On 10/29, Xiao Zhang wrote:
>The link status for 82599eb got from link status register was not correct,
>check the enable/disable flag of tx laser when getting the link status,
>set the link status down if tx laser disabled since the tx laser flag
>could be set correctly when up/down the link status.
>
>Fixes: dc66e5fd01b9 ("net/ixgbe: improve link state check on VF")
>Cc: sta...@dpdk.org
>
>Signed-off-by: Xiao Zhang <xiao.zh...@intel.com>
>Reviewed-by: Wei Zhao <wei.zh...@intel.com>
>---
>v2
>Rebase the patch to latest master code.
>---
> drivers/net/ixgbe/ixgbe_ethdev.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
>diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
>b/drivers/net/ixgbe/ixgbe_ethdev.c
>index dbce7a8..3202c28 100644
>--- a/drivers/net/ixgbe/ixgbe_ethdev.c
>+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
>@@ -2904,6 +2904,7 @@ ixgbe_dev_set_link_up(struct rte_eth_dev *dev)
> } else {
> /* Turn on the laser */
> ixgbe_enable_tx_laser(hw);
>+ ixgbe_dev_link_update(dev, 0);
> }
>
> return 0;
>@@ -2934,6 +2935,7 @@ ixgbe_dev_set_link_down(struct rte_eth_dev *dev)
> } else {
> /* Turn off the laser */
> ixgbe_disable_tx_laser(hw);
>+ ixgbe_dev_link_update(dev, 0);
> }
>
> return 0;
>@@ -4108,6 +4110,7 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev,
> int link_up;
> int diag;
> int wait = 1;
>+ u32 esdp_reg;
>
> memset(&link, 0, sizeof(link));
> link.link_status = ETH_LINK_DOWN;
>@@ -4135,6 +4138,10 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev,
> return rte_eth_linkstatus_set(dev, &link);
> }
>
>+ esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
>+ if ((esdp_reg & IXGBE_ESDP_SDP3))
>+ link_up = 0;
>+
> if (link_up == 0) {
> if (ixgbe_get_media_type(hw) == ixgbe_media_type_fiber) {
> intr->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
>--
>2.7.4
>
Acked-by: Xiaolong Ye <xiaolong...@intel.com>
Applied to dpdk-next-net-intel. Thanks.
