diff options
| author | Yi Zou <yi.zou@intel.com> | 2012-12-06 10:23:58 +0400 |
|---|---|---|
| committer | Robert Love <robert.w.love@intel.com> | 2012-12-14 22:38:55 +0400 |
| commit | 03702689fcc985e9cb45b57099ebd5066f674739 (patch) | |
| tree | 10079124d57a604c30ccfbda79ac697e362391e2 /drivers/scsi/fcoe/fcoe_transport.c | |
| parent | 66524ec9d0aeaa8bc59077c7c5f78d09ec9eeb9d (diff) | |
| download | linux-03702689fcc985e9cb45b57099ebd5066f674739.tar.xz | |
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>
Diffstat (limited to 'drivers/scsi/fcoe/fcoe_transport.c')
| -rw-r--r-- | drivers/scsi/fcoe/fcoe_transport.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c index 83e78f922054..3c6846f1268b 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, }; +/** + * 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) |