6 files changed, 107 insertions, 113 deletions

diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index f5169b04f082..e900072950cb 100644
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -30,6 +30,11 @@ struct nfc_hci_ops {
         int (*open) (struct nfc_hci_dev *hdev);
         void (*close) (struct nfc_hci_dev *hdev);
         int (*hci_ready) (struct nfc_hci_dev *hdev);
+        /*
+         * xmit must always send the complete buffer before
+         * returning. Returned result must be 0 for success
+         * or negative for failure.
+         */
         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);
@@ -38,8 +43,8 @@ struct nfc_hci_ops {
         int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate,
                                            struct nfc_target *target);
         int (*data_exchange) (struct nfc_hci_dev *hdev,
-                              struct nfc_target *target,
-                              struct sk_buff *skb, struct sk_buff **res_skb);
+                              struct nfc_target *target, struct sk_buff *skb,
+                              data_exchange_cb_t cb, void *cb_context);
         int (*check_presence)(struct nfc_hci_dev *hdev,
                               struct nfc_target *target);
 };
@@ -74,7 +79,6 @@ struct nfc_hci_dev {
 
         struct list_head msg_tx_queue;
 
-        struct workqueue_struct *msg_tx_wq;
         struct work_struct msg_tx_work;
 
         struct timer_list cmd_timer;
@@ -82,13 +86,14 @@ struct nfc_hci_dev {
 
         struct sk_buff_head rx_hcp_frags;
 
-        struct workqueue_struct *msg_rx_wq;
         struct work_struct msg_rx_work;
 
         struct sk_buff_head msg_rx_queue;
 
         struct nfc_hci_ops *ops;
 
+        struct nfc_llc *llc;
+
         struct nfc_hci_init_data init_data;
 
         void *clientdata;
@@ -105,12 +110,17 @@ struct nfc_hci_dev {
         u8 hw_mpw;
         u8 hw_software;
         u8 hw_bsid;
+
+        int async_cb_type;
+        data_exchange_cb_t async_cb;
+        void *async_cb_context;
 };
 
 /* hci device allocation */
 struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
                                             struct nfc_hci_init_data *init_data,
                                             u32 protocols,
+                                            const char *llc_name,
                                             int tx_headroom,
                                             int tx_tailroom,
                                             int max_link_payload);
@@ -202,6 +212,9 @@ int nfc_hci_set_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
                       const u8 *param, size_t param_len);
 int nfc_hci_send_cmd(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
                      const u8 *param, size_t param_len, struct sk_buff **skb);
+int nfc_hci_send_cmd_async(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
+                           const u8 *param, size_t param_len,
+                           data_exchange_cb_t cb, void *cb_context);
 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,
diff --git a/include/net/nfc/llc.h b/include/net/nfc/llc.h
new file mode 100644
index 000000000000..400ab7ae749d
--- /dev/null
+++ b/include/net/nfc/llc.h
@@ -0,0 +1,54 @@
+/*
+ * Link Layer Control manager public interface
+ *
+ * Copyright (C) 2012  Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __NFC_LLC_H_
+#define __NFC_LLC_H_
+
+#include <net/nfc/hci.h>
+#include <linux/skbuff.h>
+
+#define LLC_NOP_NAME "nop"
+#define LLC_SHDLC_NAME "shdlc"
+
+typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
+typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
+typedef void (*llc_failure_t) (struct nfc_hci_dev *hdev, int err);
+
+struct nfc_llc;
+
+struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev,
+                                 xmit_to_drv_t xmit_to_drv,
+                                 rcv_to_hci_t rcv_to_hci, int tx_headroom,
+                                 int tx_tailroom, llc_failure_t llc_failure);
+void nfc_llc_free(struct nfc_llc *llc);
+
+void nfc_llc_get_rx_head_tail_room(struct nfc_llc *llc, int *rx_headroom,
+                                   int *rx_tailroom);
+
+
+int nfc_llc_start(struct nfc_llc *llc);
+int nfc_llc_stop(struct nfc_llc *llc);
+void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb);
+int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb);
+
+int nfc_llc_init(void);
+void nfc_llc_exit(void);
+
+#endif /* __NFC_LLC_H_ */
diff --git a/include/net/nfc/nci.h b/include/net/nfc/nci.h
index 276094b91d7c..88785e5c6b2c 100644
--- a/include/net/nfc/nci.h
+++ b/include/net/nfc/nci.h
@@ -32,6 +32,7 @@
 #define NCI_MAX_NUM_MAPPING_CONFIGS                             10
 #define NCI_MAX_NUM_RF_CONFIGS                                  10
 #define NCI_MAX_NUM_CONN                                        10
+#define NCI_MAX_PARAM_LEN                                       251
 
 /* NCI Status Codes */
 #define NCI_STATUS_OK                                           0x00
@@ -102,6 +103,9 @@
 #define NCI_RF_INTERFACE_ISO_DEP                                0x02
 #define NCI_RF_INTERFACE_NFC_DEP                                0x03
 
+/* NCI Configuration Parameter Tags */
+#define NCI_PN_ATR_REQ_GEN_BYTES                                0x29
+
 /* NCI Reset types */
 #define NCI_RESET_TYPE_KEEP_CONFIG                              0x00
 #define NCI_RESET_TYPE_RESET_CONFIG                             0x01
@@ -188,6 +192,18 @@ struct nci_core_reset_cmd {
 
 #define NCI_OP_CORE_INIT_CMD            nci_opcode_pack(NCI_GID_CORE, 0x01)
 
+#define NCI_OP_CORE_SET_CONFIG_CMD      nci_opcode_pack(NCI_GID_CORE, 0x02)
+struct set_config_param {
+        __u8    id;
+        __u8    len;
+        __u8    val[NCI_MAX_PARAM_LEN];
+} __packed;
+
+struct nci_core_set_config_cmd {
+        __u8    num_params;
+        struct  set_config_param param; /* support 1 param per cmd is enough */
+} __packed;
+
 #define NCI_OP_RF_DISCOVER_MAP_CMD      nci_opcode_pack(NCI_GID_RF_MGMT, 0x00)
 struct disc_map_config {
         __u8    rf_protocol;
@@ -252,6 +268,13 @@ struct nci_core_init_rsp_2 {
         __le32  manufact_specific_info;
 } __packed;
 
+#define NCI_OP_CORE_SET_CONFIG_RSP      nci_opcode_pack(NCI_GID_CORE, 0x02)
+struct nci_core_set_config_rsp {
+        __u8    status;
+        __u8    num_params;
+        __u8    params_id[0];   /* variable size array */
+} __packed;
+
 #define NCI_OP_RF_DISCOVER_MAP_RSP      nci_opcode_pack(NCI_GID_RF_MGMT, 0x00)
 
 #define NCI_OP_RF_DISCOVER_RSP          nci_opcode_pack(NCI_GID_RF_MGMT, 0x03)
@@ -328,6 +351,11 @@ struct activation_params_nfcb_poll_iso_dep {
         __u8    attrib_res[50];
 };
 
+struct activation_params_poll_nfc_dep {
+        __u8    atr_res_len;
+        __u8    atr_res[63];
+};
+
 struct nci_rf_intf_activated_ntf {
         __u8    rf_discovery_id;
         __u8    rf_interface;
@@ -351,6 +379,7 @@ struct nci_rf_intf_activated_ntf {
         union {
                 struct activation_params_nfca_poll_iso_dep nfca_poll_iso_dep;
                 struct activation_params_nfcb_poll_iso_dep nfcb_poll_iso_dep;
+                struct activation_params_poll_nfc_dep poll_nfc_dep;
         } activation_params;
 
 } __packed;
diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index feba74027ff8..d705d8674949 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -54,6 +54,7 @@ enum nci_state {
 /* NCI timeouts */
 #define NCI_RESET_TIMEOUT                       5000
 #define NCI_INIT_TIMEOUT                        5000
+#define NCI_SET_CONFIG_TIMEOUT                  5000
 #define NCI_RF_DISC_TIMEOUT                     5000
 #define NCI_RF_DISC_SELECT_TIMEOUT              5000
 #define NCI_RF_DEACTIVATE_TIMEOUT               30000
@@ -137,6 +138,10 @@ struct nci_dev {
         data_exchange_cb_t      data_exchange_cb;
         void                    *data_exchange_cb_context;
         struct sk_buff          *rx_data_reassembly;
+
+        /* stored during intf_activated_ntf */
+        __u8 remote_gb[NFC_MAX_GT_LEN];
+        __u8 remote_gb_len;
 };
 
 /* ----- NCI Devices ----- */
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 6431f5e39022..f05b10682c9d 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -72,6 +72,7 @@ struct nfc_ops {
 
 #define NFC_TARGET_IDX_ANY -1
 #define NFC_MAX_GT_LEN 48
+#define NFC_ATR_RES_GT_OFFSET 15
 
 struct nfc_target {
         u32 idx;
@@ -89,7 +90,7 @@ struct nfc_target {
 };
 
 struct nfc_genl_data {
-        u32 poll_req_pid;
+        u32 poll_req_portid;
         struct mutex genl_data_mutex;
 };
 
@@ -112,7 +113,6 @@ struct nfc_dev {
         int tx_tailroom;
 
         struct timer_list check_pres_timer;
-        struct workqueue_struct *check_pres_wq;
         struct work_struct check_pres_work;
 
         struct nfc_ops *ops;
diff --git a/include/net/nfc/shdlc.h b/include/net/nfc/shdlc.h
deleted file mode 100644
index 35e930d2f638..000000000000
--- a/include/net/nfc/shdlc.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (C) 2012  Intel Corporation. All rights reserved.
- *
- * 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
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the
- * Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef __NFC_SHDLC_H
-#define __NFC_SHDLC_H
-
-struct nfc_shdlc;
-
-struct nfc_shdlc_ops {
-        int (*open) (struct nfc_shdlc *shdlc);
-        void (*close) (struct nfc_shdlc *shdlc);
-        int (*hci_ready) (struct nfc_shdlc *shdlc);
-        int (*xmit) (struct nfc_shdlc *shdlc, struct sk_buff *skb);
-        int (*start_poll) (struct nfc_shdlc *shdlc,
-                           u32 im_protocols, u32 tm_protocols);
-        int (*target_from_gate) (struct nfc_shdlc *shdlc, u8 gate,
-                                 struct nfc_target *target);
-        int (*complete_target_discovered) (struct nfc_shdlc *shdlc, u8 gate,
-                                           struct nfc_target *target);
-        int (*data_exchange) (struct nfc_shdlc *shdlc,
-                              struct nfc_target *target,
-                              struct sk_buff *skb, struct sk_buff **res_skb);
-        int (*check_presence)(struct nfc_shdlc *shdlc,
-                              struct nfc_target *target);
-};
-
-enum shdlc_state {
-        SHDLC_DISCONNECTED = 0,
-        SHDLC_CONNECTING = 1,
-        SHDLC_NEGOCIATING = 2,
-        SHDLC_CONNECTED = 3
-};
-
-struct nfc_shdlc {
-        struct mutex state_mutex;
-        enum shdlc_state state;
-        int hard_fault;
-
-        struct nfc_hci_dev *hdev;
-
-        wait_queue_head_t *connect_wq;
-        int connect_tries;
-        int connect_result;
-        struct timer_list connect_timer;/* aka T3 in spec 10.6.1 */
-
-        u8 w;                           /* window size */
-        bool srej_support;
-
-        struct timer_list t1_timer;     /* send ack timeout */
-        bool t1_active;
-
-        struct timer_list t2_timer;     /* guard/retransmit timeout */
-        bool t2_active;
-
-        int ns;                         /* next seq num for send */
-        int nr;                         /* next expected seq num for receive */
-        int dnr;                        /* oldest sent unacked seq num */
-
-        struct sk_buff_head rcv_q;
-
-        struct sk_buff_head send_q;
-        bool rnr;                       /* other side is not ready to receive */
-
-        struct sk_buff_head ack_pending_q;
-
-        struct workqueue_struct *sm_wq;
-        struct work_struct sm_work;
-
-        struct nfc_shdlc_ops *ops;
-
-        int client_headroom;
-        int client_tailroom;
-
-        void *clientdata;
-};
-
-void nfc_shdlc_recv_frame(struct nfc_shdlc *shdlc, struct sk_buff *skb);
-
-struct nfc_shdlc *nfc_shdlc_allocate(struct nfc_shdlc_ops *ops,
-                                     struct nfc_hci_init_data *init_data,
-                                     u32 protocols,
-                                     int tx_headroom, int tx_tailroom,
-                                     int max_link_payload, const char *devname);
-
-void nfc_shdlc_free(struct nfc_shdlc *shdlc);
-
-void nfc_shdlc_set_clientdata(struct nfc_shdlc *shdlc, void *clientdata);
-void *nfc_shdlc_get_clientdata(struct nfc_shdlc *shdlc);
-struct nfc_hci_dev *nfc_shdlc_get_hci_dev(struct nfc_shdlc *shdlc);
-
-#endif /* __NFC_SHDLC_H */