netdev - [PATCH net-next 2/3] net: introduce socket family constants

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Message-Id: <1436195511-32314-3-git-send-email-ubraun@linux.vnet.ibm.com>
Date:	Mon,  6 Jul 2015 17:11:50 +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, ursula.braun@...ibm.com,
	ubraun@...ux.vnet.ibm.com
Subject: [PATCH net-next 2/3] 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 <ubraun@...ux.vnet.ibm.com>
---
 include/linux/socket.h |  4 +++-
 include/net/smc.h      | 13 +++++++++++++
 net/Kconfig            |  1 +
 net/Makefile           |  1 +
 4 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 include/net/smc.h

diff --git a/include/linux/socket.h b/include/linux/socket.h
index 5bf59c8..dd18d32 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..cd513ee
--- /dev/null
+++ b/include/net/smc.h
@@ -0,0 +1,13 @@
+/*
+ * 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 */
+
diff --git a/net/Kconfig b/net/Kconfig
index 57a7c5a..d829694 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -54,6 +54,7 @@ source "net/packet/Kconfig"
 source "net/unix/Kconfig"
 source "net/xfrm/Kconfig"
 source "net/iucv/Kconfig"
+source "net/smc/Kconfig"
 
 config INET
 	bool "TCP/IP networking"
diff --git a/net/Makefile b/net/Makefile
index 3995613..33a5f54 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -49,6 +49,7 @@ obj-$(CONFIG_MAC80211)		+= mac80211/
 obj-$(CONFIG_TIPC)		+= tipc/
 obj-$(CONFIG_NETLABEL)		+= netlabel/
 obj-$(CONFIG_IUCV)		+= iucv/
+obj-$(CONFIG_AFSMC)		+= smc/
 obj-$(CONFIG_RFKILL)		+= rfkill/
 obj-$(CONFIG_NET_9P)		+= 9p/
 obj-$(CONFIG_CAIF)		+= caif/
-- 
2.3.8

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