[ofw] initiator/target values during srp login

[Leonid Keller]

The identifier of the port consists of two fields.
As far as guids are unique, also init_port_id and targ_port_id are
unique.
And as for using target ext_id as initiator one - why not, instead of
inventing your own one ...

> -----Original Message-----
> From: ofw-bounces at lists.openfabrics.org 
> [mailto:ofw-bounces at lists.openfabrics.org] On Behalf Of chas 
> williams - CONTRACTOR
> Sent: Friday, July 11, 2008 8:21 PM
> To: ofw at lists.openfabrics.org
> Subject: [ofw] initiator/target values during srp login
> 
> i see that the srp driver currently does:
> 
> ib_api_status_t
> srp_init_connection(
>         IN      OUT     srp_connection_t                *p_connection,
>         IN              ib_ioc_profile_t* const p_profile,
>         IN              net64_t                               
>   ca_guid,
>         IN              net64_t                               
>   ext_id,
>         IN      ib_path_rec_t           *p_path_rec,
>         IN              ib_net64_t                            
>   service_id )
> {
> ...
>         p_connection->p_path_rec = p_path_rec;
>         switch( p_profile->io_class )
>         {
>         case SRP_IO_CLASS_R10:
>                 p_connection->init_port_id.field1 = ca_guid;
>                 p_connection->init_port_id.field2 = ext_id;
>                 p_connection->targ_port_id.field1 = 
> p_profile->ioc_guid;
>                 p_connection->targ_port_id.field2 = ext_id;
>                 break;
>  
>         case SRP_IO_CLASS:
>                 p_connection->init_port_id.field1 = ext_id;
>                 p_connection->init_port_id.field2 = ca_guid;
>                 p_connection->targ_port_id.field1 = ext_id;
>                 p_connection->targ_port_id.field2 = 
> p_profile->ioc_guid;
> 
> isnt it a bit strange to login identifying yourself as the 
> target of the login request? i.e. use use of ext_id for both 
> the initiator and target?
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