drivers/net/wireless/intersil/hostap/hostap_wlan.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef HOSTAP_WLAN_H
   3 #define HOSTAP_WLAN_H
   4
   5 #include <linux/interrupt.h>
   6 #include <linux/wireless.h>
   7 #include <linux/netdevice.h>
   8 #include <linux/etherdevice.h>
   9 #include <linux/mutex.h>
  10 #include <linux/refcount.h>
  11 #include <net/iw_handler.h>
  12 #include <net/ieee80211_radiotap.h>
  13 #include <net/lib80211.h>
  14
  15 #include "hostap_config.h"
  16 #include "hostap_common.h"
  17
  18 #define MAX_PARM_DEVICES 8
  19 #define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES)
  20 #define DEF_INTS -1, -1, -1, -1, -1, -1, -1
  21 #define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx]
  22
  23
  24 /* Specific skb->protocol value that indicates that the packet already contains
  25  * txdesc header.
  26  * FIX: This might need own value that would be allocated especially for Prism2
  27  * txdesc; ETH_P_CONTROL is commented as "Card specific control frames".
  28  * However, these skb's should have only minimal path in the kernel side since
  29  * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */
  30 #define ETH_P_HOSTAP ETH_P_CONTROL
  31
  32 /* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header
  33  * (from linux-wlan-ng) */
  34 struct linux_wlan_ng_val {
  35         u32 did;
  36         u16 status, len;
  37         u32 data;
  38 } __packed;
  39
  40 struct linux_wlan_ng_prism_hdr {
  41         u32 msgcode, msglen;
  42         char devname[16];
  43         struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal,
  44                 noise, rate, istx, frmlen;
  45 } __packed;
  46
  47 struct linux_wlan_ng_cap_hdr {
  48         __be32 version;
  49         __be32 length;
  50         __be64 mactime;
  51         __be64 hosttime;
  52         __be32 phytype;
  53         __be32 channel;
  54         __be32 datarate;
  55         __be32 antenna;
  56         __be32 priority;
  57         __be32 ssi_type;
  58         __be32 ssi_signal;
  59         __be32 ssi_noise;
  60         __be32 preamble;
  61         __be32 encoding;
  62 } __packed;
  63
  64 struct hostap_radiotap_rx {
  65         struct ieee80211_radiotap_header hdr;
  66         __le64 tsft;
  67         u8 rate;
  68         u8 padding;
  69         __le16 chan_freq;
  70         __le16 chan_flags;
  71         s8 dbm_antsignal;
  72         s8 dbm_antnoise;
  73 } __packed;
  74
  75 #define LWNG_CAP_DID_BASE   (4 | (1 << 6)) /* section 4, group 1 */
  76 #define LWNG_CAPHDR_VERSION 0x80211001
  77
  78 struct hfa384x_rx_frame {
  79         /* HFA384X RX frame descriptor */
  80         __le16 status; /* HFA384X_RX_STATUS_ flags */
  81         __le32 time; /* timestamp, 1 microsecond resolution */
  82         u8 silence; /* 27 .. 154; seems to be 0 */
  83         u8 signal; /* 27 .. 154 */
  84         u8 rate; /* 10, 20, 55, or 110 */
  85         u8 rxflow;
  86         __le32 reserved;
  87
  88         /* 802.11 */
  89         __le16 frame_control;
  90         __le16 duration_id;
  91         u8 addr1[ETH_ALEN];
  92         u8 addr2[ETH_ALEN];
  93         u8 addr3[ETH_ALEN];
  94         __le16 seq_ctrl;
  95         u8 addr4[ETH_ALEN];
  96         __le16 data_len;
  97
  98         /* 802.3 */
  99         u8 dst_addr[ETH_ALEN];
 100         u8 src_addr[ETH_ALEN];
 101         __be16 len;
 102
 103         /* followed by frame data; max 2304 bytes */
 104 } __packed;
 105
 106
 107 struct hfa384x_tx_frame {
 108         /* HFA384X TX frame descriptor */
 109         __le16 status; /* HFA384X_TX_STATUS_ flags */
 110         __le16 reserved1;
 111         __le16 reserved2;
 112         __le32 sw_support;
 113         u8 retry_count; /* not yet implemented */
 114         u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */
 115         __le16 tx_control; /* HFA384X_TX_CTRL_ flags */
 116
 117         /* 802.11 */
 118         __le16 frame_control; /* parts not used */
 119         __le16 duration_id;
 120         u8 addr1[ETH_ALEN];
 121         u8 addr2[ETH_ALEN]; /* filled by firmware */
 122         u8 addr3[ETH_ALEN];
 123         __le16 seq_ctrl; /* filled by firmware */
 124         u8 addr4[ETH_ALEN];
 125         __le16 data_len;
 126
 127         /* 802.3 */
 128         u8 dst_addr[ETH_ALEN];
 129         u8 src_addr[ETH_ALEN];
 130         __be16 len;
 131
 132         /* followed by frame data; max 2304 bytes */
 133 } __packed;
 134
 135
 136 struct hfa384x_rid_hdr
 137 {
 138         __le16 len;
 139         __le16 rid;
 140 } __packed;
 141
 142
 143 /* Macro for converting signal levels (range 27 .. 154) to wireless ext
 144  * dBm value with some accuracy */
 145 #define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100
 146
 147 #define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100
 148
 149 struct hfa384x_scan_request {
 150         __le16 channel_list;
 151         __le16 txrate; /* HFA384X_RATES_* */
 152 } __packed;
 153
 154 struct hfa384x_hostscan_request {
 155         __le16 channel_list;
 156         __le16 txrate;
 157         __le16 target_ssid_len;
 158         u8 target_ssid[32];
 159 } __packed;
 160
 161 struct hfa384x_join_request {
 162         u8 bssid[ETH_ALEN];
 163         __le16 channel;
 164 } __packed;
 165
 166 struct hfa384x_info_frame {
 167         __le16 len;
 168         __le16 type;
 169 } __packed;
 170
 171 struct hfa384x_comm_tallies {
 172         __le16 tx_unicast_frames;
 173         __le16 tx_multicast_frames;
 174         __le16 tx_fragments;
 175         __le16 tx_unicast_octets;
 176         __le16 tx_multicast_octets;
 177         __le16 tx_deferred_transmissions;
 178         __le16 tx_single_retry_frames;
 179         __le16 tx_multiple_retry_frames;
 180         __le16 tx_retry_limit_exceeded;
 181         __le16 tx_discards;
 182         __le16 rx_unicast_frames;
 183         __le16 rx_multicast_frames;
 184         __le16 rx_fragments;
 185         __le16 rx_unicast_octets;
 186         __le16 rx_multicast_octets;
 187         __le16 rx_fcs_errors;
 188         __le16 rx_discards_no_buffer;
 189         __le16 tx_discards_wrong_sa;
 190         __le16 rx_discards_wep_undecryptable;
 191         __le16 rx_message_in_msg_fragments;
 192         __le16 rx_message_in_bad_msg_fragments;
 193 } __packed;
 194
 195 struct hfa384x_comm_tallies32 {
 196         __le32 tx_unicast_frames;
 197         __le32 tx_multicast_frames;
 198         __le32 tx_fragments;
 199         __le32 tx_unicast_octets;
 200         __le32 tx_multicast_octets;
 201         __le32 tx_deferred_transmissions;
 202         __le32 tx_single_retry_frames;
 203         __le32 tx_multiple_retry_frames;
 204         __le32 tx_retry_limit_exceeded;
 205         __le32 tx_discards;
 206         __le32 rx_unicast_frames;
 207         __le32 rx_multicast_frames;
 208         __le32 rx_fragments;
 209         __le32 rx_unicast_octets;
 210         __le32 rx_multicast_octets;
 211         __le32 rx_fcs_errors;
 212         __le32 rx_discards_no_buffer;
 213         __le32 tx_discards_wrong_sa;
 214         __le32 rx_discards_wep_undecryptable;
 215         __le32 rx_message_in_msg_fragments;
 216         __le32 rx_message_in_bad_msg_fragments;
 217 } __packed;
 218
 219 struct hfa384x_scan_result_hdr {
 220         __le16 reserved;
 221         __le16 scan_reason;
 222 #define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */
 223 #define HFA384X_SCAN_HOST_INITIATED 1
 224 #define HFA384X_SCAN_FIRMWARE_INITIATED 2
 225 #define HFA384X_SCAN_INQUIRY_FROM_HOST 3
 226 } __packed;
 227
 228 #define HFA384X_SCAN_MAX_RESULTS 32
 229
 230 struct hfa384x_scan_result {
 231         __le16 chid;
 232         __le16 anl;
 233         __le16 sl;
 234         u8 bssid[ETH_ALEN];
 235         __le16 beacon_interval;
 236         __le16 capability;
 237         __le16 ssid_len;
 238         u8 ssid[32];
 239         u8 sup_rates[10];
 240         __le16 rate;
 241 } __packed;
 242
 243 struct hfa384x_hostscan_result {
 244         __le16 chid;
 245         __le16 anl;
 246         __le16 sl;
 247         u8 bssid[ETH_ALEN];
 248         __le16 beacon_interval;
 249         __le16 capability;
 250         __le16 ssid_len;
 251         u8 ssid[32];
 252         u8 sup_rates[10];
 253         __le16 rate;
 254         __le16 atim;
 255 } __packed;
 256
 257 struct comm_tallies_sums {
 258         unsigned int tx_unicast_frames;
 259         unsigned int tx_multicast_frames;
 260         unsigned int tx_fragments;
 261         unsigned int tx_unicast_octets;
 262         unsigned int tx_multicast_octets;
 263         unsigned int tx_deferred_transmissions;
 264         unsigned int tx_single_retry_frames;
 265         unsigned int tx_multiple_retry_frames;
 266         unsigned int tx_retry_limit_exceeded;
 267         unsigned int tx_discards;
 268         unsigned int rx_unicast_frames;
 269         unsigned int rx_multicast_frames;
 270         unsigned int rx_fragments;
 271         unsigned int rx_unicast_octets;
 272         unsigned int rx_multicast_octets;
 273         unsigned int rx_fcs_errors;
 274         unsigned int rx_discards_no_buffer;
 275         unsigned int tx_discards_wrong_sa;
 276         unsigned int rx_discards_wep_undecryptable;
 277         unsigned int rx_message_in_msg_fragments;
 278         unsigned int rx_message_in_bad_msg_fragments;
 279 };
 280
 281
 282 struct hfa384x_regs {
 283         u16 cmd;
 284         u16 evstat;
 285         u16 offset0;
 286         u16 offset1;
 287         u16 swsupport0;
 288 };
 289
 290
 291 #if defined(PRISM2_PCCARD) || defined(PRISM2_PLX)
 292 /* I/O ports for HFA384X Controller access */
 293 #define HFA384X_CMD_OFF 0x00
 294 #define HFA384X_PARAM0_OFF 0x02
 295 #define HFA384X_PARAM1_OFF 0x04
 296 #define HFA384X_PARAM2_OFF 0x06
 297 #define HFA384X_STATUS_OFF 0x08
 298 #define HFA384X_RESP0_OFF 0x0A
 299 #define HFA384X_RESP1_OFF 0x0C
 300 #define HFA384X_RESP2_OFF 0x0E
 301 #define HFA384X_INFOFID_OFF 0x10
 302 #define HFA384X_CONTROL_OFF 0x14
 303 #define HFA384X_SELECT0_OFF 0x18
 304 #define HFA384X_SELECT1_OFF 0x1A
 305 #define HFA384X_OFFSET0_OFF 0x1C
 306 #define HFA384X_OFFSET1_OFF 0x1E
 307 #define HFA384X_RXFID_OFF 0x20
 308 #define HFA384X_ALLOCFID_OFF 0x22
 309 #define HFA384X_TXCOMPLFID_OFF 0x24
 310 #define HFA384X_SWSUPPORT0_OFF 0x28
 311 #define HFA384X_SWSUPPORT1_OFF 0x2A
 312 #define HFA384X_SWSUPPORT2_OFF 0x2C
 313 #define HFA384X_EVSTAT_OFF 0x30
 314 #define HFA384X_INTEN_OFF 0x32
 315 #define HFA384X_EVACK_OFF 0x34
 316 #define HFA384X_DATA0_OFF 0x36
 317 #define HFA384X_DATA1_OFF 0x38
 318 #define HFA384X_AUXPAGE_OFF 0x3A
 319 #define HFA384X_AUXOFFSET_OFF 0x3C
 320 #define HFA384X_AUXDATA_OFF 0x3E
 321 #endif /* PRISM2_PCCARD || PRISM2_PLX */
 322
 323 #ifdef PRISM2_PCI
 324 /* Memory addresses for ISL3874 controller access */
 325 #define HFA384X_CMD_OFF 0x00
 326 #define HFA384X_PARAM0_OFF 0x04
 327 #define HFA384X_PARAM1_OFF 0x08
 328 #define HFA384X_PARAM2_OFF 0x0C
 329 #define HFA384X_STATUS_OFF 0x10
 330 #define HFA384X_RESP0_OFF 0x14
 331 #define HFA384X_RESP1_OFF 0x18
 332 #define HFA384X_RESP2_OFF 0x1C
 333 #define HFA384X_INFOFID_OFF 0x20
 334 #define HFA384X_CONTROL_OFF 0x28
 335 #define HFA384X_SELECT0_OFF 0x30
 336 #define HFA384X_SELECT1_OFF 0x34
 337 #define HFA384X_OFFSET0_OFF 0x38
 338 #define HFA384X_OFFSET1_OFF 0x3C
 339 #define HFA384X_RXFID_OFF 0x40
 340 #define HFA384X_ALLOCFID_OFF 0x44
 341 #define HFA384X_TXCOMPLFID_OFF 0x48
 342 #define HFA384X_PCICOR_OFF 0x4C
 343 #define HFA384X_SWSUPPORT0_OFF 0x50
 344 #define HFA384X_SWSUPPORT1_OFF 0x54
 345 #define HFA384X_SWSUPPORT2_OFF 0x58
 346 #define HFA384X_PCIHCR_OFF 0x5C
 347 #define HFA384X_EVSTAT_OFF 0x60
 348 #define HFA384X_INTEN_OFF 0x64
 349 #define HFA384X_EVACK_OFF 0x68
 350 #define HFA384X_DATA0_OFF 0x6C
 351 #define HFA384X_DATA1_OFF 0x70
 352 #define HFA384X_AUXPAGE_OFF 0x74
 353 #define HFA384X_AUXOFFSET_OFF 0x78
 354 #define HFA384X_AUXDATA_OFF 0x7C
 355 #define HFA384X_PCI_M0_ADDRH_OFF 0x80
 356 #define HFA384X_PCI_M0_ADDRL_OFF 0x84
 357 #define HFA384X_PCI_M0_LEN_OFF 0x88
 358 #define HFA384X_PCI_M0_CTL_OFF 0x8C
 359 #define HFA384X_PCI_STATUS_OFF 0x98
 360 #define HFA384X_PCI_M1_ADDRH_OFF 0xA0
 361 #define HFA384X_PCI_M1_ADDRL_OFF 0xA4
 362 #define HFA384X_PCI_M1_LEN_OFF 0xA8
 363 #define HFA384X_PCI_M1_CTL_OFF 0xAC
 364
 365 /* PCI bus master control bits (these are undocumented; based on guessing and
 366  * experimenting..) */
 367 #define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0))
 368 #define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0))
 369
 370 #endif /* PRISM2_PCI */
 371
 372
 373 /* Command codes for CMD reg. */
 374 #define HFA384X_CMDCODE_INIT 0x00
 375 #define HFA384X_CMDCODE_ENABLE 0x01
 376 #define HFA384X_CMDCODE_DISABLE 0x02
 377 #define HFA384X_CMDCODE_ALLOC 0x0A
 378 #define HFA384X_CMDCODE_TRANSMIT 0x0B
 379 #define HFA384X_CMDCODE_INQUIRE 0x11
 380 #define HFA384X_CMDCODE_ACCESS 0x21
 381 #define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8))
 382 #define HFA384X_CMDCODE_DOWNLOAD 0x22
 383 #define HFA384X_CMDCODE_READMIF 0x30
 384 #define HFA384X_CMDCODE_WRITEMIF 0x31
 385 #define HFA384X_CMDCODE_TEST 0x38
 386
 387 #define HFA384X_CMDCODE_MASK 0x3F
 388
 389 /* Test mode operations */
 390 #define HFA384X_TEST_CHANGE_CHANNEL 0x08
 391 #define HFA384X_TEST_MONITOR 0x0B
 392 #define HFA384X_TEST_STOP 0x0F
 393 #define HFA384X_TEST_CFG_BITS 0x15
 394 #define HFA384X_TEST_CFG_BIT_ALC BIT(3)
 395
 396 #define HFA384X_CMD_BUSY BIT(15)
 397
 398 #define HFA384X_CMD_TX_RECLAIM BIT(8)
 399
 400 #define HFA384X_OFFSET_ERR BIT(14)
 401 #define HFA384X_OFFSET_BUSY BIT(15)
 402
 403
 404 /* ProgMode for download command */
 405 #define HFA384X_PROGMODE_DISABLE 0
 406 #define HFA384X_PROGMODE_ENABLE_VOLATILE 1
 407 #define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2
 408 #define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3
 409
 410 #define HFA384X_AUX_MAGIC0 0xfe01
 411 #define HFA384X_AUX_MAGIC1 0xdc23
 412 #define HFA384X_AUX_MAGIC2 0xba45
 413
 414 #define HFA384X_AUX_PORT_DISABLED 0
 415 #define HFA384X_AUX_PORT_DISABLE BIT(14)
 416 #define HFA384X_AUX_PORT_ENABLE BIT(15)
 417 #define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15))
 418 #define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15))
 419
 420 #define PRISM2_PDA_SIZE 1024
 421
 422
 423 /* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */
 424 #define HFA384X_EV_TICK BIT(15)
 425 #define HFA384X_EV_WTERR BIT(14)
 426 #define HFA384X_EV_INFDROP BIT(13)
 427 #ifdef PRISM2_PCI
 428 #define HFA384X_EV_PCI_M1 BIT(9)
 429 #define HFA384X_EV_PCI_M0 BIT(8)
 430 #endif /* PRISM2_PCI */
 431 #define HFA384X_EV_INFO BIT(7)
 432 #define HFA384X_EV_DTIM BIT(5)
 433 #define HFA384X_EV_CMD BIT(4)
 434 #define HFA384X_EV_ALLOC BIT(3)
 435 #define HFA384X_EV_TXEXC BIT(2)
 436 #define HFA384X_EV_TX BIT(1)
 437 #define HFA384X_EV_RX BIT(0)
 438
 439
 440 /* HFA384X Information frames */
 441 #define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */
 442 #define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */
 443 #define HFA384X_INFO_COMMTALLIES 0xF100
 444 #define HFA384X_INFO_SCANRESULTS 0xF101
 445 #define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */
 446 #define HFA384X_INFO_HOSTSCANRESULTS 0xF103
 447 #define HFA384X_INFO_LINKSTATUS 0xF200
 448 #define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */
 449 #define HFA384X_INFO_AUTHREQ 0xF202 /* ? */
 450 #define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */
 451 #define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */
 452
 453 enum { HFA384X_LINKSTATUS_CONNECTED = 1,
 454        HFA384X_LINKSTATUS_DISCONNECTED = 2,
 455        HFA384X_LINKSTATUS_AP_CHANGE = 3,
 456        HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4,
 457        HFA384X_LINKSTATUS_AP_IN_RANGE = 5,
 458        HFA384X_LINKSTATUS_ASSOC_FAILED = 6 };
 459
 460 enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2,
 461        HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0,
 462        HFA384X_PORTTYPE_HOSTAP = 6 };
 463
 464 #define HFA384X_RATES_1MBPS BIT(0)
 465 #define HFA384X_RATES_2MBPS BIT(1)
 466 #define HFA384X_RATES_5MBPS BIT(2)
 467 #define HFA384X_RATES_11MBPS BIT(3)
 468
 469 #define HFA384X_ROAMING_FIRMWARE 1
 470 #define HFA384X_ROAMING_HOST 2
 471 #define HFA384X_ROAMING_DISABLED 3
 472
 473 #define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0)
 474 #define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1)
 475 #define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4)
 476 #define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7)
 477
 478 #define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13))
 479 #define HFA384X_RX_STATUS_PCF BIT(12)
 480 #define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8))
 481 #define HFA384X_RX_STATUS_UNDECR BIT(1)
 482 #define HFA384X_RX_STATUS_FCSERR BIT(0)
 483
 484 #define HFA384X_RX_STATUS_GET_MSGTYPE(s) \
 485 (((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13)
 486 #define HFA384X_RX_STATUS_GET_MACPORT(s) \
 487 (((s) & HFA384X_RX_STATUS_MACPORT) >> 8)
 488
 489 enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1,
 490        HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 };
 491
 492
 493 #define HFA384X_TX_CTRL_ALT_RTRY BIT(5)
 494 #define HFA384X_TX_CTRL_802_11 BIT(3)
 495 #define HFA384X_TX_CTRL_802_3 0
 496 #define HFA384X_TX_CTRL_TX_EX BIT(2)
 497 #define HFA384X_TX_CTRL_TX_OK BIT(1)
 498
 499 #define HFA384X_TX_STATUS_RETRYERR BIT(0)
 500 #define HFA384X_TX_STATUS_AGEDERR BIT(1)
 501 #define HFA384X_TX_STATUS_DISCON BIT(2)
 502 #define HFA384X_TX_STATUS_FORMERR BIT(3)
 503
 504 /* HFA3861/3863 (BBP) Control Registers */
 505 #define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */
 506 #define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */
 507 #define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */
 508 #define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */
 509 #define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */
 510
 511
 512 #ifdef __KERNEL__
 513
 514 #define PRISM2_TXFID_COUNT 8
 515 #define PRISM2_DATA_MAXLEN 2304
 516 #define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame))
 517 #define PRISM2_TXFID_EMPTY 0xffff
 518 #define PRISM2_TXFID_RESERVED 0xfffe
 519 #define PRISM2_DUMMY_FID 0xffff
 520 #define MAX_SSID_LEN 32
 521 #define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */
 522
 523 #define PRISM2_DUMP_RX_HDR BIT(0)
 524 #define PRISM2_DUMP_TX_HDR BIT(1)
 525 #define PRISM2_DUMP_TXEXC_HDR BIT(2)
 526
 527 struct hostap_tx_callback_info {
 528         u16 idx;
 529         void (*func)(struct sk_buff *, int ok, void *);
 530         void *data;
 531         struct hostap_tx_callback_info *next;
 532 };
 533
 534
 535 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 536  * three fragmented frames. This define can be increased to support more
 537  * concurrent frames, but it should be noted that each entry can consume about
 538  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 539 #define PRISM2_FRAG_CACHE_LEN 4
 540
 541 struct prism2_frag_entry {
 542         unsigned long first_frag_time;
 543         unsigned int seq;
 544         unsigned int last_frag;
 545         struct sk_buff *skb;
 546         u8 src_addr[ETH_ALEN];
 547         u8 dst_addr[ETH_ALEN];
 548 };
 549
 550
 551 struct hostap_cmd_queue {
 552         struct list_head list;
 553         wait_queue_head_t compl;
 554         volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type;
 555         void (*callback)(struct net_device *dev, long context, u16 resp0,
 556                          u16 res);
 557         long context;
 558         u16 cmd, param0, param1;
 559         u16 resp0, res;
 560         volatile int issued, issuing;
 561
 562         refcount_t usecnt;
 563         int del_req;
 564 };
 565
 566 /* options for hw_shutdown */
 567 #define HOSTAP_HW_NO_DISABLE BIT(0)
 568 #define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1)
 569
 570 typedef struct local_info local_info_t;
 571
 572 struct prism2_helper_functions {
 573         /* these functions are defined in hardware model specific files
 574          * (hostap_{cs,plx,pci}.c */
 575         int (*card_present)(local_info_t *local);
 576         void (*cor_sreset)(local_info_t *local);
 577         void (*genesis_reset)(local_info_t *local, int hcr);
 578
 579         /* the following functions are from hostap_hw.c, but they may have some
 580          * hardware model specific code */
 581
 582         /* FIX: low-level commands like cmd might disappear at some point to
 583          * make it easier to change them if needed (e.g., cmd would be replaced
 584          * with write_mif/read_mif/testcmd/inquire); at least get_rid and
 585          * set_rid might move to hostap_{cs,plx,pci}.c */
 586         int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1,
 587                    u16 *resp0);
 588         void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs);
 589         int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len,
 590                        int exact_len);
 591         int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len);
 592         int (*hw_enable)(struct net_device *dev, int initial);
 593         int (*hw_config)(struct net_device *dev, int initial);
 594         void (*hw_reset)(struct net_device *dev);
 595         void (*hw_shutdown)(struct net_device *dev, int no_disable);
 596         int (*reset_port)(struct net_device *dev);
 597         void (*schedule_reset)(local_info_t *local);
 598         int (*download)(local_info_t *local,
 599                         struct prism2_download_param *param);
 600         int (*tx)(struct sk_buff *skb, struct net_device *dev);
 601         int (*set_tim)(struct net_device *dev, int aid, int set);
 602         const struct file_operations *read_aux_fops;
 603
 604         int need_tx_headroom; /* number of bytes of headroom needed before
 605                                * IEEE 802.11 header */
 606         enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type;
 607 };
 608
 609
 610 struct prism2_download_data {
 611         u32 dl_cmd;
 612         u32 start_addr;
 613         u32 num_areas;
 614         struct prism2_download_data_area {
 615                 u32 addr; /* wlan card address */
 616                 u32 len;
 617                 u8 *data; /* allocated data */
 618         } data[0];
 619 };
 620
 621
 622 #define HOSTAP_MAX_BSS_COUNT 64
 623 #define MAX_WPA_IE_LEN 64
 624
 625 struct hostap_bss_info {
 626         struct list_head list;
 627         unsigned long last_update;
 628         unsigned int count;
 629         u8 bssid[ETH_ALEN];
 630         u16 capab_info;
 631         u8 ssid[32];
 632         size_t ssid_len;
 633         u8 wpa_ie[MAX_WPA_IE_LEN];
 634         size_t wpa_ie_len;
 635         u8 rsn_ie[MAX_WPA_IE_LEN];
 636         size_t rsn_ie_len;
 637         int chan;
 638         int included;
 639 };
 640
 641
 642 /* Per radio private Host AP data - shared by all net devices interfaces used
 643  * by each radio (wlan#, wlan#ap, wlan#sta, WDS).
 644  * ((struct hostap_interface *) netdev_priv(dev))->local points to this
 645  * structure. */
 646 struct local_info {
 647         struct module *hw_module;
 648         int card_idx;
 649         int dev_enabled;
 650         int master_dev_auto_open; /* was master device opened automatically */
 651         int num_dev_open; /* number of open devices */
 652         struct net_device *dev; /* master radio device */
 653         struct net_device *ddev; /* main data device */
 654         struct list_head hostap_interfaces; /* Host AP interface list (contains
 655                                              * struct hostap_interface entries)
 656                                              */
 657         rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
 658                               * when removing entries from the list.
 659                               * TX and RX paths can use read lock. */
 660         spinlock_t cmdlock, baplock, lock, irq_init_lock;
 661         struct mutex rid_bap_mtx;
 662         u16 infofid; /* MAC buffer id for info frame */
 663         /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
 664          * txfidlock */
 665         spinlock_t txfidlock;
 666         int txfid_len; /* length of allocated TX buffers */
 667         u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */
 668         /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if
 669          * corresponding txfid is free for next TX frame */
 670         u16 intransmitfid[PRISM2_TXFID_COUNT];
 671         int next_txfid; /* index to the next txfid to be checked for
 672                          * availability */
 673         int next_alloc; /* index to the next intransmitfid to be checked for
 674                          * allocation events */
 675
 676         /* bitfield for atomic bitops */
 677 #define HOSTAP_BITS_TRANSMIT 0
 678 #define HOSTAP_BITS_BAP_TASKLET 1
 679 #define HOSTAP_BITS_BAP_TASKLET2 2
 680         unsigned long bits;
 681
 682         struct ap_data *ap;
 683
 684         char essid[MAX_SSID_LEN + 1];
 685         char name[MAX_NAME_LEN + 1];
 686         int name_set;
 687         u16 channel_mask; /* mask of allowed channels */
 688         u16 scan_channel_mask; /* mask of channels to be scanned */
 689         struct comm_tallies_sums comm_tallies;
 690         struct proc_dir_entry *proc;
 691         int iw_mode; /* operating mode (IW_MODE_*) */
 692         int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS
 693                            * 1: IW_MODE_ADHOC is "pseudo IBSS" */
 694         char bssid[ETH_ALEN];
 695         int channel;
 696         int beacon_int;
 697         int dtim_period;
 698         int mtu;
 699         int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */
 700         int fw_tx_rate_control;
 701         u16 tx_rate_control;
 702         u16 basic_rates;
 703         int hw_resetting;
 704         int hw_ready;
 705         int hw_reset_tries; /* how many times reset has been tried */
 706         int hw_downloading;
 707         int shutdown;
 708         int pri_only;
 709         int no_pri; /* no PRI f/w present */
 710         int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */
 711
 712         enum {
 713                 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF,
 714                 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN
 715         } txpower_type;
 716         int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */
 717
 718         /* command queue for hfa384x_cmd(); protected with cmdlock */
 719         struct list_head cmd_queue;
 720         /* max_len for cmd_queue; in addition, cmd_callback can use two
 721          * additional entries to prevent sleeping commands from stopping
 722          * transmits */
 723 #define HOSTAP_CMD_QUEUE_MAX_LEN 16
 724         int cmd_queue_len; /* number of entries in cmd_queue */
 725
 726         /* if card timeout is detected in interrupt context, reset_queue is
 727          * used to schedule card reseting to be done in user context */
 728         struct work_struct reset_queue;
 729
 730         /* For scheduling a change of the promiscuous mode RID */
 731         int is_promisc;
 732         struct work_struct set_multicast_list_queue;
 733
 734         struct work_struct set_tim_queue;
 735         struct list_head set_tim_list;
 736         spinlock_t set_tim_lock;
 737
 738         int wds_max_connections;
 739         int wds_connections;
 740 #define HOSTAP_WDS_BROADCAST_RA BIT(0)
 741 #define HOSTAP_WDS_AP_CLIENT BIT(1)
 742 #define HOSTAP_WDS_STANDARD_FRAME BIT(2)
 743         u32 wds_type;
 744         u16 tx_control; /* flags to be used in TX description */
 745         int manual_retry_count; /* -1 = use f/w default; otherwise retry count
 746                                  * to be used with all frames */
 747
 748         struct iw_statistics wstats;
 749         unsigned long scan_timestamp; /* Time started to scan */
 750         enum {
 751                 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
 752                 PRISM2_MONITOR_CAPHDR = 2, PRISM2_MONITOR_RADIOTAP = 3
 753         } monitor_type;
 754         int monitor_allow_fcserr;
 755
 756         int hostapd; /* whether user space daemon, hostapd, is used for AP
 757                       * management */
 758         int hostapd_sta; /* whether hostapd is used with an extra STA interface
 759                           */
 760         struct net_device *apdev;
 761         struct net_device_stats apdevstats;
 762
 763         char assoc_ap_addr[ETH_ALEN];
 764         struct net_device *stadev;
 765         struct net_device_stats stadevstats;
 766
 767 #define WEP_KEYS 4
 768 #define WEP_KEY_LEN 13
 769         struct lib80211_crypt_info crypt_info;
 770
 771         int open_wep; /* allow unencrypted frames */
 772         int host_encrypt;
 773         int host_decrypt;
 774         int privacy_invoked; /* force privacy invoked flag even if no keys are
 775                               * configured */
 776         int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working
 777                             * in Host AP mode (STA f/w 1.4.9 or newer) */
 778         int bcrx_sta_key; /* use individual keys to override default keys even
 779                            * with RX of broad/multicast frames */
 780
 781         struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN];
 782         unsigned int frag_next_idx;
 783
 784         int ieee_802_1x; /* is IEEE 802.1X used */
 785
 786         int antsel_tx, antsel_rx;
 787         int rts_threshold; /* dot11RTSThreshold */
 788         int fragm_threshold; /* dot11FragmentationThreshold */
 789         int auth_algs; /* PRISM2_AUTH_ flags */
 790
 791         int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */
 792         int tallies32; /* 32-bit tallies in use */
 793
 794         struct prism2_helper_functions *func;
 795
 796         u8 *pda;
 797         int fw_ap;
 798 #define PRISM2_FW_VER(major, minor, variant) \
 799 (((major) << 16) | ((minor) << 8) | variant)
 800         u32 sta_fw_ver;
 801
 802         /* Tasklets for handling hardware IRQ related operations outside hw IRQ
 803          * handler */
 804         struct tasklet_struct bap_tasklet;
 805
 806         struct tasklet_struct info_tasklet;
 807         struct sk_buff_head info_list; /* info frames as skb's for
 808                                         * info_tasklet */
 809
 810         struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks
 811                                                       */
 812
 813         struct tasklet_struct rx_tasklet;
 814         struct sk_buff_head rx_list;
 815
 816         struct tasklet_struct sta_tx_exc_tasklet;
 817         struct sk_buff_head sta_tx_exc_list;
 818
 819         int host_roaming;
 820         unsigned long last_join_time; /* time of last JoinRequest */
 821         struct hfa384x_hostscan_result *last_scan_results;
 822         int last_scan_results_count;
 823         enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
 824         struct work_struct info_queue;
 825         unsigned long pending_info; /* bit field of pending info_queue items */
 826 #define PRISM2_INFO_PENDING_LINKSTATUS 0
 827 #define PRISM2_INFO_PENDING_SCANRESULTS 1
 828         int prev_link_status; /* previous received LinkStatus info */
 829         int prev_linkstatus_connected;
 830         u8 preferred_ap[ETH_ALEN]; /* use this AP if possible */
 831
 832 #ifdef PRISM2_CALLBACK
 833         void *callback_data; /* Can be used in callbacks; e.g., allocate
 834                               * on enable event and free on disable event.
 835                               * Host AP driver code does not touch this. */
 836 #endif /* PRISM2_CALLBACK */
 837
 838         wait_queue_head_t hostscan_wq;
 839
 840         /* Passive scan in Host AP mode */
 841         struct timer_list passive_scan_timer;
 842         int passive_scan_interval; /* in seconds, 0 = disabled */
 843         int passive_scan_channel;
 844         enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state;
 845
 846         struct timer_list tick_timer;
 847         unsigned long last_tick_timer;
 848         unsigned int sw_tick_stuck;
 849
 850         /* commsQuality / dBmCommsQuality data from periodic polling; only
 851          * valid for Managed and Ad-hoc modes */
 852         unsigned long last_comms_qual_update;
 853         int comms_qual; /* in some odd unit.. */
 854         int avg_signal; /* in dB (note: negative) */
 855         int avg_noise; /* in dB (note: negative) */
 856         struct work_struct comms_qual_update;
 857
 858         /* RSSI to dBm adjustment (for RX descriptor fields) */
 859         int rssi_to_dBm; /* subtract from RSSI to get approximate dBm value */
 860
 861         /* BSS list / protected by local->lock */
 862         struct list_head bss_list;
 863         int num_bss_info;
 864         int wpa; /* WPA support enabled */
 865         int tkip_countermeasures;
 866         int drop_unencrypted;
 867         /* Generic IEEE 802.11 info element to be added to
 868          * ProbeResp/Beacon/(Re)AssocReq */
 869         u8 *generic_elem;
 870         size_t generic_elem_len;
 871
 872 #ifdef PRISM2_DOWNLOAD_SUPPORT
 873         /* Persistent volatile download data */
 874         struct prism2_download_data *dl_pri;
 875         struct prism2_download_data *dl_sec;
 876 #endif /* PRISM2_DOWNLOAD_SUPPORT */
 877
 878 #ifdef PRISM2_IO_DEBUG
 879 #define PRISM2_IO_DEBUG_SIZE 10000
 880         u32 io_debug[PRISM2_IO_DEBUG_SIZE];
 881         int io_debug_head;
 882         int io_debug_enabled;
 883 #endif /* PRISM2_IO_DEBUG */
 884
 885         /* Pointer to hardware model specific (cs,pci,plx) private data. */
 886         void *hw_priv;
 887 };
 888
 889
 890 /* Per interface private Host AP data
 891  * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta,
 892  * WDS) and netdev_priv(dev) points to this structure. */
 893 struct hostap_interface {
 894         struct list_head list; /* list entry in Host AP interface list */
 895         struct net_device *dev; /* pointer to this device */
 896         struct local_info *local; /* pointer to shared private data */
 897         struct net_device_stats stats;
 898         struct iw_spy_data spy_data; /* iwspy support */
 899         struct iw_public_data wireless_data;
 900
 901         enum {
 902                 HOSTAP_INTERFACE_MASTER,
 903                 HOSTAP_INTERFACE_MAIN,
 904                 HOSTAP_INTERFACE_AP,
 905                 HOSTAP_INTERFACE_STA,
 906                 HOSTAP_INTERFACE_WDS,
 907         } type;
 908
 909         union {
 910                 struct hostap_interface_wds {
 911                         u8 remote_addr[ETH_ALEN];
 912                 } wds;
 913         } u;
 914 };
 915
 916
 917 #define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2
 918
 919 /*
 920  * TX meta data - stored in skb->cb buffer, so this must not be increased over
 921  * the 48-byte limit.
 922  * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE
 923  * TO SEE THE DAY.
 924  */
 925 struct hostap_skb_tx_data {
 926         unsigned int __padding_for_default_qdiscs;
 927         u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
 928         u8 rate; /* transmit rate */
 929 #define HOSTAP_TX_FLAGS_WDS BIT(0)
 930 #define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1)
 931 #define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2)
 932         u8 flags; /* HOSTAP_TX_FLAGS_* */
 933         u16 tx_cb_idx;
 934         struct hostap_interface *iface;
 935         unsigned long jiffies; /* queueing timestamp */
 936         unsigned short ethertype;
 937 };
 938
 939
 940 #ifndef PRISM2_NO_DEBUG
 941
 942 #define DEBUG_FID BIT(0)
 943 #define DEBUG_PS BIT(1)
 944 #define DEBUG_FLOW BIT(2)
 945 #define DEBUG_AP BIT(3)
 946 #define DEBUG_HW BIT(4)
 947 #define DEBUG_EXTRA BIT(5)
 948 #define DEBUG_EXTRA2 BIT(6)
 949 #define DEBUG_PS2 BIT(7)
 950 #define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA)
 951 #define PDEBUG(n, args...) \
 952 do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0)
 953 #define PDEBUG2(n, args...) \
 954 do { if ((n) & DEBUG_MASK) printk(args); } while (0)
 955
 956 #else /* PRISM2_NO_DEBUG */
 957
 958 #define PDEBUG(n, args...)
 959 #define PDEBUG2(n, args...)
 960
 961 #endif /* PRISM2_NO_DEBUG */
 962
 963 enum { BAP0 = 0, BAP1 = 1 };
 964
 965 #define PRISM2_IO_DEBUG_CMD_INB 0
 966 #define PRISM2_IO_DEBUG_CMD_INW 1
 967 #define PRISM2_IO_DEBUG_CMD_INSW 2
 968 #define PRISM2_IO_DEBUG_CMD_OUTB 3
 969 #define PRISM2_IO_DEBUG_CMD_OUTW 4
 970 #define PRISM2_IO_DEBUG_CMD_OUTSW 5
 971 #define PRISM2_IO_DEBUG_CMD_ERROR 6
 972 #define PRISM2_IO_DEBUG_CMD_INTERRUPT 7
 973
 974 #ifdef PRISM2_IO_DEBUG
 975
 976 #define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \
 977 (((cmd) << 24) | ((reg) << 16) | value)
 978
 979 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
 980                                        int reg, int value)
 981 {
 982         struct hostap_interface *iface = netdev_priv(dev);
 983         local_info_t *local = iface->local;
 984
 985         if (!local->io_debug_enabled)
 986                 return;
 987
 988         local->io_debug[local->io_debug_head] = jiffies & 0xffffffff;
 989         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 990                 local->io_debug_head = 0;
 991         local->io_debug[local->io_debug_head] =
 992                 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value);
 993         if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE)
 994                 local->io_debug_head = 0;
 995 }
 996
 997
 998 static inline void prism2_io_debug_error(struct net_device *dev, int err)
 999 {
1000         struct hostap_interface *iface = netdev_priv(dev);
1001         local_info_t *local = iface->local;
1002         unsigned long flags;
1003
1004         if (!local->io_debug_enabled)
1005                 return;
1006
1007         spin_lock_irqsave(&local->lock, flags);
1008         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err);
1009         if (local->io_debug_enabled == 1) {
1010                 local->io_debug_enabled = 0;
1011                 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name);
1012         }
1013         spin_unlock_irqrestore(&local->lock, flags);
1014 }
1015
1016 #else /* PRISM2_IO_DEBUG */
1017
1018 static inline void prism2_io_debug_add(struct net_device *dev, int cmd,
1019                                        int reg, int value)
1020 {
1021 }
1022
1023 static inline void prism2_io_debug_error(struct net_device *dev, int err)
1024 {
1025 }
1026
1027 #endif /* PRISM2_IO_DEBUG */
1028
1029
1030 #ifdef PRISM2_CALLBACK
1031 enum {
1032         /* Called when card is enabled */
1033         PRISM2_CALLBACK_ENABLE,
1034
1035         /* Called when card is disabled */
1036         PRISM2_CALLBACK_DISABLE,
1037
1038         /* Called when RX/TX starts/ends */
1039         PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END,
1040         PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END
1041 };
1042 void prism2_callback(local_info_t *local, int event);
1043 #else /* PRISM2_CALLBACK */
1044 #define prism2_callback(d, e) do { } while (0)
1045 #endif /* PRISM2_CALLBACK */
1046
1047 #endif /* __KERNEL__ */
1048
1049 #endif /* HOSTAP_WLAN_H */