qcacmn: Add vdev delete notify callback

Add vdev delete notify callback for DP vdev, which
is called when dp_vdev is freed. This will notify
the osif/non-cmn dp layer upon dp_vdev delete.

Change-Id: I22110ebd048066e84644c04b4903c50dd61c61a4
CRs-Fixed: 3696638

dp/inc/cdp_txrx_cmn_struct.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2011-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2024 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
@@ -1195,6 +1195,7 @@ typedef QDF_STATUS(*ol_txrx_get_tsf_time)(void *osif_dev, uint64_t input_time,
  * @get_key: function pointer to get key of the peer with
  * specific key index
  * @get_tsf_time: function pointer to get TSF
+ * @vdev_del_notify: vdev delete notifier
  */
 struct ol_txrx_ops {
 	struct {
@@ -1227,6 +1228,7 @@ struct ol_txrx_ops {
 
 	ol_txrx_get_key_fp  get_key;
 	ol_txrx_get_tsf_time get_tsf_time;
+	ol_txrx_vdev_delete_cb vdev_del_notify;
 };
 
 /**

dp/wifi3.0/dp_main.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2024 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
@@ -4984,6 +4984,7 @@ static QDF_STATUS dp_vdev_register_wifi3(struct cdp_soc_t *soc_hdl,
 #endif
 	vdev->me_convert = txrx_ops->me_convert;
 	vdev->get_tsf_time = txrx_ops->get_tsf_time;
+	vdev->vdev_del_notify = txrx_ops->vdev_del_notify;
 
 	dp_vdev_register_rx_eapol(vdev, txrx_ops);
 
@@ -6339,6 +6340,8 @@ void dp_vdev_unref_delete(struct dp_soc *soc, struct dp_vdev *vdev,
 {
 	ol_txrx_vdev_delete_cb vdev_delete_cb = NULL;
 	void *vdev_delete_context = NULL;
+	ol_txrx_vdev_delete_cb vdev_del_notify = NULL;
+	void *vdev_del_noitfy_ctx = NULL;
 	uint8_t vdev_id = vdev->vdev_id;
 	struct dp_pdev *pdev = vdev->pdev;
 	struct dp_vdev *tmp_vdev = NULL;
@@ -6361,8 +6364,12 @@ void dp_vdev_unref_delete(struct dp_soc *soc, struct dp_vdev *vdev,
 	vdev_delete_cb = vdev->delete.callback;
 	vdev_delete_context = vdev->delete.context;
 
-	dp_info("deleting vdev object %pK ("QDF_MAC_ADDR_FMT")- its last peer is done",
+	vdev_del_notify = vdev->vdev_del_notify;
-		vdev, QDF_MAC_ADDR_REF(vdev->mac_addr.raw));
+	vdev_del_noitfy_ctx = vdev->osif_vdev;
+
+	dp_info("deleting vdev object %pK (" QDF_MAC_ADDR_FMT ")%s",
+		vdev, QDF_MAC_ADDR_REF(vdev->mac_addr.raw),
+		vdev_del_notify ? " with del_notify" : "");
 
 	if (wlan_op_mode_monitor == vdev->opmode) {
 		dp_monitor_vdev_delete(soc, vdev);
@@ -6394,8 +6401,6 @@ free_vdev:
 
 	dp_cfg_event_record_vdev_evt(soc, DP_CFG_EVENT_VDEV_UNREF_DEL,
 				     vdev);
-	dp_info("deleting vdev object %pK ("QDF_MAC_ADDR_FMT")",
-		vdev, QDF_MAC_ADDR_REF(vdev->mac_addr.raw));
 	wlan_minidump_remove(vdev, sizeof(*vdev), soc->ctrl_psoc,
 			     WLAN_MD_DP_VDEV, "dp_vdev");
 	qdf_mem_free(vdev);
@@ -6403,6 +6408,9 @@ free_vdev:
 
 	if (vdev_delete_cb)
 		vdev_delete_cb(vdev_delete_context);
+
+	if (vdev_del_notify)
+		vdev_del_notify(vdev_del_noitfy_ctx);
 }
 
 qdf_export_symbol(dp_vdev_unref_delete);

dp/wifi3.0/dp_types.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2024 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
@@ -4099,6 +4099,9 @@ struct dp_vdev {
 	/* callback to classify critical packets */
 	ol_txrx_classify_critical_pkt_fp tx_classify_critical_pkt_cb;
 
+	/* delete notifier to DP component */
+	ol_txrx_vdev_delete_cb vdev_del_notify;
+
 	/* deferred vdev deletion state */
 	struct {
 		/* VDEV delete pending */