nvmf_tcp: Correct padding calculation

PDU data alignment (PDA) isn't necessarily a power of 2, just a
multiple of 4, so use roundup() instead of roundup2() to compute the
PDU data offset (PDO).

Spo

nvmf_tcp: Correct padding calculation

PDU data alignment (PDA) isn't necessarily a power of 2, just a
multiple of 4, so use roundup() instead of roundup2() to compute the
PDU data offset (PDO).

Sponsored by: Chelsio Communications

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libnvmf: Correctly set the controller and host PDA fields

The caller supplied PDU data alignment (PDA) field from
nvmf_association_params is the caller's restriction on data alignment
(so affects re

libnvmf: Correctly set the controller and host PDA fields

The caller supplied PDU data alignment (PDA) field from
nvmf_association_params is the caller's restriction on data alignment
(so affects received PDUs), and the PDA value received from the other
end is the remote end's restriction (so affects transmitted PDUs).

I had these backwards so that if the remote end advertised a PDA it
was used as the receive PDA instead of the transmit PDA.

Sponsored by: Chelsio Communications

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