diff options
Diffstat (limited to 'net/sched/sch_api.c')
-rw-r--r-- | net/sched/sch_api.c | 73 |
1 files changed, 39 insertions, 34 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index d92ea26..13c09bc 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -278,11 +278,7 @@ static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer) wd->qdisc->flags &= ~TCQ_F_THROTTLED; smp_wmb(); - if (spin_trylock(&dev->queue_lock)) { - qdisc_run(dev); - spin_unlock(&dev->queue_lock); - } else - netif_schedule(dev); + netif_schedule(dev); return HRTIMER_NORESTART; } @@ -1149,47 +1145,57 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb) to this qdisc, (optionally) tests for protocol and asks specific classifiers. */ +int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp, + struct tcf_result *res) +{ + __be16 protocol = skb->protocol; + int err = 0; + + for (; tp; tp = tp->next) { + if ((tp->protocol == protocol || + tp->protocol == htons(ETH_P_ALL)) && + (err = tp->classify(skb, tp, res)) >= 0) { +#ifdef CONFIG_NET_CLS_ACT + if (err != TC_ACT_RECLASSIFY && skb->tc_verd) + skb->tc_verd = SET_TC_VERD(skb->tc_verd, 0); +#endif + return err; + } + } + return -1; +} +EXPORT_SYMBOL(tc_classify_compat); + int tc_classify(struct sk_buff *skb, struct tcf_proto *tp, - struct tcf_result *res) + struct tcf_result *res) { int err = 0; - __be16 protocol = skb->protocol; + __be16 protocol; #ifdef CONFIG_NET_CLS_ACT struct tcf_proto *otp = tp; reclassify: #endif protocol = skb->protocol; - for ( ; tp; tp = tp->next) { - if ((tp->protocol == protocol || - tp->protocol == htons(ETH_P_ALL)) && - (err = tp->classify(skb, tp, res)) >= 0) { + err = tc_classify_compat(skb, tp, res); #ifdef CONFIG_NET_CLS_ACT - if ( TC_ACT_RECLASSIFY == err) { - __u32 verd = (__u32) G_TC_VERD(skb->tc_verd); - tp = otp; - - if (MAX_REC_LOOP < verd++) { - printk("rule prio %d protocol %02x reclassify is buggy packet dropped\n", - tp->prio&0xffff, ntohs(tp->protocol)); - return TC_ACT_SHOT; - } - skb->tc_verd = SET_TC_VERD(skb->tc_verd,verd); - goto reclassify; - } else { - if (skb->tc_verd) - skb->tc_verd = SET_TC_VERD(skb->tc_verd,0); - return err; - } -#else - - return err; -#endif + if (err == TC_ACT_RECLASSIFY) { + u32 verd = G_TC_VERD(skb->tc_verd); + tp = otp; + + if (verd++ >= MAX_REC_LOOP) { + printk("rule prio %u protocol %02x reclassify loop, " + "packet dropped\n", + tp->prio&0xffff, ntohs(tp->protocol)); + return TC_ACT_SHOT; } - + skb->tc_verd = SET_TC_VERD(skb->tc_verd, verd); + goto reclassify; } - return -1; +#endif + return err; } +EXPORT_SYMBOL(tc_classify); void tcf_destroy(struct tcf_proto *tp) { @@ -1256,4 +1262,3 @@ EXPORT_SYMBOL(qdisc_get_rtab); EXPORT_SYMBOL(qdisc_put_rtab); EXPORT_SYMBOL(register_qdisc); EXPORT_SYMBOL(unregister_qdisc); -EXPORT_SYMBOL(tc_classify); |