From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id A4FE6A0513; Wed, 15 Jan 2020 15:34:17 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 790B31C0D8; Wed, 15 Jan 2020 15:34:17 +0100 (CET) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 8A0681C0D6 for ; Wed, 15 Jan 2020 15:34:15 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Jan 2020 06:34:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,322,1574150400"; d="scan'208";a="219293731" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.35]) ([10.237.221.35]) by fmsmga007.fm.intel.com with ESMTP; 15 Jan 2020 06:34:13 -0800 From: Ferruh Yigit To: Chenxu Di , Xiaolong Ye Cc: dev@dpdk.org, Yang Qiming References: <20191203055134.72874-1-chenxux.di@intel.com> <20200113095708.67598-1-chenxux.di@intel.com> <20200113095708.67598-3-chenxux.di@intel.com> <0fbf3c4a-c076-de29-1c34-eb1eeea05733@intel.com> Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH v9 2/4] net/ice: cleanup Tx buffers X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 1/14/2020 12:40 PM, Ferruh Yigit wrote: > On 1/13/2020 9:57 AM, Chenxu Di wrote: >> Add support to the ice driver for the API rte_eth_tx_done_cleanup >> to force free consumed buffers on Tx ring. >> >> Signed-off-by: Chenxu Di > > <...> > >> +static int >> +ice_tx_done_cleanup_vec(struct ice_tx_queue *txq __rte_unused, >> + uint32_t free_cnt __rte_unused) >> +{ >> + return -ENOTSUP; >> +} >> + >> +static int >> +ice_tx_done_cleanup_simple(struct ice_tx_queue *txq, >> + uint32_t free_cnt) >> +{ >> + int i, n, cnt; >> + >> + if (free_cnt == 0 || free_cnt > txq->nb_tx_desc) >> + free_cnt = txq->nb_tx_desc; >> + >> + cnt = free_cnt - free_cnt % txq->tx_rs_thresh; >> + >> + for (i = 0; i < cnt; i += n) { >> + if (txq->nb_tx_desc - txq->nb_tx_free < txq->tx_rs_thresh) >> + break; >> + >> + n = ice_tx_free_bufs(txq); >> + >> + if (n == 0) >> + break; >> + } >> + >> + return i; >> +} >> + >> +int >> +ice_tx_done_cleanup(void *txq, uint32_t free_cnt) >> +{ >> + struct ice_tx_queue *q = (struct ice_tx_queue *)txq; >> + struct rte_eth_dev *dev = &rte_eth_devices[q->port_id]; >> + struct ice_adapter *ad = >> + ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); >> + >> +#ifdef RTE_ARCH_X86 >> + if (ad->tx_vec_allowed) >> + return ice_tx_done_cleanup_vec(q, free_cnt); >> +#endif > > Hi Chenxu, > > This is causing build error for non x86 builds [1], wrapping the > 'ice_tx_done_cleanup_vec()' with #ifdef can solve the error, but instead why not > remove the #ifdef completely. > > Would the 'tx_vec_allowed' be set when it is non x86, I think it shouldn't, IF > so #ifdef can go away. > > [1] > .../dpdk/drivers/net/ice/ice_rxtx.c:2709:1: error: ‘ice_tx_done_cleanup_vec’ > defined but not used [-Werror=unused-function] > ice_tx_done_cleanup_vec(struct ice_tx_queue *txq __rte_unused, > ^~~~~~~~~~~~~~~~~~~~~~~ > Hi Chenxu, Xiaolong, I will fix the build error while merging, by wrapping 'ice_tx_done_cleanup_vec' with "#ifdef RTE_ARCH_X86", BUT can you please make an incremental patch to remove the #ifdef? Thanks, ferruh