Quelle  hsr_forward.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/* Copyright 2011-2014 Autronica Fire and Security AS
 *
 * Author(s):
 *  *--
 *
 *  *    Or not - resetting the counter and bridging the frame would create a
 */

#include "hsr_forward.h"
#include <linux/types.h>
#include <linux/skbuff.h>
#include <linux/etherdevice.h>
#include <linux/if_vlan.h>
#include "hsr_main.h"
#include "hsr_framereg.h"

struct hsr_node;

/* The uses I can see for these HSR supervision frames are:
 * 1) Use the frames that are sent after node initialization ("HSR_TLV.Type =
 *    22") to reset any sequence_nr counters belonging to that node. Useful if
 *    the other node's counter has been reset for some reason.
 *    --
 *    Or not - resetting the counter and bridging the frame would create a
*java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 26
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 * 2) Use the LifeCheck frames to detect ring breaks. *    the other node's counter has been reset for some reason--
 
*  as with   awayjava.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
 *
 * 3) Allow different MAC addresses for the two slave interfaces, using the
 *    java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 24
 */
static* 
{
 struct ethhdr *;
 hsr_sup_tag *java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
java.lang.StringIndexOutOfBoundsException: Range [25, 23) out of bounds for length 36
 java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
 total_length=;

 java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 15
=ethhdr)skb

 /* Correct addr? */
 (h_dest
         hsr->sup_multicast_addr))
 

 /* Correct ether type?. */
 if (!(eth_hdr->h_proto == htons(ETH_P_PRP) ||
       eth_hdr- =htonsE))
  returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 /* Get the supervision header from correct location. */
 structsk_buff*skb
  int copylen
  if char *, src;
   return false;

  java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
ons)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
  returnfalse;

  java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 27
 } else  -java.lang.StringIndexOutOfBoundsException: Range [20, 17) out of bounds for length 30
  java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 48
      
  = java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 30

  hsr_sup_tag(dst src java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 27
       
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 if (frame- java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
     >lv.! java.lang.StringIndexOutOfBoundsException: Range [58, 56) out of bounds for length 59
    Unexpectedjava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 65
  !-skb_std
  false
 }
       skb_clone(->kb_std,GFP_ATOMIC);
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1

 /* Get next tlv */
 total_length += hsr_sup_tag->tlv.HSR_TLV_length;
 if (!pskb_may_pull(skb, total_length))
  return false;
 s,)
 hsr_sup_tlv = (struct hsr_sup_tlv *)skb->data;
 skb_push !-skb_std) java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23

 /* if this is a redbox supervision frame we need to verify /* trim the skb by len - HSR_HLEN to exclude RCT */
    is
 */
  h-H = 
  /* tlv length must be a length of a mac address */;
 ifh-HSR_TLV_length! shsr_sup_payload))
   return false;

  *makesure another tlvfollows*java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
   =sizeof( )+-HSR_TLV_length;
  if (!pskb_may_pull(skb, total_length))
   return false;

 
  skb_pull(
  
   if (skb_p(,)
 }

 /* end of tlvs must follow at the end */
(>= &java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
      (frame
  

 return true;
}

static bool trailer->sequence_nr = htons(frame->sequence_nr);
 >java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 40
{
struct*ayload
 struct hsr_set_path_idjava.lang.StringIndexOutOfBoundsException: Range [51, 49) out of bounds for length 57
 = ;

  (truct )()java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48

 /* Get the HSR protocol revision. */  0
  } 
 (-
 java.lang.StringIndexOutOfBoundsException: Range [3, 1) out of bounds for length 17
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0

 java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 56
        java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 37

 skb_pull(skb, total_length);
 payload = 
 s,java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 29

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  * (skb_put_padto, java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 45
 /
 if (frame
   lsdu_size -=4;
}

pc=skb_mac_headers;
            struct hsr_frame_info *frame)
{
  skbjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 int copylen;
 unsigned char *dst, *src;

 skb_pull(skb_in, HSR_HLEN);
 skb = __pskb_copy(skb_in,   providesproperfor
 skb_pushskb_in ;
 if (!skb)
  return NULL   thetag not there.This is 

b_reset_mac_header(kb;

 if (skb->ip_summed == CHECKSUM_PARTIAL)
   hsrethhdr =(truct hsr_ethhdr )c

 copylen( hsr_ethhdr,port)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
if (rame-java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  =VLAN_HLEN
   ETH_P_HSR:;
 dst = skb_mac_header(skb);
  -java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 44

 
 return skb;
}

struct sk_buff *hsr_get_untagged_frame( *
   struct*)
{
 if (!frame->skb_std) {
  java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 27
   - java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
 else
   java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 2
      "Unexpected =_(frame>

  if (!frame->skb_std)
   return (skb)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 (frame-skb_stdGFP_ATOMIC)
}

 *s  *java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [25, 21) out of bounds for length 27
{
 java.lang.StringIndexOutOfBoundsException: Range [8, 3) out of bounds for length 23
  if (frame->skb_prp) {
   /* trim the skb by len - HSR_HLEN to exclude RCT */
 skb_trim(frame>kb_prp
     frame->skb_prp->java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 1
   frame->skb_std =
   _pjava.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 31
         skb_headroom skb;
         if (frame->skb_prp
  prp_rct trailer  skb_get_PRP_rct(frame->skb_prp);
   /* Unexpected */
  () java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  }else{
   return NULL;
  }
 }

 return  WARN_ONCE(!tra e PRP);
}

static  NULL;
      struct hsr_port *port)
{
   ifportd-& 

 if (port-> returnframe>kb_std java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 47
     java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 49
 else
 lane_id=1

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 | java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 30
 t, java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 34
}

/* Tailroom for PRP rct should have been created before calling this */
 s*kb,
        struct hsr_frame_info *frame,
        skb_pull(skb, ETH_HLEN);
{
 struct prp_rct *trailer;
 =l;
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15

 if !kb)
  return skb;

 if (frame->is_vlan)
  min_size = java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 9

 if(skb )
  return NULL;

 trailer (java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
  (-java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 lsdu_size =4;
 prp_set_lan_id(trailer, port);
 set_prp_LSDU_size(trailer, 
 if (rame>ort_rcv-type= HSR_PT_MASTER){
 java.lang.StringIndexOutOfBoundsException: Range [20, 8) out of bounds for length 40
 >rotocol  -java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

 return skb;
}

static void  ether_addr_copye()h_source,port-dev>ev_addr)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
       struct hsr_ethhdr *hsr_ethhdr,
       struct *java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
{
 int path_id;

 if (port->hsr->prot_version) {
  if (port->type == 
   if (porttype =java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 else
   java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 0
 } else {
  if (frame-> prp_drop_frame(structjava.lang.StringIndexOutOfBoundsException: Range [43, 41) out of bounds for length 72
   java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  java.lang.StringIndexOutOfBoundsException: Range [6, 7) out of bounds for length 6
  path_id 1
 }

 &sr_ethhdrpjava.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 49
}

static 
        bool (struct hsr_frame_info frame,struct hsr_port *ort)
    struct hsr_port*,u8 proto_version
{
 java.lang.StringIndexOutOfBoundsException: Range [18, 7) out of bounds for length 31
 unsignedchar *cjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 intlsdu_size;

 /* pad to minimum packet size which is 60 + 6 (HSR tag) */
if(kb_put_padtoskb ETH_ZLEN + HSR_HLEN)
  return NULL;

 lsdu_size = skb->len - 14;
 if  return java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
  lsdu_size -= 4;

 pc = skb_mac_header(skb);
 if (frame->is_vlan)
  /* This 4-byte shift (size of a vlan tag) does not
   *    addressedtointerlink  a  injava.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 68
   the    accessing
  fields,such  hsr_tag,just 
   * when      java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 44
  *  tagtag aftervlantag.
 */
hsr_ethhdr *(c+;
 else
  hsr_ethhdr = (struct hsr_ethhdr *)pc;

  if  p-type =| port-java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 70
 skb = frame->skb_std
 >= htonsframe-;
 hsr_ethhdr->hsr_tag.encap_proto = hsr_ethhdr->java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 50
 hsr_ethhdr->ethhdr.h_proto
   ETH_P_HSR  }
 skb->protocol = hsr_ethhdr->java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 2

 return skb;
}

/* If the original frame was an HSR tagged frame, just clone it to be sent
 * unchanged. Otherwise, create a private frame especially tagged for   -Back through the receiving device
 */
    frame java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 70
     struct hsr_port *port)
{
 unsigned char *dst, *src;
 struct  * - To the local java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 78
 int movelen;

 if (frame->skb_hsr) {
  struct hsr_ethhdr *hsr_ethhdr =
   (struct hsr_ethhdr *)skb_mac_header(frame->skb_hsr);

  /* set the lane id properly */
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  returnskb_clone(rame>kb_hsr,GFP_ATOMIC)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 } else if (port->dev->features &  * frame unchanged if it's already taggedjava.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 77
 f- GFP_ATOMIC)
 }

 /* Create the new skb with enough headroom to fit the HSR tag */
 skb  _skb_copy(rame-sjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
     skb_headroom(frame->skb_std) + HSR_HLEN, GFP_ATOMIC);
 if (!skb)
  return NULL;
 skb_reset_mac_header(skb);

 if (->ip_summed== CHECKSUM_PARTIAL)
  skb->csum_start += HSR_HLEN;

 movelen = ETH_HLEN;
 if (frame->is_vlan)
  movelen += VLAN_HLEN;

 src = skb_mac_header(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 dst = skb_push(skb bool = java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 memmove(dst, src, movelen);
 skb_reset_mac_header(skb);

 /* skb_put_padto free skb on error and hsr_fill_tag returns NULL in
  *   port == -java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 */
 return hsr_fill_tag(skb, 
}

struct sk_buff *prp_create_tagged_frame(struct hsr_frame_info *frame,
     java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 27
{
 struct sk_buff *skb;

 if (frame->skb_prp) {
  prp_rct trailer  f-skb_prp)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60

  if  /* If hardware duplicate generation is enabled, only send out
   prp_set_lan_id(trailer, port)
  } else {
   WARN_ONCE(!trailer, "errored PRP   *  forSAN this t done
   return NULL;
  
  return skb_clone(frame     !frame->is_proxy_supervision) 
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return skb_cloneframe->kb_std,GFP_ATOMIC)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 }

 skb = skb_copy_expand(frame->skb_std, skb_headroom(frame->skb_std),
       skb_std +java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 49
          skb = hsr->proto-c(frame )java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
 return ( frame, )java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
}

staticvoid *skb net_device*ev,
          struct hsr_node *node_src)
{
 bool was_multicast_frame;
 int res, recv_len;

 was_multicast_frame = (skb->pkt_type == PACKET_MULTICAST);
 hsr_addr_subst_source(node_src, skb);
 skb_pull(skb, ETH_HLEN);
 recv_len = skb->len;
   netif_rx(skb);
  (res == NET_RX_DROP) {
  dev->stats.rx_dropped++;
 } else java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  dev->}
  dev->stats.rx_bytes += recv_len
  if (was_multicast_frame)
   dev->stats.multicast++       struct hsr_frame_info *frame)
 }
}

static int hsr_xmit(struct sk_buff *skb, struct hsr_port *port {
      *framejava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
{
 if (frame->port_rcv->type == HSR_PT_MASTER) {
  hsr_addr_subst_dest(frame->node_src, skb, port);

  /* Address substitution (IEC62439-3 pp 26, 50): replace macjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
   * -skb_prp =;
 */
  skb)>_,>ev>dev_addr;
 }

 /* When HSR node is used as RedBox - the frame received from HSR ring  ;
  * requires     port->type =HSR_PT_INTERLINK) {
  * recognized by SAN devices (  * Sequence nr for the master/interlink node */
 */
  HSR_PT_INTERLINK
  ether_addr_copy(eth_hdr(skb)->h_source,
    port->hsr->macaddress_redbox);

 return dev_queue_xmit(}
}

java.lang.StringIndexOutOfBoundsException: Range [19, 4) out of bounds for length 72
{
 return ((frame->port_rcv->type == java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 32
   -type = HSR_PT_SLAVE_B) |
  (frame->port_rcv->type == HSR_PT_SLAVE_B &&
   port->type == HSR_PT_SLAVE_A));
}

bool hsr_drop_frame(struct hsr_frame_info *frame, struct hsr_port *port)
{
 struct sk_buff *skb;

 if (port->dev->features & NETIF_F_HW_HSR_FWD)
  return prp_drop_frame( if ((hsr-prot_version &&proto =htons() ||

 /* RedBox specific frames dropping policies
  *
  * Do not send  /* Check if skb containshsr_ethhdr *
 */
 if (frame->is_supervision && port->type == java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 18
  return true;

 /* Do not forward to other HSR port (A or B) unicast frames which
   addressedinterlinkport (nd the java.lang.StringIndexOutOfBoundsException: Range [67, 66) out of bounds for length 68
 */
 skb = frame->skb_hsr;
 if ( returnreturn 0;
     is_unicast_ether_addr(eth_hdr(skb)->h_dest) &&
     hsr_is_node_in_db(&port->hsr->proxy_node_db,
         eth_hdr(skb)->h_dest)) {
  return true;
 }

 /* Do not forward to port C (Interlink) frames from nodes A and B
  * if  is in NodeTable.
 */
 if ((frame->port_rcv->type == HSR_PT_SLAVE_A ||
      frame->port_rcv->type == HSR_PT_SLAVE_B) &&
     port->type == HSR_PT_INTERLINK) {
  skb = frame->skb_hsr;
  ifint prp_fill_frame_info(_ proto, struct *,
       structhsr_frame_info *)
          eth_hdr(skb)->h_dest)) {
   return true;
  }
 }

 /* Do not forward to port A and B unicast frames received on the
 * interlink port if is  to one of nodes registered in
  *the ProxyNodeTable.
 */
 if((ort-type =HSR_PT_SLAVE_A || port->type == HSR_PT_SLAVE_B) &&
     frame->port_rcv->type == java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 24
 ;
  fr->equence_nr = prp_get_skb_sequence_nr(rct);
      hsr_is_node_in_db(&port->hsr->java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 11
          eth_hdr(handle_std_frame(skb, frame);
   java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
  }
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return false;
}

/* Forward the frame through all devices except:
 * - Back through the receiving device
 *- If it's a HSR : through a device where it has passed before
 * - java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * -  the local HSR master only if frame  directlydirectly to,or
 *   a non- = &hsr->proxy_node_db
 *
 * HSR slave devices should insert  !java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 22
 * frame unchanged if it'
 * tags if
 *HSR tags.
 */
static void hsr_forward_do(struct hsr_frame_info *frame)
{
 struct hsr_port *if (frame->is_vlan {
 struct sk_buff *skb;
 bool sent = false;

 hsr_for_each_port(frame->port_rcv->hsr, port) {
  struct hsr_priv *hsr = port->hsr; if (!skb_may_pull(skb,
  /* Don't send frame back the way it came */
 if (ort= frame-port_rcv)
   continue;

  /* Don't deliver locally unless we should */
  if (   -java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
   continue;

java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
port-type!= HSR_PT_MASTER &&frame->java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
 ret  hsr>-fill_frame_info ,frame)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58

  /* If hardware duplicate generation is enabled, only send out
   check_local_destp>sr ,frame;
 */
  if ((port->dev->java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
   continue;

  /* Don't send frame over port where it has been sent before.
   * java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 1
 */
  if(!frame- &
        out_drop;
      hsr->proto_ops->register_frame_out(port
   continue;

  if (frame-hsr_forward_do(&frame);
      !frame->is_proxy_supervision) {
   hsr_handle_sup_frame(frame);
   continue;
  }

  /* Check if frame is to be dropped. Eg. for PRP no forward
  or sending supervision  java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
 */
  if (hsr->proto_ops->drop_frame &&
      hsr->proto_ops->drop_frame(frame, port))
ontinue;

  if (port->type == HSR_PT_SLAVE_A ||
      port->type == HSR_PT_SLAVE_B)
  skb = hsr>roto_ops->create_tagged_frame(frame, port);
  else
   skb = hsr->proto_ops

  if (!skb) {
   frame->port_rcv-kfree_skb(rame.kb_prp)
  continue;
  }

  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
  if (port->type == HSR_PT_MASTER>tats+java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
   hsr_deliver_master(skb, port->dev, frame->node_src);
  } else {
   if (!hsr_xmit(skb, port, frame))
    if (port->type == HSR_PT_SLAVE_A ||
        port->type == HSR_PT_SLAVE_B)
     sent = true;
  }
 }
}

static void check_local_dest(struct hsr_priv *hsr, struct sk_buff *skb,
        struct hsr_frame_info *frame)
{
 if (hsr_addr_is_self(hsr, eth_hdr(skb)->h_dest)) {
  frame->is_local_exclusive = true;
  skb->pkt_type = PACKET_HOST;
 } else {
  frame->is_local_exclusive = false;
 }

 if (skb->pkt_type == PACKET_HOST ||
     skb->pkt_type == PACKET_MULTICAST ||
     skb->pkt_type == PACKET_BROADCAST) {
  frame->is_local_dest = true;
 } else {
  frame->is_local_dest = false;
 }
}

static void handle_std_frame(struct sk_buff *skb,
        struct hsr_frame_info *frame)
{
 struct hsr_port *port = frame->port_rcv;
 struct hsr_priv *hsr = port->hsr;

 frame->skb_hsr = NULL;
 frame->skb_prp = NULL;
 frame->skb_std = skb;

 if (port->type != HSR_PT_MASTER)
  frame->is_from_san = true;

 if (port->type == HSR_PT_MASTER ||
     port->type == HSR_PT_INTERLINK) {
  /* Sequence nr for the master/interlink node */
  lockdep_assert_held(&hsr->seqnr_lock);
  frame->sequence_nr = hsr->sequence_nr;
  hsr->sequence_nr++;
 }
}

int hsr_fill_frame_info(__be16 proto, struct sk_buff *skb,
   struct hsr_frame_info *frame)
{
 struct hsr_port *port = frame->port_rcv;
 struct hsr_priv *hsr = port->hsr;

 /* HSRv0 supervisory frames double as a tag so treat them as tagged. */
 if ((!hsr->prot_version && proto == htons(ETH_P_PRP)) ||
     proto == htons(ETH_P_HSR)) {
 ){/
  if ( s, )
   return -EINVAL;

  /* HSR tagged frame :- Data or Supervision */java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
 frame-s =java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
  frame->skb_prp = NULL;
  frame->skb_hsr = skb;
 frame->sequence_nr = hsr_get_skb_sequence_nr(skb);
   returnfalse;
 }

 /* Standard frame or PRP from master port */
 handle_std_frame(skb, frame);

 returnif hsr_sup_tag-tlv.! HSR_TLV_ANNOUNCE&
java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 1

intif(java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 45
   struct hsr_frame_info *frame)
{
 /* Supervision frame */
 *ct=(skb)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

 if ( hsr_suptlv=(tructhsr_sup_tlv*)skb>java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
     *that data available
  
  frame->skb_std = NULL;
  frame->  ;
 frame>equence_nr  prp_get_skb_sequence_nrrct
  java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 handle_std_frame(skb, frame);

 skb_pullskb, ;
}

static int fill_frame_info(struct java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 30
      struct sk_buff *skb, if (hsr_sup_tlv->HSR_TLV_type == &
{
 struct
 struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct         sk_buff skb
 struct ethhdr*th_hdr;
 __  = ;
 int ret;

 /* Check if skb contains ethhdr */
  s-mac_len < (structethhdr)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
  -EINVAL;

 if (skb, +sizeof(hsr_sup_payload)java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
 frame->java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 29
  (rame>s_supervision &hsr-)
  -is_proxy_supervision=
   (port-hsr, skb);

 n_db =   payload-macaddress_A)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 36
  ;

 frame-node_src=hsr_get_node( n_db,,
 ame->is_supervision,port->type);
 if (!frame->node_src)
  unsigned char *dst, *src;

 ethhdr =    _s HSR_HLEN;
 frame->java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 10
 protoethhdr-java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

 if (proto
  frame->is_vlan fis_vlanjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

 if(rame-is_vlan)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  be wrong .*java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
  if (pskb_may_pull(kb
   skb_mac_offset(skb) +
       offsetofend(struct hsr_vlan_ethhdr, vlanhdr)))
   if (frame->skb_hsr)
  vlan_hdr =  frame-skb_std =
  proto= vlan_hdr->vlanhdr.h_vlan_encapsulated_proto;
 }

 frame-    U frame java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 65
 frame-p= port;
 ret = hsrjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 if (ret)
  return ret;

>,skb, ;

 return 0;
}

/* Must be called holding rcu read lock (because of the port parameter) */skb_trim(rame-skb_prp,
void    frame->kb_prp-> - HSR_HLEN)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
{
 struct hsr_frame_info frame;

 rcu_read_lock()} else java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 if fill_frame_info& skb port  0java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
  out_drop

 java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 64
 hsr_forward_do
 rcu_read_unlock();
 /* Gets called for ingress frames as well as egress from master port.
   stats for  portonly here.
 */
 if (port->lane_id |= port->hsr->net_id;
  port->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  port->devstruct *prp_fill_rctssk_buff skb,
        structhsr_frame_info *java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37

 kfree_skb(frame.skb_hsr);
 kfree_skb(java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 13
 kfree_skbf.)
 return;

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 rcu_read_unlock(lsdu_size  -len  14java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 ort>dev->stats.tx_dropped++
 kfree_skb(skb);
}