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 <linux/mutex.h>
   7 #include <net/iw_handler.h>
   8 #include <net/ieee80211_radiotap.h>
   9 #include <net/lib80211.h>
  10
  11 #include "hostap_config.h"
  12 #include "hostap_common.h"
  13
  14 #define MAX_PARM_DEVICES 8
  15 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
  16 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
  17 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
  18
  19
  20 /* Specific skb->protocol value that indicates that the packet already contains
  21  * txdesc header.
  22  * FIX: This might need own value that would be allocated especially for Prism2
  23  * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
  24  * However, these skb's should have only minimal path in the kernel side since
  25  * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
  26 #define ETH_P_HOSTAP ETH_P_CONTROL
  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         __be32 version;
  45         __be32 length;
  46         __be64 mactime;
  47         __be64 hosttime;
  48         __be32 phytype;
  49         __be32 channel;
  50         __be32 datarate;
  51         __be32 antenna;
  52         __be32 priority;
  53         __be32 ssi_type;
  54         __be32 ssi_signal;
  55         __be32 ssi_noise;
  56         __be32 preamble;
  57         __be32 encoding;
  58 } __attribute__ ((packed));
  59
  60 struct hostap_radiotap_rx {
  61         struct ieee80211_radiotap_header hdr;
  62         __le64 tsft;
  63         u8 rate;
  64         u8 padding;
  65         __le16 chan_freq;
  66         __le16 chan_flags;
  67         s8 dbm_antsignal;
  68         s8 dbm_antnoise;
  69 } __attribute__ ((packed));
  70
  71 #define LWNG_CAP_DID_BASE   (4 | (1 << 6)) /* section 4, group 1 */
  72 #define LWNG_CAPHDR_VERSION 0x80211001
  73
  74 struct hfa384x_rx_frame {
  75         /* HFA384X RX frame descriptor */
  76         __le16 status; /* HFA384X_RX_STATUS_ flags */
  77         __le32 time; /* timestamp, 1 microsecond resolution */
  78         u8 silence; /* 27 .. 154; seems to be 0 */
  79         u8 signal; /* 27 .. 154 */
  80         u8 rate; /* 10, 20, 55, or 110 */
  81         u8 rxflow;
  82         __le32 reserved;
  83
  84         /* 802.11 */
  85         __le16 frame_control;
  86         __le16 duration_id;
  87         u8 addr1[6];
  88         u8 addr2[6];
  89         u8 addr3[6];
  90         __le16 seq_ctrl;
  91         u8 addr4[6];
  92         __le16 data_len;
  93
  94         /* 802.3 */
  95         u8 dst_addr[6];
  96         u8 src_addr[6];
  97         __be16 len;
  98
  99         /* followed by frame data; max 2304 bytes */
 100 } __attribute__ ((packed));
 101
 102
 103 struct hfa384x_tx_frame {
 104         /* HFA384X TX frame descriptor */
 105         __le16 status; /* HFA384X_TX_STATUS_ flags */
 106         __le16 reserved1;
 107         __le16 reserved2;
 108         __le32 sw_support;
 109         u8 retry_count; /* not yet implemented */
 110         u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
 111         __le16 tx_control; /* HFA384X_TX_CTRL_ flags */
 112
 113         /* 802.11 */
 114         __le16 frame_control; /* parts not used */
 115         __le16 duration_id;
 116         u8 addr1[6];
 117         u8 addr2[6]; /* filled by firmware */
 118         u8 addr3[6];
 119         __le16 seq_ctrl; /* filled by firmware */
 120         u8 addr4[6];
 121         __le16 data_len;
 122
 123         /* 802.3 */
 124         u8 dst_addr[6];
 125         u8 src_addr[6];
 126         __be16 len;
 127
 128         /* followed by frame data; max 2304 bytes */
 129 } __attribute__ ((packed));
 130
 131
 132 struct hfa384x_rid_hdr
 133 {
 134         __le16 len;
 135         __le16 rid;
 136 } __attribute__ ((packed));
 137
 138
 139 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
 140  * dBm value with some accuracy */
 141 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
 142
 143 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
 144
 145 struct hfa384x_scan_request {
 146         __le16 channel_list;
 147         __le16 txrate; /* HFA384X_RATES_* */
 148 } __attribute__ ((packed));
 149
 150 struct hfa384x_hostscan_request {
 151         __le16 channel_list;
 152         __le16 txrate;
 153         __le16 target_ssid_len;
 154         u8 target_ssid[32];
 155 } __attribute__ ((packed));
 156
 157 struct hfa384x_join_request {
 158         u8 bssid[6];
 159         __le16 channel;
 160 } __attribute__ ((packed));
 161
 162 struct hfa384x_info_frame {
 163         __le16 len;
 164         __le16 type;
 165 } __attribute__ ((packed));
 166
 167 struct hfa384x_comm_tallies {
 168         __le16 tx_unicast_frames;
 169         __le16 tx_multicast_frames;
 170         __le16 tx_fragments;
 171         __le16 tx_unicast_octets;
 172         __le16 tx_multicast_octets;
 173         __le16 tx_deferred_transmissions;
 174         __le16 tx_single_retry_frames;
 175         __le16 tx_multiple_retry_frames;
 176         __le16 tx_retry_limit_exceeded;
 177         __le16 tx_discards;
 178         __le16 rx_unicast_frames;
 179         __le16 rx_multicast_frames;
 180         __le16 rx_fragments;
 181         __le16 rx_unicast_octets;
 182         __le16 rx_multicast_octets;
 183         __le16 rx_fcs_errors;
 184         __le16 rx_discards_no_buffer;
 185         __le16 tx_discards_wrong_sa;
 186         __le16 rx_discards_wep_undecryptable;
 187         __le16 rx_message_in_msg_fragments;
 188         __le16 rx_message_in_bad_msg_fragments;
 189 } __attribute__ ((packed));
 190
 191 struct hfa384x_comm_tallies32 {
 192         __le32 tx_unicast_frames;
 193         __le32 tx_multicast_frames;
 194         __le32 tx_fragments;
 195         __le32 tx_unicast_octets;
 196         __le32 tx_multicast_octets;
 197         __le32 tx_deferred_transmissions;
 198         __le32 tx_single_retry_frames;
 199         __le32 tx_multiple_retry_frames;
 200         __le32 tx_retry_limit_exceeded;
 201         __le32 tx_discards;
 202         __le32 rx_unicast_frames;
 203         __le32 rx_multicast_frames;
 204         __le32 rx_fragments;
 205         __le32 rx_unicast_octets;
 206         __le32 rx_multicast_octets;
 207         __le32 rx_fcs_errors;
 208         __le32 rx_discards_no_buffer;
 209         __le32 tx_discards_wrong_sa;
 210         __le32 rx_discards_wep_undecryptable;
 211         __le32 rx_message_in_msg_fragments;
 212         __le32 rx_message_in_bad_msg_fragments;
 213 } __attribute__ ((packed));
 214
 215 struct hfa384x_scan_result_hdr {
 216         __le16 reserved;
 217         __le16 scan_reason;
 218 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
 219 #define HFA384X_SCAN_HOST_INITIATED 1
 220 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
 221 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
 222 } __attribute__ ((packed));
 223
 224 #define HFA384X_SCAN_MAX_RESULTS 32
 225
 226 struct hfa384x_scan_result {
 227         __le16 chid;
 228         __le16 anl;
 229         __le16 sl;
 230         u8 bssid[6];
 231         __le16 beacon_interval;
 232         __le16 capability;
 233         __le16 ssid_len;
 234         u8 ssid[32];
 235         u8 sup_rates[10];
 236         __le16 rate;
 237 } __attribute__ ((packed));
 238
 239 struct hfa384x_hostscan_result {
 240         __le16 chid;
 241         __le16 anl;
 242         __le16 sl;
 243         u8 bssid[6];
 244         __le16 beacon_interval;
 245         __le16 capability;
 246         __le16 ssid_len;
 247         u8 ssid[32];
 248         u8 sup_rates[10];
 249         __le16 rate;
 250         __le16 atim;
 251 } __attribute__ ((packed));
 252
 253 struct comm_tallies_sums {
 254         unsigned int tx_unicast_frames;
 255         unsigned int tx_multicast_frames;
 256         unsigned int tx_fragments;
 257         unsigned int tx_unicast_octets;
 258         unsigned int tx_multicast_octets;
 259         unsigned int tx_deferred_transmissions;
 260         unsigned int tx_single_retry_frames;
 261         unsigned int tx_multiple_retry_frames;
 262         unsigned int tx_retry_limit_exceeded;
 263         unsigned int tx_discards;
 264         unsigned int rx_unicast_frames;
 265         unsigned int rx_multicast_frames;
 266         unsigned int rx_fragments;
 267         unsigned int rx_unicast_octets;
 268         unsigned int rx_multicast_octets;
 269         unsigned int rx_fcs_errors;
 270         unsigned int rx_discards_no_buffer;
 271         unsigned int tx_discards_wrong_sa;
 272         unsigned int rx_discards_wep_undecryptable;
 273         unsigned int rx_message_in_msg_fragments;
 274         unsigned int rx_message_in_bad_msg_fragments;
 275 };
 276
 277
 278 struct hfa384x_regs {
 279         u16 cmd;
 280         u16 evstat;
 281         u16 offset0;
 282         u16 offset1;
 283         u16 swsupport0;
 284 };
 285
 286
 287 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
 288 /* I/O ports for HFA384X Controller access */
 289 #define HFA384X_CMD_OFF 0x00
 290 #define HFA384X_PARAM0_OFF 0x02
 291 #define HFA384X_PARAM1_OFF 0x04
 292 #define HFA384X_PARAM2_OFF 0x06
 293 #define HFA384X_STATUS_OFF 0x08
 294 #define HFA384X_RESP0_OFF 0x0A
 295 #define HFA384X_RESP1_OFF 0x0C
 296 #define HFA384X_RESP2_OFF 0x0E
 297 #define HFA384X_INFOFID_OFF 0x10
 298 #define HFA384X_CONTROL_OFF 0x14
 299 #define HFA384X_SELECT0_OFF 0x18
 300 #define HFA384X_SELECT1_OFF 0x1A
 301 #define HFA384X_OFFSET0_OFF 0x1C
 302 #define HFA384X_OFFSET1_OFF 0x1E
 303 #define HFA384X_RXFID_OFF 0x20
 304 #define HFA384X_ALLOCFID_OFF 0x22
 305 #define HFA384X_TXCOMPLFID_OFF 0x24
 306 #define HFA384X_SWSUPPORT0_OFF 0x28
 307 #define HFA384X_SWSUPPORT1_OFF 0x2A
 308 #define HFA384X_SWSUPPORT2_OFF 0x2C
 309 #define HFA384X_EVSTAT_OFF 0x30
 310 #define HFA384X_INTEN_OFF 0x32
 311 #define HFA384X_EVACK_OFF 0x34
 312 #define HFA384X_DATA0_OFF 0x36
 313 #define HFA384X_DATA1_OFF 0x38
 314 #define HFA384X_AUXPAGE_OFF 0x3A
 315 #define HFA384X_AUXOFFSET_OFF 0x3C
 316 #define HFA384X_AUXDATA_OFF 0x3E
 317 #endif /* PRISM2_PCCARD || PRISM2_PLX */
 318
 319 #ifdef PRISM2_PCI
 320 /* Memory addresses for ISL3874 controller access */
 321 #define HFA384X_CMD_OFF 0x00
 322 #define HFA384X_PARAM0_OFF 0x04
 323 #define HFA384X_PARAM1_OFF 0x08
 324 #define HFA384X_PARAM2_OFF 0x0C
 325 #define HFA384X_STATUS_OFF 0x10
 326 #define HFA384X_RESP0_OFF 0x14
 327 #define HFA384X_RESP1_OFF 0x18
 328 #define HFA384X_RESP2_OFF 0x1C
 329 #define HFA384X_INFOFID_OFF 0x20
 330 #define HFA384X_CONTROL_OFF 0x28
 331 #define HFA384X_SELECT0_OFF 0x30
 332 #define HFA384X_SELECT1_OFF 0x34
 333 #define HFA384X_OFFSET0_OFF 0x38
 334 #define HFA384X_OFFSET1_OFF 0x3C
 335 #define HFA384X_RXFID_OFF 0x40
 336 #define HFA384X_ALLOCFID_OFF 0x44
 337 #define HFA384X_TXCOMPLFID_OFF 0x48
 338 #define HFA384X_PCICOR_OFF 0x4C
 339 #define HFA384X_SWSUPPORT0_OFF 0x50
 340 #define HFA384X_SWSUPPORT1_OFF 0x54
 341 #define HFA384X_SWSUPPORT2_OFF 0x58
 342 #define HFA384X_PCIHCR_OFF 0x5C
 343 #define HFA384X_EVSTAT_OFF 0x60
 344 #define HFA384X_INTEN_OFF 0x64
 345 #define HFA384X_EVACK_OFF 0x68
 346 #define HFA384X_DATA0_OFF 0x6C
 347 #define HFA384X_DATA1_OFF 0x70
 348 #define HFA384X_AUXPAGE_OFF 0x74
 349 #define HFA384X_AUXOFFSET_OFF 0x78
 350 #define HFA384X_AUXDATA_OFF 0x7C
 351 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
 352 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
 353 #define HFA384X_PCI_M0_LEN_OFF 0x88
 354 #define HFA384X_PCI_M0_CTL_OFF 0x8C
 355 #define HFA384X_PCI_STATUS_OFF 0x98
 356 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
 357 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
 358 #define HFA384X_PCI_M1_LEN_OFF 0xA8
 359 #define HFA384X_PCI_M1_CTL_OFF 0xAC
 360
 361 /* PCI bus master control bits (these are undocumented; based on guessing and
 362  * experimenting..) */
 363 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
 364 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
 365
 366 #endif /* PRISM2_PCI */
 367
 368
 369 /* Command codes for CMD reg. */
 370 #define HFA384X_CMDCODE_INIT 0x00
 371 #define HFA384X_CMDCODE_ENABLE 0x01
 372 #define HFA384X_CMDCODE_DISABLE 0x02
 373 #define HFA384X_CMDCODE_ALLOC 0x0A
 374 #define HFA384X_CMDCODE_TRANSMIT 0x0B
 375 #define HFA384X_CMDCODE_INQUIRE 0x11
 376 #define HFA384X_CMDCODE_ACCESS 0x21
 377 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
 378 #define HFA384X_CMDCODE_DOWNLOAD 0x22
 379 #define HFA384X_CMDCODE_READMIF 0x30
 380 #define HFA384X_CMDCODE_WRITEMIF 0x31
 381 #define HFA384X_CMDCODE_TEST 0x38
 382
 383 #define HFA384X_CMDCODE_MASK 0x3F
 384
 385 /* Test mode operations */
 386 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
 387 #define HFA384X_TEST_MONITOR 0x0B
 388 #define HFA384X_TEST_STOP 0x0F
 389 #define HFA384X_TEST_CFG_BITS 0x15
 390 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
 391
 392 #define HFA384X_CMD_BUSY BIT(15)
 393
 394 #define HFA384X_CMD_TX_RECLAIM BIT(8)
 395
 396 #define HFA384X_OFFSET_ERR BIT(14)
 397 #define HFA384X_OFFSET_BUSY BIT(15)
 398
 399
 400 /* ProgMode for download command */
 401 #define HFA384X_PROGMODE_DISABLE 0
 402 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
 403 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
 404 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
 405
 406 #define HFA384X_AUX_MAGIC0 0xfe01
 407 #define HFA384X_AUX_MAGIC1 0xdc23
 408 #define HFA384X_AUX_MAGIC2 0xba45
 409
 410 #define HFA384X_AUX_PORT_DISABLED 0
 411 #define HFA384X_AUX_PORT_DISABLE BIT(14)
 412 #define HFA384X_AUX_PORT_ENABLE BIT(15)
 413 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
 414 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
 415
 416 #define PRISM2_PDA_SIZE 1024
 417
 418
 419 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
 420 #define HFA384X_EV_TICK BIT(15)
 421 #define HFA384X_EV_WTERR BIT(14)
 422 #define HFA384X_EV_INFDROP BIT(13)
 423 #ifdef PRISM2_PCI
 424 #define HFA384X_EV_PCI_M1 BIT(9)
 425 #define HFA384X_EV_PCI_M0 BIT(8)
 426 #endif /* PRISM2_PCI */
 427 #define HFA384X_EV_INFO BIT(7)
 428 #define HFA384X_EV_DTIM BIT(5)
 429 #define HFA384X_EV_CMD BIT(4)
 430 #define HFA384X_EV_ALLOC BIT(3)
 431 #define HFA384X_EV_TXEXC BIT(2)
 432 #define HFA384X_EV_TX BIT(1)
 433 #define HFA384X_EV_RX BIT(0)
 434
 435
 436 /* HFA384X Information frames */
 437 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
 438 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
 439 #define HFA384X_INFO_COMMTALLIES 0xF100
 440 #define HFA384X_INFO_SCANRESULTS 0xF101
 441 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
 442 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
 443 #define HFA384X_INFO_LINKSTATUS 0xF200
 444 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
 445 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
 446 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
 447 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
 448
 449 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
 450        HFA384X_LINKSTATUS_DISCONNECTED = 2,
 451        HFA384X_LINKSTATUS_AP_CHANGE = 3,
 452        HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
 453        HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
 454        HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
 455
 456 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
 457        HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
 458        HFA384X_PORTTYPE_HOSTAP = 6 };
 459
 460 #define HFA384X_RATES_1MBPS BIT(0)
 461 #define HFA384X_RATES_2MBPS BIT(1)
 462 #define HFA384X_RATES_5MBPS BIT(2)
 463 #define HFA384X_RATES_11MBPS BIT(3)
 464
 465 #define HFA384X_ROAMING_FIRMWARE 1
 466 #define HFA384X_ROAMING_HOST 2
 467 #define HFA384X_ROAMING_DISABLED 3
 468
 469 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
 470 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
 471 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
 472 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
 473
 474 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
 475 #define HFA384X_RX_STATUS_PCF BIT(12)
 476 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
 477 #define HFA384X_RX_STATUS_UNDECR BIT(1)
 478 #define HFA384X_RX_STATUS_FCSERR BIT(0)
 479
 480 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
 481 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
 482 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
 483 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
 484
 485 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
 486        HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
 487
 488
 489 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
 490 #define HFA384X_TX_CTRL_802_11 BIT(3)
 491 #define HFA384X_TX_CTRL_802_3 0
 492 #define HFA384X_TX_CTRL_TX_EX BIT(2)
 493 #define HFA384X_TX_CTRL_TX_OK BIT(1)
 494
 495 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
 496 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
 497 #define HFA384X_TX_STATUS_DISCON BIT(2)
 498 #define HFA384X_TX_STATUS_FORMERR BIT(3)
 499
 500 /* HFA3861/3863 (BBP) Control Registers */
 501 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
 502 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
 503 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
 504 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
 505 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
 506
 507
 508 #ifdef __KERNEL__
 509
 510 #define PRISM2_TXFID_COUNT 8
 511 #define PRISM2_DATA_MAXLEN 2304
 512 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
 513 #define PRISM2_TXFID_EMPTY 0xffff
 514 #define PRISM2_TXFID_RESERVED 0xfffe
 515 #define PRISM2_DUMMY_FID 0xffff
 516 #define MAX_SSID_LEN 32
 517 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
 518
 519 #define PRISM2_DUMP_RX_HDR BIT(0)
 520 #define PRISM2_DUMP_TX_HDR BIT(1)
 521 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
 522
 523 struct hostap_tx_callback_info {
 524         u16 idx;
 525         void (*func)(struct sk_buff *, int ok, void *);
 526         void *data;
 527         struct hostap_tx_callback_info *next;
 528 };
 529
 530
 531 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 532  * three fragmented frames. This define can be increased to support more
 533  * concurrent frames, but it should be noted that each entry can consume about
 534  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 535 #define PRISM2_FRAG_CACHE_LEN 4
 536
 537 struct prism2_frag_entry {
 538         unsigned long first_frag_time;
 539         unsigned int seq;
 540         unsigned int last_frag;
 541         struct sk_buff *skb;
 542         u8 src_addr[ETH_ALEN];
 543         u8 dst_addr[ETH_ALEN];
 544 };
 545
 546
 547 struct hostap_cmd_queue {
 548         struct list_head list;
 549         wait_queue_head_t compl;
 550         volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
 551         void (*callback)(struct net_device *dev, long context, u16 resp0,
 552                          u16 res);
 553         long context;
 554         u16 cmd, param0, param1;
 555         u16 resp0, res;
 556         volatile int issued, issuing;
 557
 558         atomic_t usecnt;
 559         int del_req;
 560 };
 561
 562 /* options for hw_shutdown */
 563 #define HOSTAP_HW_NO_DISABLE BIT(0)
 564 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
 565
 566 typedef struct local_info local_info_t;
 567
 568 struct prism2_helper_functions {
 569         /* these functions are defined in hardware model specific files
 570          * (hostap_{cs,plx,pci}.c */
 571         int (*card_present)(local_info_t *local);
 572         void (*cor_sreset)(local_info_t *local);
 573         void (*genesis_reset)(local_info_t *local, int hcr);
 574
 575         /* the following functions are from hostap_hw.c, but they may have some
 576          * hardware model specific code */
 577
 578         /* FIX: low-level commands like cmd might disappear at some point to
 579          * make it easier to change them if needed (e.g., cmd would be replaced
 580          * with write_mif/read_mif/testcmd/inquire); at least get_rid and
 581          * set_rid might move to hostap_{cs,plx,pci}.c */
 582         int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
 583                    u16 *resp0);
 584         void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
 585         int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
 586                        int exact_len);
 587         int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
 588         int (*hw_enable)(struct net_device *dev, int initial);
 589         int (*hw_config)(struct net_device *dev, int initial);
 590         void (*hw_reset)(struct net_device *dev);
 591         void (*hw_shutdown)(struct net_device *dev, int no_disable);
 592         int (*reset_port)(struct net_device *dev);
 593         void (*schedule_reset)(local_info_t *local);
 594         int (*download)(local_info_t *local,
 595                         struct prism2_download_param *param);
 596         int (*tx)(struct sk_buff *skb, struct net_device *dev);
 597         int (*set_tim)(struct net_device *dev, int aid, int set);
 598         int (*read_aux)(struct net_device *dev, unsigned addr, int len,
 599                         u8 *buf);
 600
 601         int need_tx_headroom; /* number of bytes of headroom needed before
 602                                * IEEE 802.11 header */
 603         enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
 604 };
 605
 606
 607 struct prism2_download_data {
 608         u32 dl_cmd;
 609         u32 start_addr;
 610         u32 num_areas;
 611         struct prism2_download_data_area {
 612                 u32 addr; /* wlan card address */
 613                 u32 len;
 614                 u8 *data; /* allocated data */
 615         } data[0];
 616 };
 617
 618
 619 #define HOSTAP_MAX_BSS_COUNT 64
 620 #define MAX_WPA_IE_LEN 64
 621
 622 struct hostap_bss_info {
 623         struct list_head list;
 624         unsigned long last_update;
 625         unsigned int count;
 626         u8 bssid[ETH_ALEN];
 627         u16 capab_info;
 628         u8 ssid[32];
 629         size_t ssid_len;
 630         u8 wpa_ie[MAX_WPA_IE_LEN];
 631         size_t wpa_ie_len;
 632         u8 rsn_ie[MAX_WPA_IE_LEN];
 633         size_t rsn_ie_len;
 634         int chan;
 635         int included;
 636 };
 637
 638
 639 /* Per radio private Host AP data - shared by all net devices interfaces used
 640  * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
 641  * ((struct hostap_interface *) netdev_priv(dev))->local points to this
 642  * structure. */
 643 struct local_info {
 644         struct module *hw_module;
 645         int card_idx;
 646         int dev_enabled;
 647         int master_dev_auto_open; /* was master device opened automatically */
 648         int num_dev_open; /* number of open devices */
 649         struct net_device *dev; /* master radio device */
 650         struct net_device *ddev; /* main data device */
 651         struct list_head hostap_interfaces; /* Host AP interface list (contains
 652                                              * struct hostap_interface entries)
 653                                              */
 654         rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
 655                               * when removing entries from the list.
 656                               * TX and RX paths can use read lock. */
 657         spinlock_t cmdlock, baplock, lock;
 658         struct mutex rid_bap_mtx;
 659         u16 infofid; /* MAC buffer id for info frame */
 660         /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
 661          * txfidlock */
 662         spinlock_t txfidlock;
 663         int txfid_len; /* length of allocated TX buffers */
 664         u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
 665         /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
 666          * corresponding txfid is free for next TX frame */
 667         u16 intransmitfid[PRISM2_TXFID_COUNT];
 668         int next_txfid; /* index to the next txfid to be checked for
 669                          * availability */
 670         int next_alloc; /* index to the next intransmitfid to be checked for
 671                          * allocation events */
 672
 673         /* bitfield for atomic bitops */
 674 #define HOSTAP_BITS_TRANSMIT 0
 675 #define HOSTAP_BITS_BAP_TASKLET 1
 676 #define HOSTAP_BITS_BAP_TASKLET2 2
 677         unsigned long bits;
 678
 679         struct ap_data *ap;
 680
 681         char essid[MAX_SSID_LEN + 1];
 682         char name[MAX_NAME_LEN + 1];
 683         int name_set;
 684         u16 channel_mask; /* mask of allowed channels */
 685         u16 scan_channel_mask; /* mask of channels to be scanned */
 686         struct comm_tallies_sums comm_tallies;
 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, PRISM2_MONITOR_RADIOTAP = 3
 750         } monitor_type;
 751         int monitor_allow_fcserr;
 752
 753         int hostapd; /* whether user space daemon, hostapd, is used for AP
 754                       * management */
 755         int hostapd_sta; /* whether hostapd is used with an extra STA interface
 756                           */
 757         struct net_device *apdev;
 758         struct net_device_stats apdevstats;
 759
 760         char assoc_ap_addr[ETH_ALEN];
 761         struct net_device *stadev;
 762         struct net_device_stats stadevstats;
 763
 764 #define WEP_KEYS 4
 765 #define WEP_KEY_LEN 13
 766         struct lib80211_crypt_info crypt_info;
 767
 768         int open_wep; /* allow unencrypted frames */
 769         int host_encrypt;
 770         int host_decrypt;
 771         int privacy_invoked; /* force privacy invoked flag even if no keys are
 772                               * configured */
 773         int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
 774                             * in Host AP mode (STA f/w 1.4.9 or newer) */
 775         int bcrx_sta_key; /* use individual keys to override default keys even
 776                            * with RX of broad/multicast frames */
 777
 778         struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
 779         unsigned int frag_next_idx;
 780
 781         int ieee_802_1x; /* is IEEE 802.1X used */
 782
 783         int antsel_tx, antsel_rx;
 784         int rts_threshold; /* dot11RTSThreshold */
 785         int fragm_threshold; /* dot11FragmentationThreshold */
 786         int auth_algs; /* PRISM2_AUTH_ flags */
 787
 788         int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
 789         int tallies32; /* 32-bit tallies in use */
 790
 791         struct prism2_helper_functions *func;
 792
 793         u8 *pda;
 794         int fw_ap;
 795 #define PRISM2_FW_VER(major, minor, variant) \
 796 (((major) << 16) | ((minor) << 8) | variant)
 797         u32 sta_fw_ver;
 798
 799         /* Tasklets for handling hardware IRQ related operations outside hw IRQ
 800          * handler */
 801         struct tasklet_struct bap_tasklet;
 802
 803         struct tasklet_struct info_tasklet;
 804         struct sk_buff_head info_list; /* info frames as skb's for
 805                                         * info_tasklet */
 806
 807         struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
 808                                                       */
 809
 810         struct tasklet_struct rx_tasklet;
 811         struct sk_buff_head rx_list;
 812
 813         struct tasklet_struct sta_tx_exc_tasklet;
 814         struct sk_buff_head sta_tx_exc_list;
 815
 816         int host_roaming;
 817         unsigned long last_join_time; /* time of last JoinRequest */
 818         struct hfa384x_hostscan_result *last_scan_results;
 819         int last_scan_results_count;
 820         enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
 821         struct work_struct info_queue;
 822         unsigned long pending_info; /* bit field of pending info_queue items */
 823 #define PRISM2_INFO_PENDING_LINKSTATUS 0
 824 #define PRISM2_INFO_PENDING_SCANRESULTS 1
 825         int prev_link_status; /* previous received LinkStatus info */
 826         int prev_linkstatus_connected;
 827         u8 preferred_ap[6]; /* use this AP if possible */
 828
 829 #ifdef PRISM2_CALLBACK
 830         void *callback_data; /* Can be used in callbacks; e.g., allocate
 831                               * on enable event and free on disable event.
 832                               * Host AP driver code does not touch this. */
 833 #endif /* PRISM2_CALLBACK */
 834
 835         wait_queue_head_t hostscan_wq;
 836
 837         /* Passive scan in Host AP mode */
 838         struct timer_list passive_scan_timer;
 839         int passive_scan_interval; /* in seconds, 0 = disabled */
 840         int passive_scan_channel;
 841         enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
 842
 843         struct timer_list tick_timer;
 844         unsigned long last_tick_timer;
 845         unsigned int sw_tick_stuck;
 846
 847         /* commsQuality / dBmCommsQuality data from periodic polling; only
 848          * valid for Managed and Ad-hoc modes */
 849         unsigned long last_comms_qual_update;
 850         int comms_qual; /* in some odd unit.. */
 851         int avg_signal; /* in dB (note: negative) */
 852         int avg_noise; /* in dB (note: negative) */
 853         struct work_struct comms_qual_update;
 854
 855         /* RSSI to dBm adjustment (for RX descriptor fields) */
 856         int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */
 857
 858         /* BSS list / protected by local->lock */
 859         struct list_head bss_list;
 860         int num_bss_info;
 861         int wpa; /* WPA support enabled */
 862         int tkip_countermeasures;
 863         int drop_unencrypted;
 864         /* Generic IEEE 802.11 info element to be added to
 865          * ProbeResp/Beacon/(Re)AssocReq */
 866         u8 *generic_elem;
 867         size_t generic_elem_len;
 868
 869 #ifdef PRISM2_DOWNLOAD_SUPPORT
 870         /* Persistent volatile download data */
 871         struct prism2_download_data *dl_pri;
 872         struct prism2_download_data *dl_sec;
 873 #endif /* PRISM2_DOWNLOAD_SUPPORT */
 874
 875 #ifdef PRISM2_IO_DEBUG
 876 #define PRISM2_IO_DEBUG_SIZE 10000
 877         u32 io_debug[PRISM2_IO_DEBUG_SIZE];
 878         int io_debug_head;
 879         int io_debug_enabled;
 880 #endif /* PRISM2_IO_DEBUG */
 881
 882         /* Pointer to hardware model specific (cs,pci,plx) private data. */
 883         void *hw_priv;
 884 };
 885
 886
 887 /* Per interface private Host AP data
 888  * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
 889  * WDS) and netdev_priv(dev) points to this structure. */
 890 struct hostap_interface {
 891         struct list_head list; /* list entry in Host AP interface list */
 892         struct net_device *dev; /* pointer to this device */
 893         struct local_info *local; /* pointer to shared private data */
 894         struct net_device_stats stats;
 895         struct iw_spy_data spy_data; /* iwspy support */
 896         struct iw_public_data wireless_data;
 897
 898         enum {
 899                 HOSTAP_INTERFACE_MASTER,
 900                 HOSTAP_INTERFACE_MAIN,
 901                 HOSTAP_INTERFACE_AP,
 902                 HOSTAP_INTERFACE_STA,
 903                 HOSTAP_INTERFACE_WDS,
 904         } type;
 905
 906         union {
 907                 struct hostap_interface_wds {
 908                         u8 remote_addr[ETH_ALEN];
 909                 } wds;
 910         } u;
 911 };
 912
 913
 914 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
 915
 916 /*
 917  * TX meta data - stored in skb->cb buffer, so this must not be increased over
 918  * the 48-byte limit.
 919  * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE
 920  * TO SEE THE DAY.
 921  */
 922 struct hostap_skb_tx_data {
 923         unsigned int __padding_for_default_qdiscs;
 924         u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
 925         u8 rate; /* transmit rate */
 926 #define HOSTAP_TX_FLAGS_WDS BIT(0)
 927 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
 928 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
 929         u8 flags; /* HOSTAP_TX_FLAGS_* */
 930         u16 tx_cb_idx;
 931         struct hostap_interface *iface;
 932         unsigned long jiffies; /* queueing timestamp */
 933         unsigned short ethertype;
 934 };
 935
 936
 937 #ifndef PRISM2_NO_DEBUG
 938
 939 #define DEBUG_FID BIT(0)
 940 #define DEBUG_PS BIT(1)
 941 #define DEBUG_FLOW BIT(2)
 942 #define DEBUG_AP BIT(3)
 943 #define DEBUG_HW BIT(4)
 944 #define DEBUG_EXTRA BIT(5)
 945 #define DEBUG_EXTRA2 BIT(6)
 946 #define DEBUG_PS2 BIT(7)
 947 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
 948 #define PDEBUG(n, args...) \
 949 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
 950 #define PDEBUG2(n, args...) \
 951 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
 952
 953 #else /* PRISM2_NO_DEBUG */
 954
 955 #define PDEBUG(n, args...)
 956 #define PDEBUG2(n, args...)
 957
 958 #endif /* PRISM2_NO_DEBUG */
 959
 960 enum { BAP0 = 0, BAP1 = 1 };
 961
 962 #define PRISM2_IO_DEBUG_CMD_INB 0
 963 #define PRISM2_IO_DEBUG_CMD_INW 1
 964 #define PRISM2_IO_DEBUG_CMD_INSW 2
 965 #define PRISM2_IO_DEBUG_CMD_OUTB 3
 966 #define PRISM2_IO_DEBUG_CMD_OUTW 4
 967 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
 968 #define PRISM2_IO_DEBUG_CMD_ERROR 6
 969 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
 970
 971 #ifdef PRISM2_IO_DEBUG
 972
 973 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
 974 (((cmd) << 24) | ((reg) << 16) | value)
 975
 976 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
 977                                        int reg, int value)
 978 {
 979         struct hostap_interface *iface = netdev_priv(dev);
 980         local_info_t *local = iface->local;
 981
 982         if (!local->io_debug_enabled)
 983                 return;
 984
 985         local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
 986         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 987                 local->io_debug_head = 0;
 988         local->io_debug[local->io_debug_head] =
 989                 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
 990         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 991                 local->io_debug_head = 0;
 992 }
 993
 994
 995 static inline void prism2_io_debug_error(struct net_device *dev, int err)
 996 {
 997         struct hostap_interface *iface = netdev_priv(dev);
 998         local_info_t *local = iface->local;
 999         unsigned long flags;
1000
1001         if (!local->io_debug_enabled)
1002                 return;
1003
1004         spin_lock_irqsave(&local->lock, flags);
1005         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
1006         if (local->io_debug_enabled == 1) {
1007                 local->io_debug_enabled = 0;
1008                 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
1009         }
1010         spin_unlock_irqrestore(&local->lock, flags);
1011 }
1012
1013 #else /* PRISM2_IO_DEBUG */
1014
1015 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1016                                        int reg, int value)
1017 {
1018 }
1019
1020 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1021 {
1022 }
1023
1024 #endif /* PRISM2_IO_DEBUG */
1025
1026
1027 #ifdef PRISM2_CALLBACK
1028 enum {
1029         /* Called when card is enabled */
1030         PRISM2_CALLBACK_ENABLE,
1031
1032         /* Called when card is disabled */
1033         PRISM2_CALLBACK_DISABLE,
1034
1035         /* Called when RX/TX starts/ends */
1036         PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1037         PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1038 };
1039 void prism2_callback(local_info_t *local, int event);
1040 #else /* PRISM2_CALLBACK */
1041 #define prism2_callback(d, e) do { } while (0)
1042 #endif /* PRISM2_CALLBACK */
1043
1044 #endif /* __KERNEL__ */
1045
1046 #endif /* HOSTAP_WLAN_H */