提交 5d1ceb7f 编写于 作者: C Christophe Ricard 提交者: Samuel Ortiz

NFC: st21nfcb: Add HCI transaction event support

The transaction notifies the host (DH) that an action
is required to manage a specific Secure Element application.
Signed-off-by: NChristophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>
上级 6095b0f0
......@@ -311,14 +311,35 @@ static int st21nfcb_hci_connectivity_event_received(struct nci_dev *ndev,
struct sk_buff *skb)
{
int r = 0;
struct device *dev = &ndev->nfc_dev->dev;
struct nfc_evt_transaction *transaction;
pr_debug("connectivity gate event: %x\n", event);
switch (event) {
case ST21NFCB_EVT_CONNECTIVITY:
break;
case ST21NFCB_EVT_TRANSACTION:
break;
if (skb->len < NFC_MIN_AID_LENGTH + 2 &&
skb->data[0] != NFC_EVT_TRANSACTION_AID_TAG)
return -EPROTO;
transaction = (struct nfc_evt_transaction *)devm_kzalloc(dev,
skb->len - 2, GFP_KERNEL);
transaction->aid_len = skb->data[1];
memcpy(transaction->aid, &skb->data[2], skb->data[1]);
if (skb->data[transaction->aid_len + 2] !=
NFC_EVT_TRANSACTION_PARAMS_TAG)
return -EPROTO;
transaction->params_len = skb->data[transaction->aid_len + 3];
memcpy(transaction->params, skb->data +
transaction->aid_len + 4, transaction->params_len);
r = nfc_se_transaction(ndev->nfc_dev, host, transaction);
default:
return 1;
}
......
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