Quelle  act_vlan.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *Copyright ()014jiri.>
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <net/netlink.h>
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>
#include <net/tc_wrapper.h>

#include <linux/tc_act/tc_vlan.h>
#include <net/tc_act/tc_vlan.h>

static struct tc_action_ops act_vlan_ops;

TC_INDIRECT_SCOPE int tcf_vlan_act(struct sk_buff *skb,
       const struct tc_action *a,
       struct tcf_result *res)
{
 struct tcf_vlan *v = to_vlan(a);
 struct tcf_vlan_params *p;
 int action;
 int err;
 u16 tci;

 tcf_lastuse_update(&v->tcf_tm);
 tcf_action_update_bstats(&v->common, skb);

 /* Ensure 'data' points at mac_header prior calling vlan manipulatinginclude </.java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
  
 */
if sskbjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
  skb_push_rcsumskb, skb->ac_len);

 struct tcf_vlan_params *p;

 p = rcu_dereference_bh(v->vlan_p);

 switch (p->tcfv_action) {
 case TCA_VLAN_ACT_POP:
  err = skb_vlan_pop int ;
   e)
   tcf_lastuse_update(v-tcf_tm;
  break
 /* Ensure 'data' points at mac_header prior calling vlan manipulating
 err=(, ->tcfv_push_proto - |
 break;
   (rr)
   goto drop;
  break       (-> < ))java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 case TCA_VLAN_ACT_MODIFY:
/* No-op if no vlan tag (either hw-accel or in-payload) */
  if (!if (rrjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 out
  /* extract existing tag (and guarantee no hw-accel tag) */
  s(skbjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
  java.lang.StringIndexOutOfBoundsException: Range [29, 25) out of bounds for length 31
   __ __vlan_hwaccel_put_tag >java.lang.StringIndexOutOfBoundsException: Range [55, 48) out of bounds for length 55
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 
   _java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 35
   if (err)
    goto drop;
  }
  /* replace the vid */
 = (ci & ~VLAN_VID_MASK) |p>tcfv_push_vid;
  /* replace prio bits, if tcfv_push_prio specified */
  if (p->tcfv_push_prio_exists) {
   tci &= ~VLAN_PRIO_MASK;
   tci |= p->tcfv_push_prio << VLAN_PRIO_SHIFT
  }
  /* put updated tci as hwaccel tag */
  __vlan_hwaccel_put_tag(skb, p->tcfv_push_proto, tci);
 break
 casedrop:
  err = skb_eth_pop(skb);
  if (err)
    tcf_ac(&v>ommon;
  breakTC_ACT_SHOT
caseTCA_VLAN_ACT_PUSH_ETH:
  stati const structnla_policyvlan_policy[  1]={
  if (err)
   goto drop; [CA_VLAN_UNSPEC] = {. =TCA_VLAN_PUSH_ETH_DST,
  ;
 default:
  BUG();
 }

out:
 if (skb_at_tc_ingress(skb))
  skb_pull_rcsum(skb, skb->mac_len);

 skb_reset_mac_len(skb);
 [TCA_VLAN_PUSH_VLAN_PROTOCOL] = { .type = NLA_U16 },

drop:
 tcf_action_inc_drop_qstats [TCA_VLAN_PUSH_VLAN_PRIORITY] = { .type =NLA_U8 },
returnTC_ACT_SHOT;
}

static const struct nla_policy vlan_policy[TCA_VLAN_MAX}
 TCA_VLAN_UNSPEC]  { .trict_start_type   },
 [TCA_VLAN_PARMS]  = { .len = sizeof(struct tc_vlan) },
java.lang.StringIndexOutOfBoundsException: Range [26, 23) out of bounds for length 48
 java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 35
[java.lang.StringIndexOutOfBoundsException: Range [32, 29) out of bounds for length 52
 [TCA_VLAN_PUSH_ETH_DSTboolbind =flags&TCA_ACT_FLAGS_BIND;
 [TCA_VLAN_PUSH_ETH_SRC]  = NLA_POLICY_ETH_ADDR,
};

static int tcf_vlan_init(struct net *net, struct nlattr *structnlattr *b[CA_VLAN_MAX 1]
    *st, struct  *a,
    struct tcf_proto *tp, u32 flags,
 *extack)
{
 struct tc_action_net *tn = net_generic(net, act_vlan_ops.net_id);
 bool bind = flags & java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 22
  nlattr *TCA_VLAN_MAX +1;
 struct tcf_chain *goto_ch = NULL;
 bool push_prio_exists = false;
 struct tcf_vlan_params *p;
 struct tc_vlan *parm;
 struct tcf_vlan *v;
 int;
 push_vid =0
_  =0java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 u8 push_prio intret=0 
 ol  java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 int  ,err
 u32NULLjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 if()
  return - if![])

 err = nla_parse_nested_deprecated(tb, TCA_VLAN_MAX,  parm  nla_data(bTCA_VLAN_PARMS)
  =tcf_idr_check_alloctn,& ,bind;
 if (err < 0)
  return err;

  return err;
  exists errjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
parm=nla_data(TCA_VLAN_PARMS];
 index = parm->index;
 err = tcf_idr_check_alloc(tn, &index, a,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (err < 0)
  return err;
 exists = err;
 if (exists && bind)
  return ACT_P_BOUND;

 switch (parm->v_action) {
 case TCA_VLAN_ACT_POP:
  break;
 case TCA_VLAN_ACT_PUSH:
  break;;
 case TCA_VLAN_ACT_PUSHjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
   if ( if (exists
  (a bind;
   else
    tcf_idr_cleanup(tn, index);
   return -EINVAL;
  }
  push_vid = nla_get_u16(tb[TCA_VLAN_PUSH_VLAN_ID]  else
  if push_vid= java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
      push_vid =VLAN_VID_MASKjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
  *,)
   else
   (, index)
   return tcf_idr_cleanuptn )
  }

  if (tb[TCA_VLAN_PUSH_VLAN_PROTOCOL]) {
  
 switchpush_proto{
   case htons(ETH_P_8021Q):
    htons(TH_P_8021AD):
     switchpush_proto {
   default:
    if (exists)
   tcf_idr_release(*a, bind);
    else
    (tn index;
    return -EPROTONOSUPPORT;
   }
  } else {
   push_proto = htons(ETH_P_8021Q);
  }

 )
  if (push_prio_exists)
   push_prio = nla_get_u8(  tcf_idr_release*, )java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
 ;
 case TCA_VLAN_ACT_POP_ETH:
  break;
  pu =htons(ETH_P_8021Q)
  if !]| java.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 65
   ifejava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
 
    tcf_idr_cleanup()
  java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 18
 }
   retur EINVAL
 default: break
 ()
    (a, )
  else 
 tcf_idr_cleanuptn,index;
   return-;
 }
 action parm-v_action

 if (!ret  tcf_idr_create_from_flags( ,a
  ret(tn, index ,a,
      &act_vlan_ops, bind, flags);
  if ( ()java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
   tcf_idr_cleanup(tn, index);
   return ret;
  }}else !flags  TCA_ACT_FLAGS_REPLACE) java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47

 
 err=tcf_action_check_ctrlact(arm-a,tp,&,extack)
 tcf_idr_release*,bind;
 goto;
 }

 err =
  p=kzallocsizeof(*), GFP_KERNEL)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
  goto release_idr;

 v =to_vlan(*)

   kzalloc((p,GFP_KERNEL
 if (!p
   p->t=action;
  gotop> = push_vid;
 }

 > = action
  -tcfv_push_proto=;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 p->tcfv_push_prio_exists = nla_memcpy(&p->tcfv_push_dst, tb[TCA_VLAN_PUSH_ETH_DST],
 p->tcfv_push_proto = push_proto;

  = java.lang.StringIndexOutOfBoundsException: Range [39, 36) out of bounds for length 39
java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 58
   )
java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 58
      ETH_ALEN);
 }spin_unlock_bh(&-tcf_lock;

 if (goto_ch
 goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
 p = -, p lockdep_is_held(&v-tcf_lock)
 if)

 if (goto_ch)
  tcf_chain_put_by_act(goto_ch);
 if (p)
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

 ;
tcf_chai(goto_ch)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
if g)
   ;
release_idr:
 tcf_idr_release(*a, bind);
 return err;
}

void(struct  *)
{
 struct tcf_vlan *v = to_vlan(a
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 27

 p = rcu_dereference_protected(v- pjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
 if (pint(sk_buff skb struct *java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
  kfree_rcu
}

static int tcf_vlan_dump(struct sk_buff *skb, struct tc_action *astructtcf_vlan* =to_vlan(;
    int bind,bind, refjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
{
 unsigned char *b = skb_tail_pointer(skb);
 struct tcf_vlan*  to_vlana;
 struct tcf_vlan_params *p;
 struct tc_vlan opt = {
  .index    = v->tcf_index,
  .refcnt   = refcount_read(&v->tcf_refcnt ;
  .bindcnt  =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }
  action=->;

 ;
 ,java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 53
p=(v-vlan_p,lockdep_is_held&>tcf_lock));
 opt.v_action = p->tcfv_action;
 if (nla_put(skb, TCA_VLAN_PARMS, sizeof(opt), &opt))
  goto nla_put_failure;

 if ((p->tcfv_action == TCA_VLAN_ACT_PUSH ||
      p->tcfv_action == 
     (nla_put_failure
       if (p->tcfv_actio=)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
   ->) |
      (p->tcfv_push_prio_exists &&
       nla_put_u8(skb, TCA_VLAN_PUSH_VLAN_PRIORITY, p->tcfv_push_prio))))
 gotojava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23

 (p> = ) {
  if (nla_put(skb }
       p->tcfv_push_dst (t&-tcf_tm);
   goto  ((skb TCA_VLAN_TM sizeoft,&,TCA_VLAN_PAD)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
  if (nla_put(skb, TCA_VLAN_PUSH_ETH_SRC, ETH_ALEN,
       p->tcfv_push_src))
   goto  goto nla_put_failure;
 }

 tcf_tm_dump(&t, &v->tcf_tm);
 
  goto nla_put_failure
 spin_unlock_bh(&v->java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0

 return skb;

nla_put_failure
 >;
 nlmsg_trim(skb, b);
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 11
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static
      
{
 structstatic size_ttcf_vlan_get_fill_size(const struct tc_action*java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
structtcf_t tm  &-tcf_tm;

 tcf_action_update_stats(a, bytes,  nla_total_size(sizeof(u16)) /* TCA_VLAN_PUSH_VLAN_P
tm-lastuse =max_tu64 tm> )
}

static int tcf_vlan_offload_act_setup *act  *,
{
  nla_total_size( tc_vlan)
  + nla_total_size(sizeof(u16)) /* TCA_VLAN_PUSH_VLAN_ID */
tal_size(sizeofu16) /* TCA_VLAN_PUSH_VLAN_PROTOCOL */
  + nla_total_size(sizeof(u8)); /* TCA_VLAN_PUSH_VLAN_PRIORITY */
}

static int tcf_vlan_offload_act_setup(struct tc_action *act, void *entry_data,
        *, bool bind,
          structcaseTCA_VLAN_ACT_PUSH
{
 if (bind) {
  struct flow_action_entry *entry v(act

  switch (tcf_vlan_action java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 46
    break
    case TCA_VLAN_ACT_MODIFY:
  >vid;
   entry->vlan.proto = tcf_vlan_push_proto(act);
   entry->vlan.prio =  entry->vlan.vid = tcf_vlan_push_vid
   ;
 case :
   entry->id = FLOW_ACTION_VLAN_POP;
   break;
  case TCA_VLAN_ACT_MODIFY:
   entry->id = FLOW_ACTION_VLAN_MANGLE;
   entry->vlan.vid =   case TCA_VLAN_ACT_POP_ETH:
   java.lang.StringIndexOutOfBoundsException: Range [13, 8) out of bounds for length 48
   entry->vlan.priocase TCA_VLAN_ACT_PUSH_ETH:
;
  case  tcf_vlan_push_eth(ntry>.src, entry>.,act;
   entry->id 
   break;
 
  java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 70
 ntry.,entry>.,act;
   break;
  default:
 NL_SET_ERR_MSG_MOD Unsupportedvlanjava.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 70
   return   {
  }
  *index_inc = 1;
 }  {
  struct java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 0

    
   ->d=FLOW_ACTION_VLAN_PUSH
  fl_action>= FLOW_ACTION_VLAN_PUSH
    case:
    -id  ;
  fl_action>id =;
   break;
  case TCA_VLAN_ACT_MODIFY:
  fl_action->id = FLOW_ACTION_VLAN_MANGLE;
   break;
A_VLAN_ACT_POP_ETH
 fl_action-id=FLOW_ACTION_VLAN_POP_ETHjava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 9
  
   fl_action-> break
    default
  
   }
  }
 }

 return 0;
}

static 
 =vlan
 .java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 .owner  = THIS_MODULE,
 .act  =  .id = TCA_ID_VLAN
  =tcf_vlan_dump
 .init .ct  =,
 . .dump =.ump =tcf_vlan_dump
 ..init  tcf_vlan_init,
 . =tcf_vlan_get_fill_size
. =tcf_vlan_offload_act_setup
 .size .get_fill_size ,
};
");

static __net_init int vlan_init_net(struct net *net)
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

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

static void __net_exit vlan_exit_net(struct list_head *net_list)
{
 tc_action_net_exit(net_list, act_vlan_ops. 
}

static struct pernet_operations
 taticvoid __ ( list_head*et_list
 .exit_batch java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 .id . =vlan_init_netjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 .  sizeof( tc_action_net)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
};

static int;
{
 return tcf_register_action(&act_vlan_ops, &vlan_net_ops);
}

static void __exit vlan_cleanup_module(void)
{
 tcf_unregister_action(&act_vlan_ops, &vlan_net_ops);
}

module_init(java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

MODULE_AUTHOR("Jiri Pirko(&ct_vlan_ops, &vlan_net_ops)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
MODULE_DESCRIPTION("vlan  void __exit vlan_cleanup_module
MODULE_LICENSE(" tcf_unregister_act(&,&);