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
