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qla2xxx: Allow relogin to proceed if remote login did not finish

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If the remote port have started the login process, then the
PLOGI and PRLI should be back to back. Driver will allow
the remote port to complete the process. For the case where
the remote port decide to back off from sending PRLI, this
local port sets an expiration timer for the PRLI. Once the
expiration time passes, the relogin retry logic is allowed
to go through and perform login with the remote port.

Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Quinn Tran
2017-03-15 09:48:48 -07:00
committed by Nicholas Bellinger
parent f159b3c7cd
commit 5b33469a05
4 changed files with 32 additions and 8 deletions
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2
drivers/scsi/qla2xxx/qla_def.h
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@@ -2300,6 +2300,8 @@ typedef struct fc_port {
struct ct_sns_desc ct_desc;
enum discovery_state disc_state;
enum login_state fw_login_state;
unsigned long plogi_nack_done_deadline;
u32 login_gen, last_login_gen;
u32 rscn_gen, last_rscn_gen;
u32 chip_reset;