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 <net/ieee802154_netdev.h>
  27
  28 /* mac802154 device private data */
  29 struct mac802154_priv {
  30         struct ieee802154_dev hw;
  31         struct ieee802154_ops *ops;
  32
  33         /* ieee802154 phy */
  34         struct wpan_phy *phy;
  35
  36         int open_count;
  37
  38         /* As in mac80211 slaves list is modified:
  39          * 1) under the RTNL
  40          * 2) protected by slaves_mtx;
  41          * 3) in an RCU manner
  42          *
  43          * So atomic readers can use any of this protection methods.
  44          */
  45         struct list_head        slaves;
  46         struct mutex            slaves_mtx;
  47
  48         /* This one is used for scanning and other jobs not to be interfered
  49          * with serial driver.
  50          */
  51         struct workqueue_struct *dev_workqueue;
  52
  53         /* SoftMAC device is registered and running. One can add subinterfaces.
  54          * This flag should be modified under slaves_mtx and RTNL, so you can
  55          * read them using any of protection methods.
  56          */
  57         bool running;
  58 };
  59
  60 #define MAC802154_DEVICE_STOPPED        0x00
  61 #define MAC802154_DEVICE_RUN            0x01
  62
  63 /* Slave interface definition.
  64  *
  65  * Slaves represent typical network interfaces available from userspace.
  66  * Each ieee802154 device/transceiver may have several slaves and able
  67  * to be associated with several networks at the same time.
  68  */
  69 struct mac802154_sub_if_data {
  70         struct list_head list; /* the ieee802154_priv->slaves list */
  71
  72         struct mac802154_priv *hw;
  73         struct net_device *dev;
  74
  75         int type;
  76         bool running;
  77
  78         spinlock_t mib_lock;
  79
  80         __le16 pan_id;
  81         __le16 short_addr;
  82         __le64 extended_addr;
  83
  84         u8 chan;
  85         u8 page;
  86
  87         struct ieee802154_mac_params mac_params;
  88
  89         /* MAC BSN field */
  90         u8 bsn;
  91         /* MAC DSN field */
  92         u8 dsn;
  93 };
  94
  95 #define mac802154_to_priv(_hw)  container_of(_hw, struct mac802154_priv, hw)
  96
  97 #define MAC802154_CHAN_NONE             0xff /* No channel is assigned */
  98
  99 extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
 100 extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
 101
 102 int mac802154_slave_open(struct net_device *dev);
 103 int mac802154_slave_close(struct net_device *dev);
 104
 105 void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb);
 106 void mac802154_monitor_setup(struct net_device *dev);
 107
 108 void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb);
 109 void mac802154_wpan_setup(struct net_device *dev);
 110
 111 netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
 112                          u8 page, u8 chan);
 113
 114 /* MIB callbacks */
 115 void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val);
 116 __le16 mac802154_dev_get_short_addr(const struct net_device *dev);
 117 void mac802154_dev_set_ieee_addr(struct net_device *dev);
 118 __le16 mac802154_dev_get_pan_id(const struct net_device *dev);
 119 void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val);
 120 void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan);
 121 u8 mac802154_dev_get_dsn(const struct net_device *dev);
 122
 123 int mac802154_set_mac_params(struct net_device *dev,
 124                              const struct ieee802154_mac_params *params);
 125 void mac802154_get_mac_params(struct net_device *dev,
 126                               struct ieee802154_mac_params *params);
 127
 128 #endif /* MAC802154_H */