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qla2xxx: Honor FCP_RSP retry delay timer field.

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Parse the retry delay timer field from the FCP response data and if:

- It is not zero
- The SCSI status is busy or queue full

return SCSI_MLQUEUE_TARGET_BUSY for the number of milliseconds specified
in the retry delay timer field.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Chad Dupuis
2014-09-25 05:16:59 -04:00
committed by Christoph Hellwig
parent 9a6e6400a9
commit e05fe29248
5 changed files with 32 additions and 1 deletions
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2
drivers/scsi/qla2xxx/qla_def.h
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@@ -2023,6 +2023,8 @@ typedef struct fc_port {
unsigned long last_ramp_up;
uint16_t port_id;
unsigned long retry_delay_timestamp;
} fc_port_t;
#include "qla_mr.h"