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Commit ee7b9053 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
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ieee802154: fix byteorder for short address and panid 



This patch changes the byteorder handling for short and panid handling.
We now except to get little endian in nl802154 for these attributes.

Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent cb41c8dd

include/net/cfg802154.h

+2 −2
Original line number Diff line number Diff line
@@ -40,9 +40,9 @@ struct cfg802154_ops { 
				    struct wpan_dev *wpan_dev);

	int	(*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel);

	int	(*set_pan_id)(struct wpan_phy *wpan_phy,

			      struct wpan_dev *wpan_dev, u16 pan_id);

			      struct wpan_dev *wpan_dev, __le16 pan_id);

	int	(*set_short_addr)(struct wpan_phy *wpan_phy,

				  struct wpan_dev *wpan_dev, u16 short_addr);

				  struct wpan_dev *wpan_dev, __le16 short_addr);

	int	(*set_backoff_exponent)(struct wpan_phy *wpan_phy,

					struct wpan_dev *wpan_dev, u8 min_be,

					u8 max_be);

net/ieee802154/nl802154.c

+4 −4
Original line number Diff line number Diff line
@@ -627,7 +627,7 @@ static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info) 
	struct cfg802154_registered_device *rdev = info->user_ptr[0];

	struct net_device *dev = info->user_ptr[1];

	struct wpan_dev *wpan_dev = dev->ieee802154_ptr;

	u16 pan_id;

	__le16 pan_id;



	/* conflict here while tx/rx calls */

	if (netif_running(dev))
@@ -640,7 +640,7 @@ static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info) 
	if (!info->attrs[NL802154_ATTR_PAN_ID])

		return -EINVAL;



	pan_id = nla_get_u16(info->attrs[NL802154_ATTR_PAN_ID]);

	pan_id = nla_get_le16(info->attrs[NL802154_ATTR_PAN_ID]);



	return rdev_set_pan_id(rdev, wpan_dev, pan_id);

}
@@ -650,7 +650,7 @@ static int nl802154_set_short_addr(struct sk_buff *skb, struct genl_info *info) 
	struct cfg802154_registered_device *rdev = info->user_ptr[0];

	struct net_device *dev = info->user_ptr[1];

	struct wpan_dev *wpan_dev = dev->ieee802154_ptr;

	u16 short_addr;

	__le16 short_addr;



	/* conflict here while tx/rx calls */

	if (netif_running(dev))
@@ -663,7 +663,7 @@ static int nl802154_set_short_addr(struct sk_buff *skb, struct genl_info *info) 
	if (!info->attrs[NL802154_ATTR_SHORT_ADDR])

		return -EINVAL;



	short_addr = nla_get_u16(info->attrs[NL802154_ATTR_SHORT_ADDR]);

	short_addr = nla_get_le16(info->attrs[NL802154_ATTR_SHORT_ADDR]);



	return rdev_set_short_addr(rdev, wpan_dev, short_addr);

}

net/ieee802154/rdev-ops.h

+2 −2
Original line number Diff line number Diff line
@@ -43,14 +43,14 @@ rdev_set_channel(struct cfg802154_registered_device *rdev, u8 page, u8 channel) 


static inline int

rdev_set_pan_id(struct cfg802154_registered_device *rdev,

		struct wpan_dev *wpan_dev, u16 pan_id)

		struct wpan_dev *wpan_dev, __le16 pan_id)

{

	return rdev->ops->set_pan_id(&rdev->wpan_phy, wpan_dev, pan_id);

}



static inline int

rdev_set_short_addr(struct cfg802154_registered_device *rdev,

		    struct wpan_dev *wpan_dev, u16 short_addr)

		    struct wpan_dev *wpan_dev, __le16 short_addr)

{

	return rdev->ops->set_short_addr(&rdev->wpan_phy, wpan_dev, short_addr);

}

net/mac802154/cfg.c

+7 −7
Original line number Diff line number Diff line
@@ -88,7 +88,7 @@ ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel) 


static int

ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,

		      u16 pan_id)

		      __le16 pan_id)

{

	ASSERT_RTNL();
@@ -99,10 +99,10 @@ ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, 
	 *

	 * This could useful to simple deassociate an device.

	 */

	if (pan_id == IEEE802154_PAN_ID_BROADCAST)

	if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST))

		return -EINVAL;



	wpan_dev->pan_id = cpu_to_le16(pan_id);

	wpan_dev->pan_id = pan_id;

	return 0;

}
@@ -125,7 +125,7 @@ ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy, 


static int

ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,

			  u16 short_addr)

			  __le16 short_addr)

{

	ASSERT_RTNL();
@@ -140,11 +140,11 @@ ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, 
	 * I think we should allow to set these settings but

	 * don't allow to allow socket communication with it.

	 */

	if (short_addr == IEEE802154_ADDR_SHORT_UNSPEC ||

	    short_addr == IEEE802154_ADDR_SHORT_BROADCAST)

	if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) ||

	    short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST))

		return -EINVAL;



	wpan_dev->short_addr = cpu_to_le16(short_addr);

	wpan_dev->short_addr = short_addr;

	return 0;

}