1 files changed, 30 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 56421c714bf8..8341d44fe87b 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -3526,6 +3526,32 @@ lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
 }
 
 /**
+ * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async grp5 completion queue entry.
+ *
+ * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
+ * is an asynchronous notified of a logical link speed change.  The Port
+ * reports the logical link speed in units of 10Mbps.
+ **/
+static void
+lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
+                         struct lpfc_acqe_grp5 *acqe_grp5)
+{
+        uint16_t prev_ll_spd;
+
+        phba->fc_eventTag = acqe_grp5->event_tag;
+        phba->fcoe_eventtag = acqe_grp5->event_tag;
+        prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
+        phba->sli4_hba.link_state.logical_speed =
+                (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5));
+        lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+                        "2789 GRP5 Async Event: Updating logical link speed "
+                        "from %dMbps to %dMbps\n", (prev_ll_spd * 10),
+                        (phba->sli4_hba.link_state.logical_speed*10));
+}
+
+/**
  * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
  * @phba: pointer to lpfc hba data structure.
  *
@@ -3561,6 +3587,10 @@ void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
                         lpfc_sli4_async_dcbx_evt(phba,
                                                  &cq_event->cqe.acqe_dcbx);
                         break;
+                case LPFC_TRAILER_CODE_GRP5:
+                        lpfc_sli4_async_grp5_evt(phba,
+                                                 &cq_event->cqe.acqe_grp5);
+                        break;
                 default:
                         lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
                                         "1804 Invalid asynchrous event code: "