diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_isr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 550ffdf0bf17..f15f87e1abd8 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1983,6 +1983,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) int logit = 1; int res = 0; uint16_t state_flags = 0; + uint16_t retry_delay = 0; sts = (sts_entry_t *) pkt; sts24 = (struct sts_entry_24xx *) pkt; @@ -2076,6 +2077,9 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) host_to_fcp_swap(sts24->data, sizeof(sts24->data)); ox_id = le16_to_cpu(sts24->ox_id); par_sense_len = sizeof(sts24->data); + /* Valid values of the retry delay timer are 0x1-0xffef */ + if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) + retry_delay = sts24->retry_delay; } else { if (scsi_status & SS_SENSE_LEN_VALID) sense_len = le16_to_cpu(sts->req_sense_length); @@ -2110,6 +2114,14 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) comp_status = CS_DATA_OVERRUN; /* + * Check retry_delay_timer value if we receive a busy or + * queue full. + */ + if (lscsi_status == SAM_STAT_TASK_SET_FULL || + lscsi_status == SAM_STAT_BUSY) + qla2x00_set_retry_delay_timestamp(fcport, retry_delay); + + /* * Based on Host and scsi status generate status code for Linux */ switch (comp_status) { |