From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id A57861B3A0; Tue, 8 Jan 2019 11:27:03 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Jan 2019 02:27:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,453,1539673200"; d="scan'208";a="308532206" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.22]) ([10.237.221.22]) by fmsmga006.fm.intel.com with ESMTP; 08 Jan 2019 02:27:01 -0800 To: Chas Williams <3chas3@gmail.com>, Hari Kumar Vemula , dev@dpdk.org Cc: reshma.pattan@intel.com, declan.doherty@intel.com, jananeex.m.parthasarathy@intel.com, stable@dpdk.org References: <1546866064-11929-1-git-send-email-hari.kumarx.vemula@intel.com> <69a66875-ec6c-f284-a5bc-78c10e987f68@gmail.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <69a66875-ec6c-f284-a5bc-78c10e987f68@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH] net/bonding: fix create bonded device test failure 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: , X-List-Received-Date: Tue, 08 Jan 2019 10:27:04 -0000 On 1/7/2019 6:44 PM, Chas Williams wrote: > > > On 1/7/19 8:01 AM, Hari Kumar Vemula wrote: >> Create bonded device test is failing due to improper initialisation in >> bonded device configuration. which leads to crash while setting up queues. >> >> The value of nb_rx_desc is checked if it is not in range of rx_desc_lim of >> bonded device which fails. >> This is due to "rx_desc_lim" is set to 0 as default value of bonded device >> during bond_alloc(). >> Hence nb_rx_desc (1024) is > 0 and test fails. >> >> Fix is to set the default values of rx_desc_lim of bonded device to >> appropriate value. > > The default values for the bond device aren't known until the first > slave is added. Can you explain your setup? What PMD are you > using for testing? As far as I understand, 'rte_eth_rx_queue_setup()' is failing with bond eth device since 'nb_rx_desc' should be less than 'dev_info.rx_desc_lim.nb_max' but bonding sets 0 to 'nb_max'. But not sure how to handle this from bonding point of view, this patch gives most permissive values, but should bonding get these values from its slaves? > >> >> Fixes: 2efb58cbab ("bond: new link bonding library") >> Cc: stable@dpdk.org >> >> Signed-off-by: Hari Kumar Vemula >> --- >> drivers/net/bonding/rte_eth_bond_pmd.c | 11 +++++++---- >> 1 file changed, 7 insertions(+), 4 deletions(-) >> >> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c >> index 44deaf119..e0888e960 100644 >> --- a/drivers/net/bonding/rte_eth_bond_pmd.c >> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c >> @@ -2225,6 +2225,11 @@ static void >> bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) >> { >> struct bond_dev_private *internals = dev->data->dev_private; >> + struct rte_eth_desc_lim bond_lim = { >> + .nb_max = UINT16_MAX, >> + .nb_min = 0, >> + .nb_align = 1, >> + }; >> >> uint16_t max_nb_rx_queues = UINT16_MAX; >> uint16_t max_nb_tx_queues = UINT16_MAX; >> @@ -2263,10 +2268,8 @@ bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) >> memcpy(&dev_info->default_txconf, &internals->default_txconf, >> sizeof(dev_info->default_txconf)); >> >> - memcpy(&dev_info->rx_desc_lim, &internals->rx_desc_lim, >> - sizeof(dev_info->rx_desc_lim)); >> - memcpy(&dev_info->tx_desc_lim, &internals->tx_desc_lim, >> - sizeof(dev_info->tx_desc_lim)); >> + dev_info->rx_desc_lim = bond_lim; >> + dev_info->tx_desc_lim = bond_lim; >> >> /** >> * If dedicated hw queues enabled for link bonding device in LACP mode >>