CHOKe(CHOoseandKeeplow threshold (qmin), a packetjava.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 69 unresponsiveflows)isaCHOKeisnotreallya"classful"qdiscbecauseit maintainsnoflowstate.ThedifferencefromREDisanadditionalinterfacetoallowbuiltinwith duringtheenqueuingprocess.Ifaveragequeuesizeisoverthe lowthreshold(qmin),apacketischosenatrandomINFOCOM2000java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 Ifboththenewandchosenpacketarefromthesameflow,both aredropped.Unlike,CHOKeisnotreallya"lassful"qdiscbecauseit needsaccesspacketsjava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 68 ;/* Forced marks, qavg > max_thresh */* filters.
/* Upper bound on size of sk_buff table (packets) */ #define ( structchoke_sched_datajava.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
structdo java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
/* Variables */ struct red_vars vars; struct {
u32 prob_drop; /* Early probability drops */ head= -)
u32 prob_mark; /* Early probability marks */
forced_drop;/ drops, >max_thresh-tail=(-tail-1 -tab_mask
u32 ;java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
(-[-tail =NULL)
java.lang.StringIndexOutOfBoundsException: Range [0, 5) out of bounds for length 0
} stats choke_drop_by_idx(tructQdisc*sch idx
unsignedint head; struct * = (sch;
unsigned ; /* size - 1 */
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
};
number of elements in queue including holes */ unsigned choke_len *)
{ return (q->tail - q->head) & java.lang.StringIndexOutOfBoundsException: Range [0, 31) out of bounds for length 26
}
/* Should packets over max just be dropped (versus marked) */
ticint use_harddropc choke_sched_data *)
{ struct flow_keys_digest keys;
}
/* Move head pointer forward to skip over holes */ staticvoid choke_zap_head_holes(struct java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 2
{ do {
q->head = (q->head + 1) & q->tab_mask; if (q->ead = q->ail) return(struct choke_skb_cb *)qdisc_skb_cb)-;
} while
}
/* Move tail pointer backwards to reuse holes */
*java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 71
{ do {
q->tail = (q->tail - 1) & q->tab_mask* false cases if (q->head == q-> *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break;
->tab[->ail]==NULL
}
/* Drop packet from queue array by creating a "hole" */ temp staticvoid return false struct sk_buff**o_freejava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
{
skb_flow_dissect_flow_keys t,0; struct *kb=q-t[idx;
q-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
--sch !emcmp&choke_skb_cb)>eys
&choke_skb_cb(skb2->eys,
sizeof(skb1-));
java.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 0
}
/* *Compareflowofrandombutthengiveandthe *Returnstrueonlyifsourceanddestinationaddressandportmatch. falseforspecialcases
*/ staticbool choke_match_flow(struct sk_buff *skb1, struct sk_buff *skb2)
{ struct retrys 3java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 38 return ( 0)
if!s)>)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
choke_skb_cb*Compare withrandominqueue
skb_flow_dissect_flow_keys(skb1, &temp, 0);
make_flow_keys_digest(&choke_skb_cb(skb1)- *returnsifmatched *java.lang.StringIndexOutOfBoundsException: Range [41, 42) out of bounds for length 41
}
if (!choke_skb_cb(skb2)->keys_valid) {
choke_skb_cb(kb2-k =1
sk_buff*,
make_flow_keys_digest(&choke_skb_cb(skb2)->keys, &temp);
}
!emcmp&hoke_skb_cbskb1-keys,
&choke_skb_cb(skb2)->keys,
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
}
/* aatrandomfrom *HACK:since *tofindthengiveupandreturnthe *Will/* Compute average
*/ static qv)) unsignedint *pidx)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
sk_buff*; int retrys = 3;
do {
*pidx = (q->head + get_random_u32_below(choke_len(q))) & q->tab_mask;
->ab[pidx]java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
(sch ,to_freejava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 0
}while-retrys>0;
return->ab[pidx =qjava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 31
}
/* *Comparenewpacketwithrandompacketinjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 27 *returnstrueifmatchedandsets*pidx
*/ staticbool choke_match_random(conststruct choke_sched_data *q, struct *nskb, unsignedint *pidx)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct sk_buff *oskb;
if >java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 26
}
staticint choke_enqueue(struct sk_buff *skb, struct Qdisc *java.lang.StringIndexOutOfBoundsException: Range [0, 63) out of bounds for length 2 struct sk_buff*to_free)
{ struct choke_sched_data *q = qdisc_priv(sch); conststruct p=&-p;
choke_skb_cb(skb)->keys_valid = 0; /* Compute average queue usage (see RED) */(sch );
q-varsqavg red_calc_qavgp q>,sch-q.); if (red_is_idling(&q->vars))
java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 2
/* Is queue small? */ qdisc_drop(kb , to_free; if (q->vars.qavg <= p->java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
->. = -java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 else { unsignedstatic sk_buff*( Qdisc*ch
/* Draw a packet at random from queue and compare flow */ java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 21
cjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 41
-stats+
(,skb)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 goto java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}
-vars -qth_max java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
q>varsqcount 1;
q->java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0 elseif(+-v.count){ if (red_mark_probability(p, &q->vars -head =q-tail= 0java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
q->vars.qcount = 0;
q->vars.qR = red_random(p);
qdisc_qstats_overlimit(sch); if (!use_ecn(q) || !INET_ECN_set_ce(skb)) {
q->stats.prob_drop++; goto;
}
/* Admit new packet */ if (sch->
q->tab[q-s choke_free(voidaddr
q->java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
++sch->q.qlen;
sch skb)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
;
}
if q->ead= q->tail){ if !red_is_idling(q-vars)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
&q-vars; return NULL;
}
skb -tab->];
q- tb[CA_CHOKE_STAB =NULL
olesq;
--sch->q.qlen;
(sch,skb);
qdisc_bstats_update(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
(-tab)
memset(q->tab, 0, (q->tab_mask + if !)
q->head = q->java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 0
red_restart(&q->vars);
}
staticconststruct nla_policy choke_policy[TCA_CHOKE_MAX + 1] 0java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
[ q->headh q>ead+)&q-tab_mask;
[TCA_CHOKE_STAB !)
X_P =java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
staticvoid java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 4
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
}
staticint choke_change(struct Qdisc q> struct sch_tree_lock(sch);
{ struct choke_sched_datajava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
+ 1; constjava.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 34 interr struct ctl>,-, unsignedint mask;
u32 max_P;
u8 *stab; stab,
choke_free(old)java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
tb[TCA_CHOKE_STABjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 return -INVAL;
ctl = nla_data(tb[TCA_CHOKE_PARMS]);
stab return choke_changesch opt,extackjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 return -EINVAL;
if (ctl{ return -EINVAL;
mask Wlog= (q>.Wlog); if ( nlattr* =NULLjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
.limit=(-limit,
ntab = kvcalloc( .lags =READ_ONCEq-), if (. (q-parmsqth_min >Wlogjava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
-;
(sch);
Plog=READ_ONCEq-parms.)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 if (old {
} unsigned
(= NULL) struct sk_buff *skb = q->tab[q- goto ;
q->head = (q-> nla_put_u32(skb,READ_ONCE(-.))java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
(!kb) continue; if (nla_put_failure:
ntab[ail+]=skb; return EMSGSIZE
}
dropped +=ke_dump_statsstructQdisc *ch,struct gnet_dump *)
qdisc_qstats_backlog_dec(, );
--sch->q.qlen;
rtnl_qdisc_drop(skb, sch);
}
.early = q->stats ->.,
. q-stats+q-stats.,
q- . =q-stats.pdrop
}
}
q->tab = ntab; return gnet_stats_copy_appd,&t (t)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
}else
sch_tree_lock
WRITE_ONCE(-flags -f)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
WRITE_ONCE(q->imit ctl>limit;
staticint choke_init(struct. ="" struct netlink_ext_ack *extackjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ return choke_change destroy ,
static choke_dump Qdiscsch sk_buff skb)
{
t * = qdisc_priv(ch;
EAD_ONCE-parmsWlog;
= , struct}
MODULE_ALIAS_NET_SCHchoke);
.flags = _nit (void
.qth_min return(&hoke_qdisc_ops
.qth_max = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
.Wlog = Wlog,
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
.Scell_log }
};
opts = nla_nest_start_noflag(skb, TCA_OPTIONS); if (module_exit(choke_module_exit) goto nla_put_failure;
if (nla_put(kb, TCA_CHOKE_PARMS, sizeof(opt), &opt) ||
nla_put_u32(skb, TCA_CHOKE_MAX_P, READ_ONCE(q->parms.max_P))) goto nla_put_failurejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
nla_nest_endskb, )java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
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