Re: [openib-general] [query]maximum no. of connections per session in iser initiator

2007-01-11 Thread keshetti mahesh
initialised to 1) what are the maximum no. of connections allowed per session in iSER initiator? regards, Mahesh keshetti mahesh <[EMAIL PROTECTED]> wrote: >I guess that you're talking about this piece of code: >#define ISCSI_ISER_MAX_CONN 8 >#define ISER_MAX_CQ_LEN ((I

Re: [openib-general] [query]maximum no. of connections per session in iser initiator

2007-01-07 Thread keshetti mahesh
>I guess that you're talking about this piece of code: >#define ISCSI_ISER_MAX_CONN 8 >#define ISER_MAX_CQ_LEN ((ISER_QP_MAX_RECV_DTOS + \ >ISER_QP_MAX_REQ_DTOS) * \ >ISCSI_ISER_MAX_CONN) >It is related to the cq used by iSER. We use it in order to define the >max len of the cq (the same cq is u

[openib-general] reason behind locking the WQs while checking the state in modify_qp?

2006-09-11 Thread keshetti mahesh
hello allrecently i have gone through the discussions  how you have decided to split the QP lock in to separate WQ locks and the locking mechanismhttp://openib.org/pipermail/openib-general/2005-February/004491.htmlin this patch it is mentioned the only place we will be taking the lock is in modify_

Re: [openib-general] Ib question

2006-08-18 Thread keshetti mahesh
you can find all the  required information  in the IB spec.sdownload the specification from  IBTAjohn t <[EMAIL PROTECTED]> wrote: Hi,   In the example code there are things like:   attr.max_dest_rd_atomic = 1; attr.min_rnr_timer = 12;   attr.ah_attr.is_global = 0; attr.ah_attr.sl = 0; attr.ah_attr

[openib-general] connection loss handling in MTHCA

2006-07-26 Thread keshetti mahesh
hello all,i have a query about the "connection loss" handling in the mthca driverconsider the following situation, during the data transfer between two connected endpoints if one side end point(HCA level) detects that coneection is lost due to some reason  such as "receive queue  empty on

[openib-general] connection loss handling in MTHCA

2006-07-25 Thread keshetti mahesh
hello all,i have a query about the "connection loss" handling in the mthca driverconsider the following situation, during the data transfer between two connected endpoints if one side end point(HCA level) detects that coneection is lost due to some reason  such as "receive queue  empty on

Re: [openib-general] connection loss handling in mthca

2006-07-24 Thread keshetti mahesh
Title: Message Dotan Barak <[EMAIL PROTECTED]> wrote:   -Original Message-From: keshetti mahesh[mailto:[EMAIL PROTECTED] Sent: Monday, July 24, 2006 3:21PMTo: Dotan BarakSubject: RE: [openib-general]connection loss handling in mthcaDotanBarak <[EMAIL

Re: [openib-general] connection lose handling in mthca

2006-07-24 Thread keshetti mahesh
Hi.On Monday 24 July 2006 13:50, keshetti mahesh wrote:> i have a query regarding the handling of asynchronous events in mthca driver> consider the situation, receiver has posted some 10 descriptors. and 5 out of them are completd successfully, after that connection is lost( in NIC level)

[openib-general] connection loss handling in mthca

2006-07-24 Thread keshetti mahesh
i have a query regarding the handling of asynchronous events in mthca driverconsider the situation, receiver has posted some 10 descriptors. and 5 out of them are completd successfully, after that connection is lost( in NIC level) due to some reasonnow,1. how do the QP know about this(there is no 

Re: [openib-general] affiliated asynchronous errors

2006-07-18 Thread keshetti mahesh
Sean Hefty <[EMAIL PROTECTED]> wrote: keshetti mahesh wrote:>> if an affiliated asynchronous error occurs and still there are some >> outstanding workrequests on the workqueue then whether flush error >> completion is generated for those completions or not?>Outst

Re: [openib-general] affiliated asynchronous errors

2006-07-17 Thread keshetti mahesh
?)(am i right or missing something)now as there is no event handler for the QP (suppose in the case of SDP )  how do the ULP come to know about it-MaheshSean Hefty <[EMAIL PROTECTED]> wrote: keshetti mahesh wrote:> if an affiliated asynchronous error occurs and still there are some >

[openib-general] affiliated asynchronous errors

2006-07-17 Thread keshetti mahesh
hi all,i have a queryif an affiliated asynchronous error occurs and still there are some outstanding workrequests on the workqueue then whether flush error completion is generated for those completions or not?suppose in SDP it is not registering any event handler while creating  QP. so if any a

[openib-general] repost-problem with memory registration-RDMA kernel utliity

2006-06-06 Thread keshetti mahesh
can anybody me suggest me the correct way to register a buffer for doing RDMA operationsi have already posted my code in the previous thread but that  is not working fine.it is a kernel utility and i have obtained the buffer by using kmalloc, now how can i register this inorder to perform RDMA  op

[openib-general] repost-problem with memory registration-RDMA kernel utliity

2006-06-05 Thread keshetti mahesh
can anybody me suggest me the correct way to register a buffer for doing RDMA operationsi have already posted my code in the previous thread but that  is not working fine.it is a kernel utility and i have obtained the buffer by using kmalloc, now how can i register this inorder to perform RDMA  ope

[openib-general] Re: problem with memory registration-RDMA kernel utliity

2006-06-05 Thread keshetti mahesh
i have added  dma_map_single() and sent the address i got from that to perform RDMA_READ, now it is not at all generating any completion event and just halting there itself.below is the changed code..---

[openib-general] problem with memory registration-RDMA kernel utliity

2006-06-04 Thread keshetti mahesh
i am trying to develop a kernel utility to perform RDMA read/write operationsi am facing a problem with memory regiatration in it.my code looks like.u64 *addr_array;addr_array = kmalloc(sizeof(u64),GFP_KERNEL);                         //i am using only one page buffertest->mem = kmalloc(409

[openib-general] RDMA kernel utilities-newbie

2006-05-22 Thread keshetti mahesh
i need to develop a kernel utility capable of RDMA read/write operationsi have seen example utilities under "svn/gen2/utils/src/linux-kernel/infiniband/util/" tree.where can i find the documentation related to them?regardsK.Mahesh Do you have a question on a topic you cant find an Answer t

[openib-general] FTP over SDP is not working fine-[newbie]

2006-05-15 Thread keshetti mahesh
hii was trying to make some applications run using SDPall the socket based applications developed by me  are working fine but FTP is giving error at the time of connection setup itself i am using openIB gen2 stack (with sdp_historic) i have configured the libsdp.conf for all hosts>export LD_PRELOAD

[openib-general] problem with applications like telnet over SDP

2006-05-09 Thread keshetti mahesh
hello can anybody tell me ..do i need to configure anything to make applications like TELNET,FTP,...work over SDP The normal socket applications are working fine over SDP with the setup i am using. i have configured /etc/libsdp.conf like below >match listen *:* >match destination *:* >match pro

[openib-general] what are the performance figures of SDP over infiniband?

2006-04-06 Thread keshetti mahesh
hi   i have started working over infiniband network in my work i am using openib stack which is available along with RHEL4 update 3 and i tried my benchmark to test the performance   the figures are not convincing (max 260Mbps at 10Mb data rate)   can anybody send me the typical performance

[openib-general] what is the status of sdp..........?

2006-04-06 Thread keshetti mahesh
hello all   i have recently started working over SDP in my lab and i came to know that still it is under development   i want to participate in the development   can anybody tell me what is the current progress in SDP and how i can  involve in it.also   is ther any spl.

[openib-general] how can i know whether my appl'n is using SDP or not?

2006-04-05 Thread keshetti mahesh
i am working on the infiniband cluster and the openIB stack is unstalled in hosts(including SDP)   can anybody tell me wen i run an appl'n over infiniband how can i know whether it is using SDP or IPoIB   regards K.Mahesh   Jiyo cricket on Yahoo! India cricket Yahoo! Messenger Mobil

[openib-general] how to build a library from a source code?

2006-04-05 Thread keshetti mahesh
i am using infiniband cluster in my lab i have setup openIB stack over that i came to know that to make sdp transparent i need to PRELOAD  the libsdp.so library. now i have the libsdp source code(downloaded from openib.org) can anybody plx tell me how can i build libsdp.so from that code and ho

[openib-general] how can i guide FTP like applications to SDP module (infiniband)?

2006-04-04 Thread keshetti mahesh
i have installed openIB stack in my infinband cluster whenever i try to run FTP like apllications they are taking the path through the  IPoIB can anybody tell me how can i guide those applications thru SDP module of the openIB stack?   also, can anybody tell me which redhat version is coming wi

[openib-general] where can i get the offload protocol switch(OPS) patch for SDP?

2006-04-04 Thread keshetti mahesh
can anybody tell me which version of redhat is coming with complete infinband support.   i want to run my socket/ftp applications through the SDP over the infinband i have installed SDP module() in my nodes and it is working fine if i mention the AF_INET_OFFLOAD in my application but i want  a