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    SubjectRe: [PATCH 2/2] ipv4: make do_ip_setsockopt for IP_MULTICAST_IF support ip_mreq struct
    Xiaotian Feng wrote, at 09/17/2009 01:20 PM:
    > ip_mreq and ip_mreqn is almost the same, and do_ip_setsockopt for IP_MULTICAST_IF
    > part supported ip_mreqn struct. This patch adds support for ip_mreq struct.

    It's not meaning to support the ip_mreq struct, the imr_multiaddr member
    never be used by the IP_MULTICAST_IF.

    In addition, using the option normally like this:
    struct in_addr interface_addr;
    setsockopt (socket, IPPROTO_IP, IP_MULTICAST_IF, &interface_addr, sizeof(interface_addr));

    Do your patch suggest using the option like this?
    struct ip_mreq mreq;
    setsockopt (socket, IPPROTO_IP, IP_MULTICAST_IF, &mreq, sizeof(mreq));

    Best Regards
    Shan Wei

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