IPV6_PMTUDISC_OMIT 186 include/net/ip6_route.h inet6_sk(sk)->pmtudisc != IPV6_PMTUDISC_OMIT; IPV6_PMTUDISC_OMIT 192 include/net/ip6_route.h inet6_sk(sk)->pmtudisc == IPV6_PMTUDISC_OMIT;