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/*
* An interface between IEEE802.15.4 device and rest of the kernel.
*
* Copyright (C) 2007-2012 Siemens AG
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Written by:
* Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
* Maxim Gorbachyov <maxim.gorbachev@siemens.com>
* Maxim Osipov <maxim.osipov@siemens.com>
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
*/
#ifndef IEEE802154_NETDEVICE_H
#define IEEE802154_NETDEVICE_H
#include <net/af_ieee802154.h>
/*
* A control block of skb passed between the ARPHRD_IEEE802154 device
* and other stack parts.
*/
struct ieee802154_mac_cb {
u8 lqi;
struct ieee802154_addr sa;
struct ieee802154_addr da;
u8 flags;
u8 seq;
};
static inline struct ieee802154_mac_cb *mac_cb(struct sk_buff *skb)
{
return (struct ieee802154_mac_cb *)skb->cb;
}
#define MAC_CB_FLAG_TYPEMASK ((1 << 3) - 1)
#define MAC_CB_FLAG_ACKREQ (1 << 3)
#define MAC_CB_FLAG_SECEN (1 << 4)
#define MAC_CB_FLAG_INTRAPAN (1 << 5)
static inline int mac_cb_is_ackreq(struct sk_buff *skb)
{
return mac_cb(skb)->flags & MAC_CB_FLAG_ACKREQ;
}
static inline int mac_cb_is_secen(struct sk_buff *skb)
{
return mac_cb(skb)->flags & MAC_CB_FLAG_SECEN;
}
static inline int mac_cb_is_intrapan(struct sk_buff *skb)
{
return mac_cb(skb)->flags & MAC_CB_FLAG_INTRAPAN;
}
static inline int mac_cb_type(struct sk_buff *skb)
{
return mac_cb(skb)->flags & MAC_CB_FLAG_TYPEMASK;
}
#define IEEE802154_MAC_SCAN_ED 0
#define IEEE802154_MAC_SCAN_ACTIVE 1
#define IEEE802154_MAC_SCAN_PASSIVE 2
#define IEEE802154_MAC_SCAN_ORPHAN 3
struct wpan_phy;
/*
* This should be located at net_device->ml_priv
*
* get_phy should increment the reference counting on returned phy.
* Use wpan_wpy_put to put that reference.
*/
struct ieee802154_mlme_ops {
/* The following fields are optional (can be NULL). */
int (*assoc_req)(struct net_device *dev,
struct ieee802154_addr *addr,
u8 channel, u8 page, u8 cap);
int (*assoc_resp)(struct net_device *dev,
struct ieee802154_addr *addr,
u16 short_addr, u8 status);
int (*disassoc_req)(struct net_device *dev,
struct ieee802154_addr *addr,
u8 reason);
int (*start_req)(struct net_device *dev,
struct ieee802154_addr *addr,
u8 channel, u8 page, u8 bcn_ord, u8 sf_ord,
u8 pan_coord, u8 blx, u8 coord_realign);
int (*scan_req)(struct net_device *dev,
u8 type, u32 channels, u8 page, u8 duration);
/* The fields below are required. */
struct wpan_phy *(*get_phy)(const struct net_device *dev);
/*
* FIXME: these should become the part of PIB/MIB interface.
* However we still don't have IB interface of any kind
*/
u16 (*get_pan_id)(const struct net_device *dev);
u16 (*get_short_addr)(const struct net_device *dev);
u8 (*get_dsn)(const struct net_device *dev);
};
/* The IEEE 802.15.4 standard defines 2 type of the devices:
* - FFD - full functionality device
* - RFD - reduce functionality device
*
* So 2 sets of mlme operations are needed
*/
struct ieee802154_reduced_mlme_ops {
struct wpan_phy *(*get_phy)(const struct net_device *dev);
};
static inline struct ieee802154_mlme_ops *
ieee802154_mlme_ops(const struct net_device *dev)
{
return dev->ml_priv;
}
static inline struct ieee802154_reduced_mlme_ops *
ieee802154_reduced_mlme_ops(const struct net_device *dev)
{
return dev->ml_priv;
}
#endif