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 /* 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_MAX_XMIT_ATTEMPTS     3
  92
  93 #define MAC802154_CHAN_NONE             (~(u8)0) /* No channel is assigned */
  94
  95 extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
  96 extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
  97
  98 int mac802154_slave_open(struct net_device *dev);
  99 int mac802154_slave_close(struct net_device *dev);
 100
 101 void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb);
 102 void mac802154_monitor_setup(struct net_device *dev);
 103
 104 void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb);
 105 void mac802154_wpan_setup(struct net_device *dev);
 106
 107 netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
 108                          u8 page, u8 chan);
 109
 110 /* MIB callbacks */
 111 void mac802154_dev_set_short_addr(struct net_device *dev, u16 val);
 112 u16 mac802154_dev_get_short_addr(const struct net_device *dev);
 113 void mac802154_dev_set_ieee_addr(struct net_device *dev);
 114 u16 mac802154_dev_get_pan_id(const struct net_device *dev);
 115 void mac802154_dev_set_pan_id(struct net_device *dev, u16 val);
 116 void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan);
 117
 118 #endif /* MAC802154_H */