tipc: cleanup core.c and core.h files

Only the works of initializing and shutting down tipc module are done
in core.h and core.c files, so all stuffs which are not closely
associated with the two tasks should be moved to appropriate places.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Tested-by: Tero Aho <Tero.Aho@coriant.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 29 insertions, 8 deletions

diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 1a52f7cf3cd3..0065a2e8ad9b 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -77,10 +77,38 @@
 
 #define TIPC_MEDIA_ADDR_OFFSET	5
 
+/**
+ * TIPC message buffer code
+ *
+ * TIPC message buffer headroom reserves space for the worst-case
+ * link-level device header (in case the message is sent off-node).
+ *
+ * Note: Headroom should be a multiple of 4 to ensure the TIPC header fields
+ *       are word aligned for quicker access
+ */
+#define BUF_HEADROOM LL_MAX_HEADER
+
+struct tipc_skb_cb {
+	void *handle;
+	struct sk_buff *tail;
+	bool deferred;
+	bool wakeup_pending;
+	bool bundling;
+	u16 chain_sz;
+	u16 chain_imp;
+};
+
+#define TIPC_SKB_CB(__skb) ((struct tipc_skb_cb *)&((__skb)->cb[0]))
+
 struct tipc_msg {
 	__be32 hdr[15];
 };
 
+static inline struct tipc_msg *buf_msg(struct sk_buff *skb)
+{
+	return (struct tipc_msg *)skb->data;
+}
+
 static inline u32 msg_word(struct tipc_msg *m, u32 pos)
 {
 	return ntohl(m->hdr[pos]);
@@ -719,27 +747,20 @@ static inline u32 msg_tot_origport(struct tipc_msg *m)
 	return msg_origport(m);
 }
 
+struct sk_buff *tipc_buf_acquire(u32 size);
 bool tipc_msg_reverse(struct sk_buff *buf, u32 *dnode, int err);
-
 int tipc_msg_eval(struct sk_buff *buf, u32 *dnode);
-
 void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, u32 hsize,
 		   u32 destnode);
-
 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_head *list, struct sk_buff *skb, u32 mtu);
-
 bool tipc_msg_make_bundle(struct sk_buff_head *list, struct sk_buff *skb,
 			  u32 mtu, u32 dnode);
-
 int tipc_msg_build(struct tipc_msg *mhdr, struct msghdr *m, int offset,
 		   int dsz, int mtu, struct sk_buff_head *list);
-
 struct sk_buff *tipc_msg_reassemble(struct sk_buff_head *list);
 
 #endif