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Diffstat (limited to 'include/net/sctp/sctp.h')
-rw-r--r--include/net/sctp/sctp.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index f6e7397e799d..9fbd856e6713 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -320,6 +320,19 @@ static inline sctp_assoc_t sctp_assoc2id(const struct sctp_association *asoc)
return asoc ? asoc->assoc_id : 0;
}
+static inline enum sctp_sstat_state
+sctp_assoc_to_state(const struct sctp_association *asoc)
+{
+ /* SCTP's uapi always had SCTP_EMPTY(=0) as a dummy state, but we
+ * got rid of it in kernel space. Therefore SCTP_CLOSED et al
+ * start at =1 in user space, but actually as =0 in kernel space.
+ * Now that we can not break user space and SCTP_EMPTY is exposed
+ * there, we need to fix it up with an ugly offset not to break
+ * applications. :(
+ */
+ return asoc->state + 1;
+}
+
/* Look up the association by its id. */
struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id);