NFC: Add secure element enablement netlink API
Enabling or disabling an NFC accessible secure element through netlink
requires giving both an NFC controller and a secure element indexes.
Once enabled the secure element will handle card emulation once polling
starts.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 8a11a3a..b05ad90 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -1145,6 +1145,52 @@
return -EMSGSIZE;
}
+static int nfc_genl_enable_se(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nfc_dev *dev;
+ int rc;
+ u32 idx, se_idx;
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
+ !info->attrs[NFC_ATTR_SE_INDEX])
+ return -EINVAL;
+
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+ se_idx = nla_get_u32(info->attrs[NFC_ATTR_SE_INDEX]);
+
+ dev = nfc_get_device(idx);
+ if (!dev)
+ return -ENODEV;
+
+ rc = nfc_enable_se(dev, se_idx);
+
+ nfc_put_device(dev);
+ return rc;
+}
+
+static int nfc_genl_disable_se(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nfc_dev *dev;
+ int rc;
+ u32 idx, se_idx;
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
+ !info->attrs[NFC_ATTR_SE_INDEX])
+ return -EINVAL;
+
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+ se_idx = nla_get_u32(info->attrs[NFC_ATTR_SE_INDEX]);
+
+ dev = nfc_get_device(idx);
+ if (!dev)
+ return -ENODEV;
+
+ rc = nfc_disable_se(dev, se_idx);
+
+ nfc_put_device(dev);
+ return rc;
+}
+
static struct genl_ops nfc_genl_ops[] = {
{
.cmd = NFC_CMD_GET_DEVICE,
@@ -1209,6 +1255,16 @@
.doit = nfc_genl_fw_upload,
.policy = nfc_genl_policy,
},
+ {
+ .cmd = NFC_CMD_ENABLE_SE,
+ .doit = nfc_genl_enable_se,
+ .policy = nfc_genl_policy,
+ },
+ {
+ .cmd = NFC_CMD_DISABLE_SE,
+ .doit = nfc_genl_disable_se,
+ .policy = nfc_genl_policy,
+ },
};