VeEX VePAL TX300M, Руководство пользователя

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When supported by FC_Ports, the Priority field shall be used to resolve resource contention or to determine the order to
deliver frames. The definition and use of the Priority field is class dependent.
S_ID Address Identifier:
The S_ID is a three-byte field (Word 1, Bits 23-0) that contains the address identifier of the source Nx_Port.
Type (Data Structure Type):
The data structure type (TYPE) is a one-byte field (Word 2, Bits 31-24) that identifies the protocol of the frame content
for Data frames.
Frame Control (F_CTL):
The Frame Control (F_CTL) field (Word 2, Bits 23-0) is a three-byte field that contains control information relating to the
frame content such as exchange, retransmission, or sequence control. It is also used to identify the function of the
CS_CTL/P field.
Sequence Identifier (SEQ_ID):
The SEQ_ID is a one-byte field (Word 3, Bits 31-24) assigned by the Sequence Initiator that is unique for a specific
D_ID and S_ID pair while the Sequence is open.
Both the Sequence Initiator and the Sequence Recipient track the status of frames within the Sequence using fields
within the Sequence_Qualifier.
Data Field Control (DF_CTL):
Data Field Control (DF_CTL) is a one-byte field (Word 3, Bits 23-16) that specifies the presence of optional headers at
the beginning of the Data_Field for Device_Data or Video_Data frames.
DF_CTL bits are not meaningful on Link_Control or Basic Link Service frames.
Sequence count (SEQ_CNT):
The sequence count (SEQ_CNT) is a two-byte field (Word 3, Bits 15-0) that indicates the sequential order of Data frame
transmission within a single Sequence or multiple consecutive Sequences for the same Exchange.
Originator Exchange_ID (OX_ID):
The Originator Exchange_ID is a two-byte field (Word 4, Bits 31-16) that identifies the Exchange_ID assigned by the
Originator of the Exchange.
Each Exchange is assigned an identifier unique to the Originator or Originator - Responder pair.
Responder Exchange_ID (RX_ID):
The Responder Exchange_ID is a two byte field (Word 4, Bits 15-0) assigned by the Responder that provides a unique,
locally meaningful identifier at the Responder for an Exchange established by an Originator and identified by an OX_ID.
Parameter:
The Parameter field (Word 5, Bits 31-0) has meanings based on frame type.
For Link_Control frames, the Parameter field is used to carry information specific to the individual Link_Control frame.
For Data frames with the relative offset present bit set to 1, the Parameter field specifies relative offset, a four-byte field
that contains the relative displacement of the first byte of the Payload of the frame from the base address as specified by
the ULP.
For detailed information, please visit http://www.incits.org/ and download the Fiber Channel FRAMING AND SIGNALING-2 (FC-FS-2)
standard.
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16.2.3 Traffic Generation and Error Injection
Traffic Setup
Traffic Flow:
Select from Constant, Ramp, or Burst traffic flow - available selections depend on FC-1 or FC-2
Constant:
Continuous traffic (no traffic shaping)
Burst:
Two burst bandwidths are configured with variable burst time in seconds
Ramp:
Start and stop bandwidths are configured along with the bandwidth step size and duration
Frame Size:
Set the frame size in bytes.
Available in FC-2 mode only
Valid settings are 56 bytes to 2148 bytes.
The frame length includes the SOF and EOF overhead bytes.
Constant Bandwidth:
Configure the transmit rate or bandwidth in %
TX300S_e-manual_D07-00-064P_RevA00