• Neil Horman's avatar
    genetlink: Build a generic netlink family module alias · e9412c37
    Neil Horman authored
    Generic netlink searches for -type- formatted aliases when requesting a module to
    fulfill a protocol request (i.e. net-pf-16-proto-16-type-<x>, where x is a type
    value).  However generic netlink protocols have no well defined type numbers,
    they have string names.  Modify genl_ctrl_getfamily to request an alias in the
    format net-pf-16-proto-16-family-<x> instead, where x is a generic string, and
    add a macro that builds on the previously added MODULE_ALIAS_NET_PF_PROTO_NAME
    macro to allow modules to specifify those generic strings.
    
    Note, l2tp previously hacked together an net-pf-16-proto-16-type-l2tp alias
    using the MODULE_ALIAS macro, with these updates we can convert that to use the
    PROTO_NAME macro.
    Signed-off-by: 's avatarNeil Horman <nhorman@tuxdriver.com>
    CC: Eric Dumazet <eric.dumazet@gmail.com>
    CC: James Chapman <jchapman@katalix.com>
    CC: David Miller <davem@davemloft.net>
    Signed-off-by: 's avatarDavid S. Miller <davem@davemloft.net>
    e9412c37
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