From 134bdac397661a5841d9f27f508190c68b26232b Mon Sep 17 00:00:00 2001
From: Tuong Lien <tuong.t.lien@dektech.com.au>
Date: Fri, 8 Nov 2019 12:05:10 +0700
Subject: [PATCH] tipc: add new AEAD key structure for user API
The new structure 'tipc_aead_key' is added to the 'tipc.h' for user to
be able to transfer a key to TIPC in kernel. Netlink will be used for
this purpose in the later commits.
Acked-by: Ying Xue <ying.xue@windreiver.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/uapi/linux/tipc.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/include/uapi/linux/tipc.h b/include/uapi/linux/tipc.h
index 76421b8787677..add01db1daeff 100644
--- a/include/uapi/linux/tipc.h
+++ b/include/uapi/linux/tipc.h
@@ -233,6 +233,27 @@ struct tipc_sioc_nodeid_req {
char node_id[TIPC_NODEID_LEN];
};
+/*
+ * TIPC Crypto, AEAD
+ */
+#define TIPC_AEAD_ALG_NAME (32)
+
+struct tipc_aead_key {
+ char alg_name[TIPC_AEAD_ALG_NAME];
+ unsigned int keylen; /* in bytes */
+ char key[];
+};
+
+#define TIPC_AEAD_KEYLEN_MIN (16 + 4)
+#define TIPC_AEAD_KEYLEN_MAX (32 + 4)
+#define TIPC_AEAD_KEY_SIZE_MAX (sizeof(struct tipc_aead_key) + \
+ TIPC_AEAD_KEYLEN_MAX)
+
+static inline int tipc_aead_key_size(struct tipc_aead_key *key)
+{
+ return sizeof(*key) + key->keylen;
+}
+
/* The macros and functions below are deprecated:
*/
--
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