[SCTP]: API updates to suport SCTP-AUTH extensions.

Add SCTP-AUTH API.  The API implemented here was
agreed to between implementors at the 9th SCTP Interop.
It will be documented in the next revision of the
SCTP socket API spec.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 16 insertions, 0 deletions

diff --git a/include/net/sctp/auth.h b/include/net/sctp/auth.h
index 10c8010552ff..4945954a16af 100644
--- a/include/net/sctp/auth.h
+++ b/include/net/sctp/auth.h
@@ -43,6 +43,7 @@
 struct sctp_endpoint;
 struct sctp_association;
 struct sctp_authkey;
+struct sctp_hmacalgo;
 
 /*
  * Define a generic struct that will hold all the info
@@ -109,4 +110,19 @@ int sctp_auth_recv_cid(sctp_cid_t chunk, const struct sctp_association *asoc);
 void sctp_auth_calculate_hmac(const struct sctp_association *asoc,
                             struct sk_buff *skb,
                             struct sctp_auth_chunk *auth, gfp_t gfp);
+
+/* API Helpers */
+int sctp_auth_ep_add_chunkid(struct sctp_endpoint *ep, __u8 chunk_id);
+int sctp_auth_ep_set_hmacs(struct sctp_endpoint *ep,
+                            struct sctp_hmacalgo *hmacs);
+int sctp_auth_set_key(struct sctp_endpoint *ep,
+                      struct sctp_association *asoc,
+                      struct sctp_authkey *auth_key);
+int sctp_auth_set_active_key(struct sctp_endpoint *ep,
+                      struct sctp_association *asoc,
+                      __u16 key_id);
+int sctp_auth_del_key_id(struct sctp_endpoint *ep,
+                      struct sctp_association *asoc,
+                      __u16 key_id);
+
 #endif