From: xiaohui.xin@intel.com
To: netdev@vger.kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, mst@redhat.com, mingo@elte.hu,
davem@davemloft.net, herbert@gondor.apana.org.au,
jdike@linux.intel.com
Cc: Xin Xiaohui <xiaohui.xin@intel.com>
Subject: [PATCH v12 05/17] Add a function to indicate if device use external buffer.
Date: Thu, 30 Sep 2010 22:04:22 +0800 [thread overview]
Message-ID: <72e847e65da4e1b51adb288f5768e67eb8a3675f.1285853725.git.xiaohui.xin@intel.com> (raw)
In-Reply-To: <1285855474-12110-1-git-send-email-xiaohui.xin@intel.com>
In-Reply-To: <59d8a50047ee01e26658fd676d26c0162b79e5fd.1285853725.git.xiaohui.xin@intel.com>
From: Xin Xiaohui <xiaohui.xin@intel.com>
Signed-off-by: Xin Xiaohui <xiaohui.xin@intel.com>
Signed-off-by: Zhao Yu <yzhao81new@gmail.com>
Reviewed-by: Jeff Dike <jdike@linux.intel.com>
---
include/linux/netdevice.h | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 27f5024..9ed4fa2 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1611,6 +1611,11 @@ extern gro_result_t napi_gro_frags(struct napi_struct *napi);
extern int netdev_mp_port_prep(struct net_device *dev,
struct mp_port *port);
+static inline bool dev_is_mpassthru(struct net_device *dev)
+{
+ return dev && dev->mp_port;
+}
+
static inline void napi_free_frags(struct napi_struct *napi)
{
kfree_skb(napi->skb);
--
1.7.3
next prev parent reply other threads:[~2010-09-30 14:04 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-30 14:04 [PATCH v12 00/17] Provide a zero-copy method on KVM virtio-net xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 01/17] Add a new structure for skb buffer from external xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 02/17] Add a new struct for device to manipulate external buffer xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 03/17] Add a ndo_mp_port_prep pointer to net_device_ops xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 04/17] Add a function make external buffer owner to query capability xiaohui.xin
2010-09-30 14:04 ` xiaohui.xin [this message]
2010-09-30 14:04 ` [PATCH v12 06/17] Use callback to deal with skb_release_data() specially xiaohui.xin
2010-10-01 7:14 ` David Miller
2010-10-11 7:06 ` Xin, Xiaohui
2010-10-11 15:27 ` David Miller
2010-10-11 15:42 ` Eric Dumazet
2010-10-12 1:24 ` Xin, Xiaohui
2010-09-30 14:04 ` [PATCH v12 07/17]Modify netdev_alloc_page() to get external buffer xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 08/17] Modify netdev_free_page() to release " xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 09/17] Don't do skb recycle, if device use " xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 10/17] Add a hook to intercept external buffers from NIC driver xiaohui.xin
2010-09-30 14:22 ` Eric Dumazet
2010-10-11 7:06 ` Xin, Xiaohui
2010-09-30 14:04 ` [PATCH v12 11/17] Add header file for mp device xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 13/17] Add a kconfig entry and make entry " xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 12/17] Add mp(mediate passthru) device xiaohui.xin
2010-10-03 13:12 ` Michael S. Tsirkin
2010-10-18 8:30 ` Xin, Xiaohui
2010-09-30 14:04 ` [PATCH v12 14/17] Provides multiple submits and asynchronous notifications xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 15/17]An example how to modifiy NIC driver to use napi_gro_frags() interface xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 16/17]An example how to alloc user buffer based on " xiaohui.xin
2010-09-30 14:04 ` [PATCH v12 17/17]add two new ioctls for mp device xiaohui.xin
2010-10-01 0:00 ` [PATCH v12 00/17] Provide a zero-copy method on KVM virtio-net Xin, Xiaohui
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