scsi: fnic: correct speed display and add support for 25,40 and 100G

Setting speed based on the vinc device parameter read during
linkup. Also adding support to display 25,40 and 100G

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

3 files changed, 45 insertions, 2 deletions

diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c
index 245dcd95e11f..d212eb574c94 100644
--- a/drivers/scsi/fnic/fnic_fcs.c
+++ b/drivers/scsi/fnic/fnic_fcs.c
@@ -65,6 +65,30 @@ 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);
 
+        switch (vnic_dev_port_speed(fnic->vdev)) {
+        case DCEM_PORTSPEED_10G:
+                fc_host_speed(fnic->lport->host)   = FC_PORTSPEED_10GBIT;
+                fnic->lport->link_supported_speeds = FC_PORTSPEED_10GBIT;
+                break;
+        case DCEM_PORTSPEED_25G:
+                fc_host_speed(fnic->lport->host)   = FC_PORTSPEED_25GBIT;
+                fnic->lport->link_supported_speeds = FC_PORTSPEED_25GBIT;
+                break;
+        case DCEM_PORTSPEED_40G:
+        case DCEM_PORTSPEED_4x10G:
+                fc_host_speed(fnic->lport->host)   = FC_PORTSPEED_40GBIT;
+                fnic->lport->link_supported_speeds = FC_PORTSPEED_40GBIT;
+                break;
+        case DCEM_PORTSPEED_100G:
+                fc_host_speed(fnic->lport->host)   = FC_PORTSPEED_100GBIT;
+                fnic->lport->link_supported_speeds = FC_PORTSPEED_100GBIT;
+                break;
+        default:
+                fc_host_speed(fnic->lport->host)   = FC_PORTSPEED_UNKNOWN;
+                fnic->lport->link_supported_speeds = FC_PORTSPEED_UNKNOWN;
+                break;
+        }
+
         if (old_link_status == fnic->link_status) {
                 if (!fnic->link_status) {
                         /* DOWN -> DOWN */
diff --git a/drivers/scsi/fnic/fnic_io.h b/drivers/scsi/fnic/fnic_io.h
index c35b8f1889ea..e0bc659ed71f 100644
--- a/drivers/scsi/fnic/fnic_io.h
+++ b/drivers/scsi/fnic/fnic_io.h
@@ -66,4 +66,13 @@ struct fnic_io_req {
         struct completion *dr_done; /* completion for device reset */
 };
 
+enum fnic_port_speeds {
+        DCEM_PORTSPEED_NONE = 0,
+        DCEM_PORTSPEED_1G    = 1000,
+        DCEM_PORTSPEED_10G   = 10000,
+        DCEM_PORTSPEED_40G   = 40000,
+        DCEM_PORTSPEED_4x10G = 41000,
+        DCEM_PORTSPEED_25G   = 25000,
+        DCEM_PORTSPEED_100G  = 100000,
+};
 #endif /* _FNIC_IO_H_ */
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index ba58b7953263..aacadbf20b69 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -176,11 +176,21 @@ static void fnic_get_host_speed(struct Scsi_Host *shost)
 
         /* Add in other values as they get defined in fw */
         switch (port_speed) {
-        case 10000:
+        case DCEM_PORTSPEED_10G:
                 fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
                 break;
+        case DCEM_PORTSPEED_25G:
+                fc_host_speed(shost) = FC_PORTSPEED_25GBIT;
+                break;
+        case DCEM_PORTSPEED_40G:
+        case DCEM_PORTSPEED_4x10G:
+                fc_host_speed(shost) = FC_PORTSPEED_40GBIT;
+                break;
+        case DCEM_PORTSPEED_100G:
+                fc_host_speed(shost) = FC_PORTSPEED_100GBIT;
+                break;
         default:
-                fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+                fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
                 break;
         }
 }