Merge "Kill IPv6 sockets as well as IPv4 sockets." into honeycomb-LTE

int ifc_reset_connections(const char *ifname)

{

#ifdef HAVE_ANDROID_OS

    int result;

    int result, success;

    in_addr_t myaddr;

    struct ifreq ifr;

    struct in6_ifreq ifr6;

    /* IPv4. Clear connections on the IP address. */

    ifc_init();

    ifc_get_info(ifname, &myaddr, NULL, NULL);

    ifc_init_ifr(ifname, &ifr);

    result = ioctl(ifc_ctl_sock, SIOCKILLADDR,  &ifr);

    ifc_close();

    /*

     * IPv6. On Linux, when an interface goes down it loses all its IPv6

     * addresses, so we don't know which connections belonged to that interface

     * So we clear all unused IPv6 connections on the device by specifying an

     * empty IPv6 address.

     */

    ifc_init6();

    // This implicitly specifies an address of ::, i.e., kill all IPv6 sockets.

    memset(&ifr6, 0, sizeof(ifr6));

    success = ioctl(ifc_ctl_sock6, SIOCKILLADDR,  &ifr6);

    if (result == 0) {

        result = success;

    }

    ifc_close6();

    return result;

#else

    return 0;