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