1 files changed, 29 insertions, 20 deletions

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index c33180dd42b4..67dc08eaaa45 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -15,16 +15,14 @@ struct qdisc_walker;
 struct tcf_walker;
 struct module;
 
-struct qdisc_rate_table
-{
+struct qdisc_rate_table {
         struct tc_ratespec rate;
         u32             data[256];
         struct qdisc_rate_table *next;
         int             refcnt;
 };
 
-enum qdisc_state_t
-{
+enum qdisc_state_t {
         __QDISC_STATE_RUNNING,
         __QDISC_STATE_SCHED,
         __QDISC_STATE_DEACTIVATED,
@@ -37,8 +35,7 @@ struct qdisc_size_table {
         u16                     data[];
 };
 
-struct Qdisc
-{
+struct Qdisc {
         int                     (*enqueue)(struct sk_buff *skb, struct Qdisc *dev);
         struct sk_buff *        (*dequeue)(struct Qdisc *dev);
         unsigned                flags;
@@ -78,8 +75,7 @@ struct Qdisc
         struct gnet_stats_queue qstats;
 };
 
-struct Qdisc_class_ops
-{
+struct Qdisc_class_ops {
         /* Child qdisc manipulation */
         struct netdev_queue *   (*select_queue)(struct Qdisc *, struct tcmsg *);
         int                     (*graft)(struct Qdisc *, unsigned long cl,
@@ -108,8 +104,7 @@ struct Qdisc_class_ops
                                         struct gnet_dump *);
 };
 
-struct Qdisc_ops
-{
+struct Qdisc_ops {
         struct Qdisc_ops        *next;
         const struct Qdisc_class_ops    *cl_ops;
         char                    id[IFNAMSIZ];
@@ -133,14 +128,12 @@ struct Qdisc_ops
 };
 
 
-struct tcf_result
-{
+struct tcf_result {
         unsigned long   class;
         u32             classid;
 };
 
-struct tcf_proto_ops
-{
+struct tcf_proto_ops {
         struct tcf_proto_ops    *next;
         char                    kind[IFNAMSIZ];
 
@@ -164,8 +157,7 @@ struct tcf_proto_ops
         struct module           *owner;
 };
 
-struct tcf_proto
-{
+struct tcf_proto {
         /* Fast access part */
         struct tcf_proto        *next;
         void                    *root;
@@ -261,14 +253,12 @@ extern struct Qdisc_ops noop_qdisc_ops;
 extern struct Qdisc_ops pfifo_fast_ops;
 extern struct Qdisc_ops mq_qdisc_ops;
 
-struct Qdisc_class_common
-{
+struct Qdisc_class_common {
         u32                     classid;
         struct hlist_node       hnode;
 };
 
-struct Qdisc_class_hash
-{
+struct Qdisc_class_hash {
         struct hlist_head       *hash;
         unsigned int            hashsize;
         unsigned int            hashmask;
@@ -437,6 +427,25 @@ static inline struct sk_buff *qdisc_dequeue_head(struct Qdisc *sch)
         return __qdisc_dequeue_head(sch, &sch->q);
 }
 
+static inline unsigned int __qdisc_queue_drop_head(struct Qdisc *sch,
+                                              struct sk_buff_head *list)
+{
+        struct sk_buff *skb = __qdisc_dequeue_head(sch, list);
+
+        if (likely(skb != NULL)) {
+                unsigned int len = qdisc_pkt_len(skb);
+                kfree_skb(skb);
+                return len;
+        }
+
+        return 0;
+}
+
+static inline unsigned int qdisc_queue_drop_head(struct Qdisc *sch)
+{
+        return __qdisc_queue_drop_head(sch, &sch->q);
+}
+
 static inline struct sk_buff *__qdisc_dequeue_tail(struct Qdisc *sch,
                                                    struct sk_buff_head *list)
 {