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 D1BB1C433F5 for ; Sun, 24 Apr 2022 18:59:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237365AbiDXTCv (ORCPT ); Sun, 24 Apr 2022 15:02:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229929AbiDXTCt (ORCPT ); Sun, 24 Apr 2022 15:02:49 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B12C6116F40; Sun, 24 Apr 2022 11:59:48 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id d5so2797949wrb.6; Sun, 24 Apr 2022 11:59:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=UetoLqapA6ApIfhlhvJs0ER3TpWmnZlfPjVC22O9EkM=; b=WwQHeOrWBO3Xhjgz+UueEcCs69FxpEIIQ6Y897xnnVOKr2y3oqq9bH/NbSRdLepY8m svuNmKA9VbRH7eboFBwvCpCeDDF0oqvxi9nmToG+8YqBlaVyzCPDwVRsdVpQ17gFttWO LWfQo0Qo2BuXuVMM1nsPbhraighTsW4D7RXIcRaRH5IsvEvzqJ8YeLo5gUmGrLDXsQ5f F1YWimulAVHvDgHF39OjMdmoaXSYnHDfLdhATUUQeMte9qU03jsEWw2atMeIlZjLD8Ts gZEiitddqUvpKB3A5ddmgdLkgOar88dTlpZ6Fgov2lx+Xw78XsKwjiILIXhWCWtOfdaA 8eNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=UetoLqapA6ApIfhlhvJs0ER3TpWmnZlfPjVC22O9EkM=; b=j+eRiU8hqwp6VpuO0+tc25p8ZvZ7+nzovLoYa1nk881WLV5FA8MgIV//J2Y1dU6gl5 pWkEvpHqnrAmF3bCFIlc97nurS0OFbC6pLThh7yeUL8PH8KQAV7++ttzHN4ldnrHuLGC /IlBNOIA/8OABvirYf2IxcKhBwJdohvNbF5DeIp1Bua24fH9H6BzfcXz0460t6QtJy9C AgVRohPS3PeFBoVWQ2S7/Nv6TIfK1NWOBYDDaRKrXw2N2jYQi0W5RL5C4QSL4FQVLMF5 UGxTQPrRnGXOek9jXLcMZ2l8HWWGMjLqzoWJ+ppqnJyE+pv2QQXJf5UgM1A4uOaXwmkX kEcg== X-Gm-Message-State: AOAM531R1kfQqkxWvu5wvBya3Nbv3MmygDTnlEMj2v/RTfnnWVFOAdNk BfOFJkKOY01sgIvxA65JTG0= X-Google-Smtp-Source: ABdhPJxPPxL52UOgSeebd7hxhdRrnGgQpveMSkz2hQaRwG3p298ySC3BTHwdztZ2IFvy2MebH2XfgA== X-Received: by 2002:a5d:588a:0:b0:204:1f72:2d90 with SMTP id n10-20020a5d588a000000b002041f722d90mr11707294wrf.651.1650826787183; Sun, 24 Apr 2022 11:59:47 -0700 (PDT) Received: from [192.168.1.5] ([197.57.78.84]) by smtp.gmail.com with ESMTPSA id v18-20020adfc5d2000000b0020589b76704sm7878857wrg.70.2022.04.24.11.59.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 24 Apr 2022 11:59:46 -0700 (PDT) Message-ID: Date: Sun, 24 Apr 2022 20:59:44 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH net-next v3 2/2] net: vxlan: vxlan_core.c: Add extack support to vxlan_fdb_delete Content-Language: en-US To: Julia Lawall Cc: netdev@vger.kernel.org, outreachy@lists.linux.dev, roopa@nvidia.com, jdenham@redhat.com, sbrivio@redhat.com, jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, vladimir.oltean@nxp.com, claudiu.manoil@nxp.com, alexandre.belloni@bootlin.com, shshaikh@marvell.com, manishc@marvell.com, razor@blackwall.org, intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org, UNGLinuxDriver@microchip.com, GR-Linux-NIC-Dev@marvell.com, bridge@lists.linux-foundation.org References: <0d09ad611bb78b9113491007955f2211f3a06e82.1650800975.git.eng.alaamohamedsoliman.am@gmail.com> <06622e4c-b9a5-1c4f-2764-a72733000b4e@gmail.com> From: Alaa Mohamed In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On ٢٤‏/٤‏/٢٠٢٢ ٢٠:٥٦, Julia Lawall wrote: > > On Sun, 24 Apr 2022, Alaa Mohamed wrote: > >> On ٢٤/٤/٢٠٢٢ ١٨:١٥, Julia Lawall wrote: >>> On Sun, 24 Apr 2022, Alaa Mohamed wrote: >>> >>>> Add extack to vxlan_fdb_delete and vxlan_fdb_parse >>> It could be helpful to say more about what adding extack support involves. >>> >>>> Signed-off-by: Alaa Mohamed >>>> --- >>>> changes in V2: >>>> - fix spelling vxlan_fdb_delete >>>> - add missing braces >>>> - edit error message >>>> --- >>>> changes in V3: >>>> fix errors reported by checkpatch.pl >>> But your changes would seem to also be introducing more checkpatch errors, >>> because the Linux kernel coding style puts a space before an { at the >>> start of an if branch. >> I ran checkpatch script before submitting this patch and got no error > OK, whether checkpatch complains or not doesn't really matter. The point > is that in the Linux kernel, one writes: > > if (...) { > > and not > > if (...){ > > You can see other examples of ifs in the Linux kernel. Yes, got it. I will fix it. Thanks, Alaa > > julia > >>> julia >>> >>>> --- >>>> drivers/net/vxlan/vxlan_core.c | 36 +++++++++++++++++++++++----------- >>>> 1 file changed, 25 insertions(+), 11 deletions(-) >>>> >>>> diff --git a/drivers/net/vxlan/vxlan_core.c >>>> b/drivers/net/vxlan/vxlan_core.c >>>> index cf2f60037340..4e1886655101 100644 >>>> --- a/drivers/net/vxlan/vxlan_core.c >>>> +++ b/drivers/net/vxlan/vxlan_core.c >>>> @@ -1129,19 +1129,23 @@ static void vxlan_fdb_dst_destroy(struct vxlan_dev >>>> *vxlan, struct vxlan_fdb *f, >>>> >>>> static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan, >>>> union vxlan_addr *ip, __be16 *port, __be32 >>>> *src_vni, >>>> - __be32 *vni, u32 *ifindex, u32 *nhid) >>>> + __be32 *vni, u32 *ifindex, u32 *nhid, struct >>>> netlink_ext_ack *extack) >>>> { >>>> struct net *net = dev_net(vxlan->dev); >>>> int err; >>>> >>>> if (tb[NDA_NH_ID] && (tb[NDA_DST] || tb[NDA_VNI] || tb[NDA_IFINDEX] || >>>> - tb[NDA_PORT])) >>>> - return -EINVAL; >>>> + tb[NDA_PORT])){ >>>> + NL_SET_ERR_MSG(extack, "DST, VNI, ifindex and port are >>>> mutually exclusive with NH_ID"); >>>> + return -EINVAL; >>>> + } >>>> >>>> if (tb[NDA_DST]) { >>>> err = vxlan_nla_get_addr(ip, tb[NDA_DST]); >>>> - if (err) >>>> + if (err){ >>>> + NL_SET_ERR_MSG(extack, "Unsupported address family"); >>>> return err; >>>> + } >>>> } else { >>>> union vxlan_addr *remote = &vxlan->default_dst.remote_ip; >>>> >>>> @@ -1157,24 +1161,30 @@ static int vxlan_fdb_parse(struct nlattr *tb[], >>>> struct vxlan_dev *vxlan, >>>> } >>>> >>>> if (tb[NDA_PORT]) { >>>> - if (nla_len(tb[NDA_PORT]) != sizeof(__be16)) >>>> + if (nla_len(tb[NDA_PORT]) != sizeof(__be16)){ >>>> + NL_SET_ERR_MSG(extack, "Invalid vxlan port"); >>>> return -EINVAL; >>>> + } >>>> *port = nla_get_be16(tb[NDA_PORT]); >>>> } else { >>>> *port = vxlan->cfg.dst_port; >>>> } >>>> >>>> if (tb[NDA_VNI]) { >>>> - if (nla_len(tb[NDA_VNI]) != sizeof(u32)) >>>> + if (nla_len(tb[NDA_VNI]) != sizeof(u32)){ >>>> + NL_SET_ERR_MSG(extack, "Invalid vni"); >>>> return -EINVAL; >>>> + } >>>> *vni = cpu_to_be32(nla_get_u32(tb[NDA_VNI])); >>>> } else { >>>> *vni = vxlan->default_dst.remote_vni; >>>> } >>>> >>>> if (tb[NDA_SRC_VNI]) { >>>> - if (nla_len(tb[NDA_SRC_VNI]) != sizeof(u32)) >>>> + if (nla_len(tb[NDA_SRC_VNI]) != sizeof(u32)){ >>>> + NL_SET_ERR_MSG(extack, "Invalid src vni"); >>>> return -EINVAL; >>>> + } >>>> *src_vni = cpu_to_be32(nla_get_u32(tb[NDA_SRC_VNI])); >>>> } else { >>>> *src_vni = vxlan->default_dst.remote_vni; >>>> @@ -1183,12 +1193,16 @@ static int vxlan_fdb_parse(struct nlattr *tb[], >>>> struct vxlan_dev *vxlan, >>>> if (tb[NDA_IFINDEX]) { >>>> struct net_device *tdev; >>>> >>>> - if (nla_len(tb[NDA_IFINDEX]) != sizeof(u32)) >>>> + if (nla_len(tb[NDA_IFINDEX]) != sizeof(u32)){ >>>> + NL_SET_ERR_MSG(extack, "Invalid ifindex"); >>>> return -EINVAL; >>>> + } >>>> *ifindex = nla_get_u32(tb[NDA_IFINDEX]); >>>> tdev = __dev_get_by_index(net, *ifindex); >>>> - if (!tdev) >>>> + if (!tdev){ >>>> + NL_SET_ERR_MSG(extack,"Device not found"); >>>> return -EADDRNOTAVAIL; >>>> + } >>>> } else { >>>> *ifindex = 0; >>>> } >>>> @@ -1226,7 +1240,7 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct >>>> nlattr *tb[], >>>> return -EINVAL; >>>> >>>> err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex, >>>> - &nhid); >>>> + &nhid, extack); >>>> if (err) >>>> return err; >>>> >>>> @@ -1291,7 +1305,7 @@ static int vxlan_fdb_delete(struct ndmsg *ndm, >>>> struct nlattr *tb[], >>>> int err; >>>> >>>> err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex, >>>> - &nhid); >>>> + &nhid, extack); >>>> if (err) >>>> return err; >>>> >>>> -- >>>> 2.36.0 >>>> >>>> >>>> > >