From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: getaddrinfo - should accept IPPROTO_SCTP no? Date: Fri, 13 Oct 2006 14:30:12 -0700 Message-ID: <45300564.2050504@hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from palrel13.hp.com ([156.153.255.238]:18093 "EHLO palrel13.hp.com") by vger.kernel.org with ESMTP id S932082AbWJMVaO (ORCPT ); Fri, 13 Oct 2006 17:30:14 -0400 Received: from tardy.cup.hp.com (tardy.cup.hp.com [15.244.56.217]) by palrel13.hp.com (Postfix) with ESMTP id B0A5936F4C for ; Fri, 13 Oct 2006 14:30:19 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by tardy.cup.hp.com (8.9.3 (PHNE_28810)/8.9.3 SMKit7.02) with ESMTP id OAA18558 for ; Fri, 13 Oct 2006 14:30:12 -0700 (PDT) To: Linux Network Development list Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org I made some recent changes to netperf to workaround what is IMO a bug in the Solaris getaddrinfo() where it will clear the ai_protocol field even when one gives it a protocol in the hints. [If you happen to be trying to use the test-specific -D to set TCP_NODELAY in netperf on Solaris, you might want to grab netperf TOT to get this workaround as it relates to issues with setting TCP_NODELAY - modulo what it will do to being able to run the netperf SCTP tests on Linux...] In the process though I have stumbled across what appears to be a bug (?) in "Linux" getaddrinfo() - returning a -7 EAI_SOCKTYPE if given as hints SOCK_STREAM and IPPROTO_SCTP - this on a system that ostensibly supports SCTP. I've seen this on RHAS4U4 as well as another less well known distro. I'm about to see about concocting an additional workaround in netperf for this, but thought I'd ask if my assumption - that getaddrinfo() returning -7 when given IPPROTO_SCTP - is indeed a bug in getaddrinfo(). Or am I just woefully behind in patches or completely offbase on what is correct behaviour for getaddrinfo and hints? FWIW, which may not be much, Solaris 10 06/06 seems content to accept IPPROTO_SCTP in the hints. thanks, rick jones http://www.netperf.org/svn/netperf2/trunk/