diff options
| -rw-r--r-- | include/net/sch_generic.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index c57504b..7b97405 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -172,4 +172,126 @@ tcf_destroy(struct tcf_proto *tp) kfree(tp); } +static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch, + struct sk_buff_head *list) +{ + __skb_queue_tail(list, skb); + sch->qstats.backlog += skb->len; + sch->bstats.bytes += skb->len; + sch->bstats.packets++; + + return NET_XMIT_SUCCESS; +} + +static inline int qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch) +{ + return __qdisc_enqueue_tail(skb, sch, &sch->q); +} + +static inline struct sk_buff *__qdisc_dequeue_head(struct Qdisc *sch, + struct sk_buff_head *list) +{ + struct sk_buff *skb = __skb_dequeue(list); + + if (likely(skb != NULL)) + sch->qstats.backlog -= skb->len; + + return skb; +} + +static inline struct sk_buff *qdisc_dequeue_head(struct Qdisc *sch) +{ + return __qdisc_dequeue_head(sch, &sch->q); +} + +static inline struct sk_buff *__qdisc_dequeue_tail(struct Qdisc *sch, + struct sk_buff_head *list) +{ + struct sk_buff *skb = __skb_dequeue_tail(list); + + if (likely(skb != NULL)) + sch->qstats.backlog -= skb->len; + + return skb; +} + +static inline struct sk_buff *qdisc_dequeue_tail(struct Qdisc *sch) +{ + return __qdisc_dequeue_tail(sch, &sch->q); +} + +static inline int __qdisc_requeue(struct sk_buff *skb, struct Qdisc *sch, + struct sk_buff_head *list) +{ + __skb_queue_head(list, skb); + sch->qstats.backlog += skb->len; + sch->qstats.requeues++; + + return NET_XMIT_SUCCESS; +} + +static inline int qdisc_requeue(struct sk_buff *skb, struct Qdisc *sch) +{ + return __qdisc_requeue(skb, sch, &sch->q); +} + +static inline void __qdisc_reset_queue(struct Qdisc *sch, + struct sk_buff_head *list) +{ + /* + * We do not know the backlog in bytes of this list, it + * is up to the caller to correct it + */ + skb_queue_purge(list); +} + +static inline void qdisc_reset_queue(struct Qdisc *sch) +{ + __qdisc_reset_queue(sch, &sch->q); + sch->qstats.backlog = 0; +} + +static inline unsigned int __qdisc_queue_drop(struct Qdisc *sch, + struct sk_buff_head *list) +{ + struct sk_buff *skb = __qdisc_dequeue_tail(sch, list); + + if (likely(skb != NULL)) { + unsigned int len = skb->len; + kfree_skb(skb); + return len; + } + + return 0; +} + +static inline unsigned int qdisc_queue_drop(struct Qdisc *sch) +{ + return __qdisc_queue_drop(sch, &sch->q); +} + +static inline int qdisc_drop(struct sk_buff *skb, struct Qdisc *sch) +{ + kfree_skb(skb); + sch->qstats.drops++; + + return NET_XMIT_DROP; +} + +static inline int qdisc_reshape_fail(struct sk_buff *skb, struct Qdisc *sch) +{ + sch->qstats.drops++; + +#ifdef CONFIG_NET_CLS_POLICE + if (sch->reshape_fail == NULL || sch->reshape_fail(skb, sch)) + goto drop; + + return NET_XMIT_SUCCESS; + +drop: +#endif + kfree_skb(skb); + return NET_XMIT_DROP; +} + #endif |
