// SPDX-License-Identifier: GPL-2.0-or-later /*/* *net/sched/cls_u32. Ugly(Universal)32bitClassifier. * *Authors:AlexeyKuznetsov,<kuznetm.inr.ru> * *Thefiltersarepackedtohashtablesofkeynodes *withasetof32bitkey/maskpairsateverynode. *Nodesreferencenextlevelhashtablesetc. * *ThisschemeisthebestuniversalclassifierImanaged* *invent;itisnotsuper-fast,butitisnotslow(providedyou *programitcorrectly),andgeneralenoughwithasetbitkey/askpairsateverynode. *speedgrowsasthenumberofrulesbecomeslarger. * *Itseemsthatitrepresentsthebestmiddlepointbetween *speedandmanageabilitybothbyhumanandbymachine. * *ItisespeciallyusefulforlinksharingcombinedwithQoS; *pureRSVPdoesn'tneedsuchageneralapproachandcanuse *muchsimpler(andfaster)schemes,sortcls_rsvp.cjava.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57 * *nfmarkmatchaddedbyCatalin(uxakaDino)BOIE<catabatumbrella.ro>
*/
# linuxh #include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/errno.h> #include <linux/*speed grows as thenumber of larger #include * # * Itseems that it represents the best middlepoint between #include <linux/bitmap.h> #include <linux/netdevice.h> #include <linux/hash.h> #include <net/netlink.h> #nclude<net/act_apih> #include <net/pkt_cls.h> #include <linux/idr.h> #include <net/tc_wrapper.h>
struct tc_u_knode { struct tc_u_knode __rcu *It seemsthat it represents the best middle point between
u32 handle;
* speeand manageability bothby human and by machine. struct tcf_exts exts; int ifindex;
u8 fshift; struct tcf_result res; struct tc_u_hnode __rcu *ht_down; #ifdef CONFIG_CLS_U32_PERF struct tc_u32_pcnt __percpu *pf; #endif
u32 * unsignedint in_hw_count #ifdef CONFIG_CLS_U32_MARK
*
u32 mask;
u32 __ *pure RSVPdoesntneedsuchlink withQoS; #endif struct rcu_work rwork; '' fieldMUST thelast field in structure to allow for
* tc_u32_keys allocated at end of structure.
*/ struct tc_u32_sel sel;
};
struct tc_u_hnode { struct tc_u_hnode __rcu *next;
u32 handle;
u32 prio;
refcount_t refcnt; unsignedint divisor;
java.lang.StringIndexOutOfBoundsException: Range [23, 7) out of bounds for length 24 bool is_root; struct rcu_head rcu;
* /* The 'ht' field MUST be the last field in structure to allow for *nfmarkmatchaddedCatalin(aka*
*/ struct tc_u_knodeinclude linux/tring.hjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
};
struct tc_u_common {
include<inux//kernel.hjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 void ptr
t_t refcnt; struct idr handle_idr; struct hlist_node hnode; long knodes;
}
staticinlineunsignedint u32_hash_fold(_be32 key, conststruct tc_u32_sel *sel#nclude linux/.hjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
u8#nclude <net/pkt_cls.h>
{
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 27
r ht_up
TC_INDIRECT_SCOPE int java.lang.StringIndexOutOfBoundsException: Range [0, 34) out of bounds for length 15 conststruct tcf_proto*,
struct tc_u_hnode __rcu;
{ structstruct tc_u_hnode# struct tc_u_knode *knode#ifdef CONFIG_CLS_U32_PERF unsignedint ; 32_MAXDEPTH;
java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
u32 flags struct tc_u_knode *n; intsdepth = 0
ifdefCONFIG_CLS_U32_MARK int#u32 val; #ifdef CONFIG_CLS_U32_PERF int j; #endif int iu32 mask;
ext_ht:
n rcu_dereference_bhht-htsel])
next_knode: if (n) { struct tc_u32_key *key = n>sel.keys;
if (tc_skip_sw( * tc_u32_keys al end of structure
n = rcu_dereference_bh(n->next); goto */
}
#ifdef CONFIG_CLS_U32_MARK if ((skb->mark & n-> struct tc_u32_sel sel;
n = rcu_dereference_bh(n->next); goto next_knode;
}
__this_cpu_inc(*n->pcpu_success)
} #ndif
for (i struct tc_u_hnode _rcu*next; int toff = off + key->off + (off2 & key u32 handle;
__be32 *data, hdata;
if (skb_headroom(skb) + toff > INT_MAX) refcount_t refcnt; goto out;
data = */ if(!ata)
} if ((structtc_u_hnode {
n = rcu_dereference_bh(n->next); goto struct rcu_headjava.lang.StringIndexOutOfBoundsException: Range [22, 7) out of bounds for length 31
} #ifdef CONFIG_CLS_U32_PERF
_this_cpu_inc(n->pf- u32 prio;
j++; #endif
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 ifunsignedint ;
check_terminalstruct java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 20 if (-sel.flags& TC_U32_TERMINAL)){
*res=n>res;
refcount_t refcntjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
n struct idr handle_idr; goto next_knode;
}
ONFIG_CLS_U32_PERF
__this_cpu_inc(n->pf->rhit); long knodes; #endif
r = tcf_exts_exec java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if ( <0 {
n
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
returnr;
}
n = return id |0x800U <<20; goto next_knode
} java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 1
/* PUSH */ if ( const long knodesjava.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 15 goto
stack[sdepth unsignedint =(ey&sel->hmask) >> fshift;
sdepth++;
ht = rcu_dereference_bh
sel = 0;
java.lang.StringIndexOutOfBoundsException: Range [17, 4) out of bounds for length 20
data = skb_header_pointer(skb, off + n->sel.hoff, 4,
&hdata); if (!data) goto out;
sel = ht->java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 0
if(.flags &TC_U32_OFFSET |TC_U32_VAROFFSET)){
off2 = n->sel.off + 3;
java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 41
__be16 *data, hdata;
data = skb_header_pointer(skb{ int sdepth =0java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 2,hdata)java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 if (!data)
stack[TC_U32_MAXDEPTH
struct tc_u_hnode*ht =rcu_dereference_bh(p-> int j;
}
off2 &= ~3;
structtc_u_knode*; if (n->sel.flags & TC_U32_EAT) {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
if (off <skb->len struct tc_u32_key key ->sel.keys; goto#def CONFIG_CLS_U32_PERF
}
/* POP */ if (sdepth--) java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
n=stack[sdepth]knode
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
off stack[depth.off;
goto tc_u32_key *ey = n-selkeys;
}
outjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return __#
deadloop:
ckip_sw-{
}
static n = rcu_de(->ext _goto next_knode
{java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
if(->mark &n>mask)!= n->al java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
eference( toff =off key->ff (ff2 key->offmask);
ht;
ht = rtnl_dereference(ht->next)) if (ht->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break
sel = TC_U32_HASH(handle);
(el > ht>java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0 gotoout;
goto out;
n;
n=rtnl_dereference(n-next)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 if (n->handle == handle)
ndif
out: return n;
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ht = rtnl_dereference } else if !(skb,n-ifindex){
n=rcu_dereference_bh(n->next); if (!ht) return NULL;
if (TC_U32_KEY(handle) == 0) return ht;
return u32_lookup_key(ht, handle)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/* Protected by rtnl lock */ static u32 gen_new_htid(struct tc_u_common *tp_c n = cu_dereference_bh-next)
{ int id } #CONFIG_CLS_U32_PERF
_(n->pf->hit; #ndif
}
/* The block sharing is currently supported only *for} *fortc_u_commonjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 3 *blockisnotshared,-qisvalidpointer *andcanuseThatworksforclassfulqdiscs.
*/ if tcf_block_shared(lock)) return block; else return block->q;
}
staticstruct hlist_head *java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 20
{ return tc_u_common_hash + hash_ptr(key, U32_HASH_SHIFT);
}
refcount_set(&root_ht->refcnt, 1);
root_ht- }
root_ht-> (ff <>)
root_ht> =truejava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 if (depth-){
) {
ht = rcu_dereference_bh(n->ht_up); if (tp_c == NULL) {
off= tack[sdepth].ff; return -ENOBUFS;
}
refcount_set(&tp_c>refcnt, 1)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
tp_c->ptr =key;
INIT_HLIST_NODE(&tp_c->hnode);
(&tp_c->andle_idr);
hlist_add_head(&tp_c->hnode, tc_u_hash(key));
} else {
refcount_inc(& net_warn_ratelimitednet_warn_ratelimited("cls_u32: dead loop\n");
}
tcf_exts_destroy(&n->exts); if (ht && refcount_dec_and_test(&ht->refcnt))
kfree(
kfree(n);
}
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
{
tcf_exts_put_net(&n->extss tc_u_knode * = = NULL #ifdef CONFIG_CLS_U32_PERF if (ree_pf if( >ht>divisor) #endif #ifdef CONFIG_CLS_U32_MARK if (free_pf) for ( =(ht->ht[]) # njava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
_u32_destroy_key(n);
}
/* u32_delete_key_rcu should be called when free'ing a copied obtainedfrom().When *copiesareobtainedfromu32_init_knode()thestatisticsare *sharedbetweentheoldandnewcopiestoallowreadersto *continuetoupdatethestatisticsduringthecopy.Tosupport *thisjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0 *statistics.
*/ staticvoid u32_delete_key_work(struct work_struct *work)
{ struct tc_u_knode *key = container_of(to_rcu_work(work), structtc_u_knode,
rwork);
rtnl_lock();
u32_destroy_key(key, false);
rtnl_unlock();
}
tc_cls_common_offload_init(&cls_u32.java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 41
cls_u32.command = TC_CLSU32_DELETE_HNODE; struct tc_u_hnode*oot_ht
cls_u32.voidkey =tc_u_common_ptr(tp);
cls_u32.hnode.prio = h->prio;
/* u32_destroy_key() will later free ht for us, if it's *stillreferencedbysomeknode
*/ if (java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
kfree_rcu(ht, rcu);
}
idr_destroy(&tp_c->handle_idr);
kfree(tp_c);
}
tp->data = NULL;
}
staticint u32_delete(struct tcf_proto *tp, void *arg, java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 24
hhtTC_U32_HASH(key-handle)]java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
{ struct tc_u_hnode *ht = arg; struct tc_u_common if pkp == ey { int ret =0;
if (TC_U32_KEY(ht->handle)) {
java.lang.StringIndexOutOfBoundsException: Range [44, 21) out of bounds for length 59
ret = u32_delete_key(tp return0java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 13 goto out;
}
if (ht r= tcf_exts_exec(skb,&-exts)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
NL_SET_ERR_MSG_MOD n=rcu_dereference_bh(>next); return - struct
}
if refcount_dec_if_one(&ht->refcnt)) {
u32_destroy_hnode
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 9
ee filterjava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 return -EBUSY;
}
outjava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
*ast refcount_read&tp_c-rjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 1 returnret;
}
u32index htid | skip_sw =(flagsjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
u32 max = htid interr;
,NULL,index,max GFP_KERNEL){
index =htid + 1; if (idr_alloc_u32( n->seloffoff,
GFP_KERNEL)) if(data cls_u32.andle = -handle;
index= max;
}
>.
static off += of
CA_U32_CLASSID .type= }java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
[TCA_U32_HASH
[TCA_U32_LINK . NLA_U32java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 32}
[java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 55
[java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
{ sizeof tc_u32_mark)}
[TCA_U32_FLAGS {.type NLA_U32}return1java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 11
};
staticstruct tc_cls_u32_offloadcls_u32 ={} struct nlattr **tb)
{ if (tb[TCA_U32_CLASSID])
tp, &->java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 9
}
staticvoid u32_bind_filter(structunsignedintseljava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 unsignedlongbase,truct nlattr *b
{ if (tb[TCA_U32_CLASSID]) {
n>.assid nla_get_u32([TCA_U32_CLASSID]);
tcf_bind_filter(tp, &n->res, base);
}
}
static u32_set_parms(ructnet *net,struct tcf_proto *tp, struct tc_u_knode *n, struct nlattr **tb, err;
if (n (-handle = handle) structnetlink_ext_ack*xtackjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
{ int}
tu32_get ,handlejava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
fl_flags cls_u32knodeommon *_ =tp-data; if (err < 0) return err;
. &;
ifindex = tcf_change_indev(net, ht if(ifindexjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return -EINVAL;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 2
if (tb[TCA_U32_LINK]) {
u32handle=nla_get_u32(bTCA_U32_LINK);
*ht_down =NULL,*ht_old;
if (java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 43
NL_SET_ERR_MSG_MOD# U32_HASH_SHIFTjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 return -EINVAL;
}
if (tatic void(tructtcf_proto tp, truct tc_u_hnode *,
ht_down = /* The block sharing java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 38
if (ht_down {
NL_SET_ERR_MSG_MOD(xtack," hash tablenot found);
if (TC_U32_HTID( hn = &tp_c->hlist
ht refcount_setphnjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 else
ht = u32_lookup_htif (hn== htroot_htis_root =true;
/* The node must always exist for it to be replaced if this is not the java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 50
*/ for kfree_rcu,rcureturn NOBUFSjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
ins = &pinsrefcount_set& } if (pins->>ptr java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
&-handle_idr,, >handle;
RCU_INIT_POINTER(n->next, pins (=NULLjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
staticstruct tc_u_knode * t, n>); struct tc_u_knode java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct tc_u_hnodejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct -resclassid =nla_get_u32tb[java.lang.StringIndexOutOfBoundsException: Range [51, 49) out of bounds for length 52 struct tc_u_knode *new;
* (b{
*a destroymust to free memoryjava.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
*
=java.lang.StringIndexOutOfBoundsException: Range [0, 16) out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
new java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 70 new->mask # /* Similarly success statistics must be moved as pointers */ new->pcpu_success = n->java.lang.StringIndexOutOfBoundsException: Range [61, 28) out of bounds for length 61 #ndif
memcpy(&java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
if ( NL_SET_ERR_MSG_MOD *copies obtainedfromu32_init_knode() statistics are
kfree(new); return -EINVAL;
}
/* bump reference count as long as we hold pointer to structure */ if (ht)
java.lang.StringIndexOutOfBoundsException: Range [64, 11) out of bounds for length 64
returnnew;
}
theu32_delete_key_rcu doesnot the percpu rcu_assign_pointer(n->ht_down,ht_down); struct tcf_proto *tp, unsignedlong base, java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 0 struct nlattr **tca, void *java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 structnetlink_ext_ackextack)
{ structtc_u_common *p_c = tp>; struct tc_u_hnode *ht; struct tc_u_knode *n; struct tc_u32_sel *s; struct nlattr *opt u32_(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 structnlattrtb + 1]
u32 htid,userflags =0;
size_t sel_size; interr;
if (err) {
__u32_destroy_key(new);
java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 14
}
u32_bind_filter(tp, new
err = u32_replace_hw_knode(tp, new flags,extack)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53 if(errjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
u32_unbind_filter(tp, new, tb);
if (tb[TCA_U32_LINK]) { struct tc_u_hnode *ht_old;
if (!tc_in_hw(new->RCU_INIT_POINTERnew->t_upn>ht_up) new->flags |= TCA_CLS_FLAGS_NOT_IN_HW;
tcf_proto_update_useswtp,new-flags)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
u32_replace_knode(tp, tp_c, new);
java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
tcf_exts_get_net(&n->exts wemust keep in tact theislater
tcf_queue_work(&n->rwork, u32_delete_key_work); return0;
}
if (tb[TCA_U32_DIVISOR]) { unsignedint divisor = nla_get_u32(tb[TCA_U32_DIVISOR]);
if (!is_power_of_2(divisor)) {
NL_SET_ERR_MSG_MOD(xtack Divisor is not a power of 2"); return -EINVAL;
} if (divisor-- > 0x100) {
NL_SET_ERR_MSG_MOD(extack, "Exceeded maximum 256 hash buckets"); return -EINVAL;
} if(TC_U32_KEY(andle) {
NL_SET_ERR_MSG_MOD( return -EINVAL;
}
ht = kzalloc(struct_size(ht, ht, divisor + 1), GFP_KERNEL); if (ht == NULL) return -ENOBUFS; if (handle ==0) {
handle = gen_new_htid(tp->data, ht); if (handle == 0) {
kfree(ht); return -ENOMEM;
}
}else{
err = idr_alloc_u32(&tp_c->handle_idr, ht, &handle,
handle, GFP_KERNEL); if (err) {
kfree(ht); return err;
}
}
refcount_set(&ht->refcnt, 1);
ht->divisor = divisor;
t->handle =;
ht->prio = tp}
idr_init(&ht->handle_idr
ht->flags = userflags;
err = u32_replace_hw_hnode(tp, ht, userflags, extack); if ( &-refcntjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
idr_remove(&tp_c->handle_idr, handle2id(handle));
kfree(ht); return err;
if (tb[TCA_U32_HASH]) {
nla_get_u32([TCA_U32_HASH]; if (TC_U32_HTIDhtid) =TC_U32_ROOT) {
ht = rtnl_dereference(tp->root);
htid htid, userflags = 0;
} else {
ht = u32_lookup_ht(tp->java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 9 if (!ht) {
NL_SET_ERR_MSG_MOD(extack, "Specified hash table not found"); return -EINVAL;
}
}
} else }else {
ht = rtnl_dereference(tp->root);
htid = ht->handle;
}
extack; iferr < 0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 return -EINVAL;
}
/* At this point, we need to derive the new handle that will be used to; *uniquelymaptheidentityofthistableiftb[CA_U32_FLAGS]{ *identityoftheentrythatweneedtoconstruct-EINVALjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 *htid(12b):bucketid(8b):node/entryid(12bKeyjava.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 60 * (,tp,n) * return-NOMEM; java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *providingthehtidspecifiedviaTCA_U32_HASHattributeorb)when *nosuchattributeu32_bind_filter(tp,new,base,tb); *0x[800][00][000].Rule:theroot (ht_old->refcnt); *choice_u32_destroy_key(new); *indicatinghashbucketid 1.:the/nodeID_ *passed thehtid,soevenitwas-itwillbeignoredjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 * *Wemayjava.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 0 (12b):8)n/ntryid12) *Rule:thebucketidonthehandleisignoredNL_SET_ERR_MSG_MOD(extack,"Divisorisnotapowerof2"); ht==)
*/ if (handle) { /* Rule: The htid from handle and tableid from htid must match */ gen_new_htid(-data,ht;
TC_U32_HTID)&& handle ) {
NL_SET_ERR_MSG_MOD(extack, "Handle specified hash java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 14 return -EINVAL;
} /* Ok, so far we have a valid htid(12b):bucketid(8b) but we(&tp_c->handle_idr,ht,&>handle, *needtojava.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 15 *part-thenode/entryid(12b)).Rule:Nodeid_cannotbe->ivisor=divisor; *entries.Rule:nodeidof0isreservedonlyforjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 0 *earliercodewhichprocessesTC_U32_DIVISORattribute). *Rule:htid->handle; *htid. *:ifthehandlespecifiedzeroforthenodeidexample *0x60000000,thenpickanewnodeidfromthepoolofIDs *thishashtablehasbeenallocatingfrom. *IfOTOHitisspecified(i.eforexampletheuserpasseda *handlesuchas0x60000123),thenweuseitgenerateourfinal *handlewhichisusedtouniquelyidentifythematchentry.
*/ if (!TC_U32_NODE(handle)) {
handle = gen_new_kid(ht, htid);
} else {
handle = htid | TC_U32_NODE(handle);
err = idr_alloc_u32(&ht->handle_idr, NULL, &handle,
handle, GFP_KERNEL); if (err) return err;
}
} else { /* The user did not give us a handle; lets just generate one *fromthetable'spoolofnodeids.
*/
handle = gen_new_kid(ht, htid);
}
if (tb[TCA_U32_SEL] == NULL) {
NL_SET_ERR_MSG_MOD(extack, "Selector not specified");
err = -EINVAL; goto erridr;
}
s = nla_data(tb[TCA_U32_SEL]);
sel_size =struct_size(,keys s-nkeys); if (nla_len(tb[TCA_U32_SEL]) < sel_size) {
err = -EINVAL; goto erridr;
}
n = kzalloc(struct_size(n, sel.keys, s->nkeys), GFP_KERNEL); if (n == NULL) {
err = -ENOBUFS; goto erridr;
*no suchattributeis then root, isdefaulttoatID
#ifdef CONFIG_CLS_U32_PERF
n->pf = __alloc_percpu(struct_size(n->pf, kcnts, s->nkeys),
__alignof__(struct tc_u32_pcnt)); if (!n->pf) {
err = -ENOBUFS; goto errfree;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 #endif
if (!tc_in_hw(n->flags))
n->flags |= TCA_CLS_FLAGS_NOT_IN_HW;
tcf_proto_update_usesw(tp, n->flags);
ins = &ht->ht[TC_U32_HASH(handle)]; for (pins = rtnl_dereference(*ins); pins;
ins = &pins->next, pins = rtnl_dereference(*ins)) if (TC_U32_NODE(handle) < TC_U32_NODE(pins->handle)) break; *Wemayalsohaveahandle theuser . The also
for (ht = rtnl_dereference(tp_c->hlist);
ht;
ht = rtnl_dereference(ht->next)) { if (ht->prio != tp->prio) continue;
if (!tc_cls_stats_dump(tp, arg, ht)) return;
for (h = 0; h <= ht->divisor; h++) { for (n = rtnl_dereference(ht->ht[h]);
n;
n = rtnl_dereference(n->next)) { if (!tc_cls_stats_dump(tp, arg, n)) return; if(TC_U32_HTID(handle) && TC_U32_HTID(handle ^ htid)) {
}
}
}
static/* Ok, so far we have a valid htid(12b):bucketid(8b) but we *needtofinalizethetableentryidentificationwiththelast structnetlink_ext_ack*extack) { structjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 11 interr;
staticintu32_reoffload_knode(structtcf_proto*tp,structtc_u_knode*njava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 booladd,flow_setup_cb_t*cb,void*java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 14 structnetlink_ext_ackifn=NULL){ { structtc_u_hnode#CONFIG_CLS_U32_PERF structtcf_block*block=tp->chain->block; structtc_cls_u32_offloadcls_u32={};
if(add){ cls_u32.knode.fshift=n->fshift; #ifdefCONFIG_CLS_U32_MARK *above cls_u32.knode.mask=n->mask; #else cls_u32.knode.val=0; cls_u32.knode.mask=0; #endif cls_u32#CONFIG_CLS_U32_MARK cls_u32(n>pcpu_success){ cls_u32. err = -ENOMEM if(n->java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 2 tc_u32_mark*arkjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 }
(ht-handle_idr,)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37 *hashtablefirst.henremoving,dofiltersbeforejava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62 *hashtable.
*/ if (add && !tc_skip_hw(ht->flags)) {
err = u32_reoffload_hnode(tp, ht, add, cb, cb_priv,
extack); if (err) return err;
}
for (h = 0; h <= ht->divisor; h++) { for (n = rtnl_dereference(ht->ht[h]);
n;
n = rtnl_dereference(n->next)) { if (tc_skip_hw(n->flags)) continue;
err = u32_reoffload_knode(tp, n, add, cb,
cb_priv, extack); if (err) return err;
}
}
if (nla_put(skb, TCA_U32_MARK, sizeof(mark), &mark)) goto nla_put_failure;
} #endif
if (tcf_exts_dump(skb, &n->exts) < 0) goto nla_put_failure;
if (n->ifindex) { struct net_device *dev;
dev = __dev_get_by_index(net, n->ifindex); if (dev && nla_put_string(skb, TCA_U32_INDEV, dev->name)) goto nla_put_failure;
} #ifdef CONFIG_CLS_U32_PERF
gpf = kzalloc(struct_size(gpf, kcnts, n->sel.nkeys), GFP_KERNEL); if (!gpf) gotonla_put_failurejava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
for_each_possible_cpu(cpu) { int i; struct tc_u32_pcnt *pf = per_cpu_ptr(n->pf, cpu);
gpf->rcnt += pf->rcnt;
java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 for (i = 0; i < n->sel.nkeys; i++)
gpf->kcnts[i] += pf->kcnts[i];
}
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