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/ieee802154.h>
21 #include <linux/netdevice.h>
22 #include <linux/mutex.h>
23 #include <linux/bug.h>
25 #include <net/nl802154.h>
30 struct cfg802154_ops {
31 struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
33 unsigned char name_assign_type,
35 void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
36 struct net_device *dev);
37 int (*suspend)(struct wpan_phy *wpan_phy);
38 int (*resume)(struct wpan_phy *wpan_phy);
39 int (*add_virtual_intf)(struct wpan_phy *wpan_phy,
41 unsigned char name_assign_type,
42 enum nl802154_iftype type,
43 __le64 extended_addr);
44 int (*del_virtual_intf)(struct wpan_phy *wpan_phy,
45 struct wpan_dev *wpan_dev);
46 int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel);
47 int (*set_cca_mode)(struct wpan_phy *wpan_phy,
48 const struct wpan_phy_cca *cca);
49 int (*set_cca_ed_level)(struct wpan_phy *wpan_phy, s32 ed_level);
50 int (*set_tx_power)(struct wpan_phy *wpan_phy, s32 power);
51 int (*set_pan_id)(struct wpan_phy *wpan_phy,
52 struct wpan_dev *wpan_dev, __le16 pan_id);
53 int (*set_short_addr)(struct wpan_phy *wpan_phy,
54 struct wpan_dev *wpan_dev, __le16 short_addr);
55 int (*set_backoff_exponent)(struct wpan_phy *wpan_phy,
56 struct wpan_dev *wpan_dev, u8 min_be,
58 int (*set_max_csma_backoffs)(struct wpan_phy *wpan_phy,
59 struct wpan_dev *wpan_dev,
60 u8 max_csma_backoffs);
61 int (*set_max_frame_retries)(struct wpan_phy *wpan_phy,
62 struct wpan_dev *wpan_dev,
63 s8 max_frame_retries);
64 int (*set_lbt_mode)(struct wpan_phy *wpan_phy,
65 struct wpan_dev *wpan_dev, bool mode);
66 int (*set_ackreq_default)(struct wpan_phy *wpan_phy,
67 struct wpan_dev *wpan_dev, bool ackreq);
71 wpan_phy_supported_bool(bool b, enum nl802154_supported_bool_states st)
74 case NL802154_SUPPORTED_BOOL_TRUE:
76 case NL802154_SUPPORTED_BOOL_FALSE:
78 case NL802154_SUPPORTED_BOOL_BOTH:
87 struct wpan_phy_supported {
88 u32 channels[IEEE802154_MAX_PAGE + 1],
89 cca_modes, cca_opts, iftypes;
90 enum nl802154_supported_bool_states lbt;
91 u8 min_minbe, max_minbe, min_maxbe, max_maxbe,
92 min_csma_backoffs, max_csma_backoffs;
93 s8 min_frame_retries, max_frame_retries;
94 size_t tx_powers_size, cca_ed_levels_size;
95 const s32 *tx_powers, *cca_ed_levels;
99 enum nl802154_cca_modes mode;
100 enum nl802154_cca_opts opt;
104 wpan_phy_cca_cmp(const struct wpan_phy_cca *a, const struct wpan_phy_cca *b)
106 if (a->mode != b->mode)
109 if (a->mode == NL802154_CCA_ENERGY_CARRIER)
110 return a->opt == b->opt;
116 * @WPAN_PHY_FLAG_TRANSMIT_POWER: Indicates that transceiver will support
117 * transmit power setting.
118 * @WPAN_PHY_FLAG_CCA_ED_LEVEL: Indicates that transceiver will support cca ed
120 * @WPAN_PHY_FLAG_CCA_MODE: Indicates that transceiver will support cca mode
123 enum wpan_phy_flags {
124 WPAN_PHY_FLAG_TXPOWER = BIT(1),
125 WPAN_PHY_FLAG_CCA_ED_LEVEL = BIT(2),
126 WPAN_PHY_FLAG_CCA_MODE = BIT(3),
130 /* If multiple wpan_phys are registered and you're handed e.g.
131 * a regular netdev with assigned ieee802154_ptr, you won't
132 * know whether it points to a wpan_phy your driver has registered
133 * or not. Assign this to something global to your driver to
134 * help determine whether you own this wpan_phy or not.
141 * This is a PIB according to 802.15.4-2011.
142 * We do not provide timing-related variables, as they
143 * aren't used outside of driver
147 struct wpan_phy_supported supported;
148 /* current transmit_power in mBm */
150 struct wpan_phy_cca cca;
152 __le64 perm_extended_addr;
154 /* current cca ed threshold in mBm */
157 /* PHY depended MAC PIB values */
159 /* 802.15.4 acronym: Tdsym in usec */
161 /* lifs and sifs periods timing */
167 char priv[0] __aligned(NETDEV_ALIGN);
171 struct wpan_phy *wpan_phy;
174 /* the remainder of this struct should be private to cfg802154 */
175 struct list_head list;
176 struct net_device *netdev;
178 /* lowpan interface, set when the wpan_dev belongs to one lowpan_dev */
179 struct net_device *lowpan_dev;
186 __le64 extended_addr;
200 bool promiscuous_mode;
202 /* fallback for acknowledgment bit setting */
206 #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev)
209 wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size);
210 static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
212 phy->dev.parent = dev;
215 int wpan_phy_register(struct wpan_phy *phy);
216 void wpan_phy_unregister(struct wpan_phy *phy);
217 void wpan_phy_free(struct wpan_phy *phy);
218 /* Same semantics as for class_for_each_device */
219 int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
221 static inline void *wpan_phy_priv(struct wpan_phy *phy)
227 struct wpan_phy *wpan_phy_find(const char *str);
229 static inline void wpan_phy_put(struct wpan_phy *phy)
231 put_device(&phy->dev);
234 static inline const char *wpan_phy_name(struct wpan_phy *phy)
236 return dev_name(&phy->dev);
239 #endif /* __NET_CFG802154_H */