[9/14] Orinoco driver updates - update is_ethersnap()

[David Gibson <hermes@gibson.dropbear.id.au>]

Make the is_ethersnap() function take a void * rather than a pointer
to the internal header structure.  This makes more logical sense and
reduces dependencies between different parts of the code.

Signed-off-by: David Gibson <hermes@gibson.dropbear.id.au>

Index: working-2.6/drivers/net/wireless/orinoco.c
===================================================================
--- working-2.6.orig/drivers/net/wireless/orinoco.c	2005-02-24 14:50:48.426788064 +1100
+++ working-2.6/drivers/net/wireless/orinoco.c	2005-02-24 14:50:50.125529816 +1100
@@ -966,15 +966,17 @@
 
 /* Does the frame have a SNAP header indicating it should be
  * de-encapsulated to Ethernet-II? */
-static inline int is_ethersnap(struct header_struct *hdr)
+static inline int is_ethersnap(void *_hdr)
 {
+	u8 *hdr = _hdr;
+
 	/* We de-encapsulate all packets which, a) have SNAP headers
 	 * (i.e. SSAP=DSAP=0xaa and CTRL=0x3 in the 802.2 LLC header
 	 * and where b) the OUI of the SNAP header is 00:00:00 or
 	 * 00:00:f8 - we need both because different APs appear to use
 	 * different OUIs for some reason */
-	return (memcmp(&hdr->dsap, &encaps_hdr, 5) == 0)
-		&& ( (hdr->oui[2] == 0x00) || (hdr->oui[2] == 0xf8) );
+	return (memcmp(hdr, &encaps_hdr, 5) == 0)
+		&& ( (hdr[5] == 0x00) || (hdr[5] == 0xf8) );
 }
 
 static inline void orinoco_spy_gather(struct net_device *dev, u_char *mac,

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist.  NOT _the_ _other_ _way_
				| _around_!
http://www.ozlabs.org/people/dgibson