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-rw-r--r--include/net/nfc/hci.h196
-rw-r--r--include/net/nfc/nfc.h27
-rw-r--r--include/net/nfc/shdlc.h106
3 files changed, 321 insertions, 8 deletions
diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
new file mode 100644
index 000000000000..4467c9460857
--- /dev/null
+++ b/include/net/nfc/hci.h
@@ -0,0 +1,196 @@
1/*
2 * Copyright (C) 2011 Intel Corporation. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the
16 * Free Software Foundation, Inc.,
17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20#ifndef __NET_HCI_H
21#define __NET_HCI_H
22
23#include <linux/skbuff.h>
24
25#include <net/nfc/nfc.h>
26
27struct nfc_hci_dev;
28
29struct nfc_hci_ops {
30 int (*open) (struct nfc_hci_dev *hdev);
31 void (*close) (struct nfc_hci_dev *hdev);
32 int (*hci_ready) (struct nfc_hci_dev *hdev);
33 int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
34 int (*start_poll) (struct nfc_hci_dev *hdev, u32 protocols);
35 int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate,
36 struct nfc_target *target);
37 int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate,
38 struct nfc_target *target);
39 int (*data_exchange) (struct nfc_hci_dev *hdev,
40 struct nfc_target *target,
41 struct sk_buff *skb, struct sk_buff **res_skb);
42 int (*check_presence)(struct nfc_hci_dev *hdev,
43 struct nfc_target *target);
44};
45
46#define NFC_HCI_MAX_CUSTOM_GATES 15
47struct nfc_hci_init_data {
48 u8 gate_count;
49 u8 gates[NFC_HCI_MAX_CUSTOM_GATES];
50 char session_id[9];
51};
52
53typedef int (*xmit) (struct sk_buff *skb, void *cb_data);
54
55#define NFC_HCI_MAX_GATES 256
56
57struct nfc_hci_dev {
58 struct nfc_dev *ndev;
59
60 u32 max_data_link_payload;
61
62 struct mutex msg_tx_mutex;
63
64 struct list_head msg_tx_queue;
65
66 struct workqueue_struct *msg_tx_wq;
67 struct work_struct msg_tx_work;
68
69 struct timer_list cmd_timer;
70 struct hci_msg *cmd_pending_msg;
71
72 struct sk_buff_head rx_hcp_frags;
73
74 struct workqueue_struct *msg_rx_wq;
75 struct work_struct msg_rx_work;
76
77 struct sk_buff_head msg_rx_queue;
78
79 struct nfc_hci_ops *ops;
80
81 struct nfc_hci_init_data init_data;
82
83 void *clientdata;
84
85 u8 gate2pipe[NFC_HCI_MAX_GATES];
86
87 u8 sw_romlib;
88 u8 sw_patch;
89 u8 sw_flashlib_major;
90 u8 sw_flashlib_minor;
91
92 u8 hw_derivative;
93 u8 hw_version;
94 u8 hw_mpw;
95 u8 hw_software;
96 u8 hw_bsid;
97};
98
99/* hci device allocation */
100struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
101 struct nfc_hci_init_data *init_data,
102 u32 protocols,
103 int tx_headroom,
104 int tx_tailroom,
105 int max_link_payload);
106void nfc_hci_free_device(struct nfc_hci_dev *hdev);
107
108int nfc_hci_register_device(struct nfc_hci_dev *hdev);
109void nfc_hci_unregister_device(struct nfc_hci_dev *hdev);
110
111void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata);
112void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev);
113
114/* Host IDs */
115#define NFC_HCI_HOST_CONTROLLER_ID 0x00
116#define NFC_HCI_TERMINAL_HOST_ID 0x01
117#define NFC_HCI_UICC_HOST_ID 0x02
118
119/* Host Controller Gates and registry indexes */
120#define NFC_HCI_ADMIN_GATE 0x00
121#define NFC_HCI_ADMIN_SESSION_IDENTITY 0x01
122#define NFC_HCI_ADMIN_MAX_PIPE 0x02
123#define NFC_HCI_ADMIN_WHITELIST 0x03
124#define NFC_HCI_ADMIN_HOST_LIST 0x04
125
126#define NFC_HCI_LOOPBACK_GATE 0x04
127
128#define NFC_HCI_ID_MGMT_GATE 0x05
129#define NFC_HCI_ID_MGMT_VERSION_SW 0x01
130#define NFC_HCI_ID_MGMT_VERSION_HW 0x03
131#define NFC_HCI_ID_MGMT_VENDOR_NAME 0x04
132#define NFC_HCI_ID_MGMT_MODEL_ID 0x05
133#define NFC_HCI_ID_MGMT_HCI_VERSION 0x02
134#define NFC_HCI_ID_MGMT_GATES_LIST 0x06
135
136#define NFC_HCI_LINK_MGMT_GATE 0x06
137#define NFC_HCI_LINK_MGMT_REC_ERROR 0x01
138
139#define NFC_HCI_RF_READER_B_GATE 0x11
140#define NFC_HCI_RF_READER_B_PUPI 0x03
141#define NFC_HCI_RF_READER_B_APPLICATION_DATA 0x04
142#define NFC_HCI_RF_READER_B_AFI 0x02
143#define NFC_HCI_RF_READER_B_HIGHER_LAYER_RESPONSE 0x01
144#define NFC_HCI_RF_READER_B_HIGHER_LAYER_DATA 0x05
145
146#define NFC_HCI_RF_READER_A_GATE 0x13
147#define NFC_HCI_RF_READER_A_UID 0x02
148#define NFC_HCI_RF_READER_A_ATQA 0x04
149#define NFC_HCI_RF_READER_A_APPLICATION_DATA 0x05
150#define NFC_HCI_RF_READER_A_SAK 0x03
151#define NFC_HCI_RF_READER_A_FWI_SFGT 0x06
152#define NFC_HCI_RF_READER_A_DATARATE_MAX 0x01
153
154#define NFC_HCI_TYPE_A_SEL_PROT(x) (((x) & 0x60) >> 5)
155#define NFC_HCI_TYPE_A_SEL_PROT_MIFARE 0
156#define NFC_HCI_TYPE_A_SEL_PROT_ISO14443 1
157#define NFC_HCI_TYPE_A_SEL_PROT_DEP 2
158#define NFC_HCI_TYPE_A_SEL_PROT_ISO14443_DEP 3
159
160/* Generic events */
161#define NFC_HCI_EVT_HCI_END_OF_OPERATION 0x01
162#define NFC_HCI_EVT_POST_DATA 0x02
163#define NFC_HCI_EVT_HOT_PLUG 0x03
164
165/* Reader RF gates events */
166#define NFC_HCI_EVT_READER_REQUESTED 0x10
167#define NFC_HCI_EVT_END_OPERATION 0x11
168
169/* Reader Application gate events */
170#define NFC_HCI_EVT_TARGET_DISCOVERED 0x10
171
172/* receiving messages from lower layer */
173void nfc_hci_resp_received(struct nfc_hci_dev *hdev, u8 result,
174 struct sk_buff *skb);
175void nfc_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
176 struct sk_buff *skb);
177void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
178 struct sk_buff *skb);
179void nfc_hci_recv_frame(struct nfc_hci_dev *hdev, struct sk_buff *skb);
180
181/* connecting to gates and sending hci instructions */
182int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate);
183int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate);
184int nfc_hci_disconnect_all_gates(struct nfc_hci_dev *hdev);
185int nfc_hci_get_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
186 struct sk_buff **skb);
187int nfc_hci_set_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
188 const u8 *param, size_t param_len);
189int nfc_hci_send_cmd(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
190 const u8 *param, size_t param_len, struct sk_buff **skb);
191int nfc_hci_send_response(struct nfc_hci_dev *hdev, u8 gate, u8 response,
192 const u8 *param, size_t param_len);
193int nfc_hci_send_event(struct nfc_hci_dev *hdev, u8 gate, u8 event,
194 const u8 *param, size_t param_len);
195
196#endif /* __NET_HCI_H */
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index bac070bf3514..b7ca4a2a1d72 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -48,20 +48,24 @@ struct nfc_dev;
48typedef void (*data_exchange_cb_t)(void *context, struct sk_buff *skb, 48typedef void (*data_exchange_cb_t)(void *context, struct sk_buff *skb,
49 int err); 49 int err);
50 50
51struct nfc_target;
52
51struct nfc_ops { 53struct nfc_ops {
52 int (*dev_up)(struct nfc_dev *dev); 54 int (*dev_up)(struct nfc_dev *dev);
53 int (*dev_down)(struct nfc_dev *dev); 55 int (*dev_down)(struct nfc_dev *dev);
54 int (*start_poll)(struct nfc_dev *dev, u32 protocols); 56 int (*start_poll)(struct nfc_dev *dev, u32 protocols);
55 void (*stop_poll)(struct nfc_dev *dev); 57 void (*stop_poll)(struct nfc_dev *dev);
56 int (*dep_link_up)(struct nfc_dev *dev, int target_idx, u8 comm_mode, 58 int (*dep_link_up)(struct nfc_dev *dev, struct nfc_target *target,
57 u8 *gb, size_t gb_len); 59 u8 comm_mode, u8 *gb, size_t gb_len);
58 int (*dep_link_down)(struct nfc_dev *dev); 60 int (*dep_link_down)(struct nfc_dev *dev);
59 int (*activate_target)(struct nfc_dev *dev, u32 target_idx, 61 int (*activate_target)(struct nfc_dev *dev, struct nfc_target *target,
60 u32 protocol); 62 u32 protocol);
61 void (*deactivate_target)(struct nfc_dev *dev, u32 target_idx); 63 void (*deactivate_target)(struct nfc_dev *dev,
62 int (*data_exchange)(struct nfc_dev *dev, u32 target_idx, 64 struct nfc_target *target);
65 int (*data_exchange)(struct nfc_dev *dev, struct nfc_target *target,
63 struct sk_buff *skb, data_exchange_cb_t cb, 66 struct sk_buff *skb, data_exchange_cb_t cb,
64 void *cb_context); 67 void *cb_context);
68 int (*check_presence)(struct nfc_dev *dev, struct nfc_target *target);
65}; 69};
66 70
67#define NFC_TARGET_IDX_ANY -1 71#define NFC_TARGET_IDX_ANY -1
@@ -78,6 +82,8 @@ struct nfc_target {
78 u8 sensb_res[NFC_SENSB_RES_MAXSIZE]; 82 u8 sensb_res[NFC_SENSB_RES_MAXSIZE];
79 u8 sensf_res_len; 83 u8 sensf_res_len;
80 u8 sensf_res[NFC_SENSF_RES_MAXSIZE]; 84 u8 sensf_res[NFC_SENSF_RES_MAXSIZE];
85 u8 hci_reader_gate;
86 u8 logical_idx;
81}; 87};
82 88
83struct nfc_genl_data { 89struct nfc_genl_data {
@@ -86,15 +92,15 @@ struct nfc_genl_data {
86}; 92};
87 93
88struct nfc_dev { 94struct nfc_dev {
89 unsigned idx; 95 unsigned int idx;
96 u32 target_next_idx;
90 struct nfc_target *targets; 97 struct nfc_target *targets;
91 int n_targets; 98 int n_targets;
92 int targets_generation; 99 int targets_generation;
93 spinlock_t targets_lock;
94 struct device dev; 100 struct device dev;
95 bool dev_up; 101 bool dev_up;
96 bool polling; 102 bool polling;
97 bool remote_activated; 103 struct nfc_target *active_target;
98 bool dep_link_up; 104 bool dep_link_up;
99 u32 dep_rf_mode; 105 u32 dep_rf_mode;
100 struct nfc_genl_data genl_data; 106 struct nfc_genl_data genl_data;
@@ -103,6 +109,10 @@ struct nfc_dev {
103 int tx_headroom; 109 int tx_headroom;
104 int tx_tailroom; 110 int tx_tailroom;
105 111
112 struct timer_list check_pres_timer;
113 struct workqueue_struct *check_pres_wq;
114 struct work_struct check_pres_work;
115
106 struct nfc_ops *ops; 116 struct nfc_ops *ops;
107}; 117};
108#define to_nfc_dev(_dev) container_of(_dev, struct nfc_dev, dev) 118#define to_nfc_dev(_dev) container_of(_dev, struct nfc_dev, dev)
@@ -181,6 +191,7 @@ int nfc_set_remote_general_bytes(struct nfc_dev *dev,
181 191
182int nfc_targets_found(struct nfc_dev *dev, 192int nfc_targets_found(struct nfc_dev *dev,
183 struct nfc_target *targets, int ntargets); 193 struct nfc_target *targets, int ntargets);
194int nfc_target_lost(struct nfc_dev *dev, u32 target_idx);
184 195
185int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx, 196int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx,
186 u8 comm_mode, u8 rf_mode); 197 u8 comm_mode, u8 rf_mode);
diff --git a/include/net/nfc/shdlc.h b/include/net/nfc/shdlc.h
new file mode 100644
index 000000000000..ab06afd462da
--- /dev/null
+++ b/include/net/nfc/shdlc.h
@@ -0,0 +1,106 @@
1/*
2 * Copyright (C) 2012 Intel Corporation. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the
16 * Free Software Foundation, Inc.,
17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20#ifndef __NFC_SHDLC_H
21#define __NFC_SHDLC_H
22
23struct nfc_shdlc;
24
25struct nfc_shdlc_ops {
26 int (*open) (struct nfc_shdlc *shdlc);
27 void (*close) (struct nfc_shdlc *shdlc);
28 int (*hci_ready) (struct nfc_shdlc *shdlc);
29 int (*xmit) (struct nfc_shdlc *shdlc, struct sk_buff *skb);
30 int (*start_poll) (struct nfc_shdlc *shdlc, u32 protocols);
31 int (*target_from_gate) (struct nfc_shdlc *shdlc, u8 gate,
32 struct nfc_target *target);
33 int (*complete_target_discovered) (struct nfc_shdlc *shdlc, u8 gate,
34 struct nfc_target *target);
35 int (*data_exchange) (struct nfc_shdlc *shdlc,
36 struct nfc_target *target,
37 struct sk_buff *skb, struct sk_buff **res_skb);
38 int (*check_presence)(struct nfc_shdlc *shdlc,
39 struct nfc_target *target);
40};
41
42enum shdlc_state {
43 SHDLC_DISCONNECTED = 0,
44 SHDLC_CONNECTING = 1,
45 SHDLC_NEGOCIATING = 2,
46 SHDLC_CONNECTED = 3
47};
48
49struct nfc_shdlc {
50 struct mutex state_mutex;
51 enum shdlc_state state;
52 int hard_fault;
53
54 struct nfc_hci_dev *hdev;
55
56 wait_queue_head_t *connect_wq;
57 int connect_tries;
58 int connect_result;
59 struct timer_list connect_timer;/* aka T3 in spec 10.6.1 */
60
61 u8 w; /* window size */
62 bool srej_support;
63
64 struct timer_list t1_timer; /* send ack timeout */
65 bool t1_active;
66
67 struct timer_list t2_timer; /* guard/retransmit timeout */
68 bool t2_active;
69
70 int ns; /* next seq num for send */
71 int nr; /* next expected seq num for receive */
72 int dnr; /* oldest sent unacked seq num */
73
74 struct sk_buff_head rcv_q;
75
76 struct sk_buff_head send_q;
77 bool rnr; /* other side is not ready to receive */
78
79 struct sk_buff_head ack_pending_q;
80
81 struct workqueue_struct *sm_wq;
82 struct work_struct sm_work;
83
84 struct nfc_shdlc_ops *ops;
85
86 int client_headroom;
87 int client_tailroom;
88
89 void *clientdata;
90};
91
92void nfc_shdlc_recv_frame(struct nfc_shdlc *shdlc, struct sk_buff *skb);
93
94struct nfc_shdlc *nfc_shdlc_allocate(struct nfc_shdlc_ops *ops,
95 struct nfc_hci_init_data *init_data,
96 u32 protocols,
97 int tx_headroom, int tx_tailroom,
98 int max_link_payload, const char *devname);
99
100void nfc_shdlc_free(struct nfc_shdlc *shdlc);
101
102void nfc_shdlc_set_clientdata(struct nfc_shdlc *shdlc, void *clientdata);
103void *nfc_shdlc_get_clientdata(struct nfc_shdlc *shdlc);
104struct nfc_hci_dev *nfc_shdlc_get_hci_dev(struct nfc_shdlc *shdlc);
105
106#endif /* __NFC_SHDLC_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-10 22:00:29 -0400