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authorShyam Sundar <ssundar@marvell.com>2020-10-21 02:27:14 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2020-10-26 18:06:45 -0400
commit846101960fdbe312efac13ae4843410f516ff599 (patch)
tree46a1b668a5e0634bf350df97e96b9321835068d8 /include/scsi
parent3dcfe0de5a9752e646a61f4ce513ac059960c7c3 (diff)
scsi: fc: Add mechanism to update FPIN signal statistics
Under fc_host_statistics add statistics for Congestion Signals that are delivered to the host as interrupt signals. Link: https://lore.kernel.org/r/20201021092715.22669-5-njavali@marvell.com Reviewed-by: James Smart <james.smart@broadcom.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Signed-off-by: Shyam Sundar <ssundar@marvell.com> Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_transport_fc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index a636c1986e22..c759b29e46c7 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -468,6 +468,9 @@ struct fc_host_statistics {
u64 fc_seq_not_found; /* seq is not found for exchange */
u64 fc_non_bls_resp; /* a non BLS response frame with
a sequence responder in new exch */
+ /* Host Congestion Signals */
+ u64 cn_sig_warn;
+ u64 cn_sig_alarm;
};