include/net/ip.h

442

return pmtudisc == IP_PMTUDISC_DO ||

include/net/ip.h

464

return pmtudisc < IP_PMTUDISC_DO || pmtudisc == IP_PMTUDISC_OMIT;

net/ipv4/ip_output.c

1440

if (pmtudisc == IP_PMTUDISC_DO ||

net/ipv4/tcp_ipv4.c

3734

inet_sk(sk)->pmtudisc = IP_PMTUDISC_DO;

net/rxrpc/local_object.c

45

ip_sock_set_mtu_discover(local->socket->sk, IP_PMTUDISC_DO);

net/sctp/protocol.c

1054

inet->pmtudisc = t->param_flags & SPP_PMTUD_ENABLE ? IP_PMTUDISC_DO

tools/testing/selftests/net/tun.c

301

val = IP_PMTUDISC_DO;

tools/testing/selftests/net/udpgso.c

325

val = IP_PMTUDISC_DO;

tools/testing/selftests/net/udpgso_bench_tx.c

557

val = IP_PMTUDISC_DO;