summaryrefslogtreecommitdiffstats
path: root/net/nfc/nci/ntf.c
diff options
context:
space:
mode:
authorIlan Elias <ilane@ti.com>2011-11-09 12:09:14 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-11-11 12:32:50 -0500
commite8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20 (patch)
treeafc78589cb1a21a25d6ef0e1ad5532451bc47838 /net/nfc/nci/ntf.c
parente999882a052a2959571989b2db2b51893d23c0bb (diff)
downloadlinux-e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20.tar.gz
linux-e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20.tar.bz2
linux-e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20.zip
NFC: Update names and structs to NCI spec 1.0 d18
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>
Diffstat (limited to 'net/nfc/nci/ntf.c')
-rw-r--r--net/nfc/nci/ntf.c137
1 files changed, 87 insertions, 50 deletions
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index 96633f5cda4f..6789f4828c0b 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -54,7 +54,7 @@ static void nci_core_conn_credits_ntf_packet(struct nci_dev *ndev,
ntf->conn_entries[i].conn_id,
ntf->conn_entries[i].credits);
- if (ntf->conn_entries[i].conn_id == ndev->conn_id) {
+ if (ntf->conn_entries[i].conn_id == NCI_STATIC_RF_CONN_ID) {
/* found static rf connection */
atomic_add(ntf->conn_entries[i].credits,
&ndev->credits_cnt);
@@ -74,14 +74,12 @@ static void nci_rf_field_info_ntf_packet(struct nci_dev *ndev,
nfc_dbg("entry, rf_field_status %d", ntf->rf_field_status);
}
-static int nci_rf_activate_nfca_passive_poll(struct nci_dev *ndev,
- struct nci_rf_activate_ntf *ntf, __u8 *data)
+static __u8 *nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev,
+ struct nci_rf_intf_activated_ntf *ntf, __u8 *data)
{
struct rf_tech_specific_params_nfca_poll *nfca_poll;
- struct activation_params_nfca_poll_iso_dep *nfca_poll_iso_dep;
nfca_poll = &ntf->rf_tech_specific_params.nfca_poll;
- nfca_poll_iso_dep = &ntf->activation_params.nfca_poll_iso_dep;
nfca_poll->sens_res = __le16_to_cpu(*((__u16 *)data));
data += 2;
@@ -100,32 +98,32 @@ static int nci_rf_activate_nfca_passive_poll(struct nci_dev *ndev,
if (nfca_poll->sel_res_len != 0)
nfca_poll->sel_res = *data++;
- ntf->rf_interface_type = *data++;
- ntf->activation_params_len = *data++;
-
- nfc_dbg("sel_res_len %d, sel_res 0x%x, rf_interface_type %d, activation_params_len %d",
+ nfc_dbg("sel_res_len %d, sel_res 0x%x",
nfca_poll->sel_res_len,
- nfca_poll->sel_res,
- ntf->rf_interface_type,
- ntf->activation_params_len);
-
- switch (ntf->rf_interface_type) {
- case NCI_RF_INTERFACE_ISO_DEP:
- nfca_poll_iso_dep->rats_res_len = *data++;
- if (nfca_poll_iso_dep->rats_res_len > 0) {
- memcpy(nfca_poll_iso_dep->rats_res,
+ nfca_poll->sel_res);
+
+ return data;
+}
+
+static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev,
+ struct nci_rf_intf_activated_ntf *ntf, __u8 *data)
+{
+ struct activation_params_nfca_poll_iso_dep *nfca_poll;
+
+ switch (ntf->activation_rf_tech_and_mode) {
+ case NCI_NFC_A_PASSIVE_POLL_MODE:
+ nfca_poll = &ntf->activation_params.nfca_poll_iso_dep;
+ nfca_poll->rats_res_len = *data++;
+ if (nfca_poll->rats_res_len > 0) {
+ memcpy(nfca_poll->rats_res,
data,
- nfca_poll_iso_dep->rats_res_len);
+ nfca_poll->rats_res_len);
}
break;
- case NCI_RF_INTERFACE_FRAME:
- /* no activation params */
- break;
-
default:
- nfc_err("unsupported rf_interface_type 0x%x",
- ntf->rf_interface_type);
+ nfc_err("unsupported activation_rf_tech_and_mode 0x%x",
+ ntf->activation_rf_tech_and_mode);
return -EPROTO;
}
@@ -133,7 +131,7 @@ static int nci_rf_activate_nfca_passive_poll(struct nci_dev *ndev,
}
static void nci_target_found(struct nci_dev *ndev,
- struct nci_rf_activate_ntf *ntf)
+ struct nci_rf_intf_activated_ntf *ntf)
{
struct nfc_target nfc_tgt;
@@ -141,6 +139,8 @@ static void nci_target_found(struct nci_dev *ndev,
nfc_tgt.supported_protocols = NFC_PROTO_MIFARE_MASK;
else if (ntf->rf_protocol == NCI_RF_PROTOCOL_ISO_DEP) /* 4A */
nfc_tgt.supported_protocols = NFC_PROTO_ISO14443_MASK;
+ else
+ nfc_tgt.supported_protocols = 0;
nfc_tgt.sens_res = ntf->rf_tech_specific_params.nfca_poll.sens_res;
nfc_tgt.sel_res = ntf->rf_tech_specific_params.nfca_poll.sel_res;
@@ -158,49 +158,86 @@ static void nci_target_found(struct nci_dev *ndev,
nfc_targets_found(ndev->nfc_dev, &nfc_tgt, 1);
}
-static void nci_rf_activate_ntf_packet(struct nci_dev *ndev,
- struct sk_buff *skb)
+static void nci_rf_intf_activated_ntf_packet(struct nci_dev *ndev,
+ struct sk_buff *skb)
{
- struct nci_rf_activate_ntf ntf;
+ struct nci_rf_intf_activated_ntf ntf;
__u8 *data = skb->data;
- int rc = -1;
+ int err = 0;
clear_bit(NCI_DISCOVERY, &ndev->flags);
set_bit(NCI_POLL_ACTIVE, &ndev->flags);
- ntf.target_handle = *data++;
+ ntf.rf_discovery_id = *data++;
+ ntf.rf_interface_type = *data++;
ntf.rf_protocol = *data++;
- ntf.rf_tech_and_mode = *data++;
+ ntf.activation_rf_tech_and_mode = *data++;
ntf.rf_tech_specific_params_len = *data++;
- nfc_dbg("target_handle %d, rf_protocol 0x%x, rf_tech_and_mode 0x%x, rf_tech_specific_params_len %d",
- ntf.target_handle,
- ntf.rf_protocol,
- ntf.rf_tech_and_mode,
+ nfc_dbg("rf_discovery_id %d", ntf.rf_discovery_id);
+ nfc_dbg("rf_interface_type 0x%x", ntf.rf_interface_type);
+ nfc_dbg("rf_protocol 0x%x", ntf.rf_protocol);
+ nfc_dbg("activation_rf_tech_and_mode 0x%x",
+ ntf.activation_rf_tech_and_mode);
+ nfc_dbg("rf_tech_specific_params_len %d",
ntf.rf_tech_specific_params_len);
- switch (ntf.rf_tech_and_mode) {
- case NCI_NFC_A_PASSIVE_POLL_MODE:
- rc = nci_rf_activate_nfca_passive_poll(ndev, &ntf,
- data);
- break;
+ if (ntf.rf_tech_specific_params_len > 0) {
+ switch (ntf.activation_rf_tech_and_mode) {
+ case NCI_NFC_A_PASSIVE_POLL_MODE:
+ data = nci_extract_rf_params_nfca_passive_poll(ndev,
+ &ntf, data);
+ break;
+
+ default:
+ nfc_err("unsupported activation_rf_tech_and_mode 0x%x",
+ ntf.activation_rf_tech_and_mode);
+ return;
+ }
+ }
- default:
- nfc_err("unsupported rf_tech_and_mode 0x%x",
- ntf.rf_tech_and_mode);
- return;
+ ntf.data_exch_rf_tech_and_mode = *data++;
+ ntf.data_exch_tx_bit_rate = *data++;
+ ntf.data_exch_rx_bit_rate = *data++;
+ ntf.activation_params_len = *data++;
+
+ nfc_dbg("data_exch_rf_tech_and_mode 0x%x",
+ ntf.data_exch_rf_tech_and_mode);
+ nfc_dbg("data_exch_tx_bit_rate 0x%x",
+ ntf.data_exch_tx_bit_rate);
+ nfc_dbg("data_exch_rx_bit_rate 0x%x",
+ ntf.data_exch_rx_bit_rate);
+ nfc_dbg("activation_params_len %d",
+ ntf.activation_params_len);
+
+ if (ntf.activation_params_len > 0) {
+ switch (ntf.rf_interface_type) {
+ case NCI_RF_INTERFACE_ISO_DEP:
+ err = nci_extract_activation_params_iso_dep(ndev,
+ &ntf, data);
+ break;
+
+ case NCI_RF_INTERFACE_FRAME:
+ /* no activation params */
+ break;
+
+ default:
+ nfc_err("unsupported rf_interface_type 0x%x",
+ ntf.rf_interface_type);
+ return;
+ }
}
- if (!rc)
+ if (!err)
nci_target_found(ndev, &ntf);
}
static void nci_rf_deactivate_ntf_packet(struct nci_dev *ndev,
struct sk_buff *skb)
{
- __u8 type = skb->data[0];
+ struct nci_rf_deactivate_ntf *ntf = (void *) skb->data;
- nfc_dbg("entry, type 0x%x", type);
+ nfc_dbg("entry, type 0x%x, reason 0x%x", ntf->type, ntf->reason);
clear_bit(NCI_POLL_ACTIVE, &ndev->flags);
ndev->target_active_prot = 0;
@@ -241,8 +278,8 @@ void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb)
nci_rf_field_info_ntf_packet(ndev, skb);
break;
- case NCI_OP_RF_ACTIVATE_NTF:
- nci_rf_activate_ntf_packet(ndev, skb);
+ case NCI_OP_RF_INTF_ACTIVATED_NTF:
+ nci_rf_intf_activated_ntf_packet(ndev, skb);
break;
case NCI_OP_RF_DEACTIVATE_NTF: