libfcoe, fcoe: move fcoe_link_speed_update() to libfcoe and export it
With the previous patch, fcoe_link_speed_update() can be moved into libfcoe and
exported to used by fcoe, bnx2fc, and etc.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Cc: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index 83e78f9..3c6846f 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -83,6 +83,41 @@
.notifier_call = libfcoe_device_notification,
};
+/**
+ * fcoe_link_speed_update() - Update the supported and actual link speeds
+ * @lport: The local port to update speeds for
+ *
+ * Returns: 0 if the ethtool query was successful
+ * -1 if the ethtool query failed
+ */
+int fcoe_link_speed_update(struct fc_lport *lport)
+{
+ struct net_device *netdev = fcoe_get_netdev(lport);
+ struct ethtool_cmd ecmd;
+
+ if (!__ethtool_get_settings(netdev, &ecmd)) {
+ lport->link_supported_speeds &=
+ ~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT);
+ if (ecmd.supported & (SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full))
+ lport->link_supported_speeds |= FC_PORTSPEED_1GBIT;
+ if (ecmd.supported & SUPPORTED_10000baseT_Full)
+ lport->link_supported_speeds |=
+ FC_PORTSPEED_10GBIT;
+ switch (ethtool_cmd_speed(&ecmd)) {
+ case SPEED_1000:
+ lport->link_speed = FC_PORTSPEED_1GBIT;
+ break;
+ case SPEED_10000:
+ lport->link_speed = FC_PORTSPEED_10GBIT;
+ break;
+ }
+ return 0;
+ }
+ return -1;
+}
+EXPORT_SYMBOL_GPL(fcoe_link_speed_update);
+
void __fcoe_get_lesb(struct fc_lport *lport,
struct fc_els_lesb *fc_lesb,
struct net_device *netdev)