diff options
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/act_mirred.c | 2 | ||||
| -rw-r--r-- | net/sched/cls_u32.c | 13 | ||||
| -rw-r--r-- | net/sched/sch_fq_codel.c | 22 |
3 files changed, 34 insertions, 3 deletions
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index a42a3b257226..268545050ddb 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -98,6 +98,8 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, return ret; ret = ACT_P_CREATED; } else { + if (bind) + return 0; if (!ovr) { tcf_hash_release(a, bind); return -EEXIST; diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index cab9e9b43967..4fbb67430ce4 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -490,6 +490,19 @@ static bool u32_destroy(struct tcf_proto *tp, bool force) return false; } } + + if (tp_c->refcnt > 1) + return false; + + if (tp_c->refcnt == 1) { + struct tc_u_hnode *ht; + + for (ht = rtnl_dereference(tp_c->hlist); + ht; + ht = rtnl_dereference(ht->next)) + if (!ht_empty(ht)) + return false; + } } if (root_ht && --root_ht->refcnt == 0) diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index 21ca33c9f036..a9ba030435a2 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -288,10 +288,26 @@ begin: static void fq_codel_reset(struct Qdisc *sch) { - struct sk_buff *skb; + struct fq_codel_sched_data *q = qdisc_priv(sch); + int i; - while ((skb = fq_codel_dequeue(sch)) != NULL) - kfree_skb(skb); + INIT_LIST_HEAD(&q->new_flows); + INIT_LIST_HEAD(&q->old_flows); + for (i = 0; i < q->flows_cnt; i++) { + struct fq_codel_flow *flow = q->flows + i; + + while (flow->head) { + struct sk_buff *skb = dequeue_head(flow); + + qdisc_qstats_backlog_dec(sch, skb); + kfree_skb(skb); + } + + INIT_LIST_HEAD(&flow->flowchain); + codel_vars_init(&flow->cvars); + } + memset(q->backlogs, 0, q->flows_cnt * sizeof(u32)); + sch->q.qlen = 0; } static const struct nla_policy fq_codel_policy[TCA_FQ_CODEL_MAX + 1] = { |