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authorSamuel Ortiz <sameo@linux.intel.com>2013-05-10 17:07:32 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2013-06-14 13:45:02 +0200
commitbe0856535c64697685af47c5bf2be9f36ab5ca08 (patch)
tree7660c74894de0a6116bcaaf12c9c181e7fd79425 /net/nfc
parentc531c9ec2969860c98a8a47f501c4874278388d3 (diff)
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>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/netlink.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 8a11a3a27e69..b05ad909778f 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -1145,6 +1145,52 @@ free_msg:
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 @@ static struct genl_ops nfc_genl_ops[] = {
.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,
+ },
};

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