1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_table.h b/drivers/net/ipa/ipa_table.h
new file mode 100644
index 000000000..395189f75
--- /dev/null
+++ b/drivers/net/ipa/ipa_table.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2019-2022 Linaro Ltd.
+ */
+#ifndef _IPA_TABLE_H_
+#define _IPA_TABLE_H_
+
+#include <linux/types.h>
+
+struct ipa;
+
+/* The maximum number of filter table entries (IPv4, IPv6; hashed or not) */
+#define IPA_FILTER_COUNT_MAX	14
+
+/* The number of route table entries allotted to the modem */
+#define IPA_ROUTE_MODEM_COUNT	8
+
+/* The maximum number of route table entries (IPv4, IPv6; hashed or not) */
+#define IPA_ROUTE_COUNT_MAX	15
+
+/**
+ * ipa_table_valid() - Validate route and filter table memory regions
+ * @ipa:	IPA pointer
+ *
+ * Return:	true if all regions are valid, false otherwise
+ */
+bool ipa_table_valid(struct ipa *ipa);
+
+/**
+ * ipa_filter_map_valid() - Validate a filter table endpoint bitmap
+ * @ipa:	IPA pointer
+ * @filter_mask: Filter table endpoint bitmap to check
+ *
+ * Return:	true if all regions are valid, false otherwise
+ */
+bool ipa_filter_map_valid(struct ipa *ipa, u32 filter_mask);
+
+/**
+ * ipa_table_hash_support() - Return true if hashed tables are supported
+ * @ipa:	IPA pointer
+ */
+static inline bool ipa_table_hash_support(struct ipa *ipa)
+{
+	return ipa->version != IPA_VERSION_4_2;
+}
+
+/**
+ * ipa_table_reset() - Reset filter and route tables entries to "none"
+ * @ipa:	IPA pointer
+ * @modem:	Whether to reset modem or AP entries
+ */
+void ipa_table_reset(struct ipa *ipa, bool modem);
+
+/**
+ * ipa_table_hash_flush() - Synchronize hashed filter and route updates
+ * @ipa:	IPA pointer
+ */
+int ipa_table_hash_flush(struct ipa *ipa);
+
+/**
+ * ipa_table_setup() - Set up filter and route tables
+ * @ipa:	IPA pointer
+ *
+ * There is no need for a matching ipa_table_teardown() function.
+ */
+int ipa_table_setup(struct ipa *ipa);
+
+/**
+ * ipa_table_config() - Configure filter and route tables
+ * @ipa:	IPA pointer
+ *
+ * There is no need for a matching ipa_table_deconfig() function.
+ */
+void ipa_table_config(struct ipa *ipa);
+
+/**
+ * ipa_table_init() - Do early initialization of filter and route tables
+ * @ipa:	IPA pointer
+ */
+int ipa_table_init(struct ipa *ipa);
+
+/**
+ * ipa_table_exit() - Inverse of ipa_table_init()
+ * @ipa:	IPA pointer
+ */
+void ipa_table_exit(struct ipa *ipa);
+
+#endif /* _IPA_TABLE_H_ */