[SCSI] bfa: statistics and typo fix

- Added time stamp for fcport stats reset
- Added new fileds to the statistics data structures.
- Typo removal and minor cleanup.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 25 insertions, 2 deletions

diff --git a/drivers/scsi/bfa/bfa_port.c b/drivers/scsi/bfa/bfa_port.c
index cab19028361a..6773e2282ddc 100644
--- a/drivers/scsi/bfa/bfa_port.c
+++ b/drivers/scsi/bfa/bfa_port.c
@@ -102,9 +102,14 @@ bfa_port_get_stats_isr(struct bfa_port_s *port, bfa_status_t status)
         port->stats_busy = BFA_FALSE;
 
         if (status == BFA_STATUS_OK) {
+                struct bfa_timeval_s tv;
+
                 memcpy(port->stats, port->stats_dma.kva,
                        sizeof(union bfa_pport_stats_u));
                 bfa_port_stats_swap(port, port->stats);
+
+                bfa_os_gettimeofday(&tv);
+                port->stats->fc.secs_reset = tv.tv_sec - port->stats_reset_time;
         }
 
         if (port->stats_cbfn) {
@@ -125,9 +130,17 @@ bfa_port_get_stats_isr(struct bfa_port_s *port, bfa_status_t status)
 static void
 bfa_port_clear_stats_isr(struct bfa_port_s *port, bfa_status_t status)
 {
+        struct bfa_timeval_s tv;
+
         port->stats_status = status;
         port->stats_busy = BFA_FALSE;
 
+        /**
+         * re-initialize time stamp for stats reset
+         */
+        bfa_os_gettimeofday(&tv);
+        port->stats_reset_time = tv.tv_sec;
+
         if (port->stats_cbfn) {
                 port->stats_cbfn(port->stats_cbarg, status);
                 port->stats_cbfn = NULL;
@@ -428,6 +441,8 @@ void
 bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc, void *dev,
                 struct bfa_trc_mod_s *trcmod, struct bfa_log_mod_s *logmod)
 {
+        struct bfa_timeval_s tv;
+
         bfa_assert(port);
 
         port->dev = dev;
@@ -435,13 +450,21 @@ bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc, void *dev,
         port->trcmod = trcmod;
         port->logmod = logmod;
 
-        port->stats_busy = port->endis_pending = BFA_FALSE;
-        port->stats_cbfn = port->endis_cbfn = NULL;
+        port->stats_busy = BFA_FALSE;
+        port->endis_pending = BFA_FALSE;
+        port->stats_cbfn = NULL;
+        port->endis_cbfn = NULL;
 
         bfa_ioc_mbox_regisr(port->ioc, BFI_MC_PORT, bfa_port_isr, port);
         bfa_ioc_hbfail_init(&port->hbfail, bfa_port_hbfail, port);
         bfa_ioc_hbfail_register(port->ioc, &port->hbfail);
 
+        /**
+         * initialize time stamp for stats reset
+         */
+        bfa_os_gettimeofday(&tv);
+        port->stats_reset_time = tv.tv_sec;
+
         bfa_trc(port, 0);
 }