Re: Integration of SCST in the mainstream Linux kernel

[Roland Dreier]

 > Sorry, but I'm afraid you got this wrong. When the iSER transport is
 > used instead of TCP, all data is sent via RDMA, including unsolicited
 > data. If you have look at the iSER implementation in the Linux kernel
 > (source files under drivers/infiniband/ulp/iser), you will see that
 > all data is transferred via RDMA and not via TCP/IP.

I think the confusion here is caused by a slight misuse of the term
"RDMA".  It is true that all data is always transported over an
InfiniBand connection when iSER is used, but not all such transfers
are one-sided RDMA operations; some data can be transferred using
send/receive operations.

 - R.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/