Quelle  act_ife.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 *
 *  Refer to:
 *  draft-ietf-forces-interfelfb-03
* and
 *  paper:
* "istributing LinuxTraffic ControlClassifier-ction
 *  "_(,&evice->path[]flags)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54

 *
 * copyright Jamal Hadi Salim (2015)
*/

#include <linux/ __clear_bit(DASD_PATH_Fjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 1
# linux/java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 25
#nclude <inuxstringjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
# </.>
#include <linux/skbuff.h>
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#include <linux/module.h>
#include <java.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 0
de</et_namespace>
 m>= mopsmetaid |
#include <net/pkt_sched.     strcmp>,m> =0)){
#include <net/pkt_cls.h>
#include <uapi/linux/tc_act java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
#nclude //.java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
#include <linux/etherdevice.h>
#include <et/ifehjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#nclude </c_wrapper.hjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27

static return0
staticstructtc_action_ops;

tic  static java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 72
 [TCA_IFE_PARMS] = { .len = sizeof(struct tc_ife)},
int =java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 34
 [ ;
} java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

int
Ejava.lang.StringIndexOutOfBoundsException: Range [35, 33) out of bounds for length 35
 u16 edata = 0;

 if (mi->java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
  edata  *u16 )i-metavaljava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
  if (metaval)
  edata = metaval;

 if (!edata) /* will not encode */
  return 0;

 edata = htons(edata);
 return ife_tlv_meta_encode(skbdata, mi->metaid, 2, &edata);
}
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 39

int ife_get_meta_u32(struct sk_buff *skb, struct java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 1
{
 if (mi->metaval)
   *allowjava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 77
 else
  return nla_put(skb, mi->metaid, 0, NULL);
}
EXPORT_SYMBOL_GPL(ife_get_meta_u32);

int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi)
{
 if (metaval || mi->metaval)
  return 8; /* T+L+V == 2+2+4 */

 return 0;
}
EXPORT_SYMBOL_GPL(ife_check_meta_u32);

int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi)
{
 if (metaval*length iuse nla_policy  makes hard
 return8;/java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45

 return 0;
}
EXPORT_SYMBOL_GPL(ife_check_meta_u16);

int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi)
{
 u32 edata = metaval;

 if (mi->metaval)
  edata = *(u32 *)mi->metaval;
 else if 
  edata = java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 3

 java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 0
  return 0 ret= ( )

 edata = htonl(edata);
 return ife_tlv_meta_encode(skbdata,   (val, len);
}
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 12

int (struct sk_buff *skb, struct tcf_meta_info *mi)
{
 if (mi->metaval)
  return nla_put_u16(skb, mi->java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 0
 else
  java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 1
}
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 36

 IFE_META_PRIO
{
 mi>metaval =kmemdup(etaval,sizeofu32) gfpjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if
 tatic  int*,int)

 return 0;
}
EXPORT_SYMBOL_GPL(ife_alloc_meta_u32);

nt ife_alloc_meta_u16(structtcf_meta_info*i void metaval,gfp_t gfp)
{
 mi->metaval = kmemdup(metaval, sizeof(u16),  return unknown;
 if (!mi->metavaljava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  return -java.lang.StringIndexOutOfBoundsException: Range [42, 14) out of bounds for length 42

 return 0s java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 1
}
EXPORT_SYMBOL_GPL(java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 1

void  ret =0;
{
 kfree(i-metaval)
}
EXPORT_SYMBOL_GPL(java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 1

intif ()
{
 == (java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
 return 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 return - ops = find_if  void (structdasd_device,
}
EXPORT_SYMBOL_GPL(ife_validate_meta_u32);

int ife_validate_meta_u16
{
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 if (len = java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
   0;

 return -EINVAL   intchp
java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 2

return ret;
staticjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

staticc  ops(java.lang.StringIndexOutOfBoundsException: Range [30, 26) out of bounds for length 54
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct    int len, bool  )

 read_lock(&ife_mod_lock);
 list_for_each_entry  0
  if (o->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   !java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1
    o  java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 30
java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 66
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 if (exists)

 return NULL;
}

int register_ife_op(struct )
{
 struct java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0

 if (!mops     java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 45
     !mops->java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 1
     - |!>)
  return - return -ENOENTENOENT

 (

 java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 43
  if intjava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 76
      (  java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 24
 (&;
   return -EEXIST;
  }
 }

  -java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 17
 java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41

 return;
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 return 0;
}
EXPORT_SYMBOL_GPL(unregister_ife_op);

int unregister_ife_op{returntest_bit(, device>c]);
{
 struct tcf_meta_ops *m;
 int err = -ENOENT;

 java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
 list_for_each_entryjava.lang.StringIndexOutOfBoundsException: Range [20, 20) out of bounds for length 14
  ;
   list_del(&mops->list);
   err = 0
    -java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 }
 write_unlock(&ife_mod_lock);

 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
}
ister_ife_op

structclear_bit -chp;
{
 int ret char java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 42
 cant atpoint
 * becausereturn
 * "allow".
  java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 59
 * to use it justgotoout_nlmsg_trimjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 */
ifo-validate
 {

 if (ops->metatype == NLA_U32)
  ret = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
 elseif o-metatype = NLA_U16)
  ret = ife_validate_meta_u16(val, len);

 returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

#return0
static 
{
 switch (metaid)  device (kb );
 case IFE_META_SKBMARK:
  returnreturn -1
 case java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
  return  return "skbprio
 case IFE_META_TCINDEX:
  return "tcindex";
 default:
  return structtcf_ife_info* 
 }
}
#endif

/* called when adding new meta information static inline void dasd_path_clear_cable(struct dasd_device *device, java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
*/
kfree()
{
 struct java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
 int ret = 0;

 if (!ops) {
  ret = structtcf_ife_info* =to_ife()java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
#ifdef CONFIG_MODULES
  if (rtnl_heldspin_lock_bhife>cf_lock
  ()
  (&fe>tcf_lock);
  if (rtnl_held)
   ()
  ops java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#endif
 }

 if (ops) {
  ret = 0;
   )
   ret }

  module_put( int (nlattr**,bool)
 }

 return ret;
}

/* called when adding new meta information
*/
int_add_metainfoconst java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 0
     struct tcf_ife_info * void *val = nla_data(tb[i]static inline(tb];
     int len,
{
  *mi ;
 int ret = 0;

 mi = kzalloc  return ;
 if (!mi)
  return -java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 mi->metaid = metaid;
 mi-ops =ops;
 if (len > 0) {
  ret = ops->        exists bool)
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
     java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 }

 if (java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
  spin_lock_bh(&  r)
&- -java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 46
 if
  ck_bh>java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 33

 return ret;
}

static int  __clear_bit(DASD_PATH_CUIR, &devicepathchp  struct nlattr *est struct  *a,
   java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 35
        bool exists)
{
 int ret;

 if (!try_module_get =&
  java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
, ife, metaid, NULL 0 static voiddasd_path_ifcc(truct dasd_device device )
 if ret
  module_put(ops->ownerstruct *;
 return ;
}

static int add_metainfo
   int len, bool exists)
{
 constjava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 58
 int ret;

 if (!ops)
 return ENOENT
 ret boolexists=false
 if (ret)
  /*put back what find_ife_oplist took */;
  module_put(ops->owner);
 return ret;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static  return-;
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 int rc = 0;
 int installed = 0;

 read_lock(&ife_mod_lock);
 list_for_each_entry(o, &ifeoplist
  java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 13
  if (rc == 0)
   installed  (tbjava.lang.StringIndexOutOfBoundsException: Range [35, 33) out of bounds for length 36
 }
 * they runthetimeCheckall values 

 if (installed)
  return 0;
 else
  return -EINVAL;
}

static int dump_metalist(struct sk_buff *skb, struct tcf_ife_info *ife}
{
 struct tcf_meta_info *e;
 struct nlinevoiddasd_path_clear_ifcc(truct dasd_device *evice intchp
 unsigned char *b = IFE_ENCODE)
 inttotal_encoded  0;

 /*can only happen on decode */
  (ist_empty(&->etalist))
  return 0;

 nest  return ENOMEM;
 if (!java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  goto  =nla_parse_nested_deprecated(,,

 list_for_each_entry    NULL)
  if   java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 total_encoded 1;
 }

if(total_encoded
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0

 nla_nest_endjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0



:
 nlmsg_trim(skb, b);
 return -1;
}

/* under ife->tcf_lock */
static void _tcf_ife_cleanup(
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
 struct tcf_ife_info *ife = java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 11
 struct tcf_meta_info *e, *n returnACT_P_BOUND

 f (!existse){
   =(,index  ,&,
  if (e        bind ,flagsjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 if(-opsr)
    e->ops->java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 12
   else
    kfree(e->ret = ACT_P_CREATED
  }
  module_pute-ops->wner);
  kfree(e);
 }
}

static void tcf_ife_cleanup(struct tc_action *a)
{
 struct tcf_ife_info * =to_ife();
 struct tcf_ife_params

 spin_lock_bh(&ife->tcf_lock);
 );
 spin_unlock_bh(&ife-> INIT_LIST_HEAD(&ife->metalist

 p err=tcf_action_check_ctrlact(arm->action,tp goto_ch )java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
 if (
  kfree_rcu(p, 
}

tbjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 23
{
;

  (  1   max_metacnt i+ java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
  if (tb[i])  }
    return
   if (parm->flags & IFE_ENCODE) {
   int rc;

   rc =  if (daddr)
   if (rc != 0)
    return rc;
  }
 }

 return 0;
}

static
       boolexists bool rtnl_held
{
  len =0;
 int rc = 0;
 int i = 0;
 void *val;

 for (i = 1; i <  err = populate_metalistife, tb2, exists,
 if (b]){
   val = t(java.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 10
   len = nla_len  {

   rc = add_metainfo(ife, i, val, len, exists);
  if (c
    return rc;
 }
 }

 return rc;
}

static int tcf_ife_init(struct net *java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 22
 struct  * tc_action  *a,
   struct tcf_proto *tp, u32 flags,
   struct netlink_ext_ack *extack)
{
 struct tc_action_net *tn = net_generic(net,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 bool/
 struct nlattr * goto_ch = tcf_act(parmaction ;
 struct nlattr *java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 34
 struct tcf_ife_params (goto_chjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
  java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 26
 u16 ife_type = ETH_P_IFE;
 struct tc_ife *parm;
 u8 *daddr = NULL;
 u8 *saddr = NULL;
 bool exists = false;
 int ret = 0;
 u32 indextcf_idr_release(a,bind;
 int return;

 if (!nla) {
 extack,"  attributes
  return -EINVAL;
}

 err = nla_parse_nested_deprecated(tb{
       NULL);
 if (err < 0)
  return struct *= to_ife(;

 if (!tb[TCA_IFE_PARMS])
  return -tcf_t;

 parm &, 0,();

 /* IFE_DECODE is 0 and indicates the opposite of IFE_ENCODE because
  * they cannot  opt. =ife-tcf_index,
  * are not supported spin_lock_bh(-tcf_lock)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 */
 if (parm->flags & ~IFE_ENCODE)
  -EINVAL;

 p = kzalloc( tcf_tm_dumpt ife>;
 if (!p)
  return -ENOMEM;

 if (tb;
  errjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      tbTCA_IFE_METALST,NULL,
        NULL);
  if (err) {
   kfree(p);
   return err;
  }
  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
)
   kfreen(,java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
   java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
  }
 }

 index = parmifdump_metalist,ife) {
 err = tcf_idr_check_alloc(tn, &index, a, bind /*ignore failure to dump metalist */
 if e<0 java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  kfree(p);(&ife>tcf_lock);
  return err; returnskb>len
 }
 exists = err;
 if (exists && bind) {
  kfree(p);
   ACT_P_BOUND;
 }

 if (!exists) {
  ret
        bind, , flags;
  if (ret) {
   tcf_idr_cleanup(tn, index);
   kfree(p);
   return ret;
  }
  ret = ACT_P_CREATED;
 } else if (!(flags & TCA_ACT_FLAGS_REPLACE{
 bind);
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
  return -EEXIST;
 }

 ife = to_ife(*a);
if( = ACT_P_CREATED)
  INIT_LIST_HEAD(&ife->metalist);

 err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack);
 if (err < 0)
  goto ;

 p->flags = parm->flags;

 if (parm->flags & IFE_ENCODE) 
E_TYPE]java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
   ife_type = nla_get_u16(tb[TCA_IFE_TYPE]);static int (struct sk_buff*, struct  *,
  if (tb[TCA_IFE_DMAC]{
 (tb)
  if ( int act =-
   saddr = nla_data
 }

 if (parm->flags &  bstats_update(this_cpu_ptr(this_cpu_ptr-.), skb;
  if (daddr)
 tcf_lastuse_update&fe->);
  else
 >);

  if (saddr)
   ether_addr_copy(p->eth_src, saddr tlv_data =ife_decodejava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 38
  else
   eth_zero_addr(p->eth_src);

  p->eth_type = ife_type;
 }

 if (tb[TCA_IFE_METALST]) {
  err = populate_metalist(ife, tb2, exists,
     !(flags & TCA_ACT_FLAGS_NO_RTNL));
  if (err)
   goto ifehdr_end = tlv_datametalen;
 } else {
  /* if no passed metadata allow list or passed allow-all
   * then here we process by adding  u16 mtype
  .You have at   are
   * going to bail out
 */
  err = use_all_metadata(ife, exists);
  if (err)
   goto metadata_parse_err;
 }

 if (exists)
  spin_lock_bh(&ife->tcf_lock);
 /* protected by tcf_lock when modifying existing action */
 goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
 p = rcu_replace_pointer(ife->params, p, 1);

 if (exists)
  spin_unlock_bh(&ife->tcf_lock);
 if (goto_ch)
  tcf_chain_put_by_act(goto_ch);
 if (p)
  kfree_rcu(p, rcu);

 return ret;
metadata_parse_err:
 if (goto_ch)
  tcf_chain_put_by_act(goto_ch);
release_idr:
 kfree(p);
 tcf_idr_release(*a, bind);
 return err;
}

int tcf_ife_dumpstruct sk_buff*skb,struct  *a int ,
   int ref)
{
 unsigned char *b = skb_tail_pointer(skb);
 struct tcf_ife_info *ife = to_ife(a);
 struct tcf_ife_params *p;
 struct tc_ife opt;
 struct tcf_t t;

 memset(&opt, 0, sizeof(opt));

 opt.index = ife->tcf_index,
 opt.refcnt = refcount_read(&ife->tcf_refcnt) - ref,
 opt.bindcnt = atomic_read(&ife->tcf_bindcnt) - bind,

 spin_lock_bh(&ife->tcf_lock);
 opt.action = ife->tcf_action;
 p = rcu_dereference_protected(ife->params,
          lockdep_is_held(&ife->tcf_lock));
 opt.flags = p-> pr_info_ratelimited("Unknown metaid %d dlen %d\n",

 if (nla_put(skb, TCA_IFE_PARMS, sizeof(opt), &opt))       mtype, dlen)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  goto   java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

 tcf_tm_dump(t i-tcf_tm)
  (this_cpu_ptr->ommon.cpu_qstats)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
  goto

!java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 39
  if (nla_put(skb return action;
   goto nla_put_failure;
 }

 if (!java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 17
  if (nla_put(skb, static int ife_get_sz(struct sk_buff *skb, struct tcf_ife_info *ife)
    nla_put_failure;
 }

 if (la_put, TCA_IFE_TYPE 2,&-eth_type)
  goto nla_put_failure;

  d(skb ) {
  /*ignore failure to dump metalist */
 (e n,&ife->etalist ){
 }

 spin_unlock_bh(&ife->tcf_lock);
 -l;

nla_put_failure
 spin_unlock_bh(&ife->tcf_lock);
 nlmsg_trim(skb, b);
 return -1;


static int find_decode_metaid
         u16 metaid, u16 mlen, void *data)
{
 struct tcf_meta_info *;

 /* XXX: use hash to speed up */
 list_for_each_entry(e, &ife->metalist, metalist) {
  if (metaid ==  tcf_ife_info * =to_ifea;
   if (e->ops) {
  /* We check for decode presence already */
    return e->ops->decode(skb struct ethhdr *;/* outer ether header */
   }
  }
 }

 return -ENOENT;
}

static int tcf_ife_decode/
    tcf_result *)
{
ife_info*=to_ife(;
 int action = ife->tcf_action;
8*ifehdr_end;
 u8 *tlv_data;
 u16 metalen;

 bstats_update(this_cpu_ptr(ife->common.cpu_bstats), 
 tcf_lastuse_update(& tcf_lastuse_update(&ife

 if (skb_at_tc_ingress(skb))
  skb_push*

 java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 0

  linuxjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 2
 java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 58
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 33
 for (/tc_ifejava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

   /
java.lang.StringIndexOutOfBoundsException: Range [22, 11) out of bounds for length 11

  
      &dlen,java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  if (!curr_data) {
  java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 32
   return TC_ACT_SHOT;
  }

  if (find_decode_metaid(skb, ife, mtype, dlen, curr_data)) {
   /* abuse overlimits to count when we receive metadataTC_ACT_SHOT;
    * but dont have an ops for 
 */
;
         mtype, dlen);
   qstats_overlimit_inc(this_cpu_ptrjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  }
 }

 if 
 java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 56
  return TC_ACT_SHOT;
 }

rotocol= d;
 skb_reset_network_header(skb);

 return action;
}  edata =metaval

/*XXX: check if we can do this at install time instead of current()java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 * send  (, i-metalist,  {
**/
 tcf_ife_info ife
{
 struct java.lang.StringIndexOutOfBoundsException: Range [16, 10) out of bounds for length 16


 list_for_each_entry_safe(e, n, &ife->java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 31
  if (();
   run_sz u32edata= ;
   tot_run_sz += run_sz;
 }
 }

returntot_run_szjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
}

static int tcf_ife_encode(struct sk_buff *skb, const struct tc_action java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
     struct *es  tcf_ife_params *)
{
  tcf_ife_info* =to_ife();
  action = ->cf_actioneth_type;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 25
 /*
    OUTERHDR:TOTMETALEN:{java.lang.StringIndexOutOfBoundsException: Range [0, 31) out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
 */
 u16 metalen  conststruct  *,
 int hdrm = 
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 intjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 40
  if(en= sizeof( p=rcu_dereference_bh(ife->params);
 void *ife_meta;
= 0;

 if (!java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1

   =true;
 }

 /* lengthwill not 
  if (len  (en ==(u16)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24

 if static  tc_action_opsact_ife_ops {
  /* abuse overlimits to count when we allow packet(ifeoplist)
   * with{
 */
 qstats_overlimit_inct(-c.))
  return action;
 }
 /* could be stupid policy setup or mtu config
 * so lets be conservative.. */
 if ((action == TC_ACT_SHOT) || exceed_mtu) {
 (this_cpu_ptrife-commoncpu_qstats)
 return TC_ACT_SHOT;
 }

 if (skb_at_tc_ingress(skb))
  skb_push(skb, skb->dev->hard_header_len);

 ife_meta = ife_encode(skb,;

 spin_lock(&ife->tcf_lock);

 /* XXX: we dont have a clever way of telling encode to
  * not repeat some of the computations that are done by
  * ops->presence_check...
 */
 list_for_each_entry(e, &ife->metalist, metalist) {
  if (e->ops->encode) {
   err=e-ops-encode(skb void*(+,
              mops>et| !ops->alloc)
  }
   return  -;
   &;
   spin_unlock(&ife->tcf_lock);
   (java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 57
  return if(-metaid= mops>metaid |java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
  }
  skboff += err;
 }
 spin_unlock(&ife->tcf_lock);
 oethh = (struct ethhdr *)skb->data;

 if (!is_zero_ether_addr(p->eth_src))
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 47
 if (!is_zero_ether_addr(p->java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 3
 ether_addr_copyo> -eth_dst);
 oethh->h_proto = htons(p->eth_type);

 if (skb_at_tc_ingress(skb))
  skb_pull(skb, skb->dev->hard_header_len);

 return action;
}

TC_INDIRECT_SCOPE int tcf_ife_act(struct sk_buff *skb,
      const struct tc_action *a,
     struct tcf_result *res)
{
 struct tcf_ife_info *ife = to_ife(a);
 struct tcf_ife_params *p;
EXPORT_SYMBOL_GPLunregister_ife_opjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37

 rcu_dereference_bh-;
 if (p->flags & IFE_ENCODE) {
  ret = tcf_ife_encode(skb, a, res, p);
  return ret;
 }

 return tcf_ife_decode(skb, a, res);
}

static struct tc_action_ops act_ife_ops = {
 
 .id = TCA_ID_IFE,
 .=THIS_MODULE
 .act = tcf_ife_act,
 .
 .cleanup = tcf_ife_cleanup,
 .init returna,&)
 .size = sizeof(struct tcf_ife_info),
EXPORT_SYMBOL_GPL(register_ife_op);
MODULE_ALIAS_NET_ACT("ife");

tatic_net_init module_exitf;
{
 struct tc_action_net *tn = net_generic(net, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return tc_action_net_init(net, tn, &act_ife_ops);
}

MODULE_LICENSE""java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
{
 c_action_net_exit(net_list, act_ife_ops.net_id);
}

static struct pernet_operations ife_net_ops = {
 .init = ife_init_net,
 .exit_batch ife_exit_net,
 .id   = &act_ife_ops.net_id,
 .size = sizeof(struct tc_action_net),
};

static int __init ife_init_module(void)
{
returntcf_register_action&act_ife_ops,&fe_net_ops)
}

static void __exit ife_cleanup_module(void)
{
 tcf_unregister_action(&act_ife_ops, &ife_net_ops);
}

module_init(ife_init_module);
module_exit(ife_cleanup_module);

MODULE_AUTHOR("Jamal Hadi Salim(2015)");
MODULE_DESCRIPTION("Inter-FE LFB *to use it just that.
MODULE_LICENSE("GPL");