From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Sat, 6 Jun 2015 11:16:41 +0000 (+0200)
Subject: NFC: nci: Add nci_prop_cmd allowing to send proprietary nci cmd
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=759afb8d288ffbe9a1cdb20af037b5c072dc38b2;p=linux-beck.git

NFC: nci: Add nci_prop_cmd allowing to send proprietary nci cmd

Handle allowing to send proprietary nci commands anywhere in the nci
state machine.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index 886854a4ea91..98f18a20dc77 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -275,6 +275,8 @@ int nci_request(struct nci_dev *ndev,
 		void (*req)(struct nci_dev *ndev,
 			    unsigned long opt),
 		unsigned long opt, __u32 timeout);
+int nci_prop_cmd(struct nci_dev *ndev, __u8 oid, size_t len, __u8 *payload);
+
 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);
 
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 458e58bb9cb1..b5dc15044466 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -324,6 +324,32 @@ static void nci_rf_deactivate_req(struct nci_dev *ndev, unsigned long opt)
 		     sizeof(struct nci_rf_deactivate_cmd), &cmd);
 }
 
+struct nci_prop_cmd_param {
+	__u16 opcode;
+	size_t len;
+	__u8 *payload;
+};
+
+static void nci_prop_cmd_req(struct nci_dev *ndev, unsigned long opt)
+{
+	struct nci_prop_cmd_param *param = (struct nci_prop_cmd_param *)opt;
+
+	nci_send_cmd(ndev, param->opcode, param->len, param->payload);
+}
+
+int nci_prop_cmd(struct nci_dev *ndev, __u8 oid, size_t len, __u8 *payload)
+{
+	struct nci_prop_cmd_param param;
+
+	param.opcode = nci_opcode_pack(NCI_GID_PROPRIETARY, oid);
+	param.len = len;
+	param.payload = payload;
+
+	return __nci_request(ndev, nci_prop_cmd_req, (unsigned long)&param,
+			     msecs_to_jiffies(NCI_CMD_TIMEOUT));
+}
+EXPORT_SYMBOL(nci_prop_cmd);
+
 static int nci_open_device(struct nci_dev *ndev)
 {
 	int rc = 0;