lpfc: Unknown ELS command x18 received from NPORT xfffc2b

PATCH Sebastian Herbszt 2 participants 2 messages Apr 14, 2015 – Apr 18, 2015

Subsystems (2)

SCSI Emulex/Broadcom lpfc FC/FCoE SCSI driver

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Sebastian Herbszt

author

2015-04-14 23:08 UTC #0 lore raw

We recently started to get

[8043768.238110] lpfc 0000:10:00.1: 1:(0):0115 Unknown ELS command x18 received from NPORT xfffc2b
[8130462.560283] lpfc 0000:10:00.1: 1:(0):0115 Unknown ELS command x18 received from NPORT xfffc2b
[8216439.442882] lpfc 0000:10:00.1: 1:(0):0115 Unknown ELS command x18 received from NPORT xfffc2b

Read Diagnostic Parameters (RDP) [1] support was introduced in Brocade Fabric OS 7.3 [2].

The following (untested) patch might silence the message.

[1] http://www.t11.org/ftp/t11/pub/fc/ls-3/14-033v0.pdf
[2] ftp://public.dhe.ibm.com/storage/san/fos7/v7.3.0c_ReleaseNotes_v1.0.pdf

Sebastian

drivers/scsi/lpfc/lpfc_els.c renamed from drivers/scsi/lpfc.orig/lpfc_els.c +4 -0

diff -uNrp v4.0-1941-geeee78c/drivers/scsi/lpfc.orig/lpfc_els.c v4.0-1941-geeee78c/drivers/scsi/lpfc/lpfc_els.c
@@ -6970,6 +6970,10 @@ lpfc_els_unsol_buffer(struct lpfc_hba *p
 			rjt_err = LSRJT_UNABLE_TPC;
 			rjt_exp = LSEXP_INVALID_OX_RX;
 		break;
+	case ELS_CMD_RDP:
+		rjt_err = LSRJT_UNABLE_TPC;
+		rjt_exp = LSEXP_REQ_UNSUPPORTED;
+		break;
 	default:
 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
 			"RCV ELS cmd:     cmd:x%x did:x%x/ste:x%x",

drivers/scsi/lpfc/lpfc_hw.h renamed from drivers/scsi/lpfc.orig/lpfc_hw.h +2 -0

diff -uNrp v4.0-1941-geeee78c/drivers/scsi/lpfc.orig/lpfc_hw.h v4.0-1941-geeee78c/drivers/scsi/lpfc/lpfc_hw.h
@@ -540,6 +540,7 @@ struct fc_vft_header {
 #define ELS_CMD_TEST      0x11000000
 #define ELS_CMD_RRQ       0x12000000
 #define ELS_CMD_REC       0x13000000
+#define ELS_CMD_RDP       0x18000000
 #define ELS_CMD_PRLI      0x20100014
 #define ELS_CMD_PRLO      0x21100014
 #define ELS_CMD_PRLO_ACC  0x02100014

@@ -577,6 +578,7 @@ struct fc_vft_header {
 #define ELS_CMD_TEST      0x11
 #define ELS_CMD_RRQ       0x12
 #define ELS_CMD_REC       0x13
+#define ELS_CMD_RDP       0x18
 #define ELS_CMD_PRLI      0x14001020
 #define ELS_CMD_PRLO      0x14001021
 #define ELS_CMD_PRLO_ACC  0x14001002

James Smart

2015-04-18 15:41 UTC #1 lore raw

This would silence it. However, I'm about to push a new patch set which adds full RDP support.

-- james s

Quoted 51 lines · Sebastian Herbszt