This file provides the API functions to build Control Plane Messages for XRAN Front Haul layer as defined in XRAN-FH.CUS.0-v02.01. More...

#include <rte_branch_prediction.h>
#include "xran_common.h"
#include "xran_transport.h"
#include "xran_cp_api.h"
#include "xran_printf.h"
#include "xran_compression.h"

Include dependency graph for xran_cp_api.c:

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Data Structures
struct	xran_sectioninfo_db

Macros
#define	CPLEN_TS (30720000)

Functions
int	xran_cp_init_sectiondb (void *pHandle)
	Initialize section database. Allocate required memory space to store section information. Each eAxC allocates dedicated storage and the entry size is the maximum number of sections. Total entry size : number of CC * number of antenna * max number of sections * 2(direction) More...

int	xran_cp_free_sectiondb (void *pHandle)
	Release and free section database. More...

int	xran_cp_add_section_info (void pHandle, uint8_t dir, uint8_t cc_id, uint8_t ruport_id, uint8_t ctx_id, struct xran_section_info info)
	Add a section information of C-Plane to dabase. More...

int	xran_cp_add_multisection_info (void pHandle, uint8_t cc_id, uint8_t ruport_id, uint8_t ctx_id, struct xran_cp_gen_params gen_info)

struct xran_section_info *	xran_cp_find_section_info (void *pHandle, uint8_t dir, uint8_t cc_id, uint8_t ruport_id, uint8_t ctx_id, uint16_t section_id)
	Find a section information of C-Plane from dabase by given information. More...

struct xran_section_info *	xran_cp_iterate_section_info (void pHandle, uint8_t dir, uint8_t cc_id, uint8_t ruport_id, uint8_t ctx_id, uint32_t next)
	Iterate each section information of C-Plane from the database of eAxC by given information. More...

int32_t	xran_cp_getsize_section_info (void *pHandle, uint8_t dir, uint8_t cc_id, uint8_t ruport_id, uint8_t ctx_id)
	Get the size of stored entries for the database of eAxC by given information. More...

int	xran_cp_reset_section_info (void *pHandle, uint8_t dir, uint8_t cc_id, uint8_t ruport_id, uint8_t ctx_id)
	Reset a database of eAxC by given information. More...

int	xran_dump_sectiondb (void)

int32_t	xran_cp_populate_section_ext_1 (int8_t p_ext1_dst, uint16_t ext1_dst_len, int16_t p_bfw_iq_src, uint16_t rbNum, uint16_t bfwNumPerRb, uint8_t bfwiqWidth, uint8_t bfwCompMeth)

uint16_t	xran_get_cplength (int CP_length)

int32_t	xran_get_freqoffset (int32_t freqOffset, int32_t scs)

int	xran_append_section_extensions (struct rte_mbuf mbuf, struct xran_section_gen_info params)
	add section extension to C-Plane packet More...

int	xran_append_control_section (struct rte_mbuf mbuf, struct xran_cp_gen_params params)
	add sections to C-Plane packet Section type 1 and 3 are supported. More...

int	xran_append_radioapp_header (struct rte_mbuf mbuf, struct xran_cp_gen_params params)
	add a radio application header in a C-Plane packet More...

int	xran_prepare_ctrl_pkt (struct rte_mbuf mbuf, struct xran_cp_gen_params params, uint8_t CC_ID, uint8_t Ant_ID, uint8_t seq_id)
	Create a C-Plane packet Transport layer fragmentation is not supported. More...

int	xran_parse_section_ext1 (void ext, struct xran_sectionext1_info extinfo)

int	xran_parse_section_ext2 (void ext, struct xran_sectionext2_info extinfo)

int	xran_parse_section_ext4 (void ext, struct xran_sectionext4_info extinfo)

int	xran_parse_section_ext5 (void ext, struct xran_sectionext5_info extinfo)

int	xran_parse_section_extension (struct rte_mbuf mbuf, void ext, struct xran_section_gen_info *section)

int	xran_parse_cp_pkt (struct rte_mbuf mbuf, struct xran_cp_gen_params result, struct xran_recv_packet_info *pkt_info)
	Parse a C-Plane packet (for RU emulation) Transport layer fragmentation is not supported. More...

Detailed Description

This file provides the API functions to build Control Plane Messages for XRAN Front Haul layer as defined in XRAN-FH.CUS.0-v02.01.

Author: Intel Corporation

Definition in file xran_cp_api.c.

Macro Definition Documentation

◆ CPLEN_TS

#define CPLEN_TS (30720000)

Definition at line 541 of file xran_cp_api.c.

Function Documentation

◆ xran_append_control_section()

int xran_append_control_section	(	struct rte_mbuf *	mbuf,
		struct xran_cp_gen_params *	params
	)

add sections to C-Plane packet Section type 1 and 3 are supported.

Parameters

mbuf	A pointer to the packet buffer
params	A porinter to the information to generate a C-Plane packet

Returns: XRAN_STATUS_SUCCESS on success XRAN_STATUS_INVALID_PARM if section type is not 1 or 3, or handler is NULL XRAN_STATUS_RESOURCE if failed to allocate the space to packet buffer

Definition at line 1169 of file xran_cp_api.c.

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◆ xran_append_radioapp_header()

int xran_append_radioapp_header	(	struct rte_mbuf *	mbuf,
		struct xran_cp_gen_params *	params
	)

add a radio application header in a C-Plane packet

Parameters

mbuf	A pointer to the packet buffer
params	A porinter to the information to generate a C-Plane packet

Returns: The length of added section (>0) on success XRAN_STATUS_INVALID_PARM if section type is invalid, or handler is NULL XRAN_STATUS_RESOURCE if failed to allocate the space to packet buffer

Definition at line 1297 of file xran_cp_api.c.

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◆ xran_append_section_extensions()

int xran_append_section_extensions	(	struct rte_mbuf *	mbuf,
		struct xran_section_gen_info *	params
	)

add section extension to C-Plane packet

Parameters

mbuf	A pointer to the packet buffer
params	A porinter to the information to generate a C-Plane packet

Returns: XRAN_STATUS_SUCCESS on success XRAN_STATUS_INVALID_PARM XRAN_STATUS_RESOURCE if failed to allocate the space to packet buffer

Definition at line 907 of file xran_cp_api.c.

◆ xran_cp_add_multisection_info()

int xran_cp_add_multisection_info	(	void *	pHandle,
		uint8_t	cc_id,
		uint8_t	ruport_id,
		uint8_t	ctx_id,
		struct xran_cp_gen_params *	gen_info
	)

Definition at line 187 of file xran_cp_api.c.

◆ xran_cp_add_section_info()

int xran_cp_add_section_info	(	void *	pHandle,
		uint8_t	dir,
		uint8_t	cc_id,
		uint8_t	ruport_id,
		uint8_t	ctx_id,
		struct xran_section_info *	info
	)

Add a section information of C-Plane to dabase.

Parameters

pHandle	handle for xRAN interface, currently not being used
dir	Direction of C-Plane message for the section to store
cc_id	CC ID of C-Plane message for the section to store
ruport_id	RU port ID of C-Plane message for the section to store
ctx_id	Context index for the section database
info	The information of this section to store

Returns: XRAN_STATUS_SUCCESS on success XRAN_STATUS_INVALID_PARAM, if direction, CC ID or RU port ID is incorrect XRAN_STATUS_RESOURCE, if no more space to add on database

Definition at line 160 of file xran_cp_api.c.

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◆ xran_cp_find_section_info()

struct xran_section_info* xran_cp_find_section_info	(	void *	pHandle,
		uint8_t	dir,
		uint8_t	cc_id,
		uint8_t	ruport_id,
		uint8_t	ctx_id,
		uint16_t	section_id
	)

Find a section information of C-Plane from dabase by given information.

Parameters

pHandle	handle for xRAN interface, currently not being used
dir	The direction of the section to find
cc_id	The CC ID of the section to find
ruport_id	RU port ID of the section to find
ctx_id	Context index for the section database
section_id	The ID of section to find

Returns: The pointer of section information if matched section is found NULL if failed to find matched section

Definition at line 242 of file xran_cp_api.c.

◆ xran_cp_free_sectiondb()

int xran_cp_free_sectiondb ( void * pHandle )

Release and free section database.

Parameters

pHandle handle for xRAN interface, currently not being used

Returns: XRAN_STATUS_SUCCESS on success

Definition at line 89 of file xran_cp_api.c.

◆ xran_cp_getsize_section_info()

int32_t xran_cp_getsize_section_info	(	void *	pHandle,
		uint8_t	dir,
		uint8_t	cc_id,
		uint8_t	ruport_id,
		uint8_t	ctx_id
	)

Get the size of stored entries for the database of eAxC by given information.

Parameters

pHandle	handle for xRAN interface, currently not being used
dir	The direction of the section to find
cc_id	The CC ID of the section to find
ruport_id	RU port ID of the section to find
ctx_id	Context index for the section database

Returns: The size of stored entries -1 if failed to find matched database

Definition at line 334 of file xran_cp_api.c.

◆ xran_cp_init_sectiondb()

int xran_cp_init_sectiondb ( void * pHandle )

Initialize section database. Allocate required memory space to store section information. Each eAxC allocates dedicated storage and the entry size is the maximum number of sections. Total entry size : number of CC * number of antenna * max number of sections * 2(direction)

Parameters

pHandle handle for xRAN interface, currently not being used

Returns: XRAN_STATUS_SUCCESS on success XRAN_STATUS_RESOURCE, if memory is not enough to allocate database area

Definition at line 66 of file xran_cp_api.c.

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◆ xran_cp_iterate_section_info()

struct xran_section_info* xran_cp_iterate_section_info	(	void *	pHandle,
		uint8_t	dir,
		uint8_t	cc_id,
		uint8_t	ruport_id,
		uint8_t	ctx_id,
		uint32_t *	next
	)

Iterate each section information of C-Plane from the database of eAxC by given information.

Parameters

pHandle	handle for xRAN interface, currently not being used
dir	The direction of the section to find
cc_id	The CC ID of the section to find
ruport_id	RU port ID of the section to find
ctx_id	Context index for the section database
next	The pointer to store the position of next entry

Returns: The pointer of section information in the list NULL if reached at the end of the list

Definition at line 291 of file xran_cp_api.c.

◆ xran_cp_populate_section_ext_1()

int32_t xran_cp_populate_section_ext_1	(	int8_t *	p_ext1_dst,
		uint16_t	ext1_dst_len,
		int16_t *	p_bfw_iq_src,
		uint16_t	rbNumber,
		uint16_t	bfwNumber,
		uint8_t	bfwiqWidth,
		uint8_t	bfwCompMeth
	)

compression method

populate one extType=1 section with BFW for 1 RB

Parameters

p_ext1_dst	destination buffer
ext1_dst_len	dest buffer size
p_bfw_iq_src	source buffer of IQs
rbNum	number RBs to ext1 chain
bfwNumPerRb	number of bf weights in this set of sections
bfwiqWidth	bit size of IQs

Definition at line 387 of file xran_cp_api.c.

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◆ xran_cp_reset_section_info()

int xran_cp_reset_section_info	(	void *	pHandle,
		uint8_t	dir,
		uint8_t	cc_id,
		uint8_t	ruport_id,
		uint8_t	ctx_id
	)

Reset a database of eAxC by given information.

Parameters

pHandle	handle for xRAN interface, currently not being used
dir	The direction of the section to find
cc_id	The CC ID of the section to find
ruport_id	RU port ID of the section to find
ctx_id	Context index for the section database

Returns: XRAN_STATUS_SUCCESS on success XRAN_STATUS_INVALID_PARM if failed to find matched database

Definition at line 366 of file xran_cp_api.c.

◆ xran_dump_sectiondb()

int xran_dump_sectiondb ( void )

Definition at line 381 of file xran_cp_api.c.

◆ xran_get_cplength()

uint16_t xran_get_cplength ( int CP_length )

inline

Definition at line 542 of file xran_cp_api.c.

◆ xran_get_freqoffset()

int32_t xran_get_freqoffset	(	int32_t	freqOffset,
		int32_t	scs
	)

inline

Definition at line 550 of file xran_cp_api.c.

◆ xran_parse_cp_pkt()

int xran_parse_cp_pkt	(	struct rte_mbuf *	mbuf,
		struct xran_cp_gen_params *	result,
		struct xran_recv_packet_info *	pkt_info
	)

Parse a C-Plane packet (for RU emulation) Transport layer fragmentation is not supported.

Parameters

mbuf	The pointer of the packet buffer to be parsed
params	The pointer of structure to store the information of parsed packet
eaxc	The pointer of sturcture to store the decomposed information of ecpriRtcid/ecpriPcid

Returns: XRAN_STATUS_SUCCESS on success XRAN_STATUS_INVALID_PACKET if failed to parse the packet

Definition at line 1749 of file xran_cp_api.c.

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◆ xran_parse_section_ext1()

int xran_parse_section_ext1	(	void *	ext,
		struct xran_sectionext1_info *	extinfo
	)

Definition at line 1416 of file xran_cp_api.c.

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◆ xran_parse_section_ext2()

int xran_parse_section_ext2	(	void *	ext,
		struct xran_sectionext2_info *	extinfo
	)

Definition at line 1497 of file xran_cp_api.c.

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◆ xran_parse_section_ext4()

int xran_parse_section_ext4	(	void *	ext,
		struct xran_sectionext4_info *	extinfo
	)

Definition at line 1579 of file xran_cp_api.c.

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◆ xran_parse_section_ext5()

int xran_parse_section_ext5	(	void *	ext,
		struct xran_sectionext5_info *	extinfo
	)

Definition at line 1606 of file xran_cp_api.c.

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◆ xran_parse_section_extension()

int xran_parse_section_extension	(	struct rte_mbuf *	mbuf,
		void *	ext,
		struct xran_section_gen_info *	section
	)

Definition at line 1668 of file xran_cp_api.c.

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◆ xran_prepare_ctrl_pkt()

int xran_prepare_ctrl_pkt	(	struct rte_mbuf *	mbuf,
		struct xran_cp_gen_params *	params,
		uint8_t	CC_ID,
		uint8_t	Ant_ID,
		uint8_t	seq_id
	)

Create a C-Plane packet Transport layer fragmentation is not supported.

Parameters

mbuf	A pointer to the packet buffer
params	A porinter to the information to generate a C-Plane packet
CC_ID	Component Carrier ID for this C-Plane message
Ant_ID	Antenna ID(RU Port ID) for this C-Plane message
seq_id	Sequence ID for this C-Plane message

Returns: XRAN_STATUS_SUCCESS on success XRAN_STATUS_RESOURCE if failed to allocate the space to packet buffer XRAN_STATUS_INVALID_PARM if section type is invalid

Definition at line 1381 of file xran_cp_api.c.

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Data Structures

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ CPLEN_TS

Function Documentation

◆ xran_append_control_section()

◆ xran_append_radioapp_header()

◆ xran_append_section_extensions()

◆ xran_cp_add_multisection_info()

◆ xran_cp_add_section_info()

◆ xran_cp_find_section_info()

◆ xran_cp_free_sectiondb()

◆ xran_cp_getsize_section_info()

◆ xran_cp_init_sectiondb()

◆ xran_cp_iterate_section_info()

◆ xran_cp_populate_section_ext_1()

◆ xran_cp_reset_section_info()

◆ xran_dump_sectiondb()

◆ xran_get_cplength()

◆ xran_get_freqoffset()

◆ xran_parse_cp_pkt()

◆ xran_parse_section_ext1()

◆ xran_parse_section_ext2()

◆ xran_parse_section_ext4()

◆ xran_parse_section_ext5()

◆ xran_parse_section_extension()

◆ xran_prepare_ctrl_pkt()