162 lines
4.1 KiB
C
162 lines
4.1 KiB
C
/*
|
|
* Copyright (C) 2007, 2008, 2009 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.
|
|
*
|
|
* Written by:
|
|
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
|
|
*/
|
|
|
|
#ifndef __NET_CFG802154_H
|
|
#define __NET_CFG802154_H
|
|
|
|
#include <linux/ieee802154.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/bug.h>
|
|
|
|
#include <net/nl802154.h>
|
|
|
|
struct wpan_phy;
|
|
|
|
struct cfg802154_ops {
|
|
struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
|
|
const char *name,
|
|
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,
|
|
__le64 extended_addr);
|
|
int (*del_virtual_intf)(struct wpan_phy *wpan_phy,
|
|
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, __le16 pan_id);
|
|
int (*set_short_addr)(struct wpan_phy *wpan_phy,
|
|
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);
|
|
int (*set_max_csma_backoffs)(struct wpan_phy *wpan_phy,
|
|
struct wpan_dev *wpan_dev,
|
|
u8 max_csma_backoffs);
|
|
int (*set_max_frame_retries)(struct wpan_phy *wpan_phy,
|
|
struct wpan_dev *wpan_dev,
|
|
s8 max_frame_retries);
|
|
int (*set_lbt_mode)(struct wpan_phy *wpan_phy,
|
|
struct wpan_dev *wpan_dev, bool mode);
|
|
};
|
|
|
|
struct wpan_phy {
|
|
struct mutex pib_lock;
|
|
|
|
/* If multiple wpan_phys are registered and you're handed e.g.
|
|
* a regular netdev with assigned ieee802154_ptr, you won't
|
|
* know whether it points to a wpan_phy your driver has registered
|
|
* or not. Assign this to something global to your driver to
|
|
* help determine whether you own this wpan_phy or not.
|
|
*/
|
|
const void *privid;
|
|
|
|
/*
|
|
* This is a PIB according to 802.15.4-2011.
|
|
* We do not provide timing-related variables, as they
|
|
* aren't used outside of driver
|
|
*/
|
|
u8 current_channel;
|
|
u8 current_page;
|
|
u32 channels_supported[IEEE802154_MAX_PAGE + 1];
|
|
s8 transmit_power;
|
|
u8 cca_mode;
|
|
|
|
__le64 perm_extended_addr;
|
|
|
|
s32 cca_ed_level;
|
|
|
|
/* PHY depended MAC PIB values */
|
|
|
|
/* 802.15.4 acronym: Tdsym in usec */
|
|
u8 symbol_duration;
|
|
/* lifs and sifs periods timing */
|
|
u16 lifs_period;
|
|
u16 sifs_period;
|
|
|
|
struct device dev;
|
|
|
|
char priv[0] __aligned(NETDEV_ALIGN);
|
|
};
|
|
|
|
struct wpan_dev {
|
|
struct wpan_phy *wpan_phy;
|
|
int iftype;
|
|
|
|
/* the remainder of this struct should be private to cfg802154 */
|
|
struct list_head list;
|
|
struct net_device *netdev;
|
|
|
|
u32 identifier;
|
|
|
|
/* MAC PIB */
|
|
__le16 pan_id;
|
|
__le16 short_addr;
|
|
__le64 extended_addr;
|
|
|
|
/* MAC BSN field */
|
|
u8 bsn;
|
|
/* MAC DSN field */
|
|
u8 dsn;
|
|
|
|
u8 min_be;
|
|
u8 max_be;
|
|
u8 csma_retries;
|
|
s8 frame_retries;
|
|
|
|
bool lbt;
|
|
|
|
bool promiscuous_mode;
|
|
};
|
|
|
|
#define to_phy(_dev) container_of(_dev, struct wpan_phy, dev)
|
|
|
|
struct wpan_phy *
|
|
wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size);
|
|
static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
|
|
{
|
|
phy->dev.parent = dev;
|
|
}
|
|
|
|
int wpan_phy_register(struct wpan_phy *phy);
|
|
void wpan_phy_unregister(struct wpan_phy *phy);
|
|
void wpan_phy_free(struct wpan_phy *phy);
|
|
/* Same semantics as for class_for_each_device */
|
|
int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
|
|
|
|
static inline void *wpan_phy_priv(struct wpan_phy *phy)
|
|
{
|
|
BUG_ON(!phy);
|
|
return &phy->priv;
|
|
}
|
|
|
|
struct wpan_phy *wpan_phy_find(const char *str);
|
|
|
|
static inline void wpan_phy_put(struct wpan_phy *phy)
|
|
{
|
|
put_device(&phy->dev);
|
|
}
|
|
|
|
static inline const char *wpan_phy_name(struct wpan_phy *phy)
|
|
{
|
|
return dev_name(&phy->dev);
|
|
}
|
|
|
|
#endif /* __NET_CFG802154_H */
|