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Commit f3ea5e44 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
Browse files

ieee802154: add new interface command 



This patch adds a new nl802154 command for adding a new interface
according to a wpan phy via nl802154.

Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 133d3f31

include/net/cfg802154.h

+5 −0
Original line number Diff line number Diff line
@@ -21,6 +21,8 @@ 
#include <linux/mutex.h>

#include <linux/bug.h>



#include <net/nl802154.h>



/* According to the IEEE 802.15.4 stadard the upper most significant bits of

 * the 32-bit channel bitmaps shall be used as an integer value to specify 32

 * possible channel pages. The lower 27 bits of the channel bit map shall be
@@ -37,6 +39,9 @@ struct cfg802154_ops { 
							   int type);

	void	(*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,

					       struct net_device *dev);

	int	(*add_virtual_intf)(struct wpan_phy *wpan_phy,

				    const char *name,

				    enum nl802154_iftype type);

	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);

net/ieee802154/nl802154.c

+34 −0
Original line number Diff line number Diff line
@@ -551,6 +551,32 @@ static int nl802154_get_interface(struct sk_buff *skb, struct genl_info *info) 
	return genlmsg_reply(msg, info);

}



static int nl802154_new_interface(struct sk_buff *skb, struct genl_info *info)

{

	struct cfg802154_registered_device *rdev = info->user_ptr[0];

	enum nl802154_iftype type = NL802154_IFTYPE_UNSPEC;



	/* TODO avoid failing a new interface

	 * creation due to pending removal?

	 */



	if (!info->attrs[NL802154_ATTR_IFNAME])

		return -EINVAL;



	if (info->attrs[NL802154_ATTR_IFTYPE]) {

		type = nla_get_u32(info->attrs[NL802154_ATTR_IFTYPE]);

		if (type > NL802154_IFTYPE_MAX)

			return -EINVAL;

	}



	if (!rdev->ops->add_virtual_intf)

		return -EOPNOTSUPP;



	return rdev_add_virtual_intf(rdev,

				     nla_data(info->attrs[NL802154_ATTR_IFNAME]),

				     type);

}



static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info)

{

	struct cfg802154_registered_device *rdev = info->user_ptr[0];
@@ -818,6 +844,14 @@ static const struct genl_ops nl802154_ops[] = { 
		.internal_flags = NL802154_FLAG_NEED_WPAN_DEV |

				  NL802154_FLAG_NEED_RTNL,

	},

	{

		.cmd = NL802154_CMD_NEW_INTERFACE,

		.doit = nl802154_new_interface,

		.policy = nl802154_policy,

		.flags = GENL_ADMIN_PERM,

		.internal_flags = NL802154_FLAG_NEED_WPAN_PHY |

				  NL802154_FLAG_NEED_RTNL,

	},

	{

		.cmd = NL802154_CMD_SET_CHANNEL,

		.doit = nl802154_set_channel,

net/ieee802154/rdev-ops.h

+7 −0
Original line number Diff line number Diff line
@@ -20,6 +20,13 @@ rdev_del_virtual_intf_deprecated(struct cfg802154_registered_device *rdev, 
	rdev->ops->del_virtual_intf_deprecated(&rdev->wpan_phy, dev);

}



static inline int

rdev_add_virtual_intf(struct cfg802154_registered_device *rdev, char *name,

		      enum nl802154_iftype type)

{

	return rdev->ops->add_virtual_intf(&rdev->wpan_phy, name, type);

}



static inline int

rdev_set_channel(struct cfg802154_registered_device *rdev, u8 page, u8 channel)

{

net/mac802154/cfg.c

+15 −0
Original line number Diff line number Diff line
@@ -42,6 +42,20 @@ static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy, 
	ieee802154_if_remove(sdata);

}



static int

ieee802154_add_iface(struct wpan_phy *phy, const char *name,

		     enum nl802154_iftype type)

{

	struct ieee802154_local *local = wpan_phy_priv(phy);

	struct net_device *err;



	err = ieee802154_if_add(local, name, type);

	if (IS_ERR(err))

		return PTR_ERR(err);



	return 0;

}



static int

ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel)

{
@@ -175,6 +189,7 @@ ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, 
const struct cfg802154_ops mac802154_config_ops = {

	.add_virtual_intf_deprecated = ieee802154_add_iface_deprecated,

	.del_virtual_intf_deprecated = ieee802154_del_iface_deprecated,

	.add_virtual_intf = ieee802154_add_iface,

	.set_channel = ieee802154_set_channel,

	.set_pan_id = ieee802154_set_pan_id,

	.set_short_addr = ieee802154_set_short_addr,