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authorQuinn Tran <qutran@marvell.com>2020-02-26 14:40:21 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2020-02-28 20:32:37 -0500
commitad8a260aa80d4dfa9588fd5d23b71ec922f61c8b (patch)
tree62cf95c33f9b398baa350f5e7e951b207a8eb587 /drivers
parent3d582b34992ba2fe4065f01019f0c08d12916faa (diff)
downloadlinux-next-ad8a260aa80d4dfa9588fd5d23b71ec922f61c8b.tar.gz
scsi: qla2xxx: Set Nport ID for N2N
When transitioning from loop to N2N, stale NPort ID is not re-assigned. Stale ID can collide with remote device. This patch will re-assign NPort ID on N2N is detected. Link: https://lore.kernel.org/r/20200226224022.24518-18-hmadhani@marvell.com Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Quinn Tran <qutran@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c42
1 files changed, 23 insertions, 19 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index dee7edc1a3f2..9fd83d1bffe0 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3924,11 +3924,29 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
fcport->scan_state = QLA_FCPORT_SCAN;
fcport->n2n_flag = 0;
}
+ id.b24 = 0;
+ if (wwn_to_u64(vha->port_name) >
+ wwn_to_u64(rptid_entry->u.f1.port_name)) {
+ vha->d_id.b24 = 0;
+ vha->d_id.b.al_pa = 1;
+ ha->flags.n2n_bigger = 1;
+
+ id.b.al_pa = 2;
+ ql_dbg(ql_dbg_async, vha, 0x5075,
+ "Format 1: assign local id %x remote id %x\n",
+ vha->d_id.b24, id.b24);
+ } else {
+ ql_dbg(ql_dbg_async, vha, 0x5075,
+ "Format 1: Remote login - Waiting for WWPN %8phC.\n",
+ rptid_entry->u.f1.port_name);
+ ha->flags.n2n_bigger = 0;
+ }
fcport = qla2x00_find_fcport_by_wwpn(vha,
rptid_entry->u.f1.port_name, 1);
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
if (fcport) {
fcport->plogi_nack_done_deadline = jiffies + HZ;
fcport->dm_login_expire = jiffies + 2*HZ;
@@ -3939,6 +3957,11 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
if (vha->flags.nvme_enabled)
fcport->fc4_type |= FS_FC4TYPE_NVME;
+ if (wwn_to_u64(vha->port_name) >
+ wwn_to_u64(fcport->port_name)) {
+ fcport->d_id = id;
+ }
+
switch (fcport->disc_state) {
case DSC_DELETED:
set_bit(RELOGIN_NEEDED,
@@ -3951,25 +3974,6 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
break;
}
} else {
- id.b24 = 0;
- if (wwn_to_u64(vha->port_name) >
- wwn_to_u64(rptid_entry->u.f1.port_name)) {
- vha->d_id.b24 = 0;
- vha->d_id.b.al_pa = 1;
- ha->flags.n2n_bigger = 1;
- ha->flags.n2n_ae = 0;
-
- id.b.al_pa = 2;
- ql_dbg(ql_dbg_async, vha, 0x5075,
- "Format 1: assign local id %x remote id %x\n",
- vha->d_id.b24, id.b24);
- } else {
- ql_dbg(ql_dbg_async, vha, 0x5075,
- "Format 1: Remote login - Waiting for WWPN %8phC.\n",
- rptid_entry->u.f1.port_name);
- ha->flags.n2n_bigger = 0;
- ha->flags.n2n_ae = 1;
- }
qla24xx_post_newsess_work(vha, &id,
rptid_entry->u.f1.port_name,
rptid_entry->u.f1.node_name,