drivers/net/wireless/hostap/hostap_wlan.h

   1 #ifndef HOSTAP_WLAN_H
   2 #define HOSTAP_WLAN_H
   3
   4 #include <linux/wireless.h>
   5 #include <linux/netdevice.h>
   6 #include <net/iw_handler.h>
   7
   8 #include "hostap_config.h"
   9 #include "hostap_common.h"
  10
  11 #define MAX_PARM_DEVICES 8
  12 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
  13 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
  14 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
  15
  16
  17 /* Specific skb->protocol value that indicates that the packet already contains
  18  * txdesc header.
  19  * FIX: This might need own value that would be allocated especially for Prism2
  20  * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
  21  * However, these skb's should have only minimal path in the kernel side since
  22  * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
  23 #define ETH_P_HOSTAP ETH_P_CONTROL
  24
  25 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
  26  * (from linux-wlan-ng) */
  27 struct linux_wlan_ng_val {
  28         u32 did;
  29         u16 status, len;
  30         u32 data;
  31 } __attribute__ ((packed));
  32
  33 struct linux_wlan_ng_prism_hdr {
  34         u32 msgcode, msglen;
  35         char devname[16];
  36         struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
  37                 noise, rate, istx, frmlen;
  38 } __attribute__ ((packed));
  39
  40 struct linux_wlan_ng_cap_hdr {
  41         u32 version;
  42         u32 length;
  43         u64 mactime;
  44         u64 hosttime;
  45         u32 phytype;
  46         u32 channel;
  47         u32 datarate;
  48         u32 antenna;
  49         u32 priority;
  50         u32 ssi_type;
  51         s32 ssi_signal;
  52         s32 ssi_noise;
  53         u32 preamble;
  54         u32 encoding;
  55 } __attribute__ ((packed));
  56
  57 #define LWNG_CAP_DID_BASE   (4 | (1 << 6)) /* section 4, group 1 */
  58 #define LWNG_CAPHDR_VERSION 0x80211001
  59
  60 struct hfa384x_rx_frame {
  61         /* HFA384X RX frame descriptor */
  62         u16 status; /* HFA384X_RX_STATUS_ flags */
  63         u32 time; /* timestamp, 1 microsecond resolution */
  64         u8 silence; /* 27 .. 154; seems to be 0 */
  65         u8 signal; /* 27 .. 154 */
  66         u8 rate; /* 10, 20, 55, or 110 */
  67         u8 rxflow;
  68         u32 reserved;
  69
  70         /* 802.11 */
  71         u16 frame_control;
  72         u16 duration_id;
  73         u8 addr1[6];
  74         u8 addr2[6];
  75         u8 addr3[6];
  76         u16 seq_ctrl;
  77         u8 addr4[6];
  78         u16 data_len;
  79
  80         /* 802.3 */
  81         u8 dst_addr[6];
  82         u8 src_addr[6];
  83         u16 len;
  84
  85         /* followed by frame data; max 2304 bytes */
  86 } __attribute__ ((packed));
  87
  88
  89 struct hfa384x_tx_frame {
  90         /* HFA384X TX frame descriptor */
  91         u16 status; /* HFA384X_TX_STATUS_ flags */
  92         u16 reserved1;
  93         u16 reserved2;
  94         u32 sw_support;
  95         u8 retry_count; /* not yet implemented */
  96         u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
  97         u16 tx_control; /* HFA384X_TX_CTRL_ flags */
  98
  99         /* 802.11 */
 100         u16 frame_control; /* parts not used */
 101         u16 duration_id;
 102         u8 addr1[6];
 103         u8 addr2[6]; /* filled by firmware */
 104         u8 addr3[6];
 105         u16 seq_ctrl; /* filled by firmware */
 106         u8 addr4[6];
 107         u16 data_len;
 108
 109         /* 802.3 */
 110         u8 dst_addr[6];
 111         u8 src_addr[6];
 112         u16 len;
 113
 114         /* followed by frame data; max 2304 bytes */
 115 } __attribute__ ((packed));
 116
 117
 118 struct hfa384x_rid_hdr
 119 {
 120         u16 len;
 121         u16 rid;
 122 } __attribute__ ((packed));
 123
 124
 125 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
 126  * dBm value with some accuracy */
 127 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
 128
 129 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
 130
 131 struct hfa384x_scan_request {
 132         u16 channel_list;
 133         u16 txrate; /* HFA384X_RATES_* */
 134 } __attribute__ ((packed));
 135
 136 struct hfa384x_hostscan_request {
 137         u16 channel_list;
 138         u16 txrate;
 139         u16 target_ssid_len;
 140         u8 target_ssid[32];
 141 } __attribute__ ((packed));
 142
 143 struct hfa384x_join_request {
 144         u8 bssid[6];
 145         u16 channel;
 146 } __attribute__ ((packed));
 147
 148 struct hfa384x_info_frame {
 149         u16 len;
 150         u16 type;
 151 } __attribute__ ((packed));
 152
 153 struct hfa384x_comm_tallies {
 154         u16 tx_unicast_frames;
 155         u16 tx_multicast_frames;
 156         u16 tx_fragments;
 157         u16 tx_unicast_octets;
 158         u16 tx_multicast_octets;
 159         u16 tx_deferred_transmissions;
 160         u16 tx_single_retry_frames;
 161         u16 tx_multiple_retry_frames;
 162         u16 tx_retry_limit_exceeded;
 163         u16 tx_discards;
 164         u16 rx_unicast_frames;
 165         u16 rx_multicast_frames;
 166         u16 rx_fragments;
 167         u16 rx_unicast_octets;
 168         u16 rx_multicast_octets;
 169         u16 rx_fcs_errors;
 170         u16 rx_discards_no_buffer;
 171         u16 tx_discards_wrong_sa;
 172         u16 rx_discards_wep_undecryptable;
 173         u16 rx_message_in_msg_fragments;
 174         u16 rx_message_in_bad_msg_fragments;
 175 } __attribute__ ((packed));
 176
 177 struct hfa384x_comm_tallies32 {
 178         u32 tx_unicast_frames;
 179         u32 tx_multicast_frames;
 180         u32 tx_fragments;
 181         u32 tx_unicast_octets;
 182         u32 tx_multicast_octets;
 183         u32 tx_deferred_transmissions;
 184         u32 tx_single_retry_frames;
 185         u32 tx_multiple_retry_frames;
 186         u32 tx_retry_limit_exceeded;
 187         u32 tx_discards;
 188         u32 rx_unicast_frames;
 189         u32 rx_multicast_frames;
 190         u32 rx_fragments;
 191         u32 rx_unicast_octets;
 192         u32 rx_multicast_octets;
 193         u32 rx_fcs_errors;
 194         u32 rx_discards_no_buffer;
 195         u32 tx_discards_wrong_sa;
 196         u32 rx_discards_wep_undecryptable;
 197         u32 rx_message_in_msg_fragments;
 198         u32 rx_message_in_bad_msg_fragments;
 199 } __attribute__ ((packed));
 200
 201 struct hfa384x_scan_result_hdr {
 202         u16 reserved;
 203         u16 scan_reason;
 204 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
 205 #define HFA384X_SCAN_HOST_INITIATED 1
 206 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
 207 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
 208 } __attribute__ ((packed));
 209
 210 #define HFA384X_SCAN_MAX_RESULTS 32
 211
 212 struct hfa384x_scan_result {
 213         u16 chid;
 214         u16 anl;
 215         u16 sl;
 216         u8 bssid[6];
 217         u16 beacon_interval;
 218         u16 capability;
 219         u16 ssid_len;
 220         u8 ssid[32];
 221         u8 sup_rates[10];
 222         u16 rate;
 223 } __attribute__ ((packed));
 224
 225 struct hfa384x_hostscan_result {
 226         u16 chid;
 227         u16 anl;
 228         u16 sl;
 229         u8 bssid[6];
 230         u16 beacon_interval;
 231         u16 capability;
 232         u16 ssid_len;
 233         u8 ssid[32];
 234         u8 sup_rates[10];
 235         u16 rate;
 236         u16 atim;
 237 } __attribute__ ((packed));
 238
 239 struct comm_tallies_sums {
 240         unsigned int tx_unicast_frames;
 241         unsigned int tx_multicast_frames;
 242         unsigned int tx_fragments;
 243         unsigned int tx_unicast_octets;
 244         unsigned int tx_multicast_octets;
 245         unsigned int tx_deferred_transmissions;
 246         unsigned int tx_single_retry_frames;
 247         unsigned int tx_multiple_retry_frames;
 248         unsigned int tx_retry_limit_exceeded;
 249         unsigned int tx_discards;
 250         unsigned int rx_unicast_frames;
 251         unsigned int rx_multicast_frames;
 252         unsigned int rx_fragments;
 253         unsigned int rx_unicast_octets;
 254         unsigned int rx_multicast_octets;
 255         unsigned int rx_fcs_errors;
 256         unsigned int rx_discards_no_buffer;
 257         unsigned int tx_discards_wrong_sa;
 258         unsigned int rx_discards_wep_undecryptable;
 259         unsigned int rx_message_in_msg_fragments;
 260         unsigned int rx_message_in_bad_msg_fragments;
 261 };
 262
 263
 264 struct hfa384x_regs {
 265         u16 cmd;
 266         u16 evstat;
 267         u16 offset0;
 268         u16 offset1;
 269         u16 swsupport0;
 270 };
 271
 272
 273 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
 274 /* I/O ports for HFA384X Controller access */
 275 #define HFA384X_CMD_OFF 0x00
 276 #define HFA384X_PARAM0_OFF 0x02
 277 #define HFA384X_PARAM1_OFF 0x04
 278 #define HFA384X_PARAM2_OFF 0x06
 279 #define HFA384X_STATUS_OFF 0x08
 280 #define HFA384X_RESP0_OFF 0x0A
 281 #define HFA384X_RESP1_OFF 0x0C
 282 #define HFA384X_RESP2_OFF 0x0E
 283 #define HFA384X_INFOFID_OFF 0x10
 284 #define HFA384X_CONTROL_OFF 0x14
 285 #define HFA384X_SELECT0_OFF 0x18
 286 #define HFA384X_SELECT1_OFF 0x1A
 287 #define HFA384X_OFFSET0_OFF 0x1C
 288 #define HFA384X_OFFSET1_OFF 0x1E
 289 #define HFA384X_RXFID_OFF 0x20
 290 #define HFA384X_ALLOCFID_OFF 0x22
 291 #define HFA384X_TXCOMPLFID_OFF 0x24
 292 #define HFA384X_SWSUPPORT0_OFF 0x28
 293 #define HFA384X_SWSUPPORT1_OFF 0x2A
 294 #define HFA384X_SWSUPPORT2_OFF 0x2C
 295 #define HFA384X_EVSTAT_OFF 0x30
 296 #define HFA384X_INTEN_OFF 0x32
 297 #define HFA384X_EVACK_OFF 0x34
 298 #define HFA384X_DATA0_OFF 0x36
 299 #define HFA384X_DATA1_OFF 0x38
 300 #define HFA384X_AUXPAGE_OFF 0x3A
 301 #define HFA384X_AUXOFFSET_OFF 0x3C
 302 #define HFA384X_AUXDATA_OFF 0x3E
 303 #endif /* PRISM2_PCCARD || PRISM2_PLX */
 304
 305 #ifdef PRISM2_PCI
 306 /* Memory addresses for ISL3874 controller access */
 307 #define HFA384X_CMD_OFF 0x00
 308 #define HFA384X_PARAM0_OFF 0x04
 309 #define HFA384X_PARAM1_OFF 0x08
 310 #define HFA384X_PARAM2_OFF 0x0C
 311 #define HFA384X_STATUS_OFF 0x10
 312 #define HFA384X_RESP0_OFF 0x14
 313 #define HFA384X_RESP1_OFF 0x18
 314 #define HFA384X_RESP2_OFF 0x1C
 315 #define HFA384X_INFOFID_OFF 0x20
 316 #define HFA384X_CONTROL_OFF 0x28
 317 #define HFA384X_SELECT0_OFF 0x30
 318 #define HFA384X_SELECT1_OFF 0x34
 319 #define HFA384X_OFFSET0_OFF 0x38
 320 #define HFA384X_OFFSET1_OFF 0x3C
 321 #define HFA384X_RXFID_OFF 0x40
 322 #define HFA384X_ALLOCFID_OFF 0x44
 323 #define HFA384X_TXCOMPLFID_OFF 0x48
 324 #define HFA384X_PCICOR_OFF 0x4C
 325 #define HFA384X_SWSUPPORT0_OFF 0x50
 326 #define HFA384X_SWSUPPORT1_OFF 0x54
 327 #define HFA384X_SWSUPPORT2_OFF 0x58
 328 #define HFA384X_PCIHCR_OFF 0x5C
 329 #define HFA384X_EVSTAT_OFF 0x60
 330 #define HFA384X_INTEN_OFF 0x64
 331 #define HFA384X_EVACK_OFF 0x68
 332 #define HFA384X_DATA0_OFF 0x6C
 333 #define HFA384X_DATA1_OFF 0x70
 334 #define HFA384X_AUXPAGE_OFF 0x74
 335 #define HFA384X_AUXOFFSET_OFF 0x78
 336 #define HFA384X_AUXDATA_OFF 0x7C
 337 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
 338 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
 339 #define HFA384X_PCI_M0_LEN_OFF 0x88
 340 #define HFA384X_PCI_M0_CTL_OFF 0x8C
 341 #define HFA384X_PCI_STATUS_OFF 0x98
 342 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
 343 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
 344 #define HFA384X_PCI_M1_LEN_OFF 0xA8
 345 #define HFA384X_PCI_M1_CTL_OFF 0xAC
 346
 347 /* PCI bus master control bits (these are undocumented; based on guessing and
 348  * experimenting..) */
 349 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
 350 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
 351
 352 #endif /* PRISM2_PCI */
 353
 354
 355 /* Command codes for CMD reg. */
 356 #define HFA384X_CMDCODE_INIT 0x00
 357 #define HFA384X_CMDCODE_ENABLE 0x01
 358 #define HFA384X_CMDCODE_DISABLE 0x02
 359 #define HFA384X_CMDCODE_ALLOC 0x0A
 360 #define HFA384X_CMDCODE_TRANSMIT 0x0B
 361 #define HFA384X_CMDCODE_INQUIRE 0x11
 362 #define HFA384X_CMDCODE_ACCESS 0x21
 363 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
 364 #define HFA384X_CMDCODE_DOWNLOAD 0x22
 365 #define HFA384X_CMDCODE_READMIF 0x30
 366 #define HFA384X_CMDCODE_WRITEMIF 0x31
 367 #define HFA384X_CMDCODE_TEST 0x38
 368
 369 #define HFA384X_CMDCODE_MASK 0x3F
 370
 371 /* Test mode operations */
 372 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
 373 #define HFA384X_TEST_MONITOR 0x0B
 374 #define HFA384X_TEST_STOP 0x0F
 375 #define HFA384X_TEST_CFG_BITS 0x15
 376 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
 377
 378 #define HFA384X_CMD_BUSY BIT(15)
 379
 380 #define HFA384X_CMD_TX_RECLAIM BIT(8)
 381
 382 #define HFA384X_OFFSET_ERR BIT(14)
 383 #define HFA384X_OFFSET_BUSY BIT(15)
 384
 385
 386 /* ProgMode for download command */
 387 #define HFA384X_PROGMODE_DISABLE 0
 388 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
 389 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
 390 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
 391
 392 #define HFA384X_AUX_MAGIC0 0xfe01
 393 #define HFA384X_AUX_MAGIC1 0xdc23
 394 #define HFA384X_AUX_MAGIC2 0xba45
 395
 396 #define HFA384X_AUX_PORT_DISABLED 0
 397 #define HFA384X_AUX_PORT_DISABLE BIT(14)
 398 #define HFA384X_AUX_PORT_ENABLE BIT(15)
 399 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
 400 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
 401
 402 #define PRISM2_PDA_SIZE 1024
 403
 404
 405 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
 406 #define HFA384X_EV_TICK BIT(15)
 407 #define HFA384X_EV_WTERR BIT(14)
 408 #define HFA384X_EV_INFDROP BIT(13)
 409 #ifdef PRISM2_PCI
 410 #define HFA384X_EV_PCI_M1 BIT(9)
 411 #define HFA384X_EV_PCI_M0 BIT(8)
 412 #endif /* PRISM2_PCI */
 413 #define HFA384X_EV_INFO BIT(7)
 414 #define HFA384X_EV_DTIM BIT(5)
 415 #define HFA384X_EV_CMD BIT(4)
 416 #define HFA384X_EV_ALLOC BIT(3)
 417 #define HFA384X_EV_TXEXC BIT(2)
 418 #define HFA384X_EV_TX BIT(1)
 419 #define HFA384X_EV_RX BIT(0)
 420
 421
 422 /* HFA384X Information frames */
 423 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
 424 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
 425 #define HFA384X_INFO_COMMTALLIES 0xF100
 426 #define HFA384X_INFO_SCANRESULTS 0xF101
 427 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
 428 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
 429 #define HFA384X_INFO_LINKSTATUS 0xF200
 430 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
 431 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
 432 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
 433 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
 434
 435 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
 436        HFA384X_LINKSTATUS_DISCONNECTED = 2,
 437        HFA384X_LINKSTATUS_AP_CHANGE = 3,
 438        HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
 439        HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
 440        HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
 441
 442 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
 443        HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
 444        HFA384X_PORTTYPE_HOSTAP = 6 };
 445
 446 #define HFA384X_RATES_1MBPS BIT(0)
 447 #define HFA384X_RATES_2MBPS BIT(1)
 448 #define HFA384X_RATES_5MBPS BIT(2)
 449 #define HFA384X_RATES_11MBPS BIT(3)
 450
 451 #define HFA384X_ROAMING_FIRMWARE 1
 452 #define HFA384X_ROAMING_HOST 2
 453 #define HFA384X_ROAMING_DISABLED 3
 454
 455 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
 456 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
 457 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
 458 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
 459
 460 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
 461 #define HFA384X_RX_STATUS_PCF BIT(12)
 462 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
 463 #define HFA384X_RX_STATUS_UNDECR BIT(1)
 464 #define HFA384X_RX_STATUS_FCSERR BIT(0)
 465
 466 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
 467 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
 468 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
 469 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
 470
 471 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
 472        HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
 473
 474
 475 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
 476 #define HFA384X_TX_CTRL_802_11 BIT(3)
 477 #define HFA384X_TX_CTRL_802_3 0
 478 #define HFA384X_TX_CTRL_TX_EX BIT(2)
 479 #define HFA384X_TX_CTRL_TX_OK BIT(1)
 480
 481 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
 482 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
 483 #define HFA384X_TX_STATUS_DISCON BIT(2)
 484 #define HFA384X_TX_STATUS_FORMERR BIT(3)
 485
 486 /* HFA3861/3863 (BBP) Control Registers */
 487 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
 488 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
 489 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
 490 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
 491 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
 492
 493
 494 #ifdef __KERNEL__
 495
 496 #define PRISM2_TXFID_COUNT 8
 497 #define PRISM2_DATA_MAXLEN 2304
 498 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
 499 #define PRISM2_TXFID_EMPTY 0xffff
 500 #define PRISM2_TXFID_RESERVED 0xfffe
 501 #define PRISM2_DUMMY_FID 0xffff
 502 #define MAX_SSID_LEN 32
 503 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
 504
 505 #define PRISM2_DUMP_RX_HDR BIT(0)
 506 #define PRISM2_DUMP_TX_HDR BIT(1)
 507 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
 508
 509 struct hostap_tx_callback_info {
 510         u16 idx;
 511         void (*func)(struct sk_buff *, int ok, void *);
 512         void *data;
 513         struct hostap_tx_callback_info *next;
 514 };
 515
 516
 517 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 518  * three fragmented frames. This define can be increased to support more
 519  * concurrent frames, but it should be noted that each entry can consume about
 520  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 521 #define PRISM2_FRAG_CACHE_LEN 4
 522
 523 struct prism2_frag_entry {
 524         unsigned long first_frag_time;
 525         unsigned int seq;
 526         unsigned int last_frag;
 527         struct sk_buff *skb;
 528         u8 src_addr[ETH_ALEN];
 529         u8 dst_addr[ETH_ALEN];
 530 };
 531
 532
 533 struct hostap_cmd_queue {
 534         struct list_head list;
 535         wait_queue_head_t compl;
 536         volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
 537         void (*callback)(struct net_device *dev, long context, u16 resp0,
 538                          u16 res);
 539         long context;
 540         u16 cmd, param0, param1;
 541         u16 resp0, res;
 542         volatile int issued, issuing;
 543
 544         atomic_t usecnt;
 545         int del_req;
 546 };
 547
 548 /* options for hw_shutdown */
 549 #define HOSTAP_HW_NO_DISABLE BIT(0)
 550 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
 551
 552 typedef struct local_info local_info_t;
 553
 554 struct prism2_helper_functions {
 555         /* these functions are defined in hardware model specific files
 556          * (hostap_{cs,plx,pci}.c */
 557         int (*card_present)(local_info_t *local);
 558         void (*cor_sreset)(local_info_t *local);
 559         void (*genesis_reset)(local_info_t *local, int hcr);
 560
 561         /* the following functions are from hostap_hw.c, but they may have some
 562          * hardware model specific code */
 563
 564         /* FIX: low-level commands like cmd might disappear at some point to
 565          * make it easier to change them if needed (e.g., cmd would be replaced
 566          * with write_mif/read_mif/testcmd/inquire); at least get_rid and
 567          * set_rid might move to hostap_{cs,plx,pci}.c */
 568         int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
 569                    u16 *resp0);
 570         void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
 571         int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
 572                        int exact_len);
 573         int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
 574         int (*hw_enable)(struct net_device *dev, int initial);
 575         int (*hw_config)(struct net_device *dev, int initial);
 576         void (*hw_reset)(struct net_device *dev);
 577         void (*hw_shutdown)(struct net_device *dev, int no_disable);
 578         int (*reset_port)(struct net_device *dev);
 579         void (*schedule_reset)(local_info_t *local);
 580         int (*download)(local_info_t *local,
 581                         struct prism2_download_param *param);
 582         int (*tx)(struct sk_buff *skb, struct net_device *dev);
 583         int (*set_tim)(struct net_device *dev, int aid, int set);
 584         int (*read_aux)(struct net_device *dev, unsigned addr, int len,
 585                         u8 *buf);
 586
 587         int need_tx_headroom; /* number of bytes of headroom needed before
 588                                * IEEE 802.11 header */
 589         enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
 590 };
 591
 592
 593 struct prism2_download_data {
 594         u32 dl_cmd;
 595         u32 start_addr;
 596         u32 num_areas;
 597         struct prism2_download_data_area {
 598                 u32 addr; /* wlan card address */
 599                 u32 len;
 600                 u8 *data; /* allocated data */
 601         } data[0];
 602 };
 603
 604
 605 #define HOSTAP_MAX_BSS_COUNT 64
 606 #define MAX_WPA_IE_LEN 64
 607
 608 struct hostap_bss_info {
 609         struct list_head list;
 610         unsigned long last_update;
 611         unsigned int count;
 612         u8 bssid[ETH_ALEN];
 613         u16 capab_info;
 614         u8 ssid[32];
 615         size_t ssid_len;
 616         u8 wpa_ie[MAX_WPA_IE_LEN];
 617         size_t wpa_ie_len;
 618         u8 rsn_ie[MAX_WPA_IE_LEN];
 619         size_t rsn_ie_len;
 620         int chan;
 621         int included;
 622 };
 623
 624
 625 /* Per radio private Host AP data - shared by all net devices interfaces used
 626  * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
 627  * ((struct hostap_interface *) netdev_priv(dev))->local points to this
 628  * structure. */
 629 struct local_info {
 630         struct module *hw_module;
 631         int card_idx;
 632         int dev_enabled;
 633         int master_dev_auto_open; /* was master device opened automatically */
 634         int num_dev_open; /* number of open devices */
 635         struct net_device *dev; /* master radio device */
 636         struct net_device *ddev; /* main data device */
 637         struct list_head hostap_interfaces; /* Host AP interface list (contains
 638                                              * struct hostap_interface entries)
 639                                              */
 640         rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
 641                               * when removing entries from the list.
 642                               * TX and RX paths can use read lock. */
 643         spinlock_t cmdlock, baplock, lock;
 644         struct semaphore rid_bap_sem;
 645         u16 infofid; /* MAC buffer id for info frame */
 646         /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
 647          * txfidlock */
 648         spinlock_t txfidlock;
 649         int txfid_len; /* length of allocated TX buffers */
 650         u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
 651         /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
 652          * corresponding txfid is free for next TX frame */
 653         u16 intransmitfid[PRISM2_TXFID_COUNT];
 654         int next_txfid; /* index to the next txfid to be checked for
 655                          * availability */
 656         int next_alloc; /* index to the next intransmitfid to be checked for
 657                          * allocation events */
 658
 659         /* bitfield for atomic bitops */
 660 #define HOSTAP_BITS_TRANSMIT 0
 661 #define HOSTAP_BITS_BAP_TASKLET 1
 662 #define HOSTAP_BITS_BAP_TASKLET2 2
 663         long bits;
 664
 665         struct ap_data *ap;
 666
 667         char essid[MAX_SSID_LEN + 1];
 668         char name[MAX_NAME_LEN + 1];
 669         int name_set;
 670         u16 channel_mask; /* mask of allowed channels */
 671         u16 scan_channel_mask; /* mask of channels to be scanned */
 672         struct comm_tallies_sums comm_tallies;
 673         struct net_device_stats stats;
 674         struct proc_dir_entry *proc;
 675         int iw_mode; /* operating mode (IW_MODE_*) */
 676         int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
 677                            * 1: IW_MODE_ADHOC is "pseudo IBSS" */
 678         char bssid[ETH_ALEN];
 679         int channel;
 680         int beacon_int;
 681         int dtim_period;
 682         int mtu;
 683         int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
 684         int fw_tx_rate_control;
 685         u16 tx_rate_control;
 686         u16 basic_rates;
 687         int hw_resetting;
 688         int hw_ready;
 689         int hw_reset_tries; /* how many times reset has been tried */
 690         int hw_downloading;
 691         int shutdown;
 692         int pri_only;
 693         int no_pri; /* no PRI f/w present */
 694         int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
 695
 696         enum {
 697                 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
 698                 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
 699         } txpower_type;
 700         int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
 701
 702         /* command queue for hfa384x_cmd(); protected with cmdlock */
 703         struct list_head cmd_queue;
 704         /* max_len for cmd_queue; in addition, cmd_callback can use two
 705          * additional entries to prevent sleeping commands from stopping
 706          * transmits */
 707 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
 708         int cmd_queue_len; /* number of entries in cmd_queue */
 709
 710         /* if card timeout is detected in interrupt context, reset_queue is
 711          * used to schedule card reseting to be done in user context */
 712         struct work_struct reset_queue;
 713
 714         /* For scheduling a change of the promiscuous mode RID */
 715         int is_promisc;
 716         struct work_struct set_multicast_list_queue;
 717
 718         struct work_struct set_tim_queue;
 719         struct list_head set_tim_list;
 720         spinlock_t set_tim_lock;
 721
 722         int wds_max_connections;
 723         int wds_connections;
 724 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
 725 #define HOSTAP_WDS_AP_CLIENT BIT(1)
 726 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
 727         u32 wds_type;
 728         u16 tx_control; /* flags to be used in TX description */
 729         int manual_retry_count; /* -1 = use f/w default; otherwise retry count
 730                                  * to be used with all frames */
 731
 732         struct iw_statistics wstats;
 733         unsigned long scan_timestamp; /* Time started to scan */
 734         enum {
 735                 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
 736                 PRISM2_MONITOR_CAPHDR = 2
 737         } monitor_type;
 738         int (*saved_eth_header_parse)(struct sk_buff *skb,
 739                                       unsigned char *haddr);
 740         int monitor_allow_fcserr;
 741
 742         int hostapd; /* whether user space daemon, hostapd, is used for AP
 743                       * management */
 744         int hostapd_sta; /* whether hostapd is used with an extra STA interface
 745                           */
 746         struct net_device *apdev;
 747         struct net_device_stats apdevstats;
 748
 749         char assoc_ap_addr[ETH_ALEN];
 750         struct net_device *stadev;
 751         struct net_device_stats stadevstats;
 752
 753 #define WEP_KEYS 4
 754 #define WEP_KEY_LEN 13
 755         struct ieee80211_crypt_data *crypt[WEP_KEYS];
 756         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
 757         struct timer_list crypt_deinit_timer;
 758         struct list_head crypt_deinit_list;
 759
 760         int open_wep; /* allow unencrypted frames */
 761         int host_encrypt;
 762         int host_decrypt;
 763         int privacy_invoked; /* force privacy invoked flag even if no keys are
 764                               * configured */
 765         int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
 766                             * in Host AP mode (STA f/w 1.4.9 or newer) */
 767         int bcrx_sta_key; /* use individual keys to override default keys even
 768                            * with RX of broad/multicast frames */
 769
 770         struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
 771         unsigned int frag_next_idx;
 772
 773         int ieee_802_1x; /* is IEEE 802.1X used */
 774
 775         int antsel_tx, antsel_rx;
 776         int rts_threshold; /* dot11RTSThreshold */
 777         int fragm_threshold; /* dot11FragmentationThreshold */
 778         int auth_algs; /* PRISM2_AUTH_ flags */
 779
 780         int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
 781         int tallies32; /* 32-bit tallies in use */
 782
 783         struct prism2_helper_functions *func;
 784
 785         u8 *pda;
 786         int fw_ap;
 787 #define PRISM2_FW_VER(major, minor, variant) \
 788 (((major) << 16) | ((minor) << 8) | variant)
 789         u32 sta_fw_ver;
 790
 791         /* Tasklets for handling hardware IRQ related operations outside hw IRQ
 792          * handler */
 793         struct tasklet_struct bap_tasklet;
 794
 795         struct tasklet_struct info_tasklet;
 796         struct sk_buff_head info_list; /* info frames as skb's for
 797                                         * info_tasklet */
 798
 799         struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
 800                                                       */
 801
 802         struct tasklet_struct rx_tasklet;
 803         struct sk_buff_head rx_list;
 804
 805         struct tasklet_struct sta_tx_exc_tasklet;
 806         struct sk_buff_head sta_tx_exc_list;
 807
 808         int host_roaming;
 809         unsigned long last_join_time; /* time of last JoinRequest */
 810         struct hfa384x_hostscan_result *last_scan_results;
 811         int last_scan_results_count;
 812         enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
 813         struct work_struct info_queue;
 814         long pending_info; /* bit field of pending info_queue items */
 815 #define PRISM2_INFO_PENDING_LINKSTATUS 0
 816 #define PRISM2_INFO_PENDING_SCANRESULTS 1
 817         int prev_link_status; /* previous received LinkStatus info */
 818         int prev_linkstatus_connected;
 819         u8 preferred_ap[6]; /* use this AP if possible */
 820
 821 #ifdef PRISM2_CALLBACK
 822         void *callback_data; /* Can be used in callbacks; e.g., allocate
 823                               * on enable event and free on disable event.
 824                               * Host AP driver code does not touch this. */
 825 #endif /* PRISM2_CALLBACK */
 826
 827         wait_queue_head_t hostscan_wq;
 828
 829         /* Passive scan in Host AP mode */
 830         struct timer_list passive_scan_timer;
 831         int passive_scan_interval; /* in seconds, 0 = disabled */
 832         int passive_scan_channel;
 833         enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
 834
 835         struct timer_list tick_timer;
 836         unsigned long last_tick_timer;
 837         unsigned int sw_tick_stuck;
 838
 839         /* commsQuality / dBmCommsQuality data from periodic polling; only
 840          * valid for Managed and Ad-hoc modes */
 841         unsigned long last_comms_qual_update;
 842         int comms_qual; /* in some odd unit.. */
 843         int avg_signal; /* in dB (note: negative) */
 844         int avg_noise; /* in dB (note: negative) */
 845         struct work_struct comms_qual_update;
 846
 847         /* RSSI to dBm adjustment (for RX descriptor fields) */
 848         int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
 849
 850         /* BSS list / protected by local->lock */
 851         struct list_head bss_list;
 852         int num_bss_info;
 853         int wpa; /* WPA support enabled */
 854         int tkip_countermeasures;
 855         int drop_unencrypted;
 856         /* Generic IEEE 802.11 info element to be added to
 857          * ProbeResp/Beacon/(Re)AssocReq */
 858         u8 *generic_elem;
 859         size_t generic_elem_len;
 860
 861 #ifdef PRISM2_DOWNLOAD_SUPPORT
 862         /* Persistent volatile download data */
 863         struct prism2_download_data *dl_pri;
 864         struct prism2_download_data *dl_sec;
 865 #endif /* PRISM2_DOWNLOAD_SUPPORT */
 866
 867 #ifdef PRISM2_IO_DEBUG
 868 #define PRISM2_IO_DEBUG_SIZE 10000
 869         u32 io_debug[PRISM2_IO_DEBUG_SIZE];
 870         int io_debug_head;
 871         int io_debug_enabled;
 872 #endif /* PRISM2_IO_DEBUG */
 873
 874         /* Pointer to hardware model specific (cs,pci,plx) private data. */
 875         void *hw_priv;
 876 };
 877
 878
 879 /* Per interface private Host AP data
 880  * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
 881  * WDS) and netdev_priv(dev) points to this structure. */
 882 struct hostap_interface {
 883         struct list_head list; /* list entry in Host AP interface list */
 884         struct net_device *dev; /* pointer to this device */
 885         struct local_info *local; /* pointer to shared private data */
 886         struct net_device_stats stats;
 887         struct iw_spy_data spy_data; /* iwspy support */
 888         struct iw_public_data wireless_data;
 889
 890         enum {
 891                 HOSTAP_INTERFACE_MASTER,
 892                 HOSTAP_INTERFACE_MAIN,
 893                 HOSTAP_INTERFACE_AP,
 894                 HOSTAP_INTERFACE_STA,
 895                 HOSTAP_INTERFACE_WDS,
 896         } type;
 897
 898         union {
 899                 struct hostap_interface_wds {
 900                         u8 remote_addr[ETH_ALEN];
 901                 } wds;
 902         } u;
 903 };
 904
 905
 906 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
 907
 908 /*
 909  * TX meta data - stored in skb->cb buffer, so this must not be increased over
 910  * the 40-byte limit
 911  */
 912 struct hostap_skb_tx_data {
 913         u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
 914         u8 rate; /* transmit rate */
 915 #define HOSTAP_TX_FLAGS_WDS BIT(0)
 916 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
 917 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
 918         u8 flags; /* HOSTAP_TX_FLAGS_* */
 919         u16 tx_cb_idx;
 920         struct hostap_interface *iface;
 921         unsigned long jiffies; /* queueing timestamp */
 922         unsigned short ethertype;
 923 };
 924
 925
 926 #ifndef PRISM2_NO_DEBUG
 927
 928 #define DEBUG_FID BIT(0)
 929 #define DEBUG_PS BIT(1)
 930 #define DEBUG_FLOW BIT(2)
 931 #define DEBUG_AP BIT(3)
 932 #define DEBUG_HW BIT(4)
 933 #define DEBUG_EXTRA BIT(5)
 934 #define DEBUG_EXTRA2 BIT(6)
 935 #define DEBUG_PS2 BIT(7)
 936 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
 937 #define PDEBUG(n, args...) \
 938 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
 939 #define PDEBUG2(n, args...) \
 940 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
 941
 942 #else /* PRISM2_NO_DEBUG */
 943
 944 #define PDEBUG(n, args...)
 945 #define PDEBUG2(n, args...)
 946
 947 #endif /* PRISM2_NO_DEBUG */
 948
 949 enum { BAP0 = 0, BAP1 = 1 };
 950
 951 #define PRISM2_IO_DEBUG_CMD_INB 0
 952 #define PRISM2_IO_DEBUG_CMD_INW 1
 953 #define PRISM2_IO_DEBUG_CMD_INSW 2
 954 #define PRISM2_IO_DEBUG_CMD_OUTB 3
 955 #define PRISM2_IO_DEBUG_CMD_OUTW 4
 956 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
 957 #define PRISM2_IO_DEBUG_CMD_ERROR 6
 958 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
 959
 960 #ifdef PRISM2_IO_DEBUG
 961
 962 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
 963 (((cmd) << 24) | ((reg) << 16) | value)
 964
 965 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
 966                                        int reg, int value)
 967 {
 968         struct hostap_interface *iface = netdev_priv(dev);
 969         local_info_t *local = iface->local;
 970
 971         if (!local->io_debug_enabled)
 972                 return;
 973
 974         local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
 975         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 976                 local->io_debug_head = 0;
 977         local->io_debug[local->io_debug_head] =
 978                 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
 979         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 980                 local->io_debug_head = 0;
 981 }
 982
 983
 984 static inline void prism2_io_debug_error(struct net_device *dev, int err)
 985 {
 986         struct hostap_interface *iface = netdev_priv(dev);
 987         local_info_t *local = iface->local;
 988         unsigned long flags;
 989
 990         if (!local->io_debug_enabled)
 991                 return;
 992
 993         spin_lock_irqsave(&local->lock, flags);
 994         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
 995         if (local->io_debug_enabled == 1) {
 996                 local->io_debug_enabled = 0;
 997                 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
 998         }
 999         spin_unlock_irqrestore(&local->lock, flags);
1000 }
1001
1002 #else /* PRISM2_IO_DEBUG */
1003
1004 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1005                                        int reg, int value)
1006 {
1007 }
1008
1009 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1010 {
1011 }
1012
1013 #endif /* PRISM2_IO_DEBUG */
1014
1015
1016 #ifdef PRISM2_CALLBACK
1017 enum {
1018         /* Called when card is enabled */
1019         PRISM2_CALLBACK_ENABLE,
1020
1021         /* Called when card is disabled */
1022         PRISM2_CALLBACK_DISABLE,
1023
1024         /* Called when RX/TX starts/ends */
1025         PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1026         PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1027 };
1028 void prism2_callback(local_info_t *local, int event);
1029 #else /* PRISM2_CALLBACK */
1030 #define prism2_callback(d, e) do { } while (0)
1031 #endif /* PRISM2_CALLBACK */
1032
1033 #endif /* __KERNEL__ */
1034
1035 #endif /* HOSTAP_WLAN_H */