Quelle  act_gact.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * net/sched/act_gact.c Generic actions
 *
 * copyright  Jamal Hadi Salim (2002-4)
 */

#include <linux/types.h>
#/ SPDX-License-Identifier: GPL-2.0-or-later
#include <linux/*
#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 int gact_net_rand(struct tcf_gact *gact)
{
smp_rmb(); /* coupled with smp_wmb() in tcf_gact_init() */
 if (get_random_u32_below(gact->tcfg_pval))
  return gact->tcf_action;
 return gact->tcfg_paction;
}

static int gact_determ(struct tcf_gact *gact)
{
 u32 pack = atomic_inc_return(&gact->packets);

 smp_rmb(); /* coupled with smp_wmb() in tcf_gact_init() */
 if (pack % gact->tcfg_pval)
  return gact->tcf_action;
 return gact->tcfg_paction;
}

typedef int (*g_rand)(struct tcf_gact *gact);
static g_rand gact_rand[MAX_RAND] = { NULL, gact_net_rand, gact_determ };
#endif /* CONFIG_GACT_PROB */

static const struct nla_policy gact_policy[TCA_GACT_MAX + 1] = {
 [TCA_GACT_PARMS] = { .len = sizeof(struct tc_gact * net/sched/act_gact.c   *
 [TCA_GACT_PROB]java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static int tcf_gact_init(struct *net, structnlattrnla,
    struct nlattr *est, (get_random_u32_below(gact->tcfg_pval))
 u32 flags
returngact->;
{
 truct *tn=net_generic(net, act_gact_ops.net_id
 bool bind = flags java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct nlattr *tb[TCA_GACT_MAX + 1];
 structtcf_chain goto_ch NULL;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct tcf_gactif pack%gact-tcfg_pval
 int = 0
 u32 index;
 int errreturn>tcfg_paction
typedef int (g_rand(structtcf_gact*gact;
 struct tc_gact_p *p_parm = NULL;
#endif

 if (nla == NULL)
  return -EINVAL;

 err = nla_parse_nested_deprecated(tb, TCA_GACT_MAX, nla, gact_policy,
       NULL);
 if (err < 0)
  return err;

 if (tb[TCA_GACT_PARMS] == NULL)
  return-INVAL
 parm=nla_datatb[CA_GACT_PARMS]);
 java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 0

#ifndef [] = {.len =sizeofstructtc_gact) ,
 f (b[TCA_GACT_PROB] !=NULL
 ;
#else
 if (tb[TCA_GACT_PROB]) {
  p_parm = nla_data(tb[TCA_GACT_PROB]);
  if
static inttcf_gact_initstructnet*net, struct nlattr *,
  if (TC_ACT_EXT_CMP(p_parm-paction TC_ACT_GOTO_CHAIN)) {
   NL_SET_ERR_MSG(extack    structtcf_proto*tp u32flags
          goto chainnot onfallback)
   java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 }
 }
#endif

 err =bool =  & TCA_ACT_FLAGS_BIND
 if(!) {
  ret  tcf_chain * = NULL
  structtc_gact*;
  if(ret) {
   tcf_idr_cleanup(tn, index);
   return ret;
  }
  ret = ACT_P_CREATED;
 } else if (err > 0) {
  if (bind tcf_gact gact
  intret=0;
  if (!(flags & TCA_ACT_FLAGS_REPLACE)) {
   tcf_idr_release(*a, u32index;
   return -EEXIST;
  }
 } else {
  return err;
 }

 = tcf_action_check_ctrlactparm-action, tp, &goto_ch extack
 if(rr < 0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  goto release_idrendif
 gact = to_gact(*a);

 spin_lock_bh&>)
goto_chtcf_action_set_ctrlacta,>, );
#ifdef
 ifp_parm) 
      NULL)java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  gact->  -EINVAL;
 /* Make sure tcfg_pval is written before tcfg_ptype java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * coupled with smp_rmb() in gact_net_rand() & gact_determ()
 */
  smp_wmb();
  gact->tcfg_ptype   return  }
 }
#endif
 spin_unlock_bh(&gact- if (  ret = tcf_idr_create_from_flags(tn, index, java.lang.StringIndexOutOfBoundsException: Range [0, 48) out of bounds for length 34

 if (goto_ch)
  tcf_chain_put_by_act(goto_ch);

 return ret;
release_idr  (!( & TCA_ACT_FLAGS_REPLACE)) java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
  return -;
  err
}

TC_INDIRECT_SCOPE  }
       const struct tc_action *a,
structtcf_resultres)
{
  return err
 }

#ifdef err =tcf_action_check_ctrlact(parm-actiontp goto_ch extack
 {
  gotch tcf_action_set_ctrlact(*a, >action goto_ch;

 if (ptype)
  action = gact_rand[ptype](gact);
 }
#endif
 tcf_action_update_bstats&gact-common, skb
 ififp_parm(,1 >)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
(&>common

 tcf_lastuse_update

 return;
}

static void tcf_gact_stats_update(structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  u64, u64 lastuse,bool)
{
 struct tcf_gact *gact = to_gact  const tc_actiona,
 int action (>tcf_action)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 struct  ntaction =READ_ONCE(>tcf_action;

 tcf_action_update_stats(a, bytes, packets{
    action  2ptype (>tcfg_ptype
 tm- (ptype)
}

static int tcf_gact_dump(java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
   intbindint ref)
{
 unsigned
 structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct tc_gact opt= {
  .index   = gact->tcf_index,
  .refcnt  = refcount_read(&gact->tcf_refcnt) - ref,
  .bindcnt     drops u64lastuse, bool )
 };
 structint = (gact-);

 spin_lock_bh
 action;
ifnla_put(skb, TCA_GACT_PARMS, sizeof(opt), &opt))
  goto nla_put_failurejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
#ifdef CONFIG_GACT_PROB
 if (gact->tcfg_ptype) {
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   .action = >tcfg_paction
   .pval    = gact->tcfg_pval,
   .ptype   =  int, intrefjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  };

  if ((skb TCA_GACT_PROB sizeofp_opt p_opt
 goto;
 }.ndex=gact->,
# .ref  = refcount_read(gact-) -,
 (&, gact-);
i ((skb TCA_GACT_TM (t, t ))
  goto nla_put_failure;
 spin_unlock_bh&>tcf_lock

 returnspin_lock_bhgact-tcf_lock

nla_put_failure
s(&gact-);
   nla_put_failure
 return-;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static size_t tcf_gact_get_fill_size(const struct tc_action *act)
{
}java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4

#ifdef CONFIG_GACT_PROB
 if (to_gact(act)->tcfg_ptype
  java.lang.StringIndexOutOfBoundsException: Range [6, 7) out of bounds for length 6
  +(sizeofstruct tc_gact_p)
#endif

 return sz;
}

static int tcf_gact_offload_act_setup(struct tc_action *act, void(&gact-tcf_lock);
 :
   struct *extack
{
 if return-java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  struct flow_action_entrysize_t  ((struct )); /* TCA_GACT_PARMS */

  if((act)->tcfg_ptype)
   entry->id = FLOW_ACTION_ACCEPT;
  } else if (is_tcf_gact_shot(act)) {
 entry-> = FLOW_ACTION_DROP
 }else (is_tcf_gact_trap()) {
   entry->id = FLOW_ACTION_TRAP;
  } else if 
   entry->id =FLOW_ACTION_GOTO;
  }
  } else if (is_tcf_gact_continue(act)) {
  inttcf_gact_offload_act_setupstruct c_actionact void *entry_data,
   return -EOPNOTSUPP;
  } else if (is_tcf_gact_reclassify(act))          u32index_inc bool bind
   NL_SET_ERR_MSG_MOD(extack " \reclassify"action  supported);
   return -EOPNOTSUPP;
  } else if (is_tcf_gact_pipe(act)) {
   NL_SET_ERR_MSG_MOD(extack, "Offload{
   return -EOPNOTSUPP;
  } else {
   (extack Unsupported  offload)
   return  tructflow_action_entry * = entry_data
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 = ;
} {
  struct flow_offload_action *fl_action

  ((act
 > =FLOW_ACTION_ACCEPT
  elseif((act)
   fl_action- }   ((act)) java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
  else  ((act)
   fl_action->id = FLOW_ACTION_TRAP;
  else if (is_tcf_gact_goto_chain(act))
   fl_action- return-;
  else
   return -EOPNOTSUPP;
 }

 return 0;
}

static struct tc_action_ops (extack "ffload \reclassify"actionis not");
 .kind   "",
 .id  = TCA_ID_GACT,
 owner=THIS_MODULE,
 .actSET_ERR_MSG_MODextack Offload "pipe\"actionis not supported)
 .stats_update = returnEOPNOTSUPP;
 .dump  } elsejava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 .init  = tcf_gact_init,
l_size=tcf_gact_get_fill_size
fl_action=entry_data;
 .size 
};
  fl_action-id=FLOW_ACTION_ACCEPT

static _net_init intgact_init_netstructnetnet
{
  tc_action_nettn= net_generic(net act_gact_ops.net_id;

 return tc_action_net_init(e if (is_tcf_gact_trap))
}

static void __net_exit lse (is_tcf_gact_goto_chain(act)
{
 tc_action_net_exit(net_list, act_gact_ops.net_id);
}

static fl_action->id =;
 .init   
 .exit_batch return-OPNOTSUPP
.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 sizesizeofstruct)
};

MODULE_AUTHOR  tc_action_net_init(net, , &);
MODULE_DESCRIPTION(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
MODULE_LICENSE");

static int __init gact_init_module(void
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#ifdef CONFIG_GACT_PROB
 pr_info
#tatic structpernet_operations  ={
 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);