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bh=UkkYK0qeJJY1pNn7NqxCZ0K5KnI9fVIwKynclROcpbw=; b=XYXPDbisxqTUBLCuCyLu/I3HBkVzZwKcb3gx4NKpYAESEIwqsaib0wG9kN3ITQ+PHUJ6oK JJsKqwr5r//fKfeQz52HHK0xWSGEI6UCdRuOdO/1vaEO0JhcGnCtTxBvGZkD8qES7bhkuw jAiqqzzO+mxW+ph5bjuwqtNkRtuXDH8= X-MC-Unique: vT4ARsqAN5yaaglcDQ2FAw-1 From: Jason Wang To: peter.maydell@linaro.org, qemu-devel@nongnu.org Cc: Akihiko Odaki , Jason Wang Subject: [PULL 03/20] net: Move virtio-net header length assertion Date: Tue, 4 Jun 2024 15:37:38 +0800 Message-ID: <20240604073755.1859-4-jasowang@redhat.com> In-Reply-To: <20240604073755.1859-1-jasowang@redhat.com> References: <20240604073755.1859-1-jasowang@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 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=170.10.129.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list 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 @redhat.com) X-ZM-MESSAGEID: 1717486774125100001 Content-Type: text/plain; charset="utf-8" From: Akihiko Odaki The virtio-net header length assertion should happen for any clients. Signed-off-by: Akihiko Odaki Signed-off-by: Jason Wang --- net/net.c | 5 +++++ net/tap.c | 3 --- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/net/net.c b/net/net.c index bd51037ebf..db096765f4 100644 --- a/net/net.c +++ b/net/net.c @@ -56,6 +56,7 @@ #include "net/filter.h" #include "qapi/string-output-visitor.h" #include "qapi/qobject-input-visitor.h" +#include "standard-headers/linux/virtio_net.h" =20 /* Net bridge is currently not supported for W32. */ #if !defined(_WIN32) @@ -550,6 +551,10 @@ void qemu_set_vnet_hdr_len(NetClientState *nc, int len) return; } =20 + assert(len =3D=3D sizeof(struct virtio_net_hdr_mrg_rxbuf) || + len =3D=3D sizeof(struct virtio_net_hdr) || + len =3D=3D sizeof(struct virtio_net_hdr_v1_hash)); + nc->vnet_hdr_len =3D len; nc->info->set_vnet_hdr_len(nc, len); } diff --git a/net/tap.c b/net/tap.c index c848844955..49edf6c2b6 100644 --- a/net/tap.c +++ b/net/tap.c @@ -267,9 +267,6 @@ static void tap_set_vnet_hdr_len(NetClientState *nc, in= t len) TAPState *s =3D DO_UPCAST(TAPState, nc, nc); =20 assert(nc->info->type =3D=3D NET_CLIENT_DRIVER_TAP); - assert(len =3D=3D sizeof(struct virtio_net_hdr_mrg_rxbuf) || - len =3D=3D sizeof(struct virtio_net_hdr) || - len =3D=3D sizeof(struct virtio_net_hdr_v1_hash)); =20 tap_fd_set_vnet_hdr_len(s->fd, len); s->host_vnet_hdr_len =3D len; --=20 2.42.0