From patchwork Fri May 13 17:34:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Martinez X-Patchwork-Id: 572487 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C9BDDC433EF for ; Fri, 13 May 2022 17:35:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1383091AbiEMRfG (ORCPT ); Fri, 13 May 2022 13:35:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241962AbiEMRfC (ORCPT ); Fri, 13 May 2022 13:35:02 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10C4FE091; Fri, 13 May 2022 10:35:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652463301; x=1683999301; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=B/QqEFQ2mEUkuczZyZDlIEde5EgILxhh1qTOe1s6O0c=; b=Xoo0gpqQXyUcXJitQaqV4gBBtnh0h4hhEqq4BRIzr+qheunHtPXCwtU8 /R0iiBnCGNabsckDaPhQajbEIbd84bb/7EG8pji++3Ne7sJLvGk4f4T/x qNIf/pkIDty8AfsAdU8OgjBtEYrLMin14QjFP+F/Xm8eSXw6RrkA62oyL 9bZcQgACsqvpkCB1SswASQzlmTrxLyHsP7bR2p8mXV8wDbfiHLedTXi+L PVRYM4pS+4QZDe0DWeZeroshdYHOKPruX6MQc6SRKccwiRxwF6AKuS+ED Qv9P2Nx6NvKeaKJz8h8j0pBUoV3+chlOHw9fkLmgCWLgCebxjpOfj3OLT g==; X-IronPort-AV: E=McAfee;i="6400,9594,10346"; a="250895684" X-IronPort-AV: E=Sophos;i="5.91,223,1647327600"; d="scan'208";a="250895684" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2022 10:34:15 -0700 X-IronPort-AV: E=Sophos;i="5.91,223,1647327600"; d="scan'208";a="624950940" Received: from abarkat-mobl.amr.corp.intel.com (HELO rmarti10-nuc3.hsd1.or.comcast.net) ([10.212.160.143]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2022 10:34:15 -0700 From: Ricardo Martinez To: netdev@vger.kernel.org, linux-wireless@vger.kernel.org Cc: kuba@kernel.org, davem@davemloft.net, johannes@sipsolutions.net, ryazanov.s.a@gmail.com, loic.poulain@linaro.org, m.chetan.kumar@intel.com, chandrashekar.devegowda@intel.com, linuxwwan@intel.com, chiranjeevi.rapolu@linux.intel.com, haijun.liu@mediatek.com, andriy.shevchenko@linux.intel.com, dinesh.sharma@intel.com, ilpo.jarvinen@linux.intel.com, moises.veleta@intel.com, sreehari.kancharla@intel.com, Ricardo Martinez Subject: [PATCH net-next 2/2] net: skb: Remove skb_data_area_size() Date: Fri, 13 May 2022 10:34:00 -0700 Message-Id: <20220513173400.3848271-3-ricardo.martinez@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220513173400.3848271-1-ricardo.martinez@linux.intel.com> References: <20220513173400.3848271-1-ricardo.martinez@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org skb_data_area_size() is not needed. As Jakub pointed out [1]: For Rx, drivers can use the size passed during skb allocation or use skb_tailroom(). For Tx, drivers should use skb_headlen(). [1] https://lore.kernel.org/netdev/CAHNKnsTmH-rGgWi3jtyC=ktM1DW2W1VJkYoTMJV2Z_Bt498bsg@mail.gmail.com/ Signed-off-by: Ricardo Martinez Reviewed-by: Andy Shevchenko --- include/linux/skbuff.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 9d82a8b6c8f1..2810a3abe81a 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1764,11 +1764,6 @@ static inline void skb_set_end_offset(struct sk_buff *skb, unsigned int offset) } #endif -static inline unsigned int skb_data_area_size(struct sk_buff *skb) -{ - return skb_end_pointer(skb) - skb->data; -} - struct ubuf_info *msg_zerocopy_realloc(struct sock *sk, size_t size, struct ubuf_info *uarg);