net/hns3: get link state change through mailbox

[dpdk.git] / drivers / net / hns3 / hns3_mbx.c

diff --git a/drivers/net/hns3/hns3_mbx.c b/drivers/net/hns3/hns3_mbx.c
index c1647af..26807bc 100644 (file)
--- a/drivers/net/hns3/hns3_mbx.c
+++ b/drivers/net/hns3/hns3_mbx.c
@@ -282,6 +282,40 @@ hns3_update_resp_position(struct hns3_hw *hw, uint32_t resp_msg)
        resp->tail = tail;
 }
 
+static void
+hns3_link_fail_parse(struct hns3_hw *hw, uint8_t link_fail_code)
+{
+       switch (link_fail_code) {
+       case HNS3_MBX_LF_NORMAL:
+               break;
+       case HNS3_MBX_LF_REF_CLOCK_LOST:
+               hns3_warn(hw, "Reference clock lost!");
+               break;
+       case HNS3_MBX_LF_XSFP_TX_DISABLE:
+               hns3_warn(hw, "SFP tx is disabled!");
+               break;
+       case HNS3_MBX_LF_XSFP_ABSENT:
+               hns3_warn(hw, "SFP is absent!");
+               break;
+       default:
+               hns3_warn(hw, "Unknown fail code:%u!", link_fail_code);
+               break;
+       }
+}
+
+static void
+hns3_handle_link_change_event(struct hns3_hw *hw,
+                             struct hns3_mbx_pf_to_vf_cmd *req)
+{
+#define LINK_STATUS_OFFSET     1
+#define LINK_FAIL_CODE_OFFSET  2
+
+       if (!req->msg[LINK_STATUS_OFFSET])
+               hns3_link_fail_parse(hw, req->msg[LINK_FAIL_CODE_OFFSET]);
+
+       hns3_update_link_status(hw);
+}
+
 void
 hns3_dev_handle_mbx_msg(struct hns3_hw *hw)
 {
@@ -335,6 +369,9 @@ hns3_dev_handle_mbx_msg(struct hns3_hw *hw)
 
                        hns3_mbx_handler(hw);
                        break;
+               case HNS3_MBX_PUSH_LINK_STATUS:
+                       hns3_handle_link_change_event(hw, req);
+                       break;
                default:
                        hns3_err(hw,
                                 "VF received unsupported(%d) mbx msg from PF",