Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas...

[~andy/linux] / net / dccp / ackvec.h

diff --git a/net/dccp/ackvec.h b/net/dccp/ackvec.h
index e19b8d5ee05f761b6c8f88af273e915b481cc2af..e2ab0627a5ff6c2a63d35cf7641e6ac5dbbd5f4e 100644 (file)
--- a/net/dccp/ackvec.h
+++ b/net/dccp/ackvec.h
@@ -114,4 +114,23 @@ static inline bool dccp_ackvec_is_empty(const struct dccp_ackvec *av)
 {
        return av->av_overflow == 0 && av->av_buf_head == av->av_buf_tail;
 }
+
+/**
+ * struct dccp_ackvec_parsed  -  Record offsets of Ack Vectors in skb
+ * @vec:       start of vector (offset into skb)
+ * @len:       length of @vec
+ * @nonce:     whether @vec had an ECN nonce of 0 or 1
+ * @node:      FIFO - arranged in descending order of ack_ackno
+ * This structure is used by CCIDs to access Ack Vectors in a received skb.
+ */
+struct dccp_ackvec_parsed {
+       u8               *vec,
+                        len,
+                        nonce:1;
+       struct list_head node;
+};
+
+extern int dccp_ackvec_parsed_add(struct list_head *head,
+                                 u8 *vec, u8 len, u8 nonce);
+extern void dccp_ackvec_parsed_cleanup(struct list_head *parsed_chunks);
 #endif /* _ACKVEC_H */