268 static uint8_t *compress_tfl(struct net_ipv6_hdr *ipv6, uint8_t *inline_ptr,  in compress_tfl()  argument
273 	tcl = ((ipv6->vtc & 0x0F) << 4) | ((ipv6->tcflow & 0xF0) >> 4);  in compress_tfl()
276 	if (((ipv6->tcflow & 0x0F) == 0U) && (ipv6->flow == 0U)) {  in compress_tfl()
277 		if (((ipv6->vtc & 0x0F) == 0U) && ((ipv6->tcflow & 0xF0) == 0U)) {  in compress_tfl()
292 		if (((ipv6->vtc & 0x0F) == 0U) && (ipv6->tcflow & 0x30)) {  in compress_tfl()
298 			inline_ptr -= sizeof(ipv6->flow);  in compress_tfl()
299 			memmove(inline_ptr, &ipv6->flow, sizeof(ipv6->flow));  in compress_tfl()
302 			*inline_ptr = (tcl & 0xC0) | (ipv6->tcflow & 0x0F);  in compress_tfl()
309 			inline_ptr -= sizeof(ipv6->flow);  in compress_tfl()
310 			memmove(inline_ptr, &ipv6->flow, sizeof(ipv6->flow));  in compress_tfl()
313 			*inline_ptr = ipv6->tcflow & 0x0F;  in compress_tfl()
323 static uint8_t *compress_hoplimit(struct net_ipv6_hdr *ipv6, uint8_t *inline_ptr,  in compress_hoplimit()  argument
327 	switch (ipv6->hop_limit) {  in compress_hoplimit()
341 		inline_ptr -= sizeof(ipv6->hop_limit);  in compress_hoplimit()
342 		*inline_ptr = ipv6->hop_limit;  in compress_hoplimit()
350 static uint8_t *compress_nh(struct net_ipv6_hdr *ipv6, uint8_t *inline_ptr,  in compress_nh()  argument
354 	if (ipv6->nexthdr == IPPROTO_UDP) {  in compress_nh()
357 		inline_ptr -= sizeof(ipv6->nexthdr);  in compress_nh()
358 		*inline_ptr = ipv6->nexthdr;  in compress_nh()
365 static uint8_t *compress_sa(struct net_ipv6_hdr *ipv6, struct net_pkt *pkt,  in compress_sa()  argument
371 	if (net_ipv6_addr_based_on_ll((struct in6_addr *)ipv6->src,  in compress_sa()
380 	if (net_6lo_addr_16_bit_compressible((struct in6_addr *)ipv6->src)) {  in compress_sa()
385 		memmove(inline_ptr, &ipv6->src[14], sizeof(uint16_t));  in compress_sa()
395 	memmove(inline_ptr, &ipv6->src[8], 8U);  in compress_sa()
400 static uint8_t *set_sa_inline(struct net_ipv6_hdr *ipv6, uint8_t *inline_ptr,  in set_sa_inline()  argument
405 	memmove(inline_ptr, &ipv6->src[0], 16U);  in set_sa_inline()
410 static uint8_t *compress_sa_ctx(struct net_ipv6_hdr *ipv6, uint8_t *inline_ptr,  in compress_sa_ctx()  argument
419 	if (net_ipv6_addr_based_on_ll((struct in6_addr *)ipv6->src,  in compress_sa_ctx()
429 	if (net_6lo_addr_16_bit_compressible((struct in6_addr *)ipv6->src)) {  in compress_sa_ctx()
435 		memmove(inline_ptr, &ipv6->src[14], sizeof(uint16_t));  in compress_sa_ctx()
445 	memmove(inline_ptr, &ipv6->src[8], 8U);  in compress_sa_ctx()
452 static uint8_t *compress_da_mcast(struct net_ipv6_hdr *ipv6, uint8_t *inline_ptr,  in compress_da_mcast()  argument
459 	if (net_6lo_maddr_8_bit_compressible((struct in6_addr *)ipv6->dst)) {  in compress_da_mcast()
466 		memmove(inline_ptr, &ipv6->dst[15], sizeof(uint8_t));  in compress_da_mcast()
471 	if (net_6lo_maddr_32_bit_compressible((struct in6_addr *)ipv6->dst)) {  in compress_da_mcast()
478 		memmove(inline_ptr, &ipv6->dst[13], 3U);  in compress_da_mcast()
481 		memmove(inline_ptr, &ipv6->dst[1], sizeof(uint8_t));  in compress_da_mcast()
486 	if (net_6lo_maddr_48_bit_compressible((struct in6_addr *)ipv6->dst)) {  in compress_da_mcast()
493 		memmove(inline_ptr, &ipv6->dst[11], 5U);  in compress_da_mcast()
496 		memmove(inline_ptr, &ipv6->dst[1], sizeof(uint8_t));  in compress_da_mcast()
505 	memmove(inline_ptr, &ipv6->dst[0], 16U);  in compress_da_mcast()
510 static uint8_t *compress_da(struct net_ipv6_hdr *ipv6, struct net_pkt *pkt,  in compress_da()  argument
516 	if (net_ipv6_addr_based_on_ll((struct in6_addr *)ipv6->dst,  in compress_da()
525 	if (net_6lo_addr_16_bit_compressible((struct in6_addr *)ipv6->dst)) {  in compress_da()
531 		memmove(inline_ptr, &ipv6->dst[14], sizeof(uint16_t));  in compress_da()
541 	memmove(inline_ptr, &ipv6->dst[8], 8U);  in compress_da()
546 static uint8_t *set_da_inline(struct net_ipv6_hdr *ipv6, uint8_t *inline_ptr,  in set_da_inline()  argument
551 	memmove(inline_ptr, &ipv6->dst[0], 16U);  in set_da_inline()
556 static uint8_t *compress_da_ctx(struct net_ipv6_hdr *ipv6, uint8_t *inline_ptr,  in compress_da_ctx()  argument
562 	if (net_ipv6_addr_based_on_ll((struct in6_addr *)ipv6->dst,  in compress_da_ctx()
571 	if (net_6lo_addr_16_bit_compressible((struct in6_addr *)ipv6->dst)) {  in compress_da_ctx()
576 		memmove(inline_ptr, &ipv6->dst[14], sizeof(uint16_t));  in compress_da_ctx()
586 	memmove(inline_ptr, &ipv6->dst[8], 8U);  in compress_da_ctx()
690 						struct net_ipv6_hdr *ipv6)  in get_src_addr_ctx()  argument
696 				      (struct in6_addr *)ipv6->src);  in get_src_addr_ctx()
705 						struct net_ipv6_hdr *ipv6)  in get_dst_addr_ctx()  argument
711 				      (struct in6_addr *)ipv6->dst);  in get_dst_addr_ctx()
736 	struct net_ipv6_hdr *ipv6 = NET_IPV6_HDR(pkt);  in compress_IPHC_header()  local
746 	if (ipv6->nexthdr == IPPROTO_UDP &&  in compress_IPHC_header()
755 	if (ipv6->nexthdr == IPPROTO_UDP) {  in compress_IPHC_header()
762 	if (net_6lo_ll_prefix_padded_with_zeros((struct in6_addr *)ipv6->dst)) {  in compress_IPHC_header()
763 		inline_pos = compress_da(ipv6, pkt, inline_pos, &iphc);  in compress_IPHC_header()
767 	if (net_ipv6_is_addr_mcast((struct in6_addr *)ipv6->dst)) {  in compress_IPHC_header()
768 		inline_pos = compress_da_mcast(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
773 	dst_ctx = get_dst_addr_ctx(pkt, ipv6);  in compress_IPHC_header()
776 		inline_pos = compress_da_ctx(ipv6, inline_pos, pkt, &iphc,  in compress_IPHC_header()
781 	inline_pos = set_da_inline(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
784 	if (net_6lo_ll_prefix_padded_with_zeros((struct in6_addr *)ipv6->src)) {  in compress_IPHC_header()
785 		inline_pos = compress_sa(ipv6, pkt, inline_pos, &iphc);  in compress_IPHC_header()
789 	if (net_ipv6_is_addr_unspecified((struct in6_addr *)ipv6->src)) {  in compress_IPHC_header()
799 	src_ctx = get_src_addr_ctx(pkt, ipv6);  in compress_IPHC_header()
801 		inline_pos = compress_sa_ctx(ipv6, inline_pos, pkt, &iphc,  in compress_IPHC_header()
807 	inline_pos = set_sa_inline(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
810 	inline_pos = compress_hoplimit(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
811 	inline_pos = compress_nh(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
812 	inline_pos = compress_tfl(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
844 				  struct net_ipv6_hdr *ipv6)  in uncompress_tfl()  argument
857 		ipv6->vtc |= ((tcl & 0xF0) >> 4);  in uncompress_tfl()
858 		ipv6->tcflow = ((tcl & 0x0F) << 4) | (*cursor & 0x0F);  in uncompress_tfl()
861 		memmove(&ipv6->flow, cursor, sizeof(ipv6->flow));  in uncompress_tfl()
862 		cursor += sizeof(ipv6->flow);  in uncompress_tfl()
868 		ipv6->tcflow = ((tcl & 0x0F) << 4) | (*cursor & 0x0F);  in uncompress_tfl()
871 		memmove(&ipv6->flow, cursor, sizeof(ipv6->flow));  in uncompress_tfl()
872 		cursor += sizeof(ipv6->flow);  in uncompress_tfl()
882 		ipv6->vtc |= ((tcl & 0xF0) >> 4);  in uncompress_tfl()
883 		ipv6->tcflow = (tcl & 0x0F) << 4;  in uncompress_tfl()
884 		ipv6->flow = 0U;  in uncompress_tfl()
890 		ipv6->tcflow = 0U;  in uncompress_tfl()
891 		ipv6->flow = 0U;  in uncompress_tfl()
901 				       struct net_ipv6_hdr *ipv6)  in uncompress_hoplimit()  argument
905 		ipv6->hop_limit = *cursor;  in uncompress_hoplimit()
910 		ipv6->hop_limit = 1U;  in uncompress_hoplimit()
914 		ipv6->hop_limit = 64U;  in uncompress_hoplimit()
918 		ipv6->hop_limit = 255U;  in uncompress_hoplimit()
928 				 struct net_ipv6_hdr *ipv6,  in uncompress_sa()  argument
935 	net_ipv6_addr_copy_raw((uint8_t *)&src_ip, ipv6->src);  in uncompress_sa()
981 	net_ipv6_addr_copy_raw(ipv6->src, (uint8_t *)&src_ip);  in uncompress_sa()
988 				     struct net_ipv6_hdr *ipv6,  in uncompress_sa_ctx()  argument
994 	net_ipv6_addr_copy_raw((uint8_t *)&src_ip, ipv6->src);  in uncompress_sa_ctx()
1042 	net_ipv6_addr_copy_raw(ipv6->src, (uint8_t *)&src_ip);  in uncompress_sa_ctx()
1050 				       struct net_ipv6_hdr *ipv6)  in uncompress_da_mcast()  argument
1056 	net_ipv6_addr_copy_raw((uint8_t *)&dst_ip, ipv6->dst);  in uncompress_da_mcast()
1127 	net_ipv6_addr_copy_raw(ipv6->dst, (uint8_t *)&dst_ip);  in uncompress_da_mcast()
1134 				 struct net_ipv6_hdr *ipv6,  in uncompress_da()  argument
1141 	net_ipv6_addr_copy_raw((uint8_t *)&dst_ip, ipv6->dst);  in uncompress_da()
1188 	net_ipv6_addr_copy_raw(ipv6->dst, (uint8_t *)&dst_ip);  in uncompress_da()
1195 				     struct net_ipv6_hdr *ipv6,  in uncompress_da_ctx()  argument
1203 	net_ipv6_addr_copy_raw((uint8_t *)&dst_ip, ipv6->dst);  in uncompress_da_ctx()
1252 	net_ipv6_addr_copy_raw(ipv6->dst, (uint8_t *)&dst_ip);  in uncompress_da_ctx()
1353 	struct net_ipv6_hdr *ipv6;  in uncompress_IPHC_header()  local
1413 	ipv6 = (struct net_ipv6_hdr *)(frag->data);  in uncompress_IPHC_header()
1427 	ipv6->vtc = 0x60;  in uncompress_IPHC_header()
1431 	cursor = uncompress_tfl(iphc, cursor, ipv6);  in uncompress_IPHC_header()
1434 		ipv6->nexthdr = *cursor;  in uncompress_IPHC_header()
1439 	cursor = uncompress_hoplimit(iphc, cursor, ipv6);  in uncompress_IPHC_header()
1447 			memset(&ipv6->src[0], 0,  in uncompress_IPHC_header()
1448 				sizeof(ipv6->src));  in uncompress_IPHC_header()
1456 			cursor = uncompress_sa_ctx(iphc, cursor, ipv6, src, pkt);  in uncompress_IPHC_header()
1463 		cursor = uncompress_sa(iphc, cursor, ipv6, pkt);  in uncompress_IPHC_header()
1475 			cursor = uncompress_da_mcast(iphc, cursor, ipv6);  in uncompress_IPHC_header()
1485 			cursor = uncompress_da_ctx(iphc, cursor, ipv6, dst, pkt);  in uncompress_IPHC_header()
1491 			cursor = uncompress_da(iphc, cursor, ipv6, pkt);  in uncompress_IPHC_header()
1496 		ipv6->nexthdr = IPPROTO_UDP;  in uncompress_IPHC_header()
1510 	ipv6->len = htons(len);  in uncompress_IPHC_header()
1512 	if (ipv6->nexthdr == IPPROTO_UDP && udp) {  in uncompress_IPHC_header()