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8 commits

Author SHA1 Message Date
Samuel Ortiz a69f32af86 NFC: Socket linked list 
Simplify the LLCP sockets structure by putting all the connected ones
into a single linked list.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2012-06-04 21:34:28 +02:00
Samuel Ortiz c7aa12252f NFC: Take a reference on the LLCP local pointer when creating a socket 
LLCP sockets point to their local LLCP service, so they need to take a
reference on it.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2012-06-04 21:34:28 +02:00
Samuel Ortiz 427a2eb1f5 NFC: LLCP code identation fixes 
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 2012-03-06 15:16:24 -05:00
Samuel Ortiz eda21f16a5 NFC: Set MIU and RW values from CONNECT and CC LLCP frames 
We use the maximum values for the LLCP Maximum Information Unit and Receive
Window Size.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 2012-03-06 15:16:22 -05:00
Samuel Ortiz d094afa155 NFC: Send LLCP RR frames to acknowledge received I frames 
In order to acknowledge an I frame, we have to either queue pending local
I frames or queue a receiver ready frame.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 2012-03-06 15:16:22 -05:00
Samuel Ortiz 53a0ac2ee8 NFC: LLCP socket sendmsg implemetation 
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 2012-03-06 15:16:20 -05:00
Samuel Ortiz 4722d2b70b NFC: Factorize the I frame queueing routine 
This one will be called from the I frame command sending.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 2012-03-06 15:16:19 -05:00
Samuel Ortiz d646960f79 NFC: Initial LLCP support 
This patch is an initial implementation for the NFC Logical Link Control
protocol. It's also known as NFC peer to peer mode.
This is a basic implementation as it lacks SDP (services Discovery
Protocol), frames aggregation support, and frame rejecion parsing.
Follow up patches will implement those missing features.
This code has been tested against a Nexus S phone implementing LLCP 1.0.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 2011-12-14 14:50:13 -05:00