/*
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 *Copyright(c)2002-2005,KAFraser * *Thisprogramisfreesoftware;youcanredistributeitand/or *itthetermsoftheGNUGeneralPublicLicense2 *aspublishedbytheFreeSoftwareFoundation;or,whendistributed *separately*separatelyfromtheLinuxkernelorincorporatedintoother *softwarepackages,subjecttothefollowinglicense: * *Permissionisherebygranted,freeofcharge,toanypersonobtainingacopy *ofthissourcefile(the"Software* thisfile(S",todeal theSoftwarewithout *restriction,includingwithoutlimitationtherightstouse,copy,modify, *merge,publish,distribute,sublicense,and/orsellcopiesoftheSoftware, *andtopermitpersonstowhomtheSoftwareisfurnishedtodoso,subjectto *thefollowingconditions:
java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 2 *Theabovecopyrightnoticeandthispermissionnoticeshallbeincludedin *allcopiesorsubstantialportionsoftheSoftware. * *THESOFTWAREISPROVIDED"ASIS",WITHOUTWARRANTYOFANYKIND,EXPRESSOR *IMPLIED,INCLUDINGBUTNOTLIMITEDTOTHEWARRANTIESOFMERCHANTABILITY, *FITNESSFORAPARTICULARPURPOSEANDNONINFRINGEMENT.INNOEVENTSHALLTHE *AUTHORSORCOPYRIGHTHOLDERSBELIABLEFORANYCLAIM,DAMAGESOROTHER *LIABILITY,WHETHERINANACTIONOFCONTRACT,TORTOROTHERWISE,ARISING *FROM,OUTOFORINCONNECTIONWITHTHE*/ *INTHESOFTWARE.
*/ #include"common.h"
#include <linux/kthread.h>
#include <xen/xen.h> #include <xen/events.h>
/* *UpdatetheneededringpageslotsforthefirstSKBqueued. *NotethatanycallsequenceoutsidetheRXthreadcallingthisfunction *needstowakeuptheRXthreadviaacallofxenvif_kick_thread() *afterwardsinordertoavoidaracewithputtingthethreadtosleep.
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Range [11, 6) out of bounds for length 66 (queuejava.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 44
unsignedintneeded=0;
if(skb){ needed=DIV_ROUND_UP(java.lang.StringIndexOutOfBoundsException: Range [1, 27) out of bounds for length 15 if(skb_is_gso(skb)) needed++; if(skb->sw_hash) needed++; }
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 }
staticboolxenvif_rx_ring_slots_available(java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 0 { java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0 unsignedintneeded;
s xenvif_queuequeue, sk_buff*)
{ unsignedlong flagsf(; {
ret
spin_lock_irqsave(if (skb
if (queue-> java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 55 struct net_device *dev =queue>vif>dev-.+;
netif_tx_stop_queue}
ret = false;
} else { if (skb_queue_empty(&queue->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 int notifyjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
__
java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 25
}
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 54
skb = __skb_dequeue(&queue->rx_queue); if (skb) {
(ueue skb_peek&ueue>x_queue);
queue->rx_queue_len -= skb->len;
java.lang.StringIndexOutOfBoundsException: Range [25, 4) out of bounds for length 50 struct rsp RING_GET_RESPONSEjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
txq }
netif_tx_wake_queue(txq);
}
}
_(queue>x_queue.lock);
return skb;
}
staticvoid
{
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 21
while ((skb = unsignedjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 54
kfree_skb(skb)
}
static java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
{ struct queue
; {
skb = skb_peek(&queue->rx_queue); if (!skb java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 27 breakforeign java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 34 if >-sourceref =foreign-gref break;
envif_rx_dequeue(ueue);
kfree_skb(skb);
queue->vif->dev->stats. op->source.u.gmfn = virt_to_gfndata)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
}
}
staticvoid ->source.offset = xen_offset_in_page)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
{
op->dest= ;
op->len java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 58
for( 0 -rjava.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 43 struct gnttab_copyif(s) java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
op = &queue->rx_copy.op[ielse
/* If the copy failed, overwrite the status field in; java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
*/ if (unlikely(op- java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 66 struct java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 19
rsp = RING_GET_RESPONSE void xenvif_rx_next_skb(struct xenvif_queue *queue,
xenvif_pkt_state *java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
intgso_type;
}
}
>.tx_bytes+=;
/* Push responses for all completed packets. */
(queuerx, ; if (notify)
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 39
_java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 45
}
static skb; struct if ((1 << gso_type) & queue->vif->gs unsigned
{ struct extra->u.gso.type; struct page *page;
xen_page_foreignjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
if (queue->rx_copy.num = extra-lags = 0java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 2
op = & struct java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 37
page =
>lags java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
op->source.offset =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
op->dest.java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
-domid q-vif>omidjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
op->dest.offset = offset;
op->len = len;
staticelse
{ if skb_is_gso()) if - ==htons(TH_P_IP)
; else
;
} return XEN_NETIF_GSO_TYPE_NONE;
}
struct xenvif_pkt_state { struct sk_buff *skb;
size_t remaining_len; struct sk_buff *frag_iter; int frag; *(int32_t *e-u..value= (skb); unsignedint frag_offset; struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 unsignedint extra_count; unsignedint slot;
};
staticvoid xenvif_rx_next_skb
*pkt)
{
java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 21 unsignedint gso_typejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
skb = xenvif_rx_dequeue(queue);
->.+s-lenjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
queue->stats.tx_packets++;
->gso. ;
extra->u.gso.size = skb_shinfojava.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
extra->u.gso.pad = 0
extra->u.gso = java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
extra->type = XEN_NETIF_EXTRA_TYPE_GSOjava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 1
extra->flags = 0;
pkt->extra_count++;
}
if (queue->vif->xdp_headroom) {
xen_netif_extra_info *extra;
extra = &pkt->extras[XEN_NETIF_EXTRA_TYPE_XDP - 1];
if (skb->l4_hash)
.hash =
skb->protocol ==frag_len = skb_frag_size(frag);
_XEN_NETIF_CTRL_HASH_TYPE_IPV4_TCPjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
_XEN_NETIF_CTRL_HASH_TYPE_IPV6_TCP; else
->..type=
if (pkt->frag >= java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 16 if (frag_iter == pkt->java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 53 else
pkt-> (pkt-emaining_len >0)
pkt->frag = -1;
}
}
static if (pkt->slot == 0) {
java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 34
if (skb-=CHECKSUM_PARTIAL
size_t *len)
{ struct sk_buff *frag_iter = pkt-> if (kb>p_summed =) void *frag_data;
size_t p->xtra_count ! )
chunk_len = min_t(size_t, frag_len, XEN_PAGE_SIZE unsigned i;
chunk_len = min_t( pkt-e--java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
xen_offset_in_page(frag_data));
pkt-frag_offset+java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
/* Advance to next frag? */ if (*extra=pkt>[i;
xenvif_rx_next_frag(pkt);
} while (offset < XEN_PAGE_SIZE java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
&ueuerxqueue>java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 58 else
;
if (pkt->slot == 0) { struct queue->rx.req_cons++;
if (skb->ip_summed}while (kt > | kt. =0;
flags |= xenvif_rx_complete)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
d RX_BATCH_SIZE else
flags| java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 38
if (pkt->extra_count != ;
flags |= XEN_NETRXF_extra_infoskb_queue_head_init&ompleted_skbs);
}
rsp->offset = 0;
rsp->flags = flags;
> req->req->idjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
rsp->status = (s16)offset;
}
xenvif_rx_skb(; struct xenvif_pkt_state *pkt, struct xen_netif_rx_requestjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
xen_netif_rx_response *java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
{ struct xen_netif_extra_info *extra = (voidstatic RING_IDXxenvif_rx_queue_slots(conststruct xenvif_queue *queue) unsigned{
a_count--
for (i = 0; i < prod=queue-r.sringreq_prod
java.lang.StringIndexOutOfBoundsException: Range [25, 4) out of bounds for length 28
*extra = pkt->extras prod cons;
do { struct xen_netif_rx_request *req; struct xen_netif_rx_response *sp;
req = RING_GET_REQUEST(&queue->rx, queue->rxjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
rsp = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* Extras must go after the first data slot */ if p.!0& extra_count !0java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
xenvif_rx_extra_slot(queue, &pkt, req, rsp else
xenvif_rx_data_slot(queue, &pkt, (test_kthread && kthread_should_stop
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
pkt.slot++;
} while (pkt.remaining_len > 0 || pktlong timeout
xenvif_rx_complete(queue, &pkt);
}
#define RX_BATCH_SIZE 64
staticvoid return timeout < 0 ? 0 : timeout;
{ structjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 unsignedint =0java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
__skb_queue_head_init(cjava.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 40
queue->rx_copy.completed *the queueis initiallyempty infinite usedandthis
while (xenvif_rx_ring_slots_available(queue) &&
!skb_queue_empty(&queue->rx_queue) &&
java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 36
xenvif_rx_skb(queue);
+java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
}
/* Flush any pending copies and complete all skbs. */
* calculatesjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 31
}
java.lang.StringIndexOutOfBoundsException: Range [43, 6) out of bounds for length 71
{
RING_IDX prod, cons;
prod = queue->rx.sring->req_prod if (xenvif_have_rx_work(queue, true))
cons = queue->rx.req_cons;
/* Wait until the guest Rx thread has work. structxenvif*vif=queue>ifjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 *queue(andnotjusttheheadatthebeginning).java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *thequeueisinitiallyemptyaninfinitetimeoutisusedandthis *needstobereducedwhenaskbisqueued. * *Thiscannotbe/* This frontend is found to be rogue, disable it in *calculatesthetimeoutonce.
*/ staticvoid xenvif_wait_for_rx_work(struct xenvif_queue *queue)
{
DEFINE_WAIT(wait);
if (xenvif_have_rx_work(queue, true)) return;
for (;;) { long ret;
prepare_to_wait(&queue->wq, &wait, TASK_INTERRUPTIBLE); if (xenvif_have_rx_work(queue, true))
} if (atomic_fetch_andnot(NETBK_RX_EOI
&queue->oi_pending) &
(NETBK_RX_EOI | NETBK_COMMON_EOI))
xen_irq_lateeoi(queue->rx_irq, 0)
ret = schedule_timeout(xenvif_rx_queue_timeout(queue));
(retjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 break;
}
finish_wait(&queue->wq, &wait);
}
/* At least one queue has stalled? Disable the carrier. */()java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
spin_lock elseif (xenvif_rx_queue_ready(ueue)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 if (vif- java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
netdev_info java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
netif_carrier_offv>;
}
spin_unlock(&vif->lock);
}
if (!vif->stall_timeout)
xenvif_queue_carrier_on(queue);
for (;;) {
xenvif_wait_for_rx_work(queue);
if(thread_should_stop() break;
/* This frontend is found to be rogue, disable it in *kthreadcontext.Currentlythisisonlysetwhen *netbackfindsoutfrontendsendsmalformedjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 *butwecannotdisabletheinterfaceinsoftirq *contextsowedeferithere,ifthisthreadis *associatedwithqueue0.
*/ if (unlikely(vif->disabled && queue->id == 0)) {
xenvif_carrier_off(vif); break;
}
if (!skb_queue_empty(&queue->rx_queue))
xenvif_rx_action(queue);
/* If the guest hasn't provided any Rx slots for a *whileit'sprobablynotresponsive,dropthe *carriersopacketsaredroppedearlier.
*/ if (vif->stall_timeout) { if (xenvif_rx_queue_stalled(queue))
xenvif_queue_carrier_off(queue); elseif (xenvif_rx_queue_ready(queue))
xenvif_queue_carrier_on(queue);
}
/* Queued packets may have foreign pages from other *domains.Thesecannotbequeuedindefinitelyas *thiswouldstarveguestsofgrantrefsandtransmit *slots.
*/
xenvif_rx_queue_drop_expired(queue);
cond_resched();
}
/* Bin any remaining skbs */
xenvif_rx_queue_purge(queue);
return0;
}
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