[ofw] ib_portinfo_record_t padding history?

[Hal Rosenstock]

On Tue, May 18, 2010 at 2:50 PM, Smith, Stan <stan.smith at intel.com> wrote:
>
> Hello,
>  Does anyone know the history as to why the OFED for Windows 'struct _ib_portinfo_record' has 6 bytes of padding while the OFED for Linux version does not?
>
> With padding sizeof ib_portinfo_record_t == 70, without padding sizeof ib_portinfo_record_t == 64.
>
> I'd like to remove the padding to be compatible, along with the fact 'osmtest -f c' produces a correct fabric inventory file.
>
> Thoughts?

In Linux, the 6 bytes of padding were removed in PortInfoRecord
shortly after MaxCreditHint and LinkRtLatency added to PortInfo. Do
the latter appear in the Windows version for PortInfo ?

-- Hal

>
> thanks.
>
> #include <complib/cl_packon.h>
> typedef struct _ib_portinfo_record
> {
>        ib_net16_t              lid;
>        uint8_t         port_num;
>        uint8_t         resv;
>        ib_port_info_t  port_info;
>        uint8_t         pad[6];         <-- ??
>
> }       PACK_SUFFIX ib_portinfo_record_t;
> #include <complib/cl_packoff.h>
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