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 #include <linux/mutex.h> 27 #include <net/mac802154.h> 28 #include <net/ieee802154_netdev.h> 29 30 #include "llsec.h" 31 32 /* mac802154 device private data */ 33 struct mac802154_priv { 34 struct ieee802154_dev hw; 35 struct ieee802154_ops *ops; 36 37 /* ieee802154 phy */ 38 struct wpan_phy *phy; 39 40 int open_count; 41 42 /* As in mac80211 slaves list is modified: 43 * 1) under the RTNL 44 * 2) protected by slaves_mtx; 45 * 3) in an RCU manner 46 * 47 * So atomic readers can use any of this protection methods. 48 */ 49 struct list_head slaves; 50 struct mutex slaves_mtx; 51 52 /* This one is used for scanning and other jobs not to be interfered 53 * with serial driver. 54 */ 55 struct workqueue_struct *dev_workqueue; 56 57 /* SoftMAC device is registered and running. One can add subinterfaces. 58 * This flag should be modified under slaves_mtx and RTNL, so you can 59 * read them using any of protection methods. 60 */ 61 bool running; 62 }; 63 64 #define MAC802154_DEVICE_STOPPED 0x00 65 #define MAC802154_DEVICE_RUN 0x01 66 67 /* Slave interface definition. 68 * 69 * Slaves represent typical network interfaces available from userspace. 70 * Each ieee802154 device/transceiver may have several slaves and able 71 * to be associated with several networks at the same time. 72 */ 73 struct mac802154_sub_if_data { 74 struct list_head list; /* the ieee802154_priv->slaves list */ 75 76 struct mac802154_priv *hw; 77 struct net_device *dev; 78 79 int type; 80 bool running; 81 82 spinlock_t mib_lock; 83 84 __le16 pan_id; 85 __le16 short_addr; 86 __le64 extended_addr; 87 88 u8 chan; 89 u8 page; 90 91 struct ieee802154_mac_params mac_params; 92 93 /* MAC BSN field */ 94 u8 bsn; 95 /* MAC DSN field */ 96 u8 dsn; 97 98 /* protects sec from concurrent access by netlink. access by 99 * encrypt/decrypt/header_create safe without additional protection. 100 */ 101 struct mutex sec_mtx; 102 103 struct mac802154_llsec sec; 104 }; 105 106 #define mac802154_to_priv(_hw) container_of(_hw, struct mac802154_priv, hw) 107 108 #define MAC802154_CHAN_NONE 0xff /* No channel is assigned */ 109 110 extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced; 111 extern struct ieee802154_mlme_ops mac802154_mlme_wpan; 112 113 int mac802154_slave_open(struct net_device *dev); 114 int mac802154_slave_close(struct net_device *dev); 115 116 void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb); 117 void mac802154_monitor_setup(struct net_device *dev); 118 119 void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb); 120 void mac802154_wpan_setup(struct net_device *dev); 121 122 netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb, 123 u8 page, u8 chan); 124 125 /* MIB callbacks */ 126 void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val); 127 __le16 mac802154_dev_get_short_addr(const struct net_device *dev); 128 void mac802154_dev_set_ieee_addr(struct net_device *dev); 129 __le16 mac802154_dev_get_pan_id(const struct net_device *dev); 130 void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val); 131 void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan); 132 u8 mac802154_dev_get_dsn(const struct net_device *dev); 133 134 int mac802154_set_mac_params(struct net_device *dev, 135 const struct ieee802154_mac_params *params); 136 void mac802154_get_mac_params(struct net_device *dev, 137 struct ieee802154_mac_params *params); 138 139 int mac802154_get_params(struct net_device *dev, 140 struct ieee802154_llsec_params *params); 141 int mac802154_set_params(struct net_device *dev, 142 const struct ieee802154_llsec_params *params, 143 int changed); 144 145 int mac802154_add_key(struct net_device *dev, 146 const struct ieee802154_llsec_key_id *id, 147 const struct ieee802154_llsec_key *key); 148 int mac802154_del_key(struct net_device *dev, 149 const struct ieee802154_llsec_key_id *id); 150 151 int mac802154_add_dev(struct net_device *dev, 152 const struct ieee802154_llsec_device *llsec_dev); 153 int mac802154_del_dev(struct net_device *dev, __le64 dev_addr); 154 155 int mac802154_add_devkey(struct net_device *dev, 156 __le64 device_addr, 157 const struct ieee802154_llsec_device_key *key); 158 int mac802154_del_devkey(struct net_device *dev, 159 __le64 device_addr, 160 const struct ieee802154_llsec_device_key *key); 161 162 int mac802154_add_seclevel(struct net_device *dev, 163 const struct ieee802154_llsec_seclevel *sl); 164 int mac802154_del_seclevel(struct net_device *dev, 165 const struct ieee802154_llsec_seclevel *sl); 166 167 void mac802154_lock_table(struct net_device *dev); 168 void mac802154_get_table(struct net_device *dev, 169 struct ieee802154_llsec_table **t); 170 void mac802154_unlock_table(struct net_device *dev); 171 172 #endif /* MAC802154_H */ 173