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
 274         while (size > 0) {
 275                 i = 0;
 276                 wid = info[0] | (info[1] << 8);
 277                 wid = cpu_to_le32(wid);
 278
 279                 switch ((wid >> 12) & 0x7) {
 280                 case WID_CHAR:
 281                         do {
 282                                 if (g_cfg_byte[i].id == WID_NIL)
 283                                         break;
 284
 285                                 if (g_cfg_byte[i].id == wid) {
 286                                         g_cfg_byte[i].val = info[3];
 287                                         break;
 288                                 }
 289                                 i++;
 290                         } while (1);
 291                         len = 2;
 292                         break;
 293
 294                 case WID_SHORT:
 295                         do {
 296                                 if (g_cfg_hword[i].id == WID_NIL)
 297                                         break;
 298
 299                                 if (g_cfg_hword[i].id == wid) {
 300                                         g_cfg_hword[i].val = cpu_to_le16(info[3] | (info[4] << 8));
 301                                         break;
 302                                 }
 303                                 i++;
 304                         } while (1);
 305                         len = 3;
 306                         break;
 307
 308                 case WID_INT:
 309                         do {
 310                                 if (g_cfg_word[i].id == WID_NIL)
 311                                         break;
 312
 313                                 if (g_cfg_word[i].id == wid) {
 314                                         g_cfg_word[i].val = cpu_to_le32(info[3] | (info[4] << 8) | (info[5] << 16) | (info[6] << 24));
 315                                         break;
 316                                 }
 317                                 i++;
 318                         } while (1);
 319                         len = 5;
 320                         break;
 321
 322                 case WID_STR:
 323                         do {
 324                                 if (g_cfg_str[i].id == WID_NIL)
 325                                         break;
 326
 327                                 if (g_cfg_str[i].id == wid) {
 328                                         if (wid == WID_SITE_SURVEY_RESULTS) {
 329                                                 static int toggle;
 330
 331                                                 i += toggle;
 332                                                 toggle ^= 1;
 333                                         }
 334                                         memcpy(g_cfg_str[i].str, &info[2], (info[2] + 1));
 335                                         break;
 336                                 }
 337                                 i++;
 338                         } while (1);
 339                         len = 1 + info[2];
 340                         break;
 341
 342                 default:
 343                         break;
 344                 }
 345                 size -= (2 + len);
 346                 info += (2 + len);
 347         }
 348 }
 349
 350 static int wilc_wlan_parse_info_frame(u8 *info, int size)
 351 {
 352         wilc_mac_cfg_t *pd = &g_mac;
 353         u32 wid, len;
 354         int type = WILC_CFG_RSP_STATUS;
 355
 356         wid = info[0] | (info[1] << 8);
 357
 358         len = info[2];
 359
 360         if ((len == 1) && (wid == WID_STATUS)) {
 361                 pd->mac_status = info[3];
 362                 type = WILC_CFG_RSP_STATUS;
 363         }
 364
 365         return type;
 366 }
 367
 368 /********************************************
 369  *
 370  *      Configuration Exported Functions
 371  *
 372  ********************************************/
 373
 374 int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size)
 375 {
 376         u8 type = (id >> 12) & 0xf;
 377         int ret = 0;
 378
 379         if (type == 0) {                                        /* byte command */
 380                 if (size >= 1)
 381                         ret = wilc_wlan_cfg_set_byte(frame, offset, id, *buf);
 382         } else if (type == 1) {                 /* half word command */
 383                 if (size >= 2)
 384                         ret = wilc_wlan_cfg_set_hword(frame, offset, id, *((u16 *)buf));
 385         } else if (type == 2) {                 /* word command */
 386                 if (size >= 4)
 387                         ret = wilc_wlan_cfg_set_word(frame, offset, id, *((u32 *)buf));
 388         } else if (type == 3) {                 /* string command */
 389                 ret = wilc_wlan_cfg_set_str(frame, offset, id, buf, size);
 390         } else if (type == 4) {                 /* binary command */
 391                 ret = wilc_wlan_cfg_set_bin(frame, offset, id, buf, size);
 392         } else {
 393                 g_mac.dPrint(N_ERR, "illegal id\n");
 394         }
 395
 396         return ret;
 397 }
 398
 399 int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id)
 400 {
 401         u8 *buf;
 402
 403         if ((offset + 2) >= MAX_CFG_FRAME_SIZE)
 404                 return 0;
 405
 406         buf = &frame[offset];
 407
 408         buf[0] = (u8)id;
 409         buf[1] = (u8)(id >> 8);
 410
 411         return 2;
 412 }
 413
 414 int wilc_wlan_cfg_get_wid_value(u16 wid, u8 *buffer, u32 buffer_size)
 415 {
 416         u32 type = (wid >> 12) & 0xf;
 417         int i, ret = 0;
 418
 419         if (wid == WID_STATUS) {
 420                 *((u32 *)buffer) = g_mac.mac_status;
 421                 return 4;
 422         }
 423
 424         i = 0;
 425         if (type == 0) {                                        /* byte command */
 426                 do {
 427                         if (g_cfg_byte[i].id == WID_NIL)
 428                                 break;
 429
 430                         if (g_cfg_byte[i].id == wid) {
 431                                 memcpy(buffer,  &g_cfg_byte[i].val, 1);
 432                                 ret = 1;
 433                                 break;
 434                         }
 435                         i++;
 436                 } while (1);
 437         } else if (type == 1) {                 /* half word command */
 438                 do {
 439                         if (g_cfg_hword[i].id == WID_NIL)
 440                                 break;
 441
 442                         if (g_cfg_hword[i].id == wid) {
 443                                 memcpy(buffer,  &g_cfg_hword[i].val, 2);
 444                                 ret = 2;
 445                                 break;
 446                         }
 447                         i++;
 448                 } while (1);
 449         } else if (type == 2) {                 /* word command */
 450                 do {
 451                         if (g_cfg_word[i].id == WID_NIL)
 452                                 break;
 453
 454                         if (g_cfg_word[i].id == wid) {
 455                                 memcpy(buffer,  &g_cfg_word[i].val, 4);
 456                                 ret = 4;
 457                                 break;
 458                         }
 459                         i++;
 460                 } while (1);
 461         } else if (type == 3) {                 /* string command */
 462                 do {
 463                         if (g_cfg_str[i].id == WID_NIL)
 464                                 break;
 465
 466                         if (g_cfg_str[i].id == wid) {
 467                                 u32 size =  g_cfg_str[i].str[0];
 468
 469                                 if (buffer_size >= size) {
 470                                         if (g_cfg_str[i].id == WID_SITE_SURVEY_RESULTS) {
 471                                                 static int toggle;
 472
 473                                                 i += toggle;
 474                                                 toggle ^= 1;
 475
 476                                         }
 477                                         memcpy(buffer,  &g_cfg_str[i].str[1], size);
 478                                         ret = size;
 479                                 }
 480                                 break;
 481                         }
 482                         i++;
 483                 } while (1);
 484         } else {
 485                 g_mac.dPrint(N_ERR, "[CFG]: illegal type (%08x)\n", wid);
 486         }
 487
 488         return ret;
 489 }
 490
 491 int wilc_wlan_cfg_indicate_rx(struct wilc *wilc, u8 *frame, int size,
 492                               struct wilc_cfg_rsp *rsp)
 493 {
 494         int ret = 1;
 495         u8 msg_type;
 496         u8 msg_id;
 497
 498         msg_type = frame[0];
 499         msg_id = frame[1];      /* seq no */
 500         frame += 4;
 501         size -= 4;
 502
 503         /**
 504          *      The  valid types of response messages are 'R' (Response), 'I' (Information), and 'N' (Network Information)
 505          **/
 506
 507         switch (msg_type) {
 508         case 'R':
 509                 wilc_wlan_parse_response_frame(frame, size);
 510                 rsp->type = WILC_CFG_RSP;
 511                 rsp->seq_no = msg_id;
 512                 break;
 513
 514         case 'I':
 515                 rsp->type = wilc_wlan_parse_info_frame(frame, size);
 516                 rsp->seq_no = msg_id;
 517                 /*call host interface info parse as well*/
 518                 wilc_gnrl_async_info_received(wilc, frame - 4, size + 4);
 519                 break;
 520
 521         case 'N':
 522                 wilc_network_info_received(wilc, frame - 4, size + 4);
 523                 rsp->type = 0;
 524                 break;
 525
 526         case 'S':
 527                 wilc_scan_complete_received(wilc, frame - 4, size + 4);
 528                 break;
 529
 530         default:
 531                 rsp->type = 0;
 532                 rsp->seq_no = msg_id;
 533                 ret = 0;
 534                 break;
 535         }
 536
 537         return ret;
 538 }
 539
 540 int wilc_wlan_cfg_init(wilc_debug_func func)
 541 {
 542         memset((void *)&g_mac, 0, sizeof(wilc_mac_cfg_t));
 543         g_mac.dPrint = func;
 544         return 1;
 545 }