qcacld-3.0: Add sysfs entry for the ipaucstat

Add the sysfs entry for the ipaucstat.

Previously ipaucstat would be queried via iwpriv
--> iwpriv wlan0 ipaucstat 1

it is now changed to support via sysfs:
--> echo "1" > /sys/class/net/wlanxx/ipaucstat

Change-Id: I5a3195a36cd2d7252eb3ef0312545d338b40d3ec
CRs-Fixed: 2676440

core/hdd/inc/wlan_hdd_sysfs_ipa.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2011-2020, The Linux Foundation. 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 WLAN_HDD_SYSFS_IPA_H
+#define WLAN_HDD_SYSFS_IPA_H
+
+#if defined(WLAN_SYSFS) && defined(IPA_OFFLOAD)
+
+enum ipa_debug_cmd {
+	IPA_UC_STAT = 1,
+	IPA_UC_INFO,
+	IPA_UC_RT_DEBUG_HOST_DUMP,
+	IPA_DUMP_INFO,
+};
+
+/**
+ * hdd_sysfs_ipa_create(): Initialize ipa specific sysfs file
+ * @adapter: os if adapter
+ *
+ * Function to initialize ipa specific mode syfs files.
+ *
+ * Return: NONE
+ */
+void hdd_sysfs_ipa_create(struct hdd_adapter *adapter);
+
+/**
+ * hdd_sysfs_ipa_destroy(): Remove ipucstat specific sysfs file
+ * @adapter: os if adapter
+ *
+ * Function to remove ipa specific mode syfs files.
+ *
+ * Return: NONE
+ */
+void hdd_sysfs_ipa_destroy(struct hdd_adapter *adapter);
+#else
+static inline
+void hdd_sysfs_ipa_create(struct hdd_adapter *adapter)
+{
+}
+
+static inline
+void hdd_sysfs_ipa_destroy(struct hdd_adapter *adapter)
+{
+}
+#endif
+#endif