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mac802154: add mac802154_dev_get_dsn()

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Bring-over mac802154_dev_get_dsn() function that was present in the
Linux ZigBee kernel. This function is called by the 6LoWPAN code in
order to properly set the DSN (Data Sequence Number) value in the IEEE
802.15.4 frame.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tony Cheneau
2013-03-25 17:59:29 +00:00
committed by David S. Miller
parent d4ac32365d
commit 0483546a3d
3 changed files with 11 additions and 0 deletions
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9
net/mac802154/mib.c
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@@ -159,6 +159,15 @@ void mac802154_dev_set_pan_id(struct net_device *dev, u16 val)
}
}
u8 mac802154_dev_get_dsn(const struct net_device *dev)
{
struct mac802154_sub_if_data *priv = netdev_priv(dev);
BUG_ON(dev->type != ARPHRD_IEEE802154);
return priv->dsn++;
}
static void phy_chan_notify(struct work_struct *work)
{
struct phy_chan_notify_work *nw = container_of(work,