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-rw-r--r--net/nfc/netlink.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 3763036710ae..f85f37ed19b2 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -5,6 +5,12 @@
* Lauro Ramos Venancio <lauro.venancio@openbossa.org>
* Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
*
+ * Vendor commands implementation based on net/wireless/nl80211.c
+ * which is:
+ *
+ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2013-2014 Intel Mobile Communications GmbH
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
@@ -1489,6 +1495,50 @@ static int nfc_genl_se_io(struct sk_buff *skb, struct genl_info *info)
return nfc_se_io(dev, se_idx, apdu, apdu_len, se_io_cb, ctx);
}
+static int nfc_genl_vendor_cmd(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct nfc_dev *dev;
+ struct nfc_vendor_cmd *cmd;
+ u32 dev_idx, vid, subcmd;
+ u8 *data;
+ size_t data_len;
+ int i;
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
+ !info->attrs[NFC_ATTR_VENDOR_ID] ||
+ !info->attrs[NFC_ATTR_VENDOR_SUBCMD])
+ return -EINVAL;
+
+ dev_idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+ vid = nla_get_u32(info->attrs[NFC_ATTR_VENDOR_ID]);
+ subcmd = nla_get_u32(info->attrs[NFC_ATTR_VENDOR_SUBCMD]);
+
+ dev = nfc_get_device(dev_idx);
+ if (!dev || !dev->vendor_cmds || !dev->n_vendor_cmds)
+ return -ENODEV;
+
+ data = nla_data(info->attrs[NFC_ATTR_VENDOR_DATA]);
+ if (data) {
+ data_len = nla_len(info->attrs[NFC_ATTR_VENDOR_DATA]);
+ if (data_len == 0)
+ return -EINVAL;
+ } else {
+ data_len = 0;
+ }
+
+ for (i = 0; i < dev->n_vendor_cmds; i++) {
+ cmd = &dev->vendor_cmds[i];
+
+ if (cmd->vendor_id != vid || cmd->subcmd != subcmd)
+ continue;
+
+ return cmd->doit(dev, data, data_len);
+ }
+
+ return -EOPNOTSUPP;
+}
+
static const struct genl_ops nfc_genl_ops[] = {
{
.cmd = NFC_CMD_GET_DEVICE,
@@ -1579,6 +1629,11 @@ static const struct genl_ops nfc_genl_ops[] = {
.doit = nfc_genl_activate_target,
.policy = nfc_genl_policy,
},
+ {
+ .cmd = NFC_CMD_VENDOR,
+ .doit = nfc_genl_vendor_cmd,
+ .policy = nfc_genl_policy,
+ },
};