From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [PATCH v5 30/31] net/ice: support advance RX/TX
Date: Mon, 17 Dec 2018 23:02:40 +0000
Message-ID: <0e897238-d27c-ac1a-1ba8-1db6490affef@intel.com>
References: <1542956179-80951-1-git-send-email-wenzhuo.lu@intel.com>
 <1545032259-77179-1-git-send-email-wenzhuo.lu@intel.com>
 <1545032259-77179-31-git-send-email-wenzhuo.lu@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Cc: Qiming Yang <qiming.yang@intel.com>, Xiaoyun Li <xiaoyun.li@intel.com>,
 Jingjing Wu <jingjing.wu@intel.com>
To: Wenzhuo Lu <wenzhuo.lu@intel.com>, dev@dpdk.org
Return-path: <dev-bounces@dpdk.org>
Received: from mga04.intel.com (mga04.intel.com [192.55.52.120])
 by dpdk.org (Postfix) with ESMTP id 801F61B9BD
 for <dev@dpdk.org>; Tue, 18 Dec 2018 00:02:44 +0100 (CET)
In-Reply-To: <1545032259-77179-31-git-send-email-wenzhuo.lu@intel.com>
Content-Language: en-US
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On 12/17/2018 7:37 AM, Wenzhuo Lu wrote:
> Add RX functions, scatter and bulk.
> Add TX function, simple.
> 
> Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
> Signed-off-by: Qiming Yang <qiming.yang@intel.com>
> Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
> Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>

<...>

> +ice_tx_free_bufs(struct ice_tx_queue *txq)
> +{
> +	struct ice_tx_entry *txep;
> +	uint16_t i;
> +
> +	if ((txq->tx_ring[txq->tx_next_dd].cmd_type_offset_bsz &
> +	     rte_cpu_to_le_64(ICE_TXD_QW1_DTYPE_M)) !=
> +	    rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DESC_DONE))
> +		return 0;
> +
> +	txep = &txq->sw_ring[txq->tx_next_dd - (txq->tx_rs_thresh - 1)];
> +
> +	for (i = 0; i < txq->tx_rs_thresh; i++)
> +		rte_prefetch0((txep + i)->mbuf);
> +
> +	if (txq->offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE) {

You can announce "Fast mbuf free" feature in .ini file if this is supported.