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authorAlexander Aring <alex.aring@gmail.com>2013-12-17 14:21:21 +0100
committerMarcel Holtmann <marcel@holtmann.org>2013-12-17 06:16:47 -0800
commit3109f2e28b0a3216e07d4933d28a8480c6520379 (patch)
treec65c1fa607ed599a3922a1f820ede8270ad86fe8 /net/ieee802154
parent787949039fcd87b58aabeb494d031912209086ae (diff)
downloadop-kernel-dev-3109f2e28b0a3216e07d4933d28a8480c6520379.zip
op-kernel-dev-3109f2e28b0a3216e07d4933d28a8480c6520379.tar.gz
6lowpan: introduce lowpan_push_hc_data function
This patch introduce the lowpan_push_hc_data function to set data in the iphc buffer. It's a common case to set data and increase the buffer pointer. This helper function can be used many times in header_compress function to generate the iphc header. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/6lowpan.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ieee802154/6lowpan.h b/net/ieee802154/6lowpan.h
index 10909e5..4981bf8 100644
--- a/net/ieee802154/6lowpan.h
+++ b/net/ieee802154/6lowpan.h
@@ -298,6 +298,13 @@ static inline bool lowpan_fetch_skb(struct sk_buff *skb,
return false;
}
+static inline void lowpan_push_hc_data(u8 **hc_ptr, const void *data,
+ const size_t len)
+{
+ memcpy(*hc_ptr, data, len);
+ *hc_ptr += len;
+}
+
typedef int (*skb_delivery_cb)(struct sk_buff *skb, struct net_device *dev);
int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
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