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path: root/drivers/scsi/fcoe/fcoe.c
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Diffstat (limited to 'drivers/scsi/fcoe/fcoe.c')
-rw-r--r--drivers/scsi/fcoe/fcoe.c42
1 files changed, 29 insertions, 13 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 7022a16b14f6..4834d3c130d6 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -74,6 +74,7 @@ static int fcoe_rcv(struct sk_buff *, struct net_device *,
74static int fcoe_percpu_receive_thread(void *); 74static int fcoe_percpu_receive_thread(void *);
75static void fcoe_clean_pending_queue(struct fc_lport *); 75static void fcoe_clean_pending_queue(struct fc_lport *);
76static void fcoe_percpu_clean(struct fc_lport *); 76static void fcoe_percpu_clean(struct fc_lport *);
77static int fcoe_link_speed_update(struct fc_lport *);
77static int fcoe_link_ok(struct fc_lport *); 78static int fcoe_link_ok(struct fc_lport *);
78 79
79static struct fc_lport *fcoe_hostlist_lookup(const struct net_device *); 80static struct fc_lport *fcoe_hostlist_lookup(const struct net_device *);
@@ -631,6 +632,8 @@ static int fcoe_netdev_config(struct fc_lport *lport, struct net_device *netdev)
631 port->fcoe_pending_queue_active = 0; 632 port->fcoe_pending_queue_active = 0;
632 setup_timer(&port->timer, fcoe_queue_timer, (unsigned long)lport); 633 setup_timer(&port->timer, fcoe_queue_timer, (unsigned long)lport);
633 634
635 fcoe_link_speed_update(lport);
636
634 if (!lport->vport) { 637 if (!lport->vport) {
635 /* 638 /*
636 * Use NAA 1&2 (FC-FS Rev. 2.0, Sec. 15) to generate WWNN/WWPN: 639 * Use NAA 1&2 (FC-FS Rev. 2.0, Sec. 15) to generate WWNN/WWPN:
@@ -1829,6 +1832,9 @@ static int fcoe_device_notification(struct notifier_block *notifier,
1829 FCOE_NETDEV_DBG(netdev, "Unknown event %ld " 1832 FCOE_NETDEV_DBG(netdev, "Unknown event %ld "
1830 "from netdev netlink\n", event); 1833 "from netdev netlink\n", event);
1831 } 1834 }
1835
1836 fcoe_link_speed_update(lport);
1837
1832 if (link_possible && !fcoe_link_ok(lport)) 1838 if (link_possible && !fcoe_link_ok(lport))
1833 fcoe_ctlr_link_up(&fcoe->ctlr); 1839 fcoe_ctlr_link_up(&fcoe->ctlr);
1834 else if (fcoe_ctlr_link_down(&fcoe->ctlr)) { 1840 else if (fcoe_ctlr_link_down(&fcoe->ctlr)) {
@@ -2128,26 +2134,19 @@ out_nomod:
2128} 2134}
2129 2135
2130/** 2136/**
2131 * fcoe_link_ok() - Check if the link is OK for a local port 2137 * fcoe_link_speed_update() - Update the supported and actual link speeds
2132 * @lport: The local port to check link on 2138 * @lport: The local port to update speeds for
2133 *
2134 * Any permanently-disqualifying conditions have been previously checked.
2135 * This also updates the speed setting, which may change with link for 100/1000.
2136 *
2137 * This function should probably be checking for PAUSE support at some point
2138 * in the future. Currently Per-priority-pause is not determinable using
2139 * ethtool, so we shouldn't be restrictive until that problem is resolved.
2140 *
2141 * Returns: 0 if link is OK for use by FCoE.
2142 * 2139 *
2140 * Returns: 0 if the ethtool query was successful
2141 * -1 if the ethtool query failed
2143 */ 2142 */
2144int fcoe_link_ok(struct fc_lport *lport) 2143int fcoe_link_speed_update(struct fc_lport *lport)
2145{ 2144{
2146 struct fcoe_port *port = lport_priv(lport); 2145 struct fcoe_port *port = lport_priv(lport);
2147 struct net_device *netdev = port->fcoe->netdev; 2146 struct net_device *netdev = port->fcoe->netdev;
2148 struct ethtool_cmd ecmd = { ETHTOOL_GSET }; 2147 struct ethtool_cmd ecmd = { ETHTOOL_GSET };
2149 2148
2150 if (netif_oper_up(netdev) && !dev_ethtool_get_settings(netdev, &ecmd)) { 2149 if (!dev_ethtool_get_settings(netdev, &ecmd)) {
2151 lport->link_supported_speeds &= 2150 lport->link_supported_speeds &=
2152 ~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT); 2151 ~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT);
2153 if (ecmd.supported & (SUPPORTED_1000baseT_Half | 2152 if (ecmd.supported & (SUPPORTED_1000baseT_Half |
@@ -2167,6 +2166,23 @@ int fcoe_link_ok(struct fc_lport *lport)
2167} 2166}
2168 2167
2169/** 2168/**
2169 * fcoe_link_ok() - Check if the link is OK for a local port
2170 * @lport: The local port to check link on
2171 *
2172 * Returns: 0 if link is UP and OK, -1 if not
2173 *
2174 */
2175int fcoe_link_ok(struct fc_lport *lport)
2176{
2177 struct fcoe_port *port = lport_priv(lport);
2178 struct net_device *netdev = port->fcoe->netdev;
2179
2180 if (netif_oper_up(netdev))
2181 return 0;
2182 return -1;
2183}
2184
2185/**
2170 * fcoe_percpu_clean() - Clear all pending skbs for an local port 2186 * fcoe_percpu_clean() - Clear all pending skbs for an local port
2171 * @lport: The local port whose skbs are to be cleared 2187 * @lport: The local port whose skbs are to be cleared
2172 * 2188 *