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| author |   Tuong Lien <tuong.t.lien@dektech.com.au> | 2019-11-08 12:05:10 +0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-11-08 14:01:59 -0800 |
| commit | 134bdac397661a5841d9f27f508190c68b26232b (patch) | |
| tree | d5e8918afd17d2f42f7df76be95bedcb7cb7a31c | |
| parent | tipc: enable creating a "preliminary" node (diff) | |
| download | linux-dev-134bdac397661a5841d9f27f508190c68b26232b.tar.xz linux-dev-134bdac397661a5841d9f27f508190c68b26232b.zip | |
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>
| -rw-r--r-- | include/uapi/linux/tipc.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/uapi/linux/tipc.h b/include/uapi/linux/tipc.h index 76421b878767..add01db1daef 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: */ |