summaryrefslogtreecommitdiffstats
path: root/net/nfc/netlink.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/nfc/netlink.c')
-rw-r--r--net/nfc/netlink.c77
1 files changed, 76 insertions, 1 deletions
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 43cb1c1..44989fc 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -810,6 +810,31 @@ out:
return rc;
}
+static int nfc_genl_activate_target(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nfc_dev *dev;
+ u32 device_idx, target_idx, protocol;
+ int rc;
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
+ return -EINVAL;
+
+ device_idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+
+ dev = nfc_get_device(device_idx);
+ if (!dev)
+ return -ENODEV;
+
+ target_idx = nla_get_u32(info->attrs[NFC_ATTR_TARGET_INDEX]);
+ protocol = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]);
+
+ nfc_deactivate_target(dev, target_idx);
+ rc = nfc_activate_target(dev, target_idx, protocol);
+
+ nfc_put_device(dev);
+ return 0;
+}
+
static int nfc_genl_dep_link_up(struct sk_buff *skb, struct genl_info *info)
{
struct nfc_dev *dev;
@@ -1285,6 +1310,51 @@ static int nfc_genl_dump_ses_done(struct netlink_callback *cb)
return 0;
}
+static int nfc_se_io(struct nfc_dev *dev, u32 se_idx,
+ u8 *apdu, size_t apdu_length,
+ se_io_cb_t cb, void *cb_context)
+{
+ struct nfc_se *se;
+ int rc;
+
+ pr_debug("%s se index %d\n", dev_name(&dev->dev), se_idx);
+
+ device_lock(&dev->dev);
+
+ if (!device_is_registered(&dev->dev)) {
+ rc = -ENODEV;
+ goto error;
+ }
+
+ if (!dev->dev_up) {
+ rc = -ENODEV;
+ goto error;
+ }
+
+ if (!dev->ops->se_io) {
+ rc = -EOPNOTSUPP;
+ goto error;
+ }
+
+ se = nfc_find_se(dev, se_idx);
+ if (!se) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ if (se->state != NFC_SE_ENABLED) {
+ rc = -ENODEV;
+ goto error;
+ }
+
+ rc = dev->ops->se_io(dev, se_idx, apdu,
+ apdu_length, cb, cb_context);
+
+error:
+ device_unlock(&dev->dev);
+ return rc;
+}
+
struct se_io_ctx {
u32 dev_idx;
u32 se_idx;
@@ -1367,7 +1437,7 @@ static int nfc_genl_se_io(struct sk_buff *skb, struct genl_info *info)
ctx->dev_idx = dev_idx;
ctx->se_idx = se_idx;
- return dev->ops->se_io(dev, se_idx, apdu, apdu_len, se_io_cb, ctx);
+ return nfc_se_io(dev, se_idx, apdu, apdu_len, se_io_cb, ctx);
}
static const struct genl_ops nfc_genl_ops[] = {
@@ -1455,6 +1525,11 @@ static const struct genl_ops nfc_genl_ops[] = {
.doit = nfc_genl_se_io,
.policy = nfc_genl_policy,
},
+ {
+ .cmd = NFC_CMD_ACTIVATE_TARGET,
+ .doit = nfc_genl_activate_target,
+ .policy = nfc_genl_policy,
+ },
};
OpenPOWER on IntegriCloud