From owner-svn-src-all@FreeBSD.ORG Thu Jan 1 02:06:02 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 772DC5DA; Thu, 1 Jan 2015 02:06:02 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 634B864FA4; Thu, 1 Jan 2015 02:06:02 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t01262Bl011431; Thu, 1 Jan 2015 02:06:02 GMT (envelope-from bryanv@FreeBSD.org) Received: (from bryanv@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t01261X2011429; Thu, 1 Jan 2015 02:06:01 GMT (envelope-from bryanv@FreeBSD.org) Message-Id: <201501010206.t01261X2011429@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: bryanv set sender to bryanv@FreeBSD.org using -f From: Bryan Venteicher Date: Thu, 1 Jan 2015 02:06:01 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r276491 - head/sys/dev/virtio/network X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jan 2015 02:06:02 -0000 Author: bryanv Date: Thu Jan 1 02:06:00 2015 New Revision: 276491 URL: https://svnweb.freebsd.org/changeset/base/276491 Log: Add softc flag for when the indirect descriptor feature was negotiated MFC after: 2 weeks Modified: head/sys/dev/virtio/network/if_vtnet.c head/sys/dev/virtio/network/if_vtnetvar.h Modified: head/sys/dev/virtio/network/if_vtnet.c ============================================================================== --- head/sys/dev/virtio/network/if_vtnet.c Thu Jan 1 02:04:44 2015 (r276490) +++ head/sys/dev/virtio/network/if_vtnet.c Thu Jan 1 02:06:00 2015 (r276491) @@ -599,6 +599,8 @@ vtnet_setup_features(struct vtnet_softc vtnet_negotiate_features(sc); + if (virtio_with_feature(dev, VIRTIO_RING_F_INDIRECT_DESC)) + sc->vtnet_flags |= VTNET_FLAG_INDIRECT; if (virtio_with_feature(dev, VIRTIO_RING_F_EVENT_IDX)) sc->vtnet_flags |= VTNET_FLAG_EVENT_IDX; @@ -3653,7 +3655,7 @@ vtnet_set_tx_intr_threshold(struct vtnet * Without indirect descriptors, leave enough room for the most * segments we handle. */ - if (virtio_with_feature(dev, VIRTIO_RING_F_INDIRECT_DESC) == 0 && + if ((sc->vtnet_flags & VTNET_FLAG_INDIRECT) == 0 && thresh < sc->vtnet_tx_nsegs) thresh = sc->vtnet_tx_nsegs; Modified: head/sys/dev/virtio/network/if_vtnetvar.h ============================================================================== --- head/sys/dev/virtio/network/if_vtnetvar.h Thu Jan 1 02:04:44 2015 (r276490) +++ head/sys/dev/virtio/network/if_vtnetvar.h Thu Jan 1 02:06:00 2015 (r276491) @@ -140,7 +140,8 @@ struct vtnet_softc { #define VTNET_FLAG_MRG_RXBUFS 0x0080 #define VTNET_FLAG_LRO_NOMRG 0x0100 #define VTNET_FLAG_MULTIQ 0x0200 -#define VTNET_FLAG_EVENT_IDX 0x0400 +#define VTNET_FLAG_INDIRECT 0x0400 +#define VTNET_FLAG_EVENT_IDX 0x0800 int vtnet_link_active; int vtnet_hdr_size;