nhc_ipv6 18 net/6lowpan/nhc_ipv6.c LOWPAN_NHC(nhc_ipv6, "RFC6282 IPv6", NEXTHDR_IPV6, 0, ipv6_nhid_setup, nhc_ipv6 21 net/6lowpan/nhc_ipv6.c module_lowpan_nhc(nhc_ipv6);