From patchwork Tue Feb 16 11:38:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Lobakin X-Patchwork-Id: 12089897 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B3360C433E0 for ; Tue, 16 Feb 2021 11:42:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6630964E04 for ; Tue, 16 Feb 2021 11:42:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230390AbhBPLlz (ORCPT ); Tue, 16 Feb 2021 06:41:55 -0500 Received: from mail2.protonmail.ch ([185.70.40.22]:40287 "EHLO mail2.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230396AbhBPLjr (ORCPT ); Tue, 16 Feb 2021 06:39:47 -0500 Date: Tue, 16 Feb 2021 11:38:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pm.me; s=protonmail; t=1613475543; bh=lgg1wNkMT8XQOATCoVN+lIKDRAuSPLux4jRMr6UVN+I=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=kRikEzujlWdzrBVi4Dx0Xz5LhZzxIrb5LfYMfBGlM5nTOW+bUs+21MuBqmX1zmk9O jm2kJpBabl+dn67ZNrH+cl/gi7YEqL5rKup+LasdzlRtxirxiXAfMs8DS7O0a5iW1V 5zCxNBYgRj5sFRHxlenLBuldFWrGUsUfonFGIq3Kr1t4wy8KFV+1hVplUAGp6fbBAe p8dTqvXcRrhtnL8vmgWcShRBP02VdkhSp8RWPd4yEnfoMC0N7BFSAqLUdOnldqgTfN HVMlWjoc16wpi7PrapZZdZa0JCY43hfpuCqRGH7JaSgxH+Zf3AxtPhuxjlK8iI9hMG imErVytrMh7zA== To: Magnus Karlsson , =?utf-8?b?QmrDtnJuIFTDtnBl?= =?utf-8?b?bA==?= From: Alexander Lobakin Cc: "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Jakub Kicinski , Jonathan Lemon , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Paolo Abeni , Eric Dumazet , Xuan Zhuo , Dust Li , Alexander Lobakin , virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org Reply-To: Alexander Lobakin Subject: [PATCH v4 bpf-next 4/6] virtio-net: support IFF_TX_SKB_NO_LINEAR Message-ID: <20210216113740.62041-5-alobakin@pm.me> In-Reply-To: <20210216113740.62041-1-alobakin@pm.me> References: <20210216113740.62041-1-alobakin@pm.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net From: Xuan Zhuo Virtio net supports the case where the skb linear space is empty, so add priv_flags. Signed-off-by: Xuan Zhuo Acked-by: Michael S. Tsirkin Signed-off-by: Alexander Lobakin --- drivers/net/virtio_net.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index ba8e63792549..f2ff6c3906c1 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2972,7 +2972,8 @@ static int virtnet_probe(struct virtio_device *vdev) return -ENOMEM; /* Set up network device as normal. */ - dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE; + dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE | + IFF_TX_SKB_NO_LINEAR; dev->netdev_ops = &virtnet_netdev; dev->features = NETIF_F_HIGHDMA;