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path: root/drivers/scsi/fcoe/fcoe_transport.c
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Diffstat (limited to 'drivers/scsi/fcoe/fcoe_transport.c')
-rw-r--r--drivers/scsi/fcoe/fcoe_transport.c53
1 files changed, 36 insertions, 17 deletions
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index 7028dd37e5dd..375c536cbc68 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -83,6 +83,41 @@ static struct notifier_block libfcoe_notifier = {
.notifier_call = libfcoe_device_notification,
};
+static const struct {
+ u32 fc_port_speed;
+#define SPEED_2000 2000
+#define SPEED_4000 4000
+#define SPEED_8000 8000
+#define SPEED_16000 16000
+#define SPEED_32000 32000
+ u32 eth_port_speed;
+} fcoe_port_speed_mapping[] = {
+ { FC_PORTSPEED_1GBIT, SPEED_1000 },
+ { FC_PORTSPEED_2GBIT, SPEED_2000 },
+ { FC_PORTSPEED_4GBIT, SPEED_4000 },
+ { FC_PORTSPEED_8GBIT, SPEED_8000 },
+ { FC_PORTSPEED_10GBIT, SPEED_10000 },
+ { FC_PORTSPEED_16GBIT, SPEED_16000 },
+ { FC_PORTSPEED_20GBIT, SPEED_20000 },
+ { FC_PORTSPEED_25GBIT, SPEED_25000 },
+ { FC_PORTSPEED_32GBIT, SPEED_32000 },
+ { FC_PORTSPEED_40GBIT, SPEED_40000 },
+ { FC_PORTSPEED_50GBIT, SPEED_50000 },
+ { FC_PORTSPEED_100GBIT, SPEED_100000 },
+};
+
+static inline u32 eth2fc_speed(u32 eth_port_speed)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(fcoe_port_speed_mapping); i++) {
+ if (fcoe_port_speed_mapping[i].eth_port_speed == eth_port_speed)
+ return fcoe_port_speed_mapping[i].fc_port_speed;
+ }
+
+ return FC_PORTSPEED_UNKNOWN;
+}
+
/**
* fcoe_link_speed_update() - Update the supported and actual link speeds
* @lport: The local port to update speeds for
@@ -126,23 +161,7 @@ int fcoe_link_speed_update(struct fc_lport *lport)
SUPPORTED_40000baseLR4_Full))
lport->link_supported_speeds |= FC_PORTSPEED_40GBIT;
- switch (ecmd.base.speed) {
- case SPEED_1000:
- lport->link_speed = FC_PORTSPEED_1GBIT;
- break;
- case SPEED_10000:
- lport->link_speed = FC_PORTSPEED_10GBIT;
- break;
- case SPEED_20000:
- lport->link_speed = FC_PORTSPEED_20GBIT;
- break;
- case SPEED_40000:
- lport->link_speed = FC_PORTSPEED_40GBIT;
- break;
- default:
- lport->link_speed = FC_PORTSPEED_UNKNOWN;
- break;
- }
+ lport->link_speed = eth2fc_speed(ecmd.base.speed);
return 0;
}
return -1;