588 static u8 lowpan_compress_addr_64(u8 **hc_ptr, const struct in6_addr *ipaddr,  in lowpan_compress_addr_64()  argument
598 		lowpan_push_hc_data(hc_ptr, &ipaddr->s6_addr16[7], 2);  in lowpan_compress_addr_64()
601 				*hc_ptr - 2, 2);  in lowpan_compress_addr_64()
604 		lowpan_push_hc_data(hc_ptr, &ipaddr->s6_addr16[4], 8);  in lowpan_compress_addr_64()
607 				*hc_ptr - 8, 8);  in lowpan_compress_addr_64()
643 static u8 lowpan_iphc_tf_compress(u8 **hc_ptr, const struct ipv6hdr *hdr)  in lowpan_iphc_tf_compress()  argument
663 			lowpan_push_hc_data(hc_ptr, &tc, sizeof(tc));  in lowpan_iphc_tf_compress()
683 			lowpan_push_hc_data(hc_ptr, tf, 3);  in lowpan_iphc_tf_compress()
703 			lowpan_push_hc_data(hc_ptr, tf, 4);  in lowpan_iphc_tf_compress()
711 static u8 lowpan_iphc_mcast_addr_compress(u8 **hc_ptr,  in lowpan_iphc_mcast_addr_compress()  argument
719 		lowpan_push_hc_data(hc_ptr, &ipaddr->s6_addr[15], 1);  in lowpan_iphc_mcast_addr_compress()
724 		lowpan_push_hc_data(hc_ptr, &ipaddr->s6_addr[1], 1);  in lowpan_iphc_mcast_addr_compress()
725 		lowpan_push_hc_data(hc_ptr, &ipaddr->s6_addr[13], 3);  in lowpan_iphc_mcast_addr_compress()
730 		lowpan_push_hc_data(hc_ptr, &ipaddr->s6_addr[1], 1);  in lowpan_iphc_mcast_addr_compress()
731 		lowpan_push_hc_data(hc_ptr, &ipaddr->s6_addr[11], 5);  in lowpan_iphc_mcast_addr_compress()
735 		lowpan_push_hc_data(hc_ptr, ipaddr->s6_addr, 16);  in lowpan_iphc_mcast_addr_compress()
745 	u8 iphc0, iphc1, *hc_ptr;  in lowpan_header_compress()  local
754 	hc_ptr = head + 2;  in lowpan_header_compress()
781 	iphc0 |= lowpan_iphc_tf_compress(&hc_ptr, hdr);  in lowpan_header_compress()
788 	ret = lowpan_nhc_check_compression(skb, hdr, &hc_ptr);  in lowpan_header_compress()
790 		lowpan_push_hc_data(&hc_ptr, &hdr->nexthdr,  in lowpan_header_compress()
812 		lowpan_push_hc_data(&hc_ptr, &hdr->hop_limit,  in lowpan_header_compress()
823 			iphc1 |= lowpan_compress_addr_64(&hc_ptr, &hdr->saddr,  in lowpan_header_compress()
829 			lowpan_push_hc_data(&hc_ptr, hdr->saddr.s6_addr, 16);  in lowpan_header_compress()
838 		iphc1 |= lowpan_iphc_mcast_addr_compress(&hc_ptr, &hdr->daddr);  in lowpan_header_compress()
842 			iphc1 |= lowpan_compress_addr_64(&hc_ptr, &hdr->daddr,  in lowpan_header_compress()
848 			lowpan_push_hc_data(&hc_ptr, hdr->daddr.s6_addr, 16);  in lowpan_header_compress()
854 		ret = lowpan_nhc_do_compression(skb, hdr, &hc_ptr);  in lowpan_header_compress()
864 	memcpy(skb_push(skb, hc_ptr - head), head, hc_ptr - head);  in lowpan_header_compress()
867 	pr_debug("header len %d skb %u\n", (int)(hc_ptr - head), skb->len);  in lowpan_header_compress()