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cxgbei: Support DDP for target I/O S/G lists with more than one entry.
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Authored by jhb on Apr 21 2021, 11:59 PM.

Details

Summary

A CAM target layer I/O CCB can use a S/G list of virtual address ranges
to describe its data buffer. This change adds zero-copy receive support
for such requests.

Diff Detail

Repository
R10 FreeBSD src repository
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.