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authorSamuel Ortiz <samuel@sortiz.org>2007-07-03 05:55:31 (GMT)
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-11 05:16:44 (GMT)
commit411725280bd0058ebb83c0e32133b7a94902c3a6 (patch)
tree7fc21a6c4b07ad80cf426c466400ed4679834e98
parent89da1ecf5483e6aa29b456a15ad6d05a6797c5a5 (diff)
downloadlinux-fsl-qoriq-411725280bd0058ebb83c0e32133b7a94902c3a6.tar.xz
[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>
-rw-r--r--include/linux/irda.h1
-rw-r--r--net/irda/irlap_frame.c7
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/irda.h b/include/linux/irda.h
index 35911bd..8e37357 100644
--- a/include/linux/irda.h
+++ b/include/linux/irda.h
@@ -242,6 +242,7 @@ enum nl80211_attrs {
/* IrDA modes */
#define IRDA_MODE_PRIMARY 0x1
#define IRDA_MODE_SECONDARY 0x2
+#define IRDA_MODE_MONITOR 0x4
#endif /* KERNEL_IRDA_H */
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 @@ void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb)
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);
}