diff options
| author | Justin Tee <justin.tee@broadcom.com> | 2022-10-17 09:43:21 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-10-22 03:19:15 +0000 |
| commit | eaf660e4282ba11239704b2b89ae94feae2010e0 (patch) | |
| tree | f583e1117243bc693a99b942d4aa8ecc71cf11b0 /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | c44e50f4a0ec00c2298f31f91bc2c3e9bbd81c7e (diff) | |
scsi: lpfc: Log when congestion management limits are in effect
When bandwidth reduces from or recovers back to 100% due to congestion
management, log the event.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20221017164323.14536-3-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 12 |
1 files changed, 12 insertions, 0 deletions
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): " |