• Jarod Wilson's avatar
    ipv4/6: use core net MTU range checking · b96f9afe
    Jarod Wilson authored
    ipv4/ip_tunnel:
    - min_mtu = 68, max_mtu = 0xFFF8 - dev->hard_header_len - t_hlen
    - preserve all ndo_change_mtu checks for now to prevent regressions
    
    ipv6/ip6_tunnel:
    - min_mtu = 68, max_mtu = 0xFFF8 - dev->hard_header_len
    - preserve all ndo_change_mtu checks for now to prevent regressions
    
    ipv6/ip6_vti:
    - min_mtu = 1280, max_mtu = 65535
    - remove redundant vti6_change_mtu
    
    ipv6/sit:
    - min_mtu = 1280, max_mtu = 0xFFF8 - t_hlen
    - remove redundant ipip6_tunnel_change_mtu
    
    CC: netdev@vger.kernel.org
    CC: "David S. Miller" <davem@davemloft.net>
    CC: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
    CC: James Morris <jmorris@namei.org>
    CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
    CC: Patrick McHardy <kaber@trash.net>
    Signed-off-by: default avatarJarod Wilson <jarod@redhat.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    b96f9afe
ip6_tunnel.c 54 KB