2.2.3.1.6 SMB2_RDMA_TRANSFORM_CAPABILITIES
The SMB2_RDMA_TRANSFORM_CAPABILITIES context is specified in an SMB2 NEGOTIATE request by the client to indicate the transforms supported when data is sent over RDMA. The format of the data in the Data field of this SMB2_NEGOTIATE_CONTEXT is as follows:
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TransformCount |
Reserved1 |
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Reserved2 |
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RDMATransformIds (variable) |
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TransformCount (2 bytes): The number of elements in RDMATransformIds array. This value MUST be greater than 0.
Reserved1 (2 bytes): This field MUST NOT be used and MUST be reserved. The sender MUST set this to 0, and the receiver MUST ignore it on receipt.
Reserved2 (4 bytes): This field MUST NOT be used and MUST be reserved. The sender MUST set this to 0, and the receiver MUST ignore it on receipt.
RDMATransformIds (variable): An array of 16-bit integer IDs specifying the supported RDMA transforms. The following IDs are defined.
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Value
Meaning
SMB2_RDMA_TRANSFORM_NONE
0x0000
None.
SMB2_RDMA_TRANSFORM_ENCRYPTION
0x0001
Encryption of data sent over RDMA.
SMB2_RDMA_TRANSFORM_SIGNING
0x0002
Signing of data sent over RDMA.