From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [RFC] [PATCH 5/22 v2] [for 2.6.36] rdma/cm: update port reservation to support AF_IB Date: Fri, 26 Mar 2010 18:44:40 -0600 Message-ID: <20100327004440.GE9769@obsidianresearch.com> References: <7451BD1514874F3E987E55040776EECC@amr.corp.intel.com> <20100325202924.GO29129@obsidianresearch.com> <20100325220435.GP29129@obsidianresearch.com> <20100326040809.GD9769@obsidianresearch.com> <57287E48AAAD47A4BD50719B889F4596@amr.corp.intel.com> <350558935FCC47B6A5ABA8402109746C@amr.corp.intel.com> <0F1BE18DBBF74165AEA2B3283B01F338@amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <0F1BE18DBBF74165AEA2B3283B01F338-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sean Hefty Cc: Tom Tucker , linux-rdma List-Id: linux-rdma@vger.kernel.org On Fri, Mar 26, 2010 at 05:11:04PM -0700, Sean Hefty wrote: > >Actually, the port space doesn't matter when specifying a multicast group. So, > >I can't think of any real advantage to supporting AF_IB/PS_TCP. > > Okay - I found one advantage - fewer changes. :b Lol! > I've started adding RDMA_PS_IB. But the rdma_cm code uses the port space to > select between UD or RC operation, so additional changes are needed. > (I'm doing Gross, way too overloaded... How does UD operation work with the SID anyhow? > them now rather than deferring them, since it affects the user to kernel > interface.) Since PS IB is not sufficient, I'm adding the qp_type as a > parameter into rdma_create_id, for that purpose instead. (This change is only > to the kernel API.) So where does ai_qp_type get stuffed in user space? Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html