[dpdk-dev] [PATCH v3 19/24] net/i40e/base: add AQ critical error type

[Qi Zhang <qi.z.zhang@intel.com>]

The FW has the ability to return a critical error on every AQ command.
So add the new return type as critical error to sync with firmware.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/i40e/base/i40e_adminq.c | 17 +++++++++++++----
 drivers/net/i40e/base/i40e_common.c |  2 ++
 drivers/net/i40e/base/i40e_status.h |  1 +
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/net/i40e/base/i40e_adminq.c b/drivers/net/i40e/base/i40e_adminq.c
index 9859e5359..7a70443c4 100644
--- a/drivers/net/i40e/base/i40e_adminq.c
+++ b/drivers/net/i40e/base/i40e_adminq.c
@@ -1004,10 +1004,19 @@ enum i40e_status_code i40e_asq_send_command(struct i40e_hw *hw,
 	/* update the error if time out occurred */
 	if ((!cmd_completed) &&
 	    (!details->async && !details->postpone)) {
-		i40e_debug(hw,
-			   I40E_DEBUG_AQ_MESSAGE,
-			   "AQTX: Writeback timeout.\n");
-		status = I40E_ERR_ADMIN_QUEUE_TIMEOUT;
+#ifdef PF_DRIVER
+		if (rd32(hw, hw->aq.asq.len) & I40E_GL_ATQLEN_ATQCRIT_MASK) {
+#else
+		if (rd32(hw, hw->aq.asq.len) & I40E_VF_ATQLEN1_ATQCRIT_MASK) {
+#endif
+			i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE,
+				   "AQTX: AQ Critical error.\n");
+			status = I40E_ERR_ADMIN_QUEUE_CRITICAL_ERROR;
+		} else {
+			i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE,
+				   "AQTX: Writeback timeout.\n");
+			status = I40E_ERR_ADMIN_QUEUE_TIMEOUT;
+		}
 	}
 
 asq_send_command_error:
diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c
index de0a81eb1..a0a1f84b6 100644
--- a/drivers/net/i40e/base/i40e_common.c
+++ b/drivers/net/i40e/base/i40e_common.c
@@ -310,6 +310,8 @@ const char *i40e_stat_str(struct i40e_hw *hw, enum i40e_status_code stat_err)
 		return "I40E_NOT_SUPPORTED";
 	case I40E_ERR_FIRMWARE_API_VERSION:
 		return "I40E_ERR_FIRMWARE_API_VERSION";
+	case I40E_ERR_ADMIN_QUEUE_CRITICAL_ERROR:
+		return "I40E_ERR_ADMIN_QUEUE_CRITICAL_ERROR";
 	}
 
 	snprintf(hw->err_str, sizeof(hw->err_str), "%d", stat_err);
diff --git a/drivers/net/i40e/base/i40e_status.h b/drivers/net/i40e/base/i40e_status.h
index 5632ff2be..49af2d9f9 100644
--- a/drivers/net/i40e/base/i40e_status.h
+++ b/drivers/net/i40e/base/i40e_status.h
@@ -102,6 +102,7 @@ enum i40e_status_code {
 	I40E_ERR_NOT_READY			= -63,
 	I40E_NOT_SUPPORTED			= -64,
 	I40E_ERR_FIRMWARE_API_VERSION		= -65,
+	I40E_ERR_ADMIN_QUEUE_CRITICAL_ERROR	= -66,
 };
 
 #endif /* _I40E_STATUS_H_ */
-- 
2.14.1