[SCSI] qla2xxx: Add port-speed FC transport attribute.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

4 files changed, 29 insertions, 2 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index b17ee62dd1a9..e03140fec179 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -426,6 +426,26 @@ qla2x00_get_host_port_id(struct Scsi_Host *shost)
 }
 
 static void
+qla2x00_get_host_speed(struct Scsi_Host *shost)
+{
+        scsi_qla_host_t *ha = to_qla_host(shost);
+        uint32_t speed = 0;
+
+        switch (ha->link_data_rate) {
+        case LDR_1GB:
+                speed = 1;
+                break;
+        case LDR_2GB:
+                speed = 2;
+                break;
+        case LDR_4GB:
+                speed = 4;
+                break;
+        }
+        fc_host_speed(shost) = speed;
+}
+
+static void
 qla2x00_get_starget_node_name(struct scsi_target *starget)
 {
         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
@@ -520,6 +540,8 @@ struct fc_function_template qla2xxx_transport_functions = {
 
         .get_host_port_id = qla2x00_get_host_port_id,
         .show_host_port_id = 1,
+        .get_host_speed = qla2x00_get_host_speed,
+        .show_host_speed = 1,
 
         .dd_fcrport_size = sizeof(struct fc_port *),
         .show_rport_supported_classes = 1,
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index bad066e5772a..26af5319c219 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2331,6 +2331,10 @@ typedef struct scsi_qla_host {
         uint16_t        min_external_loopid;    /* First external loop Id */
 
         uint16_t        link_data_rate;         /* F/W operating speed */
+#define LDR_1GB         0
+#define LDR_2GB         1
+#define LDR_4GB         3
+#define LDR_UNKNOWN     0xFFFF
 
         uint8_t         current_topology;
         uint8_t         prev_topology;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 71a46fcee8cc..42aa7a7c1a73 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -402,9 +402,9 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                 break;
 
         case MBA_LOOP_UP:               /* Loop Up Event */
-                ha->link_data_rate = 0;
                 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
                         link_speed = link_speeds[0];
+                        ha->link_data_rate = LDR_1GB;
                 } else {
                         link_speed = link_speeds[LS_UNKNOWN];
                         if (mb[1] < 5)
@@ -436,7 +436,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                 }
 
                 ha->flags.management_server_logged_in = 0;
-                ha->link_data_rate = 0;
+                ha->link_data_rate = LDR_UNKNOWN;
                 if (ql2xfdmienable)
                         set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 5866a7c706a8..6e133edb2016 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1312,6 +1312,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
         ha->ports = MAX_BUSES;
         ha->init_cb_size = sizeof(init_cb_t);
         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
+        ha->link_data_rate = LDR_UNKNOWN;
 
         /* Assign ISP specific operations. */
         ha->isp_ops.pci_config          = qla2100_pci_config;