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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>
This commit is contained in:
Alexander Aring 2013-12-17 14:21:21 +01:00 committed by Marcel Holtmann
parent 787949039f
commit 3109f2e28b
1 changed files with 7 additions and 0 deletions
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7
net/ieee802154/6lowpan.h
View File

@ -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,