+--- src/linux/linux/net/sched/sch_htb.c 2003-10-14 01:09:35.000000000 -0700
++++ src/linux/linux.2.4.26/net/sched/sch_htb.c 2004-05-10 00:05:51.000000000 -0700
+@@ -9,6 +9,8 @@
+ * Authors: Martin Devera, <devik@cdi.cz>
+ *
+ * Credits (in time order) for older HTB versions:
++ * Stef Coene <stef.coene@docum.org>
++ * HTB support at LARTC mailing list
+ * Ondrej Kraus, <krauso@barr.cz>
+ * found missing INIT_QDISC(htb)
+ * Vladimir Smelhaus, Aamer Akhter, Bert Hubert
+@@ -17,9 +19,13 @@
+ * code review and helpful comments on shaping
+ * Tomasz Wrona, <tw@eter.tym.pl>
+ * created test case so that I was able to fix nasty bug
++ * Wilfried Weissmann
++ * spotted bug in dequeue code and helped with fix
++ * Jiri Fojtasek
++ * fixed requeue routine
+ * and many others. thanks.
+ *
+- * $Id: sch_htb.c,v 1.1.1.4 2003/10/14 08:09:35 sparq Exp $
++ * $Id: sch_htb.c,v 1.25 2003/12/07 11:08:25 devik Exp devik $
+ */
+ #include <linux/config.h>
+ #include <linux/module.h>
+@@ -71,16 +77,12 @@
+ #define HTB_HYSTERESIS 1/* whether to use mode hysteresis for speedup */
+ #define HTB_QLOCK(S) spin_lock_bh(&(S)->dev->queue_lock)
+ #define HTB_QUNLOCK(S) spin_unlock_bh(&(S)->dev->queue_lock)
+-#define HTB_VER 0x30007 /* major must be matched with number suplied by TC as version */
++#define HTB_VER 0x30010 /* major must be matched with number suplied by TC as version */
+
+ #if HTB_VER >> 16 != TC_HTB_PROTOVER
+ #error "Mismatched sch_htb.c and pkt_sch.h"
+ #endif
+
+-/* temporary debug defines to be removed after beta stage */
+-#define DEVIK_MEND(N)
+-#define DEVIK_MSTART(N)
+-
+ /* debugging support; S is subsystem, these are defined:
+ 0 - netlink messages
+ 1 - enqueue
+@@ -100,13 +102,16 @@
+ from LSB
+ */
+ #ifdef HTB_DEBUG
+-#define HTB_DBG(S,L,FMT,ARG...) if (((q->debug>>(2*S))&3) >= L) \
++#define HTB_DBG_COND(S,L) (((q->debug>>(2*S))&3) >= L)
++#define HTB_DBG(S,L,FMT,ARG...) if (HTB_DBG_COND(S,L)) \
+ printk(KERN_DEBUG FMT,##ARG)
+ #define HTB_CHCL(cl) BUG_TRAP((cl)->magic == HTB_CMAGIC)
+ #define HTB_PASSQ q,
+ #define HTB_ARGQ struct htb_sched *q,
+ #define static
++#undef __inline__
+ #define __inline__
++#undef inline
+ #define inline
+ #define HTB_CMAGIC 0xFEFAFEF1
+ #define htb_safe_rb_erase(N,R) do { BUG_TRAP((N)->rb_color != -1); \
+@@ -114,6 +119,7 @@
+ rb_erase(N,R); \
+ (N)->rb_color = -1; } while (0)
+ #else
++#define HTB_DBG_COND(S,L) (0)
+ #define HTB_DBG(S,L,FMT,ARG...)
+ #define HTB_PASSQ
+ #define HTB_ARGQ
+@@ -219,6 +225,9 @@
+ /* time of nearest event per level (row) */
+ unsigned long near_ev_cache[TC_HTB_MAXDEPTH];
+
++ /* cached value of jiffies in dequeue */
++ unsigned long jiffies;
++
+ /* whether we hit non-work conserving class during this dequeue; we use */
+ int nwc_hit; /* this to disable mindelay complaint in dequeue */
+
+@@ -297,7 +306,7 @@
+ rules in it */
+ if (skb->priority == sch->handle)
+ return HTB_DIRECT; /* X:0 (direct flow) selected */
+- if ((cl = htb_find(skb->priority,sch)) != NULL)
++ if ((cl = htb_find(skb->priority,sch)) != NULL && cl->level == 0)
+ return cl;
+
+ tcf = q->filter_list;
+@@ -338,7 +347,7 @@
+ static void htb_debug_dump (struct htb_sched *q)
+ {
+ int i,p;
+- printk(KERN_DEBUG "htb*g j=%lu\n",jiffies);
++ printk(KERN_DEBUG "htb*g j=%lu lj=%lu\n",jiffies,q->jiffies);
+ /* rows */
+ for (i=TC_HTB_MAXDEPTH-1;i>=0;i--) {
+ printk(KERN_DEBUG "htb*r%d m=%x",i,q->row_mask[i]);
+@@ -421,26 +430,24 @@
+ if ((delay <= 0 || delay > cl->mbuffer) && net_ratelimit())
+ printk(KERN_ERR "HTB: suspicious delay in wait_tree d=%ld cl=%X h=%d\n",delay,cl->classid,debug_hint);
+ #endif
+- DEVIK_MSTART(9);
+- cl->pq_key = jiffies + PSCHED_US2JIFFIE(delay);
+- if (cl->pq_key == jiffies)
++ cl->pq_key = q->jiffies + PSCHED_US2JIFFIE(delay);
++ if (cl->pq_key == q->jiffies)
+ cl->pq_key++;
+
+ /* update the nearest event cache */
+- if (q->near_ev_cache[cl->level] - cl->pq_key < 0x80000000)
++ if (time_after(q->near_ev_cache[cl->level], cl->pq_key))
+ q->near_ev_cache[cl->level] = cl->pq_key;
+
+ while (*p) {
+ struct htb_class *c; parent = *p;
+ c = rb_entry(parent, struct htb_class, pq_node);
+- if (cl->pq_key - c->pq_key < 0x80000000)
++ if (time_after_eq(cl->pq_key, c->pq_key))
+ p = &parent->rb_right;
+ else
+ p = &parent->rb_left;
+ }
+ rb_link_node(&cl->pq_node, parent, p);
+ rb_insert_color(&cl->pq_node, &q->wait_pq[cl->level]);
+- DEVIK_MEND(9);
+ }
+
+ /**
+@@ -453,12 +460,14 @@
+ {
+ rb_node_t *p;
+ if ((*n)->rb_right) {
++ /* child at right. use it or its leftmost ancestor */
+ *n = (*n)->rb_right;
+ while ((*n)->rb_left)
+ *n = (*n)->rb_left;
+ return;
+ }
+ while ((p = (*n)->rb_parent) != NULL) {
++ /* if we've arrived from left child then we have next node */
+ if (p->rb_left == *n) break;
+ *n = p;
+ }
+@@ -602,7 +611,7 @@
+ long toks;
+
+ if ((toks = (cl->ctokens + *diff)) < (
+-#ifdef HTB_HYSTERESIS
++#if HTB_HYSTERESIS
+ cl->cmode != HTB_CANT_SEND ? -cl->cbuffer :
+ #endif
+ 0)) {
+@@ -610,7 +619,7 @@
+ return HTB_CANT_SEND;
+ }
+ if ((toks = (cl->tokens + *diff)) >= (
+-#ifdef HTB_HYSTERESIS
++#if HTB_HYSTERESIS
+ cl->cmode == HTB_CAN_SEND ? -cl->buffer :
+ #endif
+ 0))
+@@ -689,7 +698,6 @@
+ struct htb_sched *q = (struct htb_sched *)sch->data;
+ struct htb_class *cl = htb_classify(skb,sch);
+
+- DEVIK_MSTART(0);
+ if (cl == HTB_DIRECT || !cl) {
+ /* enqueue to helper queue */
+ if (q->direct_queue.qlen < q->direct_qlen && cl) {
+@@ -698,25 +706,20 @@
+ } else {
+ kfree_skb (skb);
+ sch->stats.drops++;
+- DEVIK_MEND(0);
+ return NET_XMIT_DROP;
+ }
+ } else if (cl->un.leaf.q->enqueue(skb, cl->un.leaf.q) != NET_XMIT_SUCCESS) {
+ sch->stats.drops++;
+ cl->stats.drops++;
+- DEVIK_MEND(0);
+ return NET_XMIT_DROP;
+ } else {
+ cl->stats.packets++; cl->stats.bytes += skb->len;
+- DEVIK_MSTART(1);
+ htb_activate (q,cl);
+- DEVIK_MEND(1);
+ }
+
+ sch->q.qlen++;
+ sch->stats.packets++; sch->stats.bytes += skb->len;
+- HTB_DBG(1,1,"htb_enq_ok cl=%X skb=%p\n",cl?cl->classid:0,skb);
+- DEVIK_MEND(0);
++ HTB_DBG(1,1,"htb_enq_ok cl=%X skb=%p\n",(cl && cl != HTB_DIRECT)?cl->classid:0,skb);
+ return NET_XMIT_SUCCESS;
+ }
+
+@@ -725,16 +728,18 @@
+ {
+ struct htb_sched *q = (struct htb_sched *)sch->data;
+ struct htb_class *cl = htb_classify(skb,sch);
++ struct sk_buff *tskb;
+
+ if (cl == HTB_DIRECT || !cl) {
+ /* enqueue to helper queue */
+ if (q->direct_queue.qlen < q->direct_qlen && cl) {
+- __skb_queue_tail(&q->direct_queue, skb);
+- q->direct_pkts++;
++ __skb_queue_head(&q->direct_queue, skb);
+ } else {
+- kfree_skb (skb);
+- sch->stats.drops++;
+- return NET_XMIT_DROP;
++ __skb_queue_head(&q->direct_queue, skb);
++ tskb = __skb_dequeue_tail(&q->direct_queue);
++ kfree_skb (tskb);
++ sch->stats.drops++;
++ return NET_XMIT_CN;
+ }
+ } else if (cl->un.leaf.q->ops->requeue(skb, cl->un.leaf.q) != NET_XMIT_SUCCESS) {
+ sch->stats.drops++;
+@@ -744,7 +749,7 @@
+ htb_activate (q,cl);
+
+ sch->q.qlen++;
+- HTB_DBG(1,1,"htb_req_ok cl=%X skb=%p\n",cl?cl->classid:0,skb);
++ HTB_DBG(1,1,"htb_req_ok cl=%X skb=%p\n",(cl && cl != HTB_DIRECT)?cl->classid:0,skb);
+ return NET_XMIT_SUCCESS;
+ }
+
+@@ -819,7 +824,7 @@
+ cl->classid, diff,
+ (unsigned long long) q->now,
+ (unsigned long long) cl->t_c,
+- jiffies);
++ q->jiffies);
+ diff = 1000;
+ }
+ #endif
+@@ -862,6 +867,7 @@
+ *
+ * Scans event queue for pending events and applies them. Returns jiffies to
+ * next pending event (0 for no event in pq).
++ * Note: Aplied are events whose have cl->pq_key <= jiffies.
+ */
+ static long htb_do_events(struct htb_sched *q,int level)
+ {
+@@ -876,9 +882,9 @@
+ while (p->rb_left) p = p->rb_left;
+
+ cl = rb_entry(p, struct htb_class, pq_node);
+- if (cl->pq_key - (jiffies+1) < 0x80000000) {
+- HTB_DBG(8,3,"htb_do_ev_ret delay=%ld\n",cl->pq_key - jiffies);
+- return cl->pq_key - jiffies;
++ if (time_after(cl->pq_key, q->jiffies)) {
++ HTB_DBG(8,3,"htb_do_ev_ret delay=%ld\n",cl->pq_key - q->jiffies);
++ return cl->pq_key - q->jiffies;
+ }
+ htb_safe_rb_erase(p,q->wait_pq+level);
+ diff = PSCHED_TDIFF_SAFE(q->now, cl->t_c, (u32)cl->mbuffer, 0);
+@@ -889,7 +895,7 @@
+ cl->classid, diff,
+ (unsigned long long) q->now,
+ (unsigned long long) cl->t_c,
+- jiffies);
++ q->jiffies);
+ diff = 1000;
+ }
+ #endif
+@@ -916,6 +922,7 @@
+ rb_node_t **pptr;
+ } stk[TC_HTB_MAXDEPTH],*sp = stk;
+
++ BUG_TRAP(tree->rb_node);
+ sp->root = tree->rb_node;
+ sp->pptr = pptr;
+
+@@ -949,16 +956,36 @@
+ htb_dequeue_tree(struct htb_sched *q,int prio,int level)
+ {
+ struct sk_buff *skb = NULL;
+- //struct htb_sched *q = (struct htb_sched *)sch->data;
+ struct htb_class *cl,*start;
+ /* look initial class up in the row */
+- DEVIK_MSTART(6);
+ start = cl = htb_lookup_leaf (q->row[level]+prio,prio,q->ptr[level]+prio);
+
+ do {
+- BUG_TRAP(cl && cl->un.leaf.q->q.qlen); if (!cl) return NULL;
++next:
++ BUG_TRAP(cl);
++ if (!cl) return NULL;
+ HTB_DBG(4,1,"htb_deq_tr prio=%d lev=%d cl=%X defic=%d\n",
+ prio,level,cl->classid,cl->un.leaf.deficit[level]);
++
++ /* class can be empty - it is unlikely but can be true if leaf
++ qdisc drops packets in enqueue routine or if someone used
++ graft operation on the leaf since last dequeue;
++ simply deactivate and skip such class */
++ if (unlikely(cl->un.leaf.q->q.qlen == 0)) {
++ struct htb_class *next;
++ htb_deactivate(q,cl);
++
++ /* row/level might become empty */
++ if ((q->row_mask[level] & (1 << prio)) == 0)
++ return NULL;
++
++ next = htb_lookup_leaf (q->row[level]+prio,
++ prio,q->ptr[level]+prio);
++ if (cl == start) /* fix start if we just deleted it */
++ start = next;
++ cl = next;
++ goto next;
++ }
+
+ if (likely((skb = cl->un.leaf.q->dequeue(cl->un.leaf.q)) != NULL))
+ break;
+@@ -971,8 +998,6 @@
+ cl = htb_lookup_leaf (q->row[level]+prio,prio,q->ptr[level]+prio);
+ } while (cl != start);
+
+- DEVIK_MEND(6);
+- DEVIK_MSTART(7);
+ if (likely(skb != NULL)) {
+ if ((cl->un.leaf.deficit[level] -= skb->len) < 0) {
+ HTB_DBG(4,2,"htb_next_cl oldptr=%p quant_add=%d\n",
+@@ -984,11 +1009,8 @@
+ gives us slightly better performance */
+ if (!cl->un.leaf.q->q.qlen)
+ htb_deactivate (q,cl);
+- DEVIK_MSTART(8);
+ htb_charge_class (q,cl,level,skb->len);
+- DEVIK_MEND(8);
+ }
+- DEVIK_MEND(7);
+ return skb;
+ }
+
+@@ -1002,9 +1024,8 @@
+ printk(KERN_INFO "HTB delay %ld > 5sec\n", delay);
+ delay = 5*HZ;
+ }
+- del_timer(&q->timer);
+- q->timer.expires = jiffies + delay;
+- add_timer(&q->timer);
++ /* why don't use jiffies here ? because expires can be in past */
++ mod_timer(&q->timer, q->jiffies + delay);
+ sch->flags |= TCQ_F_THROTTLED;
+ sch->stats.overlimits++;
+ HTB_DBG(3,1,"htb_deq t_delay=%ld\n",delay);
+@@ -1016,7 +1037,11 @@
+ struct htb_sched *q = (struct htb_sched *)sch->data;
+ int level;
+ long min_delay;
++#ifdef HTB_DEBUG
++ int evs_used = 0;
++#endif
+
++ q->jiffies = jiffies;
+ HTB_DBG(3,1,"htb_deq dircnt=%d qlen=%d\n",skb_queue_len(&q->direct_queue),
+ sch->q.qlen);
+
+@@ -1027,27 +1052,26 @@
+ return skb;
+ }
+
+- DEVIK_MSTART(2);
+ if (!sch->q.qlen) goto fin;
+ PSCHED_GET_TIME(q->now);
+
+- min_delay = HZ*5;
++ min_delay = LONG_MAX;
+ q->nwc_hit = 0;
+ for (level = 0; level < TC_HTB_MAXDEPTH; level++) {
+ /* common case optimization - skip event handler quickly */
+ int m;
+ long delay;
+- DEVIK_MSTART(3);
+- if (jiffies - q->near_ev_cache[level] < 0x80000000 || 0) {
++ if (time_after_eq(q->jiffies, q->near_ev_cache[level])) {
+ delay = htb_do_events(q,level);
+- q->near_ev_cache[level] += delay ? delay : HZ;
++ q->near_ev_cache[level] = q->jiffies + (delay ? delay : HZ);
++#ifdef HTB_DEBUG
++ evs_used++;
++#endif
+ } else
+- delay = q->near_ev_cache[level] - jiffies;
++ delay = q->near_ev_cache[level] - q->jiffies;
+
+ if (delay && min_delay > delay)
+ min_delay = delay;
+- DEVIK_MEND(3);
+- DEVIK_MSTART(5);
+ m = ~q->row_mask[level];
+ while (m != (int)(-1)) {
+ int prio = ffz (m);
+@@ -1056,29 +1080,29 @@
+ if (likely(skb != NULL)) {
+ sch->q.qlen--;
+ sch->flags &= ~TCQ_F_THROTTLED;
+- DEVIK_MEND(5);
+ goto fin;
+ }
+ }
+- DEVIK_MEND(5);
+ }
+- DEVIK_MSTART(4);
+ #ifdef HTB_DEBUG
+- if (!q->nwc_hit && min_delay >= 5*HZ && net_ratelimit()) {
+- printk(KERN_ERR "HTB: mindelay=%ld, report it please !\n",min_delay);
+- htb_debug_dump(q);
++ if (!q->nwc_hit && min_delay >= 10*HZ && net_ratelimit()) {
++ if (min_delay == LONG_MAX) {
++ printk(KERN_ERR "HTB: dequeue bug (%d,%lu,%lu), report it please !\n",
++ evs_used,q->jiffies,jiffies);
++ htb_debug_dump(q);
++ } else
++ printk(KERN_WARNING "HTB: mindelay=%ld, some class has "
++ "too small rate\n",min_delay);
+ }
+ #endif
+- htb_delay_by (sch,min_delay);
+- DEVIK_MEND(4);
++ htb_delay_by (sch,min_delay > 5*HZ ? 5*HZ : min_delay);
+ fin:
+- HTB_DBG(3,1,"htb_deq_end %s j=%lu skb=%p\n",sch->dev->name,jiffies,skb);
+- DEVIK_MEND(2);
++ HTB_DBG(3,1,"htb_deq_end %s j=%lu skb=%p\n",sch->dev->name,q->jiffies,skb);
+ return skb;
+ }
+
+ /* try to drop from each class (by prio) until one succeed */
+-static int htb_drop(struct Qdisc* sch)
++static unsigned int htb_drop(struct Qdisc* sch)
+ {
+ struct htb_sched *q = (struct htb_sched *)sch->data;
+ int prio;
+@@ -1086,14 +1110,15 @@
+ for (prio = TC_HTB_NUMPRIO - 1; prio >= 0; prio--) {
+ struct list_head *p;
+ list_for_each (p,q->drops+prio) {
+- struct htb_class *cl = list_entry(p,struct htb_class,
+- un.leaf.drop_list);
++ struct htb_class *cl = list_entry(p, struct htb_class,
++ un.leaf.drop_list);
++ unsigned int len;
+ if (cl->un.leaf.q->ops->drop &&
+- cl->un.leaf.q->ops->drop(cl->un.leaf.q)) {
++ (len = cl->un.leaf.q->ops->drop(cl->un.leaf.q))) {
+ sch->q.qlen--;
+ if (!cl->un.leaf.q->q.qlen)
+ htb_deactivate (q,cl);
+- return 1;
++ return len;
+ }
+ }
+ }
+@@ -1208,7 +1233,8 @@
+ gopt.direct_pkts = q->direct_pkts;
+
+ #ifdef HTB_DEBUG
+- htb_debug_dump(q);
++ if (HTB_DBG_COND(0,2))
++ htb_debug_dump(q);
+ #endif
+ gopt.version = HTB_VER;
+ gopt.rate2quantum = q->rate2quantum;
+@@ -1289,6 +1315,9 @@
+ return -ENOBUFS;
+ sch_tree_lock(sch);
+ if ((*old = xchg(&cl->un.leaf.q, new)) != NULL) {
++ if (cl->prio_activity)
++ htb_deactivate ((struct htb_sched*)sch->data,cl);
++
+ /* TODO: is it correct ? Why CBQ doesn't do it ? */
+ sch->q.qlen -= (*old)->q.qlen;
+ qdisc_reset(*old);
+@@ -1323,7 +1352,7 @@
+
+ while ((tp = *fl) != NULL) {
+ *fl = tp->next;
+- tp->ops->destroy(tp);
++ tcf_destroy(tp);
+ }
+ }
+
+@@ -1371,11 +1400,16 @@
+ #ifdef HTB_RATECM
+ del_timer_sync (&q->rttim);
+ #endif
++ /* This line used to be after htb_destroy_class call below
++ and surprisingly it worked in 2.4. But it must precede it
++ because filter need its target class alive to be able to call
++ unbind_filter on it (without Oops). */
++ htb_destroy_filters(&q->filter_list);
++
+ while (!list_empty(&q->root))
+ htb_destroy_class (sch,list_entry(q->root.next,
+ struct htb_class,sibling));
+
+- htb_destroy_filters(&q->filter_list);
+ __skb_queue_purge(&q->direct_queue);
+ MOD_DEC_USE_COUNT;
+ }
+@@ -1438,12 +1472,13 @@
+ parent = parentid == TC_H_ROOT ? NULL : htb_find (parentid,sch);
+
+ hopt = RTA_DATA(tb[TCA_HTB_PARMS-1]);
+- HTB_DBG(0,1,"htb_chg cl=%p, clid=%X, opt/prio=%d, rate=%u, buff=%d, quant=%d\n", cl,cl?cl->classid:0,(int)hopt->prio,hopt->rate.rate,hopt->buffer,hopt->quantum);
++ HTB_DBG(0,1,"htb_chg cl=%p(%X), clid=%X, parid=%X, opt/prio=%d, rate=%u, buff=%d, quant=%d\n", cl,cl?cl->classid:0,classid,parentid,(int)hopt->prio,hopt->rate.rate,hopt->buffer,hopt->quantum);
+ rtab = qdisc_get_rtab(&hopt->rate, tb[TCA_HTB_RTAB-1]);
+ ctab = qdisc_get_rtab(&hopt->ceil, tb[TCA_HTB_CTAB-1]);
+ if (!rtab || !ctab) goto failure;
+
+ if (!cl) { /* new class */
++ struct Qdisc *new_q;
+ /* check for valid classid */
+ if (!classid || TC_H_MAJ(classid^sch->handle) || htb_find(classid,sch))
+ goto failure;
+@@ -1467,6 +1502,10 @@
+ cl->magic = HTB_CMAGIC;
+ #endif
+
++ /* create leaf qdisc early because it uses kmalloc(GFP_KERNEL)
++ so that can't be used inside of sch_tree_lock
++ -- thanks to Karlis Peisenieks */
++ new_q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops);
+ sch_tree_lock(sch);
+ if (parent && !parent->level) {
+ /* turn parent into inner node */
+@@ -1485,8 +1524,7 @@
+ memset (&parent->un.inner,0,sizeof(parent->un.inner));
+ }
+ /* leaf (we) needs elementary qdisc */
+- if (!(cl->un.leaf.q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops)))
+- cl->un.leaf.q = &noop_qdisc;
++ cl->un.leaf.q = new_q ? new_q : &noop_qdisc;
+
+ cl->classid = classid; cl->parent = parent;
+
+@@ -1514,11 +1552,11 @@
+ if (!cl->level) {
+ cl->un.leaf.quantum = rtab->rate.rate / q->rate2quantum;
+ if (!hopt->quantum && cl->un.leaf.quantum < 1000) {
+- printk(KERN_WARNING "HTB: quantum of class %X is small. Consider r2q change.", cl->classid);
++ printk(KERN_WARNING "HTB: quantum of class %X is small. Consider r2q change.\n", cl->classid);
+ cl->un.leaf.quantum = 1000;
+ }
+ if (!hopt->quantum && cl->un.leaf.quantum > 200000) {
+- printk(KERN_WARNING "HTB: quantum of class %X is big. Consider r2q change.", cl->classid);
++ printk(KERN_WARNING "HTB: quantum of class %X is big. Consider r2q change.\n", cl->classid);
+ cl->un.leaf.quantum = 200000;
+ }
+ if (hopt->quantum)
+--- src/linux/linux/include/net/pkt_cls.h 2003-07-04 01:12:28.000000000 -0700
++++ src/linux/linux.2.4.26/include/net/pkt_cls.h 2004-05-10 22:21:40.000000000 -0700
+@@ -77,11 +77,7 @@
+ return -1;
+ }
+
++static inline void tcf_destroy(struct tcf_proto *tp)
++{
++ tp->ops->destroy(tp);
++ kfree(tp);
++}
+-
+
+ extern int register_tcf_proto_ops(struct tcf_proto_ops *ops);
+ extern int unregister_tcf_proto_ops(struct tcf_proto_ops *ops);
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