// wwan.h

typedef struct _WWAN_TLV_IE {
  WWAN_TLV_TYPE Type;
  UCHAR         Reserved;
  UCHAR         PaddingLength;
  ULONG         DataLength;
} WWAN_TLV_IE, *PWWAN_TLV_IE;
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Windows Driver Kit DDI reference (ns-wwan-wwan_tlv_ie)

Description

WWAN_TLV_IE is a variable-sized data structure for exchanging a wide range of information between a WWAN host and a device.

Members

`Type`

A two-octet IE type value identifying the information element that follows.

`Reserved`

Unused and reserved byte. Must set to zero.

`PaddingLength`

Length of the Padding field in octets. Must be 0, 1, 2, or 3.

`DataLength`

The length of the Data field in octets.

Remarks

The padding is to ensure that the entire size of the structure is a multiple of the size of a DWORD.

WWAN_TLV_IE - NtDoc