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6lowpan: add frag information struct

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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>
This commit is contained in:
Alexander Aring 2014-02-28 07:32:43 +01:00 committed by David S. Miller
parent 4e76ca7f3e
commit 89745c9c41
1 changed files with 7 additions and 0 deletions
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7
include/net/ieee802154_netdev.h
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@ -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_mac_cb {
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)