From: Quinn Tran <quinn.tran@xxxxxxxxxx>
When NPort Handle is in use, driver needs to mark the handle
as used and pick another. Instead, the code clears the handle
and re-pick the same handle.
Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@xxxxxxxxxxxxxxx> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@xxxxxxxxxx>
Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_gs.c | 16 ++++++++++-----
drivers/scsi/qla2xxx/qla_init.c | 44 +++++++++++++++++++++++++++++++++++++----
drivers/scsi/qla2xxx/qla_isr.c | 5 -----
3 files changed, 51 insertions(+), 14 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index ddc69d36877e..8984f857bb34 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -2833,7 +2833,7 @@ void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea)
}
} else { /* fcport->d_id.b24 != ea->id.b24 */
fcport->d_id.b24 = ea->id.b24;
- if (fcport->deleted == QLA_SESS_DELETED) {
+ if (fcport->deleted != QLA_SESS_DELETED) {
ql_dbg(ql_dbg_disc, vha, 0x2021,
"%s %d %8phC post del sess\n",
__func__, __LINE__, fcport->port_name);
@@ -3206,10 +3206,16 @@ static void qla2x00_async_gpnid_sp_done(void *s, int res)
struct event_arg ea;
struct qla_work_evt *e;
- ql_dbg(ql_dbg_disc, vha, 0x2066,
- "Async done-%s res %x ID %3phC. %8phC\n",
- sp->name, res, ct_req->req.port_id.port_id,
- ct_rsp->rsp.gpn_id.port_name);
+ if (res)
+ ql_dbg(ql_dbg_disc, vha, 0x2066,
+ "Async done-%s fail res %x ID %3phC. %8phC\n",
+ sp->name, res, ct_req->req.port_id.port_id,
+ ct_rsp->rsp.gpn_id.port_name);
+ else
+ ql_dbg(ql_dbg_disc, vha, 0x2066,
+ "Async done-%s good ID %3phC. %8phC\n",
+ sp->name, ct_req->req.port_id.port_id,
+ ct_rsp->rsp.gpn_id.port_name);
if (res) {
sp->free(sp);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 1bafa043f9f1..be4c67b465b8 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1452,6 +1452,8 @@ static void
qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
{
port_id_t cid; /* conflict Nport id */
+ u16 lid;
+ struct fc_port *conflict_fcport;
switch (ea->data[0]) {
case MBS_COMMAND_COMPLETE:
@@ -1467,8 +1469,12 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
qla24xx_post_prli_work(vha, ea->fcport);
} else {
ql_dbg(ql_dbg_disc, vha, 0x20ea,
- "%s %d %8phC post gpdb\n",
- __func__, __LINE__, ea->fcport->port_name);
+ "%s %d %8phC LoopID 0x%x in use with %06x. post gnl\n",
+ __func__, __LINE__, ea->fcport->port_name,
+ ea->fcport->loop_id, ea->fcport->d_id.b24);
+
+ set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
+ ea->fcport->loop_id = FC_NO_LOOP_ID;
ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
ea->fcport->logout_on_delete = 1;
ea->fcport->send_els_logo = 0;
@@ -1513,8 +1519,38 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
ea->fcport->d_id.b.domain, ea->fcport->d_id.b.area,
ea->fcport->d_id.b.al_pa);
- qla2x00_clear_loop_id(ea->fcport);
- qla24xx_post_gidpn_work(vha, ea->fcport);
+ lid = ea->iop[1] & 0xffff;
+ qlt_find_sess_invalidate_other(vha,
+ wwn_to_u64(ea->fcport->port_name),
+ ea->fcport->d_id, lid, &conflict_fcport);
+
+ if (conflict_fcport) {
+ /*
+ * Another fcport share the same loop_id/nport id.
+ * Conflict fcport needs to finish cleanup before this
+ * fcport can proceed to login.
+ */
+ conflict_fcport->conflict = ea->fcport;
+ ea->fcport->login_pause = 1;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20ed,
+ "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
+ __func__, __LINE__, ea->fcport->port_name,
+ ea->fcport->d_id.b24, lid);
+ qla2x00_clear_loop_id(ea->fcport);
+ qla24xx_post_gidpn_work(vha, ea->fcport);
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0x20ed,
+ "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
+ __func__, __LINE__, ea->fcport->port_name,
+ ea->fcport->d_id.b24, lid);
+
+ qla2x00_clear_loop_id(ea->fcport);
+ set_bit(lid, vha->hw->loop_id_map);
+ ea->fcport->loop_id = lid;
+ ea->fcport->keep_nport_handle = 0;
+ qlt_schedule_sess_for_deletion(ea->fcport, false);
+ }
break;
}
return;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 2fd79129bb2a..545c527263d0 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2369,7 +2369,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
int res = 0;
uint16_t state_flags = 0;
uint16_t retry_delay = 0;
- uint8_t no_logout = 0;
sts = (sts_entry_t *) pkt;
sts24 = (struct sts_entry_24xx *) pkt;
@@ -2640,7 +2639,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
break;
case CS_PORT_LOGGED_OUT:
- no_logout = 1;
case CS_PORT_CONFIG_CHG:
case CS_PORT_BUSY:
case CS_INCOMPLETE:
@@ -2671,9 +2669,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
port_state_str[atomic_read(&fcport->state)],
comp_status);
- if (no_logout)
- fcport->logout_on_delete = 0;
-
qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
qlt_schedule_sess_for_deletion_lock(fcport);
}
--
2.12.0
