From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
	by inbox.dpdk.org (Postfix) with ESMTP id 6A7C0A0551;
	Wed,  7 Sep 2022 03:53:23 +0200 (CEST)
Received: from [217.70.189.124] (localhost [127.0.0.1])
	by mails.dpdk.org (Postfix) with ESMTP id 5C37940F19;
	Wed,  7 Sep 2022 03:53:23 +0200 (CEST)
Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187])
 by mails.dpdk.org (Postfix) with ESMTP id 454C640042;
 Wed,  7 Sep 2022 03:53:21 +0200 (CEST)
Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.54])
 by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MMlZs63CvznVq3;
 Wed,  7 Sep 2022 09:50:45 +0800 (CST)
Received: from kwepemm600004.china.huawei.com (7.193.23.242) by
 dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server
 (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id
 15.1.2375.24; Wed, 7 Sep 2022 09:53:19 +0800
Received: from [10.67.103.231] (10.67.103.231) by
 kwepemm600004.china.huawei.com (7.193.23.242) with Microsoft SMTP Server
 (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id
 15.1.2375.24; Wed, 7 Sep 2022 09:53:18 +0800
Message-ID: <6f5b04f7-d6a0-a3b8-2e45-ec3e1744a3d2@huawei.com>
Date: Wed, 7 Sep 2022 09:53:18 +0800
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101
 Thunderbird/91.2.0
Subject: Re: [PATCH v3] app/testpmd: fix incorrect queues state of secondary
 process
To: Peng Zhang <peng1x.zhang@intel.com>, <dev@dpdk.org>
CC: <andrew.rybchenko@oktetlabs.ru>, <aman.deep.singh@intel.com>,
 <yuying.zhang@intel.com>, <stable@dpdk.org>
References: <20220819100940.657437-1-peng1x.zhang@intel.com>
 <20220906145310.8849-1-peng1x.zhang@intel.com>
From: "lihuisong (C)" <lihuisong@huawei.com>
In-Reply-To: <20220906145310.8849-1-peng1x.zhang@intel.com>
Content-Type: text/plain; charset="UTF-8"; format=flowed
Content-Transfer-Encoding: 8bit
X-Originating-IP: [10.67.103.231]
X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To
 kwepemm600004.china.huawei.com (7.193.23.242)
X-CFilter-Loop: Reflected
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
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


在 2022/9/6 22:53, Peng Zhang 写道:
> Primary process could set up queues state correctly when starting port,
> while secondary process not. Under multi-process scenario, "stream_init"
> function would get wrong queues state for secondary process.
>
> This commit is to get queues state from ethdev which is located in
> shared memory.
>
> Fixes: 3c4426db54fc ("app/testpmd: do not poll stopped queues")
> Cc: stable@dpdk.org
>
> Signed-off-by: Peng Zhang <peng1x.zhang@intel.com>
>
> ---
>   v3:
>   - Modify the parameter of rx or tx queue state array
>   v2:
>   - Change the way of getting secondary process queues states
> ---
>   app/test-pmd/testpmd.c | 22 +++++++++++++++++++---
>   1 file changed, 19 insertions(+), 3 deletions(-)
>
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> index addcbcac85..977ec4fa28 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -75,6 +75,8 @@
>   
>   #include "testpmd.h"
>   
> +#include <ethdev_driver.h>
This header file is internal, app shouldn't use it.
> +
>   #ifndef MAP_HUGETLB
>   /* FreeBSD may not have MAP_HUGETLB (in fact, it probably doesn't) */
>   #define HUGE_FLAG (0x40000)
> @@ -2402,10 +2404,24 @@ start_packet_forwarding(int with_tx_first)
>   	if (!pkt_fwd_shared_rxq_check())
>   		return;
>   
> -	if (stream_init != NULL)
> -		for (i = 0; i < cur_fwd_config.nb_fwd_streams; i++)
> -			stream_init(fwd_streams[i]);
> +	if (stream_init != NULL) {
> +		for (i = 0; i < cur_fwd_config.nb_fwd_streams; i++) {
> +			if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
> +				struct fwd_stream *fs = fwd_streams[i];
> +				struct rte_eth_dev_data *dev_rx_data, *dev_tx_data;
> +
> +				dev_rx_data = (&rte_eth_devices[fs->rx_port])->data;
> +				dev_tx_data = (&rte_eth_devices[fs->tx_port])->data;
> +
> +				uint8_t rx_state = dev_rx_data->rx_queue_state[fs->rx_queue];
> +				ports[fs->rx_port].rxq[fs->rx_queue].state = rx_state;
> +				uint8_t tx_state = dev_tx_data->tx_queue_state[fs->tx_queue];
> +				ports[fs->tx_port].txq[fs->tx_queue].state = tx_state;
> +			}
>   
> +			stream_init(fwd_streams[i]);
> +		}
> +	}
>   
Suggest that an API in ethdev layer can be encapsulated to obtain the 
device Rx/Tx queue state.
Both primary and secondary process get or set queue state by this API.
>   	port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin;
>   	if (port_fwd_begin != NULL) {
>   		for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {