32 lowpan_addr_info *lowpan_skb_priv(const struct sk_buff *skb)  in lowpan_skb_priv()  argument
34 	WARN_ON_ONCE(skb_headroom(skb) < sizeof(struct lowpan_addr_info));  in lowpan_skb_priv()
35 	return (struct lowpan_addr_info *)(skb->data -  in lowpan_skb_priv()
39 int lowpan_header_create(struct sk_buff *skb, struct net_device *dev,  in lowpan_header_create()  argument
59 	info = lowpan_skb_priv(skb);  in lowpan_header_create()
73 lowpan_alloc_frag(struct sk_buff *skb, int size,  in lowpan_alloc_frag()  argument
76 	struct net_device *real_dev = lowpan_dev_info(skb->dev)->real_dev;  in lowpan_alloc_frag()
86 		frag->priority = skb->priority;  in lowpan_alloc_frag()
89 		*mac_cb(frag) = *mac_cb(skb);  in lowpan_alloc_frag()
105 lowpan_xmit_fragment(struct sk_buff *skb, const struct ieee802154_hdr *wpan_hdr,  in lowpan_xmit_fragment()  argument
113 	frag = lowpan_alloc_frag(skb, frag_hdrlen + len, wpan_hdr);  in lowpan_xmit_fragment()
118 	memcpy(skb_put(frag, len), skb_network_header(skb) + offset, len);  in lowpan_xmit_fragment()
126 lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev,  in lowpan_xmit_fragmented()  argument
135 	dgram_size = lowpan_uncompress_size(skb, &dgram_offset) -  in lowpan_xmit_fragmented()
136 		     skb->mac_len;  in lowpan_xmit_fragmented()
147 			      skb_network_header_len(skb), 8);  in lowpan_xmit_fragmented()
149 	skb_offset = skb_network_header_len(skb);  in lowpan_xmit_fragmented()
150 	skb_unprocessed = skb->len - skb->mac_len - skb_offset;  in lowpan_xmit_fragmented()
152 	rc = lowpan_xmit_fragment(skb, wpan_hdr, frag_hdr,  in lowpan_xmit_fragmented()
154 				  frag_len + skb_network_header_len(skb));  in lowpan_xmit_fragmented()
173 		rc = lowpan_xmit_fragment(skb, wpan_hdr, frag_hdr,  in lowpan_xmit_fragmented()
183 	consume_skb(skb);  in lowpan_xmit_fragmented()
187 	kfree_skb(skb);  in lowpan_xmit_fragmented()
191 static int lowpan_header(struct sk_buff *skb, struct net_device *dev)  in lowpan_header()  argument
194 	struct ieee802154_mac_cb *cb = mac_cb_init(skb);  in lowpan_header()
198 	memcpy(&info, lowpan_skb_priv(skb), sizeof(info));  in lowpan_header()
204 	lowpan_header_compress(skb, dev, ETH_P_IPV6, daddr, saddr, skb->len);  in lowpan_header()
229 	return dev_hard_header(skb, lowpan_dev_info(dev)->real_dev,  in lowpan_header()
233 netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev)  in lowpan_xmit()  argument
243 	skb = skb_unshare(skb, GFP_ATOMIC);  in lowpan_xmit()
244 	if (!skb)  in lowpan_xmit()
247 	ret = lowpan_header(skb, dev);  in lowpan_xmit()
249 		kfree_skb(skb);  in lowpan_xmit()
253 	if (ieee802154_hdr_peek(skb, &wpan_hdr) < 0) {  in lowpan_xmit()
254 		kfree_skb(skb);  in lowpan_xmit()
260 	if (skb_tail_pointer(skb) - skb_network_header(skb) <= max_single) {  in lowpan_xmit()
261 		skb->dev = lowpan_dev_info(dev)->real_dev;  in lowpan_xmit()
262 		return dev_queue_xmit(skb);  in lowpan_xmit()
267 		rc = lowpan_xmit_fragmented(skb, dev, &wpan_hdr);  in lowpan_xmit()