diff -ur linux-2.6.28-rc3-git-orig/include/linux/skbuff.h linux-2.6.28-rc3-git/include/linux/skbuff.h
--- linux-2.6.28-rc3-git-orig/include/linux/skbuff.h	2008-11-06 19:44:23.000000000 -0500
+++ linux-2.6.28-rc3-git/include/linux/skbuff.h	2008-11-08 11:47:46.000000000 -0500
@@ -279,6 +279,14 @@
 	 */
 	char			cb[48];
 
+	/*
+	 * Additional space for layer-specific variables that need to
+	 * survive past dev_queue_xmit(), which clobbers cb above.
+	 * Intended for use by drivers that need additional layer-specific
+	 * parameters in order to transmit a packet properly.
+	 */
+	char			tx_extra[32];
+
 	unsigned int		len,
 				data_len;
 	__u16			mac_len,
diff -ur linux-2.6.28-rc3-git-orig/include/net/irda/irda_device.h linux-2.6.28-rc3-git/include/net/irda/irda_device.h
--- linux-2.6.28-rc3-git-orig/include/net/irda/irda_device.h	2008-11-06 19:44:23.000000000 -0500
+++ linux-2.6.28-rc3-git/include/net/irda/irda_device.h	2008-11-08 11:55:00.000000000 -0500
@@ -230,6 +230,12 @@
 
 void irda_setup_dma(int channel, dma_addr_t buffer, int count, int mode);
 
+
+static inline struct irda_skb_cb *irda_get_skb_cb(struct sk_buff *skb)
+{
+	return (struct irda_skb_cb *)skb->tx_extra;
+}
+
 /*
  * Function irda_get_mtt (skb)
  *