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 E5F6CA04FD; Tue, 14 Jan 2020 13:40:55 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 204CC1C138; Tue, 14 Jan 2020 13:40:55 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 7E42F1C136 for ; Tue, 14 Jan 2020 13:40:52 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Jan 2020 04:40:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,432,1571727600"; d="scan'208";a="248442742" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.35]) ([10.237.221.35]) by fmsmga001.fm.intel.com with ESMTP; 14 Jan 2020 04:40:36 -0800 To: Chenxu Di , dev@dpdk.org Cc: Yang Qiming References: <20191203055134.72874-1-chenxux.di@intel.com> <20200113095708.67598-1-chenxux.di@intel.com> <20200113095708.67598-3-chenxux.di@intel.com> From: Ferruh Yigit 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 1/13/2020 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, ^~~~~~~~~~~~~~~~~~~~~~~