diff options
| author | Johannes Thumshirn <jthumshirn@suse.de> | 2016-08-19 15:33:37 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-08-23 22:27:47 -0400 |
| commit | 0b924e5505a568e7a70e07b529a02ed12295ff7c (patch) | |
| tree | 4911bf24704536dfbfd7093cd580d854815d1973 /drivers/scsi/fcoe/fcoe_transport.c | |
| parent | 9442c9b0ed5c6f3a86dce0d6f714ef43f7f6cd53 (diff) | |
scsi: fcoe: provide translation table between Ethernet and FC port speeds
Provide a translation table between Ethernet and FC port speeds so odd
speeds (from a Ethernet POV) like 8 Gbit are correctly mapped to sysfs
and open-fcoe's fcoeadm.
Before:
Description: BCM57840 NetXtreme II 10/20-Gigabit Ethernet
Revision: 11
Manufacturer: Broadcom Corporation
Serial Number: 6CC2173EA1D0
Driver: bnx2x 1.712.30-0
Number of Ports: 1
Symbolic Name: bnx2fc (QLogic BCM57840) v2.10.3 over eth2
OS Device Name: host1
Node Name: 0x20006cc2173ea1d1
Port Name: 0x10006cc2173ea1d1
FabricName: 0x100000c0dd0ce717
Speed: unknown
Supported Speed: 1 Gbit, 10 Gbit
MaxFrameSize: 2048 bytes
FC-ID (Port ID): 0x660702
State: Online
After:
Description: BCM57840 NetXtreme II 10/20-Gigabit Ethernet
Revision: 11
Manufacturer: Broadcom Corporation
Serial Number: 6CC2173EA1D0
Driver: bnx2x 1.712.30-0
Number of Ports: 1
Symbolic Name: bnx2fc (QLogic BCM57840) v2.10.3 over eth2
OS Device Name: host1
Node Name: 0x20006cc2173ea1d1
Port Name: 0x10006cc2173ea1d1
FabricName: 0x100000c0dd0ce717
Speed: 8 Gbit
Supported Speed: 1 Gbit, 10 Gbit
MaxFrameSize: 2048 bytes
FC-ID (Port ID): 0x660701
State: Online
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fcoe/fcoe_transport.c')
| -rw-r--r-- | drivers/scsi/fcoe/fcoe_transport.c | 53 |
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..c164eec54308 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; |