Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753251Ab0DMUJr (ORCPT ); Tue, 13 Apr 2010 16:09:47 -0400 Received: from mga11.intel.com ([192.55.52.93]:57876 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753161Ab0DMUJp convert rfc822-to-8bit (ORCPT ); Tue, 13 Apr 2010 16:09:45 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.52,199,1270450800"; d="scan'208";a="788863051" From: "Tung, Chien Tin" To: Steve Wise 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 Date: Tue, 13 Apr 2010 13:02:15 -0700 Subject: RE: Socket Direct Protocol: help (2) Thread-Topic: Socket Direct Protocol: help (2) Thread-Index: AcrbJ63Se3RLjC+cT76FKaQFNe3wowAD4MWg Message-ID: <2EFBCAEF10980645BBCFB605689E08E9047C7405A0@azsmsx506.amr.corp.intel.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> <4BC49E2B.3000804@opengridcomputing.com> In-Reply-To: <4BC49E2B.3000804@opengridcomputing.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 667 Lines: 19 >> 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. We never implemented map_phys_fmr. Is it relevant to the # of SGEs? Chien -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/