From owner-freebsd-net@freebsd.org Tue Nov 7 17:28:17 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id AF849E5EB67 for ; Tue, 7 Nov 2017 17:28:17 +0000 (UTC) (envelope-from jhpb@cox.net) Received: from fed1rmfepi107.cox.net (fed1rmfepi107.cox.net [68.230.241.138]) by mx1.freebsd.org (Postfix) with ESMTP id 8F9D678E7C for ; Tue, 7 Nov 2017 17:28:16 +0000 (UTC) (envelope-from jhpb@cox.net) Received: from eastrmimpo210.cox.net ([68.230.241.225]) by eastrmfepo103.cox.net (InterMail vM.8.01.05.28 201-2260-151-171-20160122) with ESMTP id <20171107172809.BFPN4084.eastrmfepo103.cox.net@eastrmimpo210.cox.net> for ; Tue, 7 Nov 2017 12:28:09 -0500 Received: from thunder.sweets ([68.100.138.62]) by eastrmimpo210.cox.net with cox id X5U91w00D1LxgH8015U9RV; Tue, 07 Nov 2017 12:28:09 -0500 X-CT-Class: Clean X-CT-Score: 0.00 X-CT-RefID: str=0001.0A020203.5A01ED29.0169, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 X-CT-Spam: 0 X-Authority-Analysis: v=2.2 cv=O89JhF1W c=1 sm=1 tr=0 a=3mkzfl4ircflX6G+lDqBYw==:117 a=3mkzfl4ircflX6G+lDqBYw==:17 a=8nJEP1OIZ-IA:10 a=x7bEGLp0ZPQA:10 a=sC3jslCIGhcA:10 a=e9ASbk4n0QUA:10 a=nvc2abphtORau_HVpmsA:9 a=wPNLvfGTeEIA:10 X-CM-Score: 0.00 Authentication-Results: cox.net; none Received: from [10.10.10.15] (thunder.sweets [10.10.10.15]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by thunder.sweets (Postfix) with ESMTP id 7177411E36 for ; Tue, 7 Nov 2017 12:28:08 -0500 (EST) Message-ID: <5A01ED27.60900@cox.net> Date: Tue, 07 Nov 2017 12:28:07 -0500 From: "Joseph H. Buehler" User-Agent: Thunderbird 1.5.0.12 (X11/20120201) MIME-Version: 1.0 To: "freebsd-net@freebsd.org" Subject: netmap scatter/gather? Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Nov 2017 17:28:17 -0000 Does NS_MOREFRAG work when using netmap with network adaptors (e.g. virtio_net)? I need to send and receive large frames -- 9600 bytes -- but the netmap buffer size is only 2048. Joe Buehler