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 563FE337BBF; Tue, 3 Feb 2026 11:21:56 +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=1770117717; cv=none; b=hX01YcgK6UBJCPXQhiGU0in/qF1M274eFw0GYDBuVAQqsGEMm14C1KjI8xTyOQOnhdbF6vckpNuBqNqHMz1KHolUeMDWFpKZOZOqbgnyXzFeyvlw5SgFHQVtfNyZbm0hdy9e6PzSnmxeO0mRltF97PNHq5SJ/h18D2ZGuvXJccA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770117717; c=relaxed/simple; bh=DoEHOpDkte0lq2Qu38Srj0S/5EmbLjXyklYvoIStbGQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LzCHkeFiHYuFvcGLa/Z1VPeYSzBUwYHLKQgrf5bMN2alc0bg9BAjgvuzZ7Mmn5Qno22BAELvgE7K59LJ0xSTAjbfc8SDwseFTA5tSNnO9u7jKleo9PRDZKl1df/blMC0Umsp+DV0AmNmKxFZcNF0rdNaXtwc1MTG5DXMhKHFBn4= 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=ZRh+78el; 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="ZRh+78el" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770117717; x=1801653717; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=DoEHOpDkte0lq2Qu38Srj0S/5EmbLjXyklYvoIStbGQ=; b=ZRh+78elKePw+G4EkVYjTeNhhGeFw1GcHE+grgsmfTOa9qnjLuESx9Eo rQCvbHlXtF2u43S+kMQ7UEM5AUsew5iynKOJooFpZINRHsNydst5dpx+t VlNKfynzyGIAg6VGriOtXHkrUwbO/lnE0Q+A+ZbFGfvMu/Ii7mtZzyCdI Y91lMauCOuc/14a2pRNmTF1nogm/FxFhEvmRhUpLajB/IW4oF4pcYZnf3 ZMk9xy2+tfZB22S8YhFgBoSpMO8qG4QH1oBCjn2mt0oVqismL0+kHrf4P AEphz5t4sQ6rJgBDrJ3r/IdMYqJNvWXFsTWIoKv+dxlYqo1aJsolOYZP1 w==; X-CSE-ConnectionGUID: /plVCjhzSMa4fXG13zkipQ== X-CSE-MsgGUID: +0Fr5eYvRGKTrAnejBxH9Q== X-IronPort-AV: E=McAfee;i="6800,10657,11690"; a="71185914" X-IronPort-AV: E=Sophos;i="6.21,270,1763452800"; d="scan'208";a="71185914" 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 03:21:56 -0800 X-CSE-ConnectionGUID: 3yTk6wtERLeQgOP2czKlHQ== X-CSE-MsgGUID: rT4JS999TziPmYsvVWtavQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,270,1763452800"; d="scan'208";a="209913269" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by orviesa007.jf.intel.com with ESMTP; 03 Feb 2026 03:21:49 -0800 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id 8CEB928195; Tue, 3 Feb 2026 11:21:45 +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 5/6] idpf: use truesize as XDP RxQ info frag_size Date: Tue, 3 Feb 2026 11:53:33 +0100 Message-ID: <20260203105417.2302672-6-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 idpf driver configuration lead to negative tailroom. Set frag_size to the same value as frame_sz. Fixes: ac8a861f632e ("idpf: prepare structures to support XDP") Reviewed-by: Aleksandr Loktionov Signed-off-by: Larysa Zaremba --- drivers/net/ethernet/intel/idpf/xdp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/idpf/xdp.c b/drivers/net/ethernet/intel/idpf/xdp.c index 958d16f87424..4966376a9785 100644 --- a/drivers/net/ethernet/intel/idpf/xdp.c +++ b/drivers/net/ethernet/intel/idpf/xdp.c @@ -50,7 +50,7 @@ static int __idpf_xdp_rxq_info_init(struct idpf_rx_queue *rxq, void *arg) err = __xdp_rxq_info_reg(&rxq->xdp_rxq, vport->netdev, rxq->idx, rxq->q_vector->napi.napi_id, - rxq->rx_buf_size); + rxq->truesize); if (err) return err; -- 2.52.0