kernel/drivers/staging/wilc1000/wilc_wlan_cfg.c

   1 /* ////////////////////////////////////////////////////////////////////////// */
   2 /*  */
   3 /* Copyright (c) Atmel Corporation.  All rights reserved. */
   4 /*  */
   5 /* Module Name:  wilc_wlan_cfg.c */
   6 /*  */
   7 /*  */
   8 /* ///////////////////////////////////////////////////////////////////////// */
   9
  10 #include <linux/string.h>
  11 #include "wilc_wlan_if.h"
  12 #include "wilc_wlan.h"
  13 #include "wilc_wlan_cfg.h"
  14 #include "coreconfigurator.h"
  15
  16 /********************************************
  17  *
  18  *      Global Data
  19  *
  20  ********************************************/
  21
  22 typedef struct {
  23         wilc_debug_func dPrint;
  24
  25         int mac_status;
  26         u8 mac_address[7];
  27         u8 ip_address[5];
  28         u8 bssid[7];
  29         u8 ssid[34];
  30         u8 firmware_version[129];
  31         u8 supp_rate[24];
  32         u8 wep_key[28];
  33         u8 i_psk[66];
  34         u8 hardwareProductVersion[33];
  35         u8 phyversion[17];
  36         u8 supp_username[21];
  37         u8 supp_password[64];
  38         u8 assoc_req[256];
  39         u8 assoc_rsp[256];
  40         u8 firmware_info[8];
  41         u8 scan_result[256];
  42         u8 scan_result1[256];
  43 } wilc_mac_cfg_t;
  44
  45 static wilc_mac_cfg_t g_mac;
  46
  47 static wilc_cfg_byte_t g_cfg_byte[] = {
  48         {WID_BSS_TYPE, 0},
  49         {WID_CURRENT_TX_RATE, 0},
  50         {WID_CURRENT_CHANNEL, 0},
  51         {WID_PREAMBLE, 0},
  52         {WID_11G_OPERATING_MODE, 0},
  53         {WID_STATUS, 0},
  54         {WID_SCAN_TYPE, 0},
  55         {WID_KEY_ID, 0},
  56         {WID_QOS_ENABLE, 0},
  57         {WID_POWER_MANAGEMENT, 0},
  58         {WID_11I_MODE, 0},
  59         {WID_AUTH_TYPE, 0},
  60         {WID_SITE_SURVEY, 0},
  61         {WID_LISTEN_INTERVAL, 0},
  62         {WID_DTIM_PERIOD, 0},
  63         {WID_ACK_POLICY, 0},
  64         {WID_BCAST_SSID, 0},
  65         {WID_REKEY_POLICY, 0},
  66         {WID_SHORT_SLOT_ALLOWED, 0},
  67         {WID_START_SCAN_REQ, 0},
  68         {WID_RSSI, 0},
  69         {WID_LINKSPEED, 0},
  70         {WID_AUTO_RX_SENSITIVITY, 0},
  71         {WID_DATAFLOW_CONTROL, 0},
  72         {WID_SCAN_FILTER, 0},
  73         {WID_11N_PROT_MECH, 0},
  74         {WID_11N_ERP_PROT_TYPE, 0},
  75         {WID_11N_ENABLE, 0},
  76         {WID_11N_OPERATING_MODE, 0},
  77         {WID_11N_OBSS_NONHT_DETECTION, 0},
  78         {WID_11N_HT_PROT_TYPE, 0},
  79         {WID_11N_RIFS_PROT_ENABLE, 0},
  80         {WID_11N_SMPS_MODE, 0},
  81         {WID_11N_CURRENT_TX_MCS, 0},
  82         {WID_11N_SHORT_GI_ENABLE, 0},
  83         {WID_RIFS_MODE, 0},
  84         {WID_TX_ABORT_CONFIG, 0},
  85         {WID_11N_IMMEDIATE_BA_ENABLED, 0},
  86         {WID_11N_TXOP_PROT_DISABLE, 0},
  87         {WID_NIL, 0}
  88 };
  89
  90 static wilc_cfg_hword_t g_cfg_hword[] = {
  91         {WID_LINK_LOSS_THRESHOLD, 0},
  92         {WID_RTS_THRESHOLD, 0},
  93         {WID_FRAG_THRESHOLD, 0},
  94         {WID_SHORT_RETRY_LIMIT, 0},
  95         {WID_LONG_RETRY_LIMIT, 0},
  96         {WID_BEACON_INTERVAL, 0},
  97         {WID_RX_SENSE, 0},
  98         {WID_ACTIVE_SCAN_TIME, 0},
  99         {WID_PASSIVE_SCAN_TIME, 0},
 100         {WID_SITE_SURVEY_SCAN_TIME, 0},
 101         {WID_JOIN_START_TIMEOUT, 0},
 102         {WID_AUTH_TIMEOUT, 0},
 103         {WID_ASOC_TIMEOUT, 0},
 104         {WID_11I_PROTOCOL_TIMEOUT, 0},
 105         {WID_EAPOL_RESPONSE_TIMEOUT, 0},
 106         {WID_11N_SIG_QUAL_VAL, 0},
 107         {WID_CCA_THRESHOLD, 0},
 108         {WID_NIL, 0}
 109 };
 110
 111 static wilc_cfg_word_t g_cfg_word[] = {
 112         {WID_FAILED_COUNT, 0},
 113         {WID_RETRY_COUNT, 0},
 114         {WID_MULTIPLE_RETRY_COUNT, 0},
 115         {WID_FRAME_DUPLICATE_COUNT, 0},
 116         {WID_ACK_FAILURE_COUNT, 0},
 117         {WID_RECEIVED_FRAGMENT_COUNT, 0},
 118         {WID_MCAST_RECEIVED_FRAME_COUNT, 0},
 119         {WID_FCS_ERROR_COUNT, 0},
 120         {WID_SUCCESS_FRAME_COUNT, 0},
 121         {WID_TX_FRAGMENT_COUNT, 0},
 122         {WID_TX_MULTICAST_FRAME_COUNT, 0},
 123         {WID_RTS_SUCCESS_COUNT, 0},
 124         {WID_RTS_FAILURE_COUNT, 0},
 125         {WID_WEP_UNDECRYPTABLE_COUNT, 0},
 126         {WID_REKEY_PERIOD, 0},
 127         {WID_REKEY_PACKET_COUNT, 0},
 128         {WID_HW_RX_COUNT, 0},
 129         {WID_GET_INACTIVE_TIME, 0},
 130         {WID_NIL, 0}
 131
 132 };
 133
 134 static wilc_cfg_str_t g_cfg_str[] = {
 135         {WID_SSID, g_mac.ssid}, /* 33 + 1 bytes */
 136         {WID_FIRMWARE_VERSION, g_mac.firmware_version},
 137         {WID_OPERATIONAL_RATE_SET, g_mac.supp_rate},
 138         {WID_BSSID, g_mac.bssid},       /* 6 bytes */
 139         {WID_WEP_KEY_VALUE, g_mac.wep_key},     /* 27 bytes */
 140         {WID_11I_PSK, g_mac.i_psk},     /* 65 bytes */
 141         /* {WID_11E_P_ACTION_REQ, g_mac.action_req}, */
 142         {WID_HARDWARE_VERSION, g_mac.hardwareProductVersion},
 143         {WID_MAC_ADDR, g_mac.mac_address},
 144         {WID_PHY_VERSION, g_mac.phyversion},
 145         {WID_SUPP_USERNAME, g_mac.supp_username},
 146         {WID_SUPP_PASSWORD, g_mac.supp_password},
 147         {WID_SITE_SURVEY_RESULTS, g_mac.scan_result},
 148         {WID_SITE_SURVEY_RESULTS, g_mac.scan_result1},
 149         /* {WID_RX_POWER_LEVEL, g_mac.channel_rssi}, */
 150         {WID_ASSOC_REQ_INFO, g_mac.assoc_req},
 151         {WID_ASSOC_RES_INFO, g_mac.assoc_rsp},
 152         /* {WID_11N_P_ACTION_REQ, g_mac.action_req}, */
 153         {WID_FIRMWARE_INFO, g_mac.firmware_version},
 154         {WID_IP_ADDRESS, g_mac.ip_address},
 155         {WID_NIL, NULL}
 156 };
 157
 158 /********************************************
 159  *
 160  *      Configuration Functions
 161  *
 162  ********************************************/
 163
 164 static int wilc_wlan_cfg_set_byte(u8 *frame, u32 offset, u16 id, u8 val8)
 165 {
 166         u8 *buf;
 167
 168         if ((offset + 4) >= MAX_CFG_FRAME_SIZE)
 169                 return 0;
 170
 171         buf = &frame[offset];
 172
 173         buf[0] = (u8)id;
 174         buf[1] = (u8)(id >> 8);
 175         buf[2] = 1;
 176         buf[3] = val8;
 177         return 4;
 178 }
 179
 180 static int wilc_wlan_cfg_set_hword(u8 *frame, u32 offset, u16 id, u16 val16)
 181 {
 182         u8 *buf;
 183
 184         if ((offset + 5) >= MAX_CFG_FRAME_SIZE)
 185                 return 0;
 186
 187         buf = &frame[offset];
 188
 189         buf[0] = (u8)id;
 190         buf[1] = (u8)(id >> 8);
 191         buf[2] = 2;
 192         buf[3] = (u8)val16;
 193         buf[4] = (u8)(val16 >> 8);
 194
 195         return 5;
 196 }
 197
 198 static int wilc_wlan_cfg_set_word(u8 *frame, u32 offset, u16 id, u32 val32)
 199 {
 200         u8 *buf;
 201
 202         if ((offset + 7) >= MAX_CFG_FRAME_SIZE)
 203                 return 0;
 204
 205         buf = &frame[offset];
 206
 207         buf[0] = (u8)id;
 208         buf[1] = (u8)(id >> 8);
 209         buf[2] = 4;
 210         buf[3] = (u8)val32;
 211         buf[4] = (u8)(val32 >> 8);
 212         buf[5] = (u8)(val32 >> 16);
 213         buf[6] = (u8)(val32 >> 24);
 214
 215         return 7;
 216 }
 217
 218 static int wilc_wlan_cfg_set_str(u8 *frame, u32 offset, u16 id, u8 *str, u32 size)
 219 {
 220         u8 *buf;
 221
 222         if ((offset + size + 3) >= MAX_CFG_FRAME_SIZE)
 223                 return 0;
 224
 225         buf = &frame[offset];
 226
 227         buf[0] = (u8)id;
 228         buf[1] = (u8)(id >> 8);
 229         buf[2] = (u8)size;
 230
 231         if ((str != NULL) && (size != 0))
 232                 memcpy(&buf[3], str, size);
 233
 234         return (size + 3);
 235 }
 236
 237 static int wilc_wlan_cfg_set_bin(u8 *frame, u32 offset, u16 id, u8 *b, u32 size)
 238 {
 239         u8 *buf;
 240         u32 i;
 241         u8 checksum = 0;
 242
 243         if ((offset + size + 5) >= MAX_CFG_FRAME_SIZE)
 244                 return 0;
 245
 246         buf = &frame[offset];
 247         buf[0] = (u8)id;
 248         buf[1] = (u8)(id >> 8);
 249         buf[2] = (u8)size;
 250         buf[3] = (u8)(size >> 8);
 251
 252         if ((b != NULL) && (size != 0)) {
 253                 memcpy(&buf[4], b, size);
 254                 for (i = 0; i < size; i++) {
 255                         checksum += buf[i + 4];
 256                 }
 257         }
 258
 259         buf[size + 4] = checksum;
 260
 261         return (size + 5);
 262 }
 263
 264 /********************************************
 265  *
 266  *      Configuration Response Functions
 267  *
 268  ********************************************/
 269
 270 static void wilc_wlan_parse_response_frame(u8 *info, int size)
 271 {
 272         u32 wid, len = 0, i = 0;
 273         static int seq;
 274
 275         while (size > 0) {
 276                 i = 0;
 277                 wid = info[0] | (info[1] << 8);
 278 #ifdef BIG_ENDIAN
 279                 wid = BYTE_SWAP(wid);
 280 #endif
 281                 PRINT_INFO(GENERIC_DBG, "Processing response for %d seq %d\n", wid, seq++);
 282                 switch ((wid >> 12) & 0x7) {
 283                 case WID_CHAR:
 284                         do {
 285                                 if (g_cfg_byte[i].id == WID_NIL)
 286                                         break;
 287
 288                                 if (g_cfg_byte[i].id == wid) {
 289                                         g_cfg_byte[i].val = info[3];
 290                                         break;
 291                                 }
 292                                 i++;
 293                         } while (1);
 294                         len = 2;
 295                         break;
 296
 297                 case WID_SHORT:
 298                         do {
 299                                 if (g_cfg_hword[i].id == WID_NIL)
 300                                         break;
 301
 302                                 if (g_cfg_hword[i].id == wid) {
 303 #ifdef BIG_ENDIAN
 304                                         g_cfg_hword[i].val = (info[3] << 8) | (info[4]);
 305 #else
 306                                         g_cfg_hword[i].val = info[3] | (info[4] << 8);
 307 #endif
 308                                         break;
 309                                 }
 310                                 i++;
 311                         } while (1);
 312                         len = 3;
 313                         break;
 314
 315                 case WID_INT:
 316                         do {
 317                                 if (g_cfg_word[i].id == WID_NIL)
 318                                         break;
 319
 320                                 if (g_cfg_word[i].id == wid) {
 321 #ifdef BIG_ENDIAN
 322                                         g_cfg_word[i].val = (info[3] << 24) | (info[4] << 16) | (info[5] << 8) | (info[6]);
 323 #else
 324                                         g_cfg_word[i].val = info[3] | (info[4] << 8) | (info[5] << 16) | (info[6] << 24);
 325 #endif
 326                                         break;
 327                                 }
 328                                 i++;
 329                         } while (1);
 330                         len = 5;
 331                         break;
 332
 333                 case WID_STR:
 334                         do {
 335                                 if (g_cfg_str[i].id == WID_NIL)
 336                                         break;
 337
 338                                 if (g_cfg_str[i].id == wid) {
 339                                         if (wid == WID_SITE_SURVEY_RESULTS) {
 340                                                 static int toggle;
 341
 342                                                 PRINT_INFO(GENERIC_DBG, "Site survey results received[%d]\n",
 343                                                            size);
 344
 345                                                 PRINT_INFO(GENERIC_DBG, "Site survey results value[%d]toggle[%d]\n", size, toggle);
 346                                                 i += toggle;
 347                                                 toggle ^= 1;
 348                                         }
 349                                         memcpy(g_cfg_str[i].str, &info[2], (info[2] + 1));
 350                                         break;
 351                                 }
 352                                 i++;
 353                         } while (1);
 354                         len = 1 + info[2];
 355                         break;
 356
 357                 default:
 358                         break;
 359                 }
 360                 size -= (2 + len);
 361                 info += (2 + len);
 362         }
 363 }
 364
 365 static int wilc_wlan_parse_info_frame(u8 *info, int size)
 366 {
 367         wilc_mac_cfg_t *pd = &g_mac;
 368         u32 wid, len;
 369         int type = WILC_CFG_RSP_STATUS;
 370
 371         wid = info[0] | (info[1] << 8);
 372
 373         len = info[2];
 374         PRINT_INFO(GENERIC_DBG, "Status Len = %d Id= %d\n", len, wid);
 375         if ((len == 1) && (wid == WID_STATUS)) {
 376                 pd->mac_status = info[3];
 377                 type = WILC_CFG_RSP_STATUS;
 378         }
 379
 380         return type;
 381 }
 382
 383 /********************************************
 384  *
 385  *      Configuration Exported Functions
 386  *
 387  ********************************************/
 388
 389 int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size)
 390 {
 391         u8 type = (id >> 12) & 0xf;
 392         int ret = 0;
 393
 394         if (type == 0) {                                        /* byte command */
 395                 if (size >= 1)
 396                         ret = wilc_wlan_cfg_set_byte(frame, offset, id, *buf);
 397         } else if (type == 1) {                 /* half word command */
 398                 if (size >= 2)
 399                         ret = wilc_wlan_cfg_set_hword(frame, offset, id, *((u16 *)buf));
 400         } else if (type == 2) {                 /* word command */
 401                 if (size >= 4)
 402                         ret = wilc_wlan_cfg_set_word(frame, offset, id, *((u32 *)buf));
 403         } else if (type == 3) {                 /* string command */
 404                 ret = wilc_wlan_cfg_set_str(frame, offset, id, buf, size);
 405         } else if (type == 4) {                 /* binary command */
 406                 ret = wilc_wlan_cfg_set_bin(frame, offset, id, buf, size);
 407         } else {
 408                 g_mac.dPrint(N_ERR, "illegal id\n");
 409         }
 410
 411         return ret;
 412 }
 413
 414 int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id)
 415 {
 416         u8 *buf;
 417
 418         if ((offset + 2) >= MAX_CFG_FRAME_SIZE)
 419                 return 0;
 420
 421         buf = &frame[offset];
 422
 423         buf[0] = (u8)id;
 424         buf[1] = (u8)(id >> 8);
 425
 426         return 2;
 427 }
 428
 429 int wilc_wlan_cfg_get_wid_value(u16 wid, u8 *buffer, u32 buffer_size)
 430 {
 431         u32 type = (wid >> 12) & 0xf;
 432         int i, ret = 0;
 433
 434         if (wid == WID_STATUS) {
 435                 *((u32 *)buffer) = g_mac.mac_status;
 436                 return 4;
 437         }
 438
 439         i = 0;
 440         if (type == 0) {                                        /* byte command */
 441                 do {
 442                         if (g_cfg_byte[i].id == WID_NIL)
 443                                 break;
 444
 445                         if (g_cfg_byte[i].id == wid) {
 446                                 memcpy(buffer,  &g_cfg_byte[i].val, 1);
 447                                 ret = 1;
 448                                 break;
 449                         }
 450                         i++;
 451                 } while (1);
 452         } else if (type == 1) {                 /* half word command */
 453                 do {
 454                         if (g_cfg_hword[i].id == WID_NIL)
 455                                 break;
 456
 457                         if (g_cfg_hword[i].id == wid) {
 458                                 memcpy(buffer,  &g_cfg_hword[i].val, 2);
 459                                 ret = 2;
 460                                 break;
 461                         }
 462                         i++;
 463                 } while (1);
 464         } else if (type == 2) {                 /* word command */
 465                 do {
 466                         if (g_cfg_word[i].id == WID_NIL)
 467                                 break;
 468
 469                         if (g_cfg_word[i].id == wid) {
 470                                 memcpy(buffer,  &g_cfg_word[i].val, 4);
 471                                 ret = 4;
 472                                 break;
 473                         }
 474                         i++;
 475                 } while (1);
 476         } else if (type == 3) {                 /* string command */
 477                 do {
 478                         if (g_cfg_str[i].id == WID_NIL)
 479                                 break;
 480
 481                         if (g_cfg_str[i].id == wid) {
 482                                 u32 size =  g_cfg_str[i].str[0];
 483
 484                                 if (buffer_size >= size) {
 485                                         if (g_cfg_str[i].id == WID_SITE_SURVEY_RESULTS) {
 486                                                 static int toggle;
 487
 488                                                 PRINT_INFO(GENERIC_DBG, "Site survey results value[%d]\n",
 489                                                            size);
 490                                                 i += toggle;
 491                                                 toggle ^= 1;
 492
 493                                         }
 494                                         memcpy(buffer,  &g_cfg_str[i].str[1], size);
 495                                         ret = size;
 496                                 }
 497                                 break;
 498                         }
 499                         i++;
 500                 } while (1);
 501         } else {
 502                 g_mac.dPrint(N_ERR, "[CFG]: illegal type (%08x)\n", wid);
 503         }
 504
 505         return ret;
 506 }
 507
 508 int wilc_wlan_cfg_indicate_rx(u8 *frame, int size, wilc_cfg_rsp_t *rsp)
 509 {
 510         int ret = 1;
 511         u8 msg_type;
 512         u8 msg_id;
 513
 514         msg_type = frame[0];
 515         msg_id = frame[1];      /* seq no */
 516         frame += 4;
 517         size -= 4;
 518
 519         /**
 520          *      The  valid types of response messages are 'R' (Response), 'I' (Information), and 'N' (Network Information)
 521          **/
 522
 523         switch (msg_type) {
 524         case 'R':
 525                 wilc_wlan_parse_response_frame(frame, size);
 526                 rsp->type = WILC_CFG_RSP;
 527                 rsp->seq_no = msg_id;
 528                 break;
 529
 530         case 'I':
 531                 rsp->type = wilc_wlan_parse_info_frame(frame, size);
 532                 rsp->seq_no = msg_id;
 533                 /*call host interface info parse as well*/
 534                 PRINT_INFO(RX_DBG, "Info message received\n");
 535                 GnrlAsyncInfoReceived(frame - 4, size + 4);
 536                 break;
 537
 538         case 'N':
 539                 NetworkInfoReceived(frame - 4, size + 4);
 540                 rsp->type = 0;
 541                 break;
 542
 543         case 'S':
 544                 PRINT_INFO(RX_DBG, "Scan Notification Received\n");
 545                 host_int_ScanCompleteReceived(frame - 4, size + 4);
 546                 break;
 547
 548         default:
 549                 PRINT_INFO(RX_DBG, "Receive unknown message type[%d-%d-%d-%d-%d-%d-%d-%d]\n",
 550                            frame[0], frame[1], frame[2], frame[3], frame[4],
 551                            frame[5], frame[6], frame[7]);
 552                 rsp->type = 0;
 553                 rsp->seq_no = msg_id;
 554                 ret = 0;
 555                 break;
 556         }
 557
 558         return ret;
 559 }
 560
 561 int wilc_wlan_cfg_init(wilc_debug_func func)
 562 {
 563         memset((void *)&g_mac, 0, sizeof(wilc_mac_cfg_t));
 564         g_mac.dPrint = func;
 565         return 1;
 566 }