LWIP_ICMP6==1: Enable ICMPv6 (mandatory per RFC)
Definition at line 2237 of file opt.h.
LWIP_ICMP6_DATASIZE: bytes from original packet to send back in ICMPv6 error messages.
Definition at line 2245 of file opt.h.
LWIP_ICMP6_HL: default hop limit for ICMPv6 messages
Definition at line 2252 of file opt.h.