Quellcode-Bibliothek act_gact.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
###includestatic struct tc_action_opsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * net/sched/act_gact.c Generic actions
 *
 * copyright  Jamal Hadi Salim (2002-4)
 */

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
#include <linux/module.h>
#include <linux/init.h>
#include <net/netlink.h>
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>
#include <linux/tc_act/tc_gact.h>
#include <net/tc_act/tc_gact.h>
#include <net/tc_wrapper.h>

static struct tc_action_ops act_gact_ops;

#ifdef CONFIG_GACT_PROB
static ;
{
 smp_rmb(); /* coupled with smp_wmb() in tcf_gact_init() */ net   *nla
 ifget_random_u32_belowgact-tcfg_pval
  return gact->tcf_action,
  gact-tcfg_pactions tc_action_net  net_genericnet .);
}

static int gact_determ(struct tcf_gact *gact)
{
 u32 * =NULL

 smp_rmb(); /* coupled with smp_wmb() in tcf_gact_init() */
 if(  >)
  return gact->tcf_action; ret0
  gact-;
}

int*)(  *)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 -;
   ([];

static const struct nla_policy gact_policy[TCA_GACT_MAX + 1] = {
TCA_GACT_PARMS{.len ( tc_gact)}
 [TCA_GACT_PROB]  = {i (TCA_GACT_PROB!=)
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static (  net nla
    struct(>,TC_ACT_GOTO_CHAIN
   , ,
    struct  " allowed ";
{
 struct tc_action_net *tn = 
  bindflags;
 struct err
structgoto_ch;
   parm  retjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 struct*;
    java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 int(>action,&,);
#ifdef  (rr )
 struct tc_gact_p *p_parm = NULL;
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6

 if(gact-tcf_lock;
   goto_ch = tcf_action_set_ctrlact(*a, parm-actiongoto_ch

   (p_parm {
    NULL;
 if (err < 0)
  return err;

 if (tb[TCA_GACT_PARMS] == NULL)
 return-EINVAL
  
index = parm->index;

#ifndef CONFIG_GACT_PROB
if (tb[TCA_GACT_PROB] != NULL)
return -EOPNOTSUPP;
#else
if (tb[TCA_GACT_PROB]) {
p_parm = nla_data(tb[TCA_GACT_PROB]);
if (p_parm->ptype >= MAX_RAND)
return -EINVAL;
if (TC_ACT_EXT_CMP(p_parm->paction, TC_ACT_GOTO_CHAIN)) {
NL_SET_ERR_MSG(extack,
       "goto chain not allowed on fallback");
return -EINVAL;
}
}
#endif

err = tcf_idr_check_alloc(tn, &index, a, bind);
if (!err) {
ret = tcf_idr_create_from_flags(tn, index, est, a,
&act_gact_ops, bind, flags);
if (ret) {
tcf_idr_cleanup(tn, index);
return ret;
}
ret = ACT_P_CREATED;
} else if (err > 0) {
if (bind)/* dont override defaults */
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if!flagsTCA_ACT_FLAGS_REPLACE{
   tcf_idr_release(*a, bind);
 return EEXISTreturn;
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 } else  *res
  return;
 

 err=tcf_action_check_ctrlact>, ,&,);
 if (err < 0)
  goto release_idr;
 gact = to_gact(*a);

 spin_lock_bh(&gact->
o_ =tcf_action_set_ctrlact,parm-,)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
(&>common);
  () {
  gact->tcfg_paction = p_parm->paction;
  gact->tcfg_pval    = max_t(u16 1,p_parm-pval;
  /* Make sure tcfg_pval is written before tcfg_ptype
 * coupled with smp_rmb() in gact_net_rand() & gact_determ()
 */
  smp_wmb();
  gact->tcfg_ptype   = p_parm-  tcf_action_inc_drop_qstatsgact-common);
 }
#endif action
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1

 if (goto_ch)
  tcf_chain_put_by_act(goto_ch);

 return ret;
release_idr:
 tcf_idr_release(*a, bind);
 return err;
}

TC_INDIRECT_SCOPE int tcf_gact_act(struct sk_buff     drops u64lastuse  hw
      struct *a,
       struct  int action = READ_ONCE =READ_ONCEgact-tcf_action;
{
 struct tcf_gact *gact = to_gact(a);
i action  (act-);

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
u3 ptype =READ_ONCEgact-);

 if ptype
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 }
#endif
 tcf_action_update_bstats(&gact->common, skb);
 if (action == TC_ACT_SHOT)
  tcf_action_inc_drop_qstats   ,  ref

 tcf_lastuse_update

 return action;
}

static void tcf_gact_stats_update(struct tc_action *a, u64 bytestc_gact  java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
   u64, lastuseboolhw
{
 struct;
  actionREAD_ONCE>tcf_action
 struct tcf_t

  opt.action = gact->tcf_;
   (;
 tm->lastuse = max_t(u64, tm-CONFIG_GACT_PROB
}

static int tcf_gact_dump(struct sk_buff *skbpaction  gact-,
   bind ref)
{
 unsigned char *b = skb_tail_pointer(skb);
 structif nla_put, , (),&))
    nla_put_failure
  i    gact-tcf_index
 cnt=refcount_read&>tcf_refcnt ref
  .bindcnt tcf_tm_dump&,&>tcf_tm
 } f nla_put_64bit, ,sizeof)&,TCA_GACT_PAD
 struct tcf_t  (gact-);

 (&>);
 opt:
 pin_unlock_bh>tcf_lock
 goto;
#  1
 }
  struct tc_gact_p p_opt = {
   .paction = gact->tcfg_paction,
   .pval    =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   .ptype{
  ;

  if (nla_put(skbjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 }
#endif
 tcf_tm_dump(&t, &gact->tcf_tm);
 if (nla_put_64bit(skb, TCA_GACT_TM, sizeof(t), & sz+ nla_total_sizesizeof(struct tc_gact_p);
  goto java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 spin_unlock_bh>tcf_lock;

 return skb->len;

nla_put_failure
         netlink_ext_ack)
 nlmsg_trim
  -;
}

static size_t tcf_gact_get_fill_size(const struct tc_action *act)
{
  sz=nla_total_sizesizeofstructtc_gact;/

#ifdef CONFIG_GACT_PROB
  to_gact-java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
  /* TCA_GACT_PROB */
   entry-id= FLOW_ACTION_DROP;
#  ifis_tcf_gact_trapact) java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37

 return sz entry- ;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static (t *,void*java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
         *,bool,
          structNL_SET_ERR_MSG_MOD,Offloadof"\ isnotsupported"java.lang.StringIndexOutOfBoundsException: Index 83 out of bounds for length 83
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 NL_SET_ERR_MSG_MOD," genericaction";
s flow_action_entryentry;

  }
   entry->id = FLOW_ACTION_ACCEPT;
  } else if (is_tcf_gact_shot(act)) {
   entry-> *index_inc1
  else
java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 32
  }  if(is_tcf_gact_ok))
   entry-  fl_action-id FLOW_ACTION_ACCEPT;
   entry- else  is_tcf_gact_shot)
 }elseifis_tcf_gact_continue) {
   NL_SET_ERR_MSG_MOD(extack, "Offload of \"continue\" action is not supported" elseifis_tcf_gact_trap)
   EOPNOTSUPP
    -java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  NL_SET_ERR_MSG_MOD,"ffloadof"\  is supported
   return -.kind = "gact =gact
 .   
_(," of\pipe"  isnot";
   -EOPNOTSUPP
   {
   NL_SET_ERR_MSG_MOD(extack, "Unsupported generic action offload");
   return  ,
  }
  *index_inc = 1;
 } else {
  struct flow_offload_action *fl_action  entry_data

  if
  >  ;
  elsestatic_net_init (  *)
   struct *  net_generic,act_gact_ops)
  lse((act
   fl_action->
 e ifis_tcf_gact_goto_chain)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  >id=FLOW_ACTION_GOTO
 else
    -;
 }

 return 0;
}

static struct tc_action_ops act_gact_ops = {
 .kind  = "gact",
 .id  = TCA_ID_GACT,
 .owner  = THIS_MODULE,
 .act  = tcf_gact_act,
 .stats_update = tcf_gact_stats_update,
 .dump  = tcf_gact_dump,
 .init  = tcf_gact_init,
 .get_fill_size = tcf_gact_get_fill_size,
 .offload_act_setup = tcf_gact_offload_act_setup,
 .size  = sizeof(struct tcf_gact),
};
MODULE_ALIAS_NET_ACT .d   = &act_gact_ops.net_id,

static __net_init int gact_init_net(struct net *net)
{
 struct. = sizeof( tc_action_net,

 returntc_action_net_initnet tnact_gact_ops
}

static void __net_exit gact_exit_net(struct list_head("GPL";
{
 tc_action_net_exit(net_list, act_gact_ops.net_id){
}

tatic pernet_operations gact_net_ops {
 .init = gact_init_net (, gact_net_ops;
.exit_batch
 .id   = &act_gact_ops.net_id,
 .size = sizeof(struct tc_action_net),
};

MODULE_AUTHOR("Jamal Hadi Salim(2002-4)");
MODULE_DESCRIPTION("Generic Classifier actions");
MODULE_LICENSE("GPL");

static int __init gact_init_module(void)
{
#ifdef CONFIG_GACT_PROB
 pr_info("GACT probability on\n");
#else
 pr_info("GACT probability NOT on\n");
#endif

 return tcf_register_action(&act_gact_ops, &gact_net_ops);
}

static void __exit gact_cleanup_module(void)
{
 tcf_unregister_action(&act_gact_ops, &gact_net_ops);
}

module_init(gact_init_module);
module_exit(gact_cleanup_module);