X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fhns3%2Fhns3_cmd.c;h=8b9f0759fb010b9b4dc8a331e8043bdf9e15a813;hb=5f8845f4ba8f8059710bdcc39306f91743532c69;hp=3d6ffc090f6da6a993d7047487f206c0e3aacd3e;hpb=b52366011d59f726b042ad8a1049d25c5d053eae;p=dpdk.git

diff --git a/drivers/net/hns3/hns3_cmd.c b/drivers/net/hns3/hns3_cmd.c
index 3d6ffc090f..8b9f0759fb 100644
--- a/drivers/net/hns3/hns3_cmd.c
+++ b/drivers/net/hns3/hns3_cmd.c
@@ -409,8 +409,9 @@ hns3_cmd_send(struct hns3_hw *hw, struct hns3_cmd_desc *desc, int num)
 	return retval;
 }
 
-static void hns3_parse_capability(struct hns3_hw *hw,
-				  struct hns3_query_version_cmd *cmd)
+static void
+hns3_parse_capability(struct hns3_hw *hw,
+		      struct hns3_query_version_cmd *cmd)
 {
 	uint32_t caps = rte_le_to_cpu_32(cmd->caps[0]);
 
@@ -429,6 +430,9 @@ static void hns3_parse_capability(struct hns3_hw *hw,
 		hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_INDEP_TXRX_B, 1);
 	if (hns3_get_bit(caps, HNS3_CAPS_STASH_B))
 		hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_STASH_B, 1);
+	if (hns3_get_bit(caps, HNS3_CAPS_RXD_ADV_LAYOUT_B))
+		hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_RXD_ADV_LAYOUT_B,
+			     1);
 }
 
 static uint32_t
@@ -582,9 +586,21 @@ 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);