136 #define IPV6_TRAFFIC_CLASS(ipv6_body) \  argument
137 	(((((uint8 *)(ipv6_body))[0] & 0x0f) << 4) | \
138 	 ((((uint8 *)(ipv6_body))[1] & 0xf0) >> 4))
140 #define IPV6_FLOW_LABEL(ipv6_body) \  argument
141 	(((((uint8 *)(ipv6_body))[1] & 0x0f) << 16) | \
142 	 (((uint8 *)(ipv6_body))[2] << 8) | \
143 	 (((uint8 *)(ipv6_body))[3]))
145 #define IPV6_PAYLOAD_LEN(ipv6_body) \  argument
146 	((((uint8 *)(ipv6_body))[IPV6_PAYLOAD_LEN_OFFSET + 0] << 8) | \
147 	 ((uint8 *)(ipv6_body))[IPV6_PAYLOAD_LEN_OFFSET + 1])
149 #define IPV6_NEXT_HDR(ipv6_body) \  argument
150 	(((uint8 *)(ipv6_body))[IPV6_NEXT_HDR_OFFSET])
152 #define IPV6_PROT(ipv6_body)	IPV6_NEXT_HDR(ipv6_body)  argument