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scsi: qla2xxx: Change in PUREX to handle FPIN ELS requests

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SAN Congestion Management generates ELS pkts whose size can vary and be >
64 bytes. Change the PUREX handling code to support non-standard ELS pkt
size.

Link: https://lore.kernel.org/r/20200630102229.29660-2-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Shyam Sundar
2020-06-30 03:22:28 -07:00
committed by Martin K. Petersen
parent e7019c95c4
commit 62e9dd1777
6 changed files with 134 additions and 43 deletions
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2
include/uapi/scsi/fc/fc_els.h
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@@ -41,6 +41,7 @@ enum fc_els_cmd {
ELS_REC = 0x13, /* read exchange concise */
ELS_SRR = 0x14, /* sequence retransmission request */
ELS_FPIN = 0x16, /* Fabric Performance Impact Notification */
ELS_RDP = 0x18, /* Read Diagnostic Parameters */
ELS_RDF = 0x19, /* Register Diagnostic Functions */
ELS_PRLI = 0x20, /* process login */
ELS_PRLO = 0x21, /* process logout */
@@ -110,6 +111,7 @@ enum fc_els_cmd {
[ELS_REC] = "REC", \
[ELS_SRR] = "SRR", \
[ELS_FPIN] = "FPIN", \
[ELS_RDP] = "RDP", \
[ELS_RDF] = "RDF", \
[ELS_PRLI] = "PRLI", \
[ELS_PRLO] = "PRLO", \