• David Ahern's avatar
    net: Allow accepted sockets to be bound to l3mdev domain · 6dd9a14e
    David Ahern authored
    Allow accepted sockets to derive their sk_bound_dev_if setting from the
    l3mdev domain in which the packets originated. A sysctl setting is added
    to control the behavior which is similar to sk_mark and
    This effectively allow a process to have a "VRF-global" listen socket,
    with child sockets bound to the VRF device in which the packet originated.
    A similar behavior can be achieved using sk_mark, but a solution using marks
    is incomplete as it does not handle duplicate addresses in different L3
    domains/VRFs. Allowing sockets to inherit the sk_bound_dev_if from l3mdev
    domain provides a complete solution.
    Signed-off-by: default avatarDavid Ahern <dsa@cumulusnetworks.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
inet_sock.h 8.02 KB