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Tsirkin" , Jason Wang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Arseniy Krasnov , "Krasnov Arseniy" CC: "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "netdev@vger.kernel.org" , kernel Subject: [RFC PATCH v1 09/12] vsock/virtio: support MSG_ZEROCOPY for transport Thread-Topic: [RFC PATCH v1 09/12] vsock/virtio: support MSG_ZEROCOPY for transport Thread-Index: AQHZOfkBclfV0p5QrkafxT61PfKC7g== Date: Mon, 6 Feb 2023 07:02:41 +0000 Message-ID: <787cee22-43b7-82d9-1273-27a2d5544282@sberdevices.ru> In-Reply-To: <0e7c6fc4-b4a6-a27b-36e9-359597bba2b5@sberdevices.ru> Accept-Language: en-US, ru-RU Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.1.12] Content-ID: MIME-Version: 1.0 X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/02/06 01:18:00 #20834045 X-KSMG-AntiVirus-Status: Clean, skipped X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757064845515769371?= X-GMAIL-MSGID: =?utf-8?q?1757064845515769371?= Signed-off-by: Arseniy Krasnov --- net/vmw_vsock/virtio_transport.c | 7 +++++++ 1 file changed, 7 insertions(+) -- 2.25.1 diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c index b8a7d6dc9f46..4c5f19015df7 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -432,6 +432,11 @@ static void virtio_vsock_rx_done(struct virtqueue *vq) queue_work(virtio_vsock_workqueue, &vsock->rx_work); } +static bool virtio_transport_msgzerocopy_allow(void) +{ + return true; +} + static bool virtio_transport_seqpacket_allow(u32 remote_cid); static struct virtio_transport virtio_transport = { @@ -476,6 +481,8 @@ static struct virtio_transport virtio_transport = { .notify_send_pre_enqueue = virtio_transport_notify_send_pre_enqueue, .notify_send_post_enqueue = virtio_transport_notify_send_post_enqueue, .notify_buffer_size = virtio_transport_notify_buffer_size, + + .msgzerocopy_allow = virtio_transport_msgzerocopy_allow, }, .send_pkt = virtio_transport_send_pkt,