scsi: fnic: Add port speed stat to fnic debug stats

This patch adds the current fnic port speed stat to fnic debug stats.

Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/fnic/fnic_fcs.c

@@ -65,6 +65,12 @@ void fnic_handle_link(struct work_struct *work)
 	fnic->link_status = vnic_dev_link_status(fnic->vdev);
 	fnic->link_down_cnt = vnic_dev_link_down_cnt(fnic->vdev);
 
+	atomic64_set(&fnic->fnic_stats.misc_stats.current_port_speed,
+			vnic_dev_port_speed(fnic->vdev));
+	shost_printk(KERN_INFO, fnic->lport->host, "Current vnic speed set to :  %llu\n",
+			(u64)atomic64_read(
+			&fnic->fnic_stats.misc_stats.current_port_speed));
+
 	switch (vnic_dev_port_speed(fnic->vdev)) {
 	case DCEM_PORTSPEED_10G:
 		fc_host_speed(fnic->lport->host)   = FC_PORTSPEED_10GBIT;

drivers/scsi/fnic/fnic_stats.h

@@ -113,6 +113,7 @@ struct misc_stats {
 	atomic64_t queue_fulls;
 	atomic64_t rport_not_ready;
 	atomic64_t frame_errors;
+	atomic64_t current_port_speed;
 };
 
 struct fnic_stats {

drivers/scsi/fnic/fnic_trace.c

@@ -446,6 +446,11 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
 		  (u64)atomic64_read(&stats->misc_stats.rport_not_ready),
 		  (u64)atomic64_read(&stats->misc_stats.frame_errors));
 
+	len += snprintf(debug->debug_buffer + len, buf_size - len,
+			"Firmware reported port seed: %llu\n",
+			(u64)atomic64_read(
+				&stats->misc_stats.current_port_speed));
+
 	return len;
 
 }