[dpdk-dev] [PATCH v1 1/2] net/mlx5: change eth device reference for secondary process
Nélio Laranjeiro
nelio.laranjeiro at 6wind.com
Fri Aug 25 08:52:13 CEST 2017
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 at 6wind.com>
> Signed-off-by: Xueming Li <xuemingl at 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
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