1 files changed, 64 insertions, 13 deletions

diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 0daa6f04ca81..6d466ebdb64f 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -102,16 +102,42 @@ struct plist;
 #define TIPC_MEDIA_INFO_OFFSET	5
 
 struct tipc_skb_cb {
-	struct sk_buff *tail;
-	unsigned long nxt_retr;
-	unsigned long retr_stamp;
-	u32 bytes_read;
-	u32 orig_member;
-	u16 chain_imp;
-	u16 ackers;
-	u16 retr_cnt;
-	bool validated;
-};
+	union {
+		struct {
+			struct sk_buff *tail;
+			unsigned long nxt_retr;
+			unsigned long retr_stamp;
+			u32 bytes_read;
+			u32 orig_member;
+			u16 chain_imp;
+			u16 ackers;
+			u16 retr_cnt;
+		} __packed;
+#ifdef CONFIG_TIPC_CRYPTO
+		struct {
+			struct tipc_crypto *rx;
+			struct tipc_aead *last;
+			u8 recurs;
+		} tx_clone_ctx __packed;
+#endif
+	} __packed;
+	union {
+		struct {
+			u8 validated:1;
+#ifdef CONFIG_TIPC_CRYPTO
+			u8 encrypted:1;
+			u8 decrypted:1;
+			u8 probe:1;
+			u8 tx_clone_deferred:1;
+#endif
+		};
+		u8 flags;
+	};
+	u8 reserved;
+#ifdef CONFIG_TIPC_CRYPTO
+	void *crypto_ctx;
+#endif
+} __packed;
 
 #define TIPC_SKB_CB(__skb) ((struct tipc_skb_cb *)&((__skb)->cb[0]))
 
@@ -290,6 +316,16 @@ static inline void msg_set_src_droppable(struct tipc_msg *m, u32 d)
 	msg_set_bits(m, 0, 18, 1, d);
 }
 
+static inline int msg_ack_required(struct tipc_msg *m)
+{
+	return msg_bits(m, 0, 18, 1);
+}
+
+static inline void msg_set_ack_required(struct tipc_msg *m, u32 d)
+{
+	msg_set_bits(m, 0, 18, 1, d);
+}
+
 static inline bool msg_is_rcast(struct tipc_msg *m)
 {
 	return msg_bits(m, 0, 18, 0x1);
@@ -1026,6 +1062,20 @@ static inline bool msg_is_reset(struct tipc_msg *hdr)
 	return (msg_user(hdr) == LINK_PROTOCOL) && (msg_type(hdr) == RESET_MSG);
 }
 
+/* Word 13
+ */
+static inline void msg_set_peer_net_hash(struct tipc_msg *m, u32 n)
+{
+	msg_set_word(m, 13, n);
+}
+
+static inline u32 msg_peer_net_hash(struct tipc_msg *m)
+{
+	return msg_word(m, 13);
+}
+
+/* Word 14
+ */
 static inline u32 msg_sugg_node_addr(struct tipc_msg *m)
 {
 	return msg_word(m, 14);
@@ -1057,14 +1107,15 @@ struct sk_buff *tipc_msg_create(uint user, uint type, uint hdr_sz,
 				uint data_sz, u32 dnode, u32 onode,
 				u32 dport, u32 oport, int errcode);
 int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf);
-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_try_bundle(struct sk_buff *tskb, struct sk_buff **skb, u32 mss,
+			 u32 dnode, bool *new_bundle);
 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);
+int tipc_msg_append(struct tipc_msg *hdr, struct msghdr *m, int dlen,
+		    int mss, struct sk_buff_head *txq);
 bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb, int *err);
 bool tipc_msg_assemble(struct sk_buff_head *list);
 bool tipc_msg_reassemble(struct sk_buff_head *list, struct sk_buff_head *rcvq);