*
*******************************************************************************/
-
/**
* @brief This file provides public interface to xRAN Front Haul layer implementation as defined in the
* ORAN-WG4.CUS.0-v01.00 spec. Implementation specific to
/** Macro to calculate Symbol number for given slot from symbol index */
#define XranGetSymNum(symIdx, numSymPerTti) (((uint32_t)symIdx % (uint32_t)numSymPerTti))
/** Macro to calculate Frame number for given tti */
-#define XranGetFrameNum(tti,numSubFramePerSystemFrame, numSlotPerSubFrame) ((uint32_t)tti / ((uint32_t)numSubFramePerSystemFrame * (uint32_t)numSlotPerSubFrame))
+#define XranGetFrameNum(tti,SFNatSecStart,numSubFramePerSystemFrame, numSlotPerSubFrame) ((((uint32_t)tti / ((uint32_t)numSubFramePerSystemFrame * (uint32_t)numSlotPerSubFrame)) + SFNatSecStart) & 0x3FF)
/** Macro to calculate Subframe number for given tti */
#define XranGetSubFrameNum(tti, numSlotPerSubFrame, numSubFramePerSystemFrame) (((uint32_t)tti/(uint32_t)numSlotPerSubFrame) % (uint32_t)numSubFramePerSystemFrame)
/** Macro to calculate Slot number */
#define XranGetSlotNum(tti, numSlotPerSfn) ((uint32_t)tti % ((uint32_t)numSlotPerSfn))
-#define XRAN_PORTS_NUM (1) /**< number of XRAN ports (aka O-RU devices) supported */
-#define XRAN_N_FE_BUF_LEN (80) /**< Number of TTIs (slots) */
-#define XRAN_MAX_SECTOR_NR (12) /**< Max sectors per XRAN port */
-#define XRAN_MAX_ANTENNA_NR (4) /**< Max antenna per port */
+#define XRAN_PORTS_NUM (1) /**< number of XRAN ports (aka O-RU devices) supported */
+#define XRAN_N_FE_BUF_LEN (40) /**< Number of TTIs (slots) */
+#define XRAN_MAX_SECTOR_NR (12) /**< Max sectors per XRAN port */
+#define XRAN_MAX_ANTENNA_NR (16) /**< Max number of extended Antenna-Carriers:
+ a data flow for a single antenna (or spatial stream) for a single carrier in a single sector */
+
+/* see 10.2 Hierarchy of Radiation Structure in O-RU (assume TX and RX pannel are the same dimensions)*/
+#define XRAN_MAX_PANEL_NR (1) /**< Max number of Panels supported per O-RU */
+#define XRAN_MAX_TRX_ANTENNA_ARRAY (1) /**< Max number of TX and RX arrays per panel in O-RU */
+#define XRAN_MAX_ANT_ARRAY_ELM_NR (64) /**< Maximum number of Antenna Array Elemets in Antenna Array in the O-RU */
+
+
+
#define XRAN_NUM_OF_SYMBOL_PER_SLOT (14) /**< Number of symbols per slot */
-#define XRAN_MAX_TDD_PERIODICITY (80) /**< Max TDD pattern period */
+#define XRAN_MAX_NUM_OF_SRS_SYMBOL_PER_SLOT XRAN_NUM_OF_SYMBOL_PER_SLOT /**< Max Number of SRS symbols per slot */
+#define XRAN_MAX_TDD_PERIODICITY (80) /**< Max TDD pattern period */
#define XRAN_MAX_CELLS_PER_PORT (XRAN_MAX_SECTOR_NR) /**< Max cells mapped to XRAN port */
#define XRAN_COMPONENT_CARRIERS_MAX (XRAN_MAX_SECTOR_NR) /**< number of CCs */
#define XRAN_NUM_OF_ANT_RADIO (XRAN_MAX_SECTOR_NR*XRAN_MAX_ANTENNA_NR) /**< Max Number of Antennas supported for all CC on single XRAN port */
#define XRAN_MAX_PRBS (275) /**< Max of PRBs per CC per antanna for 5G NR */
+#define XRAN_MAX_SECTIONS_PER_SYM (16) /**< Max number of different sections in single symbol (section is equal to RB allocation for UE) */
#define XRAN_MAX_PKT_BURST (448+4) /**< 4x14x8 symbols per ms */
#define XRAN_N_MAX_BUFFER_SEGMENT XRAN_MAX_PKT_BURST /**< Max number of segments per ms */
XRAN_CB_MAX /**< max number of callbacks */
};
+/** Beamforming type, enumerated as "frequency", "time" or "hybrid"
+ section 10.4.2 Weight-based dynamic beamforming */
+enum xran_weight_based_beamforming_type {
+ XRAN_BF_T_FREQUENCY = 0,
+ XRAN_BF_T_TIME = 1,
+ XRAN_BF_T_HYBRID = 2,
+ XRAN_BF_T_MAX
+};
+
typedef int32_t xran_status_t; /**< Xran status return value */
/** callback function type for Symbol packet */
typedef int (*xran_fh_tti_callback_fn)(void*);
/** Callback function type packet arrival from transport layer (ETH or IP) */
-typedef void (*xran_transport_callback_fn)(void*, int32_t);
+typedef void (*xran_transport_callback_fn)(void*, xran_status_t);
/** Callback functions to poll BBdev encoder */
typedef int16_t (*phy_encoder_poll_fn)(void);
/** Callback functions to poll BBdev secoder */
typedef int16_t (*phy_decoder_poll_fn)(void);
-
/** XRAN port enum */
enum xran_vf_ports
{
/** XRAN category enum */
enum xran_category
{
- XRAN_CATRGORY_A = 0,
- XRAN_CATRGORY_B = 1,
- XRAN_CATRGORY_MAX
+ XRAN_CATEGORY_A = 0,
+ XRAN_CATEGORY_B = 1,
+ XRAN_CATEGORY_MAX
};
/** type of beamforming */
XRAN_BBDEV_MODE_MAX
};
+/** callback return information */
+struct xran_cb_tag {
+ uint16_t cellId;
+ uint32_t symbol;
+ uint32_t slotiId;
+};
+
/** DPDK IO configuration for XRAN layer */
struct xran_io_cfg {
uint8_t id; /**< should be (0) for O-DU or (1) O-RU (debug) */
char *dpdkBasebandDevice; /**< DPDK Baseband device address */
char *filePrefix; /**< DPDK prefix */
- enum xran_category xranCat; /**< mode: Catergory A or Category B */
-
uint32_t mtu; /**< maximum transmission unit (MTU) is the size of the largest protocol data unit (PDU) that can be communicated in a single
xRAN network layer transaction. supported 1500 bytes and 9600 bytes (Jumbo Frame) */
- int8_t *p_o_du_addr; /**< O-DU Ethernet Mac Address */
- int8_t *p_o_ru_addr; /**< O-RU Ethernet Mac Address */
+ int8_t *p_o_du_addr; /**< O-DU Ethernet Mac Address */
+ int8_t *p_o_ru_addr; /**< O-RU Ethernet Mac Address */
+
+ uint16_t totalBfWeights;/**< The total number of beamforming weights on RU for extensions */
uint16_t Tadv_cp_dl; /**< Table 2 7 : xRAN Delay Management Model Parameters */
uint16_t T2a_min_cp_dl; /**< Table 2 7 : xRAN Delay Management Model Parameters */
uint8_t enableCP; /**< enable C-plane */
uint8_t prachEnable; /**< enable PRACH */
+ uint8_t srsEnable; /**< enable SRS (Cat B specific) */
uint8_t cp_vlan_tag; /**< C-plane vlan tag */
uint8_t up_vlan_tag; /**< U-plane vlan tag */
int32_t debugStop; /**< enable auto stop */
int32_t debugStopCount; /**< enable auto stop after number of Tx packets */
int32_t DynamicSectionEna; /**< enable dynamic C-Plane section allocation */
+ int32_t GPS_Alpha; // refer to alpha as defined in section 9.7.2 of ORAN spec. this value should be alpha*(1/1.2288ns), range 0 - 1e7 (ns)
+ int32_t GPS_Beta; //beta value as defined in section 9.7.2 of ORAN spec. range -32767 ~ +32767
};
+/** Beamforming waights for single stream for each PRBs given number of Antenna elements */
struct xran_cp_bf_weight{
- int16_t weight[64];
+ int16_t nAntElmTRx; /**< num TRX for this allocation */
+ int8_t* p_ext_section; /**< pointer to form extType */
+ int16_t ext_section_sz; /**< extType section size */
};
struct xran_cp_bf_attribute{
int16_t weight[4];
int16_t weight[4];
};
+/** section descriptor for given number of PRBs used on U-plane packet creation */
+struct xran_section_desc {
+ uint16_t section_id; /**< section id used for this element */
+
+ int16_t iq_buffer_offset; /**< Offset in bytes for the content of IQs with in main symb buffer */
+ int16_t iq_buffer_len; /**< Length in bytes for the content of IQs with in main symb buffer */
+
+ uint8_t *pData; /**< optional pointer to data buffer */
+ void *pCtrl; /**< optional poitner to mbuf */
+};
+
/** PRB element structure */
struct xran_prb_elm {
- int16_t nRBStart; /**< start RB of RB allocation */
- int16_t nRBSize; /**< number of RBs used */
- int16_t nStartSymb; /**< start symbol ID */
- int16_t numSymb; /**< number of symbol */
- int16_t nBeamIndex; /**< beam index for given PRB */
- int16_t compMethod; /**< compression index for given PRB */
- int16_t BeamFormingType;
+ int16_t nRBStart; /**< start RB of RB allocation */
+ int16_t nRBSize; /**< number of RBs used */
+ int16_t nStartSymb; /**< start symbol ID */
+ int16_t numSymb; /**< number of symbols */
+ int16_t nBeamIndex; /**< beam index for given PRB */
+ int16_t bf_weight_update; /** need to update beam weights or not */
+ int16_t compMethod; /**< compression index for given PRB */
+ int16_t iqWidth; /**< compression bit width for given PRB */
+ int16_t BeamFormingType; /**< index based, weights based or attribute based beam forming*/
+
+ struct xran_section_desc * p_sec_desc[XRAN_NUM_OF_SYMBOL_PER_SLOT]; /**< section desctiptors to U-plane data given RBs */
+ struct xran_cp_bf_weight bf_weight; /**< beam forming information relevant for given RBs */
+
union {
struct xran_cp_bf_attribute bf_attribute;
struct xran_cp_bf_precoding bf_precoding;
uint16_t ru_port_id; /**< RU device antenna port id [0 - (XRAN_MAX_ANTENNA_NR-1) */
uint16_t tti_id; /**< xRAN slot id [0 - (max tti-1)] */
uint8_t start_sym_id; /**< start symbol Id [0-13] */
- uint8_t bf_weight_update; /**need to update beam weight or not*/
- uint32_t nPrbElm; /**< total number of PRBs for given map [0- (XRAN_MAX_PRBS-1)] */
+ uint32_t nPrbElm; /**< total number of PRB elements for given map [0- (XRAN_MAX_PRBS-1)] */
struct xran_prb_elm prbMap[XRAN_MAX_PRBS];
- struct xran_cp_bf_weight bf_weight;
+
+
};
/* PRACH config required for XRAN based FH */
uint8_t nPrachFilterIdx; /**< PRACH Filter index */
};
+/**< SRS configuration required for XRAN based FH */
+struct xran_srs_config {
+ uint16_t symbMask; /**< symbols used for SRS with in U/S slot [bits 0-13] */
+ uint8_t eAxC_offset; /**< starting value of eAxC for SRS packets */
+};
+
/** XRAN slot configuration */
struct xran_slot_config {
uint8_t nSymbolType[XRAN_NUM_OF_SYMBOL_PER_SLOT]; /**< Defines the Symbol type for all 14 symbols in a slot. 0: DL, 1: UL, 2: Guard */
/** XRAN front haul IQ compression settings */
struct xran_ru_config {
+ enum xran_category xranCat; /**< mode: Catergory A or Category B */
+
uint8_t iqWidth; /**< IQ bit width */
uint8_t compMeth; /**< Compression method */
uint8_t fftSize; /**< FFT Size */
enum xran_input_byte_order byteOrder; /**< Order of bytes in int16_t in buffer. Big or little endian */
enum xran_input_i_q_order iqOrder; /**< order of IQs in the buffer */
+ uint16_t xran_max_frame; /**< max frame number supported */
};
/**
uint32_t sector_id; /**< Band sector ID for FH */
uint32_t nCC; /**< number of Component carriers supported on FH */
uint32_t neAxc; /**< number of eAxc supported on one CC*/
+ uint32_t neAxcUl; /**< number of eAxc supported on one CC for UL direction */
+ uint32_t nAntElmTRx; /**< Number of antenna elements for TX and RX */
uint16_t nDLFftSize; /**< DL FFT size */
uint16_t nULFftSize; /**< UL FFT size */
uint16_t nDLRBs; /**< DL PRB */
void *ttiCbParam; /**< parameters of call back function */
struct xran_prach_config prach_conf; /**< PRACH specific configurations for FH */
+ struct xran_srs_config srs_conf; /**< SRS specific configurations for FH */
struct xran_frame_config frame_conf; /**< frame config */
struct xran_ru_config ru_conf; /**< config of RU as per XRAN spec */
xran_transport_callback_fn pCallback,
void *pCallbackTag);
+/**
+ * @ingroup xran
+ *
+ * Function configures SRS output buffers and callback for XRAN layer with given handle
+ *
+ * @param pHandle
+ * Pointer to XRAN layer handle for given CC
+ * @param pDstBuffer
+ * list of memory buffers to use to deliver SRS IQs from xran layer to PHY
+ * @param xran_transport_callback_fn pCallback
+ * Callback function to call with arrival of SRS packets for given CC
+ * @param pCallbackTag
+ * Parameters of Callback function
+ *
+ * @return
+ * 0 - on success
+ * -1 - on error
+ */
+int32_t xran_5g_srs_req (void * pHandle,
+ struct xran_buffer_list *pDstBuffer[XRAN_MAX_ANT_ARRAY_ELM_NR][XRAN_N_FE_BUF_LEN],
+ xran_transport_callback_fn pCallback,
+ void *pCallbackTag);
+
+
+/**
+ * @ingroup xran
+ *
+ * Function returns XRAN core utilization stats
+ *
+ * @param total_time (out)
+ * Pointer to variable to store Total time thread has been running
+ * @param used_time (out)
+ * Pointer to variable to store Total time essential tasks have been running on the thread
+ * @param core_used (out)
+ * Pointer to variable to store Core on which the XRAN thread is running
+ * @param clear (in)
+ * If set to 1, then internal variables total_time and used_time are cleared
+ *
+ * @return
+ * 0 - on success
+ */
+uint32_t xran_get_time_stats(uint64_t *total_time, uint64_t *used_time, uint32_t *core_used, uint32_t clear);
+
/**
* @ingroup xran
*
*/
int32_t xran_get_common_counters(void *pXranLayerHandle, struct xran_common_counters *pStats);
+
+/**
+ * @ingroup xran
+ *
+ * Function returns status of operation of FH layer
+ *
+ * @return
+ * XRAN_INIT - init state
+ * XRAN_RUNNING - running
+ * XRAN_STOPPED - stopped
+ */
enum xran_if_state xran_get_if_state(void);
+/**
+ * @ingroup xran
+ *
+ * Function allocates memory of given size from heap
+ *
+ * @param buf_len
+ * buffer size
+ *
+ * @return
+ * ptr - to memory buffer or NULL
+ */
+void* xran_malloc(size_t buf_len);
+
+
+/**
+ * @ingroup xran
+ *
+ * Function calculates offset for ptr according to ORAN headers requared
+ *
+ * @param dst
+ * pointer to be addjusted
+ * @compMethod
+ * compression method according to enum xran_compression_method
+ *
+ * @return
+ * ptr - pointer to payload given header requared
+ */
+uint8_t* xran_add_hdr_offset(uint8_t *dst, int16_t compMethod);
+
#ifdef __cplusplus
}
#endif
Code Review / o-du / phy.git / blobdiff