diff options
Diffstat (limited to 'net/sched/sch_sfb.c')
| -rw-r--r-- | net/sched/sch_sfb.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c index 9b0f7093d970..5819dd82630d 100644 --- a/net/sched/sch_sfb.c +++ b/net/sched/sch_sfb.c @@ -55,7 +55,7 @@ struct sfb_bins { struct sfb_sched_data { struct Qdisc *qdisc; - struct tcf_proto *filter_list; + struct tcf_proto __rcu *filter_list; unsigned long rehash_interval; unsigned long warmup_time; /* double buffering warmup time in jiffies */ u32 max; @@ -253,13 +253,13 @@ static bool sfb_rate_limit(struct sk_buff *skb, struct sfb_sched_data *q) return false; } -static bool sfb_classify(struct sk_buff *skb, struct sfb_sched_data *q, +static bool sfb_classify(struct sk_buff *skb, struct tcf_proto *fl, int *qerr, u32 *salt) { struct tcf_result res; int result; - result = tc_classify(skb, q->filter_list, &res); + result = tc_classify(skb, fl, &res); if (result >= 0) { #ifdef CONFIG_NET_CLS_ACT switch (result) { @@ -281,6 +281,7 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch) struct sfb_sched_data *q = qdisc_priv(sch); struct Qdisc *child = q->qdisc; + struct tcf_proto *fl; int i; u32 p_min = ~0; u32 minqlen = ~0; @@ -289,7 +290,7 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch) struct flow_keys keys; if (unlikely(sch->q.qlen >= q->limit)) { - sch->qstats.overlimits++; + qdisc_qstats_overlimit(sch); q->stats.queuedrop++; goto drop; } @@ -306,9 +307,10 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch) } } - if (q->filter_list) { + fl = rcu_dereference_bh(q->filter_list); + if (fl) { /* If using external classifiers, get result and record it. */ - if (!sfb_classify(skb, q, &ret, &salt)) + if (!sfb_classify(skb, fl, &ret, &salt)) goto other_drop; keys.src = salt; keys.dst = 0; @@ -346,7 +348,7 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch) sfb_skb_cb(skb)->hashes[slot] = 0; if (unlikely(minqlen >= q->max)) { - sch->qstats.overlimits++; + qdisc_qstats_overlimit(sch); q->stats.bucketdrop++; goto drop; } @@ -374,7 +376,7 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch) } } if (sfb_rate_limit(skb, q)) { - sch->qstats.overlimits++; + qdisc_qstats_overlimit(sch); q->stats.penaltydrop++; goto drop; } @@ -409,7 +411,7 @@ enqueue: increment_qlen(skb, q); } else if (net_xmit_drop_count(ret)) { q->stats.childdrop++; - sch->qstats.drops++; + qdisc_qstats_drop(sch); } return ret; @@ -418,7 +420,7 @@ drop: return NET_XMIT_CN; other_drop: if (ret & __NET_XMIT_BYPASS) - sch->qstats.drops++; + qdisc_qstats_drop(sch); kfree_skb(skb); return ret; } @@ -660,7 +662,8 @@ static void sfb_walk(struct Qdisc *sch, struct qdisc_walker *walker) } } -static struct tcf_proto **sfb_find_tcf(struct Qdisc *sch, unsigned long cl) +static struct tcf_proto __rcu **sfb_find_tcf(struct Qdisc *sch, + unsigned long cl) { struct sfb_sched_data *q = qdisc_priv(sch); |