From: Guo Fengtian <fengtian....@6wind.com>
When PF triggers a reset, VF port must acknowledge it by calling
ixgbe_reset_hw().
Before this patch, the port link status, speed and duplex are invalid
(all set to 0).
The patch move the call to ixgbe_reset_hw() from ixgbevf_dev_close() to
ixgbevf_dev_stop(), so that after a port restart on the VM, the link
status is properly marked down, with correct speed and duplex.
Fixes: f0160874c041 ("ixgbe: various updates")
CC: sta...@dpdk.org
Signed-off-by: Guo Fengtian <fengtian....@6wind.com>
Signed-off-by: David Marchand <david.march...@6wind.com>
Signed-off-by: Olivier Matz <olivier.m...@6wind.com>
---
Hi,
The use case for this problem was described some time ago, see:
http://dpdk.org/ml/archives/dev/2015-December/030067.html
It is also part of 2.2 release note:
http://dpdk.org/browse/dpdk/tree/doc/guides/rel_notes/release_2_2.rst#n471
Regards,
Olivier
drivers/net/ixgbe/ixgbe_ethdev.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index b7ddd4f..2d8641a 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -4268,6 +4268,7 @@ ixgbevf_dev_stop(struct rte_eth_dev *dev)
PMD_INIT_FUNC_TRACE();
ixgbevf_intr_disable(hw);
+ ixgbe_reset_hw(hw);
hw->adapter_stopped = 1;
ixgbe_stop_adapter(hw);
@@ -4294,12 +4295,8 @@ ixgbevf_dev_stop(struct rte_eth_dev *dev)
static void
ixgbevf_dev_close(struct rte_eth_dev *dev)
{
- struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
PMD_INIT_FUNC_TRACE();
- ixgbe_reset_hw(hw);
-
ixgbevf_dev_stop(dev);
ixgbe_dev_free_queues(dev);
--
2.8.1
