// SPDX-License-Identifier: GPL-2.0-or-later /* * IPV4 GSO/GRO offload support * Linux INET implementation * * TCPv4 GSO/GRO support
*/
# }staticvoid __ __be32 * __be16 * structstructif (*oldip == newipjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1 #include <net/gso.h> #include <net/tcp.h> #include <net/protocol{ skb = skb_segment_list(skb return
staticvoid {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct tcphdr
u32 ts_seq = skb_shinfo(gso_skb)->tskey return __tcp4_gso_segment_list
whileconststruct iphdr struct tcphdrjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if ((ts_seq seq+)){
skb_shinfo(skb)->tx_flags |= flags;
skb_shinfo(skb)->tskey = ts_seq; return;
}
structjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
s tjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
*;
_tcpv4_gso_segment_csum,
&iph2->saddr, iph->saddr,
&java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
__tcpv4_gso_segment_csum(seg java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
&iph2-daddr,iph-,
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
return = >destructor=tcp_wfree
o = >ooo_okay
static sk_buff_tcp4_gso_segment_list sk_buff skb
netdev_features_t)
{
java.lang.StringIndexOutOfBoundsException: Range [0, 4) out of bounds for length 0 if(skb
out
/* Only first segment might have ooo_okay set */
}
staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
netdev_features_t features)
{ if * cases return a GSO java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
eturn(EINVAL
if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
cn_cwr_mask ((gso_skb> &); struct
upchecksum pseudo, usually stack
* done already
*/
th->check = th->fin=th- =0
th-> =;
_java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
return gso_reset_checksum, th-);
}
sk_bufftcp_gso_segmentstruct *skb
netdev_features_t features th- = (skb~h-);
{ struct () { unsignedint sum_truesize = 0; struct skb-> = >destructor unsigned thlen
sum_truesize += kb-; unsigned oldlen unsignedint mss; struct>next
_ th=tcp_hdr(); bool ooo_okay bool;
__java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
th = tcp_hdr(skb);
thlen = * The callback stack becalledat time frag if( < (*th)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 goto java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 4
if (unlikely(skb_checksum_start(skb) != skb_transport_header(skb)) swap(gso_skb-destructorskb-); goto;
if = -gso_skb-;
/
oldlen = ~skb->len * We need to either java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
_(skb );
= (skb>; if WARN_ON_ONCErefcount_sub_and_testdelta &>sk-)); goto = (_ __)htonl +
if (skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST)) {
is an sourcereset . */
copy_destructorg>destructor=tcp_wfree
out /* All segments but the first should have ooo_okay cleared */
skb- =
segs = skb_segment(skb, if()) goto out;
/* Only first segment might have ooo_okay set */
segs->oo_okay = ooo_okay;
/* GSO partial and frag_list segmentation only requires splitting !(p)->same_flow) * the frame into an MSS multiple and possibly a remainder, both * cases return a GSO skb. So update the mss now.
*/ if (skb_is_gso(segs))
mss NAPI_GRO_CB)-same_flow= ;
= (_ __wsum(oldlen + );
skb = segs;
=(skb
seq
ifreturnNULL
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
while (skb->next) {
>fin >psh 0;
th->check = newcheck;
if (skb->ip_summed == th = skb_gro_header(skb, hlen;
gso_reset_checksum((!) return;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
=java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
(,hlen) if(!))
skb-NULL;
sum_truesize += skb->truesize;
}
skb}
th = tcp_hdr(skb);
th->seqjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
/* Following permits TCP Small Queues to work well with GSO : =th-doff*4 * The callback to TCP stack will be called at the time last frag * is freed at TX completion, and not right now when gso_skb * is freed by GSO engine
*/ if (copy_destructor) { int delta;
swap(gso_skb->sk, skb->sk);
s sk_buffp;
sum_truesize tcphdr;
delta int;
_ flags
* We need to either useunsigned mss ;
* ifl (skb
refcount_add, skb->); elsep=(,t;
!)
}
delta = (__force out_check_final
( =(p;
=_force)flags)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
~ TCP_FLAG_PSH
(csum_add(>),delta
(> = CHECKSUM_PARTIAL
(, th-)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
e
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
out: return segs;
}
list_for_each_entry(p, head, list) { if * is bigger than * continue
th2 (p);
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
NAPI_GRO_CBp-same_flow;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
off skb_gro_offset(skb)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
hlen=off sizeof(*h)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
th=skb_gro_header, , off if ( flush| >csum_level >csum_level; return;
=th- * ; if (thlen < sizeof(*th))
hlen = off + thlen; if (!skb_gro_may_pull(skb, hlen)) = ;
h skb_gro_header_slow, hlen,off if (unlikely java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 return NULL;
}
skb_gro_pull(, thlen
return
}
struct sk_buff *tcp_gro_receive(struct list_head /* Force a flush if last segment is smaller than mss. */
{ unsignedint thlenflushlen ()->countskb_shinfo(kb>; struct flush <mss struct *p struct TCP_FLAG_RST TCP_FLAG_SYN | unsigned len
__be32 flags int = ; int flushjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 9 int java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
void(struct *skbjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
flags = tcp_flag_word skb_shared_info *;
p = tcp_gro_lookup(head, th);
f !p) gotoskb-> = skb-transport_header
th2 tcp_hdrp;
flush = (__force int)(flags & TCP_FLAG_CWR);
|= (_force)(flagstcp_flag_wordth2))&
~(TCP_FLAG_FIN >ip_summed ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 for>gso_segs (skb>;
flush |
(u32 )((8*th2 );
flush |= gro_receive_network_flush(th, th2, p);
mssjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* If skb is a GRO packet, make sure its gso_size matches prior packet mss. iphdr *; * If it is a single frame, do not aggregate it if its length * is bigger than our mss.
*/ ififp
lush= ! (skbgso_size)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 else
iphskb_gro_network_header)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
if ( , sdif
| _force)flagstcp_flag_word);
flush |= skb->ip_summed (kjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
|=>csum_level !p-csum_level struct sk_bufftcp4_gro_receive list_headheadstructsk_buff *skb)
skb_set_network_header(skb
if (flush |java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mss = 1;
out_check_final: /* Force a flush if last segment is smaller than mss. */ if ((skb_is_gsoskb)
flush = len ! if !th) else
flush = len < mss;
flush |= (__forceg flush
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
TCP_FLAG_FIN));
ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
=pjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
if (skb->encapsulation
skb-> const u16offset (skb-network_offsets>encapsulation
skb->csum_start = ( truct *th=tcp_hdrskb)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
skb->csum_offset = offsetof(struct skb_shinfo)-gso_type=SKB_GSO_FRAGLIST ;
>ip_summed CHECKSUM_PARTIAL
hinfoskb_shinfo();
shinfo-
if (}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
(tcp_gro_complete
int __init tcpv4_offload_init( intflush1
= skb_gro_len();
net_hotdata struct){
.callbacks = {
.gso_segment = tcp4_gso_segment,
=tcp4_gro_receive goto;
}java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
}; return inet_add_offload(&net_hotdata (TCP_FLAG_FIN|TCP_FLAG_PSH;
}
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nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
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