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