linux-kernel - [RFC PATCH 5/5] net: lorawan: Split skb definitions into another header

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Date:   Wed, 16 Jan 2019 22:25:04 +0800
From:   Jian-Hong Pan <starnight@...cu.edu.tw>
To:     Andreas Färber <afaerber@...e.de>
Cc:     Ben Whitten <ben.whitten@...rdtech.com>,
        linux-lpwan@...ts.infradead.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jian-Hong Pan <starnight@...cu.edu.tw>
Subject: [RFC PATCH 5/5] net: lorawan: Split skb definitions into another header

Split LoRaWAN related skb definitions from lora/lorawan_netdev.h into
another header lora/lorawan_skb.h.

Signed-off-by: Jian-Hong Pan <starnight@...cu.edu.tw>
---
 include/linux/lora/lorawan_netdev.h | 20 -----------------
 include/linux/lora/lorawan_skb.h    | 33 +++++++++++++++++++++++++++++
 net/lorawan/socket.c                |  1 +
 3 files changed, 34 insertions(+), 20 deletions(-)
 create mode 100644 include/linux/lora/lorawan_skb.h

diff --git a/include/linux/lora/lorawan_netdev.h b/include/linux/lora/lorawan_netdev.h
index a6c94cb96bf4..e515ba1ab508 100644
--- a/include/linux/lora/lorawan_netdev.h
+++ b/include/linux/lora/lorawan_netdev.h
@@ -28,24 +28,4 @@ struct sockaddr_lorawan {
 	struct lrw_addr_in addr_in;
 };
 
-/**
- * lrw_mac_cb - This structure holds the control buffer (cb) of sk_buff
- *
- * @devaddr:	the LoRaWAN device address of this LoRaWAN hardware
- */
-struct lrw_mac_cb {
-	u32 devaddr;
-};
-
-/**
- * lrw_get_mac_cb - Get the LoRaWAN MAC control buffer of the sk_buff
- * @skb:	the exchanging sk_buff
- *
- * Return:	the pointer of LoRaWAN MAC control buffer
- */
-static inline struct lrw_mac_cb *lrw_get_mac_cb(struct sk_buff *skb)
-{
-	return (struct lrw_mac_cb *)skb->cb;
-}
-
 #endif
diff --git a/include/linux/lora/lorawan_skb.h b/include/linux/lora/lorawan_skb.h
new file mode 100644
index 000000000000..ea4f900b37be
--- /dev/null
+++ b/include/linux/lora/lorawan_skb.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause */
+/*
+ * LoRaWAN socket buffer related definitions
+ *
+ * Copyright (c) 2018 Jian-Hong Pan <starnight@...cu.edu.tw>
+ */
+
+#ifndef __LORAWAN_SKB_H__
+#define __LORAWAN_SKB_H__
+
+#include <linux/skbuff.h>
+
+/**
+ * lrw_mac_cb - This structure holds the control buffer (cb) of sk_buff
+ *
+ * @devaddr:	the LoRaWAN device address of this LoRaWAN hardware
+ */
+struct lrw_mac_cb {
+	u32 devaddr;
+};
+
+/**
+ * lrw_get_mac_cb - Get the LoRaWAN MAC control buffer of the sk_buff
+ * @skb:	the exchanging sk_buff
+ *
+ * Return:	the pointer of LoRaWAN MAC control buffer
+ */
+static inline struct lrw_mac_cb *lrw_get_mac_cb(struct sk_buff *skb)
+{
+	return (struct lrw_mac_cb *)skb->cb;
+}
+
+#endif
diff --git a/net/lorawan/socket.c b/net/lorawan/socket.c
index 7139fab63159..50559ba0c538 100644
--- a/net/lorawan/socket.c
+++ b/net/lorawan/socket.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/lora/lorawan_netdev.h>
+#include <linux/lora/lorawan_skb.h>
 #include <linux/module.h>
 #include <linux/net.h>
 #include <linux/termios.h>		/* For TIOCOUTQ/INQ */
-- 
2.20.1