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%3Ba=su...
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@vger.kernel.org know about it.
From foo@baz Sun Nov 19 12:02:55 CET 2017
From: James Smart james.smart@broadcom.com 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@broadcom.com
[ 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@broadcom.com Signed-off-by: James Smart james.smart@broadcom.com Reviewed-by: Hannes Reinecke hare@suse.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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@broadcom.com 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