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6lowpan: add private neighbour data

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This patch will introduce a 6lowpan neighbour private data. Like the
interface private data we handle private data for generic 6lowpan and
for link-layer specific 6lowpan.

The current first use case if to save the short address for a 802.15.4
6lowpan neighbour.

Cc: David S. Miller <davem@davemloft.net>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Aring
2016-06-15 21:20:16 +02:00
committed by David S. Miller
parent 6010097806
commit 8626a0c83b
3 changed files with 23 additions and 2 deletions
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10
include/net/6lowpan.h
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@@ -141,6 +141,16 @@ struct lowpan_dev {
u8 priv[0] __aligned(sizeof(void *));
};
struct lowpan_802154_neigh {
__le16 short_addr;
};
static inline
struct lowpan_802154_neigh *lowpan_802154_neigh(void *neigh_priv)
{
return neigh_priv;
}
static inline
struct lowpan_dev *lowpan_dev(const struct net_device *dev)
{