From patchwork Tue Feb 18 17:12:35 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Dichtel X-Patchwork-Id: 13980302 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-wm1-f99.google.com (mail-wm1-f99.google.com [209.85.128.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 79A2D26FA4E for ; Tue, 18 Feb 2025 17:13:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.99 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739898827; cv=none; b=YSoogRKctjB9doE9qmg2SwXOgpY8L3UHCS5U4xnb9oq7giZa0mwwVAKIz6L9+GZ2iJI4RTS1pzxP7EUWqy166Ms5kdbkwgfh9RY9o4xjd9ghhuaUQD+Q+eF+g3PSVp7+dTrYoLmo3jiR8+QyBtGMwIFza5c9//p7WIEW5jyEs38= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739898827; c=relaxed/simple; bh=Qo0S1t6YIppK843HPI/H3rLHJ7+t4I4Hq9t1sU6dC3s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=B2wLXQYjBopOgF8DvasDUmd/KCgWeNqQ69H1nGqIHHNPiXf2T6ouEb6fSMYP8cNglevLKP8oQ2jMaZ/9Cz5+YHag1YncBhdxckm0hvGv/55QfqLGm1MSBhIibSAeS5xE3i/XkUpvpSi1HCyLHZrf3AWNL/V4GR80dPK+n1zou2M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=6wind.com; spf=pass smtp.mailfrom=6wind.com; dkim=pass (2048-bit key) header.d=6wind.com header.i=@6wind.com header.b=LNHwCgYP; arc=none smtp.client-ip=209.85.128.99 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=6wind.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=6wind.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=6wind.com header.i=@6wind.com header.b="LNHwCgYP" Received: by mail-wm1-f99.google.com with SMTP id 5b1f17b1804b1-439999d2bbfso223955e9.2 for ; Tue, 18 Feb 2025 09:13:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind.com; s=google; t=1739898823; x=1740503623; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=yzn8I7zdwu9Nfuw3jXMjrxnmSQyAGZFeFVvTe44zzC0=; b=LNHwCgYPg+hchZsp2k7yH8HBHXXy1EqIg/13NJ7GHMof3Jw16bmqGLDKBt/UHxDhO+ qRjqYRPAXS+PipfwsygE5WUGU45rxe3wur4OPkXsRfeDKGlnfm2Pwjg0U7s03al2QTSW Mc5/GQ37mHZwf4KEVlhjyy9aoLVSoC5sDaDwenrUlnLU5YKv3q8edfjWV5vOx73M12o8 3hA0jARS0nfaswJDsl4dG9Dp+7kfHTH4goeUd5XbGzXTENwbF8c9ZkZXviHDCQ8UCQu8 5SkG3qkTsEWC64fwkOIJf5KUt1XadMtXCgUOeQo+murteMzlgC4TkNM7Xa9xbws1D6Yc n3pw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739898823; x=1740503623; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=yzn8I7zdwu9Nfuw3jXMjrxnmSQyAGZFeFVvTe44zzC0=; b=q2zQGWzN2VyslEI+99Nw9q06pIfon7Y5iOnPdH/azzD02V8QMurqR4ziJ+w1eMGVS2 zLGchvW/zoi+ajo/F3zfulCVRYbsGedGCuAH8SqNZgXuwPJ8ewMNc3hsPJFXpnlufWBC gAheyPcZk3El/S9B5OJLevbmk3hh9NDiw0snR6rk3ZGBFlLeE+GW8qD0u8l5CRs9mRVT umP3VUT35hITv5dGxpJEVZMnXw6dfBCTscKedxXKZTcKWsTnzx5HXy0BRYgSLpnfHZtM A+a5FTZBSsjPY16WQudFdJxSdIfuZCIuBd+XjYJ5AKWQ8JlJq332sAFiJxy8F/Ip2z83 K4YA== X-Forwarded-Encrypted: i=1; AJvYcCWBAQtVdlWQYqen/8XeaJyhD4E0MBtoQv7oW4i7N7xRN1h9O1Yq8xZ9kD0HwoK1ZJ2vFSLlguw=@vger.kernel.org X-Gm-Message-State: AOJu0YxiUo1AwoOu5UgB0EORsQoMla5szD6HR/GCn6pgiCneH0DbEXZp XK0mlXJ45Ih+bInMUZVqC7fOnsYm4eumDb2QzrenRUt672NDodtvDbrlheuaEw3tuF7bZ1x+gWC +mFwPXaFS7hl0fi+stO42PbqhdG4XvZn5 X-Gm-Gg: ASbGncuzrbfqBsKBkKgvgCq5b0kltUZUJXrdoV4jMR6e1Dsf8JGTQphPtTEA7rx8KBD biC5Gy4URNcvnQYAQ7mBA4osKULeiysA/L97Nb8jwf8stXrKiMcE77hGDX5tQ7JtQ55ekwEnOD1 oU/UY5nu9wme12FrqUcEKf7n5T3IzgxIUpZRXRoc8FklRE2mwehDqGn8hvAi+g7B//fVHd0BgwF BT7DDuFiSHL4TeDVCpvIlwW3CGCp3VqV4gyph1a9j9nK1Vk3QFvzxrapwod+gnjQqCSRKssmhE8 QIsEZ540ulpjz27gp2sYrzR2de3YeJ052F16PfIQlUv5vJj5PKS4/rsYop4r X-Google-Smtp-Source: AGHT+IFNQqtGeAZNgxJpSvbJhpdKIJQbyW6N4hLVjLofuP7lseEyzf4l9BWUDL6hyrX4RsN9IVcRDOn08TR6 X-Received: by 2002:a05:600c:1ca4:b0:439:9595:c8f4 with SMTP id 5b1f17b1804b1-4399595cb7bmr11661635e9.0.1739898822483; Tue, 18 Feb 2025 09:13:42 -0800 (PST) Received: from smtpservice.6wind.com ([185.13.181.2]) by smtp-relay.gmail.com with ESMTP id 5b1f17b1804b1-43964eb6919sm9239635e9.45.2025.02.18.09.13.42; Tue, 18 Feb 2025 09:13:42 -0800 (PST) X-Relaying-Domain: 6wind.com Received: from bretzel (bretzel.dev.6wind.com [10.17.1.57]) by smtpservice.6wind.com (Postfix) with ESMTPS id 4FA8A12516; Tue, 18 Feb 2025 18:13:42 +0100 (CET) Received: from dichtel by bretzel with local (Exim 4.94.2) (envelope-from ) id 1tkRAE-00F4xJ-2J; Tue, 18 Feb 2025 18:13:42 +0100 From: Nicolas Dichtel To: "David S . Miller" , Jakub Kicinski , Paolo Abeni , Eric Dumazet , Alexander Lobakin Cc: Ido Schimmel , Andrew Lunn , netdev@vger.kernel.org, Nicolas Dichtel , stable@vger.kernel.org Subject: [PATCH net-next v2 1/2] net: advertise 'netns local' property via netlink Date: Tue, 18 Feb 2025 18:12:35 +0100 Message-ID: <20250218171334.3593873-2-nicolas.dichtel@6wind.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250218171334.3593873-1-nicolas.dichtel@6wind.com> References: <20250218171334.3593873-1-nicolas.dichtel@6wind.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Since the below commit, there is no way to see if the netns_local property is set on a device. Let's add a netlink attribute to advertise it. CC: stable@vger.kernel.org Fixes: 05c1280a2bcf ("netdev_features: convert NETIF_F_NETNS_LOCAL to dev->netns_local") Signed-off-by: Nicolas Dichtel --- Documentation/netlink/specs/rt_link.yaml | 3 +++ include/uapi/linux/if_link.h | 1 + net/core/rtnetlink.c | 3 +++ 3 files changed, 7 insertions(+) diff --git a/Documentation/netlink/specs/rt_link.yaml b/Documentation/netlink/specs/rt_link.yaml index 0d492500c7e5..a646d8a6bf9d 100644 --- a/Documentation/netlink/specs/rt_link.yaml +++ b/Documentation/netlink/specs/rt_link.yaml @@ -1148,6 +1148,9 @@ attribute-sets: name: max-pacing-offload-horizon type: uint doc: EDT offload horizon supported by the device (in nsec). + - + name: netns-local + type: u8 - name: af-spec-attrs attributes: diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index bfe880fbbb24..ed4a64e1c8f1 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -378,6 +378,7 @@ enum { IFLA_GRO_IPV4_MAX_SIZE, IFLA_DPLL_PIN, IFLA_MAX_PACING_OFFLOAD_HORIZON, + IFLA_NETNS_LOCAL, __IFLA_MAX }; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index abe1a461ea67..acf787e4d22d 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1292,6 +1292,7 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev, + nla_total_size(4) /* IFLA_TSO_MAX_SEGS */ + nla_total_size(1) /* IFLA_OPERSTATE */ + nla_total_size(1) /* IFLA_LINKMODE */ + + nla_total_size(1) /* IFLA_NETNS_LOCAL */ + nla_total_size(4) /* IFLA_CARRIER_CHANGES */ + nla_total_size(4) /* IFLA_LINK_NETNSID */ + nla_total_size(4) /* IFLA_GROUP */ @@ -2046,6 +2047,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, netif_running(dev) ? READ_ONCE(dev->operstate) : IF_OPER_DOWN) || nla_put_u8(skb, IFLA_LINKMODE, READ_ONCE(dev->link_mode)) || + nla_put_u8(skb, IFLA_NETNS_LOCAL, dev->netns_local) || nla_put_u32(skb, IFLA_MTU, READ_ONCE(dev->mtu)) || nla_put_u32(skb, IFLA_MIN_MTU, READ_ONCE(dev->min_mtu)) || nla_put_u32(skb, IFLA_MAX_MTU, READ_ONCE(dev->max_mtu)) || @@ -2234,6 +2236,7 @@ static const struct nla_policy ifla_policy[IFLA_MAX+1] = { [IFLA_ALLMULTI] = { .type = NLA_REJECT }, [IFLA_GSO_IPV4_MAX_SIZE] = NLA_POLICY_MIN(NLA_U32, MAX_TCP_HEADER + 1), [IFLA_GRO_IPV4_MAX_SIZE] = { .type = NLA_U32 }, + [IFLA_NETNS_LOCAL] = { .type = NLA_REJECT }, }; static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {