1 files changed, 32 insertions, 4 deletions

diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index da509f0eb9ca..0daa6f04ca81 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -102,13 +102,15 @@ struct plist;
 #define TIPC_MEDIA_INFO_OFFSET	5
 
 struct tipc_skb_cb {
-	u32 bytes_read;
-	u32 orig_member;
 	struct sk_buff *tail;
 	unsigned long nxt_retr;
-	bool validated;
+	unsigned long retr_stamp;
+	u32 bytes_read;
+	u32 orig_member;
 	u16 chain_imp;
 	u16 ackers;
+	u16 retr_cnt;
+	bool validated;
 };
 
 #define TIPC_SKB_CB(__skb) ((struct tipc_skb_cb *)&((__skb)->cb[0]))
@@ -721,12 +723,26 @@ static inline void msg_set_last_bcast(struct tipc_msg *m, u32 n)
 	msg_set_bits(m, 4, 16, 0xffff, n);
 }
 
+static inline u32 msg_nof_fragms(struct tipc_msg *m)
+{
+	return msg_bits(m, 4, 0, 0xffff);
+}
+
+static inline void msg_set_nof_fragms(struct tipc_msg *m, u32 n)
+{
+	msg_set_bits(m, 4, 0, 0xffff, n);
+}
+
+static inline u32 msg_fragm_no(struct tipc_msg *m)
+{
+	return msg_bits(m, 4, 16, 0xffff);
+}
+
 static inline void msg_set_fragm_no(struct tipc_msg *m, u32 n)
 {
 	msg_set_bits(m, 4, 16, 0xffff, n);
 }
 
-
 static inline u16 msg_next_sent(struct tipc_msg *m)
 {
 	return msg_bits(m, 4, 0, 0xffff);
@@ -877,6 +893,16 @@ static inline void msg_set_msgcnt(struct tipc_msg *m, u16 n)
 	msg_set_bits(m, 9, 16, 0xffff, n);
 }
 
+static inline u16 msg_syncpt(struct tipc_msg *m)
+{
+	return msg_bits(m, 9, 16, 0xffff);
+}
+
+static inline void msg_set_syncpt(struct tipc_msg *m, u16 n)
+{
+	msg_set_bits(m, 9, 16, 0xffff, n);
+}
+
 static inline u32 msg_conn_ack(struct tipc_msg *m)
 {
 	return msg_bits(m, 9, 16, 0xffff);
@@ -1035,6 +1061,8 @@ bool tipc_msg_bundle(struct sk_buff *skb, struct tipc_msg *msg, u32 mtu);
 bool tipc_msg_make_bundle(struct sk_buff **skb, struct tipc_msg *msg,
 			  u32 mtu, u32 dnode);
 bool tipc_msg_extract(struct sk_buff *skb, struct sk_buff **iskb, int *pos);
+int tipc_msg_fragment(struct sk_buff *skb, const struct tipc_msg *hdr,
+		      int pktmax, struct sk_buff_head *frags);
 int tipc_msg_build(struct tipc_msg *mhdr, struct msghdr *m,
 		   int offset, int dsz, int mtu, struct sk_buff_head *list);
 bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb, int *err);