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
|
#pragma once
#include <osmocom/core/prim.h>
/*! \brief PH-SAP related primitives (L1<->L2 SAP) */
enum osmo_ph_prim {
PRIM_PH_DATA, /*!< \brief PH-DATA */
PRIM_PH_RACH, /*!< \brief PH-RANDOM_ACCESS */
PRIM_PH_CONN, /*!< \brief PH-CONNECT */
PRIM_PH_EMPTY_FRAME, /*!< \brief PH-EMPTY_FRAME */
PRIM_PH_RTS, /*!< \brief PH-RTS */
PRIM_MPH_INFO, /*!< \brief MPH-INFO */
PRIM_TCH, /*!< \brief TCH */
PRIM_TCH_RTS, /*!< \brief TCH */
};
extern const struct value_string osmo_ph_prim_names[];
/*! \brief PH-SAP related primitives (L1<->L2 SAP) */
enum osmo_mph_info_type {
PRIM_INFO_TIME, /*!< \brief Current GSM time */
PRIM_INFO_MEAS, /*!< \brief Measurement indication */
PRIM_INFO_ACTIVATE, /*!< \brief Activation of channel */
PRIM_INFO_DEACTIVATE, /*!< \brief Deactivation of channel */
PRIM_INFO_MODIFY, /*!< \brief Mode Modify of channel */
PRIM_INFO_ACT_CIPH, /*!< \brief Activation of ciphering */
PRIM_INFO_DEACT_CIPH, /*!< \brief Deactivation of ciphering */
};
/*! \brief PH-DATA presence information */
enum osmo_ph_pres_info_type {
PRES_INFO_INVALID = 0, /*!< \brief Data is invalid */
PRES_INFO_HEADER = 1, /*!< \brief Only header is present and valid */
PRES_INFO_FIRST = 3, /*!< \brief First half of data + header are valid (2nd half may be present but invalid) */
PRES_INFO_SECOND = 5, /*!< \brief Second half of data + header are valid (1st halfmay be present but invalid) */
PRES_INFO_BOTH = 7, /*!< \brief Both parts + header are present and valid */
PRES_INFO_UNKNOWN
};
/*! \brief for PH-RANDOM_ACCESS.req */
struct ph_rach_req_param {
uint8_t ra; /*!< \brief Random Access */
uint8_t ta; /*!< \brief Timing Advance */
uint8_t tx_power; /*!< \brief Transmit Power */
uint8_t is_combined_ccch;/*!< \brief Are we using a combined CCCH? */
uint16_t offset; /*!< \brief Timing Offset */
};
/*! \brief for PH_RA_IND burstType inforamtion */
enum ph_burst_type {
GSM_L1_BURST_TYPE_NONE = 0,
GSM_L1_BURST_TYPE_ACCESS_0,
GSM_L1_BURST_TYPE_ACCESS_1,
GSM_L1_BURST_TYPE_ACCESS_2
};
/*! \brief for PH-RANDOM_ACCESS.ind */
struct ph_rach_ind_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint16_t ra; /*!< \brief Random Access */
uint8_t acc_delay; /*!< \brief Delay in bit periods */
uint32_t fn; /*!< \brief GSM Frame Number at time of RA */
uint8_t is_11bit; /*!< \brief no.of bits in RACH*/
enum ph_burst_type burst_type; /*!< \brief type of burst*/
};
/*! \brief for PH-[UNIT]DATA.{req,ind} | PH-RTS.ind */
struct ph_data_param {
uint8_t link_id; /*!< \brief Link Identifier (Like RSL) */
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint32_t fn; /*!< \brief GSM Frame Number */
int8_t rssi; /*!< \brief RSSI of receivedindication */
uint16_t ber10k; /*!< \brief BER in units of 0.01% */
int16_t ta_offs_qbits; /* !< \brief Burst TA Offset in quarter bits */
int16_t lqual_cb; /* !< \brief Link quality in centiBel */
enum osmo_ph_pres_info_type pdch_presence_info; /*!< \brief Info regarding presence/validity of header and data parts */
};
/*! \brief for TCH.{req,ind} | TCH-RTS.ind */
struct ph_tch_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint32_t fn; /*!< \brief GSM Frame Number */
int8_t rssi; /*!< \brief RSSI of received indication */
};
/*! \brief for PH-CONN.ind */
struct ph_conn_ind_param {
uint32_t fn; /*!< \brief GSM Frame Number */
};
/*! \brief for TIME MPH-INFO.ind */
struct info_time_ind_param {
uint32_t fn; /*!< \brief GSM Frame Number */
};
/*! \brief for MEAS MPH-INFO.ind */
struct info_meas_ind_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint16_t ber10k; /*!< \brief BER in units of 0.01% */
int16_t ta_offs_qbits; /*!< \brief timing advance offset (in qbits) */
int16_t c_i_cb; /*!< \brief C/I ratio in 0.1 dB */
uint8_t is_sub:1; /*!< \brief flags */
uint8_t inv_rssi; /*!< \brief RSSI in dBm * -1 */
};
/*! \brief for {ACTIVATE,DEACTIVATE,MODIFY} MPH-INFO.req */
struct info_act_req_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint8_t sacch_only; /*!< \breif Only deactivate SACCH */
};
/*! \brief for {ACTIVATE,DEACTIVATE} MPH-INFO.cnf */
struct info_act_cnf_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint8_t cause; /*!< \brief RSL cause in case of nack */
};
/*! \brief for {ACTIVATE,DEACTIVATE} MPH-INFO.{req,cnf} */
struct info_ciph_req_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint8_t downlink; /*!< \brief Apply to downlink */
uint8_t uplink; /*!< \brief Apply to uplink */
};
/*! \brief for MPH-INFO.ind */
struct mph_info_param {
enum osmo_mph_info_type type; /*!< \brief Info message type */
union {
struct info_time_ind_param time_ind;
struct info_meas_ind_param meas_ind;
struct info_act_req_param act_req;
struct info_act_cnf_param act_cnf;
struct info_ciph_req_param ciph_req;
} u;
};
/*! \brief primitive header for PH-SAP primitives */
struct osmo_phsap_prim {
struct osmo_prim_hdr oph; /*!< \brief generic primitive header */
union {
struct ph_data_param data;
struct ph_tch_param tch;
struct ph_rach_req_param rach_req;
struct ph_rach_ind_param rach_ind;
struct ph_conn_ind_param conn_ind;
struct mph_info_param info;
} u; /*!< \brief request-specific data */
};
|
