ip_skb_dst_mtu 707 net/bridge/br_netfilter_hooks.c unsigned int mtu = ip_skb_dst_mtu(sk, skb); ip_skb_dst_mtu 301 net/ipv4/ip_output.c mtu = ip_skb_dst_mtu(sk, skb); ip_skb_dst_mtu 789 net/ipv4/ip_output.c mtu = ip_skb_dst_mtu(sk, skb); ip_skb_dst_mtu 30 net/ipv4/xfrm4_output.c !skb_gso_validate_network_len(skb, ip_skb_dst_mtu(skb->sk, skb)))) {