From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95EB5C25B4E for ; Sun, 22 Jan 2023 15:20:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231243AbjAVPUr (ORCPT ); Sun, 22 Jan 2023 10:20:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231250AbjAVPUp (ORCPT ); Sun, 22 Jan 2023 10:20:45 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 26702222EC for ; Sun, 22 Jan 2023 07:20:45 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B95C460C44 for ; Sun, 22 Jan 2023 15:20:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CCD67C433EF; Sun, 22 Jan 2023 15:20:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1674400844; bh=PgIHuTYor0qdqilMWA4mt/hYSEJrpxTfS2+yy3S8CU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iUt1O/ncwgOD5pqFPMwMn8/Y8QdS1tpNUe46IOHs4INNzWnAt/kVA3wO/VJf03HvM 1zzPEpVC4lGYBTxixsLj5+WPP1kX7ohf5mQuAJKr3X9yaT40uSp+J1WXpdxWrNoSO4 4JKNfxP51aKPhXX3W89XocrnKQXCYYDvI/sEvgZw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Cindy Lu , "Michael S. Tsirkin" , Jason Wang , Sasha Levin Subject: [PATCH 6.1 013/193] vdpa_sim_net: should not drop the multicast/broadcast packet Date: Sun, 22 Jan 2023 16:02:22 +0100 Message-Id: <20230122150246.979549435@linuxfoundation.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230122150246.321043584@linuxfoundation.org> References: <20230122150246.321043584@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Cindy Lu [ Upstream commit 72455a1142527e607e1d69439f3ffa2ef6d09e26 ] In the receive_filter(), should not drop the packet with the broadcast/multicast address. Add the check for this Signed-off-by: Cindy Lu Message-Id: <20221214054306.24145-1-lulu@redhat.com> Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang Signed-off-by: Sasha Levin --- drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c index 11f5a121df24..584b975a98a7 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c @@ -62,6 +62,9 @@ static bool receive_filter(struct vdpasim *vdpasim, size_t len) if (len < ETH_ALEN + hdr_len) return false; + if (is_broadcast_ether_addr(vdpasim->buffer + hdr_len) || + is_multicast_ether_addr(vdpasim->buffer + hdr_len)) + return true; if (!strncmp(vdpasim->buffer + hdr_len, vio_config->mac, ETH_ALEN)) return true; -- 2.35.1