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.hengli.com.au,
jdike@linux.intel.com
Cc: Xin Xiaohui <xiaohui.xin@intel.com>
Subject: [PATCH v13 05/16] Add a function to indicate if device use external buffer.
Date: Fri, 15 Oct 2010 17:12:06 +0800 [thread overview]
Message-ID: <e23470ddc6e09f8a7002dea7837685c546ce791d.1287132437.git.xiaohui.xin@intel.com> (raw)
In-Reply-To: <1287133937-5538-1-git-send-email-xiaohui.xin@intel.com>
In-Reply-To: <fc6e95d63a2c62aaf77f8ded22fc43ccefcdbbff.1287132437.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 8dcf6de..f91d9bb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1739,6 +1739,11 @@ 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:[~2010-10-15 8:56 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-15 9:12 [PATCH v13 00/16] Provide a zero-copy method on KVM virtio-net xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 01/16] Add a new structure for skb buffer from external xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 02/16] Add a new struct for device to manipulate external buffer xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 03/16] Add a ndo_mp_port_prep pointer to net_device_ops xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 04/16] Add a function make external buffer owner to query capability xiaohui.xin
2010-10-15 9:12 ` xiaohui.xin [this message]
2010-10-15 9:12 ` [PATCH v13 06/16]Use callback to deal with skb_release_data() specially xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 07/16] Modify netdev_alloc_page() to get external buffer xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 08/16] Modify netdev_free_page() to release " xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 09/16]Don't do skb recycle, if device use " xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 10/16] Add a hook to intercept external buffers from NIC driver xiaohui.xin
2010-10-19 15:24 ` David Miller
2010-10-27 1:33 ` Xin, Xiaohui
2010-10-29 20:28 ` David Miller
2010-11-08 7:43 ` Xin, Xiaohui
2010-10-15 9:12 ` [PATCH v13 11/16] Add header file for mp device xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 12/16] Add mp(mediate passthru) device xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 13/16] Add a kconfig entry and make entry for mp device xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 14/16]Provides multiple submits and asynchronous notifications xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 15/16] An example how to modifiy NIC driver to use napi_gro_frags() interface xiaohui.xin
2010-10-15 9:12 ` [PATCH v13 16/16] An example how to alloc user buffer based on " xiaohui.xin
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