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| author | Ilan Elias <ilane@ti.com> | 2012-08-15 11:46:23 +0300 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-09-25 00:17:23 +0200 |
| commit | ac206838403411e617dbe0e7df1891ee957f1f9a (patch) | |
| tree | c71cced20fcdac75ae4d0e2f7925965f54289485 | |
| parent | 7e0352306f6869b442a574a8e691f126c9fe930a (diff) | |
| download | linux-3.10-ac206838403411e617dbe0e7df1891ee957f1f9a.tar.gz linux-3.10-ac206838403411e617dbe0e7df1891ee957f1f9a.tar.bz2 linux-3.10-ac206838403411e617dbe0e7df1891ee957f1f9a.zip | |
NFC: Parse NCI NFC-DEP activation params
Signed-off-by: Ilan Elias <ilane@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| -rw-r--r-- | include/net/nfc/nci.h | 6 | ||||
| -rw-r--r-- | net/nfc/nci/ntf.c | 32 |
2 files changed, 38 insertions, 0 deletions
diff --git a/include/net/nfc/nci.h b/include/net/nfc/nci.h index d260ef3629d..88785e5c6b2 100644 --- a/include/net/nfc/nci.h +++ b/include/net/nfc/nci.h @@ -351,6 +351,11 @@ struct activation_params_nfcb_poll_iso_dep { __u8 attrib_res[50]; }; +struct activation_params_poll_nfc_dep { + __u8 atr_res_len; + __u8 atr_res[63]; +}; + struct nci_rf_intf_activated_ntf { __u8 rf_discovery_id; __u8 rf_interface; @@ -374,6 +379,7 @@ struct nci_rf_intf_activated_ntf { union { struct activation_params_nfca_poll_iso_dep nfca_poll_iso_dep; struct activation_params_nfcb_poll_iso_dep nfcb_poll_iso_dep; + struct activation_params_poll_nfc_dep poll_nfc_dep; } activation_params; } __packed; diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c index af7a93b0439..6e17661a41a 100644 --- a/net/nfc/nci/ntf.c +++ b/net/nfc/nci/ntf.c @@ -361,6 +361,33 @@ static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev, return NCI_STATUS_OK; } +static int nci_extract_activation_params_nfc_dep(struct nci_dev *ndev, + struct nci_rf_intf_activated_ntf *ntf, __u8 *data) +{ + struct activation_params_poll_nfc_dep *poll; + int i; + + switch (ntf->activation_rf_tech_and_mode) { + case NCI_NFC_A_PASSIVE_POLL_MODE: + case NCI_NFC_F_PASSIVE_POLL_MODE: + poll = &ntf->activation_params.poll_nfc_dep; + poll->atr_res_len = min_t(__u8, *data++, 63); + pr_debug("atr_res_len %d\n", poll->atr_res_len); + if (poll->atr_res_len > 0) { + for (i = 0; i < poll->atr_res_len; i++) + poll->atr_res[poll->atr_res_len-1-i] = data[i]; + } + break; + + default: + pr_err("unsupported activation_rf_tech_and_mode 0x%x\n", + ntf->activation_rf_tech_and_mode); + return NCI_STATUS_RF_PROTOCOL_ERROR; + } + + return NCI_STATUS_OK; +} + static void nci_target_auto_activated(struct nci_dev *ndev, struct nci_rf_intf_activated_ntf *ntf) { @@ -454,6 +481,11 @@ static void nci_rf_intf_activated_ntf_packet(struct nci_dev *ndev, &ntf, data); break; + case NCI_RF_INTERFACE_NFC_DEP: + err = nci_extract_activation_params_nfc_dep(ndev, + &ntf, data); + break; + case NCI_RF_INTERFACE_FRAME: /* no activation params */ break; |