From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shirley Ma Subject: [PATCH V3 1/8] Add a new sock zerocopy flag Date: Wed, 20 Apr 2011 12:42:25 -0700 Message-ID: <1303328545.19336.22.camel@localhost.localdomain> References: <1303328216.19336.18.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: mst@redhat.com, Eric Dumazet , Avi Kivity , Arnd Bergmann , netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: David Miller Return-path: In-Reply-To: <1303328216.19336.18.camel@localhost.localdomain> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org This sock zerocopy flag is used to support lower level device DMA userspace buffers. 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 01810a3..daa0a80 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -562,6 +562,7 @@ enum sock_flags { SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */ SOCK_FASYNC, /* fasync() active */ SOCK_RXQ_OVFL, + SOCK_ZEROCOPY, }; static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)