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2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc 
 kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/dhd_debug_linux.c
....@@ -1,15 +1,18 @@
1
-/* SPDX-License-Identifier: GPL-2.0 */
21 /*
32  * DHD debugability Linux os layer
43  *
5
- * Copyright (C) 1999-2019, Broadcom Corporation
6
- * 
4
+ * <<Broadcom-WL-IPTag/Open:>>
5
+ *
6
+ * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
7
+ *
8
+ * Copyright (C) 1999-2017, Broadcom Corporation
9
+ *
710  *      Unless you and Broadcom execute a separate written software license
811  * agreement governing use of this software, this software is licensed to you
912  * under the terms of the GNU General Public License version 2 (the "GPL"),
1013  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
1114  * following added to such license:
12
- * 
15
+ *
1316  *      As a special exception, the copyright holders of this software give you
1417  * permission to link this software with independent modules, and to copy and
1518  * distribute the resulting executable under terms of your choice, provided that
....@@ -17,21 +20,18 @@
1720  * the license of that module.  An independent module is a module which is not
1821  * derived from this software.  The special exception does not apply to any
1922  * modifications of the software.
20
- * 
23
+ *
2124  *      Notwithstanding the above, under no circumstances may you combine this
2225  * software in any way with any other Broadcom software provided under a license
2326  * other than the GPL, without Broadcom's express prior written consent.
2427  *
25
- * $Id: dhd_debug_linux.c 554441 2015-05-05 18:45:58Z $
28
+ * $Id: dhd_debug_linux.c 696754 2017-04-28 00:21:58Z $
2629  */
2730 
2831 #include <typedefs.h>
2932 #include <osl.h>
3033 #include <bcmutils.h>
3134 #include <bcmendian.h>
32
-#ifndef CUSTOMER_IPCAM
33
-#include <bcmpcie.h>
34
-#endif
3535 #include <dngl_stats.h>
3636 #include <dhd.h>
3737 #include <dhd_dbg.h>
....@@ -61,7 +61,13 @@
6161 	{1, WIFI_EVENT_DRIVER_EAPOL_FRAME_RECEIVED, "DRIVER EAPOL RX"},
6262 	{2, WIFI_EVENT_DRIVER_SCAN_REQUESTED, "SCAN_REQUESTED"},
6363 	{2, WIFI_EVENT_DRIVER_SCAN_COMPLETE, "SCAN COMPELETE"},
64
-	{3, WIFI_EVENT_DRIVER_SCAN_RESULT_FOUND, "SCAN RESULT FOUND"}
64
+	{3, WIFI_EVENT_DRIVER_SCAN_RESULT_FOUND, "SCAN RESULT FOUND"},
65
+	{2, WIFI_EVENT_DRIVER_PNO_ADD, "PNO ADD"},
66
+	{2, WIFI_EVENT_DRIVER_PNO_REMOVE, "PNO REMOVE"},
67
+	{2, WIFI_EVENT_DRIVER_PNO_NETWORK_FOUND, "PNO NETWORK FOUND"},
68
+	{2, WIFI_EVENT_DRIVER_PNO_SCAN_REQUESTED, "PNO SCAN_REQUESTED"},
69
+	{1, WIFI_EVENT_DRIVER_PNO_SCAN_RESULT_FOUND, "PNO SCAN RESULT FOUND"},
70
+	{1, WIFI_EVENT_DRIVER_PNO_SCAN_COMPLETE, "PNO SCAN COMPELETE"}
6571 };
6672 
6773 static void
....@@ -72,6 +78,8 @@
7278 	dbg_ring_send_sub_t ring_sub_send;
7379 	ndev = dhd_linux_get_primary_netdev(dhdp);
7480 	if (!ndev)
81
+		return;
82
+	if (!VALID_RING(ring_id))
7583 		return;
7684 	if (ring_send_sub_cb[ring_id]) {
7785 		ring_sub_send = ring_send_sub_cb[ring_id];
....@@ -95,53 +103,76 @@
95103 dbg_ring_poll_worker(struct work_struct *work)
96104 {
97105 	struct delayed_work *d_work = to_delayed_work(work);
106
+	bool sched = TRUE;
107
+	dhd_dbg_ring_t *ring;
108
+#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
109
+#pragma GCC diagnostic push
110
+#pragma GCC diagnostic ignored "-Wcast-qual"
111
+#endif // endif
98112 	linux_dbgring_info_t *ring_info =
99113 		container_of(d_work, linux_dbgring_info_t, work);
114
+#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
115
+#pragma GCC diagnostic pop
116
+#endif // endif
100117 	dhd_pub_t *dhdp = ring_info->dhdp;
101118 	int ringid = ring_info->ring_id;
102119 	dhd_dbg_ring_status_t ring_status;
103120 	void *buf;
104121 	dhd_dbg_ring_entry_t *hdr;
105122 	uint32 buflen, rlen;
123
+	unsigned long flags;
106124 
125
+	ring = &dhdp->dbg->dbg_rings[ringid];
126
+	DHD_DBG_RING_LOCK(ring->lock, flags);
107127 	dhd_dbg_get_ring_status(dhdp, ringid, &ring_status);
108
-	if (ring_status.written_bytes > ring_status.read_bytes)
109
-		buflen = ring_status.written_bytes - ring_status.read_bytes;
110
-	else if (ring_status.written_bytes < ring_status.read_bytes)
111
-		buflen = 0xFFFFFFFF + ring_status.written_bytes -
112
-			ring_status.read_bytes;
113
-	else
128
+
129
+	if (ring->wp > ring->rp) {
130
+		buflen = ring->wp - ring->rp;
131
+	} else if (ring->wp < ring->rp) {
132
+		buflen = ring->ring_size - ring->rp + ring->wp;
133
+	} else {
114134 		goto exit;
115
-	buf = MALLOC(dhdp->osh, buflen);
135
+	}
136
+
137
+	if (buflen > ring->ring_size) {
138
+		goto exit;
139
+	}
140
+
141
+	buf = MALLOCZ(dhdp->osh, buflen);
116142 	if (!buf) {
117143 		DHD_ERROR(("%s failed to allocate read buf\n", __FUNCTION__));
118
-		return;
144
+		sched = FALSE;
145
+		goto exit;
119146 	}
120
-	rlen = dhd_dbg_ring_pull(dhdp, ringid, buf, buflen);
147
+
148
+	rlen = dhd_dbg_pull_from_ring(dhdp, ringid, buf, buflen);
149
+
150
+	if (!ring->sched_pull) {
151
+		ring->sched_pull = TRUE;
152
+	}
153
+
121154 	hdr = (dhd_dbg_ring_entry_t *)buf;
122155 	while (rlen > 0) {
123156 		ring_status.read_bytes += ENTRY_LENGTH(hdr);
124157 		/* offset fw ts to host ts */
125158 		hdr->timestamp += ring_info->tsoffset;
126159 		debug_data_send(dhdp, ringid, hdr, ENTRY_LENGTH(hdr),
127
-				ring_status);
160
+			ring_status);
128161 		rlen -= ENTRY_LENGTH(hdr);
129
-		hdr = (dhd_dbg_ring_entry_t *)((void *)hdr + ENTRY_LENGTH(hdr));
162
+		hdr = (dhd_dbg_ring_entry_t *)((char *)hdr + ENTRY_LENGTH(hdr));
130163 	}
131164 	MFREE(dhdp->osh, buf, buflen);
132165 
133
-	if (!ring_info->interval)
134
-		return;
135
-	dhd_dbg_get_ring_status(dhdp, ring_info->ring_id, &ring_status);
136
-
137166 exit:
138
-	if (ring_info->interval) {
167
+	if (sched) {
139168 		/* retrigger the work at same interval */
140
-		if (ring_status.written_bytes == ring_status.read_bytes)
169
+		if ((ring_status.written_bytes == ring_status.read_bytes) &&
170
+				(ring_info->interval)) {
141171 			schedule_delayed_work(d_work, ring_info->interval);
142
-		else
143
-			schedule_delayed_work(d_work, 0);
172
+		}
144173 	}
174
+
175
+	DHD_DBG_RING_UNLOCK(ring->lock, flags);
145176 
146177 	return;
147178 }
....@@ -173,7 +204,6 @@
173204 	int ret = BCME_OK;
174205 	int ring_id;
175206 	linux_dbgring_info_t *os_priv, *ring_info;
176
-	uint32 ms;
177207 
178208 	ring_id = dhd_dbg_find_ring_id(dhdp, ring_name);
179209 	if (!VALID_RING(ring_id))
....@@ -194,19 +224,13 @@
194224 		return BCME_ERROR;
195225 	ring_info = &os_priv[ring_id];
196226 	ring_info->log_level = log_level;
197
-	if (ring_id == FW_VERBOSE_RING_ID || ring_id == FW_EVENT_RING_ID) {
198
-		ring_info->tsoffset = local_clock();
199
-		if (dhd_wl_ioctl_get_intiovar(dhdp, "rte_timesync", &ms, WLC_GET_VAR,
200
-				FALSE, 0))
201
-			DHD_ERROR(("%s rte_timesync failed\n", __FUNCTION__));
202
-		do_div(ring_info->tsoffset, 1000000);
203
-		ring_info->tsoffset -= ms;
204
-	}
227
+
205228 	if (time_intval == 0 || log_level == 0) {
206229 		ring_info->interval = 0;
207230 		cancel_delayed_work_sync(&ring_info->work);
208231 	} else {
209232 		ring_info->interval = msecs_to_jiffies(time_intval * MSEC_PER_SEC);
233
+		cancel_delayed_work_sync(&ring_info->work);
210234 		schedule_delayed_work(&ring_info->work, ring_info->interval);
211235 	}
212236 
....@@ -257,12 +281,12 @@
257281 	if (!os_priv)
258282 		return BCME_ERROR;
259283 
260
-	max_log_level = MAX(os_priv[FW_VERBOSE_RING_ID].log_level,
261
-		os_priv[FW_EVENT_RING_ID].log_level);
284
+	max_log_level = os_priv[FW_VERBOSE_RING_ID].log_level;
285
+
262286 	if (max_log_level == SUPPRESS_LOG_LEVEL) {
263287 		/* suppress the logging in FW not to wake up host while device in suspend mode */
264288 		ret = dhd_iovar(dhdp, 0, "logtrace", (char *)&enable, sizeof(enable), NULL, 0,
265
-			TRUE);
289
+				TRUE);
266290 		if (ret < 0 && (ret != BCME_UNSUPPORTED)) {
267291 			DHD_ERROR(("logtrace is failed : %d\n", ret));
268292 		}
....@@ -305,17 +329,17 @@
305329 {
306330 	int ret = BCME_OK, i;
307331 	dhd_dbg_ring_entry_t msg_hdr;
308
-	log_conn_event_t event_data;
332
+	log_conn_event_t *event_data = (log_conn_event_t *)data;
309333 	linux_dbgring_info_t *os_priv, *ring_info = NULL;
310334 
311335 	if (!VALID_RING(ring_id))
312336 		return BCME_UNSUPPORTED;
313
-
314337 	os_priv = dhd_dbg_get_priv(dhdp);
315
-	if (!os_priv)
316
-		return BCME_UNSUPPORTED;
317338 
318
-	ring_info = &os_priv[ring_id];
339
+	if (os_priv) {
340
+		ring_info = &os_priv[ring_id];
341
+	} else
342
+		return BCME_NORESOURCE;
319343 
320344 	memset(&msg_hdr, 0, sizeof(dhd_dbg_ring_entry_t));
321345 
....@@ -325,18 +349,17 @@
325349 		msg_hdr.flags |= DBG_RING_ENTRY_FLAGS_HAS_BINARY;
326350 		msg_hdr.timestamp = local_clock();
327351 		/* convert to ms */
328
-		do_div(msg_hdr.timestamp, 1000000);
329
-		msg_hdr.len = sizeof(event_data);
330
-		event_data.event = *((uint16 *)(data));
352
+		msg_hdr.timestamp = DIV_U64_BY_U32(msg_hdr.timestamp, NSEC_PER_MSEC);
353
+		msg_hdr.len = data_len;
331354 		/* filter the event for higher log level with current log level */
332355 		for (i = 0; i < ARRAYSIZE(dhd_event_map); i++) {
333
-			if ((dhd_event_map[i].tag == event_data.event) &&
356
+			if ((dhd_event_map[i].tag == event_data->event) &&
334357 				dhd_event_map[i].log_level > ring_info->log_level) {
335358 				return ret;
336359 			}
337360 		}
338361 	}
339
-	ret = dhd_dbg_ring_push(dhdp, ring_id, &msg_hdr, &event_data);
362
+	ret = dhd_dbg_push_to_ring(dhdp, ring_id, &msg_hdr, event_data);
340363 	if (ret) {
341364 		DHD_ERROR(("%s : failed to push data into the ring (%d) with ret(%d)\n",
342365 			__FUNCTION__, ring_id, ret));
....@@ -345,11 +368,72 @@
345368 	return ret;
346369 }
347370 
371
+#ifdef DBG_PKT_MON
372
+int
373
+dhd_os_dbg_attach_pkt_monitor(dhd_pub_t *dhdp)
374
+{
375
+	return dhd_dbg_attach_pkt_monitor(dhdp, dhd_os_dbg_monitor_tx_pkts,
376
+		dhd_os_dbg_monitor_tx_status, dhd_os_dbg_monitor_rx_pkts);
377
+}
378
+
379
+int
380
+dhd_os_dbg_start_pkt_monitor(dhd_pub_t *dhdp)
381
+{
382
+	return dhd_dbg_start_pkt_monitor(dhdp);
383
+}
384
+
385
+int
386
+dhd_os_dbg_monitor_tx_pkts(dhd_pub_t *dhdp, void *pkt, uint32 pktid)
387
+{
388
+	return dhd_dbg_monitor_tx_pkts(dhdp, pkt, pktid);
389
+}
390
+
391
+int
392
+dhd_os_dbg_monitor_tx_status(dhd_pub_t *dhdp, void *pkt, uint32 pktid,
393
+	uint16 status)
394
+{
395
+	return dhd_dbg_monitor_tx_status(dhdp, pkt, pktid, status);
396
+}
397
+
398
+int
399
+dhd_os_dbg_monitor_rx_pkts(dhd_pub_t *dhdp, void *pkt)
400
+{
401
+	return dhd_dbg_monitor_rx_pkts(dhdp, pkt);
402
+}
403
+
404
+int
405
+dhd_os_dbg_stop_pkt_monitor(dhd_pub_t *dhdp)
406
+{
407
+	return dhd_dbg_stop_pkt_monitor(dhdp);
408
+}
409
+
410
+int
411
+dhd_os_dbg_monitor_get_tx_pkts(dhd_pub_t *dhdp, void __user *user_buf,
412
+	uint16 req_count, uint16 *resp_count)
413
+{
414
+	return dhd_dbg_monitor_get_tx_pkts(dhdp, user_buf, req_count, resp_count);
415
+}
416
+
417
+int
418
+dhd_os_dbg_monitor_get_rx_pkts(dhd_pub_t *dhdp, void __user *user_buf,
419
+	uint16 req_count, uint16 *resp_count)
420
+{
421
+	return dhd_dbg_monitor_get_rx_pkts(dhdp, user_buf, req_count, resp_count);
422
+}
423
+
424
+int
425
+dhd_os_dbg_detach_pkt_monitor(dhd_pub_t *dhdp)
426
+{
427
+	return dhd_dbg_detach_pkt_monitor(dhdp);
428
+}
429
+#endif /* DBG_PKT_MON */
430
+
348431 int
349432 dhd_os_dbg_get_feature(dhd_pub_t *dhdp, int32 *features)
350433 {
351434 	int ret = BCME_OK;
352435 	*features = 0;
436
+#ifdef DEBUGABILITY
353437 	*features |= DBG_MEMORY_DUMP_SUPPORTED;
354438 	if (FW_SUPPORTED(dhdp, logtrace)) {
355439 		*features |= DBG_CONNECT_EVENT_SUPPORTED;
....@@ -358,6 +442,12 @@
358442 	if (FW_SUPPORTED(dhdp, hchk)) {
359443 		*features |= DBG_HEALTH_CHECK_SUPPORTED;
360444 	}
445
+#ifdef DBG_PKT_MON
446
+	if (FW_SUPPORTED(dhdp, d11status)) {
447
+		*features |= DBG_PACKET_FATE_SUPPORTED;
448
+	}
449
+#endif /* DBG_PKT_MON */
450
+#endif /* DEBUGABILITY */
361451 	return ret;
362452 }
363453 
....@@ -367,8 +457,8 @@
367457 	linux_dbgring_info_t *ring_info;
368458 
369459 	ring_info = &((linux_dbgring_info_t *)os_priv)[ring_id];
370
-	if (ring_info->interval != 0)
371
-		schedule_delayed_work(&ring_info->work, 0);
460
+	cancel_delayed_work(&ring_info->work);
461
+	schedule_delayed_work(&ring_info->work, 0);
372462 }
373463 
374464 int
....@@ -405,6 +495,8 @@
405495 	int ring_id;
406496 	/* free os_dbg data */
407497 	os_priv = dhd_dbg_get_priv(dhdp);
498
+	if (!os_priv)
499
+		return;
408500 	/* abort pending any job */
409501 	for (ring_id = DEBUG_RING_ID_INVALID + 1; ring_id < DEBUG_RING_ID_MAX; ring_id++) {
410502 		ring_info = &os_priv[ring_id];