From owner-svn-src-all@FreeBSD.ORG Mon Jan 19 17:02:31 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 5581E650; Mon, 19 Jan 2015 17:02:31 +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 26DB89C5; Mon, 19 Jan 2015 17:02:31 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t0JH2VKs029649; Mon, 19 Jan 2015 17:02:31 GMT (envelope-from bryanv@FreeBSD.org) Received: (from bryanv@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t0JH2URT029644; Mon, 19 Jan 2015 17:02:30 GMT (envelope-from bryanv@FreeBSD.org) Message-Id: <201501191702.t0JH2URT029644@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: bryanv set sender to bryanv@FreeBSD.org using -f From: Bryan Venteicher Date: Mon, 19 Jan 2015 17:02:30 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r277389 - stable/10/sys/dev/virtio/network X-SVN-Group: stable-10 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: Mon, 19 Jan 2015 17:02:31 -0000 Author: bryanv Date: Mon Jan 19 17:02:30 2015 New Revision: 277389 URL: https://svnweb.freebsd.org/changeset/base/277389 Log: MFC r276491: Add softc flag for when the indirect descriptor feature was negotiated Modified: stable/10/sys/dev/virtio/network/if_vtnet.c stable/10/sys/dev/virtio/network/if_vtnetvar.h Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/virtio/network/if_vtnet.c ============================================================================== --- stable/10/sys/dev/virtio/network/if_vtnet.c Mon Jan 19 17:00:53 2015 (r277388) +++ stable/10/sys/dev/virtio/network/if_vtnet.c Mon Jan 19 17:02:30 2015 (r277389) @@ -597,6 +597,8 @@ 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; @@ -3663,7 +3665,7 @@ 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: stable/10/sys/dev/virtio/network/if_vtnetvar.h ============================================================================== --- stable/10/sys/dev/virtio/network/if_vtnetvar.h Mon Jan 19 17:00:53 2015 (r277388) +++ stable/10/sys/dev/virtio/network/if_vtnetvar.h Mon Jan 19 17:02:30 2015 (r277389) @@ -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;