- From: Thomas Dreibholz <dreibh AT iem.uni-due.de>
- To: sctp-discussion AT sctp.de
- Subject: Re: [SCTP-Discussion] setting SCTP_DELAYED_ACK_TIME
- Date: Fri, 30 Apr 2010 10:01:45 +0200
- List-archive: <http://lists.franken.de/pipermail/sctp-discussion>
- List-id: SCTP Discussions <sctp-discussion.sctp.de>
- Organization: University of Duisburg-Essen
On Montag 19 April 2010, Prasanth Pillai wrote:
>
Hi,
>
>
I tried setting SCTP_DELAYED_ACK_TIME in my code. But when I observe the
>
sack delay through tcpdump the value set is not reflecting( ie the sack
>
packet are send before the given time delay.) But the setsockopt API is
>
not returning any error. Can anyone help me fix this problem?
>
>
Kernal version I am using is
>
>
Linux manya 2.6.18-84.el5PAE #1 SMP Fri Feb 29 16:41:17 EST 2008 i686
>
i686 i386 GNU/Linux
Are you using sctplib/socketapi userland SCTP or the Linux Kernel SCTP
(LK-SCTP)? Your code below looks like you are using LK-SCTP. This is the
mailing list for sctplib/socketapi userland SCTP. You can download our
implementation here:
http://www.sctp.de/sctp-download.html .
>
My code:
>
>
memset(&sack_val, 0, sizeof(sack_val));
>
sack_val.assoc_value = g_config_param.sctp_delayed_ack_time;
>
sack_val.assoc_id = 1;
>
opt_len = sizeof(sack_val);
>
>
if((rc = setsockopt(clientfd, IPPROTO_SCTP, SCTP_DELAYED_ACK_TIME,
>
&sack_val, opt_len)) < 0 )
>
{
>
setcallerinfo ("s1ap", ATERROR, FN, "error");
>
log_error ("ERROR TEXT : Error in setsockop : SCTP_DELAYED_ACK_TIME,
>
[%d]: \"%s\"\n",
>
errno, strerror (errno));
>
return S1AP_FAILURE;
>
}
>
>
regards,
>
Prasanth
Best regards
--
=======================================================================
Dr. Thomas Dreibholz
University of Duisburg-Essen, Room ES210
Inst. for Experimental Mathematics Ellernstraße 29
Computer Networking Technology Group D-45326 Essen/Germany
-----------------------------------------------------------------------
E-Mail:
dreibh AT iem.uni-due.de
Homepage:
http://www.iem.uni-due.de/~dreibh
=======================================================================
Attachment:
signature.asc
Description: This is a digitally signed message part.
Archive powered by MHonArc 2.6.19+.