From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: [PATCH net-next 0/8] vhost-net rx batching Date: Tue, 21 Mar 2017 12:04:39 +0800 Message-ID: <1490069087-4783-1-git-send-email-jasowang@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: mst@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: netdev.vger.kernel.org Hi all: This series tries to implement rx batching for vhost-net. This is done by batching the dequeuing from skb_array which was exported by underlayer socket and pass the sbk back through msg_control to finish userspace copying. Tests shows at most 19% improvment on rx pps. Please review. Thanks Jason Wang (8): ptr_ring: introduce batch dequeuing skb_array: introduce batch dequeuing tun: export skb_array tap: export skb_array tun: support receiving skb through msg_control tap: support receiving skb from msg_control vhost_net: try batch dequing from skb array vhost_net: use lockless peeking for skb array during busy polling drivers/net/tap.c | 25 ++++++++++++++--- drivers/net/tun.c | 31 +++++++++++++++------ drivers/vhost/net.c | 71 +++++++++++++++++++++++++++++++++++++++++++---- include/linux/if_tap.h | 5 ++++ include/linux/if_tun.h | 5 ++++ include/linux/ptr_ring.h | 65 +++++++++++++++++++++++++++++++++++++++++++ include/linux/skb_array.h | 25 +++++++++++++++++ 7 files changed, 209 insertions(+), 18 deletions(-) -- 2.7.4