From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 9DAB3191F98; Tue, 17 Feb 2026 13:54:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771336500; cv=none; b=OqKeWsuBcb8eK8+hx15pQxhPsLsIGosSH5dZsdpiUU4a7jSV9tZJVLylWQjdMeIvbzDj7OPJT3s0aeDjcrPJmQ1QTt3zuvppSflLxHzpcTgcAEzytTMzSLtVoNJda/xjaDqTssgL+gs87D/pkDCj9NBipz98n/6DmGZGzVhaek0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771336500; c=relaxed/simple; bh=X6taDzmINZdFPhQwcrbXFyu0msho2fTc06cUuvUuvqc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CRQ3bxqfS8mLjPcT8kWM+Kzx0SF3BzBnCdNUoDdDzrw6WKRtiE6xfkwDMPIMEq7yg8hU6MMIYOhXsVmc28xGV43oxF1ZeTP+yDBhFWIkpCLHtUIPlbbOWHA3ORLR2lZgJVfZOE6g447I4fPcDu2WUN8xADR5lv7pVEwNzNr4QFY= 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=CvxopN7F; arc=none smtp.client-ip=192.198.163.14 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="CvxopN7F" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771336500; x=1802872500; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=X6taDzmINZdFPhQwcrbXFyu0msho2fTc06cUuvUuvqc=; b=CvxopN7Frm2tnNAdj0AzmoG/ji6eU7COShut/Dn5N+9R+i5jSswocqs7 lhPJr1BDuE6G9iSPuEg6F6av2yGdn3t3aAEnYIw4ZshCycdBSY+Vwg48g 4raEplLuu5kvVN5AxLj23gUOpXdqt9naXfoecwMKdqYcT3eqNuTlNGn4A M/+XmRAEFLYkeZ3P+6Zxty+A501E0GMhQlLQ6j+MBeGfIqKQbWJJJiJrH 7v+1/oO0vWyP7xK8UOwBjwYcBM2cLc0e9iVcMtbgA9mOpYfrADslfnxKI UV/7xEva0er56DRcXuNkKPZSVjwCubcN+nKlZJWSZVHXx6wY88Kiux1+F w==; X-CSE-ConnectionGUID: zUYTRVEGTxaPcJTb0NNLEQ== X-CSE-MsgGUID: zo6vHkNRRAiYfqq2y5aGHA== X-IronPort-AV: E=McAfee;i="6800,10657,11703"; a="72470527" X-IronPort-AV: E=Sophos;i="6.21,296,1763452800"; d="scan'208";a="72470527" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Feb 2026 05:54:59 -0800 X-CSE-ConnectionGUID: DCUX6GVZQq2kQLfV3Geb1g== X-CSE-MsgGUID: J6pN7idWRPeGzm5iSvwzmg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,296,1763452800"; d="scan'208";a="213904685" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by orviesa008.jf.intel.com with ESMTP; 17 Feb 2026 05:54:52 -0800 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id 74D9828794; Tue, 17 Feb 2026 13:54:48 +0000 (GMT) From: Larysa Zaremba To: bpf@vger.kernel.org Cc: Larysa Zaremba , 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)" , 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 , Dragos Tatulea Subject: [PATCH bpf v3 8/9] net: enetc: use truesize as XDP RxQ info frag_size Date: Tue, 17 Feb 2026 14:24:46 +0100 Message-ID: <20260217132450.1936200-9-larysa.zaremba@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260217132450.1936200-1-larysa.zaremba@intel.com> References: <20260217132450.1936200-1-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 Reviewed-by: Vladimir Oltean 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 e380a4f39855..9fdd448e602f 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -3468,7 +3468,7 @@ 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