qcacmn: Add qdf API for dev_hold

Add qdf API for dev_hold

Change-Id: I585e6781718fd55e8359906e5355f068376406c2
CRs-Fixed: 3579431

dp/wifi3.0/dp_tx.c

@@ -2032,7 +2032,7 @@ is_nbuf_frm_rmnet(qdf_nbuf_t nbuf, struct dp_tx_msdu_info_s *msdu_info)
 		return false;
 
 	if ((ingress_dev->priv_flags & IFF_PHONY_HEADROOM)) {
-		dev_put(ingress_dev);
+		qdf_net_if_release_dev((struct qdf_net_if *)ingress_dev);
 		frag = &(skb_shinfo(nbuf)->frags[0]);
 		buf_len = skb_frag_size(frag);
 		payload_addr = (uint8_t *)skb_frag_address(frag);
@@ -2048,7 +2048,7 @@ is_nbuf_frm_rmnet(qdf_nbuf_t nbuf, struct dp_tx_msdu_info_s *msdu_info)
 
 		return true;
 	}
-	dev_put(ingress_dev);
+	qdf_net_if_release_dev((struct qdf_net_if *)ingress_dev);
 	return false;
 }
 

qdf/inc/qdf_net_if.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2014-2020 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023 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
@@ -65,6 +65,17 @@ qdf_net_if_get_dev_by_name(char *nif_name);
 QDF_STATUS
 qdf_net_if_release_dev(struct qdf_net_if *nif);
 
+/**
+ * qdf_net_if_hold_dev() - Hold reference to network device
+ * @nif: network device
+ *
+ * This function holds reference to the network device
+ *
+ * Return: QDF_STATUS_SUCCESS on success
+ */
+QDF_STATUS
+qdf_net_if_hold_dev(struct qdf_net_if *nif);
+
 /**
  * qdf_napi_enable() - Enable the napi schedule
  * @napi: NAPI context
@@ -138,6 +149,12 @@ qdf_net_if_release_dev(struct qdf_net_if *nif)
 	return __qdf_net_if_release_dev(nif);
 }
 
+static inline QDF_STATUS
+qdf_net_if_hold_dev(struct qdf_net_if *nif)
+{
+	return __qdf_net_if_hold_dev(nif);
+}
+
 /**
  * qdf_net_update_net_device_dev_addr() - update net_device dev_addr
  * @ndev: net_device

qdf/linux/src/i_qdf_net_if.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023 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
@@ -86,6 +86,25 @@ __qdf_net_if_release_dev(struct qdf_net_if  *nif)
 	return QDF_STATUS_SUCCESS;
 }
 
+/**
+ * __qdf_net_if_hold_dev() - hold reference to network device
+ * @nif: network device
+ *
+ * This function holds reference to the network device
+ *
+ * Return: QDF_STATUS_SUCCESS on success
+ */
+static inline QDF_STATUS
+__qdf_net_if_hold_dev(struct qdf_net_if  *nif)
+{
+	if (!nif)
+		return QDF_STATUS_E_INVAL;
+
+	dev_hold((struct net_device *)nif);
+
+	return QDF_STATUS_SUCCESS;
+}
+
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 17, 0))
 /**
  * __qdf_net_update_net_device_dev_addr() - update net_device dev_addr

qdf/linux/src/qdf_net_if.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2018,2020 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 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
@@ -89,6 +89,14 @@ qdf_net_if_release_dev(struct qdf_net_if  *nif)
 
 qdf_export_symbol(qdf_net_if_release_dev);
 
+QDF_STATUS
+qdf_net_if_hold_dev(struct qdf_net_if  *nif)
+{
+	return __qdf_net_if_hold_dev(nif);
+}
+
+qdf_export_symbol(qdf_net_if_hold_dev);
+
 /**
  * qdf_net_update_net_device_dev_addr() - update net_device dev_addr
  * @ndev: net_device