From patchwork Tue Feb 16 17:27:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Lobakin X-Patchwork-Id: 12090369 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 7C9CEC4332B for ; Tue, 16 Feb 2021 17:28:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5647364E10 for ; Tue, 16 Feb 2021 17:28:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231148AbhBPR2b (ORCPT ); Tue, 16 Feb 2021 12:28:31 -0500 Received: from mail-40134.protonmail.ch ([185.70.40.134]:41900 "EHLO mail-40134.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231135AbhBPR2a (ORCPT ); Tue, 16 Feb 2021 12:28:30 -0500 Date: Tue, 16 Feb 2021 17:27:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pm.me; s=protonmail; t=1613496468; bh=lgg1wNkMT8XQOATCoVN+lIKDRAuSPLux4jRMr6UVN+I=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=o81foMYZiLen1/5OKxrbcRO6UIfkOhK4itH5dbhNXRBK5NS0Q2STLXiBD4Db4GD5v WY+dfID5CrS4Aa9BAacWJjfbm3gNuO314IcC3sd0iQCUDM1JooVKhr2F8qBtPzZHMx gKgKfrLajjSrtwT98drlRZwgvI6Q//i74u6pR63qxVGFMLMvB35UagpzIUWNKVwP13 tNP1fqHtvvmJVEOOtjscT3liuI7SooMK5Q5z9TCJFWCM6ultcY9gffcj0t4A0kWfCN XpigJKSvm4uDCa6RB8wHrxnN3humeLg4HsGz+xHxWSPCJ4Ty2IRmRmEN2dwqGYTaqg 7PPTny8P0sWjw== 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 v6 bpf-next 4/6] virtio-net: support IFF_TX_SKB_NO_LINEAR Message-ID: <20210216172640.374487-5-alobakin@pm.me> In-Reply-To: <20210216172640.374487-1-alobakin@pm.me> References: <20210216172640.374487-1-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;