1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
#ifndef _QRTR_LIB_H_
#define _QRTR_LIB_H_
#include <linux/qrtr.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef offsetof
#define offsetof(type, md) ((unsigned long)&((type *)0)->md)
#endif
#ifndef container_of
#define container_of(ptr, type, member) \
((type *)((char *)(ptr) - offsetof(type, member)))
#endif
#ifndef AF_QIPCRTR
#define AF_QIPCRTR 42
#endif
struct sockaddr_qrtr;
struct qrtr_packet {
int type;
unsigned int node;
unsigned int port;
unsigned int service;
unsigned int instance;
unsigned int version;
void *data;
size_t data_len;
};
#define DEFINE_QRTR_PACKET(pkt, size) \
char pkt ## _buf[size]; \
struct qrtr_packet pkt = { .data = pkt ##_buf, \
.data_len = sizeof(pkt ##_buf), }
#define QMI_REQUEST 0
#define QMI_RESPONSE 2
#define QMI_INDICATION 4
#define QMI_COMMON_TLV_TYPE 0
enum qmi_elem_type {
QMI_EOTI,
QMI_OPT_FLAG,
QMI_DATA_LEN,
QMI_UNSIGNED_1_BYTE,
QMI_UNSIGNED_2_BYTE,
QMI_UNSIGNED_4_BYTE,
QMI_UNSIGNED_8_BYTE,
QMI_SIGNED_1_BYTE_ENUM,
QMI_SIGNED_2_BYTE_ENUM,
QMI_SIGNED_4_BYTE_ENUM,
QMI_STRUCT,
QMI_STRING,
};
enum qmi_array_type {
NO_ARRAY,
STATIC_ARRAY,
VAR_LEN_ARRAY,
};
/**
* struct qmi_elem_info - describes how to encode a single QMI element
* @data_type: Data type of this element.
* @elem_len: Array length of this element, if an array.
* @elem_size: Size of a single instance of this data type.
* @array_type: Array type of this element.
* @tlv_type: QMI message specific type to identify which element
* is present in an incoming message.
* @offset: Specifies the offset of the first instance of this
* element in the data structure.
* @ei_array: Null-terminated array of @qmi_elem_info to describe nested
* structures.
*/
struct qmi_elem_info {
enum qmi_elem_type data_type;
uint32_t elem_len;
uint32_t elem_size;
enum qmi_array_type array_type;
uint8_t tlv_type;
uint32_t offset;
struct qmi_elem_info *ei_array;
};
#define QMI_RESULT_SUCCESS_V01 0
#define QMI_RESULT_FAILURE_V01 1
#define QMI_ERR_NONE_V01 0
#define QMI_ERR_MALFORMED_MSG_V01 1
#define QMI_ERR_NO_MEMORY_V01 2
#define QMI_ERR_INTERNAL_V01 3
#define QMI_ERR_CLIENT_IDS_EXHAUSTED_V01 5
#define QMI_ERR_INVALID_ID_V01 41
#define QMI_ERR_ENCODING_V01 58
#define QMI_ERR_INCOMPATIBLE_STATE_V01 90
#define QMI_ERR_NOT_SUPPORTED_V01 94
/**
* qmi_response_type_v01 - common response header (decoded)
* @result: result of the transaction
* @error: error value, when @result is QMI_RESULT_FAILURE_V01
*/
struct qmi_response_type_v01 {
uint16_t result;
uint16_t error;
};
extern struct qmi_elem_info qmi_response_type_v01_ei[];
int qrtr_open(int rport);
void qrtr_close(int sock);
int qrtr_sendto(int sock, uint32_t node, uint32_t port, const void *data, unsigned int sz);
int qrtr_recvfrom(int sock, void *buf, unsigned int bsz, uint32_t *node, uint32_t *port);
int qrtr_recv(int sock, void *buf, unsigned int bsz);
int qrtr_new_server(int sock, uint32_t service, uint16_t version, uint16_t instance);
int qrtr_remove_server(int sock, uint32_t service, uint16_t version, uint16_t instance);
int qrtr_publish(int sock, uint32_t service, uint16_t version, uint16_t instance);
int qrtr_bye(int sock, uint32_t service, uint16_t version, uint16_t instance);
int qrtr_new_lookup(int sock, uint32_t service, uint16_t version, uint16_t instance);
int qrtr_remove_lookup(int sock, uint32_t service, uint16_t version, uint16_t instance);
int qrtr_poll(int sock, unsigned int ms);
int qrtr_decode(struct qrtr_packet *dest, void *buf, size_t len,
const struct sockaddr_qrtr *sq);
int qmi_decode_header(const struct qrtr_packet *pkt, unsigned int *msg_id);
int qmi_decode_message(void *c_struct, unsigned int *txn,
const struct qrtr_packet *pkt,
int type, int id, struct qmi_elem_info *ei);
ssize_t qmi_encode_message(struct qrtr_packet *pkt, int type, int msg_id,
int txn_id, const void *c_struct,
struct qmi_elem_info *ei);
/* Initial kernel header didn't expose these */
#ifndef QRTR_NODE_BCAST
#define QRTR_NODE_BCAST 0xffffffffu
#define QRTR_PORT_CTRL 0xfffffffeu
enum qrtr_pkt_type {
QRTR_TYPE_DATA = 1,
QRTR_TYPE_HELLO = 2,
QRTR_TYPE_BYE = 3,
QRTR_TYPE_NEW_SERVER = 4,
QRTR_TYPE_DEL_SERVER = 5,
QRTR_TYPE_DEL_CLIENT = 6,
QRTR_TYPE_RESUME_TX = 7,
QRTR_TYPE_EXIT = 8,
QRTR_TYPE_PING = 9,
QRTR_TYPE_NEW_LOOKUP = 10,
QRTR_TYPE_DEL_LOOKUP = 11,
};
struct qrtr_ctrl_pkt {
__le32 cmd;
union {
struct {
__le32 service;
__le32 instance;
__le32 node;
__le32 port;
} server;
struct {
__le32 node;
__le32 port;
} client;
};
} __attribute__((packed));
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
|
