diff options
| author | Ilan Elias <ilane@ti.com> | 2012-08-15 11:46:24 +0300 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-09-25 00:17:23 +0200 |
| commit | 767f19ae698e535f308663c48245fa951abebe20 (patch) | |
| tree | 98c9353741a371d9c812f81c577fa36e0c4e5451 /net/nfc/nci/ntf.c | |
| parent | ac206838403411e617dbe0e7df1891ee957f1f9a (diff) | |
| download | linux-767f19ae698e535f308663c48245fa951abebe20.tar.bz2 | |
NFC: Implement NCI dep_link_up and dep_link_down
During NFC-DEP target activation, store the remote
general bytes to be used later in dep_link_up.
When dep_link_up is called, activate the NFC-DEP target,
and forward the remote general bytes.
When dep_link_down is called, deactivate the target.
Signed-off-by: Ilan Elias <ilane@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc/nci/ntf.c')
| -rw-r--r-- | net/nfc/nci/ntf.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c index 6e17661a41a4..b2aa98ef0927 100644 --- a/net/nfc/nci/ntf.c +++ b/net/nfc/nci/ntf.c @@ -176,6 +176,8 @@ static int nci_add_new_protocol(struct nci_dev *ndev, protocol = NFC_PROTO_ISO14443_B_MASK; else if (rf_protocol == NCI_RF_PROTOCOL_T3T) protocol = NFC_PROTO_FELICA_MASK; + else if (rf_protocol == NCI_RF_PROTOCOL_NFC_DEP) + protocol = NFC_PROTO_NFC_DEP_MASK; else protocol = 0; @@ -505,6 +507,24 @@ exit: /* set the available credits to initial value */ atomic_set(&ndev->credits_cnt, ndev->initial_num_credits); + + /* store general bytes to be reported later in dep_link_up */ + if (ntf.rf_interface == NCI_RF_INTERFACE_NFC_DEP) { + ndev->remote_gb_len = 0; + + if (ntf.activation_params_len > 0) { + /* ATR_RES general bytes at offset 15 */ + ndev->remote_gb_len = min_t(__u8, + (ntf.activation_params + .poll_nfc_dep.atr_res_len + - NFC_ATR_RES_GT_OFFSET), + NFC_MAX_GT_LEN); + memcpy(ndev->remote_gb, + (ntf.activation_params.poll_nfc_dep + .atr_res + NFC_ATR_RES_GT_OFFSET), + ndev->remote_gb_len); + } + } } if (atomic_read(&ndev->state) == NCI_DISCOVERY) { |