diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 869c2b6f1515..d16d3544084f 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -6150,6 +6150,19 @@ LPFC_ATTR_RW(ras_fwlog_func, 0, 0, 7, "Firmware Logging Enabled on Function"); */ LPFC_BBCR_ATTR_RW(enable_bbcr, 1, 0, 1, "Enable BBC Recovery"); +/* Signaling module parameters */ +int lpfc_fabric_cgn_frequency = 100; /* 100 ms default */ +module_param(lpfc_fabric_cgn_frequency, int, 0444); +MODULE_PARM_DESC(lpfc_fabric_cgn_frequency, "Congestion signaling fabric freq"); + +int lpfc_acqe_cgn_frequency = 10; /* 10 sec default */ +module_param(lpfc_acqe_cgn_frequency, int, 0444); +MODULE_PARM_DESC(lpfc_acqe_cgn_frequency, "Congestion signaling ACQE freq"); + +int lpfc_use_cgn_signal = 1; /* 0 - only use FPINs, 1 - Use signals if avail */ +module_param(lpfc_use_cgn_signal, int, 0444); +MODULE_PARM_DESC(lpfc_use_cgn_signal, "Use Congestion signaling if available"); + /* * lpfc_enable_dpp: Enable DPP on G7 * 0 = DPP on G7 disabled @@ -6915,6 +6928,9 @@ lpfc_get_stats(struct Scsi_Host *shost) hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; hs->error_frames = pmb->un.varRdLnk.crcCnt; + hs->cn_sig_warn = atomic64_read(&phba->cgn_acqe_stat.warn); + hs->cn_sig_alarm = atomic64_read(&phba->cgn_acqe_stat.alarm); + hs->link_failure_count -= lso->link_failure_count; hs->loss_of_sync_count -= lso->loss_of_sync_count; hs->loss_of_signal_count -= lso->loss_of_signal_count; @@ -7026,6 +7042,12 @@ lpfc_reset_stats(struct Scsi_Host *shost) else lso->link_events = (phba->fc_eventTag >> 1); + atomic64_set(&phba->cgn_acqe_stat.warn, 0); + atomic64_set(&phba->cgn_acqe_stat.alarm, 0); + + memset(&shost_to_fc_host(shost)->fpin_stats, 0, + sizeof(shost_to_fc_host(shost)->fpin_stats)); + psli->stats_start = ktime_get_seconds(); mempool_free(pmboxq, phba->mbox_mem_pool); @@ -7459,6 +7481,11 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_enable_dpp_init(phba, lpfc_enable_dpp); lpfc_enable_mi_init(phba, lpfc_enable_mi); + phba->cmf_active_mode = LPFC_CFG_OFF; + if (lpfc_fabric_cgn_frequency > EDC_CG_SIGFREQ_CNT_MAX || + lpfc_fabric_cgn_frequency < EDC_CG_SIGFREQ_CNT_MIN) + lpfc_fabric_cgn_frequency = 100; /* 100 ms default */ + if (phba->sli_rev != LPFC_SLI_REV4) { /* NVME only supported on SLI4 */ phba->nvmet_support = 0; |