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2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc 
 kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/dhd_flowring.h
....@@ -1,5 +1,4 @@
1
-/* SPDX-License-Identifier: GPL-2.0 */
2
-/**
1
+/*
32  * @file Header file describing the flow rings DHD interfaces.
43  *
54  * Flow rings are transmit traffic (=propagating towards antenna) related entities.
....@@ -7,14 +6,16 @@
76  * Provides type definitions and function prototypes used to create, delete and manage flow rings at
87  * high level.
98  *
10
- * Copyright (C) 1999-2019, Broadcom Corporation
11
- * 
9
+ * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
10
+ *
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+ * Copyright (C) 1999-2017, Broadcom Corporation
12
+ *
1213  *      Unless you and Broadcom execute a separate written software license
1314  * agreement governing use of this software, this software is licensed to you
1415  * under the terms of the GNU General Public License version 2 (the "GPL"),
1516  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
1617  * following added to such license:
17
- * 
18
+ *
1819  *      As a special exception, the copyright holders of this software give you
1920  * permission to link this software with independent modules, and to copy and
2021  * distribute the resulting executable under terms of your choice, provided that
....@@ -22,7 +23,7 @@
2223  * the license of that module.  An independent module is a module which is not
2324  * derived from this software.  The special exception does not apply to any
2425  * modifications of the software.
25
- * 
26
+ *
2627  *      Notwithstanding the above, under no circumstances may you combine this
2728  * software in any way with any other Broadcom software provided under a license
2829  * other than the GPL, without Broadcom's express prior written consent.
....@@ -30,9 +31,8 @@
3031  *
3132  * <<Broadcom-WL-IPTag/Open:>>
3233  *
33
- * $Id: dhd_flowrings.h  jaganlv $
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+ * $Id: dhd_flowring.h 697690 2017-05-04 14:16:18Z $
3435  */
35
-
3636 
3737 /****************
3838  * Common types *
....@@ -51,39 +51,24 @@
5151 #define FLOWID_RESERVED                 (FLOW_RING_COMMON)
5252 
5353 #define FLOW_RING_STATUS_OPEN           0
54
-#define FLOW_RING_STATUS_PENDING        1
54
+#define FLOW_RING_STATUS_CREATE_PENDING	1
5555 #define FLOW_RING_STATUS_CLOSED         2
5656 #define FLOW_RING_STATUS_DELETE_PENDING 3
5757 #define FLOW_RING_STATUS_FLUSH_PENDING  4
58
-#define FLOW_RING_STATUS_STA_FREEING    5
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+
59
+#ifdef IDLE_TX_FLOW_MGMT
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+#define FLOW_RING_STATUS_SUSPENDED	5
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+#define FLOW_RING_STATUS_RESUME_PENDING	6
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+#endif /* IDLE_TX_FLOW_MGMT */
63
+#define FLOW_RING_STATUS_STA_FREEING    7
5964 
6065 #define DHD_FLOWRING_RX_BUFPOST_PKTSZ	2048
66
+#define DHD_FLOWRING_RX_BUFPOST_PKTSZ_MAX 4096
6167 
6268 #define DHD_FLOW_PRIO_AC_MAP		0
6369 #define DHD_FLOW_PRIO_TID_MAP		1
70
+/* Flow ring prority map for lossless roaming */
6471 #define DHD_FLOW_PRIO_LLR_MAP		2
65
-
66
-/* Pkttag not compatible with PROP_TXSTATUS or WLFC */
67
-typedef struct dhd_pkttag_fr {
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-	uint16  flowid;
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-	uint16  ifid;
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-	int     dataoff;
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-	dmaaddr_t physaddr;
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-	uint32 pa_len;
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-
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-} dhd_pkttag_fr_t;
75
-
76
-#define DHD_PKTTAG_SET_FLOWID(tag, flow)    ((tag)->flowid = (uint16)(flow))
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-#define DHD_PKTTAG_SET_IFID(tag, idx)       ((tag)->ifid = (uint16)(idx))
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-#define DHD_PKTTAG_SET_DATAOFF(tag, offset) ((tag)->dataoff = (int)(offset))
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-#define DHD_PKTTAG_SET_PA(tag, pa)          ((tag)->physaddr = (pa))
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-#define DHD_PKTTAG_SET_PA_LEN(tag, palen)   ((tag)->pa_len = (palen))
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-
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-#define DHD_PKTTAG_FLOWID(tag)              ((tag)->flowid)
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-#define DHD_PKTTAG_IFID(tag)                ((tag)->ifid)
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-#define DHD_PKTTAG_DATAOFF(tag)             ((tag)->dataoff)
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-#define DHD_PKTTAG_PA(tag)                  ((tag)->physaddr)
86
-#define DHD_PKTTAG_PA_LEN(tag)              ((tag)->pa_len)
8772 
8873 /* Hashing a MacAddress for lkup into a per interface flow hash table */
8974 #define DHD_FLOWRING_HASH_SIZE    256
....@@ -94,8 +79,24 @@
9479 #define DHD_IF_ROLE(pub, idx)		(((if_flow_lkup_t *)(pub)->if_flow_lkup)[idx].role)
9580 #define DHD_IF_ROLE_AP(pub, idx)	(DHD_IF_ROLE(pub, idx) == WLC_E_IF_ROLE_AP)
9681 #define DHD_IF_ROLE_STA(pub, idx)	(DHD_IF_ROLE(pub, idx) == WLC_E_IF_ROLE_STA)
82
+#define DHD_IF_ROLE_P2PGC(pub, idx)	(DHD_IF_ROLE(pub, idx) == WLC_E_IF_ROLE_P2P_CLIENT)
9783 #define DHD_IF_ROLE_P2PGO(pub, idx)	(DHD_IF_ROLE(pub, idx) == WLC_E_IF_ROLE_P2P_GO)
9884 #define DHD_IF_ROLE_WDS(pub, idx)	(DHD_IF_ROLE(pub, idx) == WLC_E_IF_ROLE_WDS)
85
+#define DHD_IF_ROLE_IBSS(pub, idx)	(DHD_IF_ROLE(pub, idx) == WLC_E_IF_ROLE_IBSS)
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+#ifdef WL_NAN
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+#define DHD_IF_ROLE_NAN(pub, idx)	(DHD_IF_ROLE(pub, idx) == WLC_E_IF_ROLE_NAN)
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+#else
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+#define DHD_IF_ROLE_NAN(pub, idx)	(FALSE)
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+#endif /* WL_NAN */
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+#define DHD_IF_ROLE_AWDL(pub, idx)	(FALSE)
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+
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+#define DHD_IF_ROLE_GENERIC_STA(pub, idx) \
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+	(DHD_IF_ROLE_STA(pub, idx) || DHD_IF_ROLE_P2PGC(pub, idx) || DHD_IF_ROLE_WDS(pub, idx))
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+
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+#define DHD_IF_ROLE_MULTI_CLIENT(pub, idx) \
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+	(DHD_IF_ROLE_AP(pub, idx) || DHD_IF_ROLE_P2PGO(pub, idx) || DHD_IF_ROLE_AWDL(pub, idx) ||\
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+		DHD_IF_ROLE_NAN(pub, idx))
99
+
99100 #define DHD_FLOW_RING(dhdp, flowid) \
100101 	(flow_ring_node_t *)&(((flow_ring_node_t *)((dhdp)->flow_ring_table))[flowid])
101102 
....@@ -162,15 +163,40 @@
162163 #define DHD_FLOW_QUEUE_SET_L2CLEN(queue, grandparent_clen_ptr)  \
163164 	((queue)->l2clen_ptr) = (void *)(grandparent_clen_ptr)
164165 
165
-/*  see wlfc_proto.h for tx status details */
166
-#define DHD_FLOWRING_MAXSTATUS_MSGS	5
167166 #define DHD_FLOWRING_TXSTATUS_CNT_UPDATE(bus, flowid, txstatus)
167
+
168
+/* Pkttag not compatible with PROP_TXSTATUS or WLFC */
169
+typedef struct dhd_pkttag_fr {
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+	uint16  flowid;
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+	uint16  ifid;
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+#ifdef DHD_LB_TXC
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+	int     dataoff;
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+	dmaaddr_t physaddr;
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+	uint32 pa_len;
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+#endif /* DHD_LB_TXC */
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+} dhd_pkttag_fr_t;
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+
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+#define DHD_PKTTAG_SET_IFID(tag, idx)       ((tag)->ifid = (uint16)(idx))
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+#define DHD_PKTTAG_SET_PA(tag, pa)          ((tag)->physaddr = (pa))
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+#define DHD_PKTTAG_SET_PA_LEN(tag, palen)   ((tag)->pa_len = (palen))
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+#define DHD_PKTTAG_IFID(tag)                ((tag)->ifid)
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+#define DHD_PKTTAG_PA(tag)                  ((tag)->physaddr)
184
+#define DHD_PKTTAG_PA_LEN(tag)              ((tag)->pa_len)
185
+
168186 /** each flow ring is dedicated to a tid/sa/da combination */
169187 typedef struct flow_info {
170188 	uint8		tid;
171189 	uint8		ifindex;
172
-	char		sa[ETHER_ADDR_LEN];
173
-	char		da[ETHER_ADDR_LEN];
190
+	uchar		sa[ETHER_ADDR_LEN];
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+	uchar		da[ETHER_ADDR_LEN];
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+#ifdef TX_STATUS_LATENCY_STATS
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+	/* total number of tx_status received on this flowid */
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+	uint64           num_tx_status;
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+	/* cumulative tx_status latency for this flowid */
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+	uint64          cum_tx_status_latency;
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+	/* num tx packets sent on this flowring */
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+	uint64		num_tx_pkts;
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+#endif /* TX_STATUS_LATENCY_STATS */
174200 } flow_info_t;
175201 
176202 /** a flow ring is used for outbound (towards antenna) 802.3 packets */
....@@ -187,6 +213,13 @@
187213 	flow_info_t	flow_info;
188214 	void		*prot_info;
189215 	void		*lock; /* lock for flowring access protection */
216
+
217
+#ifdef IDLE_TX_FLOW_MGMT
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+	uint64		last_active_ts; /* contains last active timestamp */
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+#endif /* IDLE_TX_FLOW_MGMT */
220
+#ifdef DHD_HP2P
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+	bool	hp2p_ring;
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+#endif /* DHD_HP2P */
190223 } flow_ring_node_t;
191224 
192225 typedef flow_ring_node_t flow_ring_table_t;
....@@ -231,10 +264,14 @@
231264 
232265 extern int dhd_flowid_update(dhd_pub_t *dhdp, uint8 ifindex, uint8 prio,
233266                 void *pktbuf);
267
+extern int dhd_flowid_debug_create(dhd_pub_t *dhdp, uint8 ifindex,
268
+	uint8 prio, char *sa, char *da, uint16 *flowid);
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+extern int dhd_flowid_find_by_ifidx(dhd_pub_t *dhdp, uint8 ifidex, uint16 flowid);
234270 
235271 extern void dhd_flowid_free(dhd_pub_t *dhdp, uint8 ifindex, uint16 flowid);
236272 
237273 extern void dhd_flow_rings_delete(dhd_pub_t *dhdp, uint8 ifindex);
274
+extern void dhd_flow_rings_flush(dhd_pub_t *dhdp, uint8 ifindex);
238275 
239276 extern void dhd_flow_rings_delete_for_peer(dhd_pub_t *dhdp, uint8 ifindex,
240277                 char *addr);