276 lines
8.1 KiB
C
276 lines
8.1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2011 Intel Corporation. All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __NET_HCI_H
|
||
|
|
#define __NET_HCI_H
|
||
|
|
|
||
|
|
#include <linux/skbuff.h>
|
||
|
|
|
||
|
|
#include <net/nfc/nfc.h>
|
||
|
|
|
||
|
|
struct nfc_hci_dev;
|
||
|
|
|
||
|
|
struct nfc_hci_ops {
|
||
|
|
int (*open) (struct nfc_hci_dev *hdev);
|
||
|
|
void (*close) (struct nfc_hci_dev *hdev);
|
||
|
|
int (*load_session) (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);
|
||
|
|
void (*stop_poll) (struct nfc_hci_dev *hdev);
|
||
|
|
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 (*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);
|
||
|
|
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);
|
||
|
|
int (*disable_se)(struct nfc_hci_dev *dev, u32 se_idx);
|
||
|
|
int (*se_io)(struct nfc_hci_dev *dev, u32 se_idx,
|
||
|
|
u8 *apdu, size_t apdu_length,
|
||
|
|
se_io_cb_t cb, void *cb_context);
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Pipes */
|
||
|
|
#define NFC_HCI_DO_NOT_CREATE_PIPE 0x81
|
||
|
|
#define NFC_HCI_INVALID_PIPE 0x80
|
||
|
|
#define NFC_HCI_INVALID_GATE 0xFF
|
||
|
|
#define NFC_HCI_INVALID_HOST 0x80
|
||
|
|
#define NFC_HCI_LINK_MGMT_PIPE 0x00
|
||
|
|
#define NFC_HCI_ADMIN_PIPE 0x01
|
||
|
|
|
||
|
|
struct nfc_hci_gate {
|
||
|
|
u8 gate;
|
||
|
|
u8 pipe;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct nfc_hci_pipe {
|
||
|
|
u8 gate;
|
||
|
|
u8 dest_host;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define NFC_HCI_MAX_CUSTOM_GATES 50
|
||
|
|
/*
|
||
|
|
* According to specification 102 622 chapter 4.4 Pipes,
|
||
|
|
* the pipe identifier is 7 bits long.
|
||
|
|
*/
|
||
|
|
#define NFC_HCI_MAX_PIPES 128
|
||
|
|
struct nfc_hci_init_data {
|
||
|
|
u8 gate_count;
|
||
|
|
struct nfc_hci_gate gates[NFC_HCI_MAX_CUSTOM_GATES];
|
||
|
|
char session_id[9];
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef int (*xmit) (struct sk_buff *skb, void *cb_data);
|
||
|
|
|
||
|
|
#define NFC_HCI_MAX_GATES 256
|
||
|
|
|
||
|
|
/*
|
||
|
|
* These values can be specified by a driver to indicate it requires some
|
||
|
|
* adaptation of the HCI standard.
|
||
|
|
*
|
||
|
|
* NFC_HCI_QUIRK_SHORT_CLEAR - send HCI_ADM_CLEAR_ALL_PIPE cmd with no params
|
||
|
|
*/
|
||
|
|
enum {
|
||
|
|
NFC_HCI_QUIRK_SHORT_CLEAR = 0,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct nfc_hci_dev {
|
||
|
|
struct nfc_dev *ndev;
|
||
|
|
|
||
|
|
u32 max_data_link_payload;
|
||
|
|
|
||
|
|
bool shutting_down;
|
||
|
|
|
||
|
|
struct mutex msg_tx_mutex;
|
||
|
|
|
||
|
|
struct list_head msg_tx_queue;
|
||
|
|
|
||
|
|
struct work_struct msg_tx_work;
|
||
|
|
|
||
|
|
struct timer_list cmd_timer;
|
||
|
|
struct hci_msg *cmd_pending_msg;
|
||
|
|
|
||
|
|
struct sk_buff_head rx_hcp_frags;
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
u8 gate2pipe[NFC_HCI_MAX_GATES];
|
||
|
|
struct nfc_hci_pipe pipes[NFC_HCI_MAX_PIPES];
|
||
|
|
|
||
|
|
u8 sw_romlib;
|
||
|
|
u8 sw_patch;
|
||
|
|
u8 sw_flashlib_major;
|
||
|
|
u8 sw_flashlib_minor;
|
||
|
|
|
||
|
|
u8 hw_derivative;
|
||
|
|
u8 hw_version;
|
||
|
|
u8 hw_mpw;
|
||
|
|
u8 hw_software;
|
||
|
|
u8 hw_bsid;
|
||
|
|
|
||
|
|
int async_cb_type;
|
||
|
|
data_exchange_cb_t async_cb;
|
||
|
|
void *async_cb_context;
|
||
|
|
|
||
|
|
u8 *gb;
|
||
|
|
size_t gb_len;
|
||
|
|
|
||
|
|
unsigned long quirks;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* hci device allocation */
|
||
|
|
struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
|
||
|
|
struct nfc_hci_init_data *init_data,
|
||
|
|
unsigned long quirks,
|
||
|
|
u32 protocols,
|
||
|
|
const char *llc_name,
|
||
|
|
int tx_headroom,
|
||
|
|
int tx_tailroom,
|
||
|
|
int max_link_payload);
|
||
|
|
void nfc_hci_free_device(struct nfc_hci_dev *hdev);
|
||
|
|
|
||
|
|
int nfc_hci_register_device(struct nfc_hci_dev *hdev);
|
||
|
|
void nfc_hci_unregister_device(struct nfc_hci_dev *hdev);
|
||
|
|
|
||
|
|
void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata);
|
||
|
|
void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev);
|
||
|
|
|
||
|
|
static inline int nfc_hci_set_vendor_cmds(struct nfc_hci_dev *hdev,
|
||
|
|
struct nfc_vendor_cmd *cmds,
|
||
|
|
int n_cmds)
|
||
|
|
{
|
||
|
|
return nfc_set_vendor_cmds(hdev->ndev, cmds, n_cmds);
|
||
|
|
}
|
||
|
|
|
||
|
|
void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err);
|
||
|
|
|
||
|
|
int nfc_hci_result_to_errno(u8 result);
|
||
|
|
void nfc_hci_reset_pipes(struct nfc_hci_dev *dev);
|
||
|
|
void nfc_hci_reset_pipes_per_host(struct nfc_hci_dev *hdev, u8 host);
|
||
|
|
|
||
|
|
/* Host IDs */
|
||
|
|
#define NFC_HCI_HOST_CONTROLLER_ID 0x00
|
||
|
|
#define NFC_HCI_TERMINAL_HOST_ID 0x01
|
||
|
|
#define NFC_HCI_UICC_HOST_ID 0x02
|
||
|
|
|
||
|
|
/* Host Controller Gates and registry indexes */
|
||
|
|
#define NFC_HCI_ADMIN_GATE 0x00
|
||
|
|
#define NFC_HCI_ADMIN_SESSION_IDENTITY 0x01
|
||
|
|
#define NFC_HCI_ADMIN_MAX_PIPE 0x02
|
||
|
|
#define NFC_HCI_ADMIN_WHITELIST 0x03
|
||
|
|
#define NFC_HCI_ADMIN_HOST_LIST 0x04
|
||
|
|
|
||
|
|
#define NFC_HCI_LOOPBACK_GATE 0x04
|
||
|
|
|
||
|
|
#define NFC_HCI_ID_MGMT_GATE 0x05
|
||
|
|
#define NFC_HCI_ID_MGMT_VERSION_SW 0x01
|
||
|
|
#define NFC_HCI_ID_MGMT_VERSION_HW 0x03
|
||
|
|
#define NFC_HCI_ID_MGMT_VENDOR_NAME 0x04
|
||
|
|
#define NFC_HCI_ID_MGMT_MODEL_ID 0x05
|
||
|
|
#define NFC_HCI_ID_MGMT_HCI_VERSION 0x02
|
||
|
|
#define NFC_HCI_ID_MGMT_GATES_LIST 0x06
|
||
|
|
|
||
|
|
#define NFC_HCI_LINK_MGMT_GATE 0x06
|
||
|
|
#define NFC_HCI_LINK_MGMT_REC_ERROR 0x01
|
||
|
|
|
||
|
|
#define NFC_HCI_RF_READER_B_GATE 0x11
|
||
|
|
#define NFC_HCI_RF_READER_B_PUPI 0x03
|
||
|
|
#define NFC_HCI_RF_READER_B_APPLICATION_DATA 0x04
|
||
|
|
#define NFC_HCI_RF_READER_B_AFI 0x02
|
||
|
|
#define NFC_HCI_RF_READER_B_HIGHER_LAYER_RESPONSE 0x01
|
||
|
|
#define NFC_HCI_RF_READER_B_HIGHER_LAYER_DATA 0x05
|
||
|
|
|
||
|
|
#define NFC_HCI_RF_READER_A_GATE 0x13
|
||
|
|
#define NFC_HCI_RF_READER_A_UID 0x02
|
||
|
|
#define NFC_HCI_RF_READER_A_ATQA 0x04
|
||
|
|
#define NFC_HCI_RF_READER_A_APPLICATION_DATA 0x05
|
||
|
|
#define NFC_HCI_RF_READER_A_SAK 0x03
|
||
|
|
#define NFC_HCI_RF_READER_A_FWI_SFGT 0x06
|
||
|
|
#define NFC_HCI_RF_READER_A_DATARATE_MAX 0x01
|
||
|
|
|
||
|
|
#define NFC_HCI_TYPE_A_SEL_PROT(x) (((x) & 0x60) >> 5)
|
||
|
|
#define NFC_HCI_TYPE_A_SEL_PROT_MIFARE 0
|
||
|
|
#define NFC_HCI_TYPE_A_SEL_PROT_ISO14443 1
|
||
|
|
#define NFC_HCI_TYPE_A_SEL_PROT_DEP 2
|
||
|
|
#define NFC_HCI_TYPE_A_SEL_PROT_ISO14443_DEP 3
|
||
|
|
|
||
|
|
/* Generic events */
|
||
|
|
#define NFC_HCI_EVT_HCI_END_OF_OPERATION 0x01
|
||
|
|
#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
|
||
|
|
|
||
|
|
/* Reader Application gate events */
|
||
|
|
#define NFC_HCI_EVT_TARGET_DISCOVERED 0x10
|
||
|
|
|
||
|
|
/* receiving messages from lower layer */
|
||
|
|
void nfc_hci_resp_received(struct nfc_hci_dev *hdev, u8 result,
|
||
|
|
struct sk_buff *skb);
|
||
|
|
void nfc_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
|
||
|
|
struct sk_buff *skb);
|
||
|
|
void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
|
||
|
|
struct sk_buff *skb);
|
||
|
|
void nfc_hci_recv_frame(struct nfc_hci_dev *hdev, struct sk_buff *skb);
|
||
|
|
|
||
|
|
/* connecting to gates and sending hci instructions */
|
||
|
|
int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate,
|
||
|
|
u8 pipe);
|
||
|
|
int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate);
|
||
|
|
int nfc_hci_disconnect_all_gates(struct nfc_hci_dev *hdev);
|
||
|
|
int nfc_hci_get_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
|
||
|
|
struct sk_buff **skb);
|
||
|
|
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_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);
|
||
|
|
u32 nfc_hci_sak_to_protocol(u8 sak);
|
||
|
|
|
||
|
|
#endif /* __NET_HCI_H */
|