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Commit f5e73c51 authored by ndomingues's avatar ndomingues
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Compute RA 2-Step MsgB_RNTI as specified in 3GPP TS 38.321 Section 5.1.3a

parent e1764b09
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openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
View file @ f5e73c51
...@@ -5223,3 +5223,12 @@ rnti_t nr_get_ra_rnti(uint8_t s_id, uint8_t t_id, uint8_t f_id, uint8_t ul_carri ...@@ -5223,3 +5223,12 @@ rnti_t nr_get_ra_rnti(uint8_t s_id, uint8_t t_id, uint8_t f_id, uint8_t ul_carri
return ra_rnti; return ra_rnti;
} }
rnti_t nr_get_MsgB_rnti(uint8_t s_id, uint8_t t_id, uint8_t f_id, uint8_t ul_carrier_id)
{
// 3GPP TS 38.321 Section 5.1.3a
rnti_t MsgB_rnti = 1 + s_id + 14 * t_id + 1120 * f_id + 8960 * ul_carrier_id + 17920;
LOG_D(MAC, "f_id %d t_id %d s_id %d ul_carrier_id %d Computed MsgB_RNTI is 0x%04X\n", f_id, t_id, s_id, ul_carrier_id, MsgB_rnti);
return MsgB_rnti;
}
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
View file @ f5e73c51
...@@ -315,6 +315,8 @@ uint16_t compute_PDU_length(uint32_t num_TLV, uint16_t total_length); ...@@ -315,6 +315,8 @@ uint16_t compute_PDU_length(uint32_t num_TLV, uint16_t total_length);
rnti_t nr_get_ra_rnti(uint8_t s_id, uint8_t t_id, uint8_t f_id, uint8_t ul_carrier_id); rnti_t nr_get_ra_rnti(uint8_t s_id, uint8_t t_id, uint8_t f_id, uint8_t ul_carrier_id);
rnti_t nr_get_MsgB_rnti(uint8_t s_id, uint8_t t_id, uint8_t f_id, uint8_t ul_carrier_id);
bool supported_bw_comparison(int bw_mhz, NR_SupportedBandwidth_t *supported_BW, long *support_90mhz); bool supported_bw_comparison(int bw_mhz, NR_SupportedBandwidth_t *supported_BW, long *support_90mhz);
#endif #endif
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