Sergey Lapin | 9ec7671 | 2009-06-08 12:18:48 +0000 | [diff] [blame] | 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | /* |
| 78 | * This should be located at net_device->ml_priv |
| 79 | */ |
| 80 | struct ieee802154_mlme_ops { |
| 81 | int (*assoc_req)(struct net_device *dev, |
| 82 | struct ieee802154_addr *addr, |
| 83 | u8 channel, u8 cap); |
| 84 | int (*assoc_resp)(struct net_device *dev, |
| 85 | struct ieee802154_addr *addr, |
| 86 | u16 short_addr, u8 status); |
| 87 | int (*disassoc_req)(struct net_device *dev, |
| 88 | struct ieee802154_addr *addr, |
| 89 | u8 reason); |
| 90 | int (*start_req)(struct net_device *dev, |
| 91 | struct ieee802154_addr *addr, |
| 92 | u8 channel, u8 bcn_ord, u8 sf_ord, |
| 93 | u8 pan_coord, u8 blx, u8 coord_realign); |
| 94 | int (*scan_req)(struct net_device *dev, |
| 95 | u8 type, u32 channels, u8 duration); |
| 96 | |
| 97 | /* |
| 98 | * FIXME: these should become the part of PIB/MIB interface. |
| 99 | * However we still don't have IB interface of any kind |
| 100 | */ |
| 101 | u16 (*get_pan_id)(struct net_device *dev); |
| 102 | u16 (*get_short_addr)(struct net_device *dev); |
| 103 | u8 (*get_dsn)(struct net_device *dev); |
| 104 | u8 (*get_bsn)(struct net_device *dev); |
| 105 | }; |
| 106 | |
| 107 | static inline struct ieee802154_mlme_ops *ieee802154_mlme_ops( |
| 108 | struct net_device *dev) |
| 109 | { |
| 110 | return dev->ml_priv; |
| 111 | } |
| 112 | |
| 113 | #endif |
| 114 | |
| 115 | |