This is a note to let you know that I've just added the patch titled
scsi: lpfc: Clear the VendorVersion in the PLOGI/PLOGI ACC payload
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
scsi-lpfc-clear-the-vendorversion-in-the-plogi-plogi-acc-payload.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Sun Nov 19 12:02:55 CET 2017
From: James Smart <james.smart@xxxxxxxxxxxx>
Date: Mon, 19 Dec 2016 15:07:20 -0800
Subject: scsi: lpfc: Clear the VendorVersion in the PLOGI/PLOGI ACC payload
From: James Smart <james.smart@xxxxxxxxxxxx>
[ Upstream commit e0165f20447c8ca1d367725ee94d8ec9f38ca275 ]
Clear the VendorVersion in the PLOGI/PLOGI ACC payload
Vendor version info may have been set on fabric login. Before sending
PLOGI payloads, ensure that it's cleared.
Signed-off-by: Dick Kennedy <dick.kennedy@xxxxxxxxxxxx>
Signed-off-by: James Smart <james.smart@xxxxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_els.c | 6 ++++++
drivers/scsi/lpfc/lpfc_hw.h | 6 ++++++
2 files changed, 12 insertions(+)
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1982,6 +1982,9 @@ lpfc_issue_els_plogi(struct lpfc_vport *
if (sp->cmn.fcphHigh < FC_PH3)
sp->cmn.fcphHigh = FC_PH3;
+ sp->cmn.valid_vendor_ver_level = 0;
+ memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
+
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
"Issue PLOGI: did:x%x",
did, 0, 0);
@@ -3966,6 +3969,9 @@ lpfc_els_rsp_acc(struct lpfc_vport *vpor
} else {
memcpy(pcmd, &vport->fc_sparam,
sizeof(struct serv_parm));
+
+ sp->cmn.valid_vendor_ver_level = 0;
+ memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
}
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -360,6 +360,12 @@ struct csp {
* Word 1 Bit 30 in PLOGI request is random offset
*/
#define virtual_fabric_support randomOffset /* Word 1, bit 30 */
+/*
+ * Word 1 Bit 29 in common service parameter is overloaded.
+ * Word 1 Bit 29 in FLOGI response is multiple NPort assignment
+ * Word 1 Bit 29 in FLOGI/PLOGI request is Valid Vendor Version Level
+ */
+#define valid_vendor_ver_level response_multiple_NPort /* Word 1, bit 29 */
#ifdef __BIG_ENDIAN_BITFIELD
uint16_t request_multiple_Nport:1; /* FC Word 1, bit 31 */
uint16_t randomOffset:1; /* FC Word 1, bit 30 */
Patches currently in stable-queue which might be from james.smart@xxxxxxxxxxxx are
queue-4.4/scsi-lpfc-clear-the-vendorversion-in-the-plogi-plogi-acc-payload.patch
queue-4.4/scsi-lpfc-correct-host-name-in-symbolic_name-field.patch
queue-4.4/scsi-lpfc-fcoe-vport-enable-disable-does-not-bring-up-the-vport.patch
queue-4.4/scsi-lpfc-correct-issue-leading-to-oops-during-link-reset.patch
queue-4.4/scsi-lpfc-add-missing-memory-barrier.patch