From: Shirley Ma <mashirle@us.ibm.com>
To: David Miller <davem@davemloft.net>
Cc: mst@redhat.com, Eric Dumazet <eric.dumazet@gmail.com>,
Avi Kivity <avi@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
netdev@vger.kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH V3 1/8] Add a new sock zerocopy flag
Date: Wed, 20 Apr 2011 12:42:25 -0700 [thread overview]
Message-ID: <1303328545.19336.22.camel@localhost.localdomain> (raw)
In-Reply-To: <1303328216.19336.18.camel@localhost.localdomain>
This sock zerocopy flag is used to support lower level device DMA
userspace buffers.
Signed-off-by: Shirley Ma <xma@us.ibm.com>
---
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)
next prev parent reply other threads:[~2011-04-20 19:42 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-20 19:36 [PATCH V3 0/8] macvtap/vhost TX zero copy support Shirley Ma
2011-04-20 19:42 ` Shirley Ma [this message]
2011-04-20 19:44 ` [PATCH V3 2/8] Add a new zerocopy device flag Shirley Ma
2011-04-20 19:48 ` Ben Hutchings
2011-04-20 20:05 ` Shirley Ma
2011-04-20 20:09 ` Shirley Ma
2011-04-20 20:24 ` Dimitris Michailidis
2011-04-20 20:28 ` Shirley Ma
2011-04-20 20:30 ` Shirley Ma
2011-05-02 10:42 ` Michael S. Tsirkin
2011-05-02 18:47 ` Shirley Ma
2011-05-02 19:53 ` Michael S. Tsirkin
2011-05-03 17:42 ` Shirley Ma
2011-05-03 20:11 ` Shirley Ma
2011-04-20 19:47 ` [PATCH V3 3/8] Add userspace buffers support in skb Shirley Ma
2011-05-02 10:53 ` Michael S. Tsirkin
2011-05-03 17:36 ` Shirley Ma
2011-04-20 20:07 ` [PATCH V3 4/8] vhost TX zero copy support Shirley Ma
2011-04-20 20:12 ` [PATCH V3 0/8] macvtap/vhost " Shirley Ma
2011-04-20 20:13 ` [PATCH V3 5/8] Enable cxgb3 to support zerocopy Shirley Ma
2011-04-20 20:52 ` Dimitris Michailidis
2011-04-20 20:58 ` Shirley Ma
2011-04-20 21:15 ` Shirley Ma
2011-04-20 20:15 ` [PATCH V3 7/8] Enable ixgbe " Shirley Ma
2011-04-20 20:17 ` [PATCH V3 8/8] Enable benet " Shirley Ma
2011-04-20 20:27 ` [PATCH V3 6/8] macvtap/vhost TX zero copy support Shirley Ma
2011-05-02 18:35 ` Shirley Ma
2011-04-21 14:29 ` [PATCH V3 0/8] " Jon Mason
2011-04-22 17:31 ` Shirley Ma
2011-04-22 17:52 ` Shirley Ma
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