IEEE Std 802.1 Qci-2017 pdf download – Local and metropolitan area networks- Bridges and Bridged Networks- Amendment 28: Per-Stream Filtering and Policing.
NOTE 1- -The Maximum SDU size is defined per stream and can therefore differ from the queueMaxSDU specified in 8.6.8.4 of IEEE Std 802.1Qbv. As queueMaxSDU is applied after the stream filters, it is possible that a frame that passes the Maximum SDU size stream filter will later be discarded because its SDU size exceeds queueMaxSDU. 2) Flow meter instance identifier. The identifier of an instance of a flow metering function as specified in 8.6.5. The flow meter instance is an index into a flow meter instance table (8.6.5.1 .3) that specifies the operating parameters for each flow meter instance. Flow metering is always applied after any other filter specifications that could result in frame discard. f) Frame counters 1) A count of frames matching both the stream_ handle and priority specifications. 2) A count of frames that passed the stream gate. 3) A count of frames that did not pass the stream gate. 4) A count of frames that passed the Maximum SDU size filter. 5) A count of frames that did not pass the Maximum SDU size filter. 6) A count of frames that were discarded as a result of the operation of the flow meter. g) A StreamBlockedDue ToOversizeF rame Enable parameter, which takes the value TRUE or FALSE. A value of TRUE indicates that the StreamBlockedDueToOversizeFrame function is enabled; a value of FAI SE indicates that the StreamBlockedDueToOversizeFrame function is disabled. The default value of StreamBlockedDueToOversizeFrameEnable is FAL SE. h) A StreamBlockedDueToOversizeFrame parameter, which takes the value TRUE or FALSE.
8.6.10.7 OperIPV The current value of the IPV associated with the stream gate. The initial value of OperIPV is set equal to the value of the AdminIPV variable (8.6. 10.6). Subsequently, if there is a stream gate control list associated with the stream gate instance, its value is controlled by the contents of the operational stream gate control list and the operation of the List Execute state machine (8.6.9.2). . 8.6.10.8 IntervalOctetsLeft The current value of the IntervalOctetsLeft parameter indicates how many more MSDU octets can be passed by the stream gate during the current TimeInterval. This variable is initialized by the ExecutePSFPOperation(O procedure (8.6. 10.1). If a frame that would otherwise pass the gate is larger than the current value of IntervalOctetsLeft, it is treated as if the gate is in the closed state; i.e, it is discarded. If a frame that would otherwise pass the gate is smaller than the current value of IntervalOctetsLeft, the number of MSDU octets is subtracted from the value of IntervalOctetsL .eft.