net/mac802154/mac802154.h

   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 */