diff options
Diffstat (limited to 'kernel/include/net/sch_generic.h')
| -rw-r--r-- | kernel/include/net/sch_generic.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/kernel/include/net/sch_generic.h b/kernel/include/net/sch_generic.h index b2a8e6338..e5bba897d 100644 --- a/kernel/include/net/sch_generic.h +++ b/kernel/include/net/sch_generic.h @@ -396,7 +396,8 @@ struct Qdisc *dev_graft_qdisc(struct netdev_queue *dev_queue, struct Qdisc *qdisc); void qdisc_reset(struct Qdisc *qdisc); void qdisc_destroy(struct Qdisc *qdisc); -void qdisc_tree_decrease_qlen(struct Qdisc *qdisc, unsigned int n); +void qdisc_tree_reduce_backlog(struct Qdisc *qdisc, unsigned int n, + unsigned int len); struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue, const struct Qdisc_ops *ops); struct Qdisc *qdisc_create_dflt(struct netdev_queue *dev_queue, @@ -407,6 +408,15 @@ bool tcf_destroy(struct tcf_proto *tp, bool force); void tcf_destroy_chain(struct tcf_proto __rcu **fl); int skb_do_redirect(struct sk_buff *); +static inline bool skb_at_tc_ingress(const struct sk_buff *skb) +{ +#ifdef CONFIG_NET_CLS_ACT + return G_TC_AT(skb->tc_verd) & AT_INGRESS; +#else + return false; +#endif +} + /* Reset all TX qdiscs greater then index of a device. */ static inline void qdisc_reset_all_tx_gt(struct net_device *dev, unsigned int i) { @@ -698,6 +708,23 @@ static inline void qdisc_reset_queue(struct Qdisc *sch) sch->qstats.backlog = 0; } +static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new, + struct Qdisc **pold) +{ + struct Qdisc *old; + + sch_tree_lock(sch); + old = *pold; + *pold = new; + if (old != NULL) { + qdisc_tree_reduce_backlog(old, old->q.qlen, old->qstats.backlog); + qdisc_reset(old); + } + sch_tree_unlock(sch); + + return old; +} + static inline unsigned int __qdisc_queue_drop(struct Qdisc *sch, struct sk_buff_head *list) { |