From: "Chen, Jing D" <jing.d.chen@intel.com>
To: "Wang, Xiao W" <xiao.w.wang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] net/fm10k: initialize link status in device start
Date: Wed, 21 Jun 2017 02:35:36 +0000 [thread overview]
Message-ID: <4341B239C0EFF9468EE453F9E9F4604D3C66E99C@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <1496228822-6753-1-git-send-email-xiao.w.wang@intel.com>
Hi,
> -----Original Message-----
> From: Wang, Xiao W
> Sent: Wednesday, May 31, 2017 7:07 PM
> To: Chen, Jing D <jing.d.chen@intel.com>
> Cc: dev@dpdk.org; Wang, Xiao W <xiao.w.wang@intel.com>;
> stable@dpdk.org
> Subject: [PATCH] net/fm10k: initialize link status in device start
>
> If port LSC interrupt is configured, application will read link status directly, so
> driver need to prepare that value in advance.
Fm10k host driver can't manage PHY directly and provide a fake link status,
so it always provide a constant value, whatever lsc is set or not.
I think you need to reorganize the message. :)
>
> Fixes: 9ae6068c86da ("fm10k: add dev start/stop")
> Cc: stable@dpdk.org
>
> Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
> ---
> drivers/net/fm10k/fm10k_ethdev.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/net/fm10k/fm10k_ethdev.c
> b/drivers/net/fm10k/fm10k_ethdev.c
> index a742eec..54bf10c 100644
> --- a/drivers/net/fm10k/fm10k_ethdev.c
> +++ b/drivers/net/fm10k/fm10k_ethdev.c
> @@ -84,6 +84,8 @@ static void fm10k_MAC_filter_set(struct rte_eth_dev
> *dev, static void fm10k_set_rx_function(struct rte_eth_dev *dev); static
> void fm10k_set_tx_function(struct rte_eth_dev *dev); static int
> fm10k_check_ftag(struct rte_devargs *devargs);
> +static int fm10k_link_update(struct rte_eth_dev *dev,
> + __rte_unused int wait_to_complete);
>
> struct fm10k_xstats_name_off {
> char name[RTE_ETH_XSTATS_NAME_SIZE];
> @@ -1166,6 +1168,9 @@ static inline int fm10k_glort_valid(struct fm10k_hw
> *hw)
> if (!(dev->data->dev_conf.rxmode.mq_mode &
> ETH_MQ_RX_VMDQ_FLAG))
> fm10k_vlan_filter_set(dev, hw->mac.default_vid, true);
>
> + if (dev->data->dev_conf.intr_conf.lsc != 0)
> + fm10k_link_update(dev, 0);
> +
I'll recommend updating link status anyway when port starts, not considering
lsc set status.
> return 0;
> }
>
> --
> 1.8.3.1
next prev parent reply other threads:[~2017-06-21 2:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-31 11:07 Xiao Wang
2017-06-21 2:35 ` Chen, Jing D [this message]
2017-06-22 2:31 ` Wang, Xiao W
2017-06-22 11:20 ` [dpdk-dev] [PATCH v2] " Xiao Wang
2017-06-22 3:07 ` Chen, Jing D
2017-06-22 11:33 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
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