1 // SPDX-License-Identifier: GPL-2.0
2 /* ////////////////////////////////////////////////////////////////////////// */
3 /* */
4 /* Copyright (c) Atmel Corporation. All rights reserved. */
5 /* */
6 /* Module Name: wilc_wlan_cfg.c */
7 /* */
8 /* */
9 /* ///////////////////////////////////////////////////////////////////////// */
10
11 #include <linux/string.h>
12 #include "wilc_wlan_if.h"
13 #include "wilc_wlan.h"
14 #include "wilc_wlan_cfg.h"
15 #include "coreconfigurator.h"
16
17 /********************************************
18 *
19 * Global Data
20 *
21 ********************************************/
22 enum cfg_cmd_type {
23 CFG_BYTE_CMD = 0,
24 CFG_HWORD_CMD = 1,
25 CFG_WORD_CMD = 2,
26 CFG_STR_CMD = 3,
27 CFG_BIN_CMD = 4
28 };
29
30 struct wilc_mac_cfg {
31 int mac_status;
32 u8 mac_address[7];
33 u8 ip_address[5];
34 u8 bssid[7];
35 u8 ssid[34];
36 u8 firmware_version[129];
37 u8 supp_rate[24];
38 u8 wep_key[28];
39 u8 i_psk[66];
40 u8 hw_product_version[33];
41 u8 phyversion[17];
42 u8 supp_username[21];
43 u8 supp_password[64];
44 u8 assoc_req[256];
45 u8 assoc_rsp[256];
46 u8 firmware_info[8];
47 u8 scan_result[256];
48 u8 scan_result1[256];
49 };
50
51 static struct wilc_mac_cfg g_mac;
52
53 static struct wilc_cfg_byte g_cfg_byte[] = {
54 {WID_BSS_TYPE, 0},
55 {WID_CURRENT_TX_RATE, 0},
56 {WID_CURRENT_CHANNEL, 0},
57 {WID_PREAMBLE, 0},
58 {WID_11G_OPERATING_MODE, 0},
59 {WID_STATUS, 0},
60 {WID_SCAN_TYPE, 0},
61 {WID_KEY_ID, 0},
62 {WID_QOS_ENABLE, 0},
63 {WID_POWER_MANAGEMENT, 0},
64 {WID_11I_MODE, 0},
65 {WID_AUTH_TYPE, 0},
66 {WID_SITE_SURVEY, 0},
67 {WID_LISTEN_INTERVAL, 0},
68 {WID_DTIM_PERIOD, 0},
69 {WID_ACK_POLICY, 0},
70 {WID_BCAST_SSID, 0},
71 {WID_REKEY_POLICY, 0},
72 {WID_SHORT_SLOT_ALLOWED, 0},
73 {WID_START_SCAN_REQ, 0},
74 {WID_RSSI, 0},
75 {WID_LINKSPEED, 0},
76 {WID_AUTO_RX_SENSITIVITY, 0},
77 {WID_DATAFLOW_CONTROL, 0},
78 {WID_SCAN_FILTER, 0},
79 {WID_11N_PROT_MECH, 0},
80 {WID_11N_ERP_PROT_TYPE, 0},
81 {WID_11N_ENABLE, 0},
82 {WID_11N_OPERATING_MODE, 0},
83 {WID_11N_OBSS_NONHT_DETECTION, 0},
84 {WID_11N_HT_PROT_TYPE, 0},
85 {WID_11N_RIFS_PROT_ENABLE, 0},
86 {WID_11N_SMPS_MODE, 0},
87 {WID_11N_CURRENT_TX_MCS, 0},
88 {WID_11N_SHORT_GI_ENABLE, 0},
89 {WID_RIFS_MODE, 0},
90 {WID_TX_ABORT_CONFIG, 0},
91 {WID_11N_IMMEDIATE_BA_ENABLED, 0},
92 {WID_11N_TXOP_PROT_DISABLE, 0},
93 {WID_NIL, 0}
94 };
95
96 static struct wilc_cfg_hword g_cfg_hword[] = {
97 {WID_LINK_LOSS_THRESHOLD, 0},
98 {WID_RTS_THRESHOLD, 0},
99 {WID_FRAG_THRESHOLD, 0},
100 {WID_SHORT_RETRY_LIMIT, 0},
101 {WID_LONG_RETRY_LIMIT, 0},
102 {WID_BEACON_INTERVAL, 0},
103 {WID_RX_SENSE, 0},
104 {WID_ACTIVE_SCAN_TIME, 0},
105 {WID_PASSIVE_SCAN_TIME, 0},
106 {WID_SITE_SURVEY_SCAN_TIME, 0},
107 {WID_JOIN_START_TIMEOUT, 0},
108 {WID_AUTH_TIMEOUT, 0},
109 {WID_ASOC_TIMEOUT, 0},
110 {WID_11I_PROTOCOL_TIMEOUT, 0},
111 {WID_EAPOL_RESPONSE_TIMEOUT, 0},
112 {WID_11N_SIG_QUAL_VAL, 0},
113 {WID_CCA_THRESHOLD, 0},
114 {WID_NIL, 0}
115 };
116
117 static struct wilc_cfg_word g_cfg_word[] = {
118 {WID_FAILED_COUNT, 0},
119 {WID_RETRY_COUNT, 0},
120 {WID_MULTIPLE_RETRY_COUNT, 0},
121 {WID_FRAME_DUPLICATE_COUNT, 0},
122 {WID_ACK_FAILURE_COUNT, 0},
123 {WID_RECEIVED_FRAGMENT_COUNT, 0},
124 {WID_MCAST_RECEIVED_FRAME_COUNT, 0},
125 {WID_FCS_ERROR_COUNT, 0},
126 {WID_SUCCESS_FRAME_COUNT, 0},
127 {WID_TX_FRAGMENT_COUNT, 0},
128 {WID_TX_MULTICAST_FRAME_COUNT, 0},
129 {WID_RTS_SUCCESS_COUNT, 0},
130 {WID_RTS_FAILURE_COUNT, 0},
131 {WID_WEP_UNDECRYPTABLE_COUNT, 0},
132 {WID_REKEY_PERIOD, 0},
133 {WID_REKEY_PACKET_COUNT, 0},
134 {WID_HW_RX_COUNT, 0},
135 {WID_GET_INACTIVE_TIME, 0},
136 {WID_NIL, 0}
137
138 };
139
140 static struct wilc_cfg_str g_cfg_str[] = {
141 {WID_SSID, g_mac.ssid}, /* 33 + 1 bytes */
142 {WID_FIRMWARE_VERSION, g_mac.firmware_version},
143 {WID_OPERATIONAL_RATE_SET, g_mac.supp_rate},
144 {WID_BSSID, g_mac.bssid}, /* 6 bytes */
145 {WID_WEP_KEY_VALUE, g_mac.wep_key}, /* 27 bytes */
146 {WID_11I_PSK, g_mac.i_psk}, /* 65 bytes */
147 {WID_HARDWARE_VERSION, g_mac.hw_product_version},
148 {WID_MAC_ADDR, g_mac.mac_address},
149 {WID_PHY_VERSION, g_mac.phyversion},
150 {WID_SUPP_USERNAME, g_mac.supp_username},
151 {WID_SUPP_PASSWORD, g_mac.supp_password},
152 {WID_SITE_SURVEY_RESULTS, g_mac.scan_result},
153 {WID_SITE_SURVEY_RESULTS, g_mac.scan_result1},
154 {WID_ASSOC_REQ_INFO, g_mac.assoc_req},
155 {WID_ASSOC_RES_INFO, g_mac.assoc_rsp},
156 {WID_FIRMWARE_INFO, g_mac.firmware_version},
157 {WID_IP_ADDRESS, g_mac.ip_address},
158 {WID_NIL, NULL}
159 };
160
161 /********************************************
162 *
163 * Configuration Functions
164 *
165 ********************************************/
166
wilc_wlan_cfg_set_byte(u8 * frame,u32 offset,u16 id,u8 val8)167 static int wilc_wlan_cfg_set_byte(u8 *frame, u32 offset, u16 id, u8 val8)
168 {
169 u8 *buf;
170
171 if ((offset + 4) >= MAX_CFG_FRAME_SIZE)
172 return 0;
173
174 buf = &frame[offset];
175
176 buf[0] = (u8)id;
177 buf[1] = (u8)(id >> 8);
178 buf[2] = 1;
179 buf[3] = 0;
180 buf[4] = val8;
181 return 5;
182 }
183
wilc_wlan_cfg_set_hword(u8 * frame,u32 offset,u16 id,u16 val16)184 static int wilc_wlan_cfg_set_hword(u8 *frame, u32 offset, u16 id, u16 val16)
185 {
186 u8 *buf;
187
188 if ((offset + 5) >= MAX_CFG_FRAME_SIZE)
189 return 0;
190
191 buf = &frame[offset];
192
193 buf[0] = (u8)id;
194 buf[1] = (u8)(id >> 8);
195 buf[2] = 2;
196 buf[3] = 0;
197 buf[4] = (u8)val16;
198 buf[5] = (u8)(val16 >> 8);
199
200 return 6;
201 }
202
wilc_wlan_cfg_set_word(u8 * frame,u32 offset,u16 id,u32 val32)203 static int wilc_wlan_cfg_set_word(u8 *frame, u32 offset, u16 id, u32 val32)
204 {
205 u8 *buf;
206
207 if ((offset + 7) >= MAX_CFG_FRAME_SIZE)
208 return 0;
209
210 buf = &frame[offset];
211
212 buf[0] = (u8)id;
213 buf[1] = (u8)(id >> 8);
214 buf[2] = 4;
215 buf[3] = 0;
216 buf[4] = (u8)val32;
217 buf[5] = (u8)(val32 >> 8);
218 buf[6] = (u8)(val32 >> 16);
219 buf[7] = (u8)(val32 >> 24);
220
221 return 8;
222 }
223
wilc_wlan_cfg_set_str(u8 * frame,u32 offset,u16 id,u8 * str,u32 size)224 static int wilc_wlan_cfg_set_str(u8 *frame, u32 offset, u16 id, u8 *str, u32 size)
225 {
226 u8 *buf;
227
228 if ((offset + size + 4) >= MAX_CFG_FRAME_SIZE)
229 return 0;
230
231 buf = &frame[offset];
232
233 buf[0] = (u8)id;
234 buf[1] = (u8)(id >> 8);
235 buf[2] = (u8)size;
236 buf[3] = (u8)(size >> 8);
237
238 if ((str) && (size != 0))
239 memcpy(&buf[4], str, size);
240
241 return (size + 4);
242 }
243
wilc_wlan_cfg_set_bin(u8 * frame,u32 offset,u16 id,u8 * b,u32 size)244 static int wilc_wlan_cfg_set_bin(u8 *frame, u32 offset, u16 id, u8 *b, u32 size)
245 {
246 u8 *buf;
247 u32 i;
248 u8 checksum = 0;
249
250 if ((offset + size + 5) >= MAX_CFG_FRAME_SIZE)
251 return 0;
252
253 buf = &frame[offset];
254 buf[0] = (u8)id;
255 buf[1] = (u8)(id >> 8);
256 buf[2] = (u8)size;
257 buf[3] = (u8)(size >> 8);
258
259 if ((b) && (size != 0)) {
260 memcpy(&buf[4], b, size);
261 for (i = 0; i < size; i++)
262 checksum += buf[i + 4];
263 }
264
265 buf[size + 4] = checksum;
266
267 return (size + 5);
268 }
269
270 /********************************************
271 *
272 * Configuration Response Functions
273 *
274 ********************************************/
275
wilc_wlan_parse_response_frame(u8 * info,int size)276 static void wilc_wlan_parse_response_frame(u8 *info, int size)
277 {
278 u32 wid, len = 0, i = 0;
279
280 while (size > 0) {
281 i = 0;
282 wid = info[0] | (info[1] << 8);
283 wid = cpu_to_le32(wid);
284
285 switch ((wid >> 12) & 0x7) {
286 case WID_CHAR:
287 do {
288 if (g_cfg_byte[i].id == WID_NIL)
289 break;
290
291 if (g_cfg_byte[i].id == wid) {
292 g_cfg_byte[i].val = info[4];
293 break;
294 }
295 i++;
296 } while (1);
297 len = 3;
298 break;
299
300 case WID_SHORT:
301 do {
302 if (g_cfg_hword[i].id == WID_NIL)
303 break;
304
305 if (g_cfg_hword[i].id == wid) {
306 g_cfg_hword[i].val =
307 cpu_to_le16(info[4] |
308 (info[5] << 8));
309 break;
310 }
311 i++;
312 } while (1);
313 len = 4;
314 break;
315
316 case WID_INT:
317 do {
318 if (g_cfg_word[i].id == WID_NIL)
319 break;
320
321 if (g_cfg_word[i].id == wid) {
322 g_cfg_word[i].val =
323 cpu_to_le32(info[4] |
324 (info[5] << 8) |
325 (info[6] << 16) |
326 (info[7] << 24));
327 break;
328 }
329 i++;
330 } while (1);
331 len = 6;
332 break;
333
334 case WID_STR:
335 do {
336 if (g_cfg_str[i].id == WID_NIL)
337 break;
338
339 if (g_cfg_str[i].id == wid) {
340 if (wid == WID_SITE_SURVEY_RESULTS) {
341 static int toggle;
342
343 i += toggle;
344 toggle ^= 1;
345 }
346 memcpy(g_cfg_str[i].str, &info[2],
347 (info[2] + 2));
348 break;
349 }
350 i++;
351 } while (1);
352 len = 2 + info[2];
353 break;
354
355 default:
356 break;
357 }
358 size -= (2 + len);
359 info += (2 + len);
360 }
361 }
362
wilc_wlan_parse_info_frame(u8 * info,int size)363 static int wilc_wlan_parse_info_frame(u8 *info, int size)
364 {
365 struct wilc_mac_cfg *pd = &g_mac;
366 u32 wid, len;
367 int type = WILC_CFG_RSP_STATUS;
368
369 wid = info[0] | (info[1] << 8);
370
371 len = info[2];
372
373 if ((len == 1) && (wid == WID_STATUS)) {
374 pd->mac_status = info[3];
375 type = WILC_CFG_RSP_STATUS;
376 }
377
378 return type;
379 }
380
381 /********************************************
382 *
383 * Configuration Exported Functions
384 *
385 ********************************************/
386
wilc_wlan_cfg_set_wid(u8 * frame,u32 offset,u16 id,u8 * buf,int size)387 int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size)
388 {
389 u8 type = (id >> 12) & 0xf;
390 int ret = 0;
391
392 switch (type) {
393 case CFG_BYTE_CMD:
394 if (size >= 1)
395 ret = wilc_wlan_cfg_set_byte(frame, offset, id, *buf);
396 break;
397
398 case CFG_HWORD_CMD:
399 if (size >= 2)
400 ret = wilc_wlan_cfg_set_hword(frame, offset, id,
401 *((u16 *)buf));
402 break;
403
404 case CFG_WORD_CMD:
405 if (size >= 4)
406 ret = wilc_wlan_cfg_set_word(frame, offset, id,
407 *((u32 *)buf));
408 break;
409
410 case CFG_STR_CMD:
411 ret = wilc_wlan_cfg_set_str(frame, offset, id, buf, size);
412 break;
413
414 case CFG_BIN_CMD:
415 ret = wilc_wlan_cfg_set_bin(frame, offset, id, buf, size);
416 break;
417 }
418
419 return ret;
420 }
421
wilc_wlan_cfg_get_wid(u8 * frame,u32 offset,u16 id)422 int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id)
423 {
424 u8 *buf;
425
426 if ((offset + 2) >= MAX_CFG_FRAME_SIZE)
427 return 0;
428
429 buf = &frame[offset];
430
431 buf[0] = (u8)id;
432 buf[1] = (u8)(id >> 8);
433
434 return 2;
435 }
436
wilc_wlan_cfg_get_wid_value(u16 wid,u8 * buffer,u32 buffer_size)437 int wilc_wlan_cfg_get_wid_value(u16 wid, u8 *buffer, u32 buffer_size)
438 {
439 u32 type = (wid >> 12) & 0xf;
440 int i, ret = 0;
441
442 if (wid == WID_STATUS) {
443 *((u32 *)buffer) = g_mac.mac_status;
444 return 4;
445 }
446
447 i = 0;
448 if (type == CFG_BYTE_CMD) {
449 do {
450 if (g_cfg_byte[i].id == WID_NIL)
451 break;
452
453 if (g_cfg_byte[i].id == wid) {
454 memcpy(buffer, &g_cfg_byte[i].val, 1);
455 ret = 1;
456 break;
457 }
458 i++;
459 } while (1);
460 } else if (type == CFG_HWORD_CMD) {
461 do {
462 if (g_cfg_hword[i].id == WID_NIL)
463 break;
464
465 if (g_cfg_hword[i].id == wid) {
466 memcpy(buffer, &g_cfg_hword[i].val, 2);
467 ret = 2;
468 break;
469 }
470 i++;
471 } while (1);
472 } else if (type == CFG_WORD_CMD) {
473 do {
474 if (g_cfg_word[i].id == WID_NIL)
475 break;
476
477 if (g_cfg_word[i].id == wid) {
478 memcpy(buffer, &g_cfg_word[i].val, 4);
479 ret = 4;
480 break;
481 }
482 i++;
483 } while (1);
484 } else if (type == CFG_STR_CMD) {
485 do {
486 if (g_cfg_str[i].id == WID_NIL)
487 break;
488
489 if (g_cfg_str[i].id == wid) {
490 u32 size = g_cfg_str[i].str[0] |
491 (g_cfg_str[i].str[1] << 8);
492
493 if (buffer_size >= size) {
494 if (g_cfg_str[i].id == WID_SITE_SURVEY_RESULTS) {
495 static int toggle;
496
497 i += toggle;
498 toggle ^= 1;
499
500 }
501 memcpy(buffer, &g_cfg_str[i].str[2],
502 size);
503 ret = size;
504 }
505 break;
506 }
507 i++;
508 } while (1);
509 }
510
511 return ret;
512 }
513
wilc_wlan_cfg_indicate_rx(struct wilc * wilc,u8 * frame,int size,struct wilc_cfg_rsp * rsp)514 int wilc_wlan_cfg_indicate_rx(struct wilc *wilc, u8 *frame, int size,
515 struct wilc_cfg_rsp *rsp)
516 {
517 int ret = 1;
518 u8 msg_type;
519 u8 msg_id;
520
521 msg_type = frame[0];
522 msg_id = frame[1]; /* seq no */
523 frame += 4;
524 size -= 4;
525
526 /**
527 * The valid types of response messages are 'R' (Response), 'I' (Information), and 'N' (Network Information)
528 **/
529
530 switch (msg_type) {
531 case 'R':
532 wilc_wlan_parse_response_frame(frame, size);
533 rsp->type = WILC_CFG_RSP;
534 rsp->seq_no = msg_id;
535 break;
536
537 case 'I':
538 rsp->type = wilc_wlan_parse_info_frame(frame, size);
539 rsp->seq_no = msg_id;
540 /*call host interface info parse as well*/
541 wilc_gnrl_async_info_received(wilc, frame - 4, size + 4);
542 break;
543
544 case 'N':
545 wilc_network_info_received(wilc, frame - 4, size + 4);
546 rsp->type = 0;
547 break;
548
549 case 'S':
550 wilc_scan_complete_received(wilc, frame - 4, size + 4);
551 break;
552
553 default:
554 rsp->type = 0;
555 rsp->seq_no = msg_id;
556 ret = 0;
557 break;
558 }
559
560 return ret;
561 }
562
wilc_wlan_cfg_init(void)563 int wilc_wlan_cfg_init(void)
564 {
565 memset((void *)&g_mac, 0, sizeof(struct wilc_mac_cfg));
566 return 1;
567 }
568