summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/fcoe/libfcoe.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/fcoe/libfcoe.c')
-rw-r--r--drivers/scsi/fcoe/libfcoe.c40
1 files changed, 11 insertions, 29 deletions
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 22f6e44fa73..b7718be3c09 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -51,7 +51,7 @@ MODULE_LICENSE("GPL v2");
#define FCOE_CTLR_DEF_FKA FIP_DEF_FKA /* default keep alive (mS) */
static void fcoe_ctlr_timeout(unsigned long);
-static void fcoe_ctlr_link_work(struct work_struct *);
+static void fcoe_ctlr_timer_work(struct work_struct *);
static void fcoe_ctlr_recv_work(struct work_struct *);
static u8 fcoe_all_fcfs[ETH_ALEN] = FIP_ALL_FCF_MACS;
@@ -116,7 +116,7 @@ void fcoe_ctlr_init(struct fcoe_ctlr *fip)
spin_lock_init(&fip->lock);
fip->flogi_oxid = FC_XID_UNKNOWN;
setup_timer(&fip->timer, fcoe_ctlr_timeout, (unsigned long)fip);
- INIT_WORK(&fip->link_work, fcoe_ctlr_link_work);
+ INIT_WORK(&fip->timer_work, fcoe_ctlr_timer_work);
INIT_WORK(&fip->recv_work, fcoe_ctlr_recv_work);
skb_queue_head_init(&fip->fip_recv_list);
}
@@ -164,7 +164,7 @@ void fcoe_ctlr_destroy(struct fcoe_ctlr *fip)
fcoe_ctlr_reset_fcfs(fip);
spin_unlock_bh(&fip->lock);
del_timer_sync(&fip->timer);
- cancel_work_sync(&fip->link_work);
+ cancel_work_sync(&fip->timer_work);
}
EXPORT_SYMBOL(fcoe_ctlr_destroy);
@@ -257,14 +257,10 @@ void fcoe_ctlr_link_up(struct fcoe_ctlr *fip)
{
spin_lock_bh(&fip->lock);
if (fip->state == FIP_ST_NON_FIP || fip->state == FIP_ST_AUTO) {
- fip->last_link = 1;
- fip->link = 1;
spin_unlock_bh(&fip->lock);
fc_linkup(fip->lp);
} else if (fip->state == FIP_ST_LINK_WAIT) {
fip->state = fip->mode;
- fip->last_link = 1;
- fip->link = 1;
spin_unlock_bh(&fip->lock);
if (fip->state == FIP_ST_AUTO)
LIBFCOE_FIP_DBG(fip, "%s", "setting AUTO mode.\n");
@@ -306,9 +302,7 @@ int fcoe_ctlr_link_down(struct fcoe_ctlr *fip)
LIBFCOE_FIP_DBG(fip, "link down.\n");
spin_lock_bh(&fip->lock);
fcoe_ctlr_reset(fip);
- link_dropped = fip->link;
- fip->link = 0;
- fip->last_link = 0;
+ link_dropped = fip->state != FIP_ST_LINK_WAIT;
fip->state = FIP_ST_LINK_WAIT;
spin_unlock_bh(&fip->lock);
@@ -1175,7 +1169,7 @@ static void fcoe_ctlr_timeout(unsigned long arg)
"Starting FCF discovery.\n",
fip->lp->host->host_no);
fip->reset_req = 1;
- schedule_work(&fip->link_work);
+ schedule_work(&fip->timer_work);
}
}
@@ -1201,43 +1195,31 @@ static void fcoe_ctlr_timeout(unsigned long arg)
mod_timer(&fip->timer, next_timer);
}
if (fip->send_ctlr_ka || fip->send_port_ka)
- schedule_work(&fip->link_work);
+ schedule_work(&fip->timer_work);
spin_unlock_bh(&fip->lock);
}
/**
- * fcoe_ctlr_link_work() - Worker thread function for link changes
+ * fcoe_ctlr_timer_work() - Worker thread function for timer work
* @work: Handle to a FCoE controller
*
- * See if the link status has changed and if so, report it.
- *
- * This is here because fc_linkup() and fc_linkdown() must not
+ * Sends keep-alives and resets which must not
* be called from the timer directly, since they use a mutex.
*/
-static void fcoe_ctlr_link_work(struct work_struct *work)
+static void fcoe_ctlr_timer_work(struct work_struct *work)
{
struct fcoe_ctlr *fip;
struct fc_lport *vport;
u8 *mac;
- int link;
- int last_link;
int reset;
- fip = container_of(work, struct fcoe_ctlr, link_work);
+ fip = container_of(work, struct fcoe_ctlr, timer_work);
spin_lock_bh(&fip->lock);
- last_link = fip->last_link;
- link = fip->link;
- fip->last_link = link;
reset = fip->reset_req;
fip->reset_req = 0;
spin_unlock_bh(&fip->lock);
- if (last_link != link) {
- if (link)
- fc_linkup(fip->lp);
- else
- fc_linkdown(fip->lp);
- } else if (reset && link)
+ if (reset)
fc_lport_reset(fip->lp);
if (fip->send_ctlr_ka) {