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qla2x00t: Disable Out-of-order processing by default

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From: Quinn Tran <quinn.tran@cavium.com>

Out of order(OOO) processing requires initiator, switch
and target to support OOO. In today¹s environment, none
of the switches support OOO. OOO requires extra buffer
space which affect performance. By turning ON this feature
in QLogic's FW, it delays error recovery because droped
frame is treated as out of order frame. We¹re turning OFF
this option of speed up error recovery.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>

Merge of mainline commit 300af14bdb28157090f0c6f89d244fda940082da

EXPERIMENTAL!



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7188 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2017-05-19 02:58:23 +00:00
parent 9d21169f8c
commit 8d3a9f440a
1 changed files with 6 additions and 0 deletions
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qla2x00t/qla_init.c
+6
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@@ -2440,8 +2440,10 @@ qla2x00_nvram_config(scsi_qla_host_t *vha)
nv->add_firmware_options[1] |= BIT_5 | BIT_4;
#ifdef CONFIG_SCSI_QLA2XXX_TARGET
#if 0
/* out-of-order frames rassembly */
nv->special_options[0] |= BIT_6;
#endif
#endif /* CONFIG_SCSI_QLA2XXX_TARGET */
if (IS_QLA2300(ha)) {
@@ -4543,8 +4545,10 @@ qla24xx_nvram_config(scsi_qla_host_t *vha)
nv->firmware_options_3 = ha->saved_firmware_options_3;
}
}
#if 0
/* out-of-order frames reassembly */
nv->firmware_options_3 |= cpu_to_le32(BIT_6|BIT_9);
#endif
#endif /* CONFIG_SCSI_QLA2XXX_TARGET */
@@ -5500,8 +5504,10 @@ qla81xx_nvram_config(scsi_qla_host_t *vha)
nv->firmware_options_3 = ha->saved_firmware_options_3;
}
}
#if 0
/* out-of-order frames reassembly */
nv->firmware_options_3 |= cpu_to_le32(BIT_6|BIT_9);
#endif
#endif /* CONFIG_SCSI_QLA2XXX_TARGET */