When bandwidth reduces from or recovers back to 100% due to congestion
management, log the event.
Signed-off-by: Justin Tee <justin.tee@xxxxxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_sli.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 86ba45ac91c8..d25afc9dde14 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1848,6 +1848,18 @@ lpfc_cmf_sync_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
phba->cmf_link_byte_count);
bwpcent = div64_u64(bw * 100 + slop,
phba->cmf_link_byte_count);
+
+ if (phba->cmf_max_bytes_per_interval < bw &&
+ bwpcent > 95)
+ lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT,
+ "6208 Congestion bandwidth "
+ "limits removed\n");
+ else if ((phba->cmf_max_bytes_per_interval > bw) &&
+ ((bwpcent + pcent) <= 100) && ((bwpcent + pcent) > 95))
+ lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT,
+ "6209 Congestion bandwidth "
+ "limits in effect\n");
+
if (asig) {
lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT,
"6237 BW Threshold %lld%% (%lld): "
--
2.38.0.83.gd420dda057
