From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7363DA0032; Fri, 14 Jan 2022 09:50:59 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id DF90A4276E; Fri, 14 Jan 2022 09:50:58 +0100 (CET) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by mails.dpdk.org (Postfix) with ESMTP id B33EB40DDD; Fri, 14 Jan 2022 09:50:56 +0100 (CET) Received: from dggeme756-chm.china.huawei.com (unknown [172.30.72.56]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4JZw1P655Xz8wNG; Fri, 14 Jan 2022 16:48:09 +0800 (CST) Received: from [10.67.103.128] (10.67.103.128) by dggeme756-chm.china.huawei.com (10.3.19.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.20; Fri, 14 Jan 2022 16:50:54 +0800 Subject: Re: [PATCH] net/bonding: fix RSS not work for bonding in DPDK21.11 To: =?UTF-8?B?5L+e5paH5L+KX3lld3U=?= , tangchengchang , ferruh.yigit CC: dev , stable References: <2afa61de7b9e301-0000a.Richmail.00009021307638582857@cmss.chinamobile.com> <2b7a133a-3111-e814-d92c-d2252f9bd5e3@huawei.com> <2afc61e1200b486-00003.Richmail.00008071009648883857@cmss.chinamobile.com> From: "Min Hu (Connor)" Message-ID: <75052e5e-c6c4-0f6f-330d-48edb645131a@huawei.com> Date: Fri, 14 Jan 2022 16:50:54 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <2afc61e1200b486-00003.Richmail.00008071009648883857@cmss.chinamobile.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.67.103.128] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggeme756-chm.china.huawei.com (10.3.19.102) X-CFilter-Loop: Reflected X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Hi, 在 2022/1/14 15:11, 俞文俊_yewu 写道: > Sorry，mq_mode is RTE_ETH_MQ_RX_RSS in rte_eth_conf. > > > call chain: > > rte_eth_bond_create()->rte_eth_dev_configure()->rte_eth_bond_slave_add()->rte_eth_dev_start() > > > Consider this call chain, internals->rss_key_len is 0 in > bond_ethdev_configure() when we call rte_eth_dev_configure(). > > If internals->rss_key_len is 0, internals->rss_key can not be set properly. Have you done any test? Is it true that it doesn't work for RSS? which NIC you choose ? As I know, internals->rss_key_len will inherit dev info from slave, just see "eth_bond_slave_inherit_dev_info_rx_first". If slave port report hash_key_size, internals->rss_key_len could not be zero. > > Because memcpy in bond_ethdev_configure() use internals->rss_key_len(it > is 0) as copy size, and internals->rss_key will not be set in other > functions. > > > --- > > e.g.: > > bond_ethdev_configure(struct rte_eth_dev *dev) > > { > > const char *name = dev->device->name; > > struct bond_dev_private *internals = dev->data->dev_private; > > ... > > > /* > > * If RSS is enabled, fill table with default values and > > * set key to the value specified in port RSS configuration. > > * Fall back to default RSS key if the key is not specified > > */ > > if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS) { > > struct rte_eth_rss_conf *rss_conf = > > &dev->data->dev_conf.rx_adv_conf.rss_conf; > > > if (rss_conf->rss_key != NULL) { > > if (internals->rss_key_len > rss_conf->rss_key_len) { > > RTE_BOND_LOG(ERR, "Invalid rss key length(%u)", > > rss_conf->rss_key_len); > > return -EINVAL; > > } > > > memcpy(internals->rss_key, rss_conf->rss_key, > >        internals->rss_key_len); > > } else { > > if (internals->rss_key_len > sizeof(default_rss_key)) { > > RTE_BOND_LOG(ERR, > >        "There is no suitable default hash key"); > > return -EINVAL; > > } > > > memcpy(internals->rss_key, default_rss_key, > >        internals->rss_key_len); > > } > > > > ----Origin---- > From："Min Hu (Connor)"  > To："yuwenjun_yewu" ,tangchengchang  ,"ferruh.yigit"  > Cc: dev  ,stable   > Date：2022-01-14 08:59:21 > Subject：Re: [PATCH] net/bonding: fix RSS not work for bonding in DPDK21.11 > > Hi, > > 在 2022/1/12 15:29, 俞文俊_yewu 写道: > >  From 85c4ffffe32996fc262dd6f69d0ce272ae8e8350 Mon Sep 17 00:00:00 2001 > > > > From: Yu Wenjun  > > > > Date: Wed, 12 Jan 2022 15:01:10 +0800 > > > > Subject: [PATCH] net/bonding: fix RSS not work for bonding > > > > > > RSS don't work when upgrade to DPDK21.11. > Cannot get your meaning, Why RSS don't work? > As mq_mode is not RTE_ETH_MQ_RX_RSS in rte_eth_conf, RSS is off. > Please make it clearer, thanks. > > > > > > > > e.g.: > > > > examples/bond/main.c: > > > > conf: > > > > static struct rte_eth_conf port_conf = { > > > > .rxmode = { > > > > .mq_mode = RTE_ETH_MQ_RX_NONE, > > > > .split_hdr_size = 0, > > > > }, > > > > .rx_adv_conf = { > > > > .rss_conf = { > > > > .rss_key = NULL, > > > > .rss_hf = RTE_ETH_RSS_IP, > > > > }, > > > > }, > > > > .txmode = { > > > > .mq_mode = RTE_ETH_MQ_TX_NONE, > > > > }, > > > > }; > > > > > > call chain: > > > > rte_eth_bond_create()->rte_eth_dev_configure()->rte_eth_bond_slave_add()->rte_eth_dev_start() > > > > > > Signed-off-by: Yu Wenjun  > > > > --- > > > >   drivers/net/bonding/rte_eth_bond_pmd.c | 5 +++++ > > > >   1 file changed, 5 insertions(+) > > > > > > diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c > > b/drivers/net/bonding/rte_eth_bond_pmd.c > > > > index 84f4900ee5..31bcee15cf 100644 > > > > --- a/drivers/net/bonding/rte_eth_bond_pmd.c > > > > +++ b/drivers/net/bonding/rte_eth_bond_pmd.c > > > > @@ -3504,6 +3504,11 @@ bond_ethdev_configure(struct rte_eth_dev *dev) > > > > if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS) { > > > > struct rte_eth_rss_conf *rss_conf = > > > > &dev->data->dev_conf.rx_adv_conf.rss_conf; > > > > + > > > > +if (internals->rss_key_len == 0) { > > > > +internals->rss_key_len = sizeof(default_rss_key); > > > > +} > > > > + > > > > if (rss_conf->rss_key != NULL) { > > > > if (internals->rss_key_len > rss_conf->rss_key_len) { > > > > RTE_BOND_LOG(ERR, "Invalid rss key length(%u)", > > > > -- > > > > 2.32.0.windows.1 > > > > > > Subject：Re: [PATCH] net/bonding: fix RSS not work for bonding in DPDK21.11 > > Hi, > > 在 2022/1/12 15:29, 俞文俊_yewu 写道: > >  From 85c4ffffe32996fc262dd6f69d0ce272ae8e8350 Mon Sep 17 00:00:00 2001 > > > > From: Yu Wenjun  > > > > Date: Wed, 12 Jan 2022 15:01:10 +0800 > > > > Subject: [PATCH] net/bonding: fix RSS not work for bonding > > > > > > RSS don't work when upgrade to DPDK21.11. > Cannot get your meaning, Why RSS don't work? > As mq_mode is not RTE_ETH_MQ_RX_RSS in rte_eth_conf, RSS is off. > Please make it clearer, thanks. > > > > > > > > e.g.: > > > > examples/bond/main.c: > > > > conf: > > > > static struct rte_eth_conf port_conf = { > > > > .rxmode = { > > > > .mq_mode = RTE_ETH_MQ_RX_NONE, > > > > .split_hdr_size = 0, > > > > }, > > > > .rx_adv_conf = { > > > > .rss_conf = { > > > > .rss_key = NULL, > > > > .rss_hf = RTE_ETH_RSS_IP, > > > > }, > > > > }, > > > > .txmode = { > > > > .mq_mode = RTE_ETH_MQ_TX_NONE, > > > > }, > > > > }; > > > > > > call chain: > > > > rte_eth_bond_create()->rte_eth_dev_configure()->rte_eth_bond_slave_add()->rte_eth_dev_start() > > > > > > Signed-off-by: Yu Wenjun  > > > > --- > > > >   drivers/net/bonding/rte_eth_bond_pmd.c | 5 +++++ > > > >   1 file changed, 5 insertions(+) > > > > > > diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c > > b/drivers/net/bonding/rte_eth_bond_pmd.c > > > > index 84f4900ee5..31bcee15cf 100644 > > > > --- a/drivers/net/bonding/rte_eth_bond_pmd.c > > > > +++ b/drivers/net/bonding/rte_eth_bond_pmd.c > > > > @@ -3504,6 +3504,11 @@ bond_ethdev_configure(struct rte_eth_dev *dev) > > > > if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS) { > > > > struct rte_eth_rss_conf *rss_conf = > > > > &dev->data->dev_conf.rx_adv_conf.rss_conf; > > > > + > > > > +if (internals->rss_key_len == 0) { > > > > +internals->rss_key_len = sizeof(default_rss_key); > > > > +} > > > > + > > > > if (rss_conf->rss_key != NULL) { > > > > if (internals->rss_key_len > rss_conf->rss_key_len) { > > > > RTE_BOND_LOG(ERR, "Invalid rss key length(%u)", > > > > -- > > > > 2.32.0.windows.1 > > > > >