taglinefilesource code
max_header370include/net/sock.hunsigned short    max_header;
max_header732net/ipv4/tcp.cif (sock_wspace(sk) < sk->mtu+128+sk->prot->max_header)
max_header1058net/ipv4/tcp.cskb = sock_wmalloc(sk, sk->mtu + 128 + prot->max_header + 15, 0, GFP_KERNEL);
max_header1063net/ipv4/tcp.cskb = sock_wmalloc(sk, copy + prot->max_header + 15 , 0, GFP_KERNEL);
max_header919net/ipv4/tcp_output.csk->prot->max_header + 15,