From: Shirley Ma <mashirle@us.ibm.com>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: David Miller <davem@davemloft.net>,
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: Re: [PATCH V3 2/8] Add a new zerocopy device flag
Date: Wed, 20 Apr 2011 13:09:33 -0700 [thread overview]
Message-ID: <1303330173.19336.52.camel@localhost.localdomain> (raw)
In-Reply-To: <1303328906.2823.24.camel@bwh-desktop>
Resubmit this patch with the new bit.
Signed-off-by: Shirley Ma <xma@us.ibm.com>
---
include/linux/netdevice.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 0249fe7..0998d3d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1067,6 +1067,9 @@ struct net_device {
#define NETIF_F_RXHASH (1 << 28) /* Receive hashing offload */
#define NETIF_F_RXCSUM (1 << 29) /* Receive checksumming offload */
+/* Bit 30 is for device to map userspace buffers -- zerocopy */
+#define NETIF_F_ZEROCOPY (1 << 30)
+
/* Segmentation offload features */
#define NETIF_F_GSO_SHIFT 16
#define NETIF_F_GSO_MASK 0x00ff0000
next prev parent reply other threads:[~2011-04-20 20:09 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 ` [PATCH V3 1/8] Add a new sock zerocopy flag Shirley Ma
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 [this message]
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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