summaryrefslogtreecommitdiff
path: root/net/dcb/dcbnl.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/dcb/dcbnl.c')
-rw-r--r--net/dcb/dcbnl.c55
1 files changed, 51 insertions, 4 deletions
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index ffba32692bdb..3e3b51c4a84a 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1399,7 +1399,7 @@ static int dcbnl_ieee_set(struct net_device *netdev, struct nlattr **tb,
if (ops->ieee_setapp)
err = ops->ieee_setapp(netdev, app_data);
else
- err = dcb_setapp(netdev, app_data);
+ err = dcb_ieee_setapp(netdev, app_data);
if (err)
goto err;
}
@@ -1829,10 +1829,11 @@ u8 dcb_getapp(struct net_device *dev, struct dcb_app *app)
EXPORT_SYMBOL(dcb_getapp);
/**
- * ixgbe_dcbnl_setapp - add dcb application data to app list
+ * dcb_setapp - add CEE dcb application data to app list
*
- * Priority 0 is the default priority this removes applications
- * from the app list if the priority is set to zero.
+ * Priority 0 is an invalid priority in CEE spec. This routine
+ * removes applications from the app list if the priority is
+ * set to zero.
*/
u8 dcb_setapp(struct net_device *dev, struct dcb_app *new)
{
@@ -1877,6 +1878,52 @@ out:
}
EXPORT_SYMBOL(dcb_setapp);
+/**
+ * dcb_ieee_setapp - add IEEE dcb application data to app list
+ *
+ * This adds Application data to the list. Multiple application
+ * entries may exists for the same selector and protocol as long
+ * as the priorities are different.
+ */
+int dcb_ieee_setapp(struct net_device *dev, struct dcb_app *new)
+{
+ struct dcb_app_type *itr, *entry;
+ struct dcb_app_type event;
+ int err = 0;
+
+ memcpy(&event.name, dev->name, sizeof(event.name));
+ memcpy(&event.app, new, sizeof(event.app));
+
+ spin_lock(&dcb_lock);
+ /* Search for existing match and abort if found */
+ list_for_each_entry(itr, &dcb_app_list, list) {
+ if (itr->app.selector == new->selector &&
+ itr->app.protocol == new->protocol &&
+ itr->app.priority == new->priority &&
+ (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) {
+ err = -EEXIST;
+ goto out;
+ }
+ }
+
+ /* App entry does not exist add new entry */
+ entry = kmalloc(sizeof(struct dcb_app_type), GFP_ATOMIC);
+ if (!entry) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ memcpy(&entry->app, new, sizeof(*new));
+ strncpy(entry->name, dev->name, IFNAMSIZ);
+ list_add(&entry->list, &dcb_app_list);
+out:
+ spin_unlock(&dcb_lock);
+ if (!err)
+ call_dcbevent_notifiers(DCB_APP_EVENT, &event);
+ return err;
+}
+EXPORT_SYMBOL(dcb_ieee_setapp);
+
static void dcb_flushapp(void)
{
struct dcb_app_type *app;