From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 BC46D33F8D2; Tue, 3 Feb 2026 11:21:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770117721; cv=none; b=WICMKyPv7lfvzo4rJhl37O3yUVP79FL96VrNkpnHl66qMgQ3chu+gYxl+4lRjKQn48d4I+yKByZuqmA0/F4gxq+6yXC1TIGDFOF3luqR6VeFrWOz5L2NkO/ni3X3wqsFCGr678p75k7l5dW+DQOOCPhM1XM7+fvsoj5/xgNo5jY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770117721; c=relaxed/simple; bh=I/ds7VPivI7MC56xPmzXpkEugesnbH4oVfiwGT7GqoU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uzyKMiv/VUmlTJ7Ffvb4T4z3tXrE78sPSrVzVrhMbY/cQjqLfi+Lo797eX/So/blAIblKzV7XgJXoSwntR2dcfSBWrWet/2jkSgvP0VR//NZCRvN4cLvoDT1TKeSCt+OmMSwKOFiEvCLrFDNwVsizqox/nRqr0ed4rw9Zh5aGFY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=BrVl0dLD; arc=none smtp.client-ip=198.175.65.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="BrVl0dLD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770117720; x=1801653720; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=I/ds7VPivI7MC56xPmzXpkEugesnbH4oVfiwGT7GqoU=; b=BrVl0dLD4kqwsgvqpoZz3qYb4hv2yG+JNIPmh/I/7dZIsQ4B7zryN709 2pJ6lsVPiBjTQ67GTmw7GKFE084c+0KyvG7eWeJbDhq7J10AWgYtIB6/E 1sAFNxWjSMJh71zSjoJOHyX+3ENlwHXB6hnM04STndIES+F14py34DZSj 6O2HvCgu28ozEDF/6dFgM4EQ1lhAl4IYB+rx5+KxnEuMr0m6QeqkhjFfU 6B9Hmd100GtDFSU1FC9g9zi4R0mRZz3oPe7aYzOifsQKDhti0a8Fxcsk9 Zh//dGFOwObFLvjorrN5kpknDGFtRd6ndsBItyIhvY5Qj1W3PAZJqxl2U w==; X-CSE-ConnectionGUID: jRBuh3qSS+GMFfmJQEVgnA== X-CSE-MsgGUID: vYKnBqrwT/6ELgR8r5ZdXA== X-IronPort-AV: E=McAfee;i="6800,10657,11690"; a="71185937" X-IronPort-AV: E=Sophos;i="6.21,270,1763452800"; d="scan'208";a="71185937" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2026 03:22:00 -0800 X-CSE-ConnectionGUID: DM+ZiF5ZTyS1qURgMAkgVw== X-CSE-MsgGUID: otFw1S5dQteqm3gH1/y13Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,270,1763452800"; d="scan'208";a="209913299" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by orviesa007.jf.intel.com with ESMTP; 03 Feb 2026 03:21:51 -0800 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id DC38E28196; Tue, 3 Feb 2026 11:21:47 +0000 (GMT) From: Larysa Zaremba To: bpf@vger.kernel.org Cc: Claudiu Manoil , Vladimir Oltean , Wei Fang , Clark Wang , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Tony Nguyen , Przemek Kitszel , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Hao Luo , Jiri Olsa , Simon Horman , Shuah Khan , Alexander Lobakin , Maciej Fijalkowski , "Bastien Curutchet (eBPF Foundation)" , Larysa Zaremba , Tushar Vyavahare , Jason Xing , =?UTF-8?q?Ricardo=20B=2E=20Marli=C3=A8re?= , Eelco Chaudron , Lorenzo Bianconi , Toke Hoiland-Jorgensen , imx@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kselftest@vger.kernel.org, Aleksandr Loktionov Subject: [PATCH bpf 6/6] net: enetc: use truesize as XDP RxQ info frag_size Date: Tue, 3 Feb 2026 11:53:34 +0100 Message-ID: <20260203105417.2302672-7-larysa.zaremba@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260203105417.2302672-1-larysa.zaremba@intel.com> References: <20260203105417.2302672-1-larysa.zaremba@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The only user of frag_size field in XDP RxQ info is bpf_xdp_frags_increase_tail(). It clearly expects truesize instead of DMA write size. Different assumptions in enetc driver configuration lead to negative tailroom. Set frag_size to the same value as frame_sz. Fixes: 2768b2e2f7d2 ("net: enetc: register XDP RX queues with frag_size") Reviewed-by: Aleksandr Loktionov Signed-off-by: Larysa Zaremba --- drivers/net/ethernet/freescale/enetc/enetc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 53b26cece16a..389331571d9e 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -3465,7 +3465,7 @@ static int enetc_int_vector_init(struct enetc_ndev_priv *priv, int i, priv->rx_ring[i] = bdr; err = __xdp_rxq_info_reg(&bdr->xdp.rxq, priv->ndev, i, 0, - ENETC_RXB_DMA_SIZE_XDP); + ENETC_RXB_TRUESIZE); if (err) goto free_vector; -- 2.52.0