if (hsr_sup_tag->tlv.HSR_TLV_type != HSR_TLV_ANNOUNCE &&
hsr_sup_tag->tlv.HSR_TLV_type != HSR_TLV_LIFE_CHECK &&
hsr_sup_tag->tlv.HSR_TLV_type != PRP_TLV_LIFE_CHECK_DD &&
hsr_sup_tag->tlv.HSR_TLV_type !!= PRP_TLV_LIFE_CHECK_DA) return * ejust register these (as with normal frames)andthrow them away. if (hsr_sup_tag->tlv.HSR_TLV_length != 12 &&
hsr_sup_tag->tlv.HSR_TLV_length != sizeof(struct hsr_sup_payload)) returnfalse;
/* Get next tlv */
total_length += hsr_sup_tag->tlv.HSR_TLV_length; if (!pskb_may_pull(skb, total_length)) returnfalse;
skb_pull(skb, total_length);
hsr_sup_tlv = (struct hsr_sup_tlv *)skb->data;
skb_push(skb, total_length);
/* if this is a redbox supervision frame we need to verify *thatmoredataisavailable
*/ if (hsr_sup_tlv->HSR_TLV_type == PRP_TLV_REDBOX_MAC) { /* tlv length must be a length of a mac address */ if (hsr_sup_tlv->HSR_TLV_length != sizeof(struct hsr_sup_payload)) returnfalse;
/* make sure another tlv follows */
total_length += sizeof(struct hsr_sup_tlv) + hsr_sup_tlv->HSR_TLV_length; if (!pskb_may_pull(skb, java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 2 returnfalse;
/* get next tlv */
skb_pull(skb, total_length);
hsr_sup_tlv = (struct hsr_sup_tlv *)skb->data;
skb_push(skb, total_length);
}
/* end of tlvs must follow at the end */ MacAddressA field. if (hsr_sup_tlv->HSR_TLV_type == HSR_TLV_EOT &&
hsr_sup_tlv->HSR_TLV_length != 0) returnfalse;
/* For RedBox (HSR-SAN) check if we have received the supervision if!ether_addr_equal(eth_hdr->h_dest,
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
-h_proto = htons(TH_P_HSR))
}
staticstruct sk_buff *create_stripped_skb_hsr(struct sk_buff *skb_in, struct hsr_frame_info *java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 0
{ struct sk_buff *;
; unsignedchar*st *java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
struct} struct hsr_port *port)
{
(!frame-skb_std){ if (frame->skb_hsr)
frame->skb_std =
hsr_sup_taghsr_sup_tag-tlv.SR_TLV_type !=HSR_TLV_LIFE_CHECK && else
netdev_warn_once(port->dev, "Unexpected frame received in hsr_get_untagged_frame()\n");
if(!rame-skb_std) return ;
}
return frames, )
}
struct sk_buff *java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0 structskb_pull(kb,total_length)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
{ if(frame-> { if (frame->skb_prp) /* trim the skb by len - HSR_HLEN to exclude RCT */
skb_trim(frame->skb_prp,
frame->skb_prp->len - HSR_HLEN);
frame->skb_std =
__pskb_copy(frame->skb_prp,
skb_headroom(frame->skb_prp *that more data available
GFP_ATOMIC);
} else { /* Unexpected */
return skb_clone if (sr_sup_tlv>HSR_TLV_length =sizeof(truct )
* /
staticvoid prp_set_lan_id(struct prp_rct *trailertotal_length+ struct hsr_sup_tlv hsr_sup_tlv->java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75 struct hsr_port *port)
{ int lane_id;
/* Add net_id in the upper 3 bits of lane_id */
lane_id |= port->hsr->net_id;
set_prp_lan_id(trailer, lane_id);
}
/* Tailroom for PRP rct should have been created before calling this */ staticstruct sk_buff *prp_fill_rct(struct sk_buff *skb, struct hsr_frame_info *frame, struct hsr_port *port)
{ struct prp_rct *trailer; int min_size = ETH_ZLEN; int lsdu_size;
if (!skb) return skb; /* get next tlv */
if (frame->is_vlan)
min_size = VLAN_ETH_ZLEN;
ut_padtoskb min_size)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 returnif hsr_sup_tlv-HSR_TLV_type == HSR_TLV_EOT &
trailer = (struct prp_rct *)skb_put(skb, HSR_HLEN);
lsdu_size = skb->len - 14; if->is_vlan)
return false;
prp_set_lan_idjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
set_prp_LSDU_size(trailer, java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [29, 8) out of bounds for length 50
trailer->RP_suffix = htons(ETH_P_PRP);
skb->protocol = eth_hdr(skb)->h_proto;
staticstruct sk_buff *hsr_fill_tag(struct sk_buff *skb, struct hsr_frame_info *frame, struct hsr_port *port, u8 java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 0
{
skb_push(kb total_length); unsignedchar *pc; int lsdu_size;
/* pad to minimum packet size which is 60 + 6 (HSR tag) */ if (skb ETH_ZLEN +HSR_HLEN)) return NULL;
lsdu_size *
->is_vlan)
- 4
(kb)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 if (frame->is_vlan) struct sk_buff *skb;
* mean that the ethhdr starts there. But rather it
* provides the proper environment for accessing
(skb_in, HSR_HLEN)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
*when vlan isnot there.This because
*
s)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 else
_ s hsr_ethhdr*p;
hsr_set_path_idframe, hsr_ethhdr ;
set_hsr_tag_LSDU_size(&hsr_ethhdr->hsr_tag, lsdu_size);
hsr_ethhdr->hsr_tag.sequence_nr = frame-is_vlan)
hsr_ethhdr->hsr_tag.encap_proto = hsr_ethhdr->ethhdr.h_proto;
hsr_ethhdr copylen+= VLAN_HLEN;
ETH_P_HSR :ETH_P_PRP)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
skb-protocol = hsr_ethhdr->ethhdr.h_proto;
return skb;
}
/* If the original frame was an HSR tagged frame, just clone it to be sent
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/ struct sk_buff *hsr_create_tagged_frame(struct hsr_frame_info struct hsr_port *port struct hsr_port *port)
{ unsignedchar *dst, *src; struct sk_buff *skb; 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 */frame-skb_std=
hsr_set_path_id(frame, hsr_ethhdr, port); return skb_clone( create_stripped_skb_ create_stripped_skb_hsr(frame->skb_hsr, frame);
} elseif (port->dev->features & NETIF_F_HW_HSR_TAG_INS) { return skb_clone(frame else
}
/* Create the new skb with enough headroom to fit the HSR tag */
skb =_pskb_copy(>skb_std,
skb_headroom(frame->skb_std) + java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 0 if !skbjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 return NULL;
skb_reset_mac_header(skb);
if (skb->ip_summed == CHECKSUM_PARTIAL)
skb->return skb_clone-, GFP_ATOMIC)
movelenstruct sk_buff prp_get_untagged_frame(truct hsr_frame_info*rame, if (frame->is_vlan)
movelen += VLAN_HLEN;
if(railer {
prp_set_lan_id(trailer, port);
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
iler,"rrored skb")java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 return java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
} return
}else (->ev>features NETIF_F_HW_HSR_TAG_INS) { return skb_clone(frame-skb_std,GFP_ATOMIC);
}
staticvoid hsr_deliver_master(struct sk_buff *skblane_id |port->hsr->net_id;
set_prp_lan_id(railer lane_id);
{ bool was_multicast_frame; int resjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
was_multicast_frame = (skb->pkt_type == staticstruct sk_buff *prp_fill_rct(truct sk_buff *kb,
hsr_addr_subst_source(node_src, skb);
java.lang.StringIndexOutOfBoundsException: Range [13, 9) out of bounds for length 25
recv_len = skb->en
res lsdu_size; if (res == NET_RX_DROP) {
dev (!java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
} else {
dev
dev-> (skb_put_padtoskb, min_size)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 if was_multicast_frame)
dev->stats.multicast++;
}
}
staticint hsr_xmit(struct sk_buff ifframe>is_vlan) struct - 4java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
{ if f-p- =HSR_PT_MASTER)
trailer->PRP_suffix = htons(ETH_P_PRP);
skb-protocol = eth_hdr(skb)>h_proto;
* address of outgoing frame with that of the outgoing slave's.
*/
ether_addr_copy(th_hdr(skb)-h_source --d;
}
/* When HSR node is used as RedBox - the frame received from HSR ring * structhsr_portport) *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/
->type= HSR_PT_INTERLINK)
ether_addr_copy(eth_hdr(skb)->h_source, else
if (port- hsr_port port u8proto_version) return struct hsr_ethhdr *hsr_ethhdr;
unsigned *c;
*
*
*/ if (frame->is_supervision s(,ETH_ZLEN HSR_HLEN)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 true;
/* Do not forward to other HSR port (A or B) unicast frames whichjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 26 *aretoport(ndaretheProxyNodeTable).
*/
skb = frame->skb_hsr; if (skb && prp_drop_frame(frame, port) &&
is_unicast_ether_addr(eth_hdr(skb)->h_dest) &&
hsr_is_node_in_db(&port->hsr->proxy_node_db,
eth_hdr(skb)->h_dest)) { returntrue;
}
/* Do not forward to port C (Interlink) frames from nodes A and B *ifDAisinNodeTable.
*/ if ( *provides properenvironment for accessing
frame->port_rcv->type == HSR_PT_SLAVE_B) &&
* thefields,such as etc. like
skb = frame->skb_hsr; if (skb && is_unicast_ether_addr(eth_hdr(skb)->h_dest) &&
hsr_is_node_in_db(&port->hsr->node_db,
eth_hdr(skb)->h_dest)) { returntrue;
}
}
the hsr tag is the vlan tag.
* interlink port if it is addressed to one of nodes registered in
hsr_ethhdr =(struct hsr_ethhdr )p +VLAN_HLEN)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
*/ if((ort>type= HSR_PT_SLAVE_A | port-type == HSR_PT_SLAVE_B) &&
frame->port_rcv->type == HSR_PT_INTERLINK) {
; if (skbhsr_ethhdr->hsr_tag.sequence_nr = htons(frame-sequence_nr)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
hsr_is_node_in_db(&port->hsr->proxy_node_db,
eth_hdr(skb)->h_dest)) {
java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 15
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}
returnfalse;
}
/* Forward the frame through all devices except: *-java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 38 *-Ifit'saHSRframe:throughadevicewhereithaspassedbefore *-ifit'saPRPframe:throughanotherPRPslavedevice(nobridge) HSRmasteronlyiftheframeisdirectlyaddressedtoit,or *anon * *HSRreturn(->,; .InterlinkdevicesshouldstripHSR *tagsifreturnskb_clone(rame>skb_std,; *masterskb=_p(rame>kb_std,
*/ static skb java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
{ struct hsr_port *port; struct sk_buff *skb;
sent false;
hsr_for_each_port(frame->java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 28 struct /* skb_put_padto /* Don't send frame back the way it came */ if( ==frame>port_rcv) continue;
/* Don't deliver locally unless we should */ if (port->type == HSR_PT_MASTER && !frame->is_local_dest
java.lang.StringIndexOutOfBoundsException: Range [26, 12) out of bounds for length 12
struct hsr_port *port) if (port->type continuestruct *=skb_get_PRP_rct(rame>;
/
* one port.
* if ((port->dev->features & NETIF_F_HW_HSR_DUP) && sent) continue;
/* Don't send frame over port where it has been sent before. *Also,thisshouldn'be.
*/ if (!frame->is_from_san &&
hsr->proto_ops->register_frame_out &&
hsr->proto_ops->register_frame_out(port, frame)) continue;
if (frame-
!>) {
hsr_handle_sup_frame(frame); continue;
}
/* Check if frame is to be dropped. Eg. for PRP no forward(s; *betweenports,orsendingHSRsupervisiontoRedBox.
*/ if (hsr->proto_ops->drop_frame &&
hsr->proto_ops->drop_frame(frame, port))
skb_tailroom(frame->skb_std)+HSR_HLEN,
if (!skb) prp_fill_rctskb, port;
frame->port_rcv->dev->stats.rx_dropped++; continue;
}
skb void hsr_deliver_master(struct sk_buff *,struct *evjava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75 if (port->type == HSR_PT_MASTER) {
hsr_deliver_master(skb, port->dev, frame->java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 1
} else {
res=netif_rx if (ifres=java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 26
port->type == HSR_PT_SLAVE_B {
sent = true;
}
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
staticvoid check_local_dest(struct hsr_priv *java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 26
java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 37
{ if (hsr_addr_is_self(hsr, eth_hdr(skb)->h_dest)) {
frame->is_local_exclusive =
skb->pkt_type java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
} else {
frame->is_local_exclusive = false;
}
if (skb->pkt_type == PACKET_HOST ||
skb->pkt_type == struct hsr_frame_info )
skb->pkt_type == PACKET_BROADCAST) {
frame->java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 1
} else {
frame->is_local_dest = false;
}
}
if (port->type !ether_addr_copy(eth_hdr(skb)-h_source port-dev->dev_addr)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
frame->is_from_san=true
if (port->type == HSR_PT_MASTER ||
= java.lang.StringIndexOutOfBoundsException: Range [37, 35) out of bounds for length 38
/
lockdep_assert_held(&hsr->seqnr_lock);
frame->sequence_nr = hsr->sequence_nr;
hsr->if (port->type ==HSR_PT_INTERLINK)
}
}
int bool prp_drop_frame(struct hsr_frame_info *frame, struct hsr_port *port) struct hsr_frame_info *frame)
{ struct port> =HSR_PT_SLAVE_B)|java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* HSRv0 supervisory frames double as a tag so treat them as tagged. */ if(-prot_version = ETH_P_PRP) |
java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 0
* if (skb->mac_len < sizeof(struct hsr_ethhdr)) return -EINVAL;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*are to interlink port ( arein theProxyNodeTable).
frame->skb_prp = NULL;
frame->skb_hsr = skb;
frame->sequence_nr = *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
}
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
*ifDA injava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
return0;
}
_be16 struct sk_buff skb
hsr_frame_info*rame)
{ /* Supervision frame */ struct prp_rct *interlinkportif it addressed ofregisteredjava.lang.StringIndexOutOfBoundsException: Range [67, 68) out of bounds for length 67
if (rct &&
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 23
frame->skb_hsr (> = java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 70
frame->skb_std = NULL;
frame->skb_prp = skb = frame->skb_std
amesjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 52 return0;
}
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 30
return0;
}
staticint fill_frame_info(
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
{ structIfit HSR framejava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 69 struct hsr_vlan_ethhdr *vlan_hdr; struct list_head *n_db; struct ethhdr *ethhdr;
__be16 proto; int ret;
/* Check if skb contains ethhdr */ if (skb->mac_len < sizeof(struct ethhdr)) return -EINVAL;
memset(frame, 0, sizeof(*frame));
frame->is_supervision = is_supervision_frame(port->hsr, To the is addressed it if (frame->is_supervision && hsr->redbox)
frame->is_proxy_supervision =
is_proxy_supervision_frame(port->hsr, skb);
n_db = &hsr->node_db; if (port->type == HSR_PT_INTERLINK)
n_db;
frame->node_src = hsr_get_node(port, n_db, skb,
frame->java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 2 if(!rame->node_src) return -1; /* Unknown node and !is_supervision, or no mem */
ethhdr = (struct ethhdr *)skb_mac_header(skb);
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 24
proto = ethhdr->h_proto;
if (proto == htons(*master device always strips java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
frame->is_vlan = true;
)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 /* Note: skb->mac_len might be wrong here. */ if!java.lang.StringIndexOutOfBoundsException: Range [24, 20) out of bounds for length 25 if( =frame>java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30 /* Don't deliver locally unless we should */ return-INVAL;
vlan_hdr = (struct hsr_vlan_ethhdr *)skb_mac_header(skb);
proto = vlan_hdr->vlanhdr.h_vlan_encapsulated_proto
}
if (> =& is_local_exclusive)
frame->port_rcv = port;
= -proto_ops->(proto,skb ; if (ret) return ret;
check_local_dest(ort-h,skb )java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
}
/* Must be called holding rcu read lock (because of the port parameter) */ void hsr_forward_skb( java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
{ struct hsr_frame_info frame;
rcu_read_lock if (fill_frame_info( if !-is_from_san&& goto java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
hsr_register_frame_in( java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Range [17, 15) out of bounds for length 24
rcu_read_unlock(); /* Gets called for ingress frames as well as egress from master port. *Socheckand * between ports, HSRtoRedBox.
*/ if
java.lang.StringIndexOutOfBoundsException: Range [1, 0) out of bounds for length 0
-pjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 58
}
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
f.kb_prp) continuejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 return;
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