6lowpan: add frag information struct
This patch adds a 6lowpan fragmentation struct into cb of skb which
is necessary to hold fragmentation information.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h
index 8196d5d..97b2e34 100644
--- a/include/net/ieee802154_netdev.h
+++ b/include/net/ieee802154_netdev.h
@@ -29,6 +29,12 @@
#include <net/af_ieee802154.h>
+struct ieee802154_frag_info {
+ __be16 d_tag;
+ u16 d_size;
+ u8 d_offset;
+};
+
/*
* A control block of skb passed between the ARPHRD_IEEE802154 device
* and other stack parts.
@@ -39,6 +45,7 @@
struct ieee802154_addr da;
u8 flags;
u8 seq;
+ struct ieee802154_frag_info frag_info;
};
static inline struct ieee802154_mac_cb *mac_cb(struct sk_buff *skb)