net/ipv4/icmp.c

970

room = dst4_mtu(&rt->dst);

net/ipv4/ip_output.c

1303

dst4_mtu(&rt->dst) : READ_ONCE(rt->dst.dev->mtu);

net/ipv4/ip_output.c

1442

(skb->len <= dst4_mtu(&rt->dst) &&

net/ipv4/ip_sockglue.c

1637

val = dst4_mtu(dst);

net/ipv4/ipmr.c

1898

if (skb->len+encap > dst4_mtu(&rt->dst) && (ntohs(iph->frag_off) & IP_DF)) {

net/ipv4/netfilter/nf_reject_ipv4.c

306

if (nskb->len > dst4_mtu(skb_dst(nskb)))

net/ipv4/tcp_ipv4.c

1766

tcp_sync_mss(newsk, dst4_mtu(dst));

net/ipv4/tcp_ipv4.c

388

dmtu = dst4_mtu(dst);

net/ipv6/sit.c

965

mtu = dst4_mtu(&rt->dst) - t_hlen;