cellular-infrastructure
/
osmo-bsc
mirror of https://gerrit.osmocom.org/osmo-bsc
9
0
Fork 0
Code Issues Releases Wiki Activity

[bsc_hack] Start to understand the SI packages we send 

Add comments in front of the bytes to define where they
are coming from.
This commit is contained in:
Holger Freyther 2008-12-28 16:32:42 +00:00
parent 24287b6bb2
commit 4d505470e8
1 changed files with 31 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
src/bsc_hack.c
View File

@ -359,9 +359,11 @@ SYSTEM INFORMATION TYPE 1
Access Control Class = 0000
*/
static const u_int8_t si1[] = {
0x55, 0x06, 0x19, 0x04 /*0x00*/, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /*0x01*/,0xD5,
0x00, 0x00, 0x2B
/* header */0x55, 0x06, 0x19,
/* ccdesc */0x04 /*0x00*/, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /*0x01*/,
/* rach */0xD5, 0x00, 0x00,
/* s1 reset*/0x2B
};
/*
@ -380,9 +382,11 @@ static const u_int8_t si1[] = {
Access Control Class = 0000
*/
static const u_int8_t si2[] = {
0x59, 0x06, 0x1A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xD5, 0x00,
0x00
/* header */0x59, 0x06, 0x1A,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* ncc */0xFF,
/* rach*/0xD5, 0x00, 0x00
};
/*
@ -424,9 +428,14 @@ SYSTEM INFORMATION TYPE 3
Scheduling Information is not sent in SYSTEM INFORMATION TYPE 9 on the BCCH
*/
unsigned char si3[] = {
0x49, 0x06, 0x1B, 0x00, 0x01, 0x00, 0xF1, 0x10, 0x00, 0x01,
0x01, 0x03, 0x00, 0x28, 0x62, 0x00, 0xD5, 0x00, 0x00, 0x80,
0x00, 0x00, 0x2B
/* header */0x49, 0x06, 0x1B,
/* cell */0x00, 0x01,
/* lai */0x00, 0xF1, 0x10, 0x00, 0x01,
/* desc */0x01, 0x03, 0x00,
/* option*/0x28,
/* selection*/0x62, 0x00,
/* rach */0xD5, 0x00, 0x00,
/* reset*/0x80, 0x00, 0x00, 0x2B
};
/*
@ -459,8 +468,11 @@ SYSTEM INFORMATION TYPE 4
Penalty Time = 20 s
*/
static const u_int8_t si4[] = {
0x41, 0x06, 0x1C, 0x00, 0xF1, 0x10, 0x00, 0x01, 0x62, 0x00,
0xD5, 0x00, 0x00, 0x64, 0x30, 0xE0, HARDCODED_ARFCN/*0x01*/, 0x80, 0x00, 0x00,
/* header */0x41, 0x06, 0x1C,
/* lai */0x00, 0xF1, 0x10, 0x00, 0x01,
/* sel */0x62, 0x00,
/* rach*/0xD5, 0x00, 0x00,
/* var */0x64, 0x30, 0xE0, HARDCODED_ARFCN/*0x01*/, 0x80, 0x00, 0x00,
0x2B, 0x2B, 0x2B
};
@ -474,8 +486,9 @@ static const u_int8_t si4[] = {
*/
static const u_int8_t si5[] = {
0x06, 0x1D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* header without l2 len*/0x06, 0x1D,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
// SYSTEM INFORMATION TYPE 6
@ -499,7 +512,11 @@ SYSTEM INFORMATION TYPE 6
*/
static const u_int8_t si6[] = {
0x06, 0x1E, 0x00, 0x01, 0x00, 0xF1, 0x10, 0x00, 0x01, 0x28, 0xFF,
/* header */0x06, 0x1E,
/* cell id*/ 0x00, 0x01,
/* lai */ 0x00, 0xF1, 0x10, 0x00, 0x01,
/* options */ 0x28,
/* ncc */ 0xFF,
};