Add nci_nfcee_mode_set handler according to NFC Forum NCI specification.
It is necessary for example for secure element handling.
Signed-off-by: Christophe Ricard <christophe-h.ricard@xxxxxx>
---
include/net/nfc/nci.h | 9 +++++++++
include/net/nfc/nci_core.h | 1 +
net/nfc/nci/core.c | 21 +++++++++++++++++++++
net/nfc/nci/rsp.c | 13 +++++++++++++
4 files changed, 44 insertions(+)
diff --git a/include/net/nfc/nci.h b/include/net/nfc/nci.h
index 6d99e8f..230f227 100644
--- a/include/net/nfc/nci.h
+++ b/include/net/nfc/nci.h
@@ -284,6 +284,14 @@ struct nci_nfcee_discover_cmd {
__u8 discovery_action;
} __packed;
+#define NCI_OP_NFCEE_MODE_SET_CMD nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x01)
+#define NCI_NFCEE_DISABLE 0x00
+#define NCI_NFCEE_ENABLE 0x01
+struct nci_nfcee_mode_set_cmd {
+ __u8 nfcee_id;
+ __u8 nfcee_mode;
+} __packed;
+
/* ----------------------- */
/* ---- NCI Responses ---- */
/* ----------------------- */
@@ -333,6 +341,7 @@ struct nci_nfcee_discover_rsp {
__u8 num_nfcee;
} __packed;
+#define NCI_OP_NFCEE_MODE_SET_RSP nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x01)
/* --------------------------- */
/* ---- NCI Notifications ---- */
/* --------------------------- */
diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index 3df7cd6..46bdf86 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -184,6 +184,7 @@ int nci_recv_frame(struct nci_dev *ndev, struct sk_buff *skb);
int nci_set_config(struct nci_dev *ndev, __u8 id, size_t len, __u8 *val);
int nci_nfcee_discover(struct nci_dev *ndev, u8 action);
+int nci_nfcee_mode_set(struct nci_dev *ndev, u8 nfcee_id, u8 nfcee_mode);
static inline struct sk_buff *nci_skb_alloc(struct nci_dev *ndev,
unsigned int len,
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index bd968d5..0de7d90 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -473,6 +473,27 @@ int nci_nfcee_discover(struct nci_dev *ndev, u8 action)
}
EXPORT_SYMBOL(nci_nfcee_discover);
+static void nci_nfcee_mode_set_req(struct nci_dev *ndev, unsigned long opt)
+{
+ struct nci_nfcee_mode_set_cmd *cmd =
+ (struct nci_nfcee_mode_set_cmd *)opt;
+
+ nci_send_cmd(ndev, NCI_OP_NFCEE_MODE_SET_CMD,
+ sizeof(struct nci_nfcee_mode_set_cmd), cmd);
+}
+
+int nci_nfcee_mode_set(struct nci_dev *ndev, u8 nfcee_id, u8 nfcee_mode)
+{
+ struct nci_nfcee_mode_set_cmd cmd;
+
+ cmd.nfcee_id = nfcee_id;
+ cmd.nfcee_mode = nfcee_mode;
+
+ return nci_request(ndev, nci_nfcee_mode_set_req, (unsigned long)&cmd,
+ msecs_to_jiffies(NCI_CMD_TIMEOUT));
+}
+EXPORT_SYMBOL(nci_nfcee_mode_set);
+
static int nci_set_local_general_bytes(struct nfc_dev *nfc_dev)
{
struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
diff --git a/net/nfc/nci/rsp.c b/net/nfc/nci/rsp.c
index a93133b..cb358cd 100644
--- a/net/nfc/nci/rsp.c
+++ b/net/nfc/nci/rsp.c
@@ -209,6 +209,15 @@ static void nci_nfcee_discover_rsp_packet(struct nci_dev *ndev,
nci_req_complete(ndev, discover_rsp->status);
}
+static void nci_nfcee_mode_set_rsp_packet(struct nci_dev *ndev,
+ struct sk_buff *skb)
+{
+ __u8 status = skb->data[0];
+
+ pr_debug("status 0x%x\n", status);
+ nci_req_complete(ndev, status);
+}
+
void nci_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb)
{
__u16 rsp_opcode = nci_opcode(skb->data);
@@ -258,6 +267,10 @@ void nci_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb)
nci_nfcee_discover_rsp_packet(ndev, skb);
break;
+ case NCI_OP_NFCEE_MODE_SET_RSP:
+ nci_nfcee_mode_set_rsp_packet(ndev, skb);
+ break;
+
default:
pr_err("unknown rsp opcode 0x%x\n", rsp_opcode);
break;
--
2.1.0
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