From: Justin Tee Date: Wed, 31 Jan 2024 18:51:04 +0000 (-0800) Subject: scsi: lpfc: Save FPIN frequency statistics upon receipt of peer cgn notifications X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6ca396c5e3c4fb3d2df176145d4800e47cd0d18b;p=linux.git scsi: lpfc: Save FPIN frequency statistics upon receipt of peer cgn notifications FPIN frequency is provided by the fabric in peer congestion notifications. Currently, the frequency is only logged in a message, but it should also be saved into the phba's cgn_fpin statistics member for proper application functionality. Signed-off-by: Justin Tee Link: https://lore.kernel.org/r/20240131185112.149731-10-justintee8345@gmail.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index a17c66e316375..1ada8ba6cc2a5 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -10131,6 +10131,9 @@ lpfc_els_rcv_fpin_peer_cgn(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) pc_evt_str = lpfc_get_fpin_congn_event_nm(pc_evt); cnt = be32_to_cpu(pc->pname_count); + /* Capture FPIN frequency */ + phba->cgn_fpin_frequency = be32_to_cpu(pc->event_period); + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT | LOG_ELS, "4684 FPIN Peer Congestion %s (x%x) " "Duration %d mSecs "