blob: 672ff9320748b15bc1ecd88cb038d5af1bdb910e (
plain)
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
|
/*
* Utility function used both in osmo bts virt and osmocom bb virt.
*/
#pragma once
#include <osmocom/core/gsmtap.h>
#include <osmocom/gsm/rsl.h>
#define LID_SACCH 0x40
#define LID_DEDIC 0x00
/*! \brief convert GSMTAP channel type to RSL channel number
* \param[in] gsmtap_chantype GSMTAP channel type
* \param[out] rsl_chantype rsl channel type
* \param[out] rsl_chantype rsl link id
*
* Mapping from gsmtap channel:
* GSMTAP_CHANNEL_UNKNOWN * 0x00
* GSMTAP_CHANNEL_BCCH * 0x01
* GSMTAP_CHANNEL_CCCH * 0x02
* GSMTAP_CHANNEL_RACH * 0x03
* GSMTAP_CHANNEL_AGCH * 0x04
* GSMTAP_CHANNEL_PCH * 0x05
* GSMTAP_CHANNEL_SDCCH * 0x06
* GSMTAP_CHANNEL_SDCCH4 * 0x07
* GSMTAP_CHANNEL_SDCCH8 * 0x08
* GSMTAP_CHANNEL_TCH_F * 0x09
* GSMTAP_CHANNEL_TCH_H * 0x0a
* GSMTAP_CHANNEL_PACCH * 0x0b
* GSMTAP_CHANNEL_CBCH52 * 0x0c
* GSMTAP_CHANNEL_PDCH * 0x0d
* GSMTAP_CHANNEL_PTCCH * 0x0e
* GSMTAP_CHANNEL_CBCH51 * 0x0f
* to rsl channel type:
* RSL_CHAN_NR_MASK * 0xf8
* RSL_CHAN_NR_1 * * 0x08
* RSL_CHAN_Bm_ACCHs * 0x08
* RSL_CHAN_Lm_ACCHs * 0x10
* RSL_CHAN_SDCCH4_ACCH * 0x20
* RSL_CHAN_SDCCH8_ACCH * 0x40
* RSL_CHAN_BCCH * * 0x80
* RSL_CHAN_RACH * * 0x88
* RSL_CHAN_PCH_AGCH * 0x90
* RSL_CHAN_OSMO_PDCH * 0xc0
* and logical channel link id:
* LID_SACCH * * 0x40
* LID_DEDIC * * 0x00
*/
void chantype_gsmtap2rsl(uint8_t gsmtap_chantype, uint8_t *rsl_chantype,
uint8_t *link_id);
|
