// wwan.h

typedef struct _WWAN_REJECTED_SNSSAI {
  UINT16 CauseCode;
  UINT16 SliceServiceType;
  UINT32 SliceDifferentiator;
} WWAN_REJECTED_SNSSAI, *PWWAN_REJECTED_SNSSAI;
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Windows Driver Kit DDI reference (ns-wwan-wwan_rejected_snssai)

Description

The WWAN_REJECTED_SNSSAI structure contains information about a single Network Slice Selection Assistance Information (S-NSSAI) that was rejected.

Members

`CauseCode`

A 16-bit integer containing a standardized code indicating why the S-NSSAI was rejected.

`SliceServiceType`

The SliceServiceType field may have standardized and non-standardized values. The standardized range contains values from 0 to 127. The operator-specific range contains values from 128 to 255.

Standardized value	Description
1	Enhanced mobile broadband
2	Ultra-reliable low latency communications
3	Massive Internet of Things (IoT)

`SliceDifferentiator`

The SliceDifferentiator field is optional information that complements the SliceServiceType to differentiate among multiple network slices.

If not specified this will be WWAN_SNSSAI_NO_SD_VALUE_ASSOCIATED_WITH_SST (0x00FFFFFF).

WWAN_REJECTED_SNSSAI - NtDoc