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2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d 
 kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/include/wlfc_proto.h
....@@ -1,13 +1,14 @@
1
-/* SPDX-License-Identifier: GPL-2.0 */
21 /*
3
- * Copyright (C) 1999-2019, Broadcom Corporation
4
- * 
2
+ * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
3
+ *
4
+ * Copyright (C) 1999-2017, Broadcom Corporation
5
+ *
56  *      Unless you and Broadcom execute a separate written software license
67  * agreement governing use of this software, this software is licensed to you
78  * under the terms of the GNU General Public License version 2 (the "GPL"),
89  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
910  * following added to such license:
10
- * 
11
+ *
1112  *      As a special exception, the copyright holders of this software give you
1213  * permission to link this software with independent modules, and to copy and
1314  * distribute the resulting executable under terms of your choice, provided that
....@@ -15,7 +16,7 @@
1516  * the license of that module.  An independent module is a module which is not
1617  * derived from this software.  The special exception does not apply to any
1718  * modifications of the software.
18
- * 
19
+ *
1920  *      Notwithstanding the above, under no circumstances may you combine this
2021  * software in any way with any other Broadcom software provided under a license
2122  * other than the GPL, without Broadcom's express prior written consent.
....@@ -23,12 +24,11 @@
2324  *
2425  * <<Broadcom-WL-IPTag/Open:>>
2526  *
26
- * $Id: wlfc_proto.h 542895 2015-03-22 14:13:12Z $
27
+ * $Id: wlfc_proto.h 692466 2017-03-28 07:48:19Z $
2728  *
2829  */
2930 
3031 /** WL flow control for PROP_TXSTATUS. Related to host AMPDU reordering. */
31
-
3232 
3333 #ifndef __wlfc_proto_definitions_h__
3434 #define __wlfc_proto_definitions_h__
....@@ -82,37 +82,47 @@
8282 	 ---------------------------------------------------------------------------
8383 	*/
8484 
85
-#define WLFC_CTL_TYPE_MAC_OPEN			1
86
-#define WLFC_CTL_TYPE_MAC_CLOSE			2
87
-#define WLFC_CTL_TYPE_MAC_REQUEST_CREDIT	3
88
-#define WLFC_CTL_TYPE_TXSTATUS			4
89
-#define WLFC_CTL_TYPE_PKTTAG			5	/** host<->dongle */
85
+typedef enum {
86
+	WLFC_CTL_TYPE_MAC_OPEN = 1,
87
+	WLFC_CTL_TYPE_MAC_CLOSE	= 2,
88
+	WLFC_CTL_TYPE_MAC_REQUEST_CREDIT = 3,
89
+	WLFC_CTL_TYPE_TXSTATUS = 4,
90
+	WLFC_CTL_TYPE_PKTTAG = 5,	/** host<->dongle */
9091 
91
-#define WLFC_CTL_TYPE_MACDESC_ADD		6
92
-#define WLFC_CTL_TYPE_MACDESC_DEL		7
93
-#define WLFC_CTL_TYPE_RSSI			8
92
+	WLFC_CTL_TYPE_MACDESC_ADD = 6,
93
+	WLFC_CTL_TYPE_MACDESC_DEL = 7,
94
+	WLFC_CTL_TYPE_RSSI = 8,
9495 
95
-#define WLFC_CTL_TYPE_INTERFACE_OPEN		9
96
-#define WLFC_CTL_TYPE_INTERFACE_CLOSE		10
96
+	WLFC_CTL_TYPE_INTERFACE_OPEN = 9,
97
+	WLFC_CTL_TYPE_INTERFACE_CLOSE = 10,
9798 
98
-#define WLFC_CTL_TYPE_FIFO_CREDITBACK		11
99
+	WLFC_CTL_TYPE_FIFO_CREDITBACK = 11,
99100 
100
-#define WLFC_CTL_TYPE_PENDING_TRAFFIC_BMP	12	/** host->dongle */
101
-#define WLFC_CTL_TYPE_MAC_REQUEST_PACKET	13
102
-#define WLFC_CTL_TYPE_HOST_REORDER_RXPKTS	14
101
+	WLFC_CTL_TYPE_PENDING_TRAFFIC_BMP = 12,	/** host->dongle */
102
+	WLFC_CTL_TYPE_MAC_REQUEST_PACKET = 13,
103
+	WLFC_CTL_TYPE_HOST_REORDER_RXPKTS = 14,
103104 
104
-#define WLFC_CTL_TYPE_TX_ENTRY_STAMP		15
105
-#define WLFC_CTL_TYPE_RX_STAMP			16
106
-#define WLFC_CTL_TYPE_TX_STATUS_STAMP		17	/** obsolete */
105
+	WLFC_CTL_TYPE_TX_ENTRY_STAMP = 15,
106
+	WLFC_CTL_TYPE_RX_STAMP = 16,
107
+	WLFC_CTL_TYPE_TX_STATUS_STAMP = 17,	/** obsolete */
107108 
108
-#define WLFC_CTL_TYPE_TRANS_ID			18
109
-#define WLFC_CTL_TYPE_COMP_TXSTATUS		19
109
+	WLFC_CTL_TYPE_TRANS_ID = 18,
110
+	WLFC_CTL_TYPE_COMP_TXSTATUS = 19,
110111 
111
-#define WLFC_CTL_TYPE_TID_OPEN			20
112
-#define WLFC_CTL_TYPE_TID_CLOSE			21
112
+	WLFC_CTL_TYPE_TID_OPEN = 20,
113
+	WLFC_CTL_TYPE_TID_CLOSE = 21,
114
+	WLFC_CTL_TYPE_UPD_FLR_WEIGHT = 22,
115
+	WLFC_CTL_TYPE_ENAB_FFSCH = 23,
116
+	WLFC_CTL_TYPE_UPDATE_FLAGS = 24,	/* clear the flags set in flowring */
117
+	WLFC_CTL_TYPE_CLEAR_SUPPR = 25,		/* free the supression info in the flowring */
113118 
119
+	WLFC_CTL_TYPE_FLOWID_OPEN = 26,
120
+	WLFC_CTL_TYPE_FLOWID_CLOSE = 27,
114121 
115
-#define WLFC_CTL_TYPE_FILLER			255
122
+	WLFC_CTL_TYPE_FILLER = 255
123
+} wlfc_ctl_type_t;
124
+
125
+#define WLFC_CTL_VALUE_LEN_FLOWID		2
116126 
117127 #define WLFC_CTL_VALUE_LEN_MACDESC		8	/** handle, interface, MAC */
118128 
....@@ -128,6 +138,14 @@
128138 
129139 #define WLFC_CTL_VALUE_LEN_SEQ			2
130140 
141
+/* Reset the flags set for the corresponding flowring of the SCB which is de-inited */
142
+/* FLOW_RING_FLAG_LAST_TIM | FLOW_RING_FLAG_INFORM_PKTPEND | FLOW_RING_FLAG_PKT_REQ */
143
+#define WLFC_RESET_ALL_FLAGS			0
144
+#define WLFC_CTL_VALUE_LEN_FLAGS		7	/** flags, MAC */
145
+
146
+/* free the data stored to be used for suppressed packets in future */
147
+#define WLFC_CTL_VALUE_LEN_SUPR			7	/** tid, MAC */
148
+
131149 /* The high bits of ratespec report in timestamp are used for various status */
132150 #define WLFC_TSFLAGS_RX_RETRY		(1 << 31)
133151 #define WLFC_TSFLAGS_PM_ENABLED		(1 << 30)
....@@ -139,9 +157,9 @@
139157 #define WLFC_CTL_VALUE_LEN_REQUEST_CREDIT	3	/* credit, MAC-handle, prec_bitmap */
140158 #define WLFC_CTL_VALUE_LEN_REQUEST_PACKET	3	/* credit, MAC-handle, prec_bitmap */
141159 
142
-
143160 #define WLFC_PKTFLAG_PKTFROMHOST	0x01
144161 #define WLFC_PKTFLAG_PKT_REQUESTED	0x02
162
+#define WLFC_PKTFLAG_PKT_SENDTOHOST	0x04
145163 
146164 #define WL_TXSTATUS_STATUS_MASK			0xff /* allow 8 bits */
147165 #define WL_TXSTATUS_STATUS_SHIFT		24
....@@ -206,44 +224,68 @@
206224 	((ctr) & WL_TXSTATUS_FREERUNCTR_MASK))
207225 #define WL_TXSTATUS_GET_FREERUNCTR(x)		((x)& WL_TXSTATUS_FREERUNCTR_MASK)
208226 
209
-/* Seq number part of AMSDU */
227
+/* AMSDU part of d11 seq number */
210228 #define WL_SEQ_AMSDU_MASK             0x1 /* allow 1 bit */
211229 #define WL_SEQ_AMSDU_SHIFT            14
212230 #define WL_SEQ_SET_AMSDU(x, val)      ((x) = \
213231 	((x) & ~(WL_SEQ_AMSDU_MASK << WL_SEQ_AMSDU_SHIFT)) | \
214
-	(((val) & WL_SEQ_AMSDU_MASK) << WL_SEQ_AMSDU_SHIFT))
215
-#define WL_SEQ_GET_AMSDU(x)   (((x) >> WL_SEQ_AMSDU_SHIFT) & \
216
-					WL_SEQ_AMSDU_MASK)
232
+	(((val) & WL_SEQ_AMSDU_MASK) << WL_SEQ_AMSDU_SHIFT)) /**< sets a single AMSDU bit */
233
+/** returns TRUE if ring item is AMSDU (seq = d11 seq nr) */
234
+#define WL_SEQ_IS_AMSDU(x)   (((x) >> WL_SEQ_AMSDU_SHIFT) & \
235
+	WL_SEQ_AMSDU_MASK)
217236 
218
-/* Seq number is valid coming from FW */
237
+/* indicates last_suppr_seq is valid */
238
+#define WL_SEQ_VALIDSUPPR_MASK		0x1 /* allow 1 bit */
239
+#define WL_SEQ_VALIDSUPPR_SHIFT		12
240
+#define WL_SEQ_SET_VALIDSUPPR(x, val)	((x) = \
241
+	((x) & ~(WL_SEQ_VALIDSUPPR_MASK << WL_SEQ_VALIDSUPPR_SHIFT)) | \
242
+	(((val) & WL_SEQ_VALIDSUPPR_MASK) << WL_SEQ_VALIDSUPPR_SHIFT))
243
+#define WL_SEQ_GET_VALIDSUPPR(x)	(((x) >> WL_SEQ_VALIDSUPPR_SHIFT) & \
244
+	WL_SEQ_VALIDSUPPR_MASK)
245
+
219246 #define WL_SEQ_FROMFW_MASK		0x1 /* allow 1 bit */
220247 #define WL_SEQ_FROMFW_SHIFT		13
221248 #define WL_SEQ_SET_FROMFW(x, val)	((x) = \
222249 	((x) & ~(WL_SEQ_FROMFW_MASK << WL_SEQ_FROMFW_SHIFT)) | \
223250 	(((val) & WL_SEQ_FROMFW_MASK) << WL_SEQ_FROMFW_SHIFT))
224
-#define WL_SEQ_GET_FROMFW(x)	(((x) >> WL_SEQ_FROMFW_SHIFT) & \
225
-	WL_SEQ_FROMFW_MASK)
251
+/** Set when firmware assigns D11 sequence number to packet */
252
+#define SET_WL_HAS_ASSIGNED_SEQ(x)	WL_SEQ_SET_FROMFW((x), 1)
253
+
254
+/** returns TRUE if packet has been assigned a d11 seq number by the WL firmware layer */
255
+#define GET_WL_HAS_ASSIGNED_SEQ(x)	(((x) >> WL_SEQ_FROMFW_SHIFT) & WL_SEQ_FROMFW_MASK)
226256 
227257 /**
228258  * Proptxstatus related.
229259  *
230
- * Pkt from bus layer (DHD for SDIO and pciedev for PCIE)
231
- * is re-using seq number previously suppressed
232
- * so FW should not assign new one
260
+ * When a packet is suppressed by WL or the D11 core, the packet has to be retried. Assigning
261
+ * a new d11 sequence number for the packet when retrying would cause the peer to be unable to
262
+ * reorder the packets within an AMPDU. So, suppressed packet from bus layer (DHD for SDIO and
263
+ * pciedev for PCIE) is re-using d11 seq number, so FW should not assign a new one.
233264  */
234265 #define WL_SEQ_FROMDRV_MASK		0x1 /* allow 1 bit */
235266 #define WL_SEQ_FROMDRV_SHIFT		12
236
-#define WL_SEQ_SET_FROMDRV(x, val)	((x) = \
267
+
268
+/**
269
+ * Proptxstatus, host or fw PCIe layer requests WL layer to reuse d11 seq no. Bit is reset by WL
270
+ * subsystem when it reuses the seq number.
271
+ */
272
+#define WL_SEQ_SET_REUSE(x, val)	((x) = \
237273 	((x) & ~(WL_SEQ_FROMDRV_MASK << WL_SEQ_FROMDRV_SHIFT)) | \
238274 	(((val) & WL_SEQ_FROMDRV_MASK) << WL_SEQ_FROMDRV_SHIFT))
239
-#define WL_SEQ_GET_FROMDRV(x)	(((x) >> WL_SEQ_FROMDRV_SHIFT) & \
275
+#define SET_WL_TO_REUSE_SEQ(x)   WL_SEQ_SET_REUSE((x), 1)
276
+#define RESET_WL_TO_REUSE_SEQ(x) WL_SEQ_SET_REUSE((x), 0)
277
+
278
+/** Proptxstatus, related to reuse of d11 seq numbers when retransmitting */
279
+#define IS_WL_TO_REUSE_SEQ(x)	(((x) >> WL_SEQ_FROMDRV_SHIFT) & \
240280 	WL_SEQ_FROMDRV_MASK)
241281 
242282 #define WL_SEQ_NUM_MASK			0xfff /* allow 12 bit */
243283 #define WL_SEQ_NUM_SHIFT		0
284
+/** Proptxstatus, sets d11seq no in pkt tag, related to reuse of d11seq no when retransmitting */
244285 #define WL_SEQ_SET_NUM(x, val)	((x) = \
245286 	((x) & ~(WL_SEQ_NUM_MASK << WL_SEQ_NUM_SHIFT)) | \
246287 	(((val) & WL_SEQ_NUM_MASK) << WL_SEQ_NUM_SHIFT))
288
+/** Proptxstatus, gets d11seq no from pkt tag, related to reuse of d11seq no when retransmitting */
247289 #define WL_SEQ_GET_NUM(x)	(((x) >> WL_SEQ_NUM_SHIFT) & \
248290 	WL_SEQ_NUM_MASK)
249291 
....@@ -265,7 +307,6 @@
265307 #define WLFC_PKTFLAG_CLR_PKTREQUESTED(x)	(x) &= \
266308 	~(WLFC_PKTFLAG_PKT_REQUESTED << WL_TXSTATUS_FLAGS_SHIFT)
267309 
268
-
269310 #define WLFC_MAX_PENDING_DATALEN	120
270311 
271312 /* host is free to discard the packet */
....@@ -282,28 +323,26 @@
282323 #define WLFC_CTL_PKTFLAG_DISCARD_NOACK	4
283324 /* Firmware wrongly reported suppressed previously,now fixing to acked */
284325 #define WLFC_CTL_PKTFLAG_SUPPRESS_ACKED	5
285
-
286
-#define WLFC_D11_STATUS_INTERPRET(txs)	\
287
-	((txs)->status.was_acked ? WLFC_CTL_PKTFLAG_DISCARD : \
288
-	(TXS_SUPR_MAGG_DONE((txs)->status.suppr_ind) ? \
289
-	WLFC_CTL_PKTFLAG_DISCARD_NOACK : WLFC_CTL_PKTFLAG_D11SUPPRESS))
290
-
326
+/* Firmware send this packet expired, lifetime expiration */
327
+#define WLFC_CTL_PKTFLAG_EXPIRED	6
328
+/* Firmware drop this packet for any other reason  */
329
+#define WLFC_CTL_PKTFLAG_DROPPED	7
330
+/* Firmware free this packet  */
331
+#define WLFC_CTL_PKTFLAG_MKTFREE	8
332
+#define WLFC_CTL_PKTFLAG_MASK		(0x0f)	/* For 4-bit mask with one extra bit */
291333 
292334 #ifdef PROP_TXSTATUS_DEBUG
293335 #define WLFC_DBGMESG(x) printf x
294336 /* wlfc-breadcrumb */
295337 #define WLFC_BREADCRUMB(x) do {if ((x) == NULL) \
296338 	{printf("WLFC: %s():%d:caller:%p\n", \
297
-	__FUNCTION__, __LINE__, __builtin_return_address(0));}} while (0)
298
-#define WLFC_PRINTMAC(banner, ea) do {printf("%s MAC: [%02x:%02x:%02x:%02x:%02x:%02x]\n", \
299
-	banner, ea[0], 	ea[1], 	ea[2], 	ea[3], 	ea[4], 	ea[5]); } while (0)
339
+	__FUNCTION__, __LINE__, CALL_SITE);}} while (0)
300340 #define WLFC_WHEREIS(s) printf("WLFC: at %s():%d, %s\n", __FUNCTION__, __LINE__, (s))
301341 #else
302342 #define WLFC_DBGMESG(x)
303343 #define WLFC_BREADCRUMB(x)
304
-#define WLFC_PRINTMAC(banner, ea)
305344 #define WLFC_WHEREIS(s)
306
-#endif
345
+#endif /* PROP_TXSTATUS_DEBUG */
307346 
308347 /* AMPDU host reorder packet flags */
309348 #define WLHOST_REORDERDATA_MAXFLOWS		256
....@@ -334,18 +373,43 @@
334373 #define WLFC_SET_AFQ(x, val)	((x) = \
335374 	((x) & ~(1 << WLFC_MODE_AFQ_SHIFT)) | \
336375 	(((val) & 1) << WLFC_MODE_AFQ_SHIFT))
376
+/** returns TRUE if firmware supports 'at firmware queue' feature */
337377 #define WLFC_GET_AFQ(x)	(((x) >> WLFC_MODE_AFQ_SHIFT) & 1)
338378 
339379 #define WLFC_MODE_REUSESEQ_SHIFT	3	/* seq reuse bit */
340380 #define WLFC_SET_REUSESEQ(x, val)	((x) = \
341381 	((x) & ~(1 << WLFC_MODE_REUSESEQ_SHIFT)) | \
342382 	(((val) & 1) << WLFC_MODE_REUSESEQ_SHIFT))
383
+
384
+/** returns TRUE if 'd11 sequence reuse' has been agreed upon between host and dongle */
385
+#if defined(BCMPCIEDEV_ENABLED) && !defined(ROM_ENAB_RUNTIME_CHECK)
386
+/* GET_REUSESEQ is always TRUE in pciedev */
387
+#define WLFC_GET_REUSESEQ(x)	(TRUE)
388
+#else
343389 #define WLFC_GET_REUSESEQ(x)	(((x) >> WLFC_MODE_REUSESEQ_SHIFT) & 1)
390
+#endif /* defined(BCMPCIEDEV_ENABLED) && !defined(ROM_ENAB_RUNTIME_CHECK) */
344391 
345392 #define WLFC_MODE_REORDERSUPP_SHIFT	4	/* host reorder suppress pkt bit */
346393 #define WLFC_SET_REORDERSUPP(x, val)	((x) = \
347394 	((x) & ~(1 << WLFC_MODE_REORDERSUPP_SHIFT)) | \
348395 	(((val) & 1) << WLFC_MODE_REORDERSUPP_SHIFT))
396
+/** returns TRUE if 'reorder suppress' has been agreed upon between host and dongle */
349397 #define WLFC_GET_REORDERSUPP(x)	(((x) >> WLFC_MODE_REORDERSUPP_SHIFT) & 1)
350398 
399
+#define FLOW_RING_CREATE	1
400
+#define FLOW_RING_DELETE	2
401
+#define FLOW_RING_FLUSH		3
402
+#define FLOW_RING_OPEN		4
403
+#define FLOW_RING_CLOSED	5
404
+#define FLOW_RING_FLUSHED	6
405
+#define FLOW_RING_TIM_SET	7
406
+#define FLOW_RING_TIM_RESET	8
407
+#define FLOW_RING_FLUSH_TXFIFO	9
408
+#define FLOW_RING_GET_PKT_MAX	10
409
+#define FLOW_RING_RESET_WEIGHT	11
410
+#define FLOW_RING_UPD_PRIOMAP	12
411
+
412
+/* bit 7, indicating if is TID(1) or AC(0) mapped info in tid field) */
413
+#define PCIEDEV_IS_AC_TID_MAP_MASK	0x80
414
+
351415 #endif /* __wlfc_proto_definitions_h__ */