APC IP DSLAM User's Guide download pdf (Page 359)

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to specify the offset with respect to the base

offset, which shall be used to specify the field of

the packet used to compute the new base offset.

if the valuetype is U8 the offset can be odd or

even. If the ValueType is U16, U32 or U64 then

the offset can only be even. This field is not valid

for any other value type.

Mask

Mask, used to select the individual bits to be

matched in a packet. If ActVal is SetBase and

SBaseType is Compute then this value is used

to specify the mask, which shall be used to

identify the individual bits of the field of the

packet used to compute the new base offset.

This field is valid only if the ValueType is U8,

U16, U32 or U64. This field is also valid if the

ActVal is MatchInGenList.

Value

Value, to be matched. For NonLinear node

types, this field is not valid. For Linear node

types, this value is used to specify the start of

the range. if ActVal is SetBase and SBaseTypeis

Compute then this field is used to specify the

value,

which is to be added to base offset to calculate

new base offset. If the ActVal is SetPrio or

RetagPrio then this field is used to specify the

priority which is to be assigned to the packet. If

the ActVal is MatchInGenList then this field is

not

valid. If the ActVal is Count then this field is read

only and specifies total number of octet of the

packets hitting this node.

Value End

For Linear nodes this field is used to specify the

end of the range. If the ActVal is InRange then

this field is used to specify the end of the range.

If the ActVal is count then this field is used to

specify the total number of packet hitting this

node. For other actions this field is not valid.

Set Base type

SetBaseType is used to specify whether the

base off set is to be set to an absolute value, or

some value is to be added to existing base offset

value to calculate new base offset value or the

new base offset value is to be computed using

some value in the packet. This field is valid only

if the ActVal is SetBase.

Shift Count

ShiftCount, is the number of times the Value in

the packet is to be shifted before multiplying it

with the Mplr. This field is valid only if the ActVal

is SetBase. Value 32 is used to set shift count to

an invalid value.

Multiplier

Multiplier is used to multiply the value shifted by

ShiftCount. It is used to calculate the new base

offset. This field is valid only if the ActVal is

SetBase.

Description

Description of the profile node. If the ActVal is

FwdToCtl or CpToCtl then this field is mandatory

and it can be used by the applications to receive

the packets coming from control plane because

of this node.

SBVar Index

This specifies setbase variable index. This field

is valid only if 'SetBaseType' is 'SetFromVar'.

'L2Start' is read-only containing Layer 2 header

start offset. 'L3Start' is read-only containing

Layer 3 header start offset. It should be ensured

that packet is IP packet before using 'L3Start'

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APC IP DSLAM User's Guide Page 359

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