From patchwork Tue Feb 16 14:34:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Lobakin X-Patchwork-Id: 384301 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=unavailable 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 CBF7BC433E9 for ; Tue, 16 Feb 2021 14:36:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 970C564DFF for ; Tue, 16 Feb 2021 14:36:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230364AbhBPOfu (ORCPT ); Tue, 16 Feb 2021 09:35:50 -0500 Received: from mail-40134.protonmail.ch ([185.70.40.134]:53165 "EHLO mail-40134.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230336AbhBPOfc (ORCPT ); Tue, 16 Feb 2021 09:35:32 -0500 Date: Tue, 16 Feb 2021 14:34:39 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pm.me; s=protonmail; t=1613486083; bh=lgg1wNkMT8XQOATCoVN+lIKDRAuSPLux4jRMr6UVN+I=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=n3+ZZewhVF2gv5WzYKrGyZ+FQUQzcddVc+ZixijiqEj+LEY0b4hinVo/gu/NhpJk7 zU1ytXnLhMiX5Tz1y9wIb5PsYIla6Can2VQF0f5dFvx402pJ0qghGQY3JYGSR/eYJf HYkzCdeknwMSK9qEd7YqZAcVuaS9vZU/4GRlriSxVV/z+TYUswblA4y/QBM9A6iq43 nUFRZg1XYSya/me4EPkjUX4xj/n4McwQYrLztj+Eb47NTZwaN8yVI4Yk0fXtdHG3PW mYTGLZBD7x7ytCiVEOrwA1cB/MS2Hwn2mYfOX60y3rIpbyCweP71Mz2ZMe7FN/Jkd2 O7HIwMR/z0zpg== To: Magnus Karlsson , =?utf-8?q?Bj=C3=B6rn_T?= =?utf-8?b?w7ZwZWw=?= 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 v5 bpf-next 4/6] virtio-net: support IFF_TX_SKB_NO_LINEAR Message-ID: <20210216143333.5861-5-alobakin@pm.me> In-Reply-To: <20210216143333.5861-1-alobakin@pm.me> References: <20210216143333.5861-1-alobakin@pm.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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;