diff mbox series

[v4,25/36] net/i40e/base: fix retrying logic

Message ID 20200113023949.26718-26-xiaolong.ye@intel.com (mailing list archive)
State Accepted, archived
Delegated to: xiaolong ye
Headers show
Series update for i40e base code | expand

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Xiaolong Ye Jan. 13, 2020, 2:39 a.m. UTC
Fixed a bug where driver was breaking out of the loop and
reporting an error without retrying first.

Fixes: 466eec7d6b1a ("net/i40e/base: retry AQC to overcome IRCRead hangs")

Signed-off-by: Marcin Formela <marcin.formela@intel.com>
Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
---
 drivers/net/i40e/base/i40e_common.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c
index 4f87ec9fa..a37e70599 100644
--- a/drivers/net/i40e/base/i40e_common.c
+++ b/drivers/net/i40e/base/i40e_common.c
@@ -1714,19 +1714,22 @@  enum i40e_status_code i40e_aq_get_phy_capabilities(struct i40e_hw *hw,
 		status = i40e_asq_send_command(hw, &desc, abilities,
 					       abilities_size, cmd_details);
 
-		if (status != I40E_SUCCESS)
-			break;
-
-		if (hw->aq.asq_last_status == I40E_AQ_RC_EIO) {
+		switch (hw->aq.asq_last_status) {
+		case I40E_AQ_RC_EIO:
 			status = I40E_ERR_UNKNOWN_PHY;
 			break;
-		} else if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN) {
+		case I40E_AQ_RC_EAGAIN:
 			i40e_msec_delay(1);
 			total_delay++;
 			status = I40E_ERR_TIMEOUT;
+			break;
+		/* also covers I40E_AQ_RC_OK */
+		default:
+			break;
 		}
-	} while ((hw->aq.asq_last_status != I40E_AQ_RC_OK) &&
-		 (total_delay < max_delay));
+
+	} while ((hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN) &&
+		(total_delay < max_delay));
 
 	if (status != I40E_SUCCESS)
 		return status;