From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Wise Subject: Re: Socket Direct Protocol: help (2) Date: Tue, 13 Apr 2010 11:39:07 -0500 Message-ID: <4BC49E2B.3000804@opengridcomputing.com> References: <13381_1271060138_o3C8FUH8013968_2977669.1271060085255.SLOX.WebMail.wwwrun@imap.lnl.infn.it> <1246722.1271082830120.SLOX.WebMail.wwwrun@imap.lnl.infn.it> <2EFBCAEF10980645BBCFB605689E08E9047C7402DA@azsmsx506.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <2EFBCAEF10980645BBCFB605689E08E9047C7402DA-uLM7Qlg6MbdZtRGVdHMbwrfspsVTdybXVpNB7YpNyf8@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Tung, Chien Tin" Cc: Andrea Gozzelino , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "rolandd-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org" , "peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org" , "pavel-+ZI9xUNit7I@public.gmane.org" , "mingo-X9Un+BFzKDI@public.gmane.org" , Eric B Munson List-Id: linux-rdma@vger.kernel.org > NE020 supports 4 SGEs. I don't know enough about SDP to know why it is > using this calculation for # of send_sge: > > #define SDP_MAX_RECV_SKB_FRAGS (PAGE_SIZE > 0x8000 ? 1 : 0x8000 / PAGE_SIZE) > > Chien, does the NE020 support FMRs? I looked at the nes ofed-1.5 code and it appears to do nothing in the map_phys_fmr functions. -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753428Ab0DMQh4 (ORCPT ); Tue, 13 Apr 2010 12:37:56 -0400 Received: from smtp.opengridcomputing.com ([209.198.142.2]:42065 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753120Ab0DMQhz (ORCPT ); Tue, 13 Apr 2010 12:37:55 -0400 Message-ID: <4BC49E2B.3000804@opengridcomputing.com> Date: Tue, 13 Apr 2010 11:39:07 -0500 From: Steve Wise User-Agent: Thunderbird 2.0.0.24 (X11/20100317) MIME-Version: 1.0 To: "Tung, Chien Tin" CC: Andrea Gozzelino , "linux-kernel@vger.kernel.org" , "linux-rdma@vger.kernel.org" , "rolandd@cisco.com" , "peterz@infradead.org" , "pavel@ucw.cz" , "mingo@elte.hu" , Eric B Munson Subject: Re: Socket Direct Protocol: help (2) References: <13381_1271060138_o3C8FUH8013968_2977669.1271060085255.SLOX.WebMail.wwwrun@imap.lnl.infn.it> <1246722.1271082830120.SLOX.WebMail.wwwrun@imap.lnl.infn.it> <2EFBCAEF10980645BBCFB605689E08E9047C7402DA@azsmsx506.amr.corp.intel.com> In-Reply-To: <2EFBCAEF10980645BBCFB605689E08E9047C7402DA@azsmsx506.amr.corp.intel.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > NE020 supports 4 SGEs. I don't know enough about SDP to know why it is > using this calculation for # of send_sge: > > #define SDP_MAX_RECV_SKB_FRAGS (PAGE_SIZE > 0x8000 ? 1 : 0x8000 / PAGE_SIZE) > > Chien, does the NE020 support FMRs? I looked at the nes ofed-1.5 code and it appears to do nothing in the map_phys_fmr functions.