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: [RFC PATCH v9 05/16] Add a function to indicate if device use external buffer. Date: Fri, 6 Aug 2010 17:23:33 +0800 [thread overview] Message-ID: <1281086624-5765-6-git-send-email-xiaohui.xin@intel.com> (raw) In-Reply-To: <1281086624-5765-5-git-send-email-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 5f192de..23d6ec0 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1602,6 +1602,11 @@ extern gro_result_t napi_gro_frags(struct napi_struct *napi); extern int netdev_mp_port_prep(struct net_device *dev, struct mpassthru_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); -- 1.5.4.4
WARNING: multiple messages have this Message-ID (diff)
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: [RFC PATCH v9 05/16] Add a function to indicate if device use external buffer. Date: Fri, 6 Aug 2010 17:23:33 +0800 [thread overview] Message-ID: <1281086624-5765-6-git-send-email-xiaohui.xin@intel.com> (raw) In-Reply-To: <1281086624-5765-5-git-send-email-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 5f192de..23d6ec0 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1602,6 +1602,11 @@ extern gro_result_t napi_gro_frags(struct napi_struct *napi); extern int netdev_mp_port_prep(struct net_device *dev, struct mpassthru_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); -- 1.5.4.4
next prev parent reply other threads:[~2010-08-06 9:12 UTC|newest] Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-08-06 9:23 [RFC PATCH v9 00/16] Provide a zero-copy method on KVM virtio-net xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 01/16] Add a new structure for skb buffer from external xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 02/16] Add a new struct for device to manipulate external buffer xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 03/16] Add a ndo_mp_port_prep func to net_device_ops xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 04/16] Add a function make external buffer owner to query capability xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin [this message] 2010-08-06 9:23 ` [RFC PATCH v9 05/16] Add a function to indicate if device use external buffer xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 06/16] Use callback to deal with skb_release_data() specially xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 07/16] Modify netdev_alloc_page() to get external buffer xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 08/16] Modify netdev_free_page() to release " xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 09/16] Don't do skb recycle, if device use " xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 10/16] Add a hook to intercept external buffers from NIC driver xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 11/16] Add header file for mp device xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 13/16] Add a kconfig entry and make entry " xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 12/16] Add mp(mediate passthru) device xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 14/16] Provides multiple submits and asynchronous notifications xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 15/16] An example how to modifiy NIC driver to use napi_gro_frags() interface xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-08-06 9:23 ` [RFC PATCH v9 16/16] An example how to alloc user buffer based on " xiaohui.xin 2010-08-06 9:23 ` xiaohui.xin 2010-09-06 11:11 ` [RFC PATCH v9 12/16] Add mp(mediate passthru) device Michael S. Tsirkin 2010-09-10 13:40 ` Xin, Xiaohui 2010-09-11 7:41 ` Xin, Xiaohui 2010-09-12 13:37 ` Michael S. Tsirkin 2010-09-15 3:13 ` Xin, Xiaohui 2010-09-15 11:28 ` Michael S. Tsirkin 2010-09-17 3:16 ` Xin, Xiaohui 2010-09-20 8:08 ` xiaohui.xin 2010-09-20 11:36 ` Michael S. Tsirkin 2010-09-21 1:39 ` Xin, Xiaohui 2010-09-21 13:14 ` Michael S. Tsirkin 2010-09-22 11:41 ` Xin, Xiaohui 2010-09-22 11:55 ` Michael S. Tsirkin 2010-09-23 12:56 ` Xin, Xiaohui 2010-09-26 11:50 ` Michael S. Tsirkin 2010-09-27 0:42 ` Xin, Xiaohui 2010-09-11 9:42 ` Xin, Xiaohui 2010-08-11 1:23 ` [RFC PATCH v9 00/16] Provide a zero-copy method on KVM virtio-net Shirley Ma 2010-08-11 1:23 ` Shirley Ma 2010-08-11 1:43 ` Shirley Ma 2010-08-11 1:43 ` Shirley Ma 2010-08-11 6:01 ` Shirley Ma 2010-08-11 6:01 ` Shirley Ma 2010-08-11 6:55 ` Shirley Ma 2010-08-11 6:55 ` Shirley Ma 2010-09-03 10:52 ` Michael S. Tsirkin 2010-09-13 18:48 ` Shirley Ma 2010-09-13 21:35 ` Shirley Ma 2010-09-03 10:14 ` Michael S. Tsirkin 2010-09-03 20:29 ` Sridhar Samudrala
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