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authorTony Cheneau <tony.cheneau@amnesiak.org>2013-03-25 17:59:29 +0000
committerDavid S. Miller <davem@davemloft.net>2013-03-26 12:37:58 -0400
commit0483546a3de329cad7705d42962edb09a28794c6 (patch)
treecbf7d3689d783348ffeccf037cf6ef54794ef2d5
parentd4ac32365dcbfd341a87eae444c26679f889249a (diff)
downloadop-kernel-dev-0483546a3de329cad7705d42962edb09a28794c6.zip
op-kernel-dev-0483546a3de329cad7705d42962edb09a28794c6.tar.gz
mac802154: add mac802154_dev_get_dsn()
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>
-rw-r--r--net/mac802154/mac802154.h1
-rw-r--r--net/mac802154/mac_cmd.c1
-rw-r--r--net/mac802154/mib.c9
3 files changed, 11 insertions, 0 deletions
diff --git a/net/mac802154/mac802154.h b/net/mac802154/mac802154.h
index a4dcaf1..21fa386 100644
--- a/net/mac802154/mac802154.h
+++ b/net/mac802154/mac802154.h
@@ -114,5 +114,6 @@ void mac802154_dev_set_ieee_addr(struct net_device *dev);
u16 mac802154_dev_get_pan_id(const struct net_device *dev);
void mac802154_dev_set_pan_id(struct net_device *dev, u16 val);
void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan);
+u8 mac802154_dev_get_dsn(const struct net_device *dev);
#endif /* MAC802154_H */
diff --git a/net/mac802154/mac_cmd.c b/net/mac802154/mac_cmd.c
index d8d2770..a99910d 100644
--- a/net/mac802154/mac_cmd.c
+++ b/net/mac802154/mac_cmd.c
@@ -73,4 +73,5 @@ struct ieee802154_mlme_ops mac802154_mlme_wpan = {
.start_req = mac802154_mlme_start_req,
.get_pan_id = mac802154_dev_get_pan_id,
.get_short_addr = mac802154_dev_get_short_addr,
+ .get_dsn = mac802154_dev_get_dsn,
};
diff --git a/net/mac802154/mib.c b/net/mac802154/mib.c
index f47781a..f03e55f 100644
--- a/net/mac802154/mib.c
+++ b/net/mac802154/mib.c
@@ -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,
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