net/dpaa2: allocate SGT from first segment

[dpdk.git] / drivers / net / hns3 / hns3_cmd.c

diff --git a/drivers/net/hns3/hns3_cmd.c b/drivers/net/hns3/hns3_cmd.c
index 3d6ffc0..32cd56b 100644 (file)
--- a/drivers/net/hns3/hns3_cmd.c
+++ b/drivers/net/hns3/hns3_cmd.c
@@ -582,9 +582,21 @@ hns3_cmd_destroy_queue(struct hns3_hw *hw)
 void
 hns3_cmd_uninit(struct hns3_hw *hw)
 {
+       __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
+
+       /*
+        * A delay is added to ensure that the register cleanup operations
+        * will not be performed concurrently with the firmware command and
+        * ensure that all the reserved commands are executed.
+        * Concurrency may occur in two scenarios: asynchronous command and
+        * timeout command. If the command fails to be executed due to busy
+        * scheduling, the command will be processed in the next scheduling
+        * of the firmware.
+        */
+       rte_delay_ms(HNS3_CMDQ_CLEAR_WAIT_TIME);
+
        rte_spinlock_lock(&hw->cmq.csq.lock);
        rte_spinlock_lock(&hw->cmq.crq.lock);
-       __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
        hns3_cmd_clear_regs(hw);
        rte_spinlock_unlock(&hw->cmq.crq.lock);
        rte_spinlock_unlock(&hw->cmq.csq.lock);