Acked-by: Viacheslav Ovsiienko <viachesl...@mellanox.com>
> -----Original Message-----
> From: dev <dev-boun...@dpdk.org> On Behalf Of Jeff Guo
> Sent: Tuesday, July 7, 2020 10:36
> To: Wei Hu (Xavier) <xavier.hu...@huawei.com>; dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v6 2/2] ethdev: fix VLAN offloads set if no
> relative capabilities
>
>
> On 7/6/2020 3:06 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")
> > Fixes: 0ebce6129bc6 ("net/dpaa2: support new ethdev offload APIs")
> > Fixes: f9416bbafd98 ("net/enic: remove VLAN filter handler")
> > Fixes: 4f7d9e383e5c ("fm10k: update vlan offload features")
> > Fixes: fdba3bf15c7b ("net/hinic: add VLAN filter and offload")
> > Fixes: b96fb2f0d22b ("net/i40e: handle QinQ strip")
> > Fixes: d4a27a3b092a ("nfp: add basic features")
> > Fixes: 56139e85abec ("net/octeontx: support VLAN filter offload")
> > Fixes: ba1b3b081edf ("net/octeontx2: support VLAN offloads")
> > Fixes: d87246a43759 ("net/qede: enable and disable VLAN filtering")
> > Cc: sta...@dpdk.org
> >
> > Signed-off-by: Chengchang Tang <tangchengch...@huawei.com>
> > Signed-off-by: Wei Hu (Xavier) <xavier.hu...@huawei.com>
> > Acked-by: Andrew Rybchenko <arybche...@solarflare.com>
> > Acked-by: Hyong Youb Kim <hyon...@cisco.com>
> > Acked-by: Sachin Saxena <sachin.sax...@oss.nxp.com>
> > Acked-by: Xiaoyun wang <cloud.wangxiao...@huawei.com>
> > Acked-by: Harman Kalra <hka...@marvell.com>
>
>
> Acked-by: Jeff Guo <jia....@intel.com>
>
>
> > ---
> > v5 -> v6: add the related history patch into the Fixes commit log.
> > v4 -> v5: no change.
> > 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 a1f1919..489d744 100644
> > --- a/drivers/net/dpaa2/dpaa2_ethdev.c
> > +++ b/drivers/net/dpaa2/dpaa2_ethdev.c
> > @@ -145,7 +145,7 @@ 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();
> >
> > @@ -153,7 +153,7 @@ 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 & @@ -166,14
> +166,8 @@
> > 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 6a3580f..30a599d 100644
> > --- a/drivers/net/enic/enic_ethdev.c
> > +++ b/drivers/net/enic/enic_ethdev.c
> > @@ -367,18 +367,6 @@ 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 cb0dd3b..b574693 100644
> > --- a/drivers/net/fm10k/fm10k_ethdev.c
> > +++ b/drivers/net/fm10k/fm10k_ethdev.c
> > @@ -1562,28 +1562,9 @@ 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 0d3d62b..67e6afc 100644
> > --- a/drivers/net/hinic/hinic_pmd_ethdev.c
> > +++ b/drivers/net/hinic/hinic_pmd_ethdev.c
> > @@ -1709,12 +1709,6 @@ 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 472ce2a..c89290d 100644
> > --- a/drivers/net/i40e/i40e_ethdev.c
> > +++ b/drivers/net/i40e/i40e_ethdev.c
> > @@ -3865,11 +3865,6 @@ 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
> > 88e3f01..474719b 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 7f5a34b..f2ed03b 100644
> > --- a/drivers/net/qede/qede_ethdev.c
> > +++ b/drivers/net/qede/qede_ethdev.c
> > @@ -1031,9 +1031,6 @@ 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 50c3f18..078bb25 100644
> > --- a/lib/librte_ethdev/rte_ethdev.c
> > +++ b/lib/librte_ethdev/rte_ethdev.c
> > @@ -3258,12 +3258,14 @@ 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];
> > @@ -3317,6 +3319,25 @@ 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);
