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From: "Nélio Laranjeiro" <nelio.laranjeiro@6wind.com>
To: Xueming Li <xuemingl@mellanox.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v1 1/2] net/mlx5: change eth device reference for secondary process
Date: Fri, 25 Aug 2017 08:52:13 +0200	[thread overview]
Message-ID: <20170825065213.GR4544@autoinstall.dev.6wind.com> (raw)
In-Reply-To: <20170824140341.95471-1-xuemingl@mellanox.com>

Hi Xueming,

Please see some comments below,

On Thu, Aug 24, 2017 at 10:03:40PM +0800, Xueming Li wrote:
> rte_eth_dev created by primary process were not available in secondary
> process, it was not possible to use the primary process local memory
> object from a secondary process.
> 
> This patch modify the reference of primary rte_eth_dev object, use
> local rte_eth_dev secondary process instead.
> 
> Cc: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
> Signed-off-by: Xueming Li <xuemingl@mellanox.com>
> ---
>  drivers/net/mlx5/mlx5.h         |  6 ++---
>  drivers/net/mlx5/mlx5_ethdev.c  | 52 ++++++++++++++++++++++-------------------
>  drivers/net/mlx5/mlx5_fdir.c    |  3 +++
>  drivers/net/mlx5/mlx5_rss.c     |  3 +++
>  drivers/net/mlx5/mlx5_rxq.c     |  2 ++
>  drivers/net/mlx5/mlx5_trigger.c |  4 ++--
>  6 files changed, 41 insertions(+), 29 deletions(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
> index f5167e0..fce7dd5 100644
> --- a/drivers/net/mlx5/mlx5_ethdev.c
> +++ b/drivers/net/mlx5/mlx5_ethdev.c
> @@ -1356,17 +1356,17 @@ struct priv *
>   *   0 on success, errno value on failure.
>   */
>  static int
> -priv_set_link(struct priv *priv, int up)
> +mlx5_dev_set_link(struct rte_eth_dev *dev, int up)
>  {
> -	struct rte_eth_dev *dev = priv->dev;
> +	struct priv *priv = dev->data->dev_private;
>  	int err;
>  

This function should lock/unclock priv.

>  	if (up) {
>  		err = priv_set_flags(priv, ~IFF_UP, IFF_UP);
>  		if (err)
>  			return err;
> -		priv_select_tx_function(priv);
> -		priv_select_rx_function(priv);
> +		mlx5_dev_select_tx_function(dev);
> +		mlx5_dev_select_rx_function(dev);

This also induce that those function mlx5_dev_select_rx/tx_function() should
be renamed to:
 priv_dev_select_rx/tx_function(struct *priv, struct rte_eth_dev *dev, ...)

this will avoid the multiple lock/unlocks inside the functions.

> diff --git a/drivers/net/mlx5/mlx5_fdir.c b/drivers/net/mlx5/mlx5_fdir.c
> index 6acc053..0f3b70a 100644
> --- a/drivers/net/mlx5/mlx5_fdir.c
> +++ b/drivers/net/mlx5/mlx5_fdir.c
> @@ -1075,6 +1075,9 @@ struct mlx5_fdir_filter {
>  	int ret = EINVAL;
>  	struct priv *priv = dev->data->dev_private;
>  
> +	if (mlx5_is_secondary())
> +		return -E_RTE_SECONDARY;
> +

Extra empty line also in the following copy/past of this if statement.
>[...]

Thanks,

-- 
Nélio Laranjeiro
6WIND

  parent reply	other threads:[~2017-08-25  6:52 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-24 14:03 Xueming Li
2017-08-24 14:03 ` [dpdk-dev] [PATCH v1 2/2] net/mlx5: add multiple process support Xueming Li
2017-08-25  7:27   ` Nélio Laranjeiro
2017-08-25  6:52 ` Nélio Laranjeiro [this message]
2017-08-25  7:15   ` [dpdk-dev] [PATCH v1 1/2] net/mlx5: change eth device reference for secondary process Xueming(Steven) Li
2017-08-25  7:32     ` Nélio Laranjeiro
2017-09-15 15:59 ` [dpdk-dev] [PATCH v2 1/6] " Xueming Li
2017-09-15 15:59   ` [dpdk-dev] [PATCH v2 2/6] net/mlx5: install a socket to exchange a file descriptor Xueming Li
2017-09-15 15:59   ` [dpdk-dev] [PATCH v2 3/6] net/mlx5: allocate verbs object into shared memory Xueming Li
2017-09-15 15:59   ` [dpdk-dev] [PATCH v2 4/6] net/mlx5: remove verbs fork check Xueming Li
2017-09-15 15:59   ` [dpdk-dev] [PATCH v2 5/6] net/mlx5: add operations for secondary process Xueming Li
2017-09-15 16:00   ` [dpdk-dev] [PATCH v2 6/6] net/mlx5: multi-process document update Xueming Li
2017-09-18 14:36 ` [dpdk-dev] [PATCH v3 0/6] net/mlx5 multi-process support Xueming Li
2017-09-18 14:36 ` [dpdk-dev] [PATCH v3 1/6] net/mlx5: change eth device reference for secondary process Xueming Li
2017-09-18 14:36 ` [dpdk-dev] [PATCH v3 2/6] net/mlx5: install a socket to exchange a file descriptor Xueming Li
2017-09-18 14:36 ` [dpdk-dev] [PATCH v3 3/6] net/mlx5: allocate verbs object into shared memory Xueming Li
2017-09-18 14:36 ` [dpdk-dev] [PATCH v3 4/6] net/mlx5: remove verbs fork check Xueming Li
2017-09-18 14:36 ` [dpdk-dev] [PATCH v3 5/6] net/mlx5: add operations for secondary process Xueming Li
2017-09-18 14:36 ` [dpdk-dev] [PATCH v3 6/6] net/mlx5: multi-process document update Xueming Li
2017-09-18 18:47   ` Mcnamara, John
2017-09-19 14:31 ` [dpdk-dev] [PATCH v4 0/5] net/mlx5 multi-process support Xueming Li
2017-09-19 14:41   ` Nélio Laranjeiro
2017-09-19 14:48   ` Ferruh Yigit
2017-09-19 15:02     ` Xueming(Steven) Li
2017-09-20  8:07   ` Nélio Laranjeiro
2017-10-05  0:17   ` Ferruh Yigit
2017-10-06 15:52     ` Xueming(Steven) Li
2017-09-19 14:31 ` [dpdk-dev] [PATCH v4 1/5] net/mlx5: change eth device reference for secondary process Xueming Li
2017-09-19 14:31 ` [dpdk-dev] [PATCH v4 2/5] net/mlx5: install a socket to exchange a file descriptor Xueming Li
2017-09-19 14:31 ` [dpdk-dev] [PATCH v4 3/5] net/mlx5: allocate verbs object into shared memory Xueming Li
2017-09-19 14:31 ` [dpdk-dev] [PATCH v4 4/5] net/mlx5: add operations for secondary process Xueming Li
2017-09-19 14:31 ` [dpdk-dev] [PATCH v4 5/5] net/mlx5: multi-process document update Xueming Li
2017-09-19 16:16   ` Mcnamara, John
2017-10-06 15:45 ` [dpdk-dev] [PATCH v5 0/5] net/mlx5 multi-process support Xueming Li
2017-10-06 18:21   ` Ferruh Yigit
2017-10-06 15:45 ` [dpdk-dev] [PATCH v5 1/5] net/mlx5: change eth device reference for secondary process Xueming Li
2017-10-06 15:45 ` [dpdk-dev] [PATCH v5 2/5] net/mlx5: install a socket to exchange a file descriptor Xueming Li
2017-10-06 18:21   ` Ferruh Yigit
2017-10-06 15:45 ` [dpdk-dev] [PATCH v5 3/5] net/mlx5: allocate verbs object into shared memory Xueming Li
2017-10-06 15:45 ` [dpdk-dev] [PATCH v5 4/5] net/mlx5: add operations for secondary process Xueming Li
2017-10-06 15:45 ` [dpdk-dev] [PATCH v5 5/5] net/mlx5: multi-process document update Xueming Li

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