82 static int get_ihpc_inlined_size(uint16_t iphc)  in get_ihpc_inlined_size()  argument
86 	if (((iphc >> 8) & NET_6LO_DISPATCH_IPHC_MASK) !=  in get_ihpc_inlined_size()
92 	size += tf_inline_size_table[(iphc & NET_6LO_IPHC_TF_MASK) >>  in get_ihpc_inlined_size()
95 	if (!(iphc & NET_6LO_IPHC_NH_MASK)) {  in get_ihpc_inlined_size()
99 	if (!(iphc & NET_6LO_IPHC_HLIM_MASK)) {  in get_ihpc_inlined_size()
103 	if (iphc & NET_6LO_IPHC_CID_MASK) {  in get_ihpc_inlined_size()
107 	size += sa_inline_size_table[(iphc & NET_6LO_IPHC_SA_MASK) >>  in get_ihpc_inlined_size()
110 	size += da_inline_size_table[(iphc & NET_6LO_IPHC_DA_MASK) >>  in get_ihpc_inlined_size()
269 			  uint16_t *iphc)  in compress_tfl()  argument
281 			*iphc |= NET_6LO_IPHC_TF_11;  in compress_tfl()
286 			*iphc |= NET_6LO_IPHC_TF_10;  in compress_tfl()
296 			*iphc |= NET_6LO_IPHC_TF_01;  in compress_tfl()
307 			*iphc |= NET_6LO_IPHC_TF_00;  in compress_tfl()
324 			       uint16_t *iphc)  in compress_hoplimit()  argument
330 		*iphc |= NET_6LO_IPHC_HLIM1;  in compress_hoplimit()
334 		*iphc |= NET_6LO_IPHC_HLIM64;  in compress_hoplimit()
338 		*iphc |= NET_6LO_IPHC_HLIM255;  in compress_hoplimit()
351 			 uint16_t *iphc)  in compress_nh()  argument
355 		*iphc |= NET_6LO_IPHC_NH_1;  in compress_nh()
366 			 uint8_t *inline_ptr, uint16_t *iphc)  in compress_sa()  argument
373 		*iphc |= NET_6LO_IPHC_SAM_11;  in compress_sa()
380 		*iphc |= NET_6LO_IPHC_SAM_10;  in compress_sa()
390 	*iphc |= NET_6LO_IPHC_SAM_01;  in compress_sa()
399 			   uint16_t *iphc)  in set_sa_inline()  argument
401 	*iphc |= NET_6LO_IPHC_SAM_00;  in set_sa_inline()
409 			     struct net_pkt *pkt, uint16_t *iphc,  in compress_sa_ctx()  argument
413 	*iphc |= NET_6LO_IPHC_SAC_1;  in compress_sa_ctx()
420 		*iphc |= NET_6LO_IPHC_SAM_11;  in compress_sa_ctx()
428 		*iphc |= NET_6LO_IPHC_SAM_10;  in compress_sa_ctx()
438 	*iphc |= NET_6LO_IPHC_SAM_01;  in compress_sa_ctx()
449 			       uint16_t *iphc)  in compress_da_mcast()  argument
451 	*iphc |= NET_6LO_IPHC_M_1;  in compress_da_mcast()
459 		*iphc |= NET_6LO_IPHC_DAM_11;  in compress_da_mcast()
471 		*iphc |= NET_6LO_IPHC_DAM_10;  in compress_da_mcast()
486 		*iphc |= NET_6LO_IPHC_DAM_01;  in compress_da_mcast()
507 			 uint8_t *inline_ptr, uint16_t *iphc)  in compress_da()  argument
514 		*iphc |= NET_6LO_IPHC_DAM_11;  in compress_da()
522 		*iphc |= NET_6LO_IPHC_DAM_10;  in compress_da()
532 	*iphc |= NET_6LO_IPHC_DAM_01;  in compress_da()
541 			   uint16_t *iphc)  in set_da_inline()  argument
543 	*iphc |= NET_6LO_IPHC_DAM_00;  in set_da_inline()
551 			     struct net_pkt *pkt, uint16_t *iphc,  in compress_da_ctx()  argument
554 	*iphc |= NET_6LO_IPHC_DAC_1;  in compress_da_ctx()
560 		*iphc |= NET_6LO_IPHC_DAM_11;  in compress_da_ctx()
568 		*iphc |= NET_6LO_IPHC_DAM_10;  in compress_da_ctx()
577 	*iphc |= NET_6LO_IPHC_DAM_01;  in compress_da_ctx()
729 	uint16_t iphc = (NET_6LO_DISPATCH_IPHC << 8);  in compress_IPHC_header()  local
757 		inline_pos = compress_da(ipv6, pkt, inline_pos, &iphc);  in compress_IPHC_header()
762 		inline_pos = compress_da_mcast(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
769 		iphc |= NET_6LO_IPHC_CID_1;  in compress_IPHC_header()
770 		inline_pos = compress_da_ctx(ipv6, inline_pos, pkt, &iphc,  in compress_IPHC_header()
775 	inline_pos = set_da_inline(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
779 		inline_pos = compress_sa(ipv6, pkt, inline_pos, &iphc);  in compress_IPHC_header()
787 		iphc |= NET_6LO_IPHC_SAC_1;  in compress_IPHC_header()
788 		iphc |= NET_6LO_IPHC_SAM_00;  in compress_IPHC_header()
795 		inline_pos = compress_sa_ctx(ipv6, inline_pos, pkt, &iphc,  in compress_IPHC_header()
797 		iphc |= NET_6LO_IPHC_CID_1;  in compress_IPHC_header()
801 	inline_pos = set_sa_inline(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
804 	inline_pos = compress_hoplimit(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
805 	inline_pos = compress_nh(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
806 	inline_pos = compress_tfl(ipv6, inline_pos, &iphc);  in compress_IPHC_header()
809 	if (iphc & NET_6LO_IPHC_CID_1) {  in compress_IPHC_header()
823 	inline_pos -= sizeof(iphc);  in compress_IPHC_header()
824 	iphc = htons(iphc);  in compress_IPHC_header()
825 	memmove(inline_pos, &iphc, sizeof(iphc));  in compress_IPHC_header()
837 static inline uint8_t *uncompress_tfl(uint16_t iphc, uint8_t *cursor,  in uncompress_tfl()  argument
843 	switch (iphc & NET_6LO_IPHC_TF_11) {  in uncompress_tfl()
894 static inline uint8_t *uncompress_hoplimit(uint16_t iphc, uint8_t *cursor,  in uncompress_hoplimit()  argument
897 	switch (iphc & NET_6LO_IPHC_HLIM_MASK) {  in uncompress_hoplimit()
921 static inline uint8_t *uncompress_sa(uint16_t iphc, uint8_t *cursor,  in uncompress_sa()  argument
931 	switch (iphc & NET_6LO_IPHC_SAM_MASK) {  in uncompress_sa()
981 static inline uint8_t *uncompress_sa_ctx(uint16_t iphc, uint8_t *cursor,  in uncompress_sa_ctx()  argument
990 	switch (iphc & NET_6LO_IPHC_SAM_MASK) {  in uncompress_sa_ctx()
1043 static inline uint8_t *uncompress_da_mcast(uint16_t iphc, uint8_t *cursor,  in uncompress_da_mcast()  argument
1052 	if (iphc & NET_6LO_IPHC_DAC_1) {  in uncompress_da_mcast()
1064 	switch (iphc & NET_6LO_IPHC_DAM_MASK) {  in uncompress_da_mcast()
1127 static inline uint8_t *uncompress_da(uint16_t iphc, uint8_t *cursor,  in uncompress_da()  argument
1137 	switch (iphc & NET_6LO_IPHC_DAM_MASK) {  in uncompress_da()
1188 static inline uint8_t *uncompress_da_ctx(uint16_t iphc, uint8_t *cursor,  in uncompress_da_ctx()  argument
1199 	switch (iphc & NET_6LO_IPHC_DAM_MASK) {  in uncompress_da_ctx()
1349 	uint16_t iphc;  in uncompress_IPHC_header()  local
1358 	iphc = ntohs(UNALIGNED_GET((uint16_t *)pkt->buffer->data));  in uncompress_IPHC_header()
1360 	inline_size = get_ihpc_inlined_size(iphc);  in uncompress_IPHC_header()
1365 	compressed_hdr_size = sizeof(iphc) + inline_size;  in uncompress_IPHC_header()
1368 	if (iphc & NET_6LO_IPHC_NH_MASK) {  in uncompress_IPHC_header()
1369 		nhc = *(pkt->buffer->data + sizeof(iphc) + inline_size);  in uncompress_IPHC_header()
1408 	cursor += sizeof(iphc);  in uncompress_IPHC_header()
1410 	if (iphc & NET_6LO_IPHC_CID_1) {  in uncompress_IPHC_header()
1425 	cursor = uncompress_tfl(iphc, cursor, ipv6);  in uncompress_IPHC_header()
1427 	if (!(iphc & NET_6LO_IPHC_NH_MASK)) {  in uncompress_IPHC_header()
1433 	cursor = uncompress_hoplimit(iphc, cursor, ipv6);  in uncompress_IPHC_header()
1436 	if (iphc & NET_6LO_IPHC_SAC_1) {  in uncompress_IPHC_header()
1439 		if ((iphc & NET_6LO_IPHC_SAM_MASK) == NET_6LO_IPHC_SAM_00) {  in uncompress_IPHC_header()
1450 			cursor = uncompress_sa_ctx(iphc, cursor, ipv6, src, pkt);  in uncompress_IPHC_header()
1457 		cursor = uncompress_sa(iphc, cursor, ipv6, pkt);  in uncompress_IPHC_header()
1461 	if (iphc & NET_6LO_IPHC_M_1) {  in uncompress_IPHC_header()
1462 		if (iphc & NET_6LO_IPHC_DAC_1) {  in uncompress_IPHC_header()
1469 			cursor = uncompress_da_mcast(iphc, cursor, ipv6);  in uncompress_IPHC_header()
1472 		if (iphc & NET_6LO_IPHC_DAC_1) {  in uncompress_IPHC_header()
1479 			cursor = uncompress_da_ctx(iphc, cursor, ipv6, dst, pkt);  in uncompress_IPHC_header()
1485 			cursor = uncompress_da(iphc, cursor, ipv6, pkt);  in uncompress_IPHC_header()
1489 	if (iphc & NET_6LO_IPHC_NH_MASK) {  in uncompress_IPHC_header()
1563 int net_6lo_compress(struct net_pkt *pkt, bool iphc)  in net_6lo_compress()  argument
1565 	if (iphc) {  in net_6lo_compress()
1595 	uint16_t iphc;  in net_6lo_uncompress_hdr_diff()  local
1607 	iphc = ntohs(UNALIGNED_GET((uint16_t *)pkt->buffer->data));  in net_6lo_uncompress_hdr_diff()
1609 	inline_size = get_ihpc_inlined_size(iphc);  in net_6lo_uncompress_hdr_diff()
1614 	compressed_hdr_size = sizeof(iphc) + inline_size;  in net_6lo_uncompress_hdr_diff()
1617 	if (iphc & NET_6LO_IPHC_NH_MASK) {  in net_6lo_uncompress_hdr_diff()
1618 		nhc = *(pkt->buffer->data + sizeof(iphc) + inline_size);  in net_6lo_uncompress_hdr_diff()