From patchwork Fri Oct 11 13:07:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Garzarella X-Patchwork-Id: 1175154 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46qSth17q6z9sP6 for ; Sat, 12 Oct 2019 00:08:12 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728554AbfJKNIK (ORCPT ); Fri, 11 Oct 2019 09:08:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36798 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728537AbfJKNIJ (ORCPT ); Fri, 11 Oct 2019 09:08:09 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7F4703067288; Fri, 11 Oct 2019 13:08:09 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-117-54.ams2.redhat.com [10.36.117.54]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5AE6160A9F; Fri, 11 Oct 2019 13:08:07 +0000 (UTC) From: Stefano Garzarella To: netdev@vger.kernel.org Cc: virtualization@lists.linux-foundation.org, Jorgen Hansen , "David S. Miller" , "Michael S. Tsirkin" , Stefan Hajnoczi , Adit Ranadive , Jason Wang , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net 1/2] vsock: add half-closed socket details in the implementation notes Date: Fri, 11 Oct 2019 15:07:57 +0200 Message-Id: <20191011130758.22134-2-sgarzare@redhat.com> In-Reply-To: <20191011130758.22134-1-sgarzare@redhat.com> References: <20191011130758.22134-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Fri, 11 Oct 2019 13:08:09 +0000 (UTC) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org vmci_transport never allowed half-closed socket on the host side. Since we want to have the same behaviour across all transports, we add a section in the "Implementation notes". Cc: Jorgen Hansen Cc: Adit Ranadive Signed-off-by: Stefano Garzarella --- net/vmw_vsock/af_vsock.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 2ab43b2bba31..27df57c2024b 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -83,6 +83,10 @@ * TCP_ESTABLISHED - connected * TCP_CLOSING - disconnecting * TCP_LISTEN - listening + * + * - Half-closed socket is supported only on the guest side. recv() on the host + * side should return EOF when the guest closes a connection, also if some + * data is still in the receive queue. */ #include