Re: [dpdk-dev] [PATCH] net/ixgbe: fix link status

[Ye Xiaolong <xiaolong.ye@intel.com>]

On 11/13, Cui LunyuanX wrote:
>After ports reset, tx laser register will be reset. The link
>status for 82599eb got from link status register was not correct.
>Set tx laser disable after ports reset.
>
>Fixes: 0408f47ba4d6 ("net/ixgbe: fix busy polling while fiber link update")
>Cc: stable@dpdk.org
>
>Signed-off-by: Lunyuan Cui <lunyuanx.cui@intel.com>
>---
> drivers/net/ixgbe/ixgbe_ethdev.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
>diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
>index 8c1caac18..5e516599c 100644
>--- a/drivers/net/ixgbe/ixgbe_ethdev.c
>+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
>@@ -1298,6 +1298,8 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
> 	/* enable support intr */
> 	ixgbe_enable_intr(eth_dev);
> 
>+	ixgbe_dev_set_link_down(eth_dev);
>+
> 	/* initialize filter info */
> 	memset(filter_info, 0,
> 	       sizeof(struct ixgbe_filter_info));
>@@ -4154,11 +4156,6 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev,
> 		link_up = 0;
> 
> 	if (link_up == 0) {
>-		if (ixgbe_get_media_type(hw) == ixgbe_media_type_fiber) {
>-			intr->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
>-			rte_eal_alarm_set(10,
>-				ixgbe_dev_setup_link_alarm_handler, dev);
>-		}

why do we need this change?

Thanks,
Xiaolong

> 		return rte_eth_linkstatus_set(dev, &link);
> 	}
> 
>-- 
>2.17.1
>