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_crypt.h"
   6 #include "hostap_common.h"
   7
   8 #define MAX_PARM_DEVICES 8
   9 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
  10 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
  11 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
  12
  13
  14 /* Specific skb->protocol value that indicates that the packet already contains
  15  * txdesc header.
  16  * FIX: This might need own value that would be allocated especially for Prism2
  17  * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
  18  * However, these skb's should have only minimal path in the kernel side since
  19  * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
  20 #define ETH_P_HOSTAP ETH_P_CONTROL
  21
  22 #ifndef ARPHRD_IEEE80211
  23 #define ARPHRD_IEEE80211 801
  24 #endif
  25 #ifndef ARPHRD_IEEE80211_PRISM
  26 #define ARPHRD_IEEE80211_PRISM 802
  27 #endif
  28
  29 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
  30  * (from linux-wlan-ng) */
  31 struct linux_wlan_ng_val {
  32         u32 did;
  33         u16 status, len;
  34         u32 data;
  35 } __attribute__ ((packed));
  36
  37 struct linux_wlan_ng_prism_hdr {
  38         u32 msgcode, msglen;
  39         char devname[16];
  40         struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
  41                 noise, rate, istx, frmlen;
  42 } __attribute__ ((packed));
  43
  44 struct linux_wlan_ng_cap_hdr {
  45         u32 version;
  46         u32 length;
  47         u64 mactime;
  48         u64 hosttime;
  49         u32 phytype;
  50         u32 channel;
  51         u32 datarate;
  52         u32 antenna;
  53         u32 priority;
  54         u32 ssi_type;
  55         s32 ssi_signal;
  56         s32 ssi_noise;
  57         u32 preamble;
  58         u32 encoding;
  59 } __attribute__ ((packed));
  60
  61 #define LWNG_CAP_DID_BASE   (4 | (1 << 6)) /* section 4, group 1 */
  62 #define LWNG_CAPHDR_VERSION 0x80211001
  63
  64 struct hfa384x_rx_frame {
  65         /* HFA384X RX frame descriptor */
  66         u16 status; /* HFA384X_RX_STATUS_ flags */
  67         u32 time; /* timestamp, 1 microsecond resolution */
  68         u8 silence; /* 27 .. 154; seems to be 0 */
  69         u8 signal; /* 27 .. 154 */
  70         u8 rate; /* 10, 20, 55, or 110 */
  71         u8 rxflow;
  72         u32 reserved;
  73
  74         /* 802.11 */
  75         u16 frame_control;
  76         u16 duration_id;
  77         u8 addr1[6];
  78         u8 addr2[6];
  79         u8 addr3[6];
  80         u16 seq_ctrl;
  81         u8 addr4[6];
  82         u16 data_len;
  83
  84         /* 802.3 */
  85         u8 dst_addr[6];
  86         u8 src_addr[6];
  87         u16 len;
  88
  89         /* followed by frame data; max 2304 bytes */
  90 } __attribute__ ((packed));
  91
  92
  93 struct hfa384x_tx_frame {
  94         /* HFA384X TX frame descriptor */
  95         u16 status; /* HFA384X_TX_STATUS_ flags */
  96         u16 reserved1;
  97         u16 reserved2;
  98         u32 sw_support;
  99         u8 retry_count; /* not yet implemented */
 100         u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
 101         u16 tx_control; /* HFA384X_TX_CTRL_ flags */
 102
 103         /* 802.11 */
 104         u16 frame_control; /* parts not used */
 105         u16 duration_id;
 106         u8 addr1[6];
 107         u8 addr2[6]; /* filled by firmware */
 108         u8 addr3[6];
 109         u16 seq_ctrl; /* filled by firmware */
 110         u8 addr4[6];
 111         u16 data_len;
 112
 113         /* 802.3 */
 114         u8 dst_addr[6];
 115         u8 src_addr[6];
 116         u16 len;
 117
 118         /* followed by frame data; max 2304 bytes */
 119 } __attribute__ ((packed));
 120
 121
 122 struct hfa384x_rid_hdr
 123 {
 124         u16 len;
 125         u16 rid;
 126 } __attribute__ ((packed));
 127
 128
 129 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
 130  * dBm value with some accuracy */
 131 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
 132
 133 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
 134
 135 struct hfa384x_scan_request {
 136         u16 channel_list;
 137         u16 txrate; /* HFA384X_RATES_* */
 138 } __attribute__ ((packed));
 139
 140 struct hfa384x_hostscan_request {
 141         u16 channel_list;
 142         u16 txrate;
 143         u16 target_ssid_len;
 144         u8 target_ssid[32];
 145 } __attribute__ ((packed));
 146
 147 struct hfa384x_join_request {
 148         u8 bssid[6];
 149         u16 channel;
 150 } __attribute__ ((packed));
 151
 152 struct hfa384x_info_frame {
 153         u16 len;
 154         u16 type;
 155 } __attribute__ ((packed));
 156
 157 struct hfa384x_comm_tallies {
 158         u16 tx_unicast_frames;
 159         u16 tx_multicast_frames;
 160         u16 tx_fragments;
 161         u16 tx_unicast_octets;
 162         u16 tx_multicast_octets;
 163         u16 tx_deferred_transmissions;
 164         u16 tx_single_retry_frames;
 165         u16 tx_multiple_retry_frames;
 166         u16 tx_retry_limit_exceeded;
 167         u16 tx_discards;
 168         u16 rx_unicast_frames;
 169         u16 rx_multicast_frames;
 170         u16 rx_fragments;
 171         u16 rx_unicast_octets;
 172         u16 rx_multicast_octets;
 173         u16 rx_fcs_errors;
 174         u16 rx_discards_no_buffer;
 175         u16 tx_discards_wrong_sa;
 176         u16 rx_discards_wep_undecryptable;
 177         u16 rx_message_in_msg_fragments;
 178         u16 rx_message_in_bad_msg_fragments;
 179 } __attribute__ ((packed));
 180
 181 struct hfa384x_comm_tallies32 {
 182         u32 tx_unicast_frames;
 183         u32 tx_multicast_frames;
 184         u32 tx_fragments;
 185         u32 tx_unicast_octets;
 186         u32 tx_multicast_octets;
 187         u32 tx_deferred_transmissions;
 188         u32 tx_single_retry_frames;
 189         u32 tx_multiple_retry_frames;
 190         u32 tx_retry_limit_exceeded;
 191         u32 tx_discards;
 192         u32 rx_unicast_frames;
 193         u32 rx_multicast_frames;
 194         u32 rx_fragments;
 195         u32 rx_unicast_octets;
 196         u32 rx_multicast_octets;
 197         u32 rx_fcs_errors;
 198         u32 rx_discards_no_buffer;
 199         u32 tx_discards_wrong_sa;
 200         u32 rx_discards_wep_undecryptable;
 201         u32 rx_message_in_msg_fragments;
 202         u32 rx_message_in_bad_msg_fragments;
 203 } __attribute__ ((packed));
 204
 205 struct hfa384x_scan_result_hdr {
 206         u16 reserved;
 207         u16 scan_reason;
 208 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
 209 #define HFA384X_SCAN_HOST_INITIATED 1
 210 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
 211 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
 212 } __attribute__ ((packed));
 213
 214 #define HFA384X_SCAN_MAX_RESULTS 32
 215
 216 struct hfa384x_scan_result {
 217         u16 chid;
 218         u16 anl;
 219         u16 sl;
 220         u8 bssid[6];
 221         u16 beacon_interval;
 222         u16 capability;
 223         u16 ssid_len;
 224         u8 ssid[32];
 225         u8 sup_rates[10];
 226         u16 rate;
 227 } __attribute__ ((packed));
 228
 229 struct hfa384x_hostscan_result {
 230         u16 chid;
 231         u16 anl;
 232         u16 sl;
 233         u8 bssid[6];
 234         u16 beacon_interval;
 235         u16 capability;
 236         u16 ssid_len;
 237         u8 ssid[32];
 238         u8 sup_rates[10];
 239         u16 rate;
 240         u16 atim;
 241 } __attribute__ ((packed));
 242
 243 struct comm_tallies_sums {
 244         unsigned int tx_unicast_frames;
 245         unsigned int tx_multicast_frames;
 246         unsigned int tx_fragments;
 247         unsigned int tx_unicast_octets;
 248         unsigned int tx_multicast_octets;
 249         unsigned int tx_deferred_transmissions;
 250         unsigned int tx_single_retry_frames;
 251         unsigned int tx_multiple_retry_frames;
 252         unsigned int tx_retry_limit_exceeded;
 253         unsigned int tx_discards;
 254         unsigned int rx_unicast_frames;
 255         unsigned int rx_multicast_frames;
 256         unsigned int rx_fragments;
 257         unsigned int rx_unicast_octets;
 258         unsigned int rx_multicast_octets;
 259         unsigned int rx_fcs_errors;
 260         unsigned int rx_discards_no_buffer;
 261         unsigned int tx_discards_wrong_sa;
 262         unsigned int rx_discards_wep_undecryptable;
 263         unsigned int rx_message_in_msg_fragments;
 264         unsigned int rx_message_in_bad_msg_fragments;
 265 };
 266
 267
 268 struct hfa384x_regs {
 269         u16 cmd;
 270         u16 evstat;
 271         u16 offset0;
 272         u16 offset1;
 273         u16 swsupport0;
 274 };
 275
 276
 277 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
 278 /* I/O ports for HFA384X Controller access */
 279 #define HFA384X_CMD_OFF 0x00
 280 #define HFA384X_PARAM0_OFF 0x02
 281 #define HFA384X_PARAM1_OFF 0x04
 282 #define HFA384X_PARAM2_OFF 0x06
 283 #define HFA384X_STATUS_OFF 0x08
 284 #define HFA384X_RESP0_OFF 0x0A
 285 #define HFA384X_RESP1_OFF 0x0C
 286 #define HFA384X_RESP2_OFF 0x0E
 287 #define HFA384X_INFOFID_OFF 0x10
 288 #define HFA384X_CONTROL_OFF 0x14
 289 #define HFA384X_SELECT0_OFF 0x18
 290 #define HFA384X_SELECT1_OFF 0x1A
 291 #define HFA384X_OFFSET0_OFF 0x1C
 292 #define HFA384X_OFFSET1_OFF 0x1E
 293 #define HFA384X_RXFID_OFF 0x20
 294 #define HFA384X_ALLOCFID_OFF 0x22
 295 #define HFA384X_TXCOMPLFID_OFF 0x24
 296 #define HFA384X_SWSUPPORT0_OFF 0x28
 297 #define HFA384X_SWSUPPORT1_OFF 0x2A
 298 #define HFA384X_SWSUPPORT2_OFF 0x2C
 299 #define HFA384X_EVSTAT_OFF 0x30
 300 #define HFA384X_INTEN_OFF 0x32
 301 #define HFA384X_EVACK_OFF 0x34
 302 #define HFA384X_DATA0_OFF 0x36
 303 #define HFA384X_DATA1_OFF 0x38
 304 #define HFA384X_AUXPAGE_OFF 0x3A
 305 #define HFA384X_AUXOFFSET_OFF 0x3C
 306 #define HFA384X_AUXDATA_OFF 0x3E
 307 #endif /* PRISM2_PCCARD || PRISM2_PLX */
 308
 309 #ifdef PRISM2_PCI
 310 /* Memory addresses for ISL3874 controller access */
 311 #define HFA384X_CMD_OFF 0x00
 312 #define HFA384X_PARAM0_OFF 0x04
 313 #define HFA384X_PARAM1_OFF 0x08
 314 #define HFA384X_PARAM2_OFF 0x0C
 315 #define HFA384X_STATUS_OFF 0x10
 316 #define HFA384X_RESP0_OFF 0x14
 317 #define HFA384X_RESP1_OFF 0x18
 318 #define HFA384X_RESP2_OFF 0x1C
 319 #define HFA384X_INFOFID_OFF 0x20
 320 #define HFA384X_CONTROL_OFF 0x28
 321 #define HFA384X_SELECT0_OFF 0x30
 322 #define HFA384X_SELECT1_OFF 0x34
 323 #define HFA384X_OFFSET0_OFF 0x38
 324 #define HFA384X_OFFSET1_OFF 0x3C
 325 #define HFA384X_RXFID_OFF 0x40
 326 #define HFA384X_ALLOCFID_OFF 0x44
 327 #define HFA384X_TXCOMPLFID_OFF 0x48
 328 #define HFA384X_PCICOR_OFF 0x4C
 329 #define HFA384X_SWSUPPORT0_OFF 0x50
 330 #define HFA384X_SWSUPPORT1_OFF 0x54
 331 #define HFA384X_SWSUPPORT2_OFF 0x58
 332 #define HFA384X_PCIHCR_OFF 0x5C
 333 #define HFA384X_EVSTAT_OFF 0x60
 334 #define HFA384X_INTEN_OFF 0x64
 335 #define HFA384X_EVACK_OFF 0x68
 336 #define HFA384X_DATA0_OFF 0x6C
 337 #define HFA384X_DATA1_OFF 0x70
 338 #define HFA384X_AUXPAGE_OFF 0x74
 339 #define HFA384X_AUXOFFSET_OFF 0x78
 340 #define HFA384X_AUXDATA_OFF 0x7C
 341 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
 342 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
 343 #define HFA384X_PCI_M0_LEN_OFF 0x88
 344 #define HFA384X_PCI_M0_CTL_OFF 0x8C
 345 #define HFA384X_PCI_STATUS_OFF 0x98
 346 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
 347 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
 348 #define HFA384X_PCI_M1_LEN_OFF 0xA8
 349 #define HFA384X_PCI_M1_CTL_OFF 0xAC
 350
 351 /* PCI bus master control bits (these are undocumented; based on guessing and
 352  * experimenting..) */
 353 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
 354 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
 355
 356 #endif /* PRISM2_PCI */
 357
 358
 359 /* Command codes for CMD reg. */
 360 #define HFA384X_CMDCODE_INIT 0x00
 361 #define HFA384X_CMDCODE_ENABLE 0x01
 362 #define HFA384X_CMDCODE_DISABLE 0x02
 363 #define HFA384X_CMDCODE_ALLOC 0x0A
 364 #define HFA384X_CMDCODE_TRANSMIT 0x0B
 365 #define HFA384X_CMDCODE_INQUIRE 0x11
 366 #define HFA384X_CMDCODE_ACCESS 0x21
 367 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
 368 #define HFA384X_CMDCODE_DOWNLOAD 0x22
 369 #define HFA384X_CMDCODE_READMIF 0x30
 370 #define HFA384X_CMDCODE_WRITEMIF 0x31
 371 #define HFA384X_CMDCODE_TEST 0x38
 372
 373 #define HFA384X_CMDCODE_MASK 0x3F
 374
 375 /* Test mode operations */
 376 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
 377 #define HFA384X_TEST_MONITOR 0x0B
 378 #define HFA384X_TEST_STOP 0x0F
 379 #define HFA384X_TEST_CFG_BITS 0x15
 380 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
 381
 382 #define HFA384X_CMD_BUSY BIT(15)
 383
 384 #define HFA384X_CMD_TX_RECLAIM BIT(8)
 385
 386 #define HFA384X_OFFSET_ERR BIT(14)
 387 #define HFA384X_OFFSET_BUSY BIT(15)
 388
 389
 390 /* ProgMode for download command */
 391 #define HFA384X_PROGMODE_DISABLE 0
 392 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
 393 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
 394 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
 395
 396 #define HFA384X_AUX_MAGIC0 0xfe01
 397 #define HFA384X_AUX_MAGIC1 0xdc23
 398 #define HFA384X_AUX_MAGIC2 0xba45
 399
 400 #define HFA384X_AUX_PORT_DISABLED 0
 401 #define HFA384X_AUX_PORT_DISABLE BIT(14)
 402 #define HFA384X_AUX_PORT_ENABLE BIT(15)
 403 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
 404 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
 405
 406 #define PRISM2_PDA_SIZE 1024
 407
 408
 409 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
 410 #define HFA384X_EV_TICK BIT(15)
 411 #define HFA384X_EV_WTERR BIT(14)
 412 #define HFA384X_EV_INFDROP BIT(13)
 413 #ifdef PRISM2_PCI
 414 #define HFA384X_EV_PCI_M1 BIT(9)
 415 #define HFA384X_EV_PCI_M0 BIT(8)
 416 #endif /* PRISM2_PCI */
 417 #define HFA384X_EV_INFO BIT(7)
 418 #define HFA384X_EV_DTIM BIT(5)
 419 #define HFA384X_EV_CMD BIT(4)
 420 #define HFA384X_EV_ALLOC BIT(3)
 421 #define HFA384X_EV_TXEXC BIT(2)
 422 #define HFA384X_EV_TX BIT(1)
 423 #define HFA384X_EV_RX BIT(0)
 424
 425
 426 /* HFA384X Information frames */
 427 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
 428 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
 429 #define HFA384X_INFO_COMMTALLIES 0xF100
 430 #define HFA384X_INFO_SCANRESULTS 0xF101
 431 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
 432 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
 433 #define HFA384X_INFO_LINKSTATUS 0xF200
 434 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
 435 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
 436 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
 437 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
 438
 439 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
 440        HFA384X_LINKSTATUS_DISCONNECTED = 2,
 441        HFA384X_LINKSTATUS_AP_CHANGE = 3,
 442        HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
 443        HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
 444        HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
 445
 446 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
 447        HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
 448        HFA384X_PORTTYPE_HOSTAP = 6 };
 449
 450 #define HFA384X_RATES_1MBPS BIT(0)
 451 #define HFA384X_RATES_2MBPS BIT(1)
 452 #define HFA384X_RATES_5MBPS BIT(2)
 453 #define HFA384X_RATES_11MBPS BIT(3)
 454
 455 #define HFA384X_ROAMING_FIRMWARE 1
 456 #define HFA384X_ROAMING_HOST 2
 457 #define HFA384X_ROAMING_DISABLED 3
 458
 459 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
 460 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
 461 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
 462 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
 463
 464 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
 465 #define HFA384X_RX_STATUS_PCF BIT(12)
 466 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
 467 #define HFA384X_RX_STATUS_UNDECR BIT(1)
 468 #define HFA384X_RX_STATUS_FCSERR BIT(0)
 469
 470 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
 471 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
 472 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
 473 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
 474
 475 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
 476        HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
 477
 478
 479 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
 480 #define HFA384X_TX_CTRL_802_11 BIT(3)
 481 #define HFA384X_TX_CTRL_802_3 0
 482 #define HFA384X_TX_CTRL_TX_EX BIT(2)
 483 #define HFA384X_TX_CTRL_TX_OK BIT(1)
 484
 485 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
 486 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
 487 #define HFA384X_TX_STATUS_DISCON BIT(2)
 488 #define HFA384X_TX_STATUS_FORMERR BIT(3)
 489
 490 /* HFA3861/3863 (BBP) Control Registers */
 491 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
 492 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
 493 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
 494 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
 495 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
 496
 497
 498 #ifdef __KERNEL__
 499
 500 #define PRISM2_TXFID_COUNT 8
 501 #define PRISM2_DATA_MAXLEN 2304
 502 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
 503 #define PRISM2_TXFID_EMPTY 0xffff
 504 #define PRISM2_TXFID_RESERVED 0xfffe
 505 #define PRISM2_DUMMY_FID 0xffff
 506 #define MAX_SSID_LEN 32
 507 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
 508
 509 #define PRISM2_DUMP_RX_HDR BIT(0)
 510 #define PRISM2_DUMP_TX_HDR BIT(1)
 511 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
 512
 513 struct hostap_tx_callback_info {
 514         u16 idx;
 515         void (*func)(struct sk_buff *, int ok, void *);
 516         void *data;
 517         struct hostap_tx_callback_info *next;
 518 };
 519
 520
 521 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 522  * three fragmented frames. This define can be increased to support more
 523  * concurrent frames, but it should be noted that each entry can consume about
 524  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 525 #define PRISM2_FRAG_CACHE_LEN 4
 526
 527 struct prism2_frag_entry {
 528         unsigned long first_frag_time;
 529         unsigned int seq;
 530         unsigned int last_frag;
 531         struct sk_buff *skb;
 532         u8 src_addr[ETH_ALEN];
 533         u8 dst_addr[ETH_ALEN];
 534 };
 535
 536
 537 struct prism2_crypt_data {
 538         struct list_head list; /* delayed deletion list */
 539         struct hostap_crypto_ops *ops;
 540         void *priv;
 541         atomic_t refcnt;
 542 };
 543
 544 struct hostap_cmd_queue {
 545         struct list_head list;
 546         wait_queue_head_t compl;
 547         volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
 548         void (*callback)(struct net_device *dev, long context, u16 resp0,
 549                          u16 res);
 550         long context;
 551         u16 cmd, param0, param1;
 552         u16 resp0, res;
 553         volatile int issued, issuing;
 554
 555         atomic_t usecnt;
 556         int del_req;
 557 };
 558
 559 /* options for hw_shutdown */
 560 #define HOSTAP_HW_NO_DISABLE BIT(0)
 561 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
 562
 563 typedef struct local_info local_info_t;
 564
 565 struct prism2_helper_functions {
 566         /* these functions are defined in hardware model specific files
 567          * (hostap_{cs,plx,pci}.c */
 568         int (*card_present)(local_info_t *local);
 569         void (*cor_sreset)(local_info_t *local);
 570         int (*dev_open)(local_info_t *local);
 571         int (*dev_close)(local_info_t *local);
 572         void (*genesis_reset)(local_info_t *local, int hcr);
 573
 574         /* the following functions are from hostap_hw.c, but they may have some
 575          * hardware model specific code */
 576
 577         /* FIX: low-level commands like cmd might disappear at some point to
 578          * make it easier to change them if needed (e.g., cmd would be replaced
 579          * with write_mif/read_mif/testcmd/inquire); at least get_rid and
 580          * set_rid might move to hostap_{cs,plx,pci}.c */
 581         int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
 582                    u16 *resp0);
 583         void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
 584         int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
 585                        int exact_len);
 586         int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
 587         int (*hw_enable)(struct net_device *dev, int initial);
 588         int (*hw_config)(struct net_device *dev, int initial);
 589         void (*hw_reset)(struct net_device *dev);
 590         void (*hw_shutdown)(struct net_device *dev, int no_disable);
 591         int (*reset_port)(struct net_device *dev);
 592         void (*schedule_reset)(local_info_t *local);
 593         int (*download)(local_info_t *local,
 594                         struct prism2_download_param *param);
 595         int (*tx)(struct sk_buff *skb, struct net_device *dev);
 596         int (*set_tim)(struct net_device *dev, int aid, int set);
 597         int (*read_aux)(struct net_device *dev, unsigned addr, int len,
 598                         u8 *buf);
 599
 600         int need_tx_headroom; /* number of bytes of headroom needed before
 601                                * IEEE 802.11 header */
 602         enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
 603 };
 604
 605
 606 struct prism2_download_data {
 607         u32 dl_cmd;
 608         u32 start_addr;
 609         u32 num_areas;
 610         struct prism2_download_data_area {
 611                 u32 addr; /* wlan card address */
 612                 u32 len;
 613                 u8 *data; /* allocated data */
 614         } data[0];
 615 };
 616
 617
 618 #define HOSTAP_MAX_BSS_COUNT 64
 619 #define MAX_WPA_IE_LEN 64
 620
 621 struct hostap_bss_info {
 622         struct list_head list;
 623         unsigned long last_update;
 624         unsigned int count;
 625         u8 bssid[ETH_ALEN];
 626         u16 capab_info;
 627         u8 ssid[32];
 628         size_t ssid_len;
 629         u8 wpa_ie[MAX_WPA_IE_LEN];
 630         size_t wpa_ie_len;
 631         u8 rsn_ie[MAX_WPA_IE_LEN];
 632         size_t rsn_ie_len;
 633         int chan;
 634         int included;
 635 };
 636
 637
 638 /* Per radio private Host AP data - shared by all net devices interfaces used
 639  * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
 640  * ((struct hostap_interface *) netdev_priv(dev))->local points to this
 641  * structure. */
 642 struct local_info {
 643         struct module *hw_module;
 644         int card_idx;
 645         int dev_enabled;
 646         int master_dev_auto_open; /* was master device opened automatically */
 647         int num_dev_open; /* number of open devices */
 648         struct net_device *dev; /* master radio device */
 649         struct net_device *ddev; /* main data device */
 650         struct list_head hostap_interfaces; /* Host AP interface list (contains
 651                                              * struct hostap_interface entries)
 652                                              */
 653         rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
 654                               * when removing entries from the list.
 655                               * TX and RX paths can use read lock. */
 656         spinlock_t cmdlock, baplock, lock;
 657         struct semaphore rid_bap_sem;
 658         u16 infofid; /* MAC buffer id for info frame */
 659         /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
 660          * txfidlock */
 661         spinlock_t txfidlock;
 662         int txfid_len; /* length of allocated TX buffers */
 663         u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
 664         /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
 665          * corresponding txfid is free for next TX frame */
 666         u16 intransmitfid[PRISM2_TXFID_COUNT];
 667         int next_txfid; /* index to the next txfid to be checked for
 668                          * availability */
 669         int next_alloc; /* index to the next intransmitfid to be checked for
 670                          * allocation events */
 671
 672         /* bitfield for atomic bitops */
 673 #define HOSTAP_BITS_TRANSMIT 0
 674 #define HOSTAP_BITS_BAP_TASKLET 1
 675 #define HOSTAP_BITS_BAP_TASKLET2 2
 676         long bits;
 677
 678         struct ap_data *ap;
 679
 680         char essid[MAX_SSID_LEN + 1];
 681         char name[MAX_NAME_LEN + 1];
 682         int name_set;
 683         u16 channel_mask; /* mask of allowed channels */
 684         u16 scan_channel_mask; /* mask of channels to be scanned */
 685         struct comm_tallies_sums comm_tallies;
 686         struct net_device_stats stats;
 687         struct proc_dir_entry *proc;
 688         int iw_mode; /* operating mode (IW_MODE_*) */
 689         int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
 690                            * 1: IW_MODE_ADHOC is "pseudo IBSS" */
 691         char bssid[ETH_ALEN];
 692         int channel;
 693         int beacon_int;
 694         int dtim_period;
 695         int mtu;
 696         int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
 697         int fw_tx_rate_control;
 698         u16 tx_rate_control;
 699         u16 basic_rates;
 700         int hw_resetting;
 701         int hw_ready;
 702         int hw_reset_tries; /* how many times reset has been tried */
 703         int hw_downloading;
 704         int shutdown;
 705         int pri_only;
 706         int no_pri; /* no PRI f/w present */
 707         int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
 708
 709         enum {
 710                 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
 711                 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
 712         } txpower_type;
 713         int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
 714
 715         /* command queue for hfa384x_cmd(); protected with cmdlock */
 716         struct list_head cmd_queue;
 717         /* max_len for cmd_queue; in addition, cmd_callback can use two
 718          * additional entries to prevent sleeping commands from stopping
 719          * transmits */
 720 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
 721         int cmd_queue_len; /* number of entries in cmd_queue */
 722
 723         /* if card timeout is detected in interrupt context, reset_queue is
 724          * used to schedule card reseting to be done in user context */
 725         struct work_struct reset_queue;
 726
 727         /* For scheduling a change of the promiscuous mode RID */
 728         int is_promisc;
 729         struct work_struct set_multicast_list_queue;
 730
 731         struct work_struct set_tim_queue;
 732         struct list_head set_tim_list;
 733         spinlock_t set_tim_lock;
 734
 735         int wds_max_connections;
 736         int wds_connections;
 737 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
 738 #define HOSTAP_WDS_AP_CLIENT BIT(1)
 739 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
 740         u32 wds_type;
 741         u16 tx_control; /* flags to be used in TX description */
 742         int manual_retry_count; /* -1 = use f/w default; otherwise retry count
 743                                  * to be used with all frames */
 744
 745         struct iw_statistics wstats;
 746         unsigned long scan_timestamp; /* Time started to scan */
 747         enum {
 748                 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
 749                 PRISM2_MONITOR_CAPHDR = 2
 750         } monitor_type;
 751         int (*saved_eth_header_parse)(struct sk_buff *skb,
 752                                       unsigned char *haddr);
 753         int monitor_allow_fcserr;
 754
 755         int hostapd; /* whether user space daemon, hostapd, is used for AP
 756                       * management */
 757         int hostapd_sta; /* whether hostapd is used with an extra STA interface
 758                           */
 759         struct net_device *apdev;
 760         struct net_device_stats apdevstats;
 761
 762         char assoc_ap_addr[ETH_ALEN];
 763         struct net_device *stadev;
 764         struct net_device_stats stadevstats;
 765
 766 #define WEP_KEYS 4
 767 #define WEP_KEY_LEN 13
 768         struct prism2_crypt_data *crypt[WEP_KEYS];
 769         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
 770         struct timer_list crypt_deinit_timer;
 771         struct list_head crypt_deinit_list;
 772
 773         int open_wep; /* allow unencrypted frames */
 774         int host_encrypt;
 775         int host_decrypt;
 776         int privacy_invoked; /* force privacy invoked flag even if no keys are
 777                               * configured */
 778         int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
 779                             * in Host AP mode (STA f/w 1.4.9 or newer) */
 780         int bcrx_sta_key; /* use individual keys to override default keys even
 781                            * with RX of broad/multicast frames */
 782
 783         struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
 784         unsigned int frag_next_idx;
 785
 786         int ieee_802_1x; /* is IEEE 802.1X used */
 787
 788         int antsel_tx, antsel_rx;
 789         int rts_threshold; /* dot11RTSThreshold */
 790         int fragm_threshold; /* dot11FragmentationThreshold */
 791         int auth_algs; /* PRISM2_AUTH_ flags */
 792
 793         int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
 794         int tallies32; /* 32-bit tallies in use */
 795
 796         struct prism2_helper_functions *func;
 797
 798         int bus_master_threshold_tx;
 799         int bus_master_threshold_rx;
 800         u8 *bus_m1_buf;
 801
 802         u8 *pda;
 803         int fw_ap;
 804 #define PRISM2_FW_VER(major, minor, variant) \
 805 (((major) << 16) | ((minor) << 8) | variant)
 806         u32 sta_fw_ver;
 807
 808         /* Tasklets for handling hardware IRQ related operations outside hw IRQ
 809          * handler */
 810         struct tasklet_struct bap_tasklet;
 811
 812         struct tasklet_struct info_tasklet;
 813         struct sk_buff_head info_list; /* info frames as skb's for
 814                                         * info_tasklet */
 815
 816         struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
 817                                                       */
 818
 819         struct tasklet_struct rx_tasklet;
 820         struct sk_buff_head rx_list;
 821
 822         struct tasklet_struct sta_tx_exc_tasklet;
 823         struct sk_buff_head sta_tx_exc_list;
 824
 825         int host_roaming;
 826         unsigned long last_join_time; /* time of last JoinRequest */
 827         struct hfa384x_hostscan_result *last_scan_results;
 828         int last_scan_results_count;
 829         enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
 830         struct work_struct info_queue;
 831         long pending_info; /* bit field of pending info_queue items */
 832 #define PRISM2_INFO_PENDING_LINKSTATUS 0
 833 #define PRISM2_INFO_PENDING_SCANRESULTS 1
 834         int prev_link_status; /* previous received LinkStatus info */
 835         int prev_linkstatus_connected;
 836         u8 preferred_ap[6]; /* use this AP if possible */
 837
 838 #ifdef PRISM2_CALLBACK
 839         void *callback_data; /* Can be used in callbacks; e.g., allocate
 840                               * on enable event and free on disable event.
 841                               * Host AP driver code does not touch this. */
 842 #endif /* PRISM2_CALLBACK */
 843
 844         wait_queue_head_t hostscan_wq;
 845
 846         /* Passive scan in Host AP mode */
 847         struct timer_list passive_scan_timer;
 848         int passive_scan_interval; /* in seconds, 0 = disabled */
 849         int passive_scan_channel;
 850         enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
 851
 852         struct timer_list tick_timer;
 853         unsigned long last_tick_timer;
 854         unsigned int sw_tick_stuck;
 855
 856         /* commsQuality / dBmCommsQuality data from periodic polling; only
 857          * valid for Managed and Ad-hoc modes */
 858         unsigned long last_comms_qual_update;
 859         int comms_qual; /* in some odd unit.. */
 860         int avg_signal; /* in dB (note: negative) */
 861         int avg_noise; /* in dB (note: negative) */
 862         struct work_struct comms_qual_update;
 863
 864         /* RSSI to dBm adjustment (for RX descriptor fields) */
 865         int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
 866
 867         /* BSS list / protected by local->lock */
 868         struct list_head bss_list;
 869         int num_bss_info;
 870         int wpa; /* WPA support enabled */
 871         int tkip_countermeasures;
 872         int drop_unencrypted;
 873         /* Generic IEEE 802.11 info element to be added to
 874          * ProbeResp/Beacon/(Re)AssocReq */
 875         u8 *generic_elem;
 876         size_t generic_elem_len;
 877
 878 #ifdef PRISM2_DOWNLOAD_SUPPORT
 879         /* Persistent volatile download data */
 880         struct prism2_download_data *dl_pri;
 881         struct prism2_download_data *dl_sec;
 882 #endif /* PRISM2_DOWNLOAD_SUPPORT */
 883
 884 #ifdef PRISM2_IO_DEBUG
 885 #define PRISM2_IO_DEBUG_SIZE 10000
 886         u32 io_debug[PRISM2_IO_DEBUG_SIZE];
 887         int io_debug_head;
 888         int io_debug_enabled;
 889 #endif /* PRISM2_IO_DEBUG */
 890
 891         /* struct local_info is used also in hostap.o that does not define
 892          * any PRISM2_{PCCARD,PLX,PCI}. Make sure that the hardware version
 893          * specific fields are in the end of the struct (these could also be
 894          * moved to void *priv or something like that). */
 895 #ifdef PRISM2_PCCARD
 896         dev_node_t node;
 897         dev_link_t *link;
 898         int sandisk_connectplus;
 899 #endif /* PRISM2_PCCARD */
 900
 901 #ifdef PRISM2_PLX
 902         void __iomem *attr_mem;
 903         unsigned int cor_offset;
 904 #endif /* PRISM2_PLX */
 905
 906 #ifdef PRISM2_PCI
 907         void __iomem *mem_start;
 908 #ifdef PRISM2_BUS_MASTER
 909         /* bus master for BAP0 (TX) */
 910         int bus_m0_tx_idx;
 911         u8 *bus_m0_buf;
 912
 913         /* bus master for BAP1 (RX) */
 914         struct sk_buff *rx_skb;
 915 #endif /* PRISM2_BUS_MASTER */
 916 #endif /* PRISM2_PCI */
 917
 918         /* NOTE! Do not add common entries here after hardware version
 919          * specific blocks. */
 920 };
 921
 922
 923 /* Per interface private Host AP data
 924  * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
 925  * WDS) and netdev_priv(dev) points to this structure. */
 926 struct hostap_interface {
 927         struct list_head list; /* list entry in Host AP interface list */
 928         struct net_device *dev; /* pointer to this device */
 929         struct local_info *local; /* pointer to shared private data */
 930         struct net_device_stats stats;
 931         struct iw_spy_data spy_data; /* iwspy support */
 932         struct iw_public_data wireless_data;
 933
 934         enum {
 935                 HOSTAP_INTERFACE_MASTER,
 936                 HOSTAP_INTERFACE_MAIN,
 937                 HOSTAP_INTERFACE_AP,
 938                 HOSTAP_INTERFACE_STA,
 939                 HOSTAP_INTERFACE_WDS,
 940         } type;
 941
 942         union {
 943                 struct hostap_interface_wds {
 944                         u8 remote_addr[ETH_ALEN];
 945                 } wds;
 946         } u;
 947 };
 948
 949
 950 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
 951
 952 /* TX meta data - stored in skb->cb buffer, so this must be not increase over
 953  * 48-byte limit */
 954 struct hostap_skb_tx_data {
 955         unsigned int magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
 956         int rate; /* transmit rate */
 957         struct hostap_interface *iface;
 958         unsigned long jiffies; /* queueing timestamp */
 959         int wds;
 960         unsigned short ethertype;
 961         int tx_cb_idx;
 962 };
 963
 964
 965 #ifndef PRISM2_NO_DEBUG
 966
 967 #define DEBUG_FID BIT(0)
 968 #define DEBUG_PS BIT(1)
 969 #define DEBUG_FLOW BIT(2)
 970 #define DEBUG_AP BIT(3)
 971 #define DEBUG_HW BIT(4)
 972 #define DEBUG_EXTRA BIT(5)
 973 #define DEBUG_EXTRA2 BIT(6)
 974 #define DEBUG_PS2 BIT(7)
 975 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
 976 #define PDEBUG(n, args...) \
 977 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
 978 #define PDEBUG2(n, args...) \
 979 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
 980
 981 #else /* PRISM2_NO_DEBUG */
 982
 983 #define PDEBUG(n, args...)
 984 #define PDEBUG2(n, args...)
 985
 986 #endif /* PRISM2_NO_DEBUG */
 987
 988 enum { BAP0 = 0, BAP1 = 1 };
 989
 990 #define PRISM2_IO_DEBUG_CMD_INB 0
 991 #define PRISM2_IO_DEBUG_CMD_INW 1
 992 #define PRISM2_IO_DEBUG_CMD_INSW 2
 993 #define PRISM2_IO_DEBUG_CMD_OUTB 3
 994 #define PRISM2_IO_DEBUG_CMD_OUTW 4
 995 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
 996 #define PRISM2_IO_DEBUG_CMD_ERROR 6
 997 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
 998
 999 #ifdef PRISM2_IO_DEBUG
1000
1001 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
1002 (((cmd) << 24) | ((reg) << 16) | value)
1003
1004 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1005                                        int reg, int value)
1006 {
1007         struct hostap_interface *iface = netdev_priv(dev);
1008         local_info_t *local = iface->local;
1009
1010         if (!local->io_debug_enabled)
1011                 return;
1012
1013         local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
1014         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
1015                 local->io_debug_head = 0;
1016         local->io_debug[local->io_debug_head] =
1017                 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
1018         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
1019                 local->io_debug_head = 0;
1020 }
1021
1022
1023 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1024 {
1025         struct hostap_interface *iface = netdev_priv(dev);
1026         local_info_t *local = iface->local;
1027         unsigned long flags;
1028
1029         if (!local->io_debug_enabled)
1030                 return;
1031
1032         spin_lock_irqsave(&local->lock, flags);
1033         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
1034         if (local->io_debug_enabled == 1) {
1035                 local->io_debug_enabled = 0;
1036                 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
1037         }
1038         spin_unlock_irqrestore(&local->lock, flags);
1039 }
1040
1041 #else /* PRISM2_IO_DEBUG */
1042
1043 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1044                                        int reg, int value)
1045 {
1046 }
1047
1048 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1049 {
1050 }
1051
1052 #endif /* PRISM2_IO_DEBUG */
1053
1054
1055 #ifdef PRISM2_CALLBACK
1056 enum {
1057         /* Called when card is enabled */
1058         PRISM2_CALLBACK_ENABLE,
1059
1060         /* Called when card is disabled */
1061         PRISM2_CALLBACK_DISABLE,
1062
1063         /* Called when RX/TX starts/ends */
1064         PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1065         PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1066 };
1067 void prism2_callback(local_info_t *local, int event);
1068 #else /* PRISM2_CALLBACK */
1069 #define prism2_callback(d, e) do { } while (0)
1070 #endif /* PRISM2_CALLBACK */
1071
1072 #endif /* __KERNEL__ */
1073
1074 #endif /* HOSTAP_WLAN_H */