netdev - [PATCH V6 net-next 1/2] net: introduce socket family constants

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Date:	Mon, 14 Sep 2015 12:42:45 +0200
From:	Ursula Braun <ubraun@...ux.vnet.ibm.com>
To:	davem@...emloft.net
Cc:	utz.bacher@...ibm.com, netdev@...r.kernel.org,
	linux-s390@...r.kernel.org, schwidefsky@...ibm.com,
	heiko.carstens@...ibm.com, ursula.braun@...ibm.com,
	ubraun@...ux.vnet.ibm.com
Subject: [PATCH V6 net-next 1/2] net: introduce socket family constants

From: Ursula Braun <ursula.braun@...ibm.com>

The new socket family is assigned the next available address / protocol
family constant 41.

Signed-off-by: Ursula Braun <ursula.braun@...ibm.com>
---
 include/linux/socket.h |  4 +++-
 include/net/smc.h      | 12 ++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 include/net/smc.h

diff --git a/include/linux/socket.h b/include/linux/socket.h
index 5bf59c8..1adcbcc 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -200,7 +200,8 @@ struct ucred {
 #define AF_ALG		38	/* Algorithm sockets		*/
 #define AF_NFC		39	/* NFC sockets			*/
 #define AF_VSOCK	40	/* vSockets			*/
-#define AF_MAX		41	/* For now.. */
+#define AF_SMC		41	/* smc sockets			*/
+#define AF_MAX		42	/* For now.. */
 
 /* Protocol families, same as address families. */
 #define PF_UNSPEC	AF_UNSPEC
@@ -246,6 +247,7 @@ struct ucred {
 #define PF_ALG		AF_ALG
 #define PF_NFC		AF_NFC
 #define PF_VSOCK	AF_VSOCK
+#define PF_SMC		AF_SMC
 #define PF_MAX		AF_MAX
 
 /* Maximum queue length specifiable by listen.  */
diff --git a/include/net/smc.h b/include/net/smc.h
new file mode 100644
index 0000000..68cdaae
--- /dev/null
+++ b/include/net/smc.h
@@ -0,0 +1,12 @@
+/*
+ * SMC		Definitions for the SMC protocol.
+ *
+ * Author:	Ursula Braun <ursula.braun@...ibm.com>
+ */
+#ifndef _SMC_H
+#define _SMC_H
+
+/* SMC socket options - disjunct with TCP socket options */
+#define SMC_KEEPALIVE		99	/* start/stop keepalives */
+
+#endif /* _SMC_H */
-- 
2.3.8

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