1 /*
2 * An interface between IEEE802.15.4 device and rest of the kernel.
3 *
4 * Copyright (C) 2007, 2008, 2009 Siemens AG
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Written by:
20 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
21 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
22 * Maxim Osipov <maxim.osipov@siemens.com>
23 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
24 */
25
26 #ifndef IEEE802154_NETDEVICE_H
27 #define IEEE802154_NETDEVICE_H
28
29 /*
30 * A control block of skb passed between the ARPHRD_IEEE802154 device
31 * and other stack parts.
32 */
33 struct ieee802154_mac_cb {
34 u8 lqi;
35 struct ieee802154_addr sa;
36 struct ieee802154_addr da;
37 u8 flags;
38 u8 seq;
39 };
40
mac_cb(struct sk_buff * skb)41 static inline struct ieee802154_mac_cb *mac_cb(struct sk_buff *skb)
42 {
43 return (struct ieee802154_mac_cb *)skb->cb;
44 }
45
46 #define MAC_CB_FLAG_TYPEMASK ((1 << 3) - 1)
47
48 #define MAC_CB_FLAG_ACKREQ (1 << 3)
49 #define MAC_CB_FLAG_SECEN (1 << 4)
50 #define MAC_CB_FLAG_INTRAPAN (1 << 5)
51
mac_cb_is_ackreq(struct sk_buff * skb)52 static inline int mac_cb_is_ackreq(struct sk_buff *skb)
53 {
54 return mac_cb(skb)->flags & MAC_CB_FLAG_ACKREQ;
55 }
56
mac_cb_is_secen(struct sk_buff * skb)57 static inline int mac_cb_is_secen(struct sk_buff *skb)
58 {
59 return mac_cb(skb)->flags & MAC_CB_FLAG_SECEN;
60 }
61
mac_cb_is_intrapan(struct sk_buff * skb)62 static inline int mac_cb_is_intrapan(struct sk_buff *skb)
63 {
64 return mac_cb(skb)->flags & MAC_CB_FLAG_INTRAPAN;
65 }
66
mac_cb_type(struct sk_buff * skb)67 static inline int mac_cb_type(struct sk_buff *skb)
68 {
69 return mac_cb(skb)->flags & MAC_CB_FLAG_TYPEMASK;
70 }
71
72 #define IEEE802154_MAC_SCAN_ED 0
73 #define IEEE802154_MAC_SCAN_ACTIVE 1
74 #define IEEE802154_MAC_SCAN_PASSIVE 2
75 #define IEEE802154_MAC_SCAN_ORPHAN 3
76
77 struct wpan_phy;
78 /*
79 * This should be located at net_device->ml_priv
80 *
81 * get_phy should increment the reference counting on returned phy.
82 * Use wpan_wpy_put to put that reference.
83 */
84 struct ieee802154_mlme_ops {
85 int (*assoc_req)(struct net_device *dev,
86 struct ieee802154_addr *addr,
87 u8 channel, u8 page, u8 cap);
88 int (*assoc_resp)(struct net_device *dev,
89 struct ieee802154_addr *addr,
90 u16 short_addr, u8 status);
91 int (*disassoc_req)(struct net_device *dev,
92 struct ieee802154_addr *addr,
93 u8 reason);
94 int (*start_req)(struct net_device *dev,
95 struct ieee802154_addr *addr,
96 u8 channel, u8 page, u8 bcn_ord, u8 sf_ord,
97 u8 pan_coord, u8 blx, u8 coord_realign);
98 int (*scan_req)(struct net_device *dev,
99 u8 type, u32 channels, u8 page, u8 duration);
100
101 struct wpan_phy *(*get_phy)(const struct net_device *dev);
102
103 /*
104 * FIXME: these should become the part of PIB/MIB interface.
105 * However we still don't have IB interface of any kind
106 */
107 u16 (*get_pan_id)(const struct net_device *dev);
108 u16 (*get_short_addr)(const struct net_device *dev);
109 u8 (*get_dsn)(const struct net_device *dev);
110 u8 (*get_bsn)(const struct net_device *dev);
111 };
112
ieee802154_mlme_ops(const struct net_device * dev)113 static inline struct ieee802154_mlme_ops *ieee802154_mlme_ops(
114 const struct net_device *dev)
115 {
116 return dev->ml_priv;
117 }
118
119 #endif
120
121
122