[dpdk-dev] [PATCH 7/7] net/iavf: fix port close

[SteveX Yang]

Port reset will call iavf_dev_uninit() to release resources. It wants
to call iavf_dev_close() to release resources. So there will be a
call conflict if calling iavf_dev_reset() and iavf_dev_close() at the
same time.

This patch added adapter->closed flag in iavf_dev_close()
to control the status of close.

Fixes: 83fe5e80692a ("net/iavf: move device state flag")

Signed-off-by: SteveX Yang <stevex.y...@intel.com>
---
 drivers/net/iavf/iavf.h        | 1 +
 drivers/net/iavf/iavf_ethdev.c | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/net/iavf/iavf.h b/drivers/net/iavf/iavf.h
index 9be8a2381..06cbe6089 100644
--- a/drivers/net/iavf/iavf.h
+++ b/drivers/net/iavf/iavf.h
@@ -161,6 +161,7 @@ struct iavf_adapter {
        bool tx_vec_allowed;
        const uint32_t *ptype_tbl;
        bool stopped;
+       bool closed;
        uint16_t fdir_ref_cnt;
 };
 
diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index f16aff531..b58e57b07 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -1367,6 +1367,7 @@ iavf_dev_init(struct rte_eth_dev *eth_dev)
        hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
        adapter->eth_dev = eth_dev;
        adapter->stopped = 1;
+       adapter->closed = 0;
 
        if (iavf_init_vf(eth_dev) != 0) {
                PMD_INIT_LOG(ERR, "Init vf failed");
@@ -1423,6 +1424,9 @@ iavf_dev_close(struct rte_eth_dev *dev)
        struct iavf_adapter *adapter =
                IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 
+       if (adapter->closed == 1)
+               return;
+
        iavf_dev_stop(dev);
        iavf_flow_flush(dev, NULL);
        iavf_flow_uninit(adapter);
@@ -1434,6 +1438,8 @@ iavf_dev_close(struct rte_eth_dev *dev)
        rte_intr_callback_unregister(intr_handle,
                                     iavf_dev_interrupt_handler, dev);
        iavf_disable_irq0(hw);
+
+       adapter->closed = 1;
 }
 
 static int
-- 
2.17.1