linux-sg2042/drivers/staging/ozwpan
Dan Carpenter 2516ffac94 staging/ozwpan: info leak in oz_cdev_ioctl()
If we're not maxed out then oz_get_pd_list() leaves part of the "list"
struct uninitialized.  We should clear this so that no stack information
is leaked to userspace.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-22 10:25:46 -07:00
..
Kbuild staging: ozwpan: remove debug allocator 2012-03-02 16:51:09 -08:00
Kconfig staging: ozwpan depends on NET 2012-03-14 12:14:26 -07:00
README staging,ozwpan: Fix typo in comments within staging/ozwpan 2012-04-25 10:59:16 -07:00
TODO staging:ozwpan: Change email address. 2013-01-25 11:23:07 -08:00
ozappif.h staging: ozwpan: Correct ioctl numbers. 2012-06-20 16:05:35 -07:00
ozcdev.c staging/ozwpan: info leak in oz_cdev_ioctl() 2013-04-22 10:25:46 -07:00
ozcdev.h staging/ozwpan: Remove empty and unused function oz_cdev_heartbeat 2013-02-15 15:14:30 -08:00
ozconfig.h staging: ozwpan: remove debug allocator 2012-03-02 16:51:09 -08:00
ozeltbuf.c staging/ozwpan: Fix NULL vs zero in ozeltbuf.c (sparse warning) 2013-02-15 10:23:50 -08:00
ozeltbuf.h staging: ozwpan: Added device state support 2012-02-24 09:26:51 -08:00
ozevent.c staging/ozwpan: Mark local functions as static (fix sparse warnings) 2013-02-15 15:14:30 -08:00
ozevent.h staging: ozwpan: Replace existing event logging mechanism 2012-04-10 09:40:52 -07:00
ozeventdef.h staging: ozwpan: Replace existing event logging mechanism 2012-04-10 09:40:52 -07:00
ozhcd.c staging/ozwpan: Mark read only parameters and structs as const 2013-02-15 15:14:30 -08:00
ozhcd.h staging: ozwpan: Added USB HCD implementation 2012-02-24 09:26:51 -08:00
ozmain.c staging/ozwpan: Mark local functions as static (fix sparse warnings) 2013-02-15 15:14:30 -08:00
ozpd.c staging/ozwpan: Mark read only parameters and structs as const 2013-02-15 15:14:30 -08:00
ozpd.h staging/ozwpan: Mark read only parameters and structs as const 2013-02-15 15:14:30 -08:00
ozproto.c staging/ozwpan: Mark read only parameters and structs as const 2013-02-15 15:14:30 -08:00
ozproto.h staging/ozwpan: Mark read only parameters and structs as const 2013-02-15 15:14:30 -08:00
ozprotocol.h staging: ozwpan: isoc latency for audio burst 2012-08-13 19:17:17 -07:00
oztrace.c staging: ozwpan: Added debug support 2012-02-24 09:26:52 -08:00
oztrace.h staging: ozwpan: Added debug support 2012-02-24 09:26:52 -08:00
ozurbparanoia.c staging: ozwpan: Added debug support 2012-02-24 09:26:52 -08:00
ozurbparanoia.h staging: ozwpan: Added debug support 2012-02-24 09:26:52 -08:00
ozusbif.h staging/ozwpan: Mark read only parameters and structs as const 2013-02-15 15:14:30 -08:00
ozusbsvc.c staging/ozwpan: Fix NULL vs zero in ozusbsvc.c (sparse warning) 2013-02-15 10:25:11 -08:00
ozusbsvc.h staging: ozwpan: Added USB service to protocol 2012-02-24 09:26:51 -08:00
ozusbsvc1.c staging/ozwpan: Mark read only parameters and structs as const 2013-02-15 15:14:30 -08:00

README

OZWPAN USB Host Controller Driver
---------------------------------
This driver is a USB HCD driver that does not have an associated a physical
device but instead uses Wi-Fi to communicate with the wireless peripheral.
The USB requests are converted into a layer 2 network protocol and transmitted
on the network using an ethertype (0x892e) regestered to Ozmo Device Inc.
This driver is compatible with existing wireless devices that use Ozmo Devices
technology.

To operate the driver must be bound to a suitable network interface. This can
be done when the module is loaded (specifying the name of the network interface
as a parameter - e.g. 'insmod ozwpan g_net_dev=go0') or can be bound after
loading using an ioctl call. See the ozappif.h file and the ioctls
OZ_IOCTL_ADD_BINDING and OZ_IOCTL_REMOVE_BINDING.

The devices connect to the host use Wi-Fi Direct so a network card that supports
Wi-Fi direct is required. A recent version (0.8.x or later) version of the
wpa_supplicant can be used to setup the network interface to create a persistent
autonomous group (for older pre-WFD peripherals) or put in a listen state to
allow group negotiation to occur for more recent devices that support WFD.

The protocol used over the network does not directly mimic the USB bus
transactions as this would be rather busy and inefficient. Instead the chapter 9
requests are converted into a request/response pair of messages. (See
ozprotocol.h for data structures used in the protocol).