drivers/net/wireless/hostap/hostap_wlan.h

   1 #ifndef HOSTAP_WLAN_H
   2 #define HOSTAP_WLAN_H
   3
   4 #include "hostap_config.h"
   5 #include "hostap_common.h"
   6
   7 #define MAX_PARM_DEVICES 8
   8 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
   9 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
  10 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
  11
  12
  13 /* Specific skb->protocol value that indicates that the packet already contains
  14  * txdesc header.
  15  * FIX: This might need own value that would be allocated especially for Prism2
  16  * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
  17  * However, these skb's should have only minimal path in the kernel side since
  18  * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
  19 #define ETH_P_HOSTAP ETH_P_CONTROL
  20
  21 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
  22  * (from linux-wlan-ng) */
  23 struct linux_wlan_ng_val {
  24         u32 did;
  25         u16 status, len;
  26         u32 data;
  27 } __attribute__ ((packed));
  28
  29 struct linux_wlan_ng_prism_hdr {
  30         u32 msgcode, msglen;
  31         char devname[16];
  32         struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
  33                 noise, rate, istx, frmlen;
  34 } __attribute__ ((packed));
  35
  36 struct linux_wlan_ng_cap_hdr {
  37         u32 version;
  38         u32 length;
  39         u64 mactime;
  40         u64 hosttime;
  41         u32 phytype;
  42         u32 channel;
  43         u32 datarate;
  44         u32 antenna;
  45         u32 priority;
  46         u32 ssi_type;
  47         s32 ssi_signal;
  48         s32 ssi_noise;
  49         u32 preamble;
  50         u32 encoding;
  51 } __attribute__ ((packed));
  52
  53 #define LWNG_CAP_DID_BASE   (4 | (1 << 6)) /* section 4, group 1 */
  54 #define LWNG_CAPHDR_VERSION 0x80211001
  55
  56 struct hfa384x_rx_frame {
  57         /* HFA384X RX frame descriptor */
  58         u16 status; /* HFA384X_RX_STATUS_ flags */
  59         u32 time; /* timestamp, 1 microsecond resolution */
  60         u8 silence; /* 27 .. 154; seems to be 0 */
  61         u8 signal; /* 27 .. 154 */
  62         u8 rate; /* 10, 20, 55, or 110 */
  63         u8 rxflow;
  64         u32 reserved;
  65
  66         /* 802.11 */
  67         u16 frame_control;
  68         u16 duration_id;
  69         u8 addr1[6];
  70         u8 addr2[6];
  71         u8 addr3[6];
  72         u16 seq_ctrl;
  73         u8 addr4[6];
  74         u16 data_len;
  75
  76         /* 802.3 */
  77         u8 dst_addr[6];
  78         u8 src_addr[6];
  79         u16 len;
  80
  81         /* followed by frame data; max 2304 bytes */
  82 } __attribute__ ((packed));
  83
  84
  85 struct hfa384x_tx_frame {
  86         /* HFA384X TX frame descriptor */
  87         u16 status; /* HFA384X_TX_STATUS_ flags */
  88         u16 reserved1;
  89         u16 reserved2;
  90         u32 sw_support;
  91         u8 retry_count; /* not yet implemented */
  92         u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
  93         u16 tx_control; /* HFA384X_TX_CTRL_ flags */
  94
  95         /* 802.11 */
  96         u16 frame_control; /* parts not used */
  97         u16 duration_id;
  98         u8 addr1[6];
  99         u8 addr2[6]; /* filled by firmware */
 100         u8 addr3[6];
 101         u16 seq_ctrl; /* filled by firmware */
 102         u8 addr4[6];
 103         u16 data_len;
 104
 105         /* 802.3 */
 106         u8 dst_addr[6];
 107         u8 src_addr[6];
 108         u16 len;
 109
 110         /* followed by frame data; max 2304 bytes */
 111 } __attribute__ ((packed));
 112
 113
 114 struct hfa384x_rid_hdr
 115 {
 116         u16 len;
 117         u16 rid;
 118 } __attribute__ ((packed));
 119
 120
 121 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
 122  * dBm value with some accuracy */
 123 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
 124
 125 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
 126
 127 struct hfa384x_scan_request {
 128         u16 channel_list;
 129         u16 txrate; /* HFA384X_RATES_* */
 130 } __attribute__ ((packed));
 131
 132 struct hfa384x_hostscan_request {
 133         u16 channel_list;
 134         u16 txrate;
 135         u16 target_ssid_len;
 136         u8 target_ssid[32];
 137 } __attribute__ ((packed));
 138
 139 struct hfa384x_join_request {
 140         u8 bssid[6];
 141         u16 channel;
 142 } __attribute__ ((packed));
 143
 144 struct hfa384x_info_frame {
 145         u16 len;
 146         u16 type;
 147 } __attribute__ ((packed));
 148
 149 struct hfa384x_comm_tallies {
 150         u16 tx_unicast_frames;
 151         u16 tx_multicast_frames;
 152         u16 tx_fragments;
 153         u16 tx_unicast_octets;
 154         u16 tx_multicast_octets;
 155         u16 tx_deferred_transmissions;
 156         u16 tx_single_retry_frames;
 157         u16 tx_multiple_retry_frames;
 158         u16 tx_retry_limit_exceeded;
 159         u16 tx_discards;
 160         u16 rx_unicast_frames;
 161         u16 rx_multicast_frames;
 162         u16 rx_fragments;
 163         u16 rx_unicast_octets;
 164         u16 rx_multicast_octets;
 165         u16 rx_fcs_errors;
 166         u16 rx_discards_no_buffer;
 167         u16 tx_discards_wrong_sa;
 168         u16 rx_discards_wep_undecryptable;
 169         u16 rx_message_in_msg_fragments;
 170         u16 rx_message_in_bad_msg_fragments;
 171 } __attribute__ ((packed));
 172
 173 struct hfa384x_comm_tallies32 {
 174         u32 tx_unicast_frames;
 175         u32 tx_multicast_frames;
 176         u32 tx_fragments;
 177         u32 tx_unicast_octets;
 178         u32 tx_multicast_octets;
 179         u32 tx_deferred_transmissions;
 180         u32 tx_single_retry_frames;
 181         u32 tx_multiple_retry_frames;
 182         u32 tx_retry_limit_exceeded;
 183         u32 tx_discards;
 184         u32 rx_unicast_frames;
 185         u32 rx_multicast_frames;
 186         u32 rx_fragments;
 187         u32 rx_unicast_octets;
 188         u32 rx_multicast_octets;
 189         u32 rx_fcs_errors;
 190         u32 rx_discards_no_buffer;
 191         u32 tx_discards_wrong_sa;
 192         u32 rx_discards_wep_undecryptable;
 193         u32 rx_message_in_msg_fragments;
 194         u32 rx_message_in_bad_msg_fragments;
 195 } __attribute__ ((packed));
 196
 197 struct hfa384x_scan_result_hdr {
 198         u16 reserved;
 199         u16 scan_reason;
 200 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
 201 #define HFA384X_SCAN_HOST_INITIATED 1
 202 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
 203 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
 204 } __attribute__ ((packed));
 205
 206 #define HFA384X_SCAN_MAX_RESULTS 32
 207
 208 struct hfa384x_scan_result {
 209         u16 chid;
 210         u16 anl;
 211         u16 sl;
 212         u8 bssid[6];
 213         u16 beacon_interval;
 214         u16 capability;
 215         u16 ssid_len;
 216         u8 ssid[32];
 217         u8 sup_rates[10];
 218         u16 rate;
 219 } __attribute__ ((packed));
 220
 221 struct hfa384x_hostscan_result {
 222         u16 chid;
 223         u16 anl;
 224         u16 sl;
 225         u8 bssid[6];
 226         u16 beacon_interval;
 227         u16 capability;
 228         u16 ssid_len;
 229         u8 ssid[32];
 230         u8 sup_rates[10];
 231         u16 rate;
 232         u16 atim;
 233 } __attribute__ ((packed));
 234
 235 struct comm_tallies_sums {
 236         unsigned int tx_unicast_frames;
 237         unsigned int tx_multicast_frames;
 238         unsigned int tx_fragments;
 239         unsigned int tx_unicast_octets;
 240         unsigned int tx_multicast_octets;
 241         unsigned int tx_deferred_transmissions;
 242         unsigned int tx_single_retry_frames;
 243         unsigned int tx_multiple_retry_frames;
 244         unsigned int tx_retry_limit_exceeded;
 245         unsigned int tx_discards;
 246         unsigned int rx_unicast_frames;
 247         unsigned int rx_multicast_frames;
 248         unsigned int rx_fragments;
 249         unsigned int rx_unicast_octets;
 250         unsigned int rx_multicast_octets;
 251         unsigned int rx_fcs_errors;
 252         unsigned int rx_discards_no_buffer;
 253         unsigned int tx_discards_wrong_sa;
 254         unsigned int rx_discards_wep_undecryptable;
 255         unsigned int rx_message_in_msg_fragments;
 256         unsigned int rx_message_in_bad_msg_fragments;
 257 };
 258
 259
 260 struct hfa384x_regs {
 261         u16 cmd;
 262         u16 evstat;
 263         u16 offset0;
 264         u16 offset1;
 265         u16 swsupport0;
 266 };
 267
 268
 269 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
 270 /* I/O ports for HFA384X Controller access */
 271 #define HFA384X_CMD_OFF 0x00
 272 #define HFA384X_PARAM0_OFF 0x02
 273 #define HFA384X_PARAM1_OFF 0x04
 274 #define HFA384X_PARAM2_OFF 0x06
 275 #define HFA384X_STATUS_OFF 0x08
 276 #define HFA384X_RESP0_OFF 0x0A
 277 #define HFA384X_RESP1_OFF 0x0C
 278 #define HFA384X_RESP2_OFF 0x0E
 279 #define HFA384X_INFOFID_OFF 0x10
 280 #define HFA384X_CONTROL_OFF 0x14
 281 #define HFA384X_SELECT0_OFF 0x18
 282 #define HFA384X_SELECT1_OFF 0x1A
 283 #define HFA384X_OFFSET0_OFF 0x1C
 284 #define HFA384X_OFFSET1_OFF 0x1E
 285 #define HFA384X_RXFID_OFF 0x20
 286 #define HFA384X_ALLOCFID_OFF 0x22
 287 #define HFA384X_TXCOMPLFID_OFF 0x24
 288 #define HFA384X_SWSUPPORT0_OFF 0x28
 289 #define HFA384X_SWSUPPORT1_OFF 0x2A
 290 #define HFA384X_SWSUPPORT2_OFF 0x2C
 291 #define HFA384X_EVSTAT_OFF 0x30
 292 #define HFA384X_INTEN_OFF 0x32
 293 #define HFA384X_EVACK_OFF 0x34
 294 #define HFA384X_DATA0_OFF 0x36
 295 #define HFA384X_DATA1_OFF 0x38
 296 #define HFA384X_AUXPAGE_OFF 0x3A
 297 #define HFA384X_AUXOFFSET_OFF 0x3C
 298 #define HFA384X_AUXDATA_OFF 0x3E
 299 #endif /* PRISM2_PCCARD || PRISM2_PLX */
 300
 301 #ifdef PRISM2_PCI
 302 /* Memory addresses for ISL3874 controller access */
 303 #define HFA384X_CMD_OFF 0x00
 304 #define HFA384X_PARAM0_OFF 0x04
 305 #define HFA384X_PARAM1_OFF 0x08
 306 #define HFA384X_PARAM2_OFF 0x0C
 307 #define HFA384X_STATUS_OFF 0x10
 308 #define HFA384X_RESP0_OFF 0x14
 309 #define HFA384X_RESP1_OFF 0x18
 310 #define HFA384X_RESP2_OFF 0x1C
 311 #define HFA384X_INFOFID_OFF 0x20
 312 #define HFA384X_CONTROL_OFF 0x28
 313 #define HFA384X_SELECT0_OFF 0x30
 314 #define HFA384X_SELECT1_OFF 0x34
 315 #define HFA384X_OFFSET0_OFF 0x38
 316 #define HFA384X_OFFSET1_OFF 0x3C
 317 #define HFA384X_RXFID_OFF 0x40
 318 #define HFA384X_ALLOCFID_OFF 0x44
 319 #define HFA384X_TXCOMPLFID_OFF 0x48
 320 #define HFA384X_PCICOR_OFF 0x4C
 321 #define HFA384X_SWSUPPORT0_OFF 0x50
 322 #define HFA384X_SWSUPPORT1_OFF 0x54
 323 #define HFA384X_SWSUPPORT2_OFF 0x58
 324 #define HFA384X_PCIHCR_OFF 0x5C
 325 #define HFA384X_EVSTAT_OFF 0x60
 326 #define HFA384X_INTEN_OFF 0x64
 327 #define HFA384X_EVACK_OFF 0x68
 328 #define HFA384X_DATA0_OFF 0x6C
 329 #define HFA384X_DATA1_OFF 0x70
 330 #define HFA384X_AUXPAGE_OFF 0x74
 331 #define HFA384X_AUXOFFSET_OFF 0x78
 332 #define HFA384X_AUXDATA_OFF 0x7C
 333 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
 334 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
 335 #define HFA384X_PCI_M0_LEN_OFF 0x88
 336 #define HFA384X_PCI_M0_CTL_OFF 0x8C
 337 #define HFA384X_PCI_STATUS_OFF 0x98
 338 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
 339 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
 340 #define HFA384X_PCI_M1_LEN_OFF 0xA8
 341 #define HFA384X_PCI_M1_CTL_OFF 0xAC
 342
 343 /* PCI bus master control bits (these are undocumented; based on guessing and
 344  * experimenting..) */
 345 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
 346 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
 347
 348 #endif /* PRISM2_PCI */
 349
 350
 351 /* Command codes for CMD reg. */
 352 #define HFA384X_CMDCODE_INIT 0x00
 353 #define HFA384X_CMDCODE_ENABLE 0x01
 354 #define HFA384X_CMDCODE_DISABLE 0x02
 355 #define HFA384X_CMDCODE_ALLOC 0x0A
 356 #define HFA384X_CMDCODE_TRANSMIT 0x0B
 357 #define HFA384X_CMDCODE_INQUIRE 0x11
 358 #define HFA384X_CMDCODE_ACCESS 0x21
 359 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
 360 #define HFA384X_CMDCODE_DOWNLOAD 0x22
 361 #define HFA384X_CMDCODE_READMIF 0x30
 362 #define HFA384X_CMDCODE_WRITEMIF 0x31
 363 #define HFA384X_CMDCODE_TEST 0x38
 364
 365 #define HFA384X_CMDCODE_MASK 0x3F
 366
 367 /* Test mode operations */
 368 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
 369 #define HFA384X_TEST_MONITOR 0x0B
 370 #define HFA384X_TEST_STOP 0x0F
 371 #define HFA384X_TEST_CFG_BITS 0x15
 372 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
 373
 374 #define HFA384X_CMD_BUSY BIT(15)
 375
 376 #define HFA384X_CMD_TX_RECLAIM BIT(8)
 377
 378 #define HFA384X_OFFSET_ERR BIT(14)
 379 #define HFA384X_OFFSET_BUSY BIT(15)
 380
 381
 382 /* ProgMode for download command */
 383 #define HFA384X_PROGMODE_DISABLE 0
 384 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
 385 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
 386 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
 387
 388 #define HFA384X_AUX_MAGIC0 0xfe01
 389 #define HFA384X_AUX_MAGIC1 0xdc23
 390 #define HFA384X_AUX_MAGIC2 0xba45
 391
 392 #define HFA384X_AUX_PORT_DISABLED 0
 393 #define HFA384X_AUX_PORT_DISABLE BIT(14)
 394 #define HFA384X_AUX_PORT_ENABLE BIT(15)
 395 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
 396 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
 397
 398 #define PRISM2_PDA_SIZE 1024
 399
 400
 401 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
 402 #define HFA384X_EV_TICK BIT(15)
 403 #define HFA384X_EV_WTERR BIT(14)
 404 #define HFA384X_EV_INFDROP BIT(13)
 405 #ifdef PRISM2_PCI
 406 #define HFA384X_EV_PCI_M1 BIT(9)
 407 #define HFA384X_EV_PCI_M0 BIT(8)
 408 #endif /* PRISM2_PCI */
 409 #define HFA384X_EV_INFO BIT(7)
 410 #define HFA384X_EV_DTIM BIT(5)
 411 #define HFA384X_EV_CMD BIT(4)
 412 #define HFA384X_EV_ALLOC BIT(3)
 413 #define HFA384X_EV_TXEXC BIT(2)
 414 #define HFA384X_EV_TX BIT(1)
 415 #define HFA384X_EV_RX BIT(0)
 416
 417
 418 /* HFA384X Information frames */
 419 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
 420 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
 421 #define HFA384X_INFO_COMMTALLIES 0xF100
 422 #define HFA384X_INFO_SCANRESULTS 0xF101
 423 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
 424 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
 425 #define HFA384X_INFO_LINKSTATUS 0xF200
 426 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
 427 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
 428 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
 429 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
 430
 431 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
 432        HFA384X_LINKSTATUS_DISCONNECTED = 2,
 433        HFA384X_LINKSTATUS_AP_CHANGE = 3,
 434        HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
 435        HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
 436        HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
 437
 438 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
 439        HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
 440        HFA384X_PORTTYPE_HOSTAP = 6 };
 441
 442 #define HFA384X_RATES_1MBPS BIT(0)
 443 #define HFA384X_RATES_2MBPS BIT(1)
 444 #define HFA384X_RATES_5MBPS BIT(2)
 445 #define HFA384X_RATES_11MBPS BIT(3)
 446
 447 #define HFA384X_ROAMING_FIRMWARE 1
 448 #define HFA384X_ROAMING_HOST 2
 449 #define HFA384X_ROAMING_DISABLED 3
 450
 451 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
 452 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
 453 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
 454 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
 455
 456 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
 457 #define HFA384X_RX_STATUS_PCF BIT(12)
 458 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
 459 #define HFA384X_RX_STATUS_UNDECR BIT(1)
 460 #define HFA384X_RX_STATUS_FCSERR BIT(0)
 461
 462 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
 463 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
 464 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
 465 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
 466
 467 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
 468        HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
 469
 470
 471 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
 472 #define HFA384X_TX_CTRL_802_11 BIT(3)
 473 #define HFA384X_TX_CTRL_802_3 0
 474 #define HFA384X_TX_CTRL_TX_EX BIT(2)
 475 #define HFA384X_TX_CTRL_TX_OK BIT(1)
 476
 477 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
 478 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
 479 #define HFA384X_TX_STATUS_DISCON BIT(2)
 480 #define HFA384X_TX_STATUS_FORMERR BIT(3)
 481
 482 /* HFA3861/3863 (BBP) Control Registers */
 483 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
 484 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
 485 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
 486 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
 487 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
 488
 489
 490 #ifdef __KERNEL__
 491
 492 #define PRISM2_TXFID_COUNT 8
 493 #define PRISM2_DATA_MAXLEN 2304
 494 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
 495 #define PRISM2_TXFID_EMPTY 0xffff
 496 #define PRISM2_TXFID_RESERVED 0xfffe
 497 #define PRISM2_DUMMY_FID 0xffff
 498 #define MAX_SSID_LEN 32
 499 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
 500
 501 #define PRISM2_DUMP_RX_HDR BIT(0)
 502 #define PRISM2_DUMP_TX_HDR BIT(1)
 503 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
 504
 505 struct hostap_tx_callback_info {
 506         u16 idx;
 507         void (*func)(struct sk_buff *, int ok, void *);
 508         void *data;
 509         struct hostap_tx_callback_info *next;
 510 };
 511
 512
 513 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 514  * three fragmented frames. This define can be increased to support more
 515  * concurrent frames, but it should be noted that each entry can consume about
 516  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 517 #define PRISM2_FRAG_CACHE_LEN 4
 518
 519 struct prism2_frag_entry {
 520         unsigned long first_frag_time;
 521         unsigned int seq;
 522         unsigned int last_frag;
 523         struct sk_buff *skb;
 524         u8 src_addr[ETH_ALEN];
 525         u8 dst_addr[ETH_ALEN];
 526 };
 527
 528
 529 struct hostap_cmd_queue {
 530         struct list_head list;
 531         wait_queue_head_t compl;
 532         volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
 533         void (*callback)(struct net_device *dev, long context, u16 resp0,
 534                          u16 res);
 535         long context;
 536         u16 cmd, param0, param1;
 537         u16 resp0, res;
 538         volatile int issued, issuing;
 539
 540         atomic_t usecnt;
 541         int del_req;
 542 };
 543
 544 /* options for hw_shutdown */
 545 #define HOSTAP_HW_NO_DISABLE BIT(0)
 546 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
 547
 548 typedef struct local_info local_info_t;
 549
 550 struct prism2_helper_functions {
 551         /* these functions are defined in hardware model specific files
 552          * (hostap_{cs,plx,pci}.c */
 553         int (*card_present)(local_info_t *local);
 554         void (*cor_sreset)(local_info_t *local);
 555         void (*genesis_reset)(local_info_t *local, int hcr);
 556
 557         /* the following functions are from hostap_hw.c, but they may have some
 558          * hardware model specific code */
 559
 560         /* FIX: low-level commands like cmd might disappear at some point to
 561          * make it easier to change them if needed (e.g., cmd would be replaced
 562          * with write_mif/read_mif/testcmd/inquire); at least get_rid and
 563          * set_rid might move to hostap_{cs,plx,pci}.c */
 564         int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
 565                    u16 *resp0);
 566         void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
 567         int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
 568                        int exact_len);
 569         int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
 570         int (*hw_enable)(struct net_device *dev, int initial);
 571         int (*hw_config)(struct net_device *dev, int initial);
 572         void (*hw_reset)(struct net_device *dev);
 573         void (*hw_shutdown)(struct net_device *dev, int no_disable);
 574         int (*reset_port)(struct net_device *dev);
 575         void (*schedule_reset)(local_info_t *local);
 576         int (*download)(local_info_t *local,
 577                         struct prism2_download_param *param);
 578         int (*tx)(struct sk_buff *skb, struct net_device *dev);
 579         int (*set_tim)(struct net_device *dev, int aid, int set);
 580         int (*read_aux)(struct net_device *dev, unsigned addr, int len,
 581                         u8 *buf);
 582
 583         int need_tx_headroom; /* number of bytes of headroom needed before
 584                                * IEEE 802.11 header */
 585         enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
 586 };
 587
 588
 589 struct prism2_download_data {
 590         u32 dl_cmd;
 591         u32 start_addr;
 592         u32 num_areas;
 593         struct prism2_download_data_area {
 594                 u32 addr; /* wlan card address */
 595                 u32 len;
 596                 u8 *data; /* allocated data */
 597         } data[0];
 598 };
 599
 600
 601 #define HOSTAP_MAX_BSS_COUNT 64
 602 #define MAX_WPA_IE_LEN 64
 603
 604 struct hostap_bss_info {
 605         struct list_head list;
 606         unsigned long last_update;
 607         unsigned int count;
 608         u8 bssid[ETH_ALEN];
 609         u16 capab_info;
 610         u8 ssid[32];
 611         size_t ssid_len;
 612         u8 wpa_ie[MAX_WPA_IE_LEN];
 613         size_t wpa_ie_len;
 614         u8 rsn_ie[MAX_WPA_IE_LEN];
 615         size_t rsn_ie_len;
 616         int chan;
 617         int included;
 618 };
 619
 620
 621 /* Per radio private Host AP data - shared by all net devices interfaces used
 622  * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
 623  * ((struct hostap_interface *) netdev_priv(dev))->local points to this
 624  * structure. */
 625 struct local_info {
 626         struct module *hw_module;
 627         int card_idx;
 628         int dev_enabled;
 629         int master_dev_auto_open; /* was master device opened automatically */
 630         int num_dev_open; /* number of open devices */
 631         struct net_device *dev; /* master radio device */
 632         struct net_device *ddev; /* main data device */
 633         struct list_head hostap_interfaces; /* Host AP interface list (contains
 634                                              * struct hostap_interface entries)
 635                                              */
 636         rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
 637                               * when removing entries from the list.
 638                               * TX and RX paths can use read lock. */
 639         spinlock_t cmdlock, baplock, lock;
 640         struct semaphore rid_bap_sem;
 641         u16 infofid; /* MAC buffer id for info frame */
 642         /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
 643          * txfidlock */
 644         spinlock_t txfidlock;
 645         int txfid_len; /* length of allocated TX buffers */
 646         u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
 647         /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
 648          * corresponding txfid is free for next TX frame */
 649         u16 intransmitfid[PRISM2_TXFID_COUNT];
 650         int next_txfid; /* index to the next txfid to be checked for
 651                          * availability */
 652         int next_alloc; /* index to the next intransmitfid to be checked for
 653                          * allocation events */
 654
 655         /* bitfield for atomic bitops */
 656 #define HOSTAP_BITS_TRANSMIT 0
 657 #define HOSTAP_BITS_BAP_TASKLET 1
 658 #define HOSTAP_BITS_BAP_TASKLET2 2
 659         long bits;
 660
 661         struct ap_data *ap;
 662
 663         char essid[MAX_SSID_LEN + 1];
 664         char name[MAX_NAME_LEN + 1];
 665         int name_set;
 666         u16 channel_mask; /* mask of allowed channels */
 667         u16 scan_channel_mask; /* mask of channels to be scanned */
 668         struct comm_tallies_sums comm_tallies;
 669         struct net_device_stats stats;
 670         struct proc_dir_entry *proc;
 671         int iw_mode; /* operating mode (IW_MODE_*) */
 672         int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
 673                            * 1: IW_MODE_ADHOC is "pseudo IBSS" */
 674         char bssid[ETH_ALEN];
 675         int channel;
 676         int beacon_int;
 677         int dtim_period;
 678         int mtu;
 679         int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
 680         int fw_tx_rate_control;
 681         u16 tx_rate_control;
 682         u16 basic_rates;
 683         int hw_resetting;
 684         int hw_ready;
 685         int hw_reset_tries; /* how many times reset has been tried */
 686         int hw_downloading;
 687         int shutdown;
 688         int pri_only;
 689         int no_pri; /* no PRI f/w present */
 690         int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
 691
 692         enum {
 693                 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
 694                 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
 695         } txpower_type;
 696         int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
 697
 698         /* command queue for hfa384x_cmd(); protected with cmdlock */
 699         struct list_head cmd_queue;
 700         /* max_len for cmd_queue; in addition, cmd_callback can use two
 701          * additional entries to prevent sleeping commands from stopping
 702          * transmits */
 703 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
 704         int cmd_queue_len; /* number of entries in cmd_queue */
 705
 706         /* if card timeout is detected in interrupt context, reset_queue is
 707          * used to schedule card reseting to be done in user context */
 708         struct work_struct reset_queue;
 709
 710         /* For scheduling a change of the promiscuous mode RID */
 711         int is_promisc;
 712         struct work_struct set_multicast_list_queue;
 713
 714         struct work_struct set_tim_queue;
 715         struct list_head set_tim_list;
 716         spinlock_t set_tim_lock;
 717
 718         int wds_max_connections;
 719         int wds_connections;
 720 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
 721 #define HOSTAP_WDS_AP_CLIENT BIT(1)
 722 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
 723         u32 wds_type;
 724         u16 tx_control; /* flags to be used in TX description */
 725         int manual_retry_count; /* -1 = use f/w default; otherwise retry count
 726                                  * to be used with all frames */
 727
 728         struct iw_statistics wstats;
 729         unsigned long scan_timestamp; /* Time started to scan */
 730         enum {
 731                 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
 732                 PRISM2_MONITOR_CAPHDR = 2
 733         } monitor_type;
 734         int (*saved_eth_header_parse)(struct sk_buff *skb,
 735                                       unsigned char *haddr);
 736         int monitor_allow_fcserr;
 737
 738         int hostapd; /* whether user space daemon, hostapd, is used for AP
 739                       * management */
 740         int hostapd_sta; /* whether hostapd is used with an extra STA interface
 741                           */
 742         struct net_device *apdev;
 743         struct net_device_stats apdevstats;
 744
 745         char assoc_ap_addr[ETH_ALEN];
 746         struct net_device *stadev;
 747         struct net_device_stats stadevstats;
 748
 749 #define WEP_KEYS 4
 750 #define WEP_KEY_LEN 13
 751         struct ieee80211_crypt_data *crypt[WEP_KEYS];
 752         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
 753         struct timer_list crypt_deinit_timer;
 754         struct list_head crypt_deinit_list;
 755
 756         int open_wep; /* allow unencrypted frames */
 757         int host_encrypt;
 758         int host_decrypt;
 759         int privacy_invoked; /* force privacy invoked flag even if no keys are
 760                               * configured */
 761         int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
 762                             * in Host AP mode (STA f/w 1.4.9 or newer) */
 763         int bcrx_sta_key; /* use individual keys to override default keys even
 764                            * with RX of broad/multicast frames */
 765
 766         struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
 767         unsigned int frag_next_idx;
 768
 769         int ieee_802_1x; /* is IEEE 802.1X used */
 770
 771         int antsel_tx, antsel_rx;
 772         int rts_threshold; /* dot11RTSThreshold */
 773         int fragm_threshold; /* dot11FragmentationThreshold */
 774         int auth_algs; /* PRISM2_AUTH_ flags */
 775
 776         int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
 777         int tallies32; /* 32-bit tallies in use */
 778
 779         struct prism2_helper_functions *func;
 780
 781         u8 *pda;
 782         int fw_ap;
 783 #define PRISM2_FW_VER(major, minor, variant) \
 784 (((major) << 16) | ((minor) << 8) | variant)
 785         u32 sta_fw_ver;
 786
 787         /* Tasklets for handling hardware IRQ related operations outside hw IRQ
 788          * handler */
 789         struct tasklet_struct bap_tasklet;
 790
 791         struct tasklet_struct info_tasklet;
 792         struct sk_buff_head info_list; /* info frames as skb's for
 793                                         * info_tasklet */
 794
 795         struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
 796                                                       */
 797
 798         struct tasklet_struct rx_tasklet;
 799         struct sk_buff_head rx_list;
 800
 801         struct tasklet_struct sta_tx_exc_tasklet;
 802         struct sk_buff_head sta_tx_exc_list;
 803
 804         int host_roaming;
 805         unsigned long last_join_time; /* time of last JoinRequest */
 806         struct hfa384x_hostscan_result *last_scan_results;
 807         int last_scan_results_count;
 808         enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
 809         struct work_struct info_queue;
 810         long pending_info; /* bit field of pending info_queue items */
 811 #define PRISM2_INFO_PENDING_LINKSTATUS 0
 812 #define PRISM2_INFO_PENDING_SCANRESULTS 1
 813         int prev_link_status; /* previous received LinkStatus info */
 814         int prev_linkstatus_connected;
 815         u8 preferred_ap[6]; /* use this AP if possible */
 816
 817 #ifdef PRISM2_CALLBACK
 818         void *callback_data; /* Can be used in callbacks; e.g., allocate
 819                               * on enable event and free on disable event.
 820                               * Host AP driver code does not touch this. */
 821 #endif /* PRISM2_CALLBACK */
 822
 823         wait_queue_head_t hostscan_wq;
 824
 825         /* Passive scan in Host AP mode */
 826         struct timer_list passive_scan_timer;
 827         int passive_scan_interval; /* in seconds, 0 = disabled */
 828         int passive_scan_channel;
 829         enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
 830
 831         struct timer_list tick_timer;
 832         unsigned long last_tick_timer;
 833         unsigned int sw_tick_stuck;
 834
 835         /* commsQuality / dBmCommsQuality data from periodic polling; only
 836          * valid for Managed and Ad-hoc modes */
 837         unsigned long last_comms_qual_update;
 838         int comms_qual; /* in some odd unit.. */
 839         int avg_signal; /* in dB (note: negative) */
 840         int avg_noise; /* in dB (note: negative) */
 841         struct work_struct comms_qual_update;
 842
 843         /* RSSI to dBm adjustment (for RX descriptor fields) */
 844         int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
 845
 846         /* BSS list / protected by local->lock */
 847         struct list_head bss_list;
 848         int num_bss_info;
 849         int wpa; /* WPA support enabled */
 850         int tkip_countermeasures;
 851         int drop_unencrypted;
 852         /* Generic IEEE 802.11 info element to be added to
 853          * ProbeResp/Beacon/(Re)AssocReq */
 854         u8 *generic_elem;
 855         size_t generic_elem_len;
 856
 857 #ifdef PRISM2_DOWNLOAD_SUPPORT
 858         /* Persistent volatile download data */
 859         struct prism2_download_data *dl_pri;
 860         struct prism2_download_data *dl_sec;
 861 #endif /* PRISM2_DOWNLOAD_SUPPORT */
 862
 863 #ifdef PRISM2_IO_DEBUG
 864 #define PRISM2_IO_DEBUG_SIZE 10000
 865         u32 io_debug[PRISM2_IO_DEBUG_SIZE];
 866         int io_debug_head;
 867         int io_debug_enabled;
 868 #endif /* PRISM2_IO_DEBUG */
 869
 870         /* Pointer to hardware model specific (cs,pci,plx) private data. */
 871         void *hw_priv;
 872 };
 873
 874
 875 /* Per interface private Host AP data
 876  * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
 877  * WDS) and netdev_priv(dev) points to this structure. */
 878 struct hostap_interface {
 879         struct list_head list; /* list entry in Host AP interface list */
 880         struct net_device *dev; /* pointer to this device */
 881         struct local_info *local; /* pointer to shared private data */
 882         struct net_device_stats stats;
 883         struct iw_spy_data spy_data; /* iwspy support */
 884         struct iw_public_data wireless_data;
 885
 886         enum {
 887                 HOSTAP_INTERFACE_MASTER,
 888                 HOSTAP_INTERFACE_MAIN,
 889                 HOSTAP_INTERFACE_AP,
 890                 HOSTAP_INTERFACE_STA,
 891                 HOSTAP_INTERFACE_WDS,
 892         } type;
 893
 894         union {
 895                 struct hostap_interface_wds {
 896                         u8 remote_addr[ETH_ALEN];
 897                 } wds;
 898         } u;
 899 };
 900
 901
 902 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
 903
 904 /*
 905  * TX meta data - stored in skb->cb buffer, so this must not be increased over
 906  * the 40-byte limit
 907  */
 908 struct hostap_skb_tx_data {
 909         u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
 910         u8 rate; /* transmit rate */
 911 #define HOSTAP_TX_FLAGS_WDS BIT(0)
 912 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
 913 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
 914         u8 flags; /* HOSTAP_TX_FLAGS_* */
 915         u16 tx_cb_idx;
 916         struct hostap_interface *iface;
 917         unsigned long jiffies; /* queueing timestamp */
 918         unsigned short ethertype;
 919 };
 920
 921
 922 #ifndef PRISM2_NO_DEBUG
 923
 924 #define DEBUG_FID BIT(0)
 925 #define DEBUG_PS BIT(1)
 926 #define DEBUG_FLOW BIT(2)
 927 #define DEBUG_AP BIT(3)
 928 #define DEBUG_HW BIT(4)
 929 #define DEBUG_EXTRA BIT(5)
 930 #define DEBUG_EXTRA2 BIT(6)
 931 #define DEBUG_PS2 BIT(7)
 932 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
 933 #define PDEBUG(n, args...) \
 934 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
 935 #define PDEBUG2(n, args...) \
 936 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
 937
 938 #else /* PRISM2_NO_DEBUG */
 939
 940 #define PDEBUG(n, args...)
 941 #define PDEBUG2(n, args...)
 942
 943 #endif /* PRISM2_NO_DEBUG */
 944
 945 enum { BAP0 = 0, BAP1 = 1 };
 946
 947 #define PRISM2_IO_DEBUG_CMD_INB 0
 948 #define PRISM2_IO_DEBUG_CMD_INW 1
 949 #define PRISM2_IO_DEBUG_CMD_INSW 2
 950 #define PRISM2_IO_DEBUG_CMD_OUTB 3
 951 #define PRISM2_IO_DEBUG_CMD_OUTW 4
 952 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
 953 #define PRISM2_IO_DEBUG_CMD_ERROR 6
 954 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
 955
 956 #ifdef PRISM2_IO_DEBUG
 957
 958 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
 959 (((cmd) << 24) | ((reg) << 16) | value)
 960
 961 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
 962                                        int reg, int value)
 963 {
 964         struct hostap_interface *iface = netdev_priv(dev);
 965         local_info_t *local = iface->local;
 966
 967         if (!local->io_debug_enabled)
 968                 return;
 969
 970         local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
 971         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 972                 local->io_debug_head = 0;
 973         local->io_debug[local->io_debug_head] =
 974                 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
 975         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 976                 local->io_debug_head = 0;
 977 }
 978
 979
 980 static inline void prism2_io_debug_error(struct net_device *dev, int err)
 981 {
 982         struct hostap_interface *iface = netdev_priv(dev);
 983         local_info_t *local = iface->local;
 984         unsigned long flags;
 985
 986         if (!local->io_debug_enabled)
 987                 return;
 988
 989         spin_lock_irqsave(&local->lock, flags);
 990         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
 991         if (local->io_debug_enabled == 1) {
 992                 local->io_debug_enabled = 0;
 993                 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
 994         }
 995         spin_unlock_irqrestore(&local->lock, flags);
 996 }
 997
 998 #else /* PRISM2_IO_DEBUG */
 999
1000 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1001                                        int reg, int value)
1002 {
1003 }
1004
1005 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1006 {
1007 }
1008
1009 #endif /* PRISM2_IO_DEBUG */
1010
1011
1012 #ifdef PRISM2_CALLBACK
1013 enum {
1014         /* Called when card is enabled */
1015         PRISM2_CALLBACK_ENABLE,
1016
1017         /* Called when card is disabled */
1018         PRISM2_CALLBACK_DISABLE,
1019
1020         /* Called when RX/TX starts/ends */
1021         PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1022         PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1023 };
1024 void prism2_callback(local_info_t *local, int event);
1025 #else /* PRISM2_CALLBACK */
1026 #define prism2_callback(d, e) do { } while (0)
1027 #endif /* PRISM2_CALLBACK */
1028
1029 #endif /* __KERNEL__ */
1030
1031 #endif /* HOSTAP_WLAN_H */