diff options
| author | alex.bluesman.smirnov@gmail.com <alex.bluesman.smirnov@gmail.com> | 2012-05-15 20:50:20 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-16 15:16:35 -0400 |
| commit | 1010f540181b00c7013eeb04d1bf8aedd5a56835 (patch) | |
| tree | d339760efacbff5cec1446e463a0699b5636d30c /net/mac802154/mac802154.h | |
| parent | 0afd7ad9de6b85c0f7ad9edf787de854c8e2fbb5 (diff) | |
mac802154: allocation of ieee802154 device
An interface to allocate and register ieee802154 compatible device.
The allocated device has the following representation in memory:
+-----------------------+
| struct wpan_phy |
+-----------------------+
| struct mac802154_priv |
+-----------------------+
| driver's private data |
+-----------------------+
Used by device drivers to register new instance in the stack.
Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac802154/mac802154.h')
| -rw-r--r-- | net/mac802154/mac802154.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/net/mac802154/mac802154.h b/net/mac802154/mac802154.h new file mode 100644 index 00000000000..980d0a24040 --- /dev/null +++ b/net/mac802154/mac802154.h @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2007-2012 Siemens AG + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Written by: + * Pavel Smolenskiy <pavel.smolenskiy@gmail.com> + * Maxim Gorbachyov <maxim.gorbachev@siemens.com> + * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> + * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> + */ +#ifndef MAC802154_H +#define MAC802154_H + +/* mac802154 device private data */ +struct mac802154_priv { + struct ieee802154_dev hw; + struct ieee802154_ops *ops; + + /* ieee802154 phy */ + struct wpan_phy *phy; + + int open_count; + + /* As in mac80211 slaves list is modified: + * 1) under the RTNL + * 2) protected by slaves_mtx; + * 3) in an RCU manner + * + * So atomic readers can use any of this protection methods. + */ + struct list_head slaves; + struct mutex slaves_mtx; + + /* This one is used for scanning and other jobs not to be interfered + * with serial driver. + */ + struct workqueue_struct *dev_workqueue; + + /* SoftMAC device is registered and running. One can add subinterfaces. + * This flag should be modified under slaves_mtx and RTNL, so you can + * read them using any of protection methods. + */ + bool running; +}; + +#define MAC802154_DEVICE_STOPPED 0x00 +#define MAC802154_DEVICE_RUN 0x01 + +#define mac802154_to_priv(_hw) container_of(_hw, struct mac802154_priv, hw) + +#endif /* MAC802154_H */ |