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                 wid = cpu_to_le32(wid);
 279                 PRINT_INFO(GENERIC_DBG, "Processing response for %d seq %d\n", wid, seq++);
 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                                                 PRINT_INFO(GENERIC_DBG, "Site survey results received[%d]\n",
 333                                                            size);
 334
 335                                                 PRINT_INFO(GENERIC_DBG, "Site survey results value[%d]toggle[%d]\n", size, toggle);
 336                                                 i += toggle;
 337                                                 toggle ^= 1;
 338                                         }
 339                                         memcpy(g_cfg_str[i].str, &info[2], (info[2] + 1));
 340                                         break;
 341                                 }
 342                                 i++;
 343                         } while (1);
 344                         len = 1 + info[2];
 345                         break;
 346
 347                 default:
 348                         break;
 349                 }
 350                 size -= (2 + len);
 351                 info += (2 + len);
 352         }
 353 }
 354
 355 static int wilc_wlan_parse_info_frame(u8 *info, int size)
 356 {
 357         wilc_mac_cfg_t *pd = &g_mac;
 358         u32 wid, len;
 359         int type = WILC_CFG_RSP_STATUS;
 360
 361         wid = info[0] | (info[1] << 8);
 362
 363         len = info[2];
 364         PRINT_INFO(GENERIC_DBG, "Status Len = %d Id= %d\n", len, wid);
 365         if ((len == 1) && (wid == WID_STATUS)) {
 366                 pd->mac_status = info[3];
 367                 type = WILC_CFG_RSP_STATUS;
 368         }
 369
 370         return type;
 371 }
 372
 373 /********************************************
 374  *
 375  *      Configuration Exported Functions
 376  *
 377  ********************************************/
 378
 379 int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size)
 380 {
 381         u8 type = (id >> 12) & 0xf;
 382         int ret = 0;
 383
 384         if (type == 0) {                                        /* byte command */
 385                 if (size >= 1)
 386                         ret = wilc_wlan_cfg_set_byte(frame, offset, id, *buf);
 387         } else if (type == 1) {                 /* half word command */
 388                 if (size >= 2)
 389                         ret = wilc_wlan_cfg_set_hword(frame, offset, id, *((u16 *)buf));
 390         } else if (type == 2) {                 /* word command */
 391                 if (size >= 4)
 392                         ret = wilc_wlan_cfg_set_word(frame, offset, id, *((u32 *)buf));
 393         } else if (type == 3) {                 /* string command */
 394                 ret = wilc_wlan_cfg_set_str(frame, offset, id, buf, size);
 395         } else if (type == 4) {                 /* binary command */
 396                 ret = wilc_wlan_cfg_set_bin(frame, offset, id, buf, size);
 397         } else {
 398                 g_mac.dPrint(N_ERR, "illegal id\n");
 399         }
 400
 401         return ret;
 402 }
 403
 404 int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id)
 405 {
 406         u8 *buf;
 407
 408         if ((offset + 2) >= MAX_CFG_FRAME_SIZE)
 409                 return 0;
 410
 411         buf = &frame[offset];
 412
 413         buf[0] = (u8)id;
 414         buf[1] = (u8)(id >> 8);
 415
 416         return 2;
 417 }
 418
 419 int wilc_wlan_cfg_get_wid_value(u16 wid, u8 *buffer, u32 buffer_size)
 420 {
 421         u32 type = (wid >> 12) & 0xf;
 422         int i, ret = 0;
 423
 424         if (wid == WID_STATUS) {
 425                 *((u32 *)buffer) = g_mac.mac_status;
 426                 return 4;
 427         }
 428
 429         i = 0;
 430         if (type == 0) {                                        /* byte command */
 431                 do {
 432                         if (g_cfg_byte[i].id == WID_NIL)
 433                                 break;
 434
 435                         if (g_cfg_byte[i].id == wid) {
 436                                 memcpy(buffer,  &g_cfg_byte[i].val, 1);
 437                                 ret = 1;
 438                                 break;
 439                         }
 440                         i++;
 441                 } while (1);
 442         } else if (type == 1) {                 /* half word command */
 443                 do {
 444                         if (g_cfg_hword[i].id == WID_NIL)
 445                                 break;
 446
 447                         if (g_cfg_hword[i].id == wid) {
 448                                 memcpy(buffer,  &g_cfg_hword[i].val, 2);
 449                                 ret = 2;
 450                                 break;
 451                         }
 452                         i++;
 453                 } while (1);
 454         } else if (type == 2) {                 /* word command */
 455                 do {
 456                         if (g_cfg_word[i].id == WID_NIL)
 457                                 break;
 458
 459                         if (g_cfg_word[i].id == wid) {
 460                                 memcpy(buffer,  &g_cfg_word[i].val, 4);
 461                                 ret = 4;
 462                                 break;
 463                         }
 464                         i++;
 465                 } while (1);
 466         } else if (type == 3) {                 /* string command */
 467                 do {
 468                         if (g_cfg_str[i].id == WID_NIL)
 469                                 break;
 470
 471                         if (g_cfg_str[i].id == wid) {
 472                                 u32 size =  g_cfg_str[i].str[0];
 473
 474                                 if (buffer_size >= size) {
 475                                         if (g_cfg_str[i].id == WID_SITE_SURVEY_RESULTS) {
 476                                                 static int toggle;
 477
 478                                                 PRINT_INFO(GENERIC_DBG, "Site survey results value[%d]\n",
 479                                                            size);
 480                                                 i += toggle;
 481                                                 toggle ^= 1;
 482
 483                                         }
 484                                         memcpy(buffer,  &g_cfg_str[i].str[1], size);
 485                                         ret = size;
 486                                 }
 487                                 break;
 488                         }
 489                         i++;
 490                 } while (1);
 491         } else {
 492                 g_mac.dPrint(N_ERR, "[CFG]: illegal type (%08x)\n", wid);
 493         }
 494
 495         return ret;
 496 }
 497
 498 int wilc_wlan_cfg_indicate_rx(struct wilc *wilc, u8 *frame, int size,
 499                               struct wilc_cfg_rsp *rsp)
 500 {
 501         int ret = 1;
 502         u8 msg_type;
 503         u8 msg_id;
 504
 505         msg_type = frame[0];
 506         msg_id = frame[1];      /* seq no */
 507         frame += 4;
 508         size -= 4;
 509
 510         /**
 511          *      The  valid types of response messages are 'R' (Response), 'I' (Information), and 'N' (Network Information)
 512          **/
 513
 514         switch (msg_type) {
 515         case 'R':
 516                 wilc_wlan_parse_response_frame(frame, size);
 517                 rsp->type = WILC_CFG_RSP;
 518                 rsp->seq_no = msg_id;
 519                 break;
 520
 521         case 'I':
 522                 rsp->type = wilc_wlan_parse_info_frame(frame, size);
 523                 rsp->seq_no = msg_id;
 524                 /*call host interface info parse as well*/
 525                 PRINT_INFO(RX_DBG, "Info message received\n");
 526                 wilc_gnrl_async_info_received(wilc, frame - 4, size + 4);
 527                 break;
 528
 529         case 'N':
 530                 wilc_network_info_received(wilc, frame - 4, size + 4);
 531                 rsp->type = 0;
 532                 break;
 533
 534         case 'S':
 535                 PRINT_INFO(RX_DBG, "Scan Notification Received\n");
 536                 wilc_scan_complete_received(wilc, frame - 4, size + 4);
 537                 break;
 538
 539         default:
 540                 PRINT_INFO(RX_DBG, "Receive unknown message type[%d-%d-%d-%d-%d-%d-%d-%d]\n",
 541                            frame[0], frame[1], frame[2], frame[3], frame[4],
 542                            frame[5], frame[6], frame[7]);
 543                 rsp->type = 0;
 544                 rsp->seq_no = msg_id;
 545                 ret = 0;
 546                 break;
 547         }
 548
 549         return ret;
 550 }
 551
 552 int wilc_wlan_cfg_init(wilc_debug_func func)
 553 {
 554         memset((void *)&g_mac, 0, sizeof(wilc_mac_cfg_t));
 555         g_mac.dPrint = func;
 556         return 1;
 557 }