diff --git a/openair2/LAYER2/NR_MAC_UE/mac.h b/openair2/LAYER2/NR_MAC_UE/mac.h index 7957c224a1..65a00c9cea 100644 --- a/openair2/LAYER2/NR_MAC_UE/mac.h +++ b/openair2/LAYER2/NR_MAC_UE/mac.h @@ -69,12 +69,45 @@ typedef struct { uint8_t R:2; // octet 1 [7:6] } __attribute__ ((__packed__)) NR_MAC_SUBHEADER_FIXED; -#define DL_SCH_LCID_CCCH 0x0 -#define DL_SCH_LCID_R_BITRATE 0x2f -#define DL_SCH_LCID_L_DRX 0x3b -#define DL_SCH_LCID_DRX 0x3c -#define DL_SCH_LCID_TA 0x3d -#define DL_SCH_LCID_CONTENTION_RESOLUTION_ID 0x3e -#define DL_SCH_LCID_PADDING 0x3f +// 38.321 ch6.2.1, 38.331 +#define DL_SCH_LCID_CCCH 0x00 +#define DL_SCH_LCID_SRB1 0x01 +#define DL_SCH_LCID_SRB2 0x02 +#define DL_SCH_LCID_SRB3 0x03 +#define DL_SCH_LCID_RECOMMENDED_BITRATE 0x2F +#define DL_SCH_LCID_SP_ZP_CSI_RS_RES_SET_ACT 0x30 +#define DL_SCH_LCID_PUCCH_SPATIAL_RELATION_ACT 0x31 +#define DL_SCH_LCID_SP_SRS_ACTIVATION 0x32 +#define DL_SCH_LCID_SP_CSI_REP_PUCCH_ACT 0x33 +#define DL_SCH_LCID_TCI_STATE_IND_UE_SPEC_PDCCH 0x34 +#define DL_SCH_LCID_TCI_STATE_ACT_UE_SPEC_PDSCH 0x35 +#define DL_SCH_LCID_APERIODIC_CSI_TRI_STATE_SUBSEL 0x36 +#define DL_SCH_LCID_SP_CSI_RS_CSI_IM_RES_SET_ACT 0X37 +#define DL_SCH_LCID_DUPLICATION_ACT 0X38 +#define DL_SCH_LCID_SCell_ACT_4_OCT 0X39 +#define DL_SCH_LCID_SCell_ACT_1_OCT 0X3A +#define DL_SCH_LCID_L_DRX 0x3B +#define DL_SCH_LCID_DRX 0x3C +#define DL_SCH_LCID_TA_COMMAND 0x3D +#define DL_SCH_LCID_CON_RES_ID 0x3E +#define DL_SCH_LCID_PADDING 0x3F + +#define UL_SCH_LCID_CCCH 0x00 +#define UL_SCH_LCID_SRB1 0x01 +#define UL_SCH_LCID_SRB2 0x02 +#define UL_SCH_LCID_SRB3 0x03 +#define UL_SCH_LCID_CCCH_MSG3 0x21 +#define UL_SCH_LCID_RECOMMENDED_BITRATE_QUERY 0x35 +#define UL_SCH_LCID_MULTI_ENTRY_PHR_4_OCT 0x36 +#define UL_SCH_LCID_CONFIGURED_GRANT_CONFIRMATION 0x37 +#define UL_SCH_LCID_MULTI_ENTRY_PHR_1_OCT 0x38 +#define UL_SCH_LCID_SINGLE_ENTRY_PHR 0x39 +#define UL_SCH_LCID_C_RNTI 0x3A +#define UL_SCH_LCID_S_TRUNCATED_BSR 0x3B +#define UL_SCH_LCID_L_TRUNCATED_BSR 0x3C +#define UL_SCH_LCID_S_BSR 0x3D +#define UL_SCH_LCID_L_BSR 0x3E +#define UL_SCH_LCID_PADDING 0x3F + #endif /*__LAYER2_MAC_DEFS_H__ */ diff --git a/openair2/LAYER2/NR_MAC_UE/mac_proto.h b/openair2/LAYER2/NR_MAC_UE/mac_proto.h index a9f1f8ecf2..287d19e0ff 100755 --- a/openair2/LAYER2/NR_MAC_UE/mac_proto.h +++ b/openair2/LAYER2/NR_MAC_UE/mac_proto.h @@ -120,5 +120,12 @@ uint32_t get_ssb_slot(uint32_t ssb_index); uint32_t mr_ue_get_SR(module_id_t module_idP, int CC_id, frame_t frameP, uint8_t eNB_id, uint16_t rnti, sub_frame_t subframe); + +void nr_ue_process_mac_pdu( + module_id_t module_idP, + uint8_t CC_id, + uint8_t *pduP, + uint16_t mac_pdu_len, + uint8_t eNB_index); #endif /** @}*/ \ No newline at end of file diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c index ade79bc577..2e82d00802 100644 --- a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c +++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c @@ -96,7 +96,9 @@ int8_t nr_ue_decode_mib( printf("ssb index(extra bits): %d\n", (int)ssb_index); #endif - subcarrier_spacing_t scs_ssb = scs_30kHz; // default for testing + subcarrier_spacing_t scs_ssb = scs_30kHz; // default for + //const uint32_t scs_index = 0; + const uint32_t num_slot_per_frame = 20; subcarrier_spacing_t scs_pdcch; // assume carrier frequency < 6GHz @@ -268,8 +270,7 @@ int8_t nr_ue_decode_mib( uint32_t search_space_duration; // element of search space uint32_t coreset_duration; // element of coreset -const uint32_t scs_index = 0; -const uint32_t num_slot_per_frame = 20; + // 38.213 table 10.1-1 @@ -281,7 +282,7 @@ const uint32_t num_slot_per_frame = 20; number_of_search_space_per_slot = table_38213_13_11_c2[index_4lsb]; big_m = table_38213_13_11_c3[index_4lsb]; - temp = (uint32_t)(big_o*pow(2, scs_index)) + (uint32_t)(ssb_index*big_m); + temp = (uint32_t)(big_o*pow(2, scs_pdcch)) + (uint32_t)(ssb_index*big_m); n_c = temp / num_slot_per_frame; if((temp/num_slot_per_frame) & 0x1){ sfn_c = SFN_C_MOD_2_EQ_1; @@ -574,48 +575,175 @@ void nr_ue_process_mac_pdu( module_id_t module_idP, uint8_t CC_id, uint8_t *pduP, - uint16_t pdu_len, + uint16_t mac_pdu_len, uint8_t eNB_index){ uint8_t *pdu_ptr = pduP; - uint8_t sub_pdu_len; + uint16_t pdu_len = mac_pdu_len; - // variable-size MAC CE(known by LCID), padding, MSG3, MAC SDU + uint16_t mac_ce_len; + uint16_t mac_subheader_len; + uint16_t mac_sdu_len; + + // For both DL/UL-SCH + // Except: + // - UL/DL-SCH: fixed-size MAC CE(known by LCID) + // - UL/DL-SCH: padding + // - UL-SCH: MSG3 48-bits // |0|1|2|3|4|5|6|7| bit-wise // |R|F| LCID | // | L | - - // variable-size MAC CE(known by LCID), padding, MSG3, MAC SDU // |0|1|2|3|4|5|6|7| bit-wise // |R|F| LCID | // | L | // | L | - // fixed-size MAC CE(known by LCID), padding, MSG3 + // For both DL/UL-SCH + // For: + // - UL/DL-SCH: fixed-size MAC CE(known by LCID) + // - UL/DL-SCH: padding, for single/multiple 1-oct padding CE(s) + // - UL-SCH: MSG3 48-bits // |0|1|2|3|4|5|6|7| bit-wise // |R|R| LCID | - // LCID: The Logical Channel ID field identifies the logical channel instance of the corresponding MAC SDU or the type of the corresponding MAC CE or padding as described in Tables 6.2.1-1 and 6.2.1-2 for the DL-SCH and UL-SCH respectively. There is one LCID field per MAC subheader. The LCID field size is 6 bits; // L: The Length field indicates the length of the corresponding MAC SDU or variable-sized MAC CE in bytes. There is one L field per MAC subheader except for subheaders corresponding to fixed-sized MAC CEs and padding. The size of the L field is indicated by the F field; - // F: lenght of L is 8 or 16 bits wide + // F: lenght of L is 0:8 or 1:16 bits wide // R: Reserved bit, set to zero. + uint8_t done = 0; - while (!done) { - + while (!done || pdu_len <= 0){ + mac_ce_len = 0x0000; + mac_subheader_len = 0x0001; // default to fixed-length subheader = 1-oct + mac_sdu_len = 0x0000; switch(((NR_MAC_SUBHEADER_FIXED *)pdu_ptr)->LCID){ - // Control element + // MAC CE + case DL_SCH_LCID_CCCH: + // MSG4 RRC Connection Setup 38.331 + // varialbe length + mac_ce_len |= (uint16_t)((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->L; + mac_subheader_len = 2; + if(((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->F){ + mac_ce_len |= (uint16_t)(((NR_MAC_SUBHEADER_LONG *)pdu_ptr)->L2)<<8; + mac_subheader_len = 3; + } + break; + case DL_SCH_LCID_TCI_STATE_ACT_UE_SPEC_PDSCH: + // 38.321 Ch6.1.3.14 + // varialbe length + mac_ce_len |= (uint16_t)((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->L; + mac_subheader_len = 2; + if(((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->F){ + mac_ce_len |= (uint16_t)(((NR_MAC_SUBHEADER_LONG *)pdu_ptr)->L2)<<8; + mac_subheader_len = 3; + } + break; + case DL_SCH_LCID_APERIODIC_CSI_TRI_STATE_SUBSEL: + // 38.321 Ch6.1.3.13 + // varialbe length + mac_ce_len |= (uint16_t)((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->L; + mac_subheader_len = 2; + if(((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->F){ + mac_ce_len |= (uint16_t)(((NR_MAC_SUBHEADER_LONG *)pdu_ptr)->L2)<<8; + mac_subheader_len = 3; + } + break; + case DL_SCH_LCID_SP_CSI_RS_CSI_IM_RES_SET_ACT: + // 38.321 Ch6.1.3.12 + // varialbe length + mac_ce_len |= (uint16_t)((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->L; + mac_subheader_len = 2; + if(((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->F){ + mac_ce_len |= (uint16_t)(((NR_MAC_SUBHEADER_LONG *)pdu_ptr)->L2)<<8; + mac_subheader_len = 3; + } + break; + case DL_SCH_LCID_SP_SRS_ACTIVATION: + // 38.321 Ch6.1.3.17 + // varialbe length + mac_ce_len |= (uint16_t)((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->L; + mac_subheader_len = 2; + if(((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->F){ + mac_ce_len |= (uint16_t)(((NR_MAC_SUBHEADER_LONG *)pdu_ptr)->L2)<<8; + mac_subheader_len = 3; + } + break; + + case DL_SCH_LCID_RECOMMENDED_BITRATE: + // 38.321 Ch6.1.3.20 + mac_ce_len = 2; + break; + case DL_SCH_LCID_SP_ZP_CSI_RS_RES_SET_ACT: + // 38.321 Ch6.1.3.19 + mac_ce_len = 2; + break; + case DL_SCH_LCID_PUCCH_SPATIAL_RELATION_ACT: + // 38.321 Ch6.1.3.18 + mac_ce_len = 3; + break; + case DL_SCH_LCID_SP_CSI_REP_PUCCH_ACT: + // 38.321 Ch6.1.3.16 + mac_ce_len = 2; + break; + case DL_SCH_LCID_TCI_STATE_IND_UE_SPEC_PDCCH: + // 38.321 Ch6.1.3.15 + mac_ce_len = 2; + break; + case DL_SCH_LCID_DUPLICATION_ACT: + // 38.321 Ch6.1.3.11 + mac_ce_len = 1; + break; + case DL_SCH_LCID_SCell_ACT_4_OCT: + // 38.321 Ch6.1.3.10 + mac_ce_len = 4; + break; + case DL_SCH_LCID_SCell_ACT_1_OCT: + // 38.321 Ch6.1.3.10 + mac_ce_len = 1; + break; + case DL_SCH_LCID_L_DRX: + // 38.321 Ch6.1.3.6 + // fixed length but not yet specify. + mac_ce_len = 0; + break; + case DL_SCH_LCID_DRX: + // 38.321 Ch6.1.3.5 + // fixed length but not yet specify. + mac_ce_len = 0; + break; + case DL_SCH_LCID_TA_COMMAND: + // 38.321 Ch6.1.3.4 + mac_ce_len = 1; + break; + case DL_SCH_LCID_CON_RES_ID: + // 38.321 Ch6.1.3.3 + mac_ce_len = 6; + break; case DL_SCH_LCID_PADDING: done = 1; - // end of MAC PDU, there is nothing right after padding + // end of MAC PDU, can ignore the rest. break; // MAC SDU - + case DL_SCH_LCID_SRB1: + // check if LCID is valid at current time. + case UL_SCH_LCID_SRB2: + // check if LCID is valid at current time. + case UL_SCH_LCID_SRB3: + // check if LCID is valid at current time. default: - printf("[MAC] get lcid: %d which not support yet\n", ((NR_MAC_SUBHEADER_FIXED *)pdu_ptr)->LCID); + // check if LCID is valid at current time. + mac_sdu_len |= (uint16_t)((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->L; + mac_subheader_len = 2; + if(((NR_MAC_SUBHEADER_SHORT *)pdu_ptr)->F){ + mac_sdu_len |= (uint16_t)(((NR_MAC_SUBHEADER_LONG *)pdu_ptr)->L2)<<8; + mac_subheader_len = 3; + } + // DRB LCID by RRC break; } - pdu_ptr += sub_pdu_len; + pdu_ptr += ( mac_subheader_len + mac_ce_len + mac_sdu_len ); + pdu_len -= ( mac_subheader_len + mac_ce_len + mac_sdu_len ); + AssertFatal(pdu_len >= 0, "[MAC] nr_ue_process_mac_pdu, residual mac pdu length < 0!\n"); } }