ip_dst_mtu_maybe_forward  457 include/net/ip.h 		return ip_dst_mtu_maybe_forward(skb_dst(skb), forwarding);
ip_dst_mtu_maybe_forward  130 net/ipv4/ip_forward.c 	mtu = ip_dst_mtu_maybe_forward(&rt->dst, true);
ip_dst_mtu_maybe_forward   42 net/netfilter/nf_flow_table_core.c 		ft->mtu = ip_dst_mtu_maybe_forward(dst, true);