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 420C44EDCD3; Thu, 17 Sep 2026 17:19:20 +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=1789665561; cv=none; b=KiPcrhMU05UqMkupSOHdV5A3WopaK3B7TxaDjF3kKkJZ92qUC0sL8aUqI7qVIZp69Wx+DWB2av1Q6DkkL8uug1j+n6mvRSN5dvRmPH4kAL5TqcriVU/sKFAlk0ZlwnJ4eMXqILKgypzMBgJ8Bp7i32jrinlyrSHhtTp7N9ItxXg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789665561; c=relaxed/simple; bh=XvzxMZjmLkMSmf+KRdmkF5tL3/TRDcXn5zR/gaZtnzA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SSfndXkF6gdMwVPByEyLWAJoNtGnaW/su3HF48/Uwv8endUpYOb0kCCQT9pfUksFGe2oy2U2oAEByh70rzunqJtryDM+ryuOYV883PbKvVAIHE75hBrl5GWp0ZVdOsQ8rR0UBPqSACevI4y1pPuTxAS4/hODzVeRS1hRKN+F7Gw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=E6UXGLao; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="E6UXGLao" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 999D41F00893; Thu, 17 Sep 2026 17:19:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789665560; bh=uRyTH57RTXhX4UCEuADL08wj+4W/hGcuwc+ooBq0P7k=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=E6UXGLaonsHJqDRfAv2pYz/3Rr/EiVoqt4anKxZ1orXMI+SsakhiCrlPOMJqpnWiq sP8oUus2WP6Hy3ECAKiMQOE2rjZNxX0UceRm/zhDy5ZVNblx+3VKQKcMg8PIwFmYSC czPWT4jLv4vFOsMH0OVttrSvK3l1gfa7q6jQdSto= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lorenzo Bianconi , Paolo Abeni , Sasha Levin Subject: [PATCH 6.18 0746/1250] net: stmmac: reconfigure RX packet parser table in stmmac_hw_setup() after reset Date: Thu, 17 Sep 2026 16:09:01 +0100 Message-ID: <20260917151612.104402737@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917151551.901433442@linuxfoundation.org> References: <20260917151551.901433442@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lorenzo Bianconi [ Upstream commit 6b8fed2675fb75d23e6cf2b7e49c94926e884b34 ] The core software reset issued in stmmac_init_dma_engine() during ndo_open() callback clears the MTL RX packet parser registers, but stmmac_rxp_config() is only invoked from the cls_u32 add/delete paths. After an ifdown/ifup cycle the hardware therefore runs with the default all-pass table while priv->tc_entries still reports the filters as installed. Re-apply the RX packet parser table from priv->tc_entries in stmmac_hw_setup(), right after the software reset, so the filters are restored when the interface is brought up again. Fixes: 4dbbe8dde848 ("net: stmmac: Add support for U32 TC filter using Flexible RX Parser") Signed-off-by: Lorenzo Bianconi Link: https://patch.msgid.link/20260831-stmmac_tc_cls32_reconfigure-v1-1-21cb459e64ae@oss.qualcomm.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index a3eeb68c8d3f4..3f184c91db458 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3455,6 +3455,14 @@ static int stmmac_hw_setup(struct net_device *dev) /* Initialize MTL*/ stmmac_mtl_configuration(priv); + /* Apply the RX packet parser table */ + if (priv->tc_entries) { + ret = stmmac_rxp_config(priv, priv->hw->pcsr, priv->tc_entries, + priv->tc_entries_max); + if (ret) + return ret; + } + /* Initialize Safety Features */ stmmac_safety_feat_configuration(priv); -- 2.53.0