[ofa-general] RE: SRP Target Port

[Vu Pham]

> I have specified the initiator and target GUID in the group membership 
> as to isolate initiators to specific target ports and I get no 
> connections.
What is exactly group name that you created?
You need to create group name same as *initiator name* (first 8-byte is 
target port GUID and last 8-byte is second 8-byt of initiator port ID)

> However when  I leave this as Default group and check the initiator 
> port using OSMTEST for WinIB, I get a port is is 1 higher than that 
> reported by /proc/scst_tgt/sessions:
>  
> WinIB osmtest:
>         1: GUID = 0x1708ffffd0dd61, lid = 0x0008, state = ACTIVE
>         2: GUID = 0x1708ffffd0dd62, lid = 0x0011, state = ACTIVE
>  
> SCST Session:
> Target name          Initiator name                      Group 
> name                          Command Count
> ib_srpt              0x001a4bffff0cd045001708ffffd0dd60  
> Default                             0
> Is it safe to assume the session (SCST Group USER) will always be one 
> less than the initiator port id? The OFED target code seems to be 
> current (git reports no updates).
>

To create *initiator name*, srp target use 8-byte of target port GUID 
and second 8-byte of *initiator port ID* (initiator port ID is sent in 
srp login in private data of connection request)

My guess is that Win SRP use HCA GUID (not port GUID) to construct last 
8-byte of initiator port ID.


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