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Diffstat (limited to 'net/nfc/hci/core.c')
-rw-r--r--net/nfc/hci/core.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index 117708263ced..ef50e7716c4a 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -167,6 +167,48 @@ exit:
void nfc_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
struct sk_buff *skb)
{
+ int r = 0;
+ u8 gate = nfc_hci_pipe2gate(hdev, pipe);
+ u8 local_gate, new_pipe;
+ u8 gate_opened = 0x00;
+
+ pr_debug("from gate %x pipe %x cmd %x\n", gate, pipe, cmd);
+
+ switch (cmd) {
+ case NFC_HCI_ADM_NOTIFY_PIPE_CREATED:
+ if (skb->len != 5) {
+ r = -EPROTO;
+ break;
+ }
+
+ local_gate = skb->data[3];
+ new_pipe = skb->data[4];
+ nfc_hci_send_response(hdev, gate, NFC_HCI_ANY_OK, NULL, 0);
+
+ /* save the new created pipe and bind with local gate,
+ * the description for skb->data[3] is destination gate id
+ * but since we received this cmd from host controller, we
+ * are the destination and it is our local gate
+ */
+ hdev->gate2pipe[local_gate] = new_pipe;
+ break;
+ case NFC_HCI_ANY_OPEN_PIPE:
+ /* if the pipe is already created, we allow remote host to
+ * open it
+ */
+ if (gate != 0xff)
+ nfc_hci_send_response(hdev, gate, NFC_HCI_ANY_OK,
+ &gate_opened, 1);
+ break;
+ case NFC_HCI_ADM_NOTIFY_ALL_PIPE_CLEARED:
+ nfc_hci_send_response(hdev, gate, NFC_HCI_ANY_OK, NULL, 0);
+ break;
+ default:
+ pr_info("Discarded unknown cmd %x to gate %x\n", cmd, gate);
+ r = -EINVAL;
+ break;
+ }
+
kfree_skb(skb);
}
@@ -717,6 +759,19 @@ static int hci_disable_se(struct nfc_dev *nfc_dev, u32 se_idx)
return 0;
}
+static int hci_se_io(struct nfc_dev *nfc_dev, u32 se_idx,
+ u8 *apdu, size_t apdu_length,
+ se_io_cb_t cb, void *cb_context)
+{
+ struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+ if (hdev->ops->se_io)
+ return hdev->ops->se_io(hdev, se_idx, apdu,
+ apdu_length, cb, cb_context);
+
+ return 0;
+}
+
static void nfc_hci_failure(struct nfc_hci_dev *hdev, int err)
{
mutex_lock(&hdev->msg_tx_mutex);
@@ -830,6 +885,7 @@ static struct nfc_ops hci_nfc_ops = {
.discover_se = hci_discover_se,
.enable_se = hci_enable_se,
.disable_se = hci_disable_se,
+ .se_io = hci_se_io,
};
struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,