From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 AC49C2F1FC8; Thu, 12 Feb 2026 19:03:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770923015; cv=none; b=qVp74ALHGuOs2dEKI57ytGFgLVYa/u6LAm6x+rTws+56lzAyyJVBb2c7LQdHXI0qXR+c9Diq9jvoTEbrCFhSgfPk0E+Cd5LCMKWl/TLJJhiUWqH3I87iykl2cL2xKS5qlpSASUM8eNcPHWRss7jNxyOagjiMbdH+sdNqd9nmdJs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770923015; c=relaxed/simple; bh=gd9i140sJ+4ZIDXoIPUW8wqypCA6NKxGQK77Y8JQz5E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=emkQU8PoNiRyCqjFiC68xmIhlb22VniAQGYCmg3WNFxN0qE7Cl01TaEQonEIM426vvzDPWWYj+PFAmY/loMGGmu+FRrc/MLkMLPaESuZpIQ9qYjLlZp7/yg4a304mbDH/wLeKbKn+UPhpvEVyxfVzxc0h+Bp3NUCw+w6g+5G73s= 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=DhOWaBvp; arc=none smtp.client-ip=198.175.65.16 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="DhOWaBvp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770923014; x=1802459014; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=gd9i140sJ+4ZIDXoIPUW8wqypCA6NKxGQK77Y8JQz5E=; b=DhOWaBvpm1Je8YneGcxSo5acbQCAyWAJ4xEe66yYyzoPEFKmotvxVsL2 U1mnPADkPr22ZvNuQ7jTake2m+ENGHcLrD5bZhMHQYEW8981Jo8cle9we aBABlhkTPH8t+K+0mibYOi7sPJvuebJB500603REbUuh4QnebFzSpkZpu wT4lm/BCRMky6JL6/uP1Ip4N3QGBkEdFXoWwcF0z1oM+tq5/d2IpZCr6C cdhXgtteNxCOWKk7euW9CGJBjJQd5lRAI3n6/I93BoqKO61TkbdtfcD4z sQ7afnkDhBj+abpXAWkkUjZvskxkFNZ95G2KnXsdSqYkBSanGwGlN6S2B w==; X-CSE-ConnectionGUID: CqHYMChsTEGmmU0Juwclfw== X-CSE-MsgGUID: xkdWSIWeSN67nbSLjXA1sQ== X-IronPort-AV: E=McAfee;i="6800,10657,11699"; a="72288696" X-IronPort-AV: E=Sophos;i="6.21,287,1763452800"; d="scan'208";a="72288696" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Feb 2026 11:03:34 -0800 X-CSE-ConnectionGUID: 8CS1UU8KT327CFdhEKo5Nw== X-CSE-MsgGUID: 6M7ni6mBRJqxCGzgvwrYRw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,287,1763452800"; d="scan'208";a="216886791" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by fmviesa004.fm.intel.com with ESMTP; 12 Feb 2026 11:03:26 -0800 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id 0E34832C92; Thu, 12 Feb 2026 19:03:24 +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 v2 8/9] net: enetc: use truesize as XDP RxQ info frag_size Date: Thu, 12 Feb 2026 19:33:23 +0100 Message-ID: <20260212183328.1883148-10-larysa.zaremba@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260212183328.1883148-2-larysa.zaremba@intel.com> References: <20260212183328.1883148-2-larysa.zaremba@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@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 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