[PATCH 2/4] [IrDA] Monitor mode

[samuel-jcdQHdrhKHMdnm+yROfE0A@public.gmane.org]

[-- Attachment #1: IrDA-monitor-mode.patch --]
[-- Type: text/plain, Size: 1522 bytes --]

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-jcdQHdrhKHMdnm+yROfE0A@public.gmane.org>

Index: net-2.6-quilt/include/linux/irda.h
===================================================================
--- net-2.6-quilt.orig/include/linux/irda.h	2007-05-12 03:04:09.000000000 +0300
+++ net-2.6-quilt/include/linux/irda.h	2007-05-12 03:07:41.000000000 +0300
@@ -242,6 +242,7 @@
 /* IrDA modes */
 #define IRDA_MODE_PRIMARY   0x1
 #define IRDA_MODE_SECONDARY 0x2
+#define IRDA_MODE_MONITOR   0x4
 
 #endif /* KERNEL_IRDA_H */
 
Index: net-2.6-quilt/net/irda/irlap_frame.c
===================================================================
--- net-2.6-quilt.orig/net/irda/irlap_frame.c	2007-05-12 03:02:16.000000000 +0300
+++ net-2.6-quilt/net/irda/irlap_frame.c	2007-05-12 03:07:41.000000000 +0300
@@ -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);
 }
 

-- 

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