36 lowpan_addr_info *lowpan_skb_priv(const struct sk_buff *skb)  in lowpan_skb_priv()  argument
38 	WARN_ON_ONCE(skb_headroom(skb) < sizeof(struct lowpan_addr_info));  in lowpan_skb_priv()
39 	return (struct lowpan_addr_info *)(skb->data -  in lowpan_skb_priv()
50 int lowpan_header_create(struct sk_buff *skb, struct net_device *ldev,  in lowpan_header_create()  argument
70 	info = lowpan_skb_priv(skb);  in lowpan_header_create()
84 lowpan_alloc_frag(struct sk_buff *skb, int size,  in lowpan_alloc_frag()  argument
87 	struct net_device *wdev = lowpan_dev_info(skb->dev)->wdev;  in lowpan_alloc_frag()
96 		frag->priority = skb->priority;  in lowpan_alloc_frag()
99 		*mac_cb(frag) = *mac_cb(skb);  in lowpan_alloc_frag()
102 			memcpy(skb_put(frag, skb->mac_len),  in lowpan_alloc_frag()
103 			       skb_mac_header(skb), skb->mac_len);  in lowpan_alloc_frag()
121 lowpan_xmit_fragment(struct sk_buff *skb, const struct ieee802154_hdr *wpan_hdr,  in lowpan_xmit_fragment()  argument
129 	frag = lowpan_alloc_frag(skb, frag_hdrlen + len, wpan_hdr, frag1);  in lowpan_xmit_fragment()
134 	memcpy(skb_put(frag, len), skb_network_header(skb) + offset, len);  in lowpan_xmit_fragment()
142 lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *ldev,  in lowpan_xmit_fragmented()  argument
161 			      skb_network_header_len(skb), 8);  in lowpan_xmit_fragmented()
163 	skb_offset = skb_network_header_len(skb);  in lowpan_xmit_fragmented()
164 	skb_unprocessed = skb->len - skb->mac_len - skb_offset;  in lowpan_xmit_fragmented()
166 	rc = lowpan_xmit_fragment(skb, wpan_hdr, frag_hdr,  in lowpan_xmit_fragmented()
168 				  frag_len + skb_network_header_len(skb),  in lowpan_xmit_fragmented()
188 		rc = lowpan_xmit_fragment(skb, wpan_hdr, frag_hdr,  in lowpan_xmit_fragmented()
200 	consume_skb(skb);  in lowpan_xmit_fragmented()
204 	kfree_skb(skb);  in lowpan_xmit_fragmented()
208 static int lowpan_header(struct sk_buff *skb, struct net_device *ldev,  in lowpan_header()  argument
213 	struct ieee802154_mac_cb *cb = mac_cb_init(skb);  in lowpan_header()
217 	memcpy(&info, lowpan_skb_priv(skb), sizeof(info));  in lowpan_header()
223 	*dgram_size = skb->len;  in lowpan_header()
224 	lowpan_header_compress(skb, ldev, daddr, saddr);  in lowpan_header()
226 	*dgram_offset = (*dgram_size - skb->len) + skb_network_header_len(skb);  in lowpan_header()
251 	return wpan_dev_hard_header(skb, lowpan_dev_info(ldev)->wdev, &da, &sa,  in lowpan_header()
255 netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *ldev)  in lowpan_xmit()  argument
263 	WARN_ON_ONCE(skb->len > IPV6_MIN_MTU);  in lowpan_xmit()
268 	skb = skb_unshare(skb, GFP_ATOMIC);  in lowpan_xmit()
269 	if (!skb)  in lowpan_xmit()
272 	ret = lowpan_header(skb, ldev, &dgram_size, &dgram_offset);  in lowpan_xmit()
274 		kfree_skb(skb);  in lowpan_xmit()
278 	if (ieee802154_hdr_peek(skb, &wpan_hdr) < 0) {  in lowpan_xmit()
279 		kfree_skb(skb);  in lowpan_xmit()
285 	if (skb_tail_pointer(skb) - skb_network_header(skb) <= max_single) {  in lowpan_xmit()
286 		skb->dev = lowpan_dev_info(ldev)->wdev;  in lowpan_xmit()
289 		return dev_queue_xmit(skb);  in lowpan_xmit()
294 		rc = lowpan_xmit_fragmented(skb, ldev, &wpan_hdr, dgram_size,  in lowpan_xmit()