[IrDA]: Monitor mode.
Through the IrDA netlink set mode command, we switch to IrDA monitor
mode, where one IrLAP instance receives all the packets on the media,
without ever responding to them.
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 3013c49..25a3444 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -101,6 +101,13 @@
irlap_insert_info(self, skb);
+ if (unlikely(self->mode & IRDA_MODE_MONITOR)) {
+ IRDA_DEBUG(3, "%s(): %s is in monitor mode\n", __FUNCTION__,
+ self->netdev->name);
+ dev_kfree_skb(skb);
+ return;
+ }
+
dev_queue_xmit(skb);
}