net/hns3: fix handling link update

The link fails code should be parsed using the structure
hns3_mbx_vf_to_pf_cmd, else it will parse fail.

Fixes: 109e4dd1bd7a ("net/hns3: get link state change through mailbox")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>

diff --git a/drivers/net/hns3/hns3_mbx.c b/drivers/net/hns3/hns3_mbx.c
index ba04ac9..31ab130 100644 (file)
--- a/drivers/net/hns3/hns3_mbx.c
+++ b/drivers/net/hns3/hns3_mbx.c
@@ -347,7 +347,7 @@ hns3_link_fail_parse(struct hns3_hw *hw, uint8_t link_fail_code)
 
 static void
 hns3pf_handle_link_change_event(struct hns3_hw *hw,
-                             struct hns3_mbx_pf_to_vf_cmd *req)
+                               struct hns3_mbx_vf_to_pf_cmd *req)
 {
 #define LINK_STATUS_OFFSET     1
 #define LINK_FAIL_CODE_OFFSET  2
@@ -513,7 +513,14 @@ hns3_dev_handle_mbx_msg(struct hns3_hw *hw)
                        hns3_handle_asserting_reset(hw, req);
                        break;
                case HNS3_MBX_PUSH_LINK_STATUS:
-                       hns3pf_handle_link_change_event(hw, req);
+                       /*
+                        * This message is reported by the firmware and is
+                        * reported in 'struct hns3_mbx_vf_to_pf_cmd' format.
+                        * Therefore, we should cast the req variable to
+                        * 'struct hns3_mbx_vf_to_pf_cmd' and then process it.
+                        */
+                       hns3pf_handle_link_change_event(hw,
+                               (struct hns3_mbx_vf_to_pf_cmd *)req);
                        break;
                case HNS3_MBX_PUSH_VLAN_INFO:
                        /*