LEVEL_NONE,
 230        GELIC_WL_WPA_LEVEL_WPA,
 231        GELIC_WL_WPA_LEVEL_WPA2,
 232};
 233
 234/* for 'assoc_stat' */
 235enum gelic_wl_assoc_state {
 236        GELIC_WL_ASSOC_STAT_DISCONN,
 237        GELIC_WL_ASSOC_STAT_ASSOCIATING,
 238        GELIC_WL_ASSOC_STAT_ASSOCIATED,
 239};
 240/* part of private data alloc_etherdev() allocated */
 241#define GELIC_WEP_KEYS 4
 242struct gelic_wl_info {
 243        /* bss list */
 244        struct mutex scan_lock;
 245        struct list_head network_list;
 246        struct list_head network_free_list;
 247        struct gelic_wl_scan_info *networks;
 248
 249        unsigned long scan_age; /* last scanned time */
 250        enum gelic_wl_scan_state scan_stat;
 251        struct completion scan_done;
 252
 253        /* eurus command queue */
 254        struct workqueue_struct *eurus_cmd_queue;
 255        struct completion cmd_done_intr;
 256
 257        /* eurus event handling */
 258        struct workqueue_struct *event_queue;
 259        struct delayed_work event_work;
 260
 261        /* wl status bits */
 262        unsigned long stat;
 263        enum gelic_eurus_auth_method auth_method; /* open/shared */
 264        enum gelic_wl_cipher_method group_cipher_method;
 265        enum gelic_wl_cipher_method pairwise_cipher_method;
 266        enum gelic_wl_wpa_level wpa_level; /* wpa/wpa2 */
 267
 268        /* association handling */
 269        struct mutex assoc_stat_lock;
 270        struct delayed_work assoc_work;
 271        enum gelic_wl_assoc_state assoc_stat;
 272        struct completion assoc_done;
 273
 274        spinlock_t lock;
 275        u16 ch_info; /* available channels. bit0 = ch1 */
 276        /* WEP keys */
 277        u8 key[GELIC_WEP_KEYS][IW_ENCODING_TOKEN_MAX];
 278        unsigned long key_enabled;
 279        unsigned int key_len[GELIC_WEP_KEYS];
 280        unsigned int current_key;
 281        /* WWPA PSK */
 282        u8 psk[GELIC_WL_EURUS_PSK_MAX_LEN];
 283        enum gelic_eurus_wpa_psk_type psk_type;
 284        unsigned int psk_len;
 285
 286        u8 essid[IW_ESSID_MAX_SIZE];
 287        u8 bssid[ETH_ALEN]; /* userland requested */
 288        u8 active_bssid[ETH_ALEN]; /* associated bssid */
 289        unsigned int essid_len;
 290
 291        struct iw_public_data wireless_data;
 292        struct iw_statistics iwstat;
 293};
 294
 295#define GELIC_WL_BSS_MAX_ENT 32
 296#define GELIC_WL_ASSOC_RETRY 50
 297static inline struct gelic_port *wl_port(struct gelic_wl_info *wl)
 298{
 299        return container_of((void *)wl, struct gelic_port, priv);
 300}
 301static inline struct gelic_wl_info *port_wl(struct gelic_port *port)
 302{
 303        return port_priv(port);
 304}
 305
 306struct gelic_eurus_cmd {
 307        struct work_struct work;
 308        struct gelic_wl_info *wl;
 309        unsigned int cmd; /* command code */
 310        u64 tag;
 311        u64 size;
 312        void *buffer;
 313        unsigned int buf_size;
 314        struct completion done;
 315        int status;
 316        u64 cmd_status;
 317};
 318
 319/* private ioctls to pass PSK */
 320#define GELIC_WL_PRIV_SET_PSK           (SIOCIWFIRSTPRIV + 0)
 321#define GELIC_WL_PRIV_GET_PSK           (SIOCIWFIRSTPRIV + 1)
 322
 323extern int gelic_wl_driver_probe(struct gelic_card *card);
 324extern int gelic_wl_driver_remove(struct gelic_card *card);
 325extern void gelic_wl_interrupt(struct net_device *netdev, u64 status);
 326#endif /* _GELIC_WIRELESS_H */
 327