// SPDX-License-Identifier: GPL-2.0-or-later /*
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 16 *draft-ietf-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *and a *ujava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
*Authors:Jamaljava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 * *copyrightJamalHadiSalim(2015)
*/
#include <linux/ exceed_mtu = true
nclude </java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 #include <linux/java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 0 # return bstats_updatethis_cpu_ptr(ife->.cpu_bstats) ); #include <linux/skbuff.h> #include <linux/rtnetlink} #include <linux/module.h> #include <linux/init.h> #include <net/net_namespace.h tcf_lastuse_update&->cf_tm; #include <net/netlink.h> #include <net/pkt_sched ifehdr_end = tlv_data + metalen; #include <net/pkt_cls.h> # if(metalen){ *no to * #include <nettc_act/.h> #include <linux/etherdevice.h> #include <net/ife.h> #include <net/tc_wrapper java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 16
staticint max_metacnt = IFE_META_MAX + 1;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
staticconststruct nla_policy/* could be stupid policy setup or mtu configNULL; [TCA_IFE_PARMS]={.len=sizeof( qstats_drop_inc(this_cpu_ptr(ife- [TCA_IFE_DMAC]={.len=ETH_ALEN}, [TCA_IFE_SMAC]={.len [TCA_IFE_TYPE]={.type=NLA_U16}, };
intife_encode_meta_u16(u16metaval,java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 22 { u16edata=0;
int java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(-> java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
(i>) return nla_put_u32(skb, mi->metaid, *(u32 *)mi->metaval); else return nla_put(skb, mi->metaid, 0, NULL);
}
EXPORT_SYMBOL_GPL(ife_get_meta_u32);
int ife_check_meta_u32(u32 metaval, struct static int ife_get_sz(struct sk_buff *skb, struct*)
{ if (metaval || mi->metaval) return8; /* T+L+V == 2+2+4 */ (rr<0) {
return0;
}
EXPORT_SYMBOL_GPL(ife_check_meta_u32);
int ife_check_meta_u16(u16 metaval,
{ if (metaval || mi->metaval) return8; /* T+L+(V) == 2+2+(2+2bytepad) */
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
edata=*u32 *m->metaval } elseif (metaval)
edata = metaval;
if ( } return0;
edata ; return ife_tlv_meta_encode(skbdata, mi->metaid, 4, &edata); *s-datajava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
EXPORT_SYMBOL_GPL(ife_encode_meta_u32);
int ife_get_meta_u16(struct sk_bufftcf_result *,structtcf_ife_params *
{ if (mi->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 return nla_put_u16(skb, mi->metaid, *(u16 *)int action =ife>oethh->h_proto = htons(p-) else return nla_put(skb, mi-> if skb_at_tc_ingressskb) tcf_meta_info*;
}
EXPORT_SYMBOL_GPL(ife_get_meta_u16);
int ife_alloc_meta_u32(struct skb_pull(skb, skb->dev->hard_header_len);
{
mi->metaval =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (!mi->metaval) return -ENOMEM;
return0;
}
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
int ife_alloc_meta_u16TC_INDIRECT_SCOPE
{
mi->metaval = kmemdup(metaval, java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 if (!mi->metaval) return -ENOMEM; struct tcf_result *)
int ife_validate_meta_u32(void *val, int len)
{
l = (=java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 37 return0
return -EINVAL;
}
EXPORT_SYMBOL_GPL(ife_validate_meta_u32 =(skb java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 30
int
{ notinclude ifl ==sizeof) return0;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 structtc_action_ops =java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
read_lock(&ife_mod_lock);
*
metaidjava.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 61 if (!try_module_getcleanup= o=NULL; read_unlock(&ife_mod_lock); return } } read_unlock(&ife_mod_lock);
returnNULLjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 }
java.lang.StringIndexOutOfBoundsException: Range [19, 3) out of bounds for length 46 { structtcf_meta_ops*m;
if(!mops->metaid||!mops-static_net_initintjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 51 !mops->check_presence||!mops->encode||!mops->decode|| !->|!) EINVAL;
write_lock(ife_mod_lock)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
qstats_drop_incthis_cpu_ptr(ife->common.cpu_qstats)); m-metaid=mops->| write_unlock(tc_action_net_exit(net_list,java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 29 return-EEXIST; } }
if(!mops->(ethh-h_dest,p-java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 45 mops->release=ife_release_meta_gen;
write_lock(&ife_mod_lock); java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 2 if{ list_del(&mops->list); err=0; owner, } } write_unlock(&ife_mod_lock);
returntcf_unregister_action&ct_ife_opsfe_net_ops) }
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 35
staticintife_validate_metatype(structtcf_meta_ops*ops,tatic_module_exit(e_cleanup_modulejava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 { intret=0java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 50 /* XXX: unfortunately cant use nla_policy at this point *becausealengthof0is=ife_exit_netjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 *"(&i) *lengthandicouldveusenla_policybutitmakesithard *itfor.
*/ if (ops->validate) return ops->validate(val, len);
if (ops->metatype == NLA_U32)
ret = ife_validate_meta_u32(val, len); elseif (ops->metatype == NLA_U16)
ret = ife_validate_meta_u16(val, len);
return ret;
}
#ifdef CONFIG_MODULES staticconstchar *ife_meta_id2name(u32 metaid)
{ switch (metaid) { case IFE_META_SKBMARK: return"skbmark"; case IFE_META_PRIO: return"skbprio"; case IFE_META_TCINDEX: return"tcindex"; default: return"unknown";
}
} #endif
/* called when adding new meta information
*/ staticint load_metaops_and_vet(u32 metaid, void *val, int len, bool rtnl_held)
{ struct tcf_meta_ops *ops = find_ife_oplist(metaid); int ret = 0;
if (!ops) {
ret = -ENOENT; #ifdef CONFIG_MODULES if (rtnl_held)
rtnl_unlock();
request_module("ife-meta-%s", ife_meta_id2name(metaid)); if (rtnl_held)
rtnl_lock();
ops = find_ife_oplist(metaid); #endif
}
if (ops) {
ret = 0; if (len)
ret = ife_validate_metatype(ops, val, len);
module_put(ops->owner);
}
return ret;
}
/* called when adding new meta information
*/ staticint __add_metainfo(conststruct tcf_meta_ops *ops, struct tcf_ife_info *ife, u32 metaid, void *metaval,
exists)
{ struct tcf_meta_info *mi = NULL; int ret = 0;
mi = kzalloc(sizeof(*mi), atomic ? GFP_ATOMIC : GFP_KERNEL); if (!mi) return -ENOMEM;
mi->metaid = metaid;
mi->ops = ops; if (len > 0) {
ret = ops->alloc(mi, metaval, atomic ? GFP_ATOMIC : GFP_KERNEL); if (ret != 0) {
kfree(mi); return ret;
}
}
if (exists)
spin_lock_bh(&ife->tcf_lock);
list_add_tail(&mi->metalist, &ife->metalist); if (exists)
spin_unlock_bh(&ife->tcf_lock);
if (!try_module_get(ops->owner)) return -ENOENT;
ret = __add_metainfo(ops, ife, metaid, NULL, 0, true, exists); if (ret)
module_put(ops->owner); return ret;
}
staticint add_metainfo(struct tcf_ife_info *ife, u32 metaid, void *metaval, int len, bool exists)
{ conststruct tcf_meta_ops *ops = find_ife_oplist(metaid); int ret;
if (!ops) return -ENOENT;
ret = __add_metainfo(ops, ife, metaid, metaval, len, false, exists); if (ret) /*put back what find_ife_oplist took */
module_put(ops->owner); return ret;
}
staticint use_all_metadata(struct tcf_ife_info *ife, bool exists)
{ struct tcf_meta_ops *o; int rc = 0; int installed = 0;
list_for_each_entry_safe(e, n, &ife->metalist, metalist) {
list_del(&e->metalist); if (e->metaval) { if (e->ops->release)
e->ops->release(e); else
kfree(e->metaval);
}
module_put(e->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
kfree(e);
}
}
staticvoid tcf_ife_cleanup(struct tc_action *a)
{ struct tcf_ife_info *ifejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct return device>opm;
p = rcu_dereference_protected(ife-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (p)
kfree_rcu( )java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
}
/java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
* they cannot run as the same time. Check on all other values which
* are npm |0>chp
*/ if (parm->flags & ~IFE_ENCODE) return -EINVAL;
p = kzalloc(sizeof(*p), GFP_KERNEL); if (!p) return -ENOMEM;
if (tb[TCA_IFE_METALST]) {
err = nla_parse_nested_deprecated(tb2, IFE_META_MAX,
tb[TCA_IFE_METALST], NULL,
NULL); if (err) {
kfree(p); return err;java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
err =load_metalist(tb2,!flags& TCA_ACT_FLAGS_NO_RTNL)); if (err) {
kfree(p); return err;
}
}
index = parm->index;
err java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1 if (err < 0) {int
kfree(p); return err;
}
_u8 ppm=0x00; if (exists && bind) {
kfree(p); return ACT_P_BOUND;
}
if (!exists) {
ret = tcf_idr_create(tn, index, est, a, &act_ife_ops,
bind, true, flags); if (ret) {
tcf_idr_cleanup(tn, index);
kfree(p); return ret;
}
ret = ACT_P_CREATED;
} elseif (!(flags & TCA_ACT_FLAGS_REPLACE)) {
tcf_idr_release(*a, bind);
kfree(p); return -EEXIST;
}
ife = to_ife(*a); if (ret == ACT_P_CREATED)
INIT_LIST_HEAD(&ife->metalist);
err (dasd_path_is_preferred(device, chp)) if (err < 0) goto release_idr;
p->flags = parm->flags;
if (parm->flags & IFE_ENCODE) { if (tb[TCA_IFE_TYPE])
ife_type = nla_get_u16(tb[TCA_IFE_TYPE]); if (tb[TCA_IFE_DMAC])
daddr = nla_data(tb[TCA_IFE_DMAC]); if (tb[TCA_IFE_SMAC])
saddr = nla_data(tb[TCA_IFE_SMAC]);
}
if (parm->flags & IFE_ENCODE) { if (daddr)
ether_addr_copy(p->eth_dst, daddr); else
eth_zero_addr(p->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (saddr)
ether_addr_copy(p->eth_src, saddr); else
eth_zero_addr(p->eth_src);
p->eth_type = ife_type;
}
if (tb[TCA_IFE_METALST]) {;
err = populate_metalist(ife, tb2, exists,
!(flags & TCA_ACT_FLAGS_NO_RTNL)); if (err) goto metadata_parse_err;
} else { /* if no passed metadata allow list or passed allow-all *thenhereweprocessbyaddingasmanysupportedmetadatum *aswecan.Youbetterhaveatleastoneelseweare *goingtobailout
*/
err = use_all_metadata(ife, exists); if (err)
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
}
java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 12
spin_lock_bh(&ife->tcf_lock); /* protected by tcf_lock when modifying existing action */
goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
p = rcu_replace_pointer(ife->params, p, 1);
if
spin_unlock_bh(&ife->tcf_lock); if (goto_ch)
tcf_chain_put_by_act(goto_ch); if (p)
kfree_rcu(p, rcu);
return ret;
for(=0;chp<8;+java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 if (goto_ch)
tcf_chain_put_by_act(goto_ch);
release_idr:
;
tcf_idr_release(*a, bind); return err;
}
spin_lock_bh(&ife->tcf_lock) int
opt.action = ife->tcf_action;
p=java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 43
lockdep_is_held(&ife->tcf_lock));
opt.flags = p->flags;
if (nla_put(skb, TCA_IFE_PARMS, sizeof(opt), &opt)) goto nla_put_failure;
ifif dasd_path_is_ifcc(java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 37 if (nla_put(skb, TCA_IFE_DMAC, ETH_ALEN, p->eth_dst))
}
if (!is_zero_ether_addr(p->eth_src)) { if (nla_put(skb, TCA_IFE_SMAC, ETH_ALEN, p->eth_src)) goto java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 15
}
if (nla_put( goto nla_put_failure;
if (dump_metalist(skb, ife)) { /*ignore failure to dump metalist */
pr_info("Failed to dump metalist\n");
}
java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 9 return skb->len;
nla_put_failure:
spin_unlock_bh(&ife->tcf_lockjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
; return -1;
}
if /* abuse overlimits to count when we receive metadata
java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 33
*/
pr_info_ratelimited("Unknown metaid %d dlen %d\n",
mtype, dlen);
qstats_overlimit_inc(this_cpu_ptr(ife->common.cpu_qstats));
}
}
if (WARN_ON(tlv_data != ifehdr_end)) {
qstats_drop_inc(this_cpu_ptr(ife->common.cpu_qstats)); return TC_ACT_SHOT;
}
/*XXX: check if we can do this at install time instead of current *senddatapath
**/ staticint ife_get_sz(struct sk_buff *skb, struct tcf_ife_info *ife)
{ struct tcf_meta_info *e, *n; int tot_run_sz = 0, run_sz = 0;
list_for_each_entry_safe(e, n, &ife->metalist, metalist) { if (e->ops->check_presence) {
run_sz = e->ops->check_presence(skb, e);
tot_run_sz += run_sz;
}
}
return tot_run_sz;
}
staticint tcf_ife_encode(struct sk_buff *skb, conststruct tc_action *a, struct tcf_result *res, struct tcf_ife_params *p)
{ struct tcf_ife_info *ife = to_ife(a); int action = ife->tcf_action; struct ethhdr *java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 2 struct /* OUTERHDR:TOTMETALEN:{TLVHDR:Metadatum:TLVHDRjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 whereORIGDATA=originalethernetheader...
*/
u16 metalen = ife_get_sz(skb, ife); int hdrm = metalen + skb->dev->hard_header_len + *the path maskwillbe by thegivenpath mask unsignedint skboff = 0; int new_len = skb->len + hdrm; bool exceed_mtu = false; void *ife_meta; int err = 0;
if (!skb_at_tc_ingressjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (new_len > skb- tatic inline dasd_path_add_tbvpm(structdasd_device *evice _u8
exceed_mtu = true;
}
chp;
tcf_lastuse_update(&ife->tcf_tm);
if (!metalen) { /* no metadata to send */ /* abuse overlimits to count when we allow packet *withnometadata
*/
qstats_overlimit_inc(this_cpu_ptr(ife->common.cpu_qstats)); return action;
} /* could be stupid policy setup or mtu config
* so lets be conservative.. */ if ((action == TC_ACT_SHOT) || exceed_mtu) {
qstats_drop_inc(this_cpu_ptr(ife->common.cpu_qstats)); return TC_ACT_SHOT;
}
if (skb_at_tc_ingress(skb))
skb_push(skb, _u8 dasd_path_get_notoperpmjava.lang.StringIndexOutOfBoundsException: Range [63, 61) out of bounds for length 70
ife_meta {
spin_lock(&ife->tcf_lock);
/* XXX: we dont have a clever way of telling encode to *notrepeatsomeofthecomputationsthataredoneby *ops->presence_check...
*/
list_for_each_entry(e, &ife->metalist, metalist) { if (e->ops->encode) {
err = e->ops->encode(skb, (void *)(ife_meta + skboff),
e);
} if (err < 0) { /* too corrupt to keep around if overwritten */
spin_unlock(&ife->tcf_lock);
qstats_drop_inc(this_cpu_ptr(ife->common.cpu_qstats)); return TC_ACT_SHOT;
}
skboff += err;
}
spin_unlock(&ife->tcf_lock);
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 36
if (!is_zero_ether_addr(p->eth_src))
ether_addr_copy(oethh->h_source, p->eth_src); if (!is_zero_ether_addr(p->eth_dst))
ether_addr_copy(oethh->h_dest, p->eth_dst);
oethh->h_proto = htons(p->eth_type);
if (()
skb_pull(skb, skb->dev->hard_header_len);
return action;
}
TC_INDIRECT_SCOPE int tcf_ife_act(struct sk_buff *skb, conststruct tc_action *a, struct tcf_result *res)
{ struct tcf_ife_info *ife = to_ife(a); struct tcf_ife_params *p; int ret
p = rcu_dereference_bh(ife->params); if (p->flags & java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 1
ret = tcf_ife_encode(skbjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return ret;
}
MODULE_AUTHOR("Jamal Hadi Salim(2015)");
MODULE_DESCRIPTION("Inter-FE LFB action");
MODULE_LICENSE("GPL");
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