tcp: fix outsegs stat for TSO segments

[safe/jmp/linux-2.6] / include / net / sch_generic.h

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index a92dc62..03ca5d8 100644 (file)
--- 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;
@@ -46,6 +43,7 @@ struct Qdisc
 #define TCQ_F_THROTTLED                2
 #define TCQ_F_INGRESS          4
 #define TCQ_F_CAN_BYPASS       8
+#define TCQ_F_MQROOT           16
 #define TCQ_F_WARN_NONWC       (1 << 16)
        int                     padded;
        struct Qdisc_ops        *ops;
@@ -75,11 +73,12 @@ struct Qdisc
        struct sk_buff_head     q;
        struct gnet_stats_basic_packed bstats;
        struct gnet_stats_queue qstats;
+       struct rcu_head     rcu_head;
 };
 
-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,
                                        struct Qdisc *, struct Qdisc **);
        struct Qdisc *          (*leaf)(struct Qdisc *, unsigned long cl);
@@ -106,8 +105,7 @@ 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];
@@ -122,6 +120,7 @@ struct Qdisc_ops
        void                    (*reset)(struct Qdisc *);
        void                    (*destroy)(struct Qdisc *);
        int                     (*change)(struct Qdisc *, struct nlattr *arg);
+       void                    (*attach)(struct Qdisc *);
 
        int                     (*dump)(struct Qdisc *, struct sk_buff *);
        int                     (*dump_stats)(struct Qdisc *, struct gnet_dump *);
@@ -130,14 +129,12 @@ 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];
 
@@ -161,8 +158,7 @@ struct tcf_proto_ops
        struct module           *owner;
 };
 
-struct tcf_proto
-{
+struct tcf_proto {
        /* Fast access part */
        struct tcf_proto        *next;
        void                    *root;
@@ -255,15 +251,15 @@ static inline void sch_tree_unlock(struct Qdisc *q)
 
 extern struct Qdisc noop_qdisc;
 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;
@@ -432,6 +428,25 @@ 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)
 {