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* NFC: Add NCI multiple targets supportIlan Elias2012-01-242-2/+41
| | | | | | | | | | | | Add the ability to select between multiple targets in NCI. If only one target is found, it will be auto-activated. If more than one target is found, then DISCOVER_NTF will be generated for each target, and the host should select one by calling DISCOVER_SELECT_CMD. Then, the target will be activated. If the activation fails, GENERIC_ERROR_NTF is generated. Signed-off-by: Ilan Elias <ilane@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: NFC core layer should not set the target_idxIlan Elias2012-01-241-1/+0
| | | | | | | | | | | | | The NFC core layer should not set the target_idx. Instead, the driver layer (e.g. NCI, PN533) should set the target_idx, so that it will be able to identify the target when its I/F (e.g. activate_target) is called. This is required in order to support multiple targets. Note that currently supported drivers (PN533 and NCI) don't use the target_idx in their implementation. Signed-off-by: Ilan Elias <ilane@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Clearly separate NCI states from flagsIlan Elias2012-01-241-4/+10
| | | | | | | | | Make a clear separation between NCI states and flags. This is required in order to support more NCI states (e.g. for multiple targets support). Signed-off-by: Ilan Elias <ilane@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Add NCI data exchange timerIlan Elias2012-01-241-0/+3
| | | | | | | | | Add NCI data exchange timer to catch timeouts, and call the data exchange callback with an error. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Export new attributes sensb_res and sensf_resIlan Elias2012-01-242-2/+25
| | | | | | | | | | | | Export new attributes sensb_res for tech B and sensf_res for tech F in the target info (returned as a response to NFC_CMD_GET_TARGET). The max size of the attributes nfcid1, sensb_res and sensf_res is exported to user space though include/linux/nfc. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Increase NCI deactivate timeoutIlan Elias2012-01-241-1/+1
| | | | | | | | | | Increase NCI deactivate timeout from 5 sec to 30 sec. NCI deactivate procedure might take a long time, depending on the local and remote parameters. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Export a new attribute nfcid1 in target infoIlan Elias2012-01-041-0/+3
| | | | | | | | | | The nfcid1 is the NFC-A identifier. It is exported as an attribute of the target info (returned as a response to NFC_CMD_GET_TARGET). Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Handle error during NCI data exchangeIlan Elias2012-01-041-0/+6
| | | | | | | | | | Add support for NCI Interface Error Notification. When this notification is received and we're during a data exchange transaction, indicate an error to the NFC core layer via the data exchange callback. Signed-off-by: Ilan Elias <ilane@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Update names and structs to NCI spec 1.0 d22Ilan Elias2012-01-042-30/+19
| | | | | | | | Addition, deletion, and modification of NCI constants. Changes in NCI commands, responses, and notifications structures. Signed-off-by: Ilan Elias <ilane@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Set and get DEP general bytesSamuel Ortiz2011-12-141-0/+5
| | | | | | | | | | Without an API for setting and getting the local and remote general bytes, drivers won't be able to properly establish a DEP link. This API also allows them to propagate the remote general bytes they get from the DEP link establishment up to the LLCP layer. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Add a DEP link control netlink commandSamuel Ortiz2011-12-141-0/+11
| | | | | | | | | NFC-DEP (Data Exchange Protocol) is an NFC MAC layer. This command allows to enable and disable the DEP link on to which e.g. LLCP can run. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Add tx skb allocation routineSamuel Ortiz2011-12-141-1/+4
| | | | | | | | | This is a factorization of the current rawsock tx skb allocation routine, as it will be used by the LLCP code. We also rename nfc_alloc_skb to nfc_alloc_recv_skb for consistency sake. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Fix indentation in nci.h fileIlan Elias2011-11-171-42/+42
| | | | | | | Fix indentation in nci.h file. Signed-off-by: Ilan Elias <ilane@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Check if NCI data flow control is usedIlan Elias2011-11-111-0/+3
| | | | | | | | Check if NCI data flow control is used in nci_tx_work. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Removal of unused operations for NCI spec 1.0 d18Ilan Elias2011-11-112-31/+0
| | | | | | | | Remove unused NCI operations, e.g. create static rf connection. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: Update names and structs to NCI spec 1.0 d18Ilan Elias2011-11-112-30/+62
| | | | | | | | | Addition, deletion and modification of NCI constants. Changes in NCI commands, responses and notifications structures. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: protect nci_data_exchange transactionsIlan Elias2011-09-271-0/+1
| | | | | | | | | | Protect 'cb' and 'cb_context' arguments in nci_data_exchange. In fact, this implements a queue with max length of 1 data exchange transactions in parallel. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: basic NCI protocol implementationIlan Elias2011-09-202-0/+496
| | | | | | | | | The NFC Controller Interface (NCI) is a standard communication protocol between an NFC Controller (NFCC) and a Device Host (DH), defined by the NFC Forum. Signed-off-by: Ilan Elias <ilane@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* NFC: move nfc.h from include/net to include/net/nfcIlan Elias2011-09-201-0/+165
The file nfc.h was moved from include/net to include/net/nfc, since new NFC header files will be added to include/net/nfc. Signed-off-by: Ilan Elias <ilane@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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