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2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8 
 kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/dhd_cfg80211.c
....@@ -1,15 +1,16 @@
1
-/* SPDX-License-Identifier: GPL-2.0 */
21 /*
32  * Linux cfg80211 driver - Dongle Host Driver (DHD) related
43  *
5
- * Copyright (C) 1999-2019, Broadcom Corporation
6
- * 
4
+ * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
5
+ *
6
+ * Copyright (C) 1999-2017, Broadcom Corporation
7
+ *
78  *      Unless you and Broadcom execute a separate written software license
89  * agreement governing use of this software, this software is licensed to you
910  * under the terms of the GNU General Public License version 2 (the "GPL"),
1011  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
1112  * following added to such license:
12
- * 
13
+ *
1314  *      As a special exception, the copyright holders of this software give you
1415  * permission to link this software with independent modules, and to copy and
1516  * distribute the resulting executable under terms of your choice, provided that
....@@ -17,7 +18,7 @@
1718  * the license of that module.  An independent module is a module which is not
1819  * derived from this software.  The special exception does not apply to any
1920  * modifications of the software.
20
- * 
21
+ *
2122  *      Notwithstanding the above, under no circumstances may you combine this
2223  * software in any way with any other Broadcom software provided under a license
2324  * other than the GPL, without Broadcom's express prior written consent.
....@@ -25,7 +26,7 @@
2526  *
2627  * <<Broadcom-WL-IPTag/Open:>>
2728  *
28
- * $Id: wl_cfg80211.c,v 1.1.4.1.2.14 2011/02/09 01:40:07 Exp $
29
+ * $Id: dhd_cfg80211.c 696903 2017-04-28 19:48:01Z $
2930  */
3031 
3132 #include <linux/vmalloc.h>
....@@ -39,15 +40,13 @@
3940 #ifdef PKT_FILTER_SUPPORT
4041 #include <dngl_stats.h>
4142 #include <dhd.h>
42
-#endif
43
-
44
-extern struct bcm_cfg80211 *g_bcm_cfg;
43
+#endif // endif
4544 
4645 #ifdef PKT_FILTER_SUPPORT
4746 extern uint dhd_pkt_filter_enable;
4847 extern uint dhd_master_mode;
4948 extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode);
50
-#endif
49
+#endif // endif
5150 
5251 static int dhd_dongle_up = FALSE;
5352 
....@@ -60,6 +59,16 @@
6059 
6160 static s32 wl_dongle_up(struct net_device *ndev);
6261 static s32 wl_dongle_down(struct net_device *ndev);
62
+#ifndef OEM_ANDROID
63
+static s32 wl_dongle_power(struct net_device *ndev, u32 power_mode);
64
+#ifdef BCMSDIO /* glomming is a sdio specific feature */
65
+static s32 wl_dongle_glom(struct net_device *ndev, s32 glom, u32 dongle_align);
66
+#endif // endif
67
+static s32 wl_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time, s32 scan_unassoc_time);
68
+static s32 wl_dongle_offload(struct net_device *ndev, s32 arpoe, s32 arp_ol);
69
+static s32 wl_pattern_atoh(s8 *src, s8 *dst);
70
+static s32 wl_dongle_filter(struct net_device *ndev, u32 filter_mode);
71
+#endif /* OEM_ANDROID */
6372 
6473 /**
6574  * Function implementations
....@@ -81,17 +90,19 @@
8190 {
8291 	struct net_device *ndev;
8392 	s32 err = 0;
93
+	dhd_pub_t *dhd =  (dhd_pub_t *)(cfg->pub);
8494 
8595 	WL_TRACE(("In\n"));
86
-	if (!dhd_dongle_up) {
87
-		WL_ERR(("Dongle is already down\n"));
88
-		return err;
96
+	if ((!dhd_dongle_up) || (!dhd->up)) {
97
+		WL_INFORM_MEM(("Dongle is already down\n"));
98
+		err = 0;
99
+		goto done;
89100 	}
90
-
91101 	ndev = bcmcfg_to_prmry_ndev(cfg);
92102 	wl_dongle_down(ndev);
103
+done:
93104 	dhd_dongle_up = FALSE;
94
-	return 0;
105
+	return err;
95106 }
96107 
97108 s32 dhd_cfg80211_set_p2p_info(struct bcm_cfg80211 *cfg, int val)
....@@ -127,27 +138,55 @@
127138 	return 0;
128139 }
129140 
130
-struct net_device* wl_cfg80211_allocate_if(struct bcm_cfg80211 *cfg, int ifidx, char *name,
131
-	uint8 *mac, uint8 bssidx, char *dngl_name)
141
+#ifdef WL_STATIC_IF
142
+int32
143
+wl_cfg80211_update_iflist_info(struct bcm_cfg80211 *cfg, struct net_device *ndev,
144
+	int ifidx, uint8 *addr, int bssidx, char *name, int if_state)
145
+{
146
+	return dhd_update_iflist_info(cfg->pub, ndev, ifidx, addr, bssidx, name, if_state);
147
+}
148
+#endif /* WL_STATIC_IF */
149
+
150
+struct net_device* wl_cfg80211_allocate_if(struct bcm_cfg80211 *cfg, int ifidx, const char *name,
151
+	uint8 *mac, uint8 bssidx, const char *dngl_name)
132152 {
133153 	return dhd_allocate_if(cfg->pub, ifidx, name, mac, bssidx, FALSE, dngl_name);
134154 }
135155 
136
-int wl_cfg80211_register_if(struct bcm_cfg80211 *cfg, int ifidx, struct net_device* ndev)
156
+int wl_cfg80211_register_if(struct bcm_cfg80211 *cfg,
157
+	int ifidx, struct net_device* ndev, bool rtnl_lock_reqd)
137158 {
138
-	return dhd_register_if(cfg->pub, ifidx, FALSE);
159
+	return dhd_register_if(cfg->pub, ifidx, rtnl_lock_reqd);
139160 }
140161 
141
-int wl_cfg80211_remove_if(struct bcm_cfg80211 *cfg, int ifidx, struct net_device* ndev)
162
+int wl_cfg80211_remove_if(struct bcm_cfg80211 *cfg,
163
+	int ifidx, struct net_device* ndev, bool rtnl_lock_reqd)
142164 {
143
-	return dhd_remove_if(cfg->pub, ifidx, FALSE);
165
+#ifdef DHD_PCIE_RUNTIMEPM
166
+	dhdpcie_runtime_bus_wake(cfg->pub, CAN_SLEEP(), __builtin_return_address(0));
167
+#endif /* DHD_PCIE_RUNTIMEPM */
168
+	return dhd_remove_if(cfg->pub, ifidx, rtnl_lock_reqd);
169
+}
170
+
171
+void wl_cfg80211_cleanup_if(struct net_device *net)
172
+{
173
+	struct bcm_cfg80211 *cfg = wl_get_cfg(net);
174
+#ifdef DHD_PCIE_RUNTIMEPM
175
+	dhdpcie_runtime_bus_wake(cfg->pub, CAN_SLEEP(), __builtin_return_address(0));
176
+#else
177
+	BCM_REFERENCE(cfg);
178
+#endif /* DHD_PCIE_RUNTIMEPM */
179
+	dhd_cleanup_if(net);
144180 }
145181 
146182 struct net_device * dhd_cfg80211_netdev_free(struct net_device *ndev)
147183 {
184
+	struct bcm_cfg80211 *cfg;
185
+
148186 	if (ndev) {
187
+		cfg = wl_get_cfg(ndev);
149188 		if (ndev->ieee80211_ptr) {
150
-			kfree(ndev->ieee80211_ptr);
189
+			MFREE(cfg->osh, ndev->ieee80211_ptr, sizeof(struct wireless_dev));
151190 			ndev->ieee80211_ptr = NULL;
152191 		}
153192 		free_netdev(ndev);
....@@ -161,7 +200,7 @@
161200 {
162201 #ifdef WL_CFG80211
163202 	ndev = dhd_cfg80211_netdev_free(ndev);
164
-#endif
203
+#endif // endif
165204 	if (ndev)
166205 		free_netdev(ndev);
167206 }
....@@ -170,9 +209,9 @@
170209 wl_dongle_up(struct net_device *ndev)
171210 {
172211 	s32 err = 0;
173
-	u32 up = 0;
212
+	u32 local_up = 0;
174213 
175
-	err = wldev_ioctl(ndev, WLC_UP, &up, sizeof(up), true);
214
+	err = wldev_ioctl_set(ndev, WLC_UP, &local_up, sizeof(local_up));
176215 	if (unlikely(err)) {
177216 		WL_ERR(("WLC_UP error (%d)\n", err));
178217 	}
....@@ -183,23 +222,269 @@
183222 wl_dongle_down(struct net_device *ndev)
184223 {
185224 	s32 err = 0;
186
-	u32 down = 0;
225
+	u32 local_down = 0;
187226 
188
-	err = wldev_ioctl(ndev, WLC_DOWN, &down, sizeof(down), true);
227
+	err = wldev_ioctl_set(ndev, WLC_DOWN, &local_down, sizeof(local_down));
189228 	if (unlikely(err)) {
190229 		WL_ERR(("WLC_DOWN error (%d)\n", err));
191230 	}
192231 	return err;
193232 }
194233 
234
+#ifndef OEM_ANDROID
235
+static s32 wl_dongle_power(struct net_device *ndev, u32 power_mode)
236
+{
237
+	s32 err = 0;
238
+
239
+	WL_TRACE(("In\n"));
240
+	err = wldev_ioctl_set(ndev, WLC_SET_PM, &power_mode, sizeof(power_mode));
241
+	if (unlikely(err)) {
242
+		WL_ERR(("WLC_SET_PM error (%d)\n", err));
243
+	}
244
+	return err;
245
+}
246
+
247
+#ifdef BCMSDIO
248
+static s32
249
+wl_dongle_glom(struct net_device *ndev, s32 glom, u32 dongle_align)
250
+{
251
+	s32 err = 0;
252
+
253
+	/* Match Host and Dongle rx alignment */
254
+	err = wldev_iovar_setint(ndev, "bus:txglomalign", dongle_align);
255
+	if (unlikely(err)) {
256
+		WL_ERR(("txglomalign error (%d)\n", err));
257
+		goto dongle_glom_out;
258
+	}
259
+	/* disable glom option per default */
260
+	if (glom != DEFAULT_GLOM_VALUE) {
261
+		err = wldev_iovar_setint(ndev, "bus:txglom", glom);
262
+		if (unlikely(err)) {
263
+			WL_ERR(("txglom error (%d)\n", err));
264
+			goto dongle_glom_out;
265
+		}
266
+	}
267
+dongle_glom_out:
268
+	return err;
269
+}
270
+
271
+#endif /* BCMSDIO */
272
+#endif /* OEM_ANDROID */
273
+
274
+s32
275
+wl_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout)
276
+{
277
+	s32 err = 0;
278
+
279
+	/* Setup timeout if Beacons are lost and roam is off to report link down */
280
+	if (roamvar) {
281
+		err = wldev_iovar_setint(ndev, "bcn_timeout", bcn_timeout);
282
+		if (unlikely(err)) {
283
+			WL_ERR(("bcn_timeout error (%d)\n", err));
284
+			goto dongle_rom_out;
285
+		}
286
+	}
287
+	/* Enable/Disable built-in roaming to allow supplicant to take care of roaming */
288
+	err = wldev_iovar_setint(ndev, "roam_off", roamvar);
289
+	if (unlikely(err)) {
290
+		WL_ERR(("roam_off error (%d)\n", err));
291
+		goto dongle_rom_out;
292
+	}
293
+dongle_rom_out:
294
+	return err;
295
+}
296
+
297
+#ifndef OEM_ANDROID
298
+static s32
299
+wl_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time,
300
+	s32 scan_unassoc_time)
301
+{
302
+	s32 err = 0;
303
+
304
+	err = wldev_ioctl_set(ndev, WLC_SET_SCAN_CHANNEL_TIME, &scan_assoc_time,
305
+		sizeof(scan_assoc_time));
306
+	if (err) {
307
+		if (err == -EOPNOTSUPP) {
308
+			WL_INFORM(("Scan assoc time is not supported\n"));
309
+		} else {
310
+			WL_ERR(("Scan assoc time error (%d)\n", err));
311
+		}
312
+		goto dongle_scantime_out;
313
+	}
314
+	err = wldev_ioctl_set(ndev, WLC_SET_SCAN_UNASSOC_TIME, &scan_unassoc_time,
315
+		sizeof(scan_unassoc_time));
316
+	if (err) {
317
+		if (err == -EOPNOTSUPP) {
318
+			WL_INFORM(("Scan unassoc time is not supported\n"));
319
+		} else {
320
+			WL_ERR(("Scan unassoc time error (%d)\n", err));
321
+		}
322
+		goto dongle_scantime_out;
323
+	}
324
+
325
+dongle_scantime_out:
326
+	return err;
327
+}
328
+
329
+static s32
330
+wl_dongle_offload(struct net_device *ndev, s32 arpoe, s32 arp_ol)
331
+{
332
+	s8 iovbuf[WLC_IOCTL_SMLEN];
333
+	s32 err = 0;
334
+	s32 len;
335
+
336
+	/* Set ARP offload */
337
+	len = bcm_mkiovar("arpoe", (char *)&arpoe, sizeof(arpoe), iovbuf, sizeof(iovbuf));
338
+	if (!len) {
339
+		WL_ERR(("%s: bcm_mkiovar failed:%d\n", __FUNCTION__, len));
340
+		return BCME_BADARG;
341
+	}
342
+	err = wldev_ioctl_set(ndev, WLC_SET_VAR, iovbuf, len);
343
+	if (err) {
344
+		if (err == -EOPNOTSUPP)
345
+			WL_INFORM(("arpoe is not supported\n"));
346
+		else
347
+			WL_ERR(("arpoe error (%d)\n", err));
348
+
349
+		goto dongle_offload_out;
350
+	}
351
+	len = bcm_mkiovar("arp_ol", (char *)&arp_ol, sizeof(arp_ol), iovbuf, sizeof(iovbuf));
352
+	if (!len) {
353
+		WL_ERR(("%s: bcm_mkiovar failed:%d\n", __FUNCTION__, len));
354
+		return BCME_BADARG;
355
+	}
356
+	err = wldev_ioctl_set(ndev, WLC_SET_VAR, iovbuf, len);
357
+	if (err) {
358
+		if (err == -EOPNOTSUPP)
359
+			WL_INFORM(("arp_ol is not supported\n"));
360
+		else
361
+			WL_ERR(("arp_ol error (%d)\n", err));
362
+
363
+		goto dongle_offload_out;
364
+	}
365
+
366
+dongle_offload_out:
367
+	return err;
368
+}
369
+
370
+static s32 wl_pattern_atoh(s8 *src, s8 *dst)
371
+{
372
+	int i;
373
+	if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
374
+		WL_ERR(("Mask invalid format. Needs to start with 0x\n"));
375
+		return -1;
376
+	}
377
+	src = src + 2;		/* Skip past 0x */
378
+	if (strlen(src) % 2 != 0) {
379
+		WL_ERR(("Mask invalid format. Needs to be of even length\n"));
380
+		return -1;
381
+	}
382
+	for (i = 0; *src != '\0'; i++) {
383
+		char num[3];
384
+		strncpy(num, src, 2);
385
+		num[2] = '\0';
386
+		dst[i] = (u8) simple_strtoul(num, NULL, 16);
387
+		src += 2;
388
+	}
389
+	return i;
390
+}
391
+
392
+static s32 wl_dongle_filter(struct net_device *ndev, u32 filter_mode)
393
+{
394
+	const s8 *str;
395
+	struct wl_pkt_filter pkt_filter;
396
+	struct wl_pkt_filter *pkt_filterp;
397
+	s32 buf_len;
398
+	s32 str_len;
399
+	u32 mask_size;
400
+	u32 pattern_size;
401
+	s8 buf[64] = {0};
402
+	s32 err = 0;
403
+
404
+	/* add a default packet filter pattern */
405
+	str = "pkt_filter_add";
406
+	str_len = strlen(str);
407
+	strncpy(buf, str, sizeof(buf) - 1);
408
+	buf[ sizeof(buf) - 1 ] = '\0';
409
+	buf_len = str_len + 1;
410
+
411
+	pkt_filterp = (struct wl_pkt_filter *)(buf + str_len + 1);
412
+
413
+	/* Parse packet filter id. */
414
+	pkt_filter.id = htod32(100);
415
+
416
+	/* Parse filter polarity. */
417
+	pkt_filter.negate_match = htod32(0);
418
+
419
+	/* Parse filter type. */
420
+	pkt_filter.type = htod32(0);
421
+
422
+	/* Parse pattern filter offset. */
423
+	pkt_filter.u.pattern.offset = htod32(0);
424
+
425
+	/* Parse pattern filter mask. */
426
+	mask_size = htod32(wl_pattern_atoh("0xff",
427
+		(char *)pkt_filterp->u.pattern.
428
+		    mask_and_pattern));
429
+
430
+	/* Parse pattern filter pattern. */
431
+	pattern_size = htod32(wl_pattern_atoh("0x00",
432
+		(char *)&pkt_filterp->u.pattern.mask_and_pattern[mask_size]));
433
+
434
+	if (mask_size != pattern_size) {
435
+		WL_ERR(("Mask and pattern not the same size\n"));
436
+		err = -EINVAL;
437
+		goto dongle_filter_out;
438
+	}
439
+
440
+	pkt_filter.u.pattern.size_bytes = mask_size;
441
+	buf_len += WL_PKT_FILTER_FIXED_LEN;
442
+	buf_len += (WL_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size);
443
+
444
+	/* Keep-alive attributes are set in local
445
+	 * variable (keep_alive_pkt), and
446
+	 * then memcpy'ed into buffer (keep_alive_pktp) since there is no
447
+	 * guarantee that the buffer is properly aligned.
448
+	 */
449
+	memcpy((char *)pkt_filterp, &pkt_filter,
450
+		WL_PKT_FILTER_FIXED_LEN + WL_PKT_FILTER_PATTERN_FIXED_LEN);
451
+
452
+	err = wldev_ioctl_set(ndev, WLC_SET_VAR, buf, buf_len);
453
+	if (err) {
454
+		if (err == -EOPNOTSUPP) {
455
+			WL_INFORM(("filter not supported\n"));
456
+		} else {
457
+			WL_ERR(("filter (%d)\n", err));
458
+		}
459
+		goto dongle_filter_out;
460
+	}
461
+
462
+	/* set mode to allow pattern */
463
+	err = wldev_iovar_setint(ndev, "pkt_filter_mode", filter_mode);
464
+	if (err) {
465
+		if (err == -EOPNOTSUPP) {
466
+			WL_INFORM(("filter_mode not supported\n"));
467
+		} else {
468
+			WL_ERR(("filter_mode (%d)\n", err));
469
+		}
470
+		goto dongle_filter_out;
471
+	}
472
+
473
+dongle_filter_out:
474
+	return err;
475
+}
476
+#endif /* OEM_ANDROID */
195477 
196478 s32 dhd_config_dongle(struct bcm_cfg80211 *cfg)
197479 {
198480 #ifndef DHD_SDALIGN
199481 #define DHD_SDALIGN	32
200
-#endif
482
+#endif // endif
201483 	struct net_device *ndev;
202484 	s32 err = 0;
485
+#if !defined(OEM_ANDROID) && defined(BCMSDIO)
486
+	s32 glom = CUSTOM_GLOM_SETTING;
487
+#endif // endif
203488 
204489 	WL_TRACE(("In\n"));
205490 	if (dhd_dongle_up) {
....@@ -214,6 +499,32 @@
214499 		WL_ERR(("wl_dongle_up failed\n"));
215500 		goto default_conf_out;
216501 	}
502
+#ifndef OEM_ANDROID
503
+	err = wl_dongle_power(ndev, PM_FAST);
504
+	if (unlikely(err)) {
505
+		WL_ERR(("wl_dongle_power failed\n"));
506
+		goto default_conf_out;
507
+	}
508
+#ifdef BCMSDIO
509
+	if (glom != DEFAULT_GLOM_VALUE) {
510
+		err = wl_dongle_glom(ndev, glom, DHD_SDALIGN);
511
+	} else {
512
+		err = wl_dongle_glom(ndev, DEFAULT_GLOM_VALUE, DHD_SDALIGN);
513
+	}
514
+	if (unlikely(err)) {
515
+		WL_ERR(("wl_dongle_glom failed\n"));
516
+		goto default_conf_out;
517
+	}
518
+#endif /* BCMSDIO */
519
+	err = wl_dongle_roam(ndev, (cfg->roam_on ? 0 : 1), 3);
520
+	if (unlikely(err)) {
521
+		WL_ERR(("wl_dongle_roam failed\n"));
522
+		goto default_conf_out;
523
+	}
524
+	wl_dongle_scantime(ndev, 40, 80);
525
+	wl_dongle_offload(ndev, 1, 0xf);
526
+	wl_dongle_filter(ndev, 1);
527
+#endif /* OEM_ANDROID */
217528 	dhd_dongle_up = true;
218529 
219530 default_conf_out:
....@@ -227,7 +538,7 @@
227538 {
228539 	struct net_device *ndev = NULL;
229540 	dhd_pub_t *dhd;
230
-	dhd_ioctl_t ioc = { 0 };
541
+	dhd_ioctl_t ioc = { 0, NULL, 0, 0, 0, 0, 0};
231542 	int ret = 0;
232543 	int8 index;
233544 
....@@ -235,14 +546,6 @@
235546 
236547 	dhd = cfg->pub;
237548 	DHD_OS_WAKE_LOCK(dhd);
238
-
239
-	/* send to dongle only if we are not waiting for reload already */
240
-	if (dhd->hang_was_sent) {
241
-		WL_ERR(("HANG was sent up earlier\n"));
242
-		DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhd, DHD_EVENT_TIMEOUT_MS);
243
-		DHD_OS_WAKE_UNLOCK(dhd);
244
-		return OSL_ERROR(BCME_DONGLE_DOWN);
245
-	}
246549 
247550 	ndev = wdev_to_wlc_ndev(wdev, cfg);
248551 	index = dhd_net2idx(dhd->info, ndev);
....@@ -256,6 +559,7 @@
256559 	ioc.len = nlioc->len;
257560 	ioc.set = nlioc->set;
258561 	ioc.driver = nlioc->magic;
562
+	ioc.buf = buf;
259563 	ret = dhd_ioctl_process(dhd, index, &ioc, buf);
260564 	if (ret) {
261565 		WL_TRACE(("dhd_ioctl_process return err %d\n", ret));