• Hannes Frederic Sowa's avatar
    ipv6: make IPV6_RECVPKTINFO work for ipv4 datagrams · 4b261c75
    Hannes Frederic Sowa authored
    We currently don't report IPV6_RECVPKTINFO in cmsg access ancillary data
    for IPv4 datagrams on IPv6 sockets.
    This patch splits the ip6_datagram_recv_ctl into two functions, one
    which handles both protocol families, AF_INET and AF_INET6, while the
    ip6_datagram_recv_specific_ctl only handles IPv6 cmsg data.
    ip6_datagram_recv_*_ctl never reported back any errors, so we can make
    them return void. Also provide a helper for protocols which don't offer dual
    personality to further use ip6_datagram_recv_ctl, which is exported to
    I needed to shuffle the code for ping around a bit to make it easier to
    implement dual personality for ping ipv6 sockets in future.
    Reported-by: default avatarGert Doering <gert@space.net>
    Signed-off-by: default avatarHannes Frederic Sowa <hannes@stressinduktion.org>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
transp_v6.h 1.83 KB