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@xxxxxxxxx>
---
net/ieee802154/6lowpan.h | 7 +++++++
1 file changed, 7 insertions(+)
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,
--
1.8.5.1
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