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 enum cfg_cmd_type {
  22         CFG_BYTE_CMD    = 0,
  23         CFG_HWORD_CMD   = 1,
  24         CFG_WORD_CMD    = 2,
  25         CFG_STR_CMD     = 3,
  26         CFG_BIN_CMD     = 4
  27 };
  28
  29 struct wilc_mac_cfg {
  30         int mac_status;
  31         u8 mac_address[7];
  32         u8 ip_address[5];
  33         u8 bssid[7];
  34         u8 ssid[34];
  35         u8 firmware_version[129];
  36         u8 supp_rate[24];
  37         u8 wep_key[28];
  38         u8 i_psk[66];
  39         u8 hw_product_version[33];
  40         u8 phyversion[17];
  41         u8 supp_username[21];
  42         u8 supp_password[64];
  43         u8 assoc_req[256];
  44         u8 assoc_rsp[256];
  45         u8 firmware_info[8];
  46         u8 scan_result[256];
  47         u8 scan_result1[256];
  48 };
  49
  50 static struct wilc_mac_cfg g_mac;
  51
  52 static struct wilc_cfg_byte g_cfg_byte[] = {
  53         {WID_BSS_TYPE, 0},
  54         {WID_CURRENT_TX_RATE, 0},
  55         {WID_CURRENT_CHANNEL, 0},
  56         {WID_PREAMBLE, 0},
  57         {WID_11G_OPERATING_MODE, 0},
  58         {WID_STATUS, 0},
  59         {WID_SCAN_TYPE, 0},
  60         {WID_KEY_ID, 0},
  61         {WID_QOS_ENABLE, 0},
  62         {WID_POWER_MANAGEMENT, 0},
  63         {WID_11I_MODE, 0},
  64         {WID_AUTH_TYPE, 0},
  65         {WID_SITE_SURVEY, 0},
  66         {WID_LISTEN_INTERVAL, 0},
  67         {WID_DTIM_PERIOD, 0},
  68         {WID_ACK_POLICY, 0},
  69         {WID_BCAST_SSID, 0},
  70         {WID_REKEY_POLICY, 0},
  71         {WID_SHORT_SLOT_ALLOWED, 0},
  72         {WID_START_SCAN_REQ, 0},
  73         {WID_RSSI, 0},
  74         {WID_LINKSPEED, 0},
  75         {WID_AUTO_RX_SENSITIVITY, 0},
  76         {WID_DATAFLOW_CONTROL, 0},
  77         {WID_SCAN_FILTER, 0},
  78         {WID_11N_PROT_MECH, 0},
  79         {WID_11N_ERP_PROT_TYPE, 0},
  80         {WID_11N_ENABLE, 0},
  81         {WID_11N_OPERATING_MODE, 0},
  82         {WID_11N_OBSS_NONHT_DETECTION, 0},
  83         {WID_11N_HT_PROT_TYPE, 0},
  84         {WID_11N_RIFS_PROT_ENABLE, 0},
  85         {WID_11N_SMPS_MODE, 0},
  86         {WID_11N_CURRENT_TX_MCS, 0},
  87         {WID_11N_SHORT_GI_ENABLE, 0},
  88         {WID_RIFS_MODE, 0},
  89         {WID_TX_ABORT_CONFIG, 0},
  90         {WID_11N_IMMEDIATE_BA_ENABLED, 0},
  91         {WID_11N_TXOP_PROT_DISABLE, 0},
  92         {WID_NIL, 0}
  93 };
  94
  95 static struct wilc_cfg_hword g_cfg_hword[] = {
  96         {WID_LINK_LOSS_THRESHOLD, 0},
  97         {WID_RTS_THRESHOLD, 0},
  98         {WID_FRAG_THRESHOLD, 0},
  99         {WID_SHORT_RETRY_LIMIT, 0},
 100         {WID_LONG_RETRY_LIMIT, 0},
 101         {WID_BEACON_INTERVAL, 0},
 102         {WID_RX_SENSE, 0},
 103         {WID_ACTIVE_SCAN_TIME, 0},
 104         {WID_PASSIVE_SCAN_TIME, 0},
 105         {WID_SITE_SURVEY_SCAN_TIME, 0},
 106         {WID_JOIN_START_TIMEOUT, 0},
 107         {WID_AUTH_TIMEOUT, 0},
 108         {WID_ASOC_TIMEOUT, 0},
 109         {WID_11I_PROTOCOL_TIMEOUT, 0},
 110         {WID_EAPOL_RESPONSE_TIMEOUT, 0},
 111         {WID_11N_SIG_QUAL_VAL, 0},
 112         {WID_CCA_THRESHOLD, 0},
 113         {WID_NIL, 0}
 114 };
 115
 116 static struct wilc_cfg_word g_cfg_word[] = {
 117         {WID_FAILED_COUNT, 0},
 118         {WID_RETRY_COUNT, 0},
 119         {WID_MULTIPLE_RETRY_COUNT, 0},
 120         {WID_FRAME_DUPLICATE_COUNT, 0},
 121         {WID_ACK_FAILURE_COUNT, 0},
 122         {WID_RECEIVED_FRAGMENT_COUNT, 0},
 123         {WID_MCAST_RECEIVED_FRAME_COUNT, 0},
 124         {WID_FCS_ERROR_COUNT, 0},
 125         {WID_SUCCESS_FRAME_COUNT, 0},
 126         {WID_TX_FRAGMENT_COUNT, 0},
 127         {WID_TX_MULTICAST_FRAME_COUNT, 0},
 128         {WID_RTS_SUCCESS_COUNT, 0},
 129         {WID_RTS_FAILURE_COUNT, 0},
 130         {WID_WEP_UNDECRYPTABLE_COUNT, 0},
 131         {WID_REKEY_PERIOD, 0},
 132         {WID_REKEY_PACKET_COUNT, 0},
 133         {WID_HW_RX_COUNT, 0},
 134         {WID_GET_INACTIVE_TIME, 0},
 135         {WID_NIL, 0}
 136
 137 };
 138
 139 static struct wilc_cfg_str g_cfg_str[] = {
 140         {WID_SSID, g_mac.ssid}, /* 33 + 1 bytes */
 141         {WID_FIRMWARE_VERSION, g_mac.firmware_version},
 142         {WID_OPERATIONAL_RATE_SET, g_mac.supp_rate},
 143         {WID_BSSID, g_mac.bssid},       /* 6 bytes */
 144         {WID_WEP_KEY_VALUE, g_mac.wep_key},     /* 27 bytes */
 145         {WID_11I_PSK, g_mac.i_psk},     /* 65 bytes */
 146         {WID_HARDWARE_VERSION, g_mac.hw_product_version},
 147         {WID_MAC_ADDR, g_mac.mac_address},
 148         {WID_PHY_VERSION, g_mac.phyversion},
 149         {WID_SUPP_USERNAME, g_mac.supp_username},
 150         {WID_SUPP_PASSWORD, g_mac.supp_password},
 151         {WID_SITE_SURVEY_RESULTS, g_mac.scan_result},
 152         {WID_SITE_SURVEY_RESULTS, g_mac.scan_result1},
 153         {WID_ASSOC_REQ_INFO, g_mac.assoc_req},
 154         {WID_ASSOC_RES_INFO, g_mac.assoc_rsp},
 155         {WID_FIRMWARE_INFO, g_mac.firmware_version},
 156         {WID_IP_ADDRESS, g_mac.ip_address},
 157         {WID_NIL, NULL}
 158 };
 159
 160 /********************************************
 161  *
 162  *      Configuration Functions
 163  *
 164  ********************************************/
 165
 166 static int wilc_wlan_cfg_set_byte(u8 *frame, u32 offset, u16 id, u8 val8)
 167 {
 168         u8 *buf;
 169
 170         if ((offset + 4) >= MAX_CFG_FRAME_SIZE)
 171                 return 0;
 172
 173         buf = &frame[offset];
 174
 175         buf[0] = (u8)id;
 176         buf[1] = (u8)(id >> 8);
 177         buf[2] = 1;
 178         buf[3] = val8;
 179         return 4;
 180 }
 181
 182 static int wilc_wlan_cfg_set_hword(u8 *frame, u32 offset, u16 id, u16 val16)
 183 {
 184         u8 *buf;
 185
 186         if ((offset + 5) >= MAX_CFG_FRAME_SIZE)
 187                 return 0;
 188
 189         buf = &frame[offset];
 190
 191         buf[0] = (u8)id;
 192         buf[1] = (u8)(id >> 8);
 193         buf[2] = 2;
 194         buf[3] = (u8)val16;
 195         buf[4] = (u8)(val16 >> 8);
 196
 197         return 5;
 198 }
 199
 200 static int wilc_wlan_cfg_set_word(u8 *frame, u32 offset, u16 id, u32 val32)
 201 {
 202         u8 *buf;
 203
 204         if ((offset + 7) >= MAX_CFG_FRAME_SIZE)
 205                 return 0;
 206
 207         buf = &frame[offset];
 208
 209         buf[0] = (u8)id;
 210         buf[1] = (u8)(id >> 8);
 211         buf[2] = 4;
 212         buf[3] = (u8)val32;
 213         buf[4] = (u8)(val32 >> 8);
 214         buf[5] = (u8)(val32 >> 16);
 215         buf[6] = (u8)(val32 >> 24);
 216
 217         return 7;
 218 }
 219
 220 static int wilc_wlan_cfg_set_str(u8 *frame, u32 offset, u16 id, u8 *str, u32 size)
 221 {
 222         u8 *buf;
 223
 224         if ((offset + size + 3) >= MAX_CFG_FRAME_SIZE)
 225                 return 0;
 226
 227         buf = &frame[offset];
 228
 229         buf[0] = (u8)id;
 230         buf[1] = (u8)(id >> 8);
 231         buf[2] = (u8)size;
 232
 233         if ((str) && (size != 0))
 234                 memcpy(&buf[3], str, size);
 235
 236         return (size + 3);
 237 }
 238
 239 static int wilc_wlan_cfg_set_bin(u8 *frame, u32 offset, u16 id, u8 *b, u32 size)
 240 {
 241         u8 *buf;
 242         u32 i;
 243         u8 checksum = 0;
 244
 245         if ((offset + size + 5) >= MAX_CFG_FRAME_SIZE)
 246                 return 0;
 247
 248         buf = &frame[offset];
 249         buf[0] = (u8)id;
 250         buf[1] = (u8)(id >> 8);
 251         buf[2] = (u8)size;
 252         buf[3] = (u8)(size >> 8);
 253
 254         if ((b) && (size != 0)) {
 255                 memcpy(&buf[4], b, size);
 256                 for (i = 0; i < size; i++)
 257                         checksum += buf[i + 4];
 258         }
 259
 260         buf[size + 4] = checksum;
 261
 262         return (size + 5);
 263 }
 264
 265 /********************************************
 266  *
 267  *      Configuration Response Functions
 268  *
 269  ********************************************/
 270
 271 static void wilc_wlan_parse_response_frame(u8 *info, int size)
 272 {
 273         u32 wid, len = 0, i = 0;
 274
 275         while (size > 0) {
 276                 i = 0;
 277                 wid = info[0] | (info[1] << 8);
 278                 wid = cpu_to_le32(wid);
 279
 280                 switch ((wid >> 12) & 0x7) {
 281                 case WID_CHAR:
 282                         do {
 283                                 if (g_cfg_byte[i].id == WID_NIL)
 284                                         break;
 285
 286                                 if (g_cfg_byte[i].id == wid) {
 287                                         g_cfg_byte[i].val = info[3];
 288                                         break;
 289                                 }
 290                                 i++;
 291                         } while (1);
 292                         len = 2;
 293                         break;
 294
 295                 case WID_SHORT:
 296                         do {
 297                                 if (g_cfg_hword[i].id == WID_NIL)
 298                                         break;
 299
 300                                 if (g_cfg_hword[i].id == wid) {
 301                                         g_cfg_hword[i].val = cpu_to_le16(info[3] | (info[4] << 8));
 302                                         break;
 303                                 }
 304                                 i++;
 305                         } while (1);
 306                         len = 3;
 307                         break;
 308
 309                 case WID_INT:
 310                         do {
 311                                 if (g_cfg_word[i].id == WID_NIL)
 312                                         break;
 313
 314                                 if (g_cfg_word[i].id == wid) {
 315                                         g_cfg_word[i].val = cpu_to_le32(info[3] | (info[4] << 8) | (info[5] << 16) | (info[6] << 24));
 316                                         break;
 317                                 }
 318                                 i++;
 319                         } while (1);
 320                         len = 5;
 321                         break;
 322
 323                 case WID_STR:
 324                         do {
 325                                 if (g_cfg_str[i].id == WID_NIL)
 326                                         break;
 327
 328                                 if (g_cfg_str[i].id == wid) {
 329                                         if (wid == WID_SITE_SURVEY_RESULTS) {
 330                                                 static int toggle;
 331
 332                                                 i += toggle;
 333                                                 toggle ^= 1;
 334                                         }
 335                                         memcpy(g_cfg_str[i].str, &info[2], (info[2] + 1));
 336                                         break;
 337                                 }
 338                                 i++;
 339                         } while (1);
 340                         len = 1 + info[2];
 341                         break;
 342
 343                 default:
 344                         break;
 345                 }
 346                 size -= (2 + len);
 347                 info += (2 + len);
 348         }
 349 }
 350
 351 static int wilc_wlan_parse_info_frame(u8 *info, int size)
 352 {
 353         struct wilc_mac_cfg *pd = &g_mac;
 354         u32 wid, len;
 355         int type = WILC_CFG_RSP_STATUS;
 356
 357         wid = info[0] | (info[1] << 8);
 358
 359         len = info[2];
 360
 361         if ((len == 1) && (wid == WID_STATUS)) {
 362                 pd->mac_status = info[3];
 363                 type = WILC_CFG_RSP_STATUS;
 364         }
 365
 366         return type;
 367 }
 368
 369 /********************************************
 370  *
 371  *      Configuration Exported Functions
 372  *
 373  ********************************************/
 374
 375 int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size)
 376 {
 377         u8 type = (id >> 12) & 0xf;
 378         int ret = 0;
 379
 380         switch (type) {
 381         case CFG_BYTE_CMD:
 382                 if (size >= 1)
 383                         ret = wilc_wlan_cfg_set_byte(frame, offset, id, *buf);
 384                 break;
 385
 386         case CFG_HWORD_CMD:
 387                 if (size >= 2)
 388                         ret = wilc_wlan_cfg_set_hword(frame, offset, id,
 389                                                       *((u16 *)buf));
 390                 break;
 391
 392         case CFG_WORD_CMD:
 393                 if (size >= 4)
 394                         ret = wilc_wlan_cfg_set_word(frame, offset, id,
 395                                                      *((u32 *)buf));
 396                 break;
 397
 398         case CFG_STR_CMD:
 399                 ret = wilc_wlan_cfg_set_str(frame, offset, id, buf, size);
 400                 break;
 401
 402         case CFG_BIN_CMD:
 403                 ret = wilc_wlan_cfg_set_bin(frame, offset, id, buf, size);
 404                 break;
 405         }
 406
 407         return ret;
 408 }
 409
 410 int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id)
 411 {
 412         u8 *buf;
 413
 414         if ((offset + 2) >= MAX_CFG_FRAME_SIZE)
 415                 return 0;
 416
 417         buf = &frame[offset];
 418
 419         buf[0] = (u8)id;
 420         buf[1] = (u8)(id >> 8);
 421
 422         return 2;
 423 }
 424
 425 int wilc_wlan_cfg_get_wid_value(u16 wid, u8 *buffer, u32 buffer_size)
 426 {
 427         u32 type = (wid >> 12) & 0xf;
 428         int i, ret = 0;
 429
 430         if (wid == WID_STATUS) {
 431                 *((u32 *)buffer) = g_mac.mac_status;
 432                 return 4;
 433         }
 434
 435         i = 0;
 436         if (type == CFG_BYTE_CMD) {
 437                 do {
 438                         if (g_cfg_byte[i].id == WID_NIL)
 439                                 break;
 440
 441                         if (g_cfg_byte[i].id == wid) {
 442                                 memcpy(buffer,  &g_cfg_byte[i].val, 1);
 443                                 ret = 1;
 444                                 break;
 445                         }
 446                         i++;
 447                 } while (1);
 448         } else if (type == CFG_HWORD_CMD) {
 449                 do {
 450                         if (g_cfg_hword[i].id == WID_NIL)
 451                                 break;
 452
 453                         if (g_cfg_hword[i].id == wid) {
 454                                 memcpy(buffer,  &g_cfg_hword[i].val, 2);
 455                                 ret = 2;
 456                                 break;
 457                         }
 458                         i++;
 459                 } while (1);
 460         } else if (type == CFG_WORD_CMD) {
 461                 do {
 462                         if (g_cfg_word[i].id == WID_NIL)
 463                                 break;
 464
 465                         if (g_cfg_word[i].id == wid) {
 466                                 memcpy(buffer,  &g_cfg_word[i].val, 4);
 467                                 ret = 4;
 468                                 break;
 469                         }
 470                         i++;
 471                 } while (1);
 472         } else if (type == CFG_STR_CMD) {
 473                 do {
 474                         if (g_cfg_str[i].id == WID_NIL)
 475                                 break;
 476
 477                         if (g_cfg_str[i].id == wid) {
 478                                 u32 size =  g_cfg_str[i].str[0];
 479
 480                                 if (buffer_size >= size) {
 481                                         if (g_cfg_str[i].id == WID_SITE_SURVEY_RESULTS) {
 482                                                 static int toggle;
 483
 484                                                 i += toggle;
 485                                                 toggle ^= 1;
 486
 487                                         }
 488                                         memcpy(buffer,  &g_cfg_str[i].str[1], size);
 489                                         ret = size;
 490                                 }
 491                                 break;
 492                         }
 493                         i++;
 494                 } while (1);
 495         }
 496
 497         return ret;
 498 }
 499
 500 int wilc_wlan_cfg_indicate_rx(struct wilc *wilc, u8 *frame, int size,
 501                               struct wilc_cfg_rsp *rsp)
 502 {
 503         int ret = 1;
 504         u8 msg_type;
 505         u8 msg_id;
 506
 507         msg_type = frame[0];
 508         msg_id = frame[1];      /* seq no */
 509         frame += 4;
 510         size -= 4;
 511
 512         /**
 513          *      The  valid types of response messages are 'R' (Response), 'I' (Information), and 'N' (Network Information)
 514          **/
 515
 516         switch (msg_type) {
 517         case 'R':
 518                 wilc_wlan_parse_response_frame(frame, size);
 519                 rsp->type = WILC_CFG_RSP;
 520                 rsp->seq_no = msg_id;
 521                 break;
 522
 523         case 'I':
 524                 rsp->type = wilc_wlan_parse_info_frame(frame, size);
 525                 rsp->seq_no = msg_id;
 526                 /*call host interface info parse as well*/
 527                 wilc_gnrl_async_info_received(wilc, frame - 4, size + 4);
 528                 break;
 529
 530         case 'N':
 531                 wilc_network_info_received(wilc, frame - 4, size + 4);
 532                 rsp->type = 0;
 533                 break;
 534
 535         case 'S':
 536                 wilc_scan_complete_received(wilc, frame - 4, size + 4);
 537                 break;
 538
 539         default:
 540                 rsp->type = 0;
 541                 rsp->seq_no = msg_id;
 542                 ret = 0;
 543                 break;
 544         }
 545
 546         return ret;
 547 }
 548
 549 int wilc_wlan_cfg_init(void)
 550 {
 551         memset((void *)&g_mac, 0, sizeof(struct wilc_mac_cfg));
 552         return 1;
 553 }