linux-kernel - [PATCH 4.9 28/64] net: l2tp: deprecate PPPOL2TP_MSG_* in favour of L2TP_MSG

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Message-Id: <20200526183921.811733281@linuxfoundation.org>
Date:   Tue, 26 May 2020 20:52:57 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, greg@...ah.com
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Asbjoern Sloth Toennesen <asbjorn@...jorn.st>,
        "David S. Miller" <davem@...emloft.net>,
        Giuliano Procida <gprocida@...gle.com>
Subject: [PATCH 4.9 28/64] net: l2tp: deprecate PPPOL2TP_MSG_* in favour of L2TP_MSG_*

From: Asbjørn Sloth Tønnesen <asbjorn@...jorn.st>

commit 47c3e7783be4e142b861d34b5c2e223330b05d8a upstream.

PPPOL2TP_MSG_* and L2TP_MSG_* are duplicates, and are being used
interchangeably in the kernel, so let's standardize on L2TP_MSG_*
internally, and keep PPPOL2TP_MSG_* defined in UAPI for compatibility.

Signed-off-by: Asbjoern Sloth Toennesen <asbjorn@...jorn.st>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Giuliano Procida <gprocida@...gle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 Documentation/networking/l2tp.txt |    8 ++++----
 include/uapi/linux/if_pppol2tp.h  |   13 ++++++-------
 2 files changed, 10 insertions(+), 11 deletions(-)

--- a/Documentation/networking/l2tp.txt
+++ b/Documentation/networking/l2tp.txt
@@ -177,10 +177,10 @@ setsockopt on the PPPoX socket to set a
 
 The following debug mask bits are available:
 
-PPPOL2TP_MSG_DEBUG    verbose debug (if compiled in)
-PPPOL2TP_MSG_CONTROL  userspace - kernel interface
-PPPOL2TP_MSG_SEQ      sequence numbers handling
-PPPOL2TP_MSG_DATA     data packets
+L2TP_MSG_DEBUG    verbose debug (if compiled in)
+L2TP_MSG_CONTROL  userspace - kernel interface
+L2TP_MSG_SEQ      sequence numbers handling
+L2TP_MSG_DATA     data packets
 
 If enabled, files under a l2tp debugfs directory can be used to dump
 kernel state about L2TP tunnels and sessions. To access it, the
--- a/include/uapi/linux/if_pppol2tp.h
+++ b/include/uapi/linux/if_pppol2tp.h
@@ -18,6 +18,7 @@
 #include <linux/types.h>
 #include <linux/in.h>
 #include <linux/in6.h>
+#include <linux/l2tp.h>
 
 /* Structure used to connect() the socket to a particular tunnel UDP
  * socket over IPv4.
@@ -90,14 +91,12 @@ enum {
 	PPPOL2TP_SO_REORDERTO	= 5,
 };
 
-/* Debug message categories for the DEBUG socket option */
+/* Debug message categories for the DEBUG socket option (deprecated) */
 enum {
-	PPPOL2TP_MSG_DEBUG	= (1 << 0),	/* verbose debug (if
-						 * compiled in) */
-	PPPOL2TP_MSG_CONTROL	= (1 << 1),	/* userspace - kernel
-						 * interface */
-	PPPOL2TP_MSG_SEQ	= (1 << 2),	/* sequence numbers */
-	PPPOL2TP_MSG_DATA	= (1 << 3),	/* data packets */
+	PPPOL2TP_MSG_DEBUG	= L2TP_MSG_DEBUG,
+	PPPOL2TP_MSG_CONTROL	= L2TP_MSG_CONTROL,
+	PPPOL2TP_MSG_SEQ	= L2TP_MSG_SEQ,
+	PPPOL2TP_MSG_DATA	= L2TP_MSG_DATA,
 };