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