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scsi: qla2xxx: Fix re-login for Nport Handle in use 

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: 726b854870 ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2017-12-04 14:45:00 -08:00 committed by Martin K. Petersen
parent d68b850e1b
commit a084fd68e1
3 changed files with 51 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/scsi/qla2xxx/qla_gs.c
View File

@ -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);

44
drivers/scsi/qla2xxx/qla_init.c
View File

@ -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;

5
drivers/scsi/qla2xxx/qla_isr.c
View File

@ -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 @@ check_scsi_status:
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 @@ check_scsi_status:
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);
}