On 09/01/2009 01:14 PM, Anil Veerabhadrappa wrote:
> On Sun, 2009-08-30 at 14:31 -0700, Mike Christie wrote:
>> For offlaod cards, bnx2i, cxgb3i and be2iscsi, we have to do discovery
>> through a second network interface. The two attached patches has us
>> instead do discovery through the iscsi class interface, so you do not
>> have to set up a seperate nic for discovery and you do not have to worry
>> about IP based ACLS on the target.
>> The 0001-iscsiadm-use-kernel-pdu-passthrough-for-sendtargets.patch patch
>> was made over the open-iscsi git tree. It is only userspce code.
>> The 0001-libiscsi-fix-login-text-checks-in-pdu-injection-cod.patch patch
>> is made over linux-2.6-iscsi's iscsi branch. It should probably apply to
>> other kernels though.
>> Please give the patches a try.
>> Here are some known limits:
>> MaxRecvSegmentLength is hard coded to 8K for discovery sessions, because
>> the kernel conn->data buffer and driver related buffers were hard coded
>> to this value and some netlink's buffers are too.
>> I have only tested cxgb3i.
>> Ben, this is not patched against the uip offload tree but I can do that
>> for you.
>> Michael and Anil, I was not sure where to handle text response pdus in
>> bnx2i_process_new_cqes? I am currently sending the discovery session
>> login and text pdus through the same interface you get nops or normal
>> session login pdus, so I think bnx2i_mtask_xmit should just work (I
>> limited MaxRecvSegmentLength to ISCSI_DEF_MAX_RECV_SEG_LEN, so the buf
>> sizes are ok.).
> I will work on it and send it to you soon. where is the latest bnx2i
> code on your linux-2.6-iscsi tree?

The latest bnx2i code is in James bnx2i tree. linux-2.6-iscsi does not 
have your cid changes yet. I am updating to James's tree now.

However, the kernel patch will apply to James's tree as is, so you can 
go ahead and use it.

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