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Addditional classmark check against A5/4 support 

Add classmark check function according to GSM 04.08 Chapter 10.5.1.7
Fix interface to use unsigned for unsigned value.
This commit is contained in:
Max 2016-04-21 14:58:30 +02:00 committed by Harald Welte
parent fbb8bfa514
commit 402b9b0555
1 changed files with 13 additions and 1 deletions
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14
include/osmocom/gsm/gsm_utils.h
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@ -119,7 +119,7 @@ int rxlev2dbm(uint8_t rxlev);
uint8_t dbm2rxlev(int dbm);
/* According to GSM 04.08 Chapter 10.5.1.6 */
static inline int ms_cm2_a5n_support(uint8_t *cm2, int n) {
static inline int ms_cm2_a5n_support(uint8_t *cm2, unsigned n) {
switch (n) {
case 0: return 1;
case 1: return (cm2[0] & (1<<3)) ? 0 : 1;
@ -130,6 +130,18 @@ static inline int ms_cm2_a5n_support(uint8_t *cm2, int n) {
}
}
/* According to GSM 04.08 Chapter 10.5.1.7 */
static inline int ms_cm3_a5n_support(uint8_t *cm3, unsigned n) {
switch (n) {
case 4: return (cm3[0] & (1<<0)) ? 1 : 0;
case 5: return (cm3[0] & (1<<1)) ? 1 : 0;
case 6: return (cm3[0] & (1<<2)) ? 1 : 0;
case 7: return (cm3[0] & (1<<3)) ? 1 : 0;
default:
return 0;
}
}
/* According to GSM 04.08 Chapter 10.5.2.29 */
static inline int rach_max_trans_val2raw(int val) { return (val >> 1) & 3; }
static inline int rach_max_trans_raw2val(int raw) {