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| author | Martin Mares <mj@ucw.cz> | 1999-04-14 13:21:02 +0200 |
|---|---|---|
| committer | Martin Mares <mj@ucw.cz> | 1999-04-14 13:21:02 +0200 |
| commit | 36154beb705cdaf03f9ee050798d9e653ded6ca5 (patch) | |
| tree | 0a22b3d175374f84f0f766bf794993bc09aaaeec /sysdep | |
| parent | 9da4d143402efd16bec286e3723b42386b20968b (diff) | |
| download | bird-36154beb705cdaf03f9ee050798d9e653ded6ca5.tar bird-36154beb705cdaf03f9ee050798d9e653ded6ca5.zip | |
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.
Diffstat (limited to 'sysdep')
| -rw-r--r-- | sysdep/unix/io.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c index d98972c..02de2fa 100644 --- a/sysdep/unix/io.c +++ b/sysdep/unix/io.c @@ -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; |