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From: Andrew Rybchenko <arybchenko@solarflare.com>
To: Matan Azrad <matan@mellanox.com>,
	Slava Ovsiienko <viacheslavo@mellanox.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2 04/13] ethdev: change promiscuous callbacks to return status
Date: Sat, 14 Sep 2019 00:05:09 +0300
Message-ID: <16295f51-c9e7-c637-aab4-8aa67c382d63@solarflare.com> (raw)
In-Reply-To: <AM0PR0502MB4019BFF272C9B1184F4B419CD2B60@AM0PR0502MB4019.eurprd05.prod.outlook.com>

On 9/10/19 10:53 AM, Matan Azrad wrote:
> Hi
>
> Review for mlx5 part:
>
> Added not very important comment below.
> You can stay it as is if no new version will be created.
>
> Acked-by: Matan Azrad <matan@mellanox.com>

Thank you, will fix in the next version.

> Thanks.
>
> From: Andrew Rybchenko
>> Enabling/disabling of promiscuous mode is not always successful and
>> it should be taken into account to be able to handle it properly.
>>
>> When correct return status is unclear from driver code, -EAGAIN is used.
>>
>>   drivers/net/mlx4/mlx4.h                   |  4 +-
>>   drivers/net/mlx4/mlx4_ethdev.c            | 24 ++++++++---
>>   drivers/net/mlx5/mlx5.h                   |  4 +-
>>   drivers/net/mlx5/mlx5_rxmode.c            | 40 ++++++++++++++---
>>
>>   static void
>> diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
>> index 7730b530af..21517d70a2 100644
>> --- a/drivers/net/mlx4/mlx4.h
>> +++ b/drivers/net/mlx4/mlx4.h
>> @@ -205,8 +205,8 @@ int mlx4_mtu_get(struct mlx4_priv *priv, uint16_t
>> *mtu);
>>   int mlx4_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
>>   int mlx4_dev_set_link_down(struct rte_eth_dev *dev);
>>   int mlx4_dev_set_link_up(struct rte_eth_dev *dev);
>> -void mlx4_promiscuous_enable(struct rte_eth_dev *dev);
>> -void mlx4_promiscuous_disable(struct rte_eth_dev *dev);
>> +int mlx4_promiscuous_enable(struct rte_eth_dev *dev);
>> +int mlx4_promiscuous_disable(struct rte_eth_dev *dev);
>>   void mlx4_allmulticast_enable(struct rte_eth_dev *dev);
>>   void mlx4_allmulticast_disable(struct rte_eth_dev *dev);
>>   void mlx4_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index);
>> diff --git a/drivers/net/mlx4/mlx4_ethdev.c
>> b/drivers/net/mlx4/mlx4_ethdev.c
>> index 623ebd88cb..c8a73bc1f4 100644
>> --- a/drivers/net/mlx4/mlx4_ethdev.c
>> +++ b/drivers/net/mlx4/mlx4_ethdev.c
>> @@ -341,13 +341,17 @@ enum rxmode_toggle {
>>    *   Pointer to Ethernet device structure.
>>    * @param toggle
>>    *   Toggle to set.
>> + *
>> + * @return
>> + *   0 on success, a negative errno value otherwise and rte_errno is set.
>>    */
>> -static void
>> +static int
>>   mlx4_rxmode_toggle(struct rte_eth_dev *dev, enum rxmode_toggle
>> toggle)
>>   {
>>   	struct mlx4_priv *priv = dev->data->dev_private;
>>   	const char *mode;
>>   	struct rte_flow_error error;
>> +	int ret;
>>
>>   	switch (toggle) {
>>   	case RXMODE_TOGGLE_PROMISC_OFF:
>> @@ -363,12 +367,16 @@ mlx4_rxmode_toggle(struct rte_eth_dev *dev,
>> enum rxmode_toggle toggle)
>>   	default:
>>   		mode = "undefined";
>>   	}
>> -	if (!mlx4_flow_sync(priv, &error))
>> -		return;
>> +
>> +	ret = mlx4_flow_sync(priv, &error);
>> +	if (!ret)
>> +		return 0;
>> +
>>   	ERROR("cannot toggle %s mode (code %d, \"%s\"),"
>>   	      " flow error type %d, cause %p, message: %s",
>>   	      mode, rte_errno, strerror(rte_errno), error.type, error.cause,
>>   	      error.message ? error.message : "(unspecified)");
>> +	return ret;
>>   }
>>
>>   /**
>> @@ -376,8 +384,11 @@ mlx4_rxmode_toggle(struct rte_eth_dev *dev,
>> enum rxmode_toggle toggle)
>>    *
>>    * @param dev
>>    *   Pointer to Ethernet device structure.
>> + *
>> + * @return
>> + *   0 on success, a negative errno value otherwise and rte_errno is set.
>>    */
>> -void
>> +int
>>   mlx4_promiscuous_enable(struct rte_eth_dev *dev)
>>   {
>>   	mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_PROMISC_ON);
>> @@ -388,8 +399,11 @@ mlx4_promiscuous_enable(struct rte_eth_dev
>> *dev)
>>    *
>>    * @param dev
>>    *   Pointer to Ethernet device structure.
>> + *
>> + * @return
>> + *   0 on success, a negative errno value otherwise and rte_errno is set.
>>    */
>> -void
>> +int
>>   mlx4_promiscuous_disable(struct rte_eth_dev *dev)
>>   {
>>   	mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_PROMISC_OFF);
>> diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
>> index 8ddbb7a17c..11d540c3a5 100644
>> --- a/drivers/net/mlx5/mlx5.h
>> +++ b/drivers/net/mlx5/mlx5.h
>> @@ -752,8 +752,8 @@ int mlx5_dev_rss_reta_update(struct rte_eth_dev
>> *dev,
>>
>>   /* mlx5_rxmode.c */
>>
>> -void mlx5_promiscuous_enable(struct rte_eth_dev *dev);
>> -void mlx5_promiscuous_disable(struct rte_eth_dev *dev);
>> +int mlx5_promiscuous_enable(struct rte_eth_dev *dev);
>> +int mlx5_promiscuous_disable(struct rte_eth_dev *dev);
>>   void mlx5_allmulticast_enable(struct rte_eth_dev *dev);
>>   void mlx5_allmulticast_disable(struct rte_eth_dev *dev);
>>
>> diff --git a/drivers/net/mlx5/mlx5_rxmode.c
>> b/drivers/net/mlx5/mlx5_rxmode.c
>> index d5077db0db..c862fc9520 100644
>> --- a/drivers/net/mlx5/mlx5_rxmode.c
>> +++ b/drivers/net/mlx5/mlx5_rxmode.c
>> @@ -28,8 +28,11 @@
>>    *
>>    * @param dev
>>    *   Pointer to Ethernet device structure.
>> + *
>> + * @return
>> + *   0 on success, a negative errno value otherwise and rte_errno is set.
>>    */
>> -void
>> +int
>>   mlx5_promiscuous_enable(struct rte_eth_dev *dev)
>>   {
>>   	struct mlx5_priv *priv = dev->data->dev_private;
>> @@ -41,14 +44,24 @@ mlx5_promiscuous_enable(struct rte_eth_dev *dev)
>>   			"port %u cannot enable promiscuous mode"
>>   			" in flow isolation mode",
>>   			dev->data->port_id);
>> -		return;
>> +		return 0;
>> +	}
>> +	if (priv->config.vf) {
>> +		ret = mlx5_nl_promisc(dev, 1);
>> +		if (ret)
>> +			goto error;
> No need the jump, just return ret here and below.
>
>>   	}
>> -	if (priv->config.vf)
>> -		mlx5_nl_promisc(dev, 1);
>>   	ret = mlx5_traffic_restart(dev);
>>   	if (ret)
>>   		DRV_LOG(ERR, "port %u cannot enable promiscuous mode:
>> %s",
>>   			dev->data->port_id, strerror(rte_errno));
>> +
>> +error:
>> +	/*
>> +	 * rte_eth_dev_promiscuous_enable() rollback
>> +	 * dev->data->promiscuous in the case of failure.
>> +	 */
>> +	return ret;
>>   }
>>
>>   /**
>> @@ -56,20 +69,33 @@ mlx5_promiscuous_enable(struct rte_eth_dev *dev)
>>    *
>>    * @param dev
>>    *   Pointer to Ethernet device structure.
>> + *
>> + * @return
>> + *   0 on success, a negative errno value otherwise and rte_errno is set.
>>    */
>> -void
>> +int
>>   mlx5_promiscuous_disable(struct rte_eth_dev *dev)
>>   {
>>   	struct mlx5_priv *priv = dev->data->dev_private;
>>   	int ret;
>>
>>   	dev->data->promiscuous = 0;
>> -	if (priv->config.vf)
>> -		mlx5_nl_promisc(dev, 0);
>> +	if (priv->config.vf) {
>> +		ret = mlx5_nl_promisc(dev, 0);
>> +		if (ret)
>> +			goto error;
> Same here.
>
>> +	}
>>   	ret = mlx5_traffic_restart(dev);
>>   	if (ret)
>>   		DRV_LOG(ERR, "port %u cannot disable promiscuous mode:
>> %s",
>>   			dev->data->port_id, strerror(rte_errno));
>> +
>> +error:
>> +	/*
>> +	 * rte_eth_dev_promiscuous_disable() rollback
>> +	 * dev->data->promiscuous in the case of failure.
>> +	 */
>> +	return ret;
>>   }
>>
>>   /**


  reply index

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-05 16:10 [dpdk-dev] [PATCH 00/13] ethdev: change promiscuous mode functions " Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 01/13] ethdev: change promiscuous mode controllers to return errors Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 02/13] net/failsafe: check code of promiscuous mode switch Andrew Rybchenko
2019-09-05 16:25   ` Gaëtan Rivet
2019-09-05 16:32     ` Andrew Rybchenko
2019-09-05 16:36   ` Stephen Hemminger
2019-09-05 16:38     ` Andrew Rybchenko
2019-09-06  9:24       ` Gaëtan Rivet
2019-09-06 10:08         ` Andrew Rybchenko
2019-09-05 16:40   ` Stephen Hemminger
2019-09-05 16:49     ` Andrew Rybchenko
2019-09-05 17:13       ` Stephen Hemminger
2019-09-05 16:10 ` [dpdk-dev] [PATCH 03/13] net/bonding: " Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 04/13] ethdev: change promiscuous callbacks to return status Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 05/13] ethdev: do nothing if promiscuous mode is applied again Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 06/13] app/pipeline: check code of promiscuous mode switch Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 07/13] app/testpmd: " Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 08/13] app/eventdev: " Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 09/13] app/pdump: " Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 10/13] app/test: " Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 11/13] kni: " Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 12/13] test/bonding: " Andrew Rybchenko
2019-09-05 16:10 ` [dpdk-dev] [PATCH 13/13] examples: take promiscuous mode switch result into account Andrew Rybchenko
2019-09-09 11:58 ` [dpdk-dev] [PATCH v2 00/13] ethdev: change promiscuous mode functions to return status Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 01/13] ethdev: change promiscuous mode controllers to return errors Andrew Rybchenko
2019-09-13 15:35     ` Ferruh Yigit
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 02/13] net/failsafe: check code of promiscuous mode switch Andrew Rybchenko
2019-09-09 12:48     ` Gaëtan Rivet
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 03/13] net/bonding: " Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 04/13] ethdev: change promiscuous callbacks to return status Andrew Rybchenko
2019-09-10  7:53     ` Matan Azrad
2019-09-13 21:05       ` Andrew Rybchenko [this message]
2019-09-11  8:46     ` Hyong Youb Kim (hyonkim)
2019-09-13 21:06       ` Andrew Rybchenko
2019-09-16  6:48         ` Hyong Youb Kim (hyonkim)
2019-09-13 15:34     ` Ferruh Yigit
2019-09-13 15:54       ` Andrew Rybchenko
2019-09-13 16:33         ` Ferruh Yigit
2019-09-13 15:39     ` Ferruh Yigit
2019-09-13 16:05       ` Andrew Rybchenko
2019-09-13 16:34         ` Ferruh Yigit
2019-09-13 19:57           ` Andrew Rybchenko
2019-09-16 13:22             ` Ferruh Yigit
2019-09-16 15:45               ` Andrew Rybchenko
2019-09-16 15:58                 ` Ferruh Yigit
2019-09-13 16:43     ` Ferruh Yigit
2019-09-13 20:33       ` Andrew Rybchenko
2019-09-13 16:56     ` Ferruh Yigit
2019-09-13 20:38       ` Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 05/13] ethdev: do nothing if promiscuous mode is applied again Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 06/13] app/pipeline: check code of promiscuous mode switch Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 07/13] app/testpmd: " Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 08/13] app/eventdev: " Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 09/13] app/pdump: " Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 10/13] app/test: " Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 11/13] kni: " Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 12/13] test/bonding: " Andrew Rybchenko
2019-09-09 11:58   ` [dpdk-dev] [PATCH v2 13/13] examples: take promiscuous mode switch result into account Andrew Rybchenko
2019-09-13 16:40     ` Ferruh Yigit
2019-09-13 18:30       ` Andrew Rybchenko
2019-09-13 16:37   ` [dpdk-dev] [PATCH v2 00/13] ethdev: change promiscuous mode functions to return status Ferruh Yigit
2019-09-14 11:37 ` [dpdk-dev] [PATCH v3 " Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 01/13] ethdev: change promiscuous mode controllers to return errors Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 02/13] net/failsafe: check code of promiscuous mode switch Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 03/13] net/bonding: " Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 04/13] ethdev: change promiscuous callbacks to return status Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 05/13] ethdev: do nothing if promiscuous mode is applied again Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 06/13] app/pipeline: check code of promiscuous mode switch Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 07/13] app/testpmd: " Andrew Rybchenko
2019-09-16 13:18     ` Iremonger, Bernard
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 08/13] app/eventdev: " Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 09/13] app/pdump: " Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 10/13] app/test: " Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 11/13] kni: " Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 12/13] test/bonding: " Andrew Rybchenko
2019-09-14 11:37   ` [dpdk-dev] [PATCH v3 13/13] examples: take promiscuous mode switch result into account Andrew Rybchenko

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