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(unknown [2a02:6bf:8080:b8f::1:11]) by mail-nwsmtp-smtp-corp-main-83.vla.yp-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id anf8gZ3GnW20-4TZATJdV; Wed, 03 Sep 2025 15:49:46 +0300 Precedence: bulk X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1756903786; bh=Ch4+tq/Yb8WQR2RXOcDXz2HjNbPLNzY4cDu2k8VkayM=; h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From; b=skIhtBVDfbv86TwbyH9cekVRs7rXekNkiF/VOI4uaVUMJKQGcdisi4h3aTOfXrNWj 4Jf4sEEniZOO37Z/J5K/+6+PxLNbKrx5Gqot2daTLEtZAT33oz3yDazH+nkV94Q6JK izs22QpkI2gWrNuDTlW58CrwWSohSAc/6mWggIHs= Authentication-Results: mail-nwsmtp-smtp-corp-main-83.vla.yp-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: jasowang@redhat.com Cc: qemu-devel@nongnu.org, vsementsov@yandex-team.ru, leiyang@redhat.com, steven.sistare@oracle.com, yc-core@yandex-team.ru Subject: [PATCH v3 17/19] net/tap: split net_tap_setup_vhost() separate function Date: Wed, 3 Sep 2025 15:49:31 +0300 Message-ID: <20250903124934.1169899-18-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250903124934.1169899-1-vsementsov@yandex-team.ru> References: <20250903124934.1169899-1-vsementsov@yandex-team.ru> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a02:6b8:c0e:500:1:45:d181:df01; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1a.mail.yandex.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yandex-team.ru) X-ZM-MESSAGEID: 1756903850863124100 Content-Type: text/plain; charset="utf-8" Signed-off-by: Vladimir Sementsov-Ogievskiy Tested-by: Lei Yang --- net/tap.c | 34 ++++++++++++++++++++++++---------- 1 file changed, 24 insertions(+), 10 deletions(-) diff --git a/net/tap.c b/net/tap.c index 0802da7d58..bc46839584 100644 --- a/net/tap.c +++ b/net/tap.c @@ -93,6 +93,8 @@ static int net_init_tap_one(const Netdev *netdev, NetClie= ntState *peer, const char *ifname, const char *script, const char *downscript, const char *vhostfdnam= e, int vnet_hdr, int fd, Error **errp); +static int net_tap_setup_vhost(TAPState *s, const NetdevTapOptions *tap, + const char *vhostfdname, Error **errp); =20 static void tap_update_fd_handler(TAPState *s) { @@ -730,7 +732,7 @@ static int net_init_tap_one(const Netdev *netdev, NetCl= ientState *peer, { const NetdevTapOptions *tap; TAPState *s =3D net_tap_fd_init(peer, model, name, fd, vnet_hdr); - int vhostfd; + int ret; =20 if (netdev->type =3D=3D NET_CLIENT_DRIVER_BRIDGE) { const NetdevBridgeOptions *bridge =3D &netdev->u.bridge; @@ -761,9 +763,25 @@ static int net_init_tap_one(const Netdev *netdev, NetC= lientState *peer, } } =20 + ret =3D net_tap_setup_vhost(s, tap, vhostfdname, errp); + if (ret < 0) { + goto failed; + } + + return 0; + +failed: + qemu_del_net_client(&s->nc); + return -1; +} + +static int net_tap_setup_vhost(TAPState *s, const NetdevTapOptions *tap, + const char *vhostfdname, Error **errp) +{ if (tap->has_vhost ? tap->vhost : vhostfdname || (tap->has_vhostforce && tap->vhostforce)) { VhostNetOptions options; + int vhostfd; =20 options.backend_type =3D VHOST_BACKEND_TYPE_KERNEL; options.net_backend =3D &s->nc; @@ -776,20 +794,20 @@ static int net_init_tap_one(const Netdev *netdev, Net= ClientState *peer, if (vhostfdname) { vhostfd =3D monitor_fd_param(monitor_cur(), vhostfdname, errp); if (vhostfd =3D=3D -1) { - goto failed; + return -1; } if (!qemu_set_blocking(vhostfd, false, errp)) { - goto failed; + return -1; } } else { vhostfd =3D open("/dev/vhost-net", O_RDWR); if (vhostfd < 0) { error_setg_errno(errp, errno, "tap: open vhost char device failed"); - goto failed; + return -1; } if (!qemu_set_blocking(vhostfd, false, errp)) { - goto failed; + return -1; } } options.opaque =3D (void *)(uintptr_t)vhostfd; @@ -804,15 +822,11 @@ static int net_init_tap_one(const Netdev *netdev, Net= ClientState *peer, if (!s->vhost_net) { error_setg(errp, "vhost-net requested but could not be initialized"); - goto failed; + return -1; } } =20 return 0; - -failed: - qemu_del_net_client(&s->nc); - return -1; } =20 static int net_tap_from_monitor_fd(const Netdev *netdev, NetClientState *p= eer, --=20 2.48.1