Commit b17adf07 authored May 10, 2021 by Toke Høiland-Jørgensen Committed by Ondrej Zajicek (work) May 10, 2021

BSD: Propagate OS-level IFF_MULTICAST to internal IF_MULTICAST flag

The BSD code did not propagate the OS-level IFF_MULTICAST flag to the
Bird-internal IF_MULTICAST flag, which causes problems with Wireguard
interfaces on FreeBSD. The Linux sysdep code does propagate the flag
already, so just copy over the same check and flag update.

parent 2a0af925

sysdep/bsd/krt-sock.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -665,6 +665,9 @@ krt_read_ifinfo(struct ks_msg *msg, int scan)
		else
		f.flags \|= IF_MULTIACCESS; /* NBMA */

		if (fl & IFF_MULTICAST)
		f.flags \|= IF_MULTICAST;

		iface = if_update(&f);

		if (!scan)

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