Commit 36154beb authored by Martin Mareš's avatar Martin Mareš
Browse files

Use SO_BINDTODEVICE if we're using old multicast API (i.e., struct ip_mreq

and not ip_mreqn). This should get multicasts on unnumbered PtP links work.
parent 9da4d143
......@@ -413,6 +413,16 @@ sk_open(sock *s)
ASSERT(s->iface);
mreq.imr_ifindex = s->iface->index;
set_inaddr(&mreq.imr_address, s->iface->ip);
#ifdef SO_BINDTODEVICE
{
struct ifreq ifr;
strcpy(ifr.ifr_name, s->iface->name);
if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) < 0)
ERR("SO_BINDTODEVICE");
}
#else
#error Multicasts not supported on PtP devices /* FIXME: Solve it somehow? */
#endif
#else
struct in_addr mreq;
struct ip_mreq mreq_add;
......
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