64 static int uncompress_addr(struct sk_buff *skb,  in uncompress_addr()  argument
74 		fail = lowpan_fetch_skb(skb, ipaddr->s6_addr, 16);  in uncompress_addr()
80 		fail = lowpan_fetch_skb(skb, &ipaddr->s6_addr[8], 8);  in uncompress_addr()
88 		fail = lowpan_fetch_skb(skb, &ipaddr->s6_addr[14], 2);  in uncompress_addr()
143 static int uncompress_context_based_src_addr(struct sk_buff *skb,  in uncompress_context_based_src_addr()  argument
159 		netdev_warn(skb->dev, "SAM value 0x%x not supported\n", sam);  in uncompress_context_based_src_addr()
176 static int lowpan_uncompress_multicast_daddr(struct sk_buff *skb,  in lowpan_uncompress_multicast_daddr()  argument
187 		fail = lowpan_fetch_skb(skb, ipaddr->s6_addr, 16);  in lowpan_uncompress_multicast_daddr()
194 		fail = lowpan_fetch_skb(skb, &ipaddr->s6_addr[1], 1);  in lowpan_uncompress_multicast_daddr()
195 		fail |= lowpan_fetch_skb(skb, &ipaddr->s6_addr[11], 5);  in lowpan_uncompress_multicast_daddr()
202 		fail = lowpan_fetch_skb(skb, &ipaddr->s6_addr[1], 1);  in lowpan_uncompress_multicast_daddr()
203 		fail |= lowpan_fetch_skb(skb, &ipaddr->s6_addr[13], 3);  in lowpan_uncompress_multicast_daddr()
211 		fail = lowpan_fetch_skb(skb, &ipaddr->s6_addr[15], 1);  in lowpan_uncompress_multicast_daddr()
233 lowpan_header_decompress(struct sk_buff *skb, struct net_device *dev,  in lowpan_header_decompress()  argument
244 		       skb->data, skb->len);  in lowpan_header_decompress()
249 		if (lowpan_fetch_skb(skb, &num_context, sizeof(num_context)))  in lowpan_header_decompress()
261 		if (lowpan_fetch_skb(skb, &tmp, sizeof(tmp)))  in lowpan_header_decompress()
264 		memcpy(&hdr.flow_lbl, &skb->data[0], 3);  in lowpan_header_decompress()
265 		skb_pull(skb, 3);  in lowpan_header_decompress()
274 		if (lowpan_fetch_skb(skb, &tmp, sizeof(tmp)))  in lowpan_header_decompress()
284 		if (lowpan_fetch_skb(skb, &tmp, sizeof(tmp)))  in lowpan_header_decompress()
287 		hdr.flow_lbl[0] = (skb->data[0] & 0x0F) | ((tmp >> 2) & 0x30);  in lowpan_header_decompress()
288 		memcpy(&hdr.flow_lbl[1], &skb->data[0], 2);  in lowpan_header_decompress()
289 		skb_pull(skb, 2);  in lowpan_header_decompress()
301 		if (lowpan_fetch_skb(skb, &hdr.nexthdr, sizeof(hdr.nexthdr)))  in lowpan_header_decompress()
312 		if (lowpan_fetch_skb(skb, &hdr.hop_limit,  in lowpan_header_decompress()
323 		err = uncompress_context_based_src_addr(skb, &hdr.saddr, tmp);  in lowpan_header_decompress()
327 		err = uncompress_addr(skb, &hdr.saddr, tmp, saddr,  in lowpan_header_decompress()
344 			err = lowpan_uncompress_multicast_daddr(skb, &hdr.daddr,  in lowpan_header_decompress()
351 		err = uncompress_addr(skb, &hdr.daddr, tmp, daddr,  in lowpan_header_decompress()
361 		err = lowpan_nhc_do_uncompression(skb, dev, &hdr);  in lowpan_header_decompress()
365 		err = skb_cow(skb, sizeof(hdr));  in lowpan_header_decompress()
370 	hdr.payload_len = htons(skb->len);  in lowpan_header_decompress()
373 		 skb_headroom(skb), skb->len);  in lowpan_header_decompress()
380 	skb_push(skb, sizeof(hdr));  in lowpan_header_decompress()
381 	skb_reset_network_header(skb);  in lowpan_header_decompress()
382 	skb_copy_to_linear_data(skb, &hdr, sizeof(hdr));  in lowpan_header_decompress()
416 int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,  in lowpan_header_compress()  argument
428 	hdr = ipv6_hdr(skb);  in lowpan_header_compress()
437 		       skb_network_header(skb), sizeof(struct ipv6hdr));  in lowpan_header_compress()
455 		       skb->data, skb->len);  in lowpan_header_compress()
503 	ret = lowpan_nhc_check_compression(skb, hdr, &hc_ptr, &iphc0);  in lowpan_header_compress()
593 		ret = lowpan_nhc_do_compression(skb, hdr, &hc_ptr);  in lowpan_header_compress()
601 	skb_pull(skb, sizeof(struct ipv6hdr));  in lowpan_header_compress()
602 	skb_reset_transport_header(skb);  in lowpan_header_compress()
603 	memcpy(skb_push(skb, hc_ptr - head), head, hc_ptr - head);  in lowpan_header_compress()
604 	skb_reset_network_header(skb);  in lowpan_header_compress()
606 	pr_debug("header len %d skb %u\n", (int)(hc_ptr - head), skb->len);  in lowpan_header_compress()
609 		       skb->data, skb->len);  in lowpan_header_compress()