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* [dpdk-dev] [PATCH v2 0/2] ethdev: minor bugfixes
@ 2020-06-20  6:53 Wei Hu (Xavier)
  2020-06-20  6:53 ` [dpdk-dev] [PATCH v2 1/2] ethdev: fix data room size verification in Rx queue setup Wei Hu (Xavier)
  2020-06-20  6:53 ` [dpdk-dev] [PATCH v2 2/2] ethdev: fix VLAN offloads set if no relative capabilities Wei Hu (Xavier)
  0 siblings, 2 replies; 5+ messages in thread
From: Wei Hu (Xavier) @ 2020-06-20  6:53 UTC (permalink / raw)
  To: ferruh.yigit, arybchenko; +Cc: dev, xavier.huwei

This series are minor bugfixes for rte_ethdev.c.

Wei Hu (Xavier) (2):
  ethdev: fix data room size verification in Rx queue setup
  ethdev: fix VLAN offloads set if no relative capabilities

 drivers/net/dpaa2/dpaa2_ethdev.c           |  5 -----
 drivers/net/enic/enic_ethdev.c             | 12 ------------
 drivers/net/fm10k/fm10k_ethdev.c           | 20 --------------------
 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             | 23 ++++++++++++++++++++++-
 10 files changed, 22 insertions(+), 72 deletions(-)

-- 
2.7.4


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [dpdk-dev] [PATCH v2 1/2] ethdev: fix data room size verification in Rx queue setup
  2020-06-20  6:53 [dpdk-dev] [PATCH v2 0/2] ethdev: minor bugfixes Wei Hu (Xavier)
@ 2020-06-20  6:53 ` Wei Hu (Xavier)
  2020-06-20  6:53 ` [dpdk-dev] [PATCH v2 2/2] ethdev: fix VLAN offloads set if no relative capabilities Wei Hu (Xavier)
  1 sibling, 0 replies; 5+ messages in thread
From: Wei Hu (Xavier) @ 2020-06-20  6:53 UTC (permalink / raw)
  To: ferruh.yigit, arybchenko; +Cc: dev, xavier.huwei

In the rte_eth_rx_queue_setup API function, the local variable named
mbp_buf_size, which is the data room size of the input parameter mp,
is checked to guarantee that each memory chunck used for net device
in the mbuf is bigger than the min_rx_bufsize. But if mbp_buf_size is
less than RTE_PKTMBUF_HEADROOM, the value of the following  statement
will be a large number since the mbp_buf_size is a unsigned value.
    mbp_buf_size - RTE_PKTMBUF_HEADROOM
As a result, it will cause a segment fault in this situation.

This patch fixes it by modify the check condition to guarantee that the
local varibale named mbp_buf_size is bigger than RTE_PKTMBUF_HEADROOM.

Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org

Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Reviewed-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
v1 -> v2: simplify the check condition of mbp_buf_size according to
	  Andrew Rybchenko's comment.
---
 lib/librte_ethdev/rte_ethdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 8e10a6f..b0b0474 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -1822,7 +1822,7 @@ rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
 	}
 	mbp_buf_size = rte_pktmbuf_data_room_size(mp);
 
-	if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
+	if (mbp_buf_size < dev_info.min_rx_bufsize + RTE_PKTMBUF_HEADROOM) {
 		RTE_ETHDEV_LOG(ERR,
 			"%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
 			mp->name, (int)mbp_buf_size,
-- 
2.7.4


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [dpdk-dev] [PATCH v2 2/2] ethdev: fix VLAN offloads set if no relative capabilities
  2020-06-20  6:53 [dpdk-dev] [PATCH v2 0/2] ethdev: minor bugfixes Wei Hu (Xavier)
  2020-06-20  6:53 ` [dpdk-dev] [PATCH v2 1/2] ethdev: fix data room size verification in Rx queue setup Wei Hu (Xavier)
@ 2020-06-20  6:53 ` Wei Hu (Xavier)
  2020-06-21 13:44   ` Andrew Rybchenko
  1 sibling, 1 reply; 5+ messages in thread
From: Wei Hu (Xavier) @ 2020-06-20  6:53 UTC (permalink / raw)
  To: ferruh.yigit, arybchenko; +Cc: dev, xavier.huwei

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.

Fixes: a4996bd89c42 ("ethdev: new Rx/Tx offloads API")
Cc: stable@dpdk.org

Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
---
v1 -> v2: cleanup duplicated checks which are done in som PMDs.
---
 drivers/net/dpaa2/dpaa2_ethdev.c           |  5 -----
 drivers/net/enic/enic_ethdev.c             | 12 ------------
 drivers/net/fm10k/fm10k_ethdev.c           | 20 --------------------
 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, 21 insertions(+), 71 deletions(-)

diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 2f031ec..da5018f 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -169,11 +169,6 @@ dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 			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;
 }
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..47f6f76 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -1577,26 +1577,6 @@ 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)
 {
-	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 = &eth_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);
-- 
2.7.4


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [dpdk-dev] [PATCH v2 2/2] ethdev: fix VLAN offloads set if no relative capabilities
  2020-06-20  6:53 ` [dpdk-dev] [PATCH v2 2/2] ethdev: fix VLAN offloads set if no relative capabilities Wei Hu (Xavier)
@ 2020-06-21 13:44   ` Andrew Rybchenko
  2020-06-22  2:57     ` Wei Hu (Xavier)
  0 siblings, 1 reply; 5+ messages in thread
From: Andrew Rybchenko @ 2020-06-21 13:44 UTC (permalink / raw)
  To: Wei Hu (Xavier), ferruh.yigit; +Cc: Thomas Monjalon, dev

On 6/20/20 9:53 AM, 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.
> 
> Fixes: a4996bd89c42 ("ethdev: new Rx/Tx offloads API")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>

For ethdev part:
Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>

I'd like to highlight that it is behaviour change for some PMDs
which simply ignore (with error/warning log message)
unsupported VLAN offloads, but now it will fail. We should
very carefully consider backporting of these changes.
I'd say we should, since it is rather a bug fix.

IMHO, it is better to send v3 using
--to-cmd ./devtools/get-maintainer.sh
in order to have all driver maintainers in To.

> ---
> v1 -> v2: cleanup duplicated checks which are done in som PMDs.
> ---
>  drivers/net/dpaa2/dpaa2_ethdev.c           |  5 -----
>  drivers/net/enic/enic_ethdev.c             | 12 ------------
>  drivers/net/fm10k/fm10k_ethdev.c           | 20 --------------------
>  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, 21 insertions(+), 71 deletions(-)
> 
> diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
> index 2f031ec..da5018f 100644
> --- a/drivers/net/dpaa2/dpaa2_ethdev.c
> +++ b/drivers/net/dpaa2/dpaa2_ethdev.c
> @@ -169,11 +169,6 @@ dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask)
>  			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;
>  }
> 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..47f6f76 100644
> --- a/drivers/net/fm10k/fm10k_ethdev.c
> +++ b/drivers/net/fm10k/fm10k_ethdev.c
> @@ -1577,26 +1577,6 @@ 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)
>  {
> -	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 = &eth_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);
> 


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [dpdk-dev] [PATCH v2 2/2] ethdev: fix VLAN offloads set if no relative capabilities
  2020-06-21 13:44   ` Andrew Rybchenko
@ 2020-06-22  2:57     ` Wei Hu (Xavier)
  0 siblings, 0 replies; 5+ messages in thread
From: Wei Hu (Xavier) @ 2020-06-22  2:57 UTC (permalink / raw)
  To: Andrew Rybchenko, ferruh.yigit; +Cc: Thomas Monjalon, dev

Hi, Andrew Rybchenko


On 2020/6/21 21:44, Andrew Rybchenko wrote:
> On 6/20/20 9:53 AM, 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.
>>
>> Fixes: a4996bd89c42 ("ethdev: new Rx/Tx offloads API")
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
>> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
> For ethdev part:
> Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>
>
> I'd like to highlight that it is behaviour change for some PMDs
> which simply ignore (with error/warning log message)
> unsupported VLAN offloads, but now it will fail. We should
> very carefully consider backporting of these changes.
> I'd say we should, since it is rather a bug fix.
>
> IMHO, it is better to send v3 using
> --to-cmd ./devtools/get-maintainer.sh
> in order to have all driver maintainers in To.
OK, I will send V3.

Thanks, Xavier
>> ---
>> v1 -> v2: cleanup duplicated checks which are done in som PMDs.
>> ---
>>   drivers/net/dpaa2/dpaa2_ethdev.c           |  5 -----
>>   drivers/net/enic/enic_ethdev.c             | 12 ------------
>>   drivers/net/fm10k/fm10k_ethdev.c           | 20 --------------------
>>   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, 21 insertions(+), 71 deletions(-)
>>
>> diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
>> index 2f031ec..da5018f 100644
>> --- a/drivers/net/dpaa2/dpaa2_ethdev.c
>> +++ b/drivers/net/dpaa2/dpaa2_ethdev.c
>> @@ -169,11 +169,6 @@ dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask)
>>   			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;
>>   }
>> 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..47f6f76 100644
>> --- a/drivers/net/fm10k/fm10k_ethdev.c
>> +++ b/drivers/net/fm10k/fm10k_ethdev.c
>> @@ -1577,26 +1577,6 @@ 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)
>>   {
>> -	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 = &eth_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);
>>
> .
>


^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2020-06-22  2:57 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-06-20  6:53 [dpdk-dev] [PATCH v2 0/2] ethdev: minor bugfixes Wei Hu (Xavier)
2020-06-20  6:53 ` [dpdk-dev] [PATCH v2 1/2] ethdev: fix data room size verification in Rx queue setup Wei Hu (Xavier)
2020-06-20  6:53 ` [dpdk-dev] [PATCH v2 2/2] ethdev: fix VLAN offloads set if no relative capabilities Wei Hu (Xavier)
2020-06-21 13:44   ` Andrew Rybchenko
2020-06-22  2:57     ` Wei Hu (Xavier)

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