From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 85408293C4E for ; Fri, 12 Jun 2026 10:58:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781261893; cv=none; b=Y2xywg928xF6sMy4g9mV5K07pRGJ2qdRxxzYcvxXjAHQoARix6bs/bYj8C4mlm42hugzEhdGZ6C0HlfVYoFyDJMa7/zxmx6I51X7PX+ZmwOurHwl2QSpitQavx+tZIvzSM2E04YJrIM8ulESfm6VpTU2pS6e95Ki9jj3DLnb2YE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781261893; c=relaxed/simple; bh=aYPPk2MSCThjvVtdhmTWelJpbGbi6xdJqElxswjMkU0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XOCaJwM6AoCW/tHw1MyZTfvimZssenhfTCXdJeE7dNzpr2LvAnmU5Y8TvUIN3KRIg7BNrJeH20OrN2g3n3MfDLoY4Edvgq8HC0Df+LiUkjkgVez3fdbcSMFdxJpNgDh9y8apQ1qh9dq68Tk0yQfS4beN0Tr5xav0x//vGJEJp1U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bVyaXDwq; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bVyaXDwq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A30471F000E9; Fri, 12 Jun 2026 10:58:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781261892; bh=h0xvL3Sj/8gibbE41ajWqX2gvL5U/maoaJkeOu32Ghk=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=bVyaXDwqaLqscmgx5y0KXHr8sUoZrkKYHau+S8zRzQaBA+TGA8e5P7mmeyWbIqHBC dJeo0L+MPjk10rBC2bUz9iuq2az9Sh5Sc/NYAux7MH5NFrO8TUy4SDUrZ6WgyjQ2Cx CM1q0+9bt9yP5sI+m84T41N6UX4pADMdk3Kvc3lHc4flAbH+2wp4gUpZIiGB66jOLb WXN3n43ab6ZuhyapY5cb+B959niE83KaRK5VNFPCTedBvBU85n4NFyNXbgqxVqJeon 4crhYb8mfZGPqq0ex+YiJi2g7mYjwg0SEAAMDw0lnMWSEF4My1m22TnrGT/l0FeNyP 3zBImpEWkrkhQ== Date: Fri, 12 Jun 2026 12:58:09 +0200 From: Lorenzo Bianconi To: "Wayen.Yan" Cc: netdev@vger.kernel.org, horms@kernel.org, pabeni@redhat.com, kuba@kernel.org, edumazet@google.com, andrew+netdev@lunn.ch, angelogioacchino.delregno@collabora.com, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH v2] net: airoha: Fix debugfs new-tuple display for IPv4 ROUTE entries Message-ID: References: <6a2be54b.ef98c1b2.3c3224.2ed8@mx.google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="YwPDZJBwo+4sBM3J" Content-Disposition: inline In-Reply-To: <6a2be54b.ef98c1b2.3c3224.2ed8@mx.google.com> --YwPDZJBwo+4sBM3J Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > In airoha_ppe_debugfs_foe_show(), the second switch statement falls > through from PPE_PKT_TYPE_IPV4_HNAPT/DSLITE to PPE_PKT_TYPE_IPV4_ROUTE, > accessing hwe->ipv4.new_tuple for all three types. However, IPv4 ROUTE > (3-tuple) entries do not contain a valid new_tuple =E2=80=94 this field i= s only > meaningful for NATted flows (HNAPT/DSLITE). For ROUTE entries, the > memory at the new_tuple offset holds routing information, not NAT data, > so displaying "new=3D" produces garbage output. >=20 > Display new_tuple only for HNAPT and DSLITE, and let IPV4_ROUTE fall > through to the default case. Acked-by: Lorenzo Bianconi >=20 > Fixes: 3fe15c640f38 ("net: airoha: Introduce PPE debugfs support") > Link: https://lore.kernel.org/netdev/6a2b40ea.4dd82583.3a5c46.e5a2@mx.goo= gle.com/ > Signed-off-by: Wayen.Yan > - Drop redundant PPE_PKT_TYPE_IPV4_ROUTE case, let it fall to default > Changes in v2: >=20 > --- > drivers/net/ethernet/airoha/airoha_ppe_debugfs.c | 2 -- > 1 file changed, 2 deletions(-) >=20 > diff --git a/drivers/net/ethernet/airoha/airoha_ppe_debugfs.c b/drivers/n= et/ethernet/airoha/airoha_ppe_debugfs.c > index 0112c41..e46a985 100644 > --- a/drivers/net/ethernet/airoha/airoha_ppe_debugfs.c > +++ b/drivers/net/ethernet/airoha/airoha_ppe_debugfs.c > @@ -121,8 +121,6 @@ static int airoha_ppe_debugfs_foe_show(struct seq_fil= e *m, void *private, > case PPE_PKT_TYPE_IPV4_DSLITE: > src_port =3D &hwe->ipv4.new_tuple.src_port; > dest_port =3D &hwe->ipv4.new_tuple.dest_port; > - fallthrough; > - case PPE_PKT_TYPE_IPV4_ROUTE: > src_addr =3D &hwe->ipv4.new_tuple.src_ip; > dest_addr =3D &hwe->ipv4.new_tuple.dest_ip; > seq_puts(m, " new=3D"); > --=20 > 2.51.0 >=20 >=20 --YwPDZJBwo+4sBM3J Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTquNwa3Txd3rGGn7Y6cBh0uS2trAUCaivmQQAKCRA6cBh0uS2t rNNdAQCQ/7Vjz3KMz+tY+DP5RN7NG/ZMq4VyS3WwE9J58vKl8QD/YZw8JSh2gXeT kY8fTc1iqQyz/qbbK8hGsaleQXSGcwA= =aYth -----END PGP SIGNATURE----- --YwPDZJBwo+4sBM3J--