qcacmn: Changes to create DP ML context

Changes to create DP ML context and associate
with CP MLO manager.

Change-Id: Ic254c883de7c6d6db0fe722a48f0faabbaad0247

dp/inc/cdp_txrx_mlo.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef _CDP_TXRX_MLO_H_
+#define _CDP_TXRX_MLO_H_
+struct cdp_mlo_ctxt;
+
+/**
+ * cdp_ctrl_mlo_mgr - opaque handle for mlo manager context
+ */
+struct cdp_ctrl_mlo_mgr;
+
+struct
+cdp_mlo_ctxt *dp_mlo_ctxt_attach_wifi3(struct cdp_ctrl_mlo_mgr *ctrl_ctxt);
+void dp_mlo_ctxt_detach_wifi3(struct cdp_mlo_ctxt *ml_ctxt);
+
+static inline
+struct cdp_mlo_ctxt *cdp_mlo_ctxt_attach(struct cdp_ctrl_mlo_mgr *ctrl_ctxt)
+{
+	return dp_mlo_ctxt_attach_wifi3(ctrl_ctxt);
+}
+
+static inline
+void cdp_mlo_ctxt_detach(struct cdp_mlo_ctxt *ml_ctxt)
+{
+	dp_mlo_ctxt_detach_wifi3(ml_ctxt);
+}
+#endif /*_CDP_TXRX_MLO_H_*/

dp/wifi3.0/be/dp_be.h

@@ -172,6 +172,9 @@ struct dp_tx_bank_profile {
  * @tx_cc_ctx: Cookie conversion context for tx desc pools
  * @rx_cc_ctx: Cookie conversion context for rx desc pools
  * @monitor_soc_be: BE specific monitor object
+ * @mlo_enabled: Flag to indicate MLO is enabled or not
+ * @ml_ctxt: pointer to global ml_context
+ * @mlo_chip_id: MLO chip_id
  */
 struct dp_soc_be {
 	struct dp_soc soc;
@@ -190,6 +193,11 @@ struct dp_soc_be {
 #if !defined(DISABLE_MON_CONFIG)
 	struct dp_mon_soc_be *monitor_soc_be;
 #endif
+#ifdef WLAN_MLO_MULTI_CHIP
+	uint8_t mlo_enabled;
+	struct dp_mlo_context *ml_context;
+	uint8_t mlo_chip_id;
+#endif
 };
 
 /* convert struct dp_soc_be pointer to struct dp_soc pointer */

dp/wifi3.0/be/mlo/dp_mlo.c

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <wlan_utility.h>
+#include <dp_internal.h>
+#include <dp_htt.h>
+#include <hal_be_api.h>
+#include "dp_mlo.h"
+
+/*
+ * dp_mlo_ctxt_attach_wifi3 () – Attach DP MLO context
+ *
+ * Return: DP MLO context handle on success, NULL on failure
+ */
+struct cdp_mlo_ctxt *
+dp_mlo_ctxt_attach_wifi3(struct cdp_ctrl_mlo_mgr *ctrl_ctxt)
+{
+	struct dp_mlo_ctxt *mlo_ctxt =
+		qdf_mem_malloc(sizeof(struct dp_mlo_ctxt));
+
+	if (!mlo_ctxt) {
+		dp_err("Failed to allocate DP MLO Context");
+		return NULL;
+	}
+
+	mlo_ctxt->ctrl_ctxt = ctrl_ctxt;
+
+	return dp_mlo_ctx_to_cdp(mlo_ctxt);
+}
+
+qdf_export_symbol(dp_mlo_ctxt_attach_wifi3);
+
+/*
+ * dp_mlo_ctxt_detach_wifi3 () – Detach DP MLO context
+ *
+ * @ml_ctxt: pointer to DP MLO context
+ *
+ * Return: void
+ */
+void dp_mlo_ctxt_detach_wifi3(struct cdp_mlo_ctxt *ml_ctxt)
+{
+	qdf_mem_free(ml_ctxt);
+}
+
+qdf_export_symbol(dp_mlo_ctxt_detach_wifi3);
+
+/*
+ * dp_mlo_set_soc_by_chip_id() – Add DP soc to ML context soc list
+ *
+ * @ml_ctxt: DP ML context handle
+ * @soc: DP soc handle
+ * @chip_id: MLO chip id
+ *
+ * Return: void
+ */
+void dp_mlo_set_soc_by_chip_id(struct dp_mlo_ctxt *ml_ctxt,
+			       struct dp_soc *soc,
+			       uint8_t chip_id)
+{
+	qdf_spin_lock_bh(&ml_ctxt->ml_soc_list_lock);
+	ml_ctxt->ml_soc_list[chip_id] = soc;
+	qdf_spin_unlock_bh(&ml_ctxt->ml_soc_list_lock);
+}
+
+/*
+ * dp_mlo_get_soc_ref_by_chip_id() – Get DP soc from DP ML context.
+ * This API will increment a reference count for DP soc. Caller has
+ * to take care for decrementing refcount.
+ *
+ * @ml_ctxt: DP ML context handle
+ * @chip_id: MLO chip id
+ *
+ * Return: dp_soc
+ */
+struct dp_soc*
+dp_mlo_get_soc_ref_by_chip_id(struct dp_mlo_ctxt *ml_ctxt,
+			      uint8_t chip_id)
+{
+	struct dp_soc *soc = NULL;
+
+	qdf_spin_lock_bh(&ml_ctxt->ml_soc_list_lock);
+	qdf_atomic_inc(&soc->ref_count);
+	soc = ml_ctxt->ml_soc_list[chip_id];
+	qdf_spin_unlock_bh(&ml_ctxt->ml_soc_list_lock);
+
+	return soc;
+}

dp/wifi3.0/be/mlo/dp_mlo.h

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef __DP_MLO_H
+#define __DP_MLO_H
+
+#include <dp_types.h>
+#include <dp_be.h>
+
+/* Max number of chips that can participate in MLO */
+#define DP_MAX_MLO_CHIPS 3
+
+/*
+ * dp_mlo_ctxt
+ *
+ * @ctrl_ctxt: opaque handle of cp mlo mgr
+ * @ml_soc_list: list of socs which are mlo enabled. This also maintains
+ *               mlo_chip_id to dp_soc mapping
+ * @ml_soc_list_lock: lock to protect ml_soc_list
+ * @ml_peer_hash: peer hash table for ML peers
+ *           Associated peer with this MAC address)
+ * @ml_peer_hash_lock: lock to protect ml_peer_hash
+ */
+struct dp_mlo_ctxt {
+	struct cdp_ctrl_mlo_mgr *ctrl_ctxt;
+	struct dp_soc *ml_soc_list[DP_MAX_MLO_CHIPS];
+	qdf_spinlock_t ml_soc_list_lock;
+	struct {
+		uint32_t mask;
+		uint32_t idx_bits;
+
+		TAILQ_HEAD(, dp_peer) * bins;
+	} ml_peer_hash;
+
+	qdf_spinlock_t ml_peer_hash_lock;
+};
+
+/**
+ * dp_mlo_ctx_to_cdp() - typecast dp mlo context to CDP context
+ * @mlo_ctxt: DP MLO context
+ *
+ * Return: struct cdp_mlo_ctxt pointer
+ */
+static inline
+struct cdp_mlo_ctxt *dp_mlo_ctx_to_cdp(struct dp_mlo_ctxt *mlo_ctxt)
+{
+	return (struct cdp_mlo_ctxt *)mlo_ctxt;
+}
+
+/**
+ * cdp_mlo_ctx_to_dp() - typecast cdp_soc_t to
+ * dp soc handle
+ * @psoc: CDP psoc handle
+ *
+ * Return: struct dp_soc pointer
+ */
+static inline
+struct dp_mlo_ctxt *cdp_mlo_ctx_to_dp(struct cdp_mlo_ctxt *mlo_ctxt)
+{
+	return (struct dp_mlo_ctxt *)mlo_ctxt;
+}
+#endif /* __DP_MLO_H */

dp/wifi3.0/dp_types.h

@@ -2213,6 +2213,7 @@ struct dp_soc {
 	/* flag to indicate vote for runtime_pm for high tput castt*/
 	qdf_atomic_t rtpm_high_tput_flag;
 #endif
+	qdf_atomic_t ref_count;
 };
 
 #ifdef IPA_OFFLOAD

umac/cmn_services/obj_mgr/inc/wlan_objmgr_global_obj.h

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2016-2019, 2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -556,6 +557,21 @@ struct mlo_mgr_context *wlan_objmgr_get_mlo_ctx(void);
  * Return: None
  */
 void wlan_objmgr_set_mlo_ctx(struct mlo_mgr_context *ctx);
+
+/**
+ * wlan_objmgr_set_dp_mlo_ctx() - set dp handle in mlo context
+ * @dp_handle: Data path module handle
+ *
+ * Return: void
+ */
+void wlan_objmgr_set_dp_mlo_ctx(void *dp_handle);
+
+/**
+ * wlan_objmgr_get_dp_mlo_ctx() - get dp handle from mlo_context
+ *
+ * Return: dp handle
+ */
+void *wlan_objmgr_get_dp_mlo_ctx(void);
 #else
 static inline struct mlo_mgr_context *wlan_objmgr_get_mlo_ctx(void)
 {
@@ -564,6 +580,15 @@ static inline struct mlo_mgr_context *wlan_objmgr_get_mlo_ctx(void)
 
 static inline void wlan_objmgr_set_mlo_ctx(struct mlo_mgr_context *ctx)
 {}
+
+static inline void *wlan_objmgr_get_dp_mlo_ctx(void)
+{
+	return NULL;
+}
+
+static inline void wlan_objmgr_set_dp_mlo_ctx(void *dp_handle)
+{
+}
 #endif /* WLAN_FEATURE_11BE_MLO */
 
 #endif /* _WLAN_OBJMGR_GLOBAL_OBJ_H_*/

umac/cmn_services/obj_mgr/src/wlan_objmgr_global_obj.c

@@ -878,4 +878,28 @@ void wlan_objmgr_set_mlo_ctx(struct mlo_mgr_context *ctx)
 {
 	g_umac_glb_obj->mlo_ctx = ctx;
 }
+
+void wlan_objmgr_set_dp_mlo_ctx(void *dp_handle)
+{
+	struct mlo_mgr_context *mlo_ctx = wlan_objmgr_get_mlo_ctx();
+
+	if (!mlo_ctx)
+		return;
+
+	mlo_ctx->dp_handle = dp_handle;
+}
+
+qdf_export_symbol(wlan_objmgr_set_dp_mlo_ctx);
+
+void *wlan_objmgr_get_dp_mlo_ctx(void)
+{
+	struct mlo_mgr_context *mlo_ctx = wlan_objmgr_get_mlo_ctx();
+
+	if (!mlo_ctx)
+		return NULL;
+
+	return mlo_ctx->dp_handle;
+}
+
+qdf_export_symbol(wlan_objmgr_get_dp_mlo_ctx);
 #endif

umac/mlo_mgr/inc/wlan_mlo_mgr_cmn.h

@@ -287,6 +287,7 @@ struct hw_link_id_iterator {
 struct wlan_objmgr_pdev *
 wlan_mlo_get_pdev_by_hw_link_id(uint16_t hw_link_id,
 				wlan_objmgr_ref_dbgid refdbgid);
+
 #else
 static inline struct wlan_objmgr_pdev *
 wlan_mlo_get_pdev_by_hw_link_id(uint16_t hw_link_id,

umac/mlo_mgr/inc/wlan_mlo_mgr_public_structs.h

@@ -79,6 +79,7 @@ struct mlo_setup_info {
  * @msgq_ctx: Context switch mgr
  * @mlo_is_force_primary_umac: Force Primary UMAC enable
  * @mlo_forced_primary_umac_id: Force Primary UMAC ID
+ * @dp_handle: pointer to DP ML context
  */
 struct mlo_mgr_context {
 #ifdef WLAN_MLO_USE_SPINLOCK
@@ -98,6 +99,7 @@ struct mlo_mgr_context {
 	struct ctxt_switch_mgr *msgq_ctx;
 	bool mlo_is_force_primary_umac;
 	uint8_t mlo_forced_primary_umac_id;
+	void *dp_handle;
 };
 
 /*