bfdd: fix echo loopback function

Add the address family to the sockaddr structure otherwise `sendmsg`
will fail with `EAFNOSUPPORT`.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>

diff --git a/bfdd/bfd_packet.c b/bfdd/bfd_packet.c
index 69d27ed698080ff77893b245e5f8b2e8ef612f65..93677ec85aceeb7709385a07c652682b843d73aa 100644 (file)
--- a/bfdd/bfd_packet.c
+++ b/bfdd/bfd_packet.c
@@ -141,6 +141,7 @@ void ptm_bfd_echo_snd(struct bfd_session *bfd)
        if (BFD_CHECK_FLAG(bfd->flags, BFD_SESS_FLAG_IPV6)) {
                sd = bglobal.bg_echov6;
                memset(&sin6, 0, sizeof(sin6));
+               sin6.sin6_family = AF_INET6;
                memcpy(&sin6.sin6_addr, &bfd->key.peer, sizeof(sin6.sin6_addr));
                if (bfd->ifp && IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr))
                        sin6.sin6_scope_id = bfd->ifp->ifindex;
@@ -155,6 +156,7 @@ void ptm_bfd_echo_snd(struct bfd_session *bfd)
        } else {
                sd = bglobal.bg_echo;
                memset(&sin6, 0, sizeof(sin6));
+               sin.sin_family = AF_INET;
                memcpy(&sin.sin_addr, &bfd->key.peer, sizeof(sin.sin_addr));
                sin.sin_port = htons(BFD_DEF_ECHO_PORT);
 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN