mirrors/scst
1
0
Fork 0
mirror of https://github.com/SCST-project/scst.git synced 2026-05-25 07:51:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

qla2x00t-32gbit: edif: Add retry for ELS passthrough

Browse Source 
Relating to EDIF, when sending IKE message, updating key or deleting key,
driver can encounter IOCB queue full. Add additional retries to reduce
higher level recovery.

Link: https://lore.kernel.org/r/20220607044627.19563-8-njavali@marvell.com
Fixes: dd30706e73b7 ("scsi: qla2xxx: edif: Add key update")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
[ commit 0b3f3143d473 upstream ]
This commit is contained in:
Gleb Chesnokov
2022-08-08 18:45:07 +03:00
parent 7118ccf7c4
commit b805073c83
2 changed files with 38 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
qla2x00t-32gbit/qla_edif.c
View File

@@ -1468,6 +1468,8 @@ qla24xx_check_sadb_avail_slot(BSG_JOB_TYPE *bsg_job, fc_port_t *fcport,
#define QLA_SA_UPDATE_FLAGS_RX_KEY 0x0
#define QLA_SA_UPDATE_FLAGS_TX_KEY 0x2
#define EDIF_MSLEEP_INTERVAL 100
#define EDIF_RETRY_COUNT 50
int
qla24xx_sadb_update(BSG_JOB_TYPE *bsg_job)
@@ -1480,7 +1482,7 @@ qla24xx_sadb_update(BSG_JOB_TYPE *bsg_job)
struct edif_list_entry *edif_entry = NULL;
int found = 0;
int rval = 0;
int result = 0;
int result = 0, cnt;
struct qla_sa_update_frame sa_frame;
struct srb_iocb *iocb_cmd;
port_id_t portid;
@@ -1721,11 +1723,23 @@ force_rx_delete:
sp->done = qla2x00_bsg_job_done;
iocb_cmd = &sp->u.iocb_cmd;
iocb_cmd->u.sa_update.sa_frame = sa_frame;
cnt = 0;
retry:
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
switch (rval) {
case QLA_SUCCESS:
break;
case EAGAIN:
msleep(EDIF_MSLEEP_INTERVAL);
cnt++;
if (cnt < EDIF_RETRY_COUNT)
goto retry;
fallthrough;
default:
ql_log(ql_dbg_edif, vha, 0x70e3,
"qla2x00_start_sp failed=%d.\n", rval);
"%s qla2x00_start_sp failed=%d.\n",
__func__, rval);
qla2x00_rel_sp(sp);
rval = -EIO;
@@ -2399,7 +2413,6 @@ qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e)
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
rval = QLA_FUNCTION_FAILED;
goto done_free_sp;
}
@@ -3531,7 +3544,7 @@ int qla_edif_process_els(scsi_qla_host_t *vha, BSG_JOB_TYPE *bsg_job)
fc_port_t *fcport = NULL;
struct qla_hw_data *ha = vha->hw;
srb_t *sp;
int rval = (DID_ERROR << 16);
int rval = (DID_ERROR << 16), cnt;
port_id_t d_id;
struct qla_bsg_auth_els_request *p =
(struct qla_bsg_auth_els_request *)bsg_job->request;
@@ -3626,17 +3639,26 @@ int qla_edif_process_els(scsi_qla_host_t *vha, BSG_JOB_TYPE *bsg_job)
sp->free = qla2x00_bsg_sp_free;
sp->done = qla2x00_bsg_job_done;
cnt = 0;
retry:
rval = qla2x00_start_sp(sp);
ql_dbg(ql_dbg_edif, vha, 0x700a,
"%s %s %8phN xchg %x ctlflag %x hdl %x reqlen %xh bsg ptr %p\n",
__func__, sc_to_str(p->e.sub_cmd), fcport->port_name,
p->e.extra_rx_xchg_address, p->e.extra_control_flags,
sp->handle, sp->remap.req.len, bsg_job);
if (rval != QLA_SUCCESS) {
switch (rval) {
case QLA_SUCCESS:
ql_dbg(ql_dbg_edif, vha, 0x700a,
"%s %s %8phN xchg %x ctlflag %x hdl %x reqlen %xh bsg ptr %p\n",
__func__, sc_to_str(p->e.sub_cmd), fcport->port_name,
p->e.extra_rx_xchg_address, p->e.extra_control_flags,
sp->handle, sp->remap.req.len, bsg_job);
break;
case EAGAIN:
msleep(EDIF_MSLEEP_INTERVAL);
cnt++;
if (cnt < EDIF_RETRY_COUNT)
goto retry;
fallthrough;
default:
ql_log(ql_log_warn, vha, 0x700e,
"qla2x00_start_sp failed = %d\n", rval);
"%s qla2x00_start_sp failed = %d\n", __func__, rval);
SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
rval = -EIO;
goto done_free_remap_rsp;

2
qla2x00t-32gbit/qla_os.c
View File

@@ -5505,7 +5505,7 @@ qla2x00_do_work(struct scsi_qla_host *vha)
e->u.fcport.fcport, false);
break;
case QLA_EVT_SA_REPLACE:
qla24xx_issue_sa_replace_iocb(vha, e);
rc = qla24xx_issue_sa_replace_iocb(vha, e);
break;
}