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 #ifndef ARPHRD_IEEE80211
  22 #define ARPHRD_IEEE80211 801
  23 #endif
  24 #ifndef ARPHRD_IEEE80211_PRISM
  25 #define ARPHRD_IEEE80211_PRISM 802
  26 #endif
  27
  28 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
  29  * (from linux-wlan-ng) */
  30 struct linux_wlan_ng_val {
  31         u32 did;
  32         u16 status, len;
  33         u32 data;
  34 } __attribute__ ((packed));
  35
  36 struct linux_wlan_ng_prism_hdr {
  37         u32 msgcode, msglen;
  38         char devname[16];
  39         struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
  40                 noise, rate, istx, frmlen;
  41 } __attribute__ ((packed));
  42
  43 struct linux_wlan_ng_cap_hdr {
  44         u32 version;
  45         u32 length;
  46         u64 mactime;
  47         u64 hosttime;
  48         u32 phytype;
  49         u32 channel;
  50         u32 datarate;
  51         u32 antenna;
  52         u32 priority;
  53         u32 ssi_type;
  54         s32 ssi_signal;
  55         s32 ssi_noise;
  56         u32 preamble;
  57         u32 encoding;
  58 } __attribute__ ((packed));
  59
  60 #define LWNG_CAP_DID_BASE   (4 | (1 << 6)) /* section 4, group 1 */
  61 #define LWNG_CAPHDR_VERSION 0x80211001
  62
  63 struct hfa384x_rx_frame {
  64         /* HFA384X RX frame descriptor */
  65         u16 status; /* HFA384X_RX_STATUS_ flags */
  66         u32 time; /* timestamp, 1 microsecond resolution */
  67         u8 silence; /* 27 .. 154; seems to be 0 */
  68         u8 signal; /* 27 .. 154 */
  69         u8 rate; /* 10, 20, 55, or 110 */
  70         u8 rxflow;
  71         u32 reserved;
  72
  73         /* 802.11 */
  74         u16 frame_control;
  75         u16 duration_id;
  76         u8 addr1[6];
  77         u8 addr2[6];
  78         u8 addr3[6];
  79         u16 seq_ctrl;
  80         u8 addr4[6];
  81         u16 data_len;
  82
  83         /* 802.3 */
  84         u8 dst_addr[6];
  85         u8 src_addr[6];
  86         u16 len;
  87
  88         /* followed by frame data; max 2304 bytes */
  89 } __attribute__ ((packed));
  90
  91
  92 struct hfa384x_tx_frame {
  93         /* HFA384X TX frame descriptor */
  94         u16 status; /* HFA384X_TX_STATUS_ flags */
  95         u16 reserved1;
  96         u16 reserved2;
  97         u32 sw_support;
  98         u8 retry_count; /* not yet implemented */
  99         u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
 100         u16 tx_control; /* HFA384X_TX_CTRL_ flags */
 101
 102         /* 802.11 */
 103         u16 frame_control; /* parts not used */
 104         u16 duration_id;
 105         u8 addr1[6];
 106         u8 addr2[6]; /* filled by firmware */
 107         u8 addr3[6];
 108         u16 seq_ctrl; /* filled by firmware */
 109         u8 addr4[6];
 110         u16 data_len;
 111
 112         /* 802.3 */
 113         u8 dst_addr[6];
 114         u8 src_addr[6];
 115         u16 len;
 116
 117         /* followed by frame data; max 2304 bytes */
 118 } __attribute__ ((packed));
 119
 120
 121 struct hfa384x_rid_hdr
 122 {
 123         u16 len;
 124         u16 rid;
 125 } __attribute__ ((packed));
 126
 127
 128 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
 129  * dBm value with some accuracy */
 130 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
 131
 132 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
 133
 134 struct hfa384x_scan_request {
 135         u16 channel_list;
 136         u16 txrate; /* HFA384X_RATES_* */
 137 } __attribute__ ((packed));
 138
 139 struct hfa384x_hostscan_request {
 140         u16 channel_list;
 141         u16 txrate;
 142         u16 target_ssid_len;
 143         u8 target_ssid[32];
 144 } __attribute__ ((packed));
 145
 146 struct hfa384x_join_request {
 147         u8 bssid[6];
 148         u16 channel;
 149 } __attribute__ ((packed));
 150
 151 struct hfa384x_info_frame {
 152         u16 len;
 153         u16 type;
 154 } __attribute__ ((packed));
 155
 156 struct hfa384x_comm_tallies {
 157         u16 tx_unicast_frames;
 158         u16 tx_multicast_frames;
 159         u16 tx_fragments;
 160         u16 tx_unicast_octets;
 161         u16 tx_multicast_octets;
 162         u16 tx_deferred_transmissions;
 163         u16 tx_single_retry_frames;
 164         u16 tx_multiple_retry_frames;
 165         u16 tx_retry_limit_exceeded;
 166         u16 tx_discards;
 167         u16 rx_unicast_frames;
 168         u16 rx_multicast_frames;
 169         u16 rx_fragments;
 170         u16 rx_unicast_octets;
 171         u16 rx_multicast_octets;
 172         u16 rx_fcs_errors;
 173         u16 rx_discards_no_buffer;
 174         u16 tx_discards_wrong_sa;
 175         u16 rx_discards_wep_undecryptable;
 176         u16 rx_message_in_msg_fragments;
 177         u16 rx_message_in_bad_msg_fragments;
 178 } __attribute__ ((packed));
 179
 180 struct hfa384x_comm_tallies32 {
 181         u32 tx_unicast_frames;
 182         u32 tx_multicast_frames;
 183         u32 tx_fragments;
 184         u32 tx_unicast_octets;
 185         u32 tx_multicast_octets;
 186         u32 tx_deferred_transmissions;
 187         u32 tx_single_retry_frames;
 188         u32 tx_multiple_retry_frames;
 189         u32 tx_retry_limit_exceeded;
 190         u32 tx_discards;
 191         u32 rx_unicast_frames;
 192         u32 rx_multicast_frames;
 193         u32 rx_fragments;
 194         u32 rx_unicast_octets;
 195         u32 rx_multicast_octets;
 196         u32 rx_fcs_errors;
 197         u32 rx_discards_no_buffer;
 198         u32 tx_discards_wrong_sa;
 199         u32 rx_discards_wep_undecryptable;
 200         u32 rx_message_in_msg_fragments;
 201         u32 rx_message_in_bad_msg_fragments;
 202 } __attribute__ ((packed));
 203
 204 struct hfa384x_scan_result_hdr {
 205         u16 reserved;
 206         u16 scan_reason;
 207 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
 208 #define HFA384X_SCAN_HOST_INITIATED 1
 209 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
 210 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
 211 } __attribute__ ((packed));
 212
 213 #define HFA384X_SCAN_MAX_RESULTS 32
 214
 215 struct hfa384x_scan_result {
 216         u16 chid;
 217         u16 anl;
 218         u16 sl;
 219         u8 bssid[6];
 220         u16 beacon_interval;
 221         u16 capability;
 222         u16 ssid_len;
 223         u8 ssid[32];
 224         u8 sup_rates[10];
 225         u16 rate;
 226 } __attribute__ ((packed));
 227
 228 struct hfa384x_hostscan_result {
 229         u16 chid;
 230         u16 anl;
 231         u16 sl;
 232         u8 bssid[6];
 233         u16 beacon_interval;
 234         u16 capability;
 235         u16 ssid_len;
 236         u8 ssid[32];
 237         u8 sup_rates[10];
 238         u16 rate;
 239         u16 atim;
 240 } __attribute__ ((packed));
 241
 242 struct comm_tallies_sums {
 243         unsigned int tx_unicast_frames;
 244         unsigned int tx_multicast_frames;
 245         unsigned int tx_fragments;
 246         unsigned int tx_unicast_octets;
 247         unsigned int tx_multicast_octets;
 248         unsigned int tx_deferred_transmissions;
 249         unsigned int tx_single_retry_frames;
 250         unsigned int tx_multiple_retry_frames;
 251         unsigned int tx_retry_limit_exceeded;
 252         unsigned int tx_discards;
 253         unsigned int rx_unicast_frames;
 254         unsigned int rx_multicast_frames;
 255         unsigned int rx_fragments;
 256         unsigned int rx_unicast_octets;
 257         unsigned int rx_multicast_octets;
 258         unsigned int rx_fcs_errors;
 259         unsigned int rx_discards_no_buffer;
 260         unsigned int tx_discards_wrong_sa;
 261         unsigned int rx_discards_wep_undecryptable;
 262         unsigned int rx_message_in_msg_fragments;
 263         unsigned int rx_message_in_bad_msg_fragments;
 264 };
 265
 266
 267 struct hfa384x_regs {
 268         u16 cmd;
 269         u16 evstat;
 270         u16 offset0;
 271         u16 offset1;
 272         u16 swsupport0;
 273 };
 274
 275
 276 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
 277 /* I/O ports for HFA384X Controller access */
 278 #define HFA384X_CMD_OFF 0x00
 279 #define HFA384X_PARAM0_OFF 0x02
 280 #define HFA384X_PARAM1_OFF 0x04
 281 #define HFA384X_PARAM2_OFF 0x06
 282 #define HFA384X_STATUS_OFF 0x08
 283 #define HFA384X_RESP0_OFF 0x0A
 284 #define HFA384X_RESP1_OFF 0x0C
 285 #define HFA384X_RESP2_OFF 0x0E
 286 #define HFA384X_INFOFID_OFF 0x10
 287 #define HFA384X_CONTROL_OFF 0x14
 288 #define HFA384X_SELECT0_OFF 0x18
 289 #define HFA384X_SELECT1_OFF 0x1A
 290 #define HFA384X_OFFSET0_OFF 0x1C
 291 #define HFA384X_OFFSET1_OFF 0x1E
 292 #define HFA384X_RXFID_OFF 0x20
 293 #define HFA384X_ALLOCFID_OFF 0x22
 294 #define HFA384X_TXCOMPLFID_OFF 0x24
 295 #define HFA384X_SWSUPPORT0_OFF 0x28
 296 #define HFA384X_SWSUPPORT1_OFF 0x2A
 297 #define HFA384X_SWSUPPORT2_OFF 0x2C
 298 #define HFA384X_EVSTAT_OFF 0x30
 299 #define HFA384X_INTEN_OFF 0x32
 300 #define HFA384X_EVACK_OFF 0x34
 301 #define HFA384X_DATA0_OFF 0x36
 302 #define HFA384X_DATA1_OFF 0x38
 303 #define HFA384X_AUXPAGE_OFF 0x3A
 304 #define HFA384X_AUXOFFSET_OFF 0x3C
 305 #define HFA384X_AUXDATA_OFF 0x3E
 306 #endif /* PRISM2_PCCARD || PRISM2_PLX */
 307
 308 #ifdef PRISM2_PCI
 309 /* Memory addresses for ISL3874 controller access */
 310 #define HFA384X_CMD_OFF 0x00
 311 #define HFA384X_PARAM0_OFF 0x04
 312 #define HFA384X_PARAM1_OFF 0x08
 313 #define HFA384X_PARAM2_OFF 0x0C
 314 #define HFA384X_STATUS_OFF 0x10
 315 #define HFA384X_RESP0_OFF 0x14
 316 #define HFA384X_RESP1_OFF 0x18
 317 #define HFA384X_RESP2_OFF 0x1C
 318 #define HFA384X_INFOFID_OFF 0x20
 319 #define HFA384X_CONTROL_OFF 0x28
 320 #define HFA384X_SELECT0_OFF 0x30
 321 #define HFA384X_SELECT1_OFF 0x34
 322 #define HFA384X_OFFSET0_OFF 0x38
 323 #define HFA384X_OFFSET1_OFF 0x3C
 324 #define HFA384X_RXFID_OFF 0x40
 325 #define HFA384X_ALLOCFID_OFF 0x44
 326 #define HFA384X_TXCOMPLFID_OFF 0x48
 327 #define HFA384X_PCICOR_OFF 0x4C
 328 #define HFA384X_SWSUPPORT0_OFF 0x50
 329 #define HFA384X_SWSUPPORT1_OFF 0x54
 330 #define HFA384X_SWSUPPORT2_OFF 0x58
 331 #define HFA384X_PCIHCR_OFF 0x5C
 332 #define HFA384X_EVSTAT_OFF 0x60
 333 #define HFA384X_INTEN_OFF 0x64
 334 #define HFA384X_EVACK_OFF 0x68
 335 #define HFA384X_DATA0_OFF 0x6C
 336 #define HFA384X_DATA1_OFF 0x70
 337 #define HFA384X_AUXPAGE_OFF 0x74
 338 #define HFA384X_AUXOFFSET_OFF 0x78
 339 #define HFA384X_AUXDATA_OFF 0x7C
 340 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
 341 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
 342 #define HFA384X_PCI_M0_LEN_OFF 0x88
 343 #define HFA384X_PCI_M0_CTL_OFF 0x8C
 344 #define HFA384X_PCI_STATUS_OFF 0x98
 345 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
 346 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
 347 #define HFA384X_PCI_M1_LEN_OFF 0xA8
 348 #define HFA384X_PCI_M1_CTL_OFF 0xAC
 349
 350 /* PCI bus master control bits (these are undocumented; based on guessing and
 351  * experimenting..) */
 352 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
 353 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
 354
 355 #endif /* PRISM2_PCI */
 356
 357
 358 /* Command codes for CMD reg. */
 359 #define HFA384X_CMDCODE_INIT 0x00
 360 #define HFA384X_CMDCODE_ENABLE 0x01
 361 #define HFA384X_CMDCODE_DISABLE 0x02
 362 #define HFA384X_CMDCODE_ALLOC 0x0A
 363 #define HFA384X_CMDCODE_TRANSMIT 0x0B
 364 #define HFA384X_CMDCODE_INQUIRE 0x11
 365 #define HFA384X_CMDCODE_ACCESS 0x21
 366 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
 367 #define HFA384X_CMDCODE_DOWNLOAD 0x22
 368 #define HFA384X_CMDCODE_READMIF 0x30
 369 #define HFA384X_CMDCODE_WRITEMIF 0x31
 370 #define HFA384X_CMDCODE_TEST 0x38
 371
 372 #define HFA384X_CMDCODE_MASK 0x3F
 373
 374 /* Test mode operations */
 375 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
 376 #define HFA384X_TEST_MONITOR 0x0B
 377 #define HFA384X_TEST_STOP 0x0F
 378 #define HFA384X_TEST_CFG_BITS 0x15
 379 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
 380
 381 #define HFA384X_CMD_BUSY BIT(15)
 382
 383 #define HFA384X_CMD_TX_RECLAIM BIT(8)
 384
 385 #define HFA384X_OFFSET_ERR BIT(14)
 386 #define HFA384X_OFFSET_BUSY BIT(15)
 387
 388
 389 /* ProgMode for download command */
 390 #define HFA384X_PROGMODE_DISABLE 0
 391 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
 392 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
 393 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
 394
 395 #define HFA384X_AUX_MAGIC0 0xfe01
 396 #define HFA384X_AUX_MAGIC1 0xdc23
 397 #define HFA384X_AUX_MAGIC2 0xba45
 398
 399 #define HFA384X_AUX_PORT_DISABLED 0
 400 #define HFA384X_AUX_PORT_DISABLE BIT(14)
 401 #define HFA384X_AUX_PORT_ENABLE BIT(15)
 402 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
 403 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
 404
 405 #define PRISM2_PDA_SIZE 1024
 406
 407
 408 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
 409 #define HFA384X_EV_TICK BIT(15)
 410 #define HFA384X_EV_WTERR BIT(14)
 411 #define HFA384X_EV_INFDROP BIT(13)
 412 #ifdef PRISM2_PCI
 413 #define HFA384X_EV_PCI_M1 BIT(9)
 414 #define HFA384X_EV_PCI_M0 BIT(8)
 415 #endif /* PRISM2_PCI */
 416 #define HFA384X_EV_INFO BIT(7)
 417 #define HFA384X_EV_DTIM BIT(5)
 418 #define HFA384X_EV_CMD BIT(4)
 419 #define HFA384X_EV_ALLOC BIT(3)
 420 #define HFA384X_EV_TXEXC BIT(2)
 421 #define HFA384X_EV_TX BIT(1)
 422 #define HFA384X_EV_RX BIT(0)
 423
 424
 425 /* HFA384X Information frames */
 426 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
 427 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
 428 #define HFA384X_INFO_COMMTALLIES 0xF100
 429 #define HFA384X_INFO_SCANRESULTS 0xF101
 430 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
 431 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
 432 #define HFA384X_INFO_LINKSTATUS 0xF200
 433 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
 434 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
 435 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
 436 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
 437
 438 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
 439        HFA384X_LINKSTATUS_DISCONNECTED = 2,
 440        HFA384X_LINKSTATUS_AP_CHANGE = 3,
 441        HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
 442        HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
 443        HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
 444
 445 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
 446        HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
 447        HFA384X_PORTTYPE_HOSTAP = 6 };
 448
 449 #define HFA384X_RATES_1MBPS BIT(0)
 450 #define HFA384X_RATES_2MBPS BIT(1)
 451 #define HFA384X_RATES_5MBPS BIT(2)
 452 #define HFA384X_RATES_11MBPS BIT(3)
 453
 454 #define HFA384X_ROAMING_FIRMWARE 1
 455 #define HFA384X_ROAMING_HOST 2
 456 #define HFA384X_ROAMING_DISABLED 3
 457
 458 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
 459 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
 460 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
 461 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
 462
 463 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
 464 #define HFA384X_RX_STATUS_PCF BIT(12)
 465 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
 466 #define HFA384X_RX_STATUS_UNDECR BIT(1)
 467 #define HFA384X_RX_STATUS_FCSERR BIT(0)
 468
 469 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
 470 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
 471 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
 472 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
 473
 474 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
 475        HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
 476
 477
 478 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
 479 #define HFA384X_TX_CTRL_802_11 BIT(3)
 480 #define HFA384X_TX_CTRL_802_3 0
 481 #define HFA384X_TX_CTRL_TX_EX BIT(2)
 482 #define HFA384X_TX_CTRL_TX_OK BIT(1)
 483
 484 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
 485 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
 486 #define HFA384X_TX_STATUS_DISCON BIT(2)
 487 #define HFA384X_TX_STATUS_FORMERR BIT(3)
 488
 489 /* HFA3861/3863 (BBP) Control Registers */
 490 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
 491 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
 492 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
 493 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
 494 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
 495
 496
 497 #ifdef __KERNEL__
 498
 499 #define PRISM2_TXFID_COUNT 8
 500 #define PRISM2_DATA_MAXLEN 2304
 501 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
 502 #define PRISM2_TXFID_EMPTY 0xffff
 503 #define PRISM2_TXFID_RESERVED 0xfffe
 504 #define PRISM2_DUMMY_FID 0xffff
 505 #define MAX_SSID_LEN 32
 506 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
 507
 508 #define PRISM2_DUMP_RX_HDR BIT(0)
 509 #define PRISM2_DUMP_TX_HDR BIT(1)
 510 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
 511
 512 struct hostap_tx_callback_info {
 513         u16 idx;
 514         void (*func)(struct sk_buff *, int ok, void *);
 515         void *data;
 516         struct hostap_tx_callback_info *next;
 517 };
 518
 519
 520 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 521  * three fragmented frames. This define can be increased to support more
 522  * concurrent frames, but it should be noted that each entry can consume about
 523  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 524 #define PRISM2_FRAG_CACHE_LEN 4
 525
 526 struct prism2_frag_entry {
 527         unsigned long first_frag_time;
 528         unsigned int seq;
 529         unsigned int last_frag;
 530         struct sk_buff *skb;
 531         u8 src_addr[ETH_ALEN];
 532         u8 dst_addr[ETH_ALEN];
 533 };
 534
 535
 536 struct hostap_cmd_queue {
 537         struct list_head list;
 538         wait_queue_head_t compl;
 539         volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
 540         void (*callback)(struct net_device *dev, long context, u16 resp0,
 541                          u16 res);
 542         long context;
 543         u16 cmd, param0, param1;
 544         u16 resp0, res;
 545         volatile int issued, issuing;
 546
 547         atomic_t usecnt;
 548         int del_req;
 549 };
 550
 551 /* options for hw_shutdown */
 552 #define HOSTAP_HW_NO_DISABLE BIT(0)
 553 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
 554
 555 typedef struct local_info local_info_t;
 556
 557 struct prism2_helper_functions {
 558         /* these functions are defined in hardware model specific files
 559          * (hostap_{cs,plx,pci}.c */
 560         int (*card_present)(local_info_t *local);
 561         void (*cor_sreset)(local_info_t *local);
 562         int (*dev_open)(local_info_t *local);
 563         int (*dev_close)(local_info_t *local);
 564         void (*genesis_reset)(local_info_t *local, int hcr);
 565
 566         /* the following functions are from hostap_hw.c, but they may have some
 567          * hardware model specific code */
 568
 569         /* FIX: low-level commands like cmd might disappear at some point to
 570          * make it easier to change them if needed (e.g., cmd would be replaced
 571          * with write_mif/read_mif/testcmd/inquire); at least get_rid and
 572          * set_rid might move to hostap_{cs,plx,pci}.c */
 573         int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
 574                    u16 *resp0);
 575         void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
 576         int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
 577                        int exact_len);
 578         int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
 579         int (*hw_enable)(struct net_device *dev, int initial);
 580         int (*hw_config)(struct net_device *dev, int initial);
 581         void (*hw_reset)(struct net_device *dev);
 582         void (*hw_shutdown)(struct net_device *dev, int no_disable);
 583         int (*reset_port)(struct net_device *dev);
 584         void (*schedule_reset)(local_info_t *local);
 585         int (*download)(local_info_t *local,
 586                         struct prism2_download_param *param);
 587         int (*tx)(struct sk_buff *skb, struct net_device *dev);
 588         int (*set_tim)(struct net_device *dev, int aid, int set);
 589         int (*read_aux)(struct net_device *dev, unsigned addr, int len,
 590                         u8 *buf);
 591
 592         int need_tx_headroom; /* number of bytes of headroom needed before
 593                                * IEEE 802.11 header */
 594         enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
 595 };
 596
 597
 598 struct prism2_download_data {
 599         u32 dl_cmd;
 600         u32 start_addr;
 601         u32 num_areas;
 602         struct prism2_download_data_area {
 603                 u32 addr; /* wlan card address */
 604                 u32 len;
 605                 u8 *data; /* allocated data */
 606         } data[0];
 607 };
 608
 609
 610 #define HOSTAP_MAX_BSS_COUNT 64
 611 #define MAX_WPA_IE_LEN 64
 612
 613 struct hostap_bss_info {
 614         struct list_head list;
 615         unsigned long last_update;
 616         unsigned int count;
 617         u8 bssid[ETH_ALEN];
 618         u16 capab_info;
 619         u8 ssid[32];
 620         size_t ssid_len;
 621         u8 wpa_ie[MAX_WPA_IE_LEN];
 622         size_t wpa_ie_len;
 623         u8 rsn_ie[MAX_WPA_IE_LEN];
 624         size_t rsn_ie_len;
 625         int chan;
 626         int included;
 627 };
 628
 629
 630 /* Per radio private Host AP data - shared by all net devices interfaces used
 631  * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
 632  * ((struct hostap_interface *) netdev_priv(dev))->local points to this
 633  * structure. */
 634 struct local_info {
 635         struct module *hw_module;
 636         int card_idx;
 637         int dev_enabled;
 638         int master_dev_auto_open; /* was master device opened automatically */
 639         int num_dev_open; /* number of open devices */
 640         struct net_device *dev; /* master radio device */
 641         struct net_device *ddev; /* main data device */
 642         struct list_head hostap_interfaces; /* Host AP interface list (contains
 643                                              * struct hostap_interface entries)
 644                                              */
 645         rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
 646                               * when removing entries from the list.
 647                               * TX and RX paths can use read lock. */
 648         spinlock_t cmdlock, baplock, lock;
 649         struct semaphore rid_bap_sem;
 650         u16 infofid; /* MAC buffer id for info frame */
 651         /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
 652          * txfidlock */
 653         spinlock_t txfidlock;
 654         int txfid_len; /* length of allocated TX buffers */
 655         u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
 656         /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
 657          * corresponding txfid is free for next TX frame */
 658         u16 intransmitfid[PRISM2_TXFID_COUNT];
 659         int next_txfid; /* index to the next txfid to be checked for
 660                          * availability */
 661         int next_alloc; /* index to the next intransmitfid to be checked for
 662                          * allocation events */
 663
 664         /* bitfield for atomic bitops */
 665 #define HOSTAP_BITS_TRANSMIT 0
 666 #define HOSTAP_BITS_BAP_TASKLET 1
 667 #define HOSTAP_BITS_BAP_TASKLET2 2
 668         long bits;
 669
 670         struct ap_data *ap;
 671
 672         char essid[MAX_SSID_LEN + 1];
 673         char name[MAX_NAME_LEN + 1];
 674         int name_set;
 675         u16 channel_mask; /* mask of allowed channels */
 676         u16 scan_channel_mask; /* mask of channels to be scanned */
 677         struct comm_tallies_sums comm_tallies;
 678         struct net_device_stats stats;
 679         struct proc_dir_entry *proc;
 680         int iw_mode; /* operating mode (IW_MODE_*) */
 681         int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
 682                            * 1: IW_MODE_ADHOC is "pseudo IBSS" */
 683         char bssid[ETH_ALEN];
 684         int channel;
 685         int beacon_int;
 686         int dtim_period;
 687         int mtu;
 688         int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
 689         int fw_tx_rate_control;
 690         u16 tx_rate_control;
 691         u16 basic_rates;
 692         int hw_resetting;
 693         int hw_ready;
 694         int hw_reset_tries; /* how many times reset has been tried */
 695         int hw_downloading;
 696         int shutdown;
 697         int pri_only;
 698         int no_pri; /* no PRI f/w present */
 699         int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
 700
 701         enum {
 702                 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
 703                 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
 704         } txpower_type;
 705         int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
 706
 707         /* command queue for hfa384x_cmd(); protected with cmdlock */
 708         struct list_head cmd_queue;
 709         /* max_len for cmd_queue; in addition, cmd_callback can use two
 710          * additional entries to prevent sleeping commands from stopping
 711          * transmits */
 712 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
 713         int cmd_queue_len; /* number of entries in cmd_queue */
 714
 715         /* if card timeout is detected in interrupt context, reset_queue is
 716          * used to schedule card reseting to be done in user context */
 717         struct work_struct reset_queue;
 718
 719         /* For scheduling a change of the promiscuous mode RID */
 720         int is_promisc;
 721         struct work_struct set_multicast_list_queue;
 722
 723         struct work_struct set_tim_queue;
 724         struct list_head set_tim_list;
 725         spinlock_t set_tim_lock;
 726
 727         int wds_max_connections;
 728         int wds_connections;
 729 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
 730 #define HOSTAP_WDS_AP_CLIENT BIT(1)
 731 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
 732         u32 wds_type;
 733         u16 tx_control; /* flags to be used in TX description */
 734         int manual_retry_count; /* -1 = use f/w default; otherwise retry count
 735                                  * to be used with all frames */
 736
 737         struct iw_statistics wstats;
 738         unsigned long scan_timestamp; /* Time started to scan */
 739         enum {
 740                 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
 741                 PRISM2_MONITOR_CAPHDR = 2
 742         } monitor_type;
 743         int (*saved_eth_header_parse)(struct sk_buff *skb,
 744                                       unsigned char *haddr);
 745         int monitor_allow_fcserr;
 746
 747         int hostapd; /* whether user space daemon, hostapd, is used for AP
 748                       * management */
 749         int hostapd_sta; /* whether hostapd is used with an extra STA interface
 750                           */
 751         struct net_device *apdev;
 752         struct net_device_stats apdevstats;
 753
 754         char assoc_ap_addr[ETH_ALEN];
 755         struct net_device *stadev;
 756         struct net_device_stats stadevstats;
 757
 758 #define WEP_KEYS 4
 759 #define WEP_KEY_LEN 13
 760         struct ieee80211_crypt_data *crypt[WEP_KEYS];
 761         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
 762         struct timer_list crypt_deinit_timer;
 763         struct list_head crypt_deinit_list;
 764
 765         int open_wep; /* allow unencrypted frames */
 766         int host_encrypt;
 767         int host_decrypt;
 768         int privacy_invoked; /* force privacy invoked flag even if no keys are
 769                               * configured */
 770         int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
 771                             * in Host AP mode (STA f/w 1.4.9 or newer) */
 772         int bcrx_sta_key; /* use individual keys to override default keys even
 773                            * with RX of broad/multicast frames */
 774
 775         struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
 776         unsigned int frag_next_idx;
 777
 778         int ieee_802_1x; /* is IEEE 802.1X used */
 779
 780         int antsel_tx, antsel_rx;
 781         int rts_threshold; /* dot11RTSThreshold */
 782         int fragm_threshold; /* dot11FragmentationThreshold */
 783         int auth_algs; /* PRISM2_AUTH_ flags */
 784
 785         int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
 786         int tallies32; /* 32-bit tallies in use */
 787
 788         struct prism2_helper_functions *func;
 789
 790         u8 *pda;
 791         int fw_ap;
 792 #define PRISM2_FW_VER(major, minor, variant) \
 793 (((major) << 16) | ((minor) << 8) | variant)
 794         u32 sta_fw_ver;
 795
 796         /* Tasklets for handling hardware IRQ related operations outside hw IRQ
 797          * handler */
 798         struct tasklet_struct bap_tasklet;
 799
 800         struct tasklet_struct info_tasklet;
 801         struct sk_buff_head info_list; /* info frames as skb's for
 802                                         * info_tasklet */
 803
 804         struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
 805                                                       */
 806
 807         struct tasklet_struct rx_tasklet;
 808         struct sk_buff_head rx_list;
 809
 810         struct tasklet_struct sta_tx_exc_tasklet;
 811         struct sk_buff_head sta_tx_exc_list;
 812
 813         int host_roaming;
 814         unsigned long last_join_time; /* time of last JoinRequest */
 815         struct hfa384x_hostscan_result *last_scan_results;
 816         int last_scan_results_count;
 817         enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
 818         struct work_struct info_queue;
 819         long pending_info; /* bit field of pending info_queue items */
 820 #define PRISM2_INFO_PENDING_LINKSTATUS 0
 821 #define PRISM2_INFO_PENDING_SCANRESULTS 1
 822         int prev_link_status; /* previous received LinkStatus info */
 823         int prev_linkstatus_connected;
 824         u8 preferred_ap[6]; /* use this AP if possible */
 825
 826 #ifdef PRISM2_CALLBACK
 827         void *callback_data; /* Can be used in callbacks; e.g., allocate
 828                               * on enable event and free on disable event.
 829                               * Host AP driver code does not touch this. */
 830 #endif /* PRISM2_CALLBACK */
 831
 832         wait_queue_head_t hostscan_wq;
 833
 834         /* Passive scan in Host AP mode */
 835         struct timer_list passive_scan_timer;
 836         int passive_scan_interval; /* in seconds, 0 = disabled */
 837         int passive_scan_channel;
 838         enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
 839
 840         struct timer_list tick_timer;
 841         unsigned long last_tick_timer;
 842         unsigned int sw_tick_stuck;
 843
 844         /* commsQuality / dBmCommsQuality data from periodic polling; only
 845          * valid for Managed and Ad-hoc modes */
 846         unsigned long last_comms_qual_update;
 847         int comms_qual; /* in some odd unit.. */
 848         int avg_signal; /* in dB (note: negative) */
 849         int avg_noise; /* in dB (note: negative) */
 850         struct work_struct comms_qual_update;
 851
 852         /* RSSI to dBm adjustment (for RX descriptor fields) */
 853         int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
 854
 855         /* BSS list / protected by local->lock */
 856         struct list_head bss_list;
 857         int num_bss_info;
 858         int wpa; /* WPA support enabled */
 859         int tkip_countermeasures;
 860         int drop_unencrypted;
 861         /* Generic IEEE 802.11 info element to be added to
 862          * ProbeResp/Beacon/(Re)AssocReq */
 863         u8 *generic_elem;
 864         size_t generic_elem_len;
 865
 866 #ifdef PRISM2_DOWNLOAD_SUPPORT
 867         /* Persistent volatile download data */
 868         struct prism2_download_data *dl_pri;
 869         struct prism2_download_data *dl_sec;
 870 #endif /* PRISM2_DOWNLOAD_SUPPORT */
 871
 872 #ifdef PRISM2_IO_DEBUG
 873 #define PRISM2_IO_DEBUG_SIZE 10000
 874         u32 io_debug[PRISM2_IO_DEBUG_SIZE];
 875         int io_debug_head;
 876         int io_debug_enabled;
 877 #endif /* PRISM2_IO_DEBUG */
 878
 879         /* Pointer to hardware model specific (cs,pci,plx) private data. */
 880         void *hw_priv;
 881 };
 882
 883
 884 /* Per interface private Host AP data
 885  * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
 886  * WDS) and netdev_priv(dev) points to this structure. */
 887 struct hostap_interface {
 888         struct list_head list; /* list entry in Host AP interface list */
 889         struct net_device *dev; /* pointer to this device */
 890         struct local_info *local; /* pointer to shared private data */
 891         struct net_device_stats stats;
 892         struct iw_spy_data spy_data; /* iwspy support */
 893         struct iw_public_data wireless_data;
 894
 895         enum {
 896                 HOSTAP_INTERFACE_MASTER,
 897                 HOSTAP_INTERFACE_MAIN,
 898                 HOSTAP_INTERFACE_AP,
 899                 HOSTAP_INTERFACE_STA,
 900                 HOSTAP_INTERFACE_WDS,
 901         } type;
 902
 903         union {
 904                 struct hostap_interface_wds {
 905                         u8 remote_addr[ETH_ALEN];
 906                 } wds;
 907         } u;
 908 };
 909
 910
 911 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
 912
 913 /*
 914  * TX meta data - stored in skb->cb buffer, so this must not be increased over
 915  * the 40-byte limit
 916  */
 917 struct hostap_skb_tx_data {
 918         u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
 919         u8 rate; /* transmit rate */
 920 #define HOSTAP_TX_FLAGS_WDS BIT(0)
 921 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
 922 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
 923         u8 flags; /* HOSTAP_TX_FLAGS_* */
 924         u16 tx_cb_idx;
 925         struct hostap_interface *iface;
 926         unsigned long jiffies; /* queueing timestamp */
 927         unsigned short ethertype;
 928 };
 929
 930
 931 #ifndef PRISM2_NO_DEBUG
 932
 933 #define DEBUG_FID BIT(0)
 934 #define DEBUG_PS BIT(1)
 935 #define DEBUG_FLOW BIT(2)
 936 #define DEBUG_AP BIT(3)
 937 #define DEBUG_HW BIT(4)
 938 #define DEBUG_EXTRA BIT(5)
 939 #define DEBUG_EXTRA2 BIT(6)
 940 #define DEBUG_PS2 BIT(7)
 941 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
 942 #define PDEBUG(n, args...) \
 943 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
 944 #define PDEBUG2(n, args...) \
 945 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
 946
 947 #else /* PRISM2_NO_DEBUG */
 948
 949 #define PDEBUG(n, args...)
 950 #define PDEBUG2(n, args...)
 951
 952 #endif /* PRISM2_NO_DEBUG */
 953
 954 enum { BAP0 = 0, BAP1 = 1 };
 955
 956 #define PRISM2_IO_DEBUG_CMD_INB 0
 957 #define PRISM2_IO_DEBUG_CMD_INW 1
 958 #define PRISM2_IO_DEBUG_CMD_INSW 2
 959 #define PRISM2_IO_DEBUG_CMD_OUTB 3
 960 #define PRISM2_IO_DEBUG_CMD_OUTW 4
 961 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
 962 #define PRISM2_IO_DEBUG_CMD_ERROR 6
 963 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
 964
 965 #ifdef PRISM2_IO_DEBUG
 966
 967 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
 968 (((cmd) << 24) | ((reg) << 16) | value)
 969
 970 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
 971                                        int reg, int value)
 972 {
 973         struct hostap_interface *iface = netdev_priv(dev);
 974         local_info_t *local = iface->local;
 975
 976         if (!local->io_debug_enabled)
 977                 return;
 978
 979         local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
 980         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 981                 local->io_debug_head = 0;
 982         local->io_debug[local->io_debug_head] =
 983                 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
 984         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 985                 local->io_debug_head = 0;
 986 }
 987
 988
 989 static inline void prism2_io_debug_error(struct net_device *dev, int err)
 990 {
 991         struct hostap_interface *iface = netdev_priv(dev);
 992         local_info_t *local = iface->local;
 993         unsigned long flags;
 994
 995         if (!local->io_debug_enabled)
 996                 return;
 997
 998         spin_lock_irqsave(&local->lock, flags);
 999         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
1000         if (local->io_debug_enabled == 1) {
1001                 local->io_debug_enabled = 0;
1002                 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
1003         }
1004         spin_unlock_irqrestore(&local->lock, flags);
1005 }
1006
1007 #else /* PRISM2_IO_DEBUG */
1008
1009 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1010                                        int reg, int value)
1011 {
1012 }
1013
1014 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1015 {
1016 }
1017
1018 #endif /* PRISM2_IO_DEBUG */
1019
1020
1021 #ifdef PRISM2_CALLBACK
1022 enum {
1023         /* Called when card is enabled */
1024         PRISM2_CALLBACK_ENABLE,
1025
1026         /* Called when card is disabled */
1027         PRISM2_CALLBACK_DISABLE,
1028
1029         /* Called when RX/TX starts/ends */
1030         PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1031         PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1032 };
1033 void prism2_callback(local_info_t *local, int event);
1034 #else /* PRISM2_CALLBACK */
1035 #define prism2_callback(d, e) do { } while (0)
1036 #endif /* PRISM2_CALLBACK */
1037
1038 #endif /* __KERNEL__ */
1039
1040 #endif /* HOSTAP_WLAN_H */