From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2237ECE58C for ; Fri, 11 Oct 2019 13:08:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BBBAF2089F for ; Fri, 11 Oct 2019 13:08:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728574AbfJKNIN (ORCPT ); Fri, 11 Oct 2019 09:08:13 -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 Content-Transfer-Encoding: 8bit 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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 -- 2.21.0