From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752887AbdGSIy6 (ORCPT ); Wed, 19 Jul 2017 04:54:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49708 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751548AbdGSIyz (ORCPT ); Wed, 19 Jul 2017 04:54:55 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 8AFC82F86C1 Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=jasowang@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 8AFC82F86C1 From: Jason Wang To: mst@redhat.com, virtualization@lists.linux-foundation.org, jasowang@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next V2 0/5] Refine virtio-net XDP Date: Wed, 19 Jul 2017 16:54:44 +0800 Message-Id: <1500454489-16805-1-git-send-email-jasowang@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 19 Jul 2017 08:54:55 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi: This series brings two optimizations for virtio-net XDP: - avoid reset during XDP set - turn off offloads on demand Changes from V1: - Various tweaks on commit logs and comments - Use virtnet_napi_enable() when enabling NAPI on XDP set - Copy the small buffer packet only if xdp_headroom is smaller than required Please review. Thanks Jason Wang (5): virtio_ring: allow to store zero as the ctx virtio-net: pack headroom into ctx for mergeable buffers virtio-net: switch to use new ctx API for small buffer virtio-net: do not reset during XDP set virtio-net: switch off offloads on demand if possible on XDP set drivers/net/virtio_net.c | 332 ++++++++++++++++++++++++++----------------- drivers/virtio/virtio_ring.c | 2 +- 2 files changed, 200 insertions(+), 134 deletions(-) -- 2.7.4