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dkim=none (message not signed) header.d=none;dpdk.org; dmarc=none action=none header.from=oss.nxp.com; Received: from VI1PR04MB5837.eurprd04.prod.outlook.com (2603:10a6:803:ec::28) by VI1PR04MB4736.eurprd04.prod.outlook.com (2603:10a6:803:5d::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3109.22; Mon, 22 Jun 2020 08:27:37 +0000 Received: from VI1PR04MB5837.eurprd04.prod.outlook.com ([fe80::d4d6:f65d:34cd:aa43]) by VI1PR04MB5837.eurprd04.prod.outlook.com ([fe80::d4d6:f65d:34cd:aa43%3]) with mapi id 15.20.3109.027; Mon, 22 Jun 2020 08:27:37 +0000 To: "Wei Hu (Xavier)" , Hemant Agrawal Cc: dev@dpdk.org References: <1592813340-44094-1-git-send-email-xavier.huwei@huawei.com> <1592813340-44094-3-git-send-email-xavier.huwei@huawei.com> From: "Sachin Saxena (OSS)" Message-ID: Date: Mon, 22 Jun 2020 13:57:30 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 In-Reply-To: <1592813340-44094-3-git-send-email-xavier.huwei@huawei.com> Content-Type: text/plain; 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X-Microsoft-Antispam-Message-Info: gYpxRwTAN/D7cvMf8Q40GlgkDBsFi7iEgF2KtTkbSia+7YgJFMAU9Qvcsxzzv9g9BRfTXBpG2IqMK2Jpg+gU8keXJxDwEybj+eDrEY4QGYe11Hfkw4B95OwrVxoqs363XfQXpS6pffi+wEDrVdjzRaHbdtPXfTYKFahlfSYjgA/Okah+uk9syRDN4DmdL0unZAIeM2tN7eJN/B1f/9KLS2mZ/ypTnRN5Xey7gEpEdjXo/ns5KnLY4Vy+4TxhfRFSWUH0dIOw+LGPNeGvb4c1MIaGHpuNTPQ/Ilkm7b3pGADF6IISVCsVw1mpVYz1yTi1Abm7sbSrgOxyhVzQK+QqfMM+wgSkZfTQRAxG5BjWrM6/1dQuyMeUFBGEtzz2qmAP X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:VI1PR04MB5837.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(346002)(136003)(366004)(39860400002)(396003)(376002)(110136005)(5660300002)(66476007)(66946007)(2906002)(66556008)(31696002)(83380400001)(4326008)(86362001)(6486002)(8676002)(956004)(1006002)(6666004)(186003)(53546011)(52116002)(26005)(16526019)(31686004)(16576012)(316002)(478600001)(8936002)(30864003)(2616005)(43740500002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1fab1ecf-ddbb-4728-6c32-08d816861e96 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jun 2020 08:27:36.9467 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: gAM8mA2tahuudXLSK+jR/iv9N5ZIC1rYkOiO6LOrAWA083BfemKWFzk6K5hwu+Y4XvL/ZHkBTYMzl5pdIRgMLw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB4736 Subject: Re: [dpdk-dev] [PATCH v4 2/2] ethdev: fix VLAN offloads set if no relative capabilities 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" Acked-by: Sachin Saxena On 22-Jun-20 1:39 PM, Wei Hu (Xavier) wrote: > Currently, there is a potential problem that calling the API function > rte_eth_dev_set_vlan_offload to start VLAN hardware offloads which the > driver does not support. If the PMD driver does not support certain VLAN > hardware offloads and does not check for it, the hardware setting will > not change, but the VLAN offloads in dev->data->dev_conf.rxmode.offloads > will be turned on. > > It is supposed to check the hardware capabilities to decide whether the > relative callback needs to be called just like the behavior in the API > function named rte_eth_dev_configure. And it is also needed to cleanup > duplicated checks which are done in some PMDs. Also, note that it is > behaviour change for some PMDs which simply ignore (with error/warning log > message) unsupported VLAN offloads, but now it will fail. > > Fixes: a4996bd89c42 ("ethdev: new Rx/Tx offloads API") > Cc: stable@dpdk.org > > Signed-off-by: Chengchang Tang > Signed-off-by: Wei Hu (Xavier) > Acked-by: Andrew Rybchenko > Acked-by: Hyong Youb Kim > --- > v3 -> v4: Delete "next_mask" label and modify the function that when the > offload is not supported the function fail. > v2 -> v3: Add __rte_unused to avoid unused parameter 'dev' and 'mask' > warning. > v1 -> v2: Cleanup duplicated checks which are done in some PMDs. > --- > drivers/net/dpaa2/dpaa2_ethdev.c | 12 +++--------- > drivers/net/enic/enic_ethdev.c | 12 ------------ > drivers/net/fm10k/fm10k_ethdev.c | 23 ++--------------------- > drivers/net/hinic/hinic_pmd_ethdev.c | 6 ------ > drivers/net/i40e/i40e_ethdev.c | 5 ----- > drivers/net/nfp/nfp_net.c | 5 ----- > drivers/net/octeontx/octeontx_ethdev_ops.c | 10 ---------- > drivers/net/octeontx2/otx2_vlan.c | 5 ----- > drivers/net/qede/qede_ethdev.c | 3 --- > lib/librte_ethdev/rte_ethdev.c | 21 +++++++++++++++++++++ > 10 files changed, 26 insertions(+), 76 deletions(-) > > diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c > index 2f031ec..17a7a49 100644 > --- a/drivers/net/dpaa2/dpaa2_ethdev.c > +++ b/drivers/net/dpaa2/dpaa2_ethdev.c > @@ -147,7 +147,7 @@ dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask) > { > struct dpaa2_dev_priv *priv = dev->data->dev_private; > struct fsl_mc_io *dpni = dev->process_private; > - int ret; > + int ret = 0; > > PMD_INIT_FUNC_TRACE(); > > @@ -155,7 +155,7 @@ dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask) > /* VLAN Filter not avaialble */ > if (!priv->max_vlan_filters) { > DPAA2_PMD_INFO("VLAN filter not available"); > - goto next_mask; > + return -ENOTSUP; > } > > if (dev->data->dev_conf.rxmode.offloads & > @@ -168,14 +168,8 @@ dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask) > if (ret < 0) > DPAA2_PMD_INFO("Unable to set vlan filter = %d", ret); > } > -next_mask: > - if (mask & ETH_VLAN_EXTEND_MASK) { > - if (dev->data->dev_conf.rxmode.offloads & > - DEV_RX_OFFLOAD_VLAN_EXTEND) > - DPAA2_PMD_INFO("VLAN extend offload not supported"); > - } > > - return 0; > + return ret; > } > > static int > diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c > index 32d5397..ef8900d 100644 > --- a/drivers/net/enic/enic_ethdev.c > +++ b/drivers/net/enic/enic_ethdev.c > @@ -374,18 +374,6 @@ static int enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask) > enic->ig_vlan_strip_en = 0; > } > > - if ((mask & ETH_VLAN_FILTER_MASK) && > - (offloads & DEV_RX_OFFLOAD_VLAN_FILTER)) { > - dev_warning(enic, > - "Configuration of VLAN filter is not supported\n"); > - } > - > - if ((mask & ETH_VLAN_EXTEND_MASK) && > - (offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)) { > - dev_warning(enic, > - "Configuration of extended VLAN is not supported\n"); > - } > - > return enic_set_vlan_strip(enic); > } > > diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c > index f537ab2..f5b854e 100644 > --- a/drivers/net/fm10k/fm10k_ethdev.c > +++ b/drivers/net/fm10k/fm10k_ethdev.c > @@ -1575,28 +1575,9 @@ fm10k_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) > } > > static int > -fm10k_vlan_offload_set(struct rte_eth_dev *dev, int mask) > +fm10k_vlan_offload_set(struct rte_eth_dev *dev __rte_unused, > + int mask __rte_unused) > { > - if (mask & ETH_VLAN_STRIP_MASK) { > - if (!(dev->data->dev_conf.rxmode.offloads & > - DEV_RX_OFFLOAD_VLAN_STRIP)) > - PMD_INIT_LOG(ERR, "VLAN stripping is " > - "always on in fm10k"); > - } > - > - if (mask & ETH_VLAN_EXTEND_MASK) { > - if (dev->data->dev_conf.rxmode.offloads & > - DEV_RX_OFFLOAD_VLAN_EXTEND) > - PMD_INIT_LOG(ERR, "VLAN QinQ is not " > - "supported in fm10k"); > - } > - > - if (mask & ETH_VLAN_FILTER_MASK) { > - if (!(dev->data->dev_conf.rxmode.offloads & > - DEV_RX_OFFLOAD_VLAN_FILTER)) > - PMD_INIT_LOG(ERR, "VLAN filter is always on in fm10k"); > - } > - > return 0; > } > > diff --git a/drivers/net/hinic/hinic_pmd_ethdev.c b/drivers/net/hinic/hinic_pmd_ethdev.c > index 0c3e1c0..0009a61 100644 > --- a/drivers/net/hinic/hinic_pmd_ethdev.c > +++ b/drivers/net/hinic/hinic_pmd_ethdev.c > @@ -1701,12 +1701,6 @@ static int hinic_vlan_offload_set(struct rte_eth_dev *dev, int mask) > nic_dev->proc_dev_name, dev->data->port_id); > } > > - if (mask & ETH_VLAN_EXTEND_MASK) { > - PMD_DRV_LOG(ERR, "Don't support vlan qinq, device: %s, port_id: %d", > - nic_dev->proc_dev_name, dev->data->port_id); > - return -ENOTSUP; > - } > - > return 0; > } > > diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c > index 970a31c..9211cf5 100644 > --- a/drivers/net/i40e/i40e_ethdev.c > +++ b/drivers/net/i40e/i40e_ethdev.c > @@ -3877,11 +3877,6 @@ i40e_vlan_offload_set(struct rte_eth_dev *dev, int mask) > struct i40e_vsi *vsi = pf->main_vsi; > struct rte_eth_rxmode *rxmode; > > - if (mask & ETH_QINQ_STRIP_MASK) { > - PMD_DRV_LOG(ERR, "Strip qinq is not supported."); > - return -ENOTSUP; > - } > - > rxmode = &dev->data->dev_conf.rxmode; > if (mask & ETH_VLAN_FILTER_MASK) { > if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER) > diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c > index 2460ee1..b7a91ae 100644 > --- a/drivers/net/nfp/nfp_net.c > +++ b/drivers/net/nfp/nfp_net.c > @@ -2353,11 +2353,6 @@ nfp_net_vlan_offload_set(struct rte_eth_dev *dev, int mask) > hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); > new_ctrl = 0; > > - if ((mask & ETH_VLAN_FILTER_OFFLOAD) || > - (mask & ETH_VLAN_EXTEND_OFFLOAD)) > - PMD_DRV_LOG(INFO, "No support for ETH_VLAN_FILTER_OFFLOAD or" > - " ETH_VLAN_EXTEND_OFFLOAD"); > - > /* Enable vlan strip if it is not configured yet */ > if ((mask & ETH_VLAN_STRIP_OFFLOAD) && > !(hw->ctrl & NFP_NET_CFG_CTRL_RXVLAN)) > diff --git a/drivers/net/octeontx/octeontx_ethdev_ops.c b/drivers/net/octeontx/octeontx_ethdev_ops.c > index ff627a6..dbe13ce 100644 > --- a/drivers/net/octeontx/octeontx_ethdev_ops.c > +++ b/drivers/net/octeontx/octeontx_ethdev_ops.c > @@ -43,16 +43,6 @@ octeontx_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask) > > rxmode = &dev->data->dev_conf.rxmode; > > - if (mask & ETH_VLAN_EXTEND_MASK) { > - octeontx_log_err("Extend offload not supported"); > - return -ENOTSUP; > - } > - > - if (mask & ETH_VLAN_STRIP_MASK) { > - octeontx_log_err("VLAN strip offload not supported"); > - return -ENOTSUP; > - } > - > if (mask & ETH_VLAN_FILTER_MASK) { > if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER) { > rc = octeontx_vlan_hw_filter(nic, true); > diff --git a/drivers/net/octeontx2/otx2_vlan.c b/drivers/net/octeontx2/otx2_vlan.c > index 322a565..7357b06 100644 > --- a/drivers/net/octeontx2/otx2_vlan.c > +++ b/drivers/net/octeontx2/otx2_vlan.c > @@ -717,11 +717,6 @@ otx2_nix_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask) > > rxmode = ð_dev->data->dev_conf.rxmode; > > - if (mask & ETH_VLAN_EXTEND_MASK) { > - otx2_err("Extend offload not supported"); > - return -ENOTSUP; > - } > - > if (mask & ETH_VLAN_STRIP_MASK) { > if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP) { > offloads |= DEV_RX_OFFLOAD_VLAN_STRIP; > diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c > index c4f8f12..04d17c7 100644 > --- a/drivers/net/qede/qede_ethdev.c > +++ b/drivers/net/qede/qede_ethdev.c > @@ -1036,9 +1036,6 @@ static int qede_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask) > } > } > > - if (mask & ETH_VLAN_EXTEND_MASK) > - DP_ERR(edev, "Extend VLAN not supported\n"); > - > qdev->vlan_offload_mask = mask; > > DP_INFO(edev, "VLAN offload mask %d\n", mask); > diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c > index b0b0474..bf79749 100644 > --- a/lib/librte_ethdev/rte_ethdev.c > +++ b/lib/librte_ethdev/rte_ethdev.c > @@ -3260,12 +3260,14 @@ rte_eth_dev_set_vlan_ether_type(uint16_t port_id, > int > rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask) > { > + struct rte_eth_dev_info dev_info; > struct rte_eth_dev *dev; > int ret = 0; > int mask = 0; > int cur, org = 0; > uint64_t orig_offloads; > uint64_t dev_offloads; > + uint64_t new_offloads; > > RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); > dev = &rte_eth_devices[port_id]; > @@ -3319,6 +3321,25 @@ rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask) > if (mask == 0) > return ret; > > + ret = rte_eth_dev_info_get(port_id, &dev_info); > + if (ret != 0) > + return ret; > + > + /* > + * New added Rx VLAN offloading which are not enabled in > + * rte_eth_dev_configure() must be within its device capabilities > + */ > + if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) { > + new_offloads = dev_offloads & ~orig_offloads; > + RTE_ETHDEV_LOG(ERR, > + "Ethdev port_id=%u requested new added VLAN offloads " > + "0x%" PRIx64 " must be within Rx offloads capabilities " > + "0x%" PRIx64 " in %s()\n", > + port_id, new_offloads, dev_info.rx_offload_capa, > + __func__); > + return -EINVAL; > + } > + > RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP); > dev->data->dev_conf.rxmode.offloads = dev_offloads; > ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);