1 /* 2 * Copyright (C) 2007-2012 Siemens AG 3 * 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. 7 * 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. 12 * 13 * You should have received a copy of the GNU General Public License along 14 * with this program; if not, write to the Free Software Foundation, Inc., 15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 16 * 17 * Written by: 18 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com> 19 * Maxim Gorbachyov <maxim.gorbachev@siemens.com> 20 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> 21 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> 22 */ 23 #ifndef MAC802154_H 24 #define MAC802154_H 25 26 /* mac802154 device private data */ 27 struct mac802154_priv { 28 struct ieee802154_dev hw; 29 struct ieee802154_ops *ops; 30 31 /* ieee802154 phy */ 32 struct wpan_phy *phy; 33 34 int open_count; 35 36 /* As in mac80211 slaves list is modified: 37 * 1) under the RTNL 38 * 2) protected by slaves_mtx; 39 * 3) in an RCU manner 40 * 41 * So atomic readers can use any of this protection methods. 42 */ 43 struct list_head slaves; 44 struct mutex slaves_mtx; 45 46 /* This one is used for scanning and other jobs not to be interfered 47 * with serial driver. 48 */ 49 struct workqueue_struct *dev_workqueue; 50 51 /* SoftMAC device is registered and running. One can add subinterfaces. 52 * This flag should be modified under slaves_mtx and RTNL, so you can 53 * read them using any of protection methods. 54 */ 55 bool running; 56 }; 57 58 #define MAC802154_DEVICE_STOPPED 0x00 59 #define MAC802154_DEVICE_RUN 0x01 60 61 /* Slave interface definition. 62 * 63 * Slaves represent typical network interfaces available from userspace. 64 * Each ieee802154 device/transceiver may have several slaves and able 65 * to be associated with several networks at the same time. 66 */ 67 struct mac802154_sub_if_data { 68 struct list_head list; /* the ieee802154_priv->slaves list */ 69 70 struct mac802154_priv *hw; 71 struct net_device *dev; 72 73 int type; 74 75 spinlock_t mib_lock; 76 77 __le16 pan_id; 78 __le16 short_addr; 79 80 u8 chan; 81 u8 page; 82 83 /* MAC BSN field */ 84 u8 bsn; 85 /* MAC DSN field */ 86 u8 dsn; 87 }; 88 89 #define mac802154_to_priv(_hw) container_of(_hw, struct mac802154_priv, hw) 90 91 #define MAC802154_CHAN_NONE 0xff /* No channel is assigned */ 92 93 extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced; 94 extern struct ieee802154_mlme_ops mac802154_mlme_wpan; 95 96 int mac802154_slave_open(struct net_device *dev); 97 int mac802154_slave_close(struct net_device *dev); 98 99 void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb); 100 void mac802154_monitor_setup(struct net_device *dev); 101 102 void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb); 103 void mac802154_wpan_setup(struct net_device *dev); 104 105 netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb, 106 u8 page, u8 chan); 107 108 /* MIB callbacks */ 109 void mac802154_dev_set_short_addr(struct net_device *dev, u16 val); 110 u16 mac802154_dev_get_short_addr(const struct net_device *dev); 111 void mac802154_dev_set_ieee_addr(struct net_device *dev); 112 u16 mac802154_dev_get_pan_id(const struct net_device *dev); 113 void mac802154_dev_set_pan_id(struct net_device *dev, u16 val); 114 void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan); 115 u8 mac802154_dev_get_dsn(const struct net_device *dev); 116 117 #endif /* MAC802154_H */ 118