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-rw-r--r--sysdep/bsd/sysio.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/sysdep/bsd/sysio.h b/sysdep/bsd/sysio.h
index 9ee4ade..87c78fb 100644
--- a/sysdep/bsd/sysio.h
+++ b/sysdep/bsd/sysio.h
@@ -150,18 +150,18 @@ sysio_process_rx_cmsgs(sock *s, struct msghdr *msg)
// log(L_WARN "RX %I %d", s->laddr, s->lifindex);
}
-
-void
-sysio_prepare_tx_cmsgs(sock *s, struct msghdr *msg)
+/* Unfortunately, IP_SENDSRCADDR does not work for raw IP sockets on BSD kernels */
+static void
+sysio_prepare_tx_cmsgs(sock *s, struct msghdr *msg, void *cbuf, size_t cbuflen)
{
struct cmsghdr *cm;
struct in_addr *sa;
if (!(s->flags & SKF_LADDR_TX))
- {
- msg->msg_controllen = 0;
- return;
- }
+ return;
+
+ msg->msg_control = cbuf;
+ msg->msg_controllen = cbuflen;
if (s->iface)
{