From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755270Ab0IMUrI (ORCPT ); Mon, 13 Sep 2010 16:47:08 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.143]:42821 "EHLO e3.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751018Ab0IMUrG (ORCPT ); Mon, 13 Sep 2010 16:47:06 -0400 Subject: RFC PATCH 1/2] macvtap: A new sock zero copy flag From: Shirley Ma To: Arnd Bergmann , mst@redhat.com, Avi Kivity Cc: xiaohui.xin@intel.com, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <1284410580.13351.10.camel@localhost.localdomain> References: <1284410580.13351.10.camel@localhost.localdomain> Content-Type: text/plain; charset="UTF-8" Date: Mon, 13 Sep 2010 13:47:01 -0700 Message-ID: <1284410821.13351.13.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 (2.28.3-1.fc12) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org /* Add a new flag to support sock zero copy from user space to kernel */ Signed-off-by: Shirley Ma --- include/net/sock.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/include/net/sock.h b/include/net/sock.h index adab9dc..80172de 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -543,6 +543,7 @@ enum sock_flags { SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */ SOCK_FASYNC, /* fasync() active */ SOCK_RXQ_OVFL, + SOCK_ZEROCOPY, /* zerocopy from user space to kernel */ }; static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)