netdev - [PATCH net] ipx: restore token ring define to include/linux/ipx.h

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Date:	Wed, 23 May 2012 10:43:45 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Stephen Hemminger <shemminger@...tta.com>
Subject: [PATCH net] ipx: restore token ring define to include/linux/ipx.h

Commit 211ed865108e24697b44bee5daac502ee6bdd4a4

    "net: delete all instances of special processing for token ring"

removed the define for IPX_FRAME_TR_8022.

While it is unlikely, we can't be 100% sure that there aren't
random userspace consumers of this value, so restore it.

The only instance I could find was in ncpfs-2.2.6, and it was
safe as-is, since it used #ifdef IPX_FRAME_TR_8022 around the
two use cases it had, but there may be other userspace packages
without similar ifdefs.

Cc: Stephen Hemminger <shemminger@...tta.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>

diff --git a/include/linux/ipx.h b/include/linux/ipx.h
index 8f02439..3d48014 100644
--- a/include/linux/ipx.h
+++ b/include/linux/ipx.h
@@ -38,7 +38,7 @@ struct ipx_interface_definition {
 #define IPX_FRAME_8022		2
 #define IPX_FRAME_ETHERII	3
 #define IPX_FRAME_8023		4
-/* obsolete token ring was	5 */
+#define IPX_FRAME_TR_8022       5 /* obsolete */
 	unsigned char ipx_special;
 #define IPX_SPECIAL_NONE	0
 #define IPX_PRIMARY		1
-- 
1.7.9.1

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