NFC: hci: Add cmd_received handler

When a command is received, it is sometime needed to let the CLF driver do
some additional operations. (ex: count remaining pipe notification...)

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

2 files changed, 11 insertions, 0 deletions

diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index 1d1fd2b98f1e..ab672b537dd4 100644
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -53,6 +53,8 @@ struct nfc_hci_ops {
                               struct nfc_target *target);
         int (*event_received)(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
                               struct sk_buff *skb);
+        void (*cmd_received)(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
+                            struct sk_buff *skb);
         int (*fw_download)(struct nfc_hci_dev *hdev, const char *firmware_name);
         int (*discover_se)(struct nfc_hci_dev *dev);
         int (*enable_se)(struct nfc_hci_dev *dev, u32 se_idx);
@@ -230,6 +232,12 @@ void nfc_hci_reset_pipes_per_host(struct nfc_hci_dev *hdev, u8 host);
 #define NFC_HCI_EVT_POST_DATA                   0x02
 #define NFC_HCI_EVT_HOT_PLUG                    0x03
 
+/* Generic commands */
+#define NFC_HCI_ANY_SET_PARAMETER       0x01
+#define NFC_HCI_ANY_GET_PARAMETER       0x02
+#define NFC_HCI_ANY_OPEN_PIPE           0x03
+#define NFC_HCI_ANY_CLOSE_PIPE          0x04
+
 /* Reader RF gates events */
 #define NFC_HCI_EVT_READER_REQUESTED    0x10
 #define NFC_HCI_EVT_END_OPERATION       0x11
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index a664a67dff1c..6e061da2258a 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -249,6 +249,9 @@ void nfc_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
                 break;
         }
 
+        if (hdev->ops->cmd_received)
+                hdev->ops->cmd_received(hdev, pipe, cmd, skb);
+
 exit:
         nfc_hci_hcp_message_tx(hdev, pipe, NFC_HCI_HCP_RESPONSE,
                                status, NULL, 0, NULL, NULL, 0);