Performance Management MAD Format
Table 35-1 on page 1022 shows the format of the PM MAD. Refer to “Detailed Description of MADs” on page 779 for a detailed discussion of MADs.
| Dword | Byte 0 | Byte 1 | Byte 2 | Byte 3 | ||
|---|---|---|---|---|---|---|
| 0 | Base MAD Header | Base Version = 01h | Management Class = Perf | Class Version = 01h | R | Perf Method (see Table 35-2 on this page). |
| 1 | Status is only meaningful in response packets. See Table 27-2 on page 776. There are no class-specific status bits. | Not used | ||||
| 2 | Transaction ID | |||||
| 3 | ||||||
| 4 | Perf AttributeID (see Table 35-4 on page 1025 and Table 35-9 on page 1048). | Reserved | ||||
| 5 | AttributeModifier | |||||
| 6–15 | Perf- specific fields | 40 bytes Reserved. | ||||
| 16–63 | 192-byte PM MAD payload. Structure and content depend upon Method, Attribute, and Attribute ... | |||||
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