Merge tag 'nfc-next-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-3.0

This is the first NFC pull request for 3.8

With this one we have:

- pn544 p2p support.
- pn544 physical and HCI layers separation. We are getting the pn544 driver
  ready to support non i2c physical layers.
- LLCP SNL (Service Name Lookup). This is the NFC p2p service discovery
  protocol.
- LLCP datagram sockets (connection less) support.
- IDR library usage for NFC devices indexes assignement.
- NFC netlink extension for setting and getting LLCP link characteristics.
- Various code style fixes and cleanups spread over the pn533, LLCP, HCI and
  pn544 code.

3 files changed, 33 insertions, 2 deletions

diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index e900072950cb..639f50af42df 100644
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -24,6 +24,12 @@
 
 #include <net/nfc/nfc.h>
 
+struct nfc_phy_ops {
+        int (*write)(void *dev_id, struct sk_buff *skb);
+        int (*enable)(void *dev_id);
+        void (*disable)(void *dev_id);
+};
+
 struct nfc_hci_dev;
 
 struct nfc_hci_ops {
@@ -38,15 +44,21 @@ struct nfc_hci_ops {
         int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
         int (*start_poll) (struct nfc_hci_dev *hdev,
                            u32 im_protocols, u32 tm_protocols);
+        int (*dep_link_up)(struct nfc_hci_dev *hdev, struct nfc_target *target,
+                           u8 comm_mode, u8 *gb, size_t gb_len);
+        int (*dep_link_down)(struct nfc_hci_dev *hdev);
         int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate,
                                  struct nfc_target *target);
         int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate,
                                            struct nfc_target *target);
-        int (*data_exchange) (struct nfc_hci_dev *hdev,
+        int (*im_transceive) (struct nfc_hci_dev *hdev,
                               struct nfc_target *target, struct sk_buff *skb,
                               data_exchange_cb_t cb, void *cb_context);
+        int (*tm_send)(struct nfc_hci_dev *hdev, struct sk_buff *skb);
         int (*check_presence)(struct nfc_hci_dev *hdev,
                               struct nfc_target *target);
+        void (*event_received)(struct nfc_hci_dev *hdev, u8 gate, u8 event,
+                                struct sk_buff *skb);
 };
 
 /* Pipes */
@@ -114,6 +126,9 @@ struct nfc_hci_dev {
         int async_cb_type;
         data_exchange_cb_t async_cb;
         void *async_cb_context;
+
+        u8 *gb;
+        size_t gb_len;
 };
 
 /* hci device allocation */
@@ -219,5 +234,6 @@ int nfc_hci_send_response(struct nfc_hci_dev *hdev, u8 gate, u8 response,
                           const u8 *param, size_t param_len);
 int nfc_hci_send_event(struct nfc_hci_dev *hdev, u8 gate, u8 event,
                        const u8 *param, size_t param_len);
+int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate);
 
 #endif /* __NET_HCI_H */
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index f05b10682c9d..fce80b2f9be7 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -95,7 +95,7 @@ struct nfc_genl_data {
 };
 
 struct nfc_dev {
-        unsigned int idx;
+        int idx;
         u32 target_next_idx;
         struct nfc_target *targets;
         int n_targets;
diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h
index d908d17da56d..0e63cee8d810 100644
--- a/include/uapi/linux/nfc.h
+++ b/include/uapi/linux/nfc.h
@@ -60,6 +60,13 @@
  *      target mode.
  * @NFC_EVENT_DEVICE_DEACTIVATED: event emitted when the adapter is deactivated
  *      from target mode.
+ * @NFC_CMD_LLC_GET_PARAMS: request LTO, RW, and MIUX parameters for a device
+ * @NFC_CMD_LLC_SET_PARAMS: set one or more of LTO, RW, and MIUX parameters for
+ *      a device. LTO must be set before the link is up otherwise -EINPROGRESS
+ *      is returned. RW and MIUX can be set at anytime and will be passed in
+ *      subsequent CONNECT and CC messages.
+ *      If one of the passed parameters is wrong none is set and -EINVAL is
+ *      returned.
  */
 enum nfc_commands {
         NFC_CMD_UNSPEC,
@@ -77,6 +84,8 @@ enum nfc_commands {
         NFC_EVENT_TARGET_LOST,
         NFC_EVENT_TM_ACTIVATED,
         NFC_EVENT_TM_DEACTIVATED,
+        NFC_CMD_LLC_GET_PARAMS,
+        NFC_CMD_LLC_SET_PARAMS,
 /* private: internal use only */
         __NFC_CMD_AFTER_LAST
 };
@@ -102,6 +111,9 @@ enum nfc_commands {
  * @NFC_ATTR_RF_MODE: Initiator or target
  * @NFC_ATTR_IM_PROTOCOLS: Initiator mode protocols to poll for
  * @NFC_ATTR_TM_PROTOCOLS: Target mode protocols to listen for
+ * @NFC_ATTR_LLC_PARAM_LTO: Link TimeOut parameter
+ * @NFC_ATTR_LLC_PARAM_RW: Receive Window size parameter
+ * @NFC_ATTR_LLC_PARAM_MIUX: MIU eXtension parameter
  */
 enum nfc_attrs {
         NFC_ATTR_UNSPEC,
@@ -119,6 +131,9 @@ enum nfc_attrs {
         NFC_ATTR_DEVICE_POWERED,
         NFC_ATTR_IM_PROTOCOLS,
         NFC_ATTR_TM_PROTOCOLS,
+        NFC_ATTR_LLC_PARAM_LTO,
+        NFC_ATTR_LLC_PARAM_RW,
+        NFC_ATTR_LLC_PARAM_MIUX,
 /* private: internal use only */
         __NFC_ATTR_AFTER_LAST
 };