61 	struct sk_buff *skb;  in tipc_buf_acquire()  local
64 	skb = alloc_skb_fclone(buf_size, GFP_ATOMIC);  in tipc_buf_acquire()
65 	if (skb) {  in tipc_buf_acquire()
66 		skb_reserve(skb, BUF_HEADROOM);  in tipc_buf_acquire()
67 		skb_put(skb, size);  in tipc_buf_acquire()
68 		skb->next = NULL;  in tipc_buf_acquire()
70 	return skb;  in tipc_buf_acquire()
203 bool tipc_msg_validate(struct sk_buff *skb)  in tipc_msg_validate()  argument
208 	if (unlikely(TIPC_SKB_CB(skb)->validated))  in tipc_msg_validate()
210 	if (unlikely(!pskb_may_pull(skb, MIN_H_SIZE)))  in tipc_msg_validate()
213 	hsz = msg_hdr_sz(buf_msg(skb));  in tipc_msg_validate()
216 	if (unlikely(!pskb_may_pull(skb, hsz)))  in tipc_msg_validate()
219 	msg = buf_msg(skb);  in tipc_msg_validate()
228 	if (unlikely(skb->len < msz))  in tipc_msg_validate()
231 	TIPC_SKB_CB(skb)->validated = true;  in tipc_msg_validate()
255 	struct sk_buff *skb;  in tipc_msg_build()  local
263 		skb = tipc_buf_acquire(msz);  in tipc_msg_build()
264 		if (unlikely(!skb))  in tipc_msg_build()
266 		skb_orphan(skb);  in tipc_msg_build()
267 		__skb_queue_tail(list, skb);  in tipc_msg_build()
268 		skb_copy_to_linear_data(skb, mhdr, mhsz);  in tipc_msg_build()
269 		pktpos = skb->data + mhsz;  in tipc_msg_build()
284 	skb = tipc_buf_acquire(pktmax);  in tipc_msg_build()
285 	if (!skb)  in tipc_msg_build()
287 	skb_orphan(skb);  in tipc_msg_build()
288 	__skb_queue_tail(list, skb);  in tipc_msg_build()
289 	pktpos = skb->data;  in tipc_msg_build()
290 	skb_copy_to_linear_data(skb, &pkthdr, INT_H_SIZE);  in tipc_msg_build()
293 	skb_copy_to_linear_data_offset(skb, INT_H_SIZE, mhdr, mhsz);  in tipc_msg_build()
315 		skb = tipc_buf_acquire(pktsz);  in tipc_msg_build()
316 		if (!skb) {  in tipc_msg_build()
320 		skb_orphan(skb);  in tipc_msg_build()
321 		__skb_queue_tail(list, skb);  in tipc_msg_build()
325 		skb_copy_to_linear_data(skb, &pkthdr, INT_H_SIZE);  in tipc_msg_build()
326 		pktpos = skb->data + INT_H_SIZE;  in tipc_msg_build()
330 	msg_set_type(buf_msg(skb), LAST_FRAGMENT);  in tipc_msg_build()
346 bool tipc_msg_bundle(struct sk_buff *bskb, struct sk_buff *skb, u32 mtu)  in tipc_msg_bundle()  argument
349 	struct tipc_msg *msg = buf_msg(skb);  in tipc_msg_bundle()
376 	skb_copy_to_linear_data_offset(bskb, start, skb->data, msz);  in tipc_msg_bundle()
379 	kfree_skb(skb);  in tipc_msg_bundle()
392 bool tipc_msg_extract(struct sk_buff *skb, struct sk_buff **iskb, int *pos)  in tipc_msg_extract()  argument
398 	if (unlikely(skb_linearize(skb)))  in tipc_msg_extract()
401 	msg = buf_msg(skb);  in tipc_msg_extract()
406 	*iskb = skb_clone(skb, GFP_ATOMIC);  in tipc_msg_extract()
417 	kfree_skb(skb);  in tipc_msg_extract()
432 bool tipc_msg_make_bundle(struct sk_buff **skb, u32 mtu, u32 dnode)  in tipc_msg_make_bundle()  argument
436 	struct tipc_msg *msg = buf_msg(*skb);  in tipc_msg_make_bundle()
460 	tipc_msg_bundle(bskb, *skb, mtu);  in tipc_msg_make_bundle()
461 	*skb = bskb;  in tipc_msg_make_bundle()
515 bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb,  in tipc_msg_lookup_dest()  argument
518 	struct tipc_msg *msg = buf_msg(skb);  in tipc_msg_lookup_dest()
529 	if (skb_linearize(skb))  in tipc_msg_lookup_dest()
552 	struct sk_buff *skb;  in tipc_msg_reassemble()  local
559 		skb = skb_peek(list);  in tipc_msg_reassemble()
560 		hdr_sz = skb_headroom(skb) + msg_hdr_sz(buf_msg(skb));  in tipc_msg_reassemble()
561 		return __pskb_copy(skb, hdr_sz, GFP_ATOMIC);  in tipc_msg_reassemble()
565 	skb_queue_walk(list, skb) {  in tipc_msg_reassemble()
566 		frag = skb_clone(skb, GFP_ATOMIC);  in tipc_msg_reassemble()