2 * Copyright (C) 2007, 2008, 2009 Siemens AG
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2
6 * as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
17 #ifndef __NET_CFG802154_H
18 #define __NET_CFG802154_H
20 #include <linux/netdevice.h>
21 #include <linux/mutex.h>
22 #include <linux/bug.h>
24 #include <net/nl802154.h>
26 /* According to the IEEE 802.15.4 stadard the upper most significant bits of
27 * the 32-bit channel bitmaps shall be used as an integer value to specify 32
28 * possible channel pages. The lower 27 bits of the channel bit map shall be
29 * used as a bit mask to specify channel numbers within a channel page.
31 #define WPAN_NUM_CHANNELS 27
32 #define WPAN_NUM_PAGES 32
36 struct cfg802154_ops {
37 struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
40 void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
41 struct net_device *dev);
42 int (*add_virtual_intf)(struct wpan_phy *wpan_phy,
44 enum nl802154_iftype type);
45 int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel);
46 int (*set_pan_id)(struct wpan_phy *wpan_phy,
47 struct wpan_dev *wpan_dev, u16 pan_id);
48 int (*set_short_addr)(struct wpan_phy *wpan_phy,
49 struct wpan_dev *wpan_dev, u16 short_addr);
50 int (*set_backoff_exponent)(struct wpan_phy *wpan_phy,
51 struct wpan_dev *wpan_dev, u8 min_be,
53 int (*set_max_csma_backoffs)(struct wpan_phy *wpan_phy,
54 struct wpan_dev *wpan_dev,
55 u8 max_csma_backoffs);
56 int (*set_max_frame_retries)(struct wpan_phy *wpan_phy,
57 struct wpan_dev *wpan_dev,
58 s8 max_frame_retries);
59 int (*set_lbt_mode)(struct wpan_phy *wpan_phy,
60 struct wpan_dev *wpan_dev, bool mode);
64 struct mutex pib_lock;
66 /* If multiple wpan_phys are registered and you're handed e.g.
67 * a regular netdev with assigned ieee802154_ptr, you won't
68 * know whether it points to a wpan_phy your driver has registered
69 * or not. Assign this to something global to your driver to
70 * help determine whether you own this wpan_phy or not.
75 * This is a PIB according to 802.15.4-2011.
76 * We do not provide timing-related variables, as they
77 * aren't used outside of driver
81 u32 channels_supported[32];
85 __le64 perm_extended_addr;
89 /* PHY depended MAC PIB values */
91 /* 802.15.4 acronym: Tdsym in usec */
93 /* lifs and sifs periods timing */
99 char priv[0] __aligned(NETDEV_ALIGN);
103 struct wpan_phy *wpan_phy;
106 /* the remainder of this struct should be private to cfg802154 */
107 struct list_head list;
108 struct net_device *netdev;
115 __le64 extended_addr;
129 bool promiscuous_mode;
132 #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev)
135 wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size);
136 static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
138 phy->dev.parent = dev;
141 int wpan_phy_register(struct wpan_phy *phy);
142 void wpan_phy_unregister(struct wpan_phy *phy);
143 void wpan_phy_free(struct wpan_phy *phy);
144 /* Same semantics as for class_for_each_device */
145 int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
147 static inline void *wpan_phy_priv(struct wpan_phy *phy)
153 struct wpan_phy *wpan_phy_find(const char *str);
155 static inline void wpan_phy_put(struct wpan_phy *phy)
157 put_device(&phy->dev);
160 static inline const char *wpan_phy_name(struct wpan_phy *phy)
162 return dev_name(&phy->dev);
165 #endif /* __NET_CFG802154_H */