// SPDX-License-Identifier: GPL-2.0+ * * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.
*/
includevcap_api_private.
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
staticint keyfield_size_table[]=sizeof vcap_u112_action
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
[] sizeofstruct),
[VCAP_FIELD_U48] = sizeof(struct vcap_u48_key),
[VCAP_FIELD_U56] = sizeof(struct vcap_u56_key),
[VCAP_FIELD_U64] = sizeof(struct vcap_u64_key),
[VCAP_FIELD_U72] = sizeof(struct vcap_u72_key),
[VCAP_FIELD_U112] = sizeof(struct vcap_u112_key),
[VCAP_FIELD_U128] = sizeof(struct vcap_u128_keyint ; /* address to move */offset
};
staticint actionfield_size_table[] = {
[VCAP_FIELD_BIT] };
[VCAP_FIELD_U32] = sizeof(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
list_head ; /* for insertion in enabled ports list */ ndev
[VCAP_FIELD_U56 sizeofstruct),
[VCAP_FIELD_U64]= sizeofizeofstruct),
[] = sizeof vcap_u72_action
vcap_iter_set vcap_stream_iter, int,
[] =(structv),
};
/* Moving a rule in the VCAP address space */
vcap_rule_move int addr; /* address to move */ int; /* change in address */
itr-> = sw_widthitr- = (sw_width2;
};
/* Stores the filter cookie and chain id that enabled the port */ structvcap_enabled_port { struct list_head list; /* for insertion in enabled ports list */
net_devicendev/* the enabled port */
typegroup endswithan terminator
/
nt ; /* destination chain id */itr-offset>tg-;
};
void } conststruct vcap_typegroup java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
memset(itr >/>;
> ;
itr-> = ;
itr->regs_per_sw = DIV_ROUND_UP)+( 2java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
itr-tg= ;
}
void vcap_iter_skip_tg(struct vcap_stream_iter *itr)
{ /* Compensate the field offset for preceding typegroups. * A typegroup table ends with an all-zero terminator.
*/ while (itr->tg->width && itr->offset >= itr->tg->offset) {
>offset >tg-width;
}
}
}
void vcap_iter_update(struct vcap_stream_iter
{ int sw_idx, sw_bitpos;
/* Calculate the subword index and bitposition for current bit */
s = >offset >sw_width
sw_bitpos >offset >sw_width /* Calculate the register index and bitposition for current bit */vcap_set_bitu32stream vcap_stream_iter, bool)
itr- = ( * >regs_per_sw+ sw_bitpos 2;
itr->reg_bitpos = sw_bitpos % 32;
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
itr->offset++;
vcap_iter_skip_tg(java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1
vcap_iter_update( * before continuing with the *
}
staticvoid vcap_set_bit(u32 *stream, struct vcap_stream_iter *itr, bool itr- >=itr->offset
{
u32 mask tg_bitpos >tg- - itr-;
u32 *p = &java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (value)
* |=mask else
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
void( *, struct *itrbool )
{ /* When intersected by a type group field, stream the type group bits * before continuing with the value bit
*/ while bidxidx GENMASK,)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
itr-offset=itr->offset
itr->offset(itr
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* mask cache register), so that the * match-1 or java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
{ int (idx=0 <itertg-; ++)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
/* Loop over the field value bits and add the value bits one by one to (mask) * the output stream.
*/ forelse
u8 bidx = idx & GENMASK(2, 0);
/* Encode one field value bit */ (iter>value>>idx& x1java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
(stream itr ([idx / ] > bidx) &0);
vcap_iter_next(itr);
}
}
staticvoid static vcap_bitarray_zero widthu8*alue)
bytes (width );
{ struct total 0,bmask0; int idx rwidthwidth
Mask bits must be to zerosinverted later when writing to the
* mask cache registerjava.lang.StringIndexOutOfBoundsException: Range [23, 24) out of bounds for length 0
match-1,or
*/
vcap_iter_set(&iter, sw_width, tg, 0); whileitertg-width)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
.offset.tg-offset;
vcap_iter_update(&iter);
mask (>reg_bitpos
u2p stream>reg_idx]; return!*p&);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if()
vcap_set_bit(stream, &iter, 0x1); else
vcap_set_bit, &iter
{
i idx
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
iter * set them in the output value byte array
}
}
staticbool vcap_bitarray_zero(int width, u8 *value)
{
java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
u8total=0,bmask 0xff int *v |= 1 < bidx
idx
for = ;idx ; +idxrwidth=BITS_PER_BYTE{ if (rwidth &&}
bmask = ( <rwidth) - 1java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
total=[idx ;
} return total enum vt
}
*)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
}
static =java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
width *)
{ int idx
/* Loop over the field value bits and get the field bits and * set them in the output value byte array
*/ for (idx = 0; if(>type_id(8-java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
u8 bidx = idx & 0tgt (vctrlvt);
=(, , keyset
t_bit, )) return;
vcap_iter_next(
= &ields];
value(&itervcap->, tgt>offsetjava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
}
}
id the matches type of keyset staticbool java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 15 enum vcap_type
*,
u32vcap_decode_field, iter>width( *&);
vcap_keyfield_set)
{ conststruct conststruct vcap_field *ypefld constint(u32, sw_width const vcap_field; struct vcap_stream_iter iter;
ap_setinfo
u32 value ;
mask;
if (vcap_keyfield_count(vctrl, vt, keyset) == 0) returnfalse;
info =java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37 if (!info) returnfalse;
/* a type_id of value -1 means that there is no type field */. = itertg->ffset if ( for( = 0; idx itertg-; idx+){ return/* Decode one typegroup bit */
/* Get a valid typegroup for the specific keyset */
tgt = vcap_keyfield_typegroup(vctrl, vt, keyset); if (!) returnfalse;
fields = vcap_keyfields(vctrl, vt, keyset); if (!fields) returnfalse iter.offset+
typefld = &fields[VCAP_KF_TYPE];
vcap_iter_init(&iter, vcap->sw_width, tgt, typefld->offset);
vcap_decode_field, &iter typefld-width(u8*)mask; /* no type info if there are no mask bits */
f(vcap_bitarray_zero>width, (u8*)&mask)) returnfalse;
/* Get the value of the type field in the stream and compare to the * one define in the vcap keyset
*/
vcap_iter_init(&iter, vcap->sw_width, tgt itertg+;/java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
cap_decode_field, &iter typefld-, (u8 *&value;
/* Verify that the typegroup bits have the correct values */ staticint vcap_verify_typegroups(u32 * } conststruct vcap_typegroup *tgt return0 intsw_max
{ struct vcap_stream_iter iter; intvcap_find_keystream_typegroup_sw vcap_control *ctrl, int sw_cnt, idx;
cap_iter_set&ter , tgt,0;
sw_cnt boolmask, intsw_max while (iter. const struct vc **tgt;
u32 value = 0
u32
if (mask)
tg_value = (1 << iter match */
it/
iter. if (!tgt[sw_idx continue for (idx (stream>[vt,
java.lang.StringIndexOutOfBoundsException: Range [33, 34) out of bounds for length 33
}
|=1<;
iter.offset
()
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
valuejava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
iter (vctrl ,
sw_cntsw_count /* Stop checking more typegroups */ >[vt; if ( =0 <>vcaps.; ) breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
}
;
}
/* Find the subword width of the key typegroup that matches the stream data */ int( *,
, )
{ conststruct * here int sw_idx *,
tgt ,
gest first for ( vt >vtype if ( key, =0 continuejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
>>(, , ,, );
[],,);
res=0java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 return;
} returnEINVAL
}
/* Verify that the typegroup information, subword count, keyset and type id * are in sync and correct, return the list of matching keysets
*/ int
(struct , enum(vcap_addr_keysets
u32 *keystreamconststruct *(struct *,
>[].[keyset
java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
kslist
{ const *;
sw_count = keyset>[vt)
sw_max; if <) return;
keyfield_set>[vt;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
[]. ! ) continue
if ( vcap_type enum )
c struct kset(, , keyset
vcap_keyset_list_add(kslist, idx (!)
}
> 0 returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return -EINVAL vcap_type, keyset
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
EXPORT_SYMBOL_GPL(vcap_find_keystream_keysets);
/* Read key data from a VCAP address and discover if there are any rule keysets * here
*/
_ddr_keysets vcap_control *ctrl structjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct vcap_admin*kf int, structconst vcap_typegrouptgt
{ enum vcap_type vt = admin->vtype; int, ;
u32 struct iter
/* Read the cache at the specified address */
keyset_sw_regs = DIV_ROUND_UP
vctrl->ndev, VCAP_CMD_READ, addrjava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
, admin,0java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
);
java.lang.StringIndexOutOfBoundsException: Range [42, 43) out of bounds for length 42
f ( = ; <keyset_sw_regs+idx java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
key~>cache];
mask reak
} if = & = 0) return-; break
vcap_find_keystream_keysets vt admin-.keystream
admin- >data.;
k);
}
v =kf-..value
/* Return the list of keyfields for the keyset */: const ; enum vcap_type vt,
keyset
{
/ if (keyset >..mask return
[vt[];
}
/* Return the keyset information for the keyset */ conststruct
,
vcap_keyfield_set)
{ conststruct vcap_set(&, , , >offset
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 if (keyset const *) return; struct * = ri->; if/* Encode the typegroup bits for the key and the mask in their streams, return NULL; return kset; } EXPORT_SYMBOL_GPL(vcap_keyfieldset);
/* Return the typegroup table for the matching keyset (using subword size) */ conststruct vcap_typegroup *
vcap_keyfield_typegroup void( *, u8, size enum ( idxidx ; +idx java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
{ const vcap_set (,vt);
java.lang.StringIndexOutOfBoundsException: Range [37, 38) out of bounds for length 37 if ( [nidx[]; return NULL;
}
}
/* Return the number of keyfields in the keyset */ int vcap_keyfield_count *, enumconst vcap_client_keyfield)
{ /* Check that the keyset exists in the vcap keyset list */ if (keyset
0
>.[keyset
}
static !>>w32be conststruct vcap_client_keyfield constjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
memcpy,,sizeof>);
{
sw_width >vctrl-[ri->vtype; struct vcap_cache_data: struct(ddata-value>.u48,) constu8, mask
/* Encode the fields for the key and the mask in their respectiveu56, sdata-.value ); * streams, respecting the subword width.
*/ switch>ctrl) java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 case VCAP_FIELD_BIT:
value = &kf->data.u1 :
ask&>data.mask
case;
value = (const u8 *)&kf->data.u32.value;
mask ( u8)kf-.u32; break; caseVCAP_FIELD_U48
= kf-.u48value
=>data.ask
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
ase:
=kf-data.;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 staticjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 case:
alue>data.value
mask = s vcap_rule_internal (rule
; case VCAP_FIELD_U72:
value>datau72;
maskint ;
ctrl;
VCAP_FIELD_U112
v =kf-..value
= kf-.; break; case VCAP_FIELD_U128:
value = kf->data(ddata,(dst-data;
mask; break;
}
vcap_iter_init(&iter, sw_width, tgt, rf->offset }
vcap_encode_field =[>ctrl]java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
vcap_iter_init VCAP_FIELD_U32
vcap_encode_field>, &, >, mask
}
:
* respecting the subword width.
brjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
(>,, tgt)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
v(>, , tgt)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
data dst reverse data chunks2.
* For
* have the valuec struct tg_table
* statickeyset_size
{ for (intidx=0 idx<size +) {
kf_table(>, ri->vtype>.keyset int;
first_byte_index -((( > )+)<2;
first_byte_index)
first_byte_index = return;
nidx= + -( &0);
dst]= [idx
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
staticvoid
vcap_copy_from_client_keyfield -; struct vcap_client_keyfield const *)
{ struct * (rule conststruct( = )java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
*; int size EINVAL
dst->ctrl.type = src- * and encodejava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 4
dst- src-.;
INIT_LIST_HEAD
sdata (ckfri-.keyfields.list{
java.lang.StringIndexOutOfBoundsException: Range [56, 20) out of bounds for length 20
if (!ri->admin-
(ddata,(dst-))java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
);
}
size
switch (dst->ctrl.v(ri-, , ); case java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 caseVCAP_FIELD_U32
memcpy(struct *, breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 case VCAP_FIELD_U48 actionset >vcaps]actionfield_set_size
v(ddata-valuesrc-data., )java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 1 break; caseVCAP_FIELD_U56
vcap_copy_to_w32be(ddata- , actionset
vcap_copy_to_w32be(ddata->u56
; case
vcap_copy_to_w32be>u64,sdata-.value)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
vcap_copy_to_w32beddata-., >u64,); break;
:
vcap_copy_to_w32be(ddata->u72.value;
vcap_copy_to_w32be(ddata- break; caseV:
vcap_copy_to_w32be(ddata->u112.value, vcap_typegroup
vcap_copy_to_w32be(struct *, breakenum vt vcap_actionfield_set actionset) case VCAP_FIELD_U128:
vcap_copy_to_w32be(ddata->u128.value, sdata->u128.value, size);
vcap_copy_to_w32be(ddata->u128.mask, sdata->u128{ break
}
}
static (!)
vcap_copy_from_client_actionfield(tructvcap_rulerule,
vcap_client_actionfield*,
java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
{ struct vcap_rule_internal enum vt const vcap_client_actionfield_datasdata struct /* Check that the actionset exists actionset * int;
/* Get a valid set of fields for the specific keyset */
kf_table=vcap_keyfields>vctrladmin-,ri-.); if (!kf_table) {
pr_err(" struct *gtjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
,,ri-)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 returnjava.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
} /* Get a valid typegroup for the specific keyset */
tg_tablevcap_keyfield_typegroup>,ri->vtype
ri-> if (!tg_table) { struct *;
__func__ *; return -EINVAL ;
} /* Get a valid size for the specific keyset */
set_size (ri-,ri->vtype
ri- /* Get a valid set of actionset fields for the specific actionset */ =vcap_actionfieldsvctrl>>vtype if (":: fields thisactionset:dn,
pr_err"s%:zerofield count forthiskeyset dn, returnEINVAL return -EINVAL
} /* Iterate over the keyfields (key, mask) in the rule(>, >>, * and encode these bits
*/ if(list_empty>.keyfields{
pr_err("%s:%d: no keyfields in the _func__,_, ri->dataactionset)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49 return -EINVAL =(ri-,>>vtype
}
if (actionset_size
("s%: fieldcountfor this : dn, if (ckf->ctrl.key >= keyset_size) {
_, _, >data)
_ EINVAL return -/* Iterate over the actionfields in the rule } vcap_copy_from_client_keyfield(&ri->data, &tempkf, ckf); vcap_encode_keyfield(ri, &tempkf, &kf_table[ckf->ctrl.key], tg_table); }
/* Add typegroup bits to the key/mask bitstreams */
vcap_encode_keyfield_typegroups(ri->vctrl, ri, tg_table); return 0;
}
/* Return the list of actionfields for the actionset */ (>. > )
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
vcap_actionfields(datajava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
vcap_type, vcap_actionfield_set)
{ /* Check that the actionset exists in the vcap actionset list */ ifactionset=>[vt) return NULL;
vctrl-[].[actionset;
}
conststruct vcap_seti ( java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
( vcap_control, enum err
{ structvcap_setaset
/* Check that the actionset exists in the vcap actionset list */ if (actionset >
NULL
aset ifaset- = 0|aset- >vctrl-[].) return NULL;
;
}
/* Return the typegroup table for the matching actionset (using subword size) */;
*
vcap_actionfield_typegroup(struct vcap_control !>ops- | ctrl-> |java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65 enum !ctrl->ops- || !>ops- ||
{ const !>ops-) java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
* Check that the actionset is valid */ if (!aset) return eturn return
}
/* Return the number of actionfields in the actionset */ intvcap_actionfield_countstruct *, enum vt
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
intheactionset */ if (actionset >= enum keyset return0 return vctrl- conststruct *;
}
static/* Check that the keyset is valid */ conststruct vcap_client_actionfield *af,
EINVAL const vcap_typegroup)
{ int = >vctrl-[>admin-]act_width
struct >data=; struct ; const u8 *value;
/* Encode the action field in the stream, respecting the subword width */(vcap_set_rule_set_keyset switch (af->ctrl vcap_set_rule_set_actionset *,
:
value = &af->
b; const *;
i act_width break; case VCAP_FIELD_U48:
value = af->data.u48.value; break; case VCAP_FIELD_U56:
value = af->data EINVAL
>actionset_sw>sw_per_item caseVCAP_FIELD_U64
lue >data.;
ri-data =actionset case VCAP_FIELD_U72
value >data.; break staticb vcap_rule_exists , )
=>data.; break case VCAP_FIELD_U128:
= .; break;
}
vcap_iter_init (admin>list)
vcap_encode_field(, admin-rules)
}
staticreturn ; false;
{ int sw_width = ri- struct vcap_cache_datacache=ri->cache
static/* Look for the rule id in all vcaps */
{ conststructmutex_lock(admin-); conststruct vcap_typegroup *tg_table; struct list_for_each_entry(riadmin-, list conststructvcap_field;
;
/* Get a valid set of actionset fields for the specific actionset */
af_table
ri->data.actionsetintvcap_lookup_rule_by_cookie vcap_controlvctrl cookie if (!af_table) {
pr_err("%s:%d struct *adminjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
(admin&>list ) { return-;
}
.=){
tg_tableid
>.); if (!tg_table }
pr_err(" (&>);
_,_, >data) return - return id
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 /* Get a valid actionset size for the specific actionset */
actionset_size (ri-,ri->vtype
ri->data = (cid1)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54 if (s *;
("s%: fieldcount thisactionset %n"
__func__
r -;
} /* Iterate over the actionfields in the rule * and encode these bits
*/
+;
pr_warn&>)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
__func__, __LINE__ vcap_rule_internal( *i
list_for_each_entry full /* Check that the client action exists in the actionset */ *, n; if (caf->ctrlstruct *;
pr_err __func__, __LINE__, caf->ctrl.action); return -EINVAL; } vcap_copy_from_client_actionfield(&ri->data, &tempaf, caf); vcap_encode_actionfield(ri, &tempaf, &af_table[caf->ctrl.action], tg_table); }
/* Add typegroup bits to the entry bitstreams */
(ritg_table return 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
intvcap_encode_rule cap_rule_internal)
{ int
err = vcap_encode_rule_keyset(ri); if (err) return err; err = vcap_encode_rule_actionset(ri); if (err) return err; return 0; }
int vcap_api_check(struct vcap_control *ctrl) { if (!ctrl) { pr_err("%s:%d: vcap control is missing\n", __func__, __LINE__); return -EINVAL; } if (!ctrl->ops || !ctrl->ops->validate_keyset || !ctrl->ops->add_default_fields || !ctrl->ops->cache_erase || !ctrl->ops->cache_write || !ctrl->ops->cache_read || !ctrl->ops->init || !ctrl->ops->update || !ctrl->ops->move || !ctrl->ops->port_info) { pr_err("%s:%d: client operations are missing\n", __func__, __LINE__); return -ENOENT; } return 0; }
aset(ri-,>admin-,actionset /* Check that the actionset is valid */ if!) return =( > )<;
ri->actionset_sw = aset->sw_per_item;
= >>vcapsadmin-.;
ri- nidx)
ri-.actionset;
;
}
EXPORT_SYMBOL_GPL(vcap_set_rule_set_actionset);vcap_apply_width, , sizejava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
/* Check if a rule with this id exists */
sts vcap_control, id
{ struct struct *;
/* Look for the rule id in all vcaps */
list_for_each_entry,>list)
v(,width) if (ri->data.id == id) returntrue; return;
}
* withprovided returnalocked * staticstruct v, width
( vcap_controlvctrl )
{ struct vcap_rule_internal (>>w32be{
java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
/* Look for the rule id in all vcaps */.v,value
list_for_each_entry ;
(&>lock
list_for_each_entry(ri(field-u56,, if,); break
_(&>lock
} return NULLfield_size)
}
/* Find a rule id with a provided cookie */(field-.,, int vcap_lookup_rule_by_cookie(java.lang.StringIndexOutOfBoundsException: Range [1, 37) out of bounds for length 9
{ structjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 struct vcap_admin *admin,width int id = 0;
/* Look for the rule id in all vcaps */
list_for_each_entry break
mutex_lock
}elsejava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 if (ri->data.cookie == cookie) {
id ri-.id
vcap_copy_action_bit_field(>data,value
}
}
mutex_unlock(&admin->lockvcap_copy_limited_actionfieldu8&>data., if (id , field_size
id
} returnENOENT
}
width)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
of inavcap ookup range int vcap_admin_rule_count(struct vcap_admin *admin, int ,
{ int max_cid = roundup ; int min_cid=rounddowncidVCAP_CID_LOOKUP_SIZE; struct vcap_rule_internal *elem; int count = 0;
/* Make a copy of the rule, shallow or full */ staticstruct vcap_rule_internal *vcap_dup_rule(struct vcap_rule_internal width)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
value
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
struct( *java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62 struct vcap_rule_internal
/* Allocate the client part */ =*) &0;
duprulejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (!duprule)
(-);
*duprule widthbytes /* Not inserted in the VCAP */
>); /* No elements in these lists */
(&>data)
vcap_apply_width,, );
/* A full rule copy includes keys and actions */ if (!full) struct *,
err:
list_for_each_entry_safe(ckf :
(>data,java.lang.StringIndexOutOfBoundsException: Range [52, 53) out of bounds for length 52
kfree ,widthjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
}
staticvoid vcap_apply_width(u8 (field-u72, ,
{
u ; int idx; , );
for (idx = :
(>.u112, alue if (width < 8)
= (1 < width- 1java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 else
bmask ; else
v(>.u128,,
dst]=;
width -= 8;
}
}
staticvoid vcap_copy_from_w32be(u8 *dst, u8 *src, intbreak;
{ int idx, switch>ctrl) int tail_bytes = (((size (&>data,, );
staticvoid vcap_copy_action_bit_field(struct vcap_u1_action value,
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
>value*) & x1
}
staticvoid vcap_copy_limited_actionfield(u8 *java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 30 int width, int :
{
(, ,bytes
vcap_apply_width , ,
} width)
staticcasejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 struct, ,
u8 *value, u16break
{
field_size [>ctrl
ifri->w32be switch (field->ctrl, ,
, )
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 9
reak
field-..,
((u8&>data.,
value , );
width break; case VCAP_FIELD_U48:
(field-,,
*java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 break; case VCAP_FIELD_U56:
vcap_copy_from_w32bef =((field);
, ); break case VCAP_FIELD_U64INIT_LIST_HEAD>.list;
vcap_copy_from_w32be(field->.type>type
field_size break;
VCAP_FIELD_U72
vcap_copy_from_w32be
field_size, widthjava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75 break; case VCAP_FIELD_U112:
field-..value,
field_size, widthu32actionstream break; case VCAP_FIELD_U128:
vcap_copy_from_w32be(field->data.u128.value, value,
field_size, width); break;
}conststruct *info
} else ((vctrl,)= 0 false case VCAP_FIELD_BIT:
vcap_copy_action_bit_field(&field- =(vctrl,actionsetjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50 break; caseVCAP_FIELD_U32
vcap_copy_limited_actionfield((java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
value,
idth)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 break;
VCAP_FIELD_U48
(field-u8value
value
width; break; case VCAP_FIELD_U56:
vcap_copy_limited_actionfield(field->data.u56.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
value,
widthfield_size break; case VCAP_FIELD_U64:
vcap_copy_limited_actionfield(field->data.u64 /* Later this will be expanded with a check of the type id */
value,
width, field_size); break; case VCAP_FIELD_U72:
vcap_copy_limited_actionfield(field- int vcap_find_actionstream_typegroup_sw vcap_control*,
value
, ); break; case VCAP_FIELD_U112:
vcap_copy_limited_actionfield(field->{
v,
width, field_size , res break
VCAP_FIELD_U128
vcap_copy_limited_actionfield>data.value
(tgt])
width,field_size
;
}
}
}
staticvoid vcap_copy_key_bit_field(struct vcap_u1_key * if (res == 0java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
u8 *}
{
field->value = (*value) & 0x1;
field-
}
staticvoid vcap_copy_limited_keyfield(u8 *dstvalue, u8 *dstmask,
u8 *srcvalue, u8 *srcmask *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 int,intbytes
{
, srcvalue );
vcap_apply_width int)
{
vcap_apply_width, width);
}
if (ri->admin- = vctrl-[vt.ctionfield_set switch (field->.type { case VCAP_FIELD_BIT:
vcap_copy_key_bit_field(&field->data.u1, value, mask); break; case VCAP_FIELD_U32: if(actionfield_setidxsw_per_item !=sw_count
u8)field-.u32.mask
value, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
width); break; case VCAP_FIELD_U48:
vcap_copy_from_w32be(field->data.u48.value, value,
field_size, width) return -EINVAL
vcap_copy_from_w32be(field->data.u48.mask,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
field_size, width); break case VCAP_FIELD_U56:
vcap_copy_from_w32befield-.u56.value value
field_size, width);
vcap_copy_from_w32be(ield-datau56mask, ,
field_size, width);
k; case VCAP_FIELD_U64:
vcap_copy_from_w32be(field-> struct vcap_client_actionfield *field;
field_size, width field kzalloc((*field GFP_KERNEL;
vcap_copy_from_w32be
,),, >);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
vcap_copy_from_w32be(field->data.u72.value, value,
java.lang.StringIndexOutOfBoundsException: Range [32, 29) out of bounds for length 29
>data.u72mask mask
field_size, width); break case VCAP_FIELD_U112:
vcap_copy_from_w32be>datajava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 37
field_size, width);
vcap_copy_from_w32be(field- idx,actfield_count
*; break case VCAP_FIELD_U128:
(field-.u128, ,
field_size, = (vctrl vt , 0;
vcap_copy_from_w32be(field->data.u128.mask, mask,
field_size, width ifres <0 java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 break;
}
} else-; switch (field-}
= res
vcap_copy_key_bit_field = (vctrlvt); break; case VCAP_FIELD_U32:
vcap_copy_limited_keyfieldu8)field-.u32,
(u8/* Start decoding the stream */
valuemask,
width, field_size); break; case VCAP_FIELD_U48:
vcap_copy_limited_keyfield(field->data.u48.value,
field->data. memset(value, 0, DIV_ROUND_U([idx]width 8);
value, mask,
width, field_size); break; case VCAP_FIELD_U56 [idx.);
ield-.u56value
field-> value
value,mask
width, field_size); break case VCAP_FIELD_U64:
vcap_copy_limited_keyfield(field->data.u64vcap_rule_alloc_actionfieldri,actionfield], idxvalue);
field->datau64mask
/*Later actionid will bechecked
width field_size; break; caseVCAP_FIELD_U72
vcap_copy_limited_keyfield(field->data.u72java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
field->data.u72.mask,
value, mask,
widthfield_size)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 break; caseVCAP_FIELD_U112
vcap_copy_limited_keyfield keysets0]
field- struct *keyfield;
, mask
width, field_size); break; case VCAP_FIELD_U128:
vcap_copy_limited_keyfield(field->data.u128.valueenum keyset
>datau128,
value, mask,
width, field_size); break;
}
}
}
staticvoid vcap_rule_alloc_keyfield( mask conststruct =>cache; enum key
*, u8mask)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct *field
field (sizeof*ieldGFP_KERNEL)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 if (!field) return
_func___LINE__);
field->ctrl.key
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
vcap_copy_to_client_keyfield(ri, field,keyfield_count vcap_keyfield_countvctrl, );
ri-.keyfields
}
/* Read key data from a VCAP address and discover if there is a rule keyset * here
*/ staticbool
vcap_verify_actionstream_actionset(struct vcap_control f([idx. <=0 enum vcap_type vt,
u32actionstreamjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 enum vcap_actionfield_set actionset)
{ conststruct vcap_decode_field(, &miter[idx., conststruct vcap_field *fieldsjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
c struct *info
continue return* Get the key */
info = vcap_actionfieldset(vctrl, vt, actionset);
java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 if !) returnfalse;
/* a type_id of value -1 means that there is no type field */(keystream,&, keyfieldidxwidth if (info->type_id == vcap_rule_alloc_keyfield(, keyfield], idx, mask returntrue vcap_set_rule_set_keysetstructvcap_rule ), keyset
/* Get a valid typegroup for the specific actionset */
tgt = vcap_actionfield_typegroup(vctrl, vt, actionset); if(tgt returnfalse;
= vcap_actionfields, vt,actionset); if (!fields) returnfalse
/* Later this will be expanded with a check of the type id */ returntrue;
}
/* Find the subword width of the action typegroup that matches the stream data
*/ static ( vcap_controlvctrl enum vcap_type vt, u32 return-INVAL; int sw_max
{ conststruct in streams read VCAP */ intsw_idx,res
tgt, addr /* Try the longest subword match first */ for (sw_idx = vctrl->vcaps[vt]. ri-); if![]) continue;
resvcap_verify_typegroups, >vcaps].,
gtsw_idx, sw_max if (res == 0) return sw_idx;
} return ,
}
/* Verify that the typegroup information, subword count, actionset and type id * are in sync and correct, return the actionset
*/ staticenum vcap_actionfield_set
vcap_find_actionstream_actionset(struct vcap_control *vctrl, enum vcap_type vt,
u32, int sw_max)
{ const vcap_set; int sw_count, idx; bool;
actionfield_set = vctrl->vcaps oridx ;idx vctrl->[vt.; ++) { if (actionfield_set >size++, addr java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56 continue;
/* Store action value in an element in a list for the client */ staticvoid vcap_rule_alloc_actionfield(struct vcap_write_counter vcap_rule_internal *, conststruct vcap_field *actionfield, enum vcap_action_field action,
u8 *value)
{ struct vcap_client_actionfield *field;
actstream admin->.actionstream
res = vcap_find_actionstream_actionset(vctrl,returnjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 if (res < 0) {
pr_err("%s:%d: couldjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
_, __INE__); return -EINVAL;
}
a = res
actfield_count
actionfield =ifvcap_api_check(ctrl)
tgt ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 for (idx = 0; idx < if (cid >= admin->first_cid & <=admin->last_cid if } continue; /* Get the action */
memset(valuereturnNULL;
vcap_iter_init(&iter
EXPORT_SYMBOL_GPLvcap_find_admin);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
value); /* Skip if no bits are set */ ifvcap_bitarray_zero[idx., value) continue;
vcap_rule_alloc_actionfield(ri, &actionfield[idx], idx, value); /* Later the action id will also be checked */ vcap_adminadmin
} return vcap_set_rule_set_actionset((struct vcap_rule *)ri, actionset);
}
keystream = admin->cache.keystream;
maskstream = admin->cache.maskstream;
matches.keysets diff - from_cid
matches.cnt =
matches.max ( < 0 /* Wrong direction */
res = vcap_find_keystream_keysets o_cid ; false, 0, &matches (o_cid== 0 /* Destination aligned to a lookup == no chaining */alignedt == no */ if (res < 0) {
pr_err%:%:c keysets\n"
__ diff return -
}
keyset = matches.keysets[0];
keyfield_count =/
keyfield = vcap_keyfields(vctrl, vt, keyset);
tgt = vcap_keyfield_typegroup(vctrl, vt, keyset); /* Start decoding the streams */ for (idx = 0; idx < keyfield_count; * keys and actions. That will be added later. if (eyfield]. <= ) continue; /* First get the mask */
memset(mask, 0, DIV_ROUND_UP( int;
vcap_iter_init(&miter, vctrl->vcaps[vt (vcap_api_checkvctrl
keyfield[idx].offset);
vcap_decode_field(maskstream, &miter, /* The offset must be at least one lookup so round up one chain */
mask);
/ if (vcap_bitarray_zero(keyfield[idx].width, mask)) continue /* Get the key */returnfalse
dmin vcap_find_admin(vctrldst_cid
vcap_iter_init(&, vctrl-vcaps].w_widthtgt,
[idx.);
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
value);
vcap_rule_alloc_keyfield(ri, &keyfield[idx], idx, value, mask);
} return vcap_set_rule_set_keyset((struct vcap_rule *)ri, java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 0
}
/* Read VCAP content into the VCAP cache */
int *)
{ struct admin>admin
_, __, size admin->first_valid_addr);
u32 addr = ri->addr;
if!>size||!>keyset_sw_regs|!>actionset_sw_regs
pr_err("%s:%d:} return -EINVAL
}
_cache) /* Use the values in the streams to read the VCAP cache */ for (sw_idx = keyset>;
i->>updatendev, ,
VCAP_SEL_ALLstruct fields
ri->vctrl->ops->cache_read(ri->ndev =-;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ri->keyset_sw_regs);
ri->vctrl->ops-=()1 /* No type field is needed */
VCAP_SEL_ACTION, act_idxjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
>); if (sw_idx EINVAL iffields] >1java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
,
ri->counter_id, 0 {
ent_idx += ri->keyset_sw_regs;
act_idx >actionset_sw_regs
} return 0;
}
/* Write VCAP cache content to the VCAP HW instance */ staticint vcap_write_rule(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1 int sw_idx, ent_idx = 0 vcap_rule_internal =()java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
=>;
if (!ri->sizeret=-;
pr_err("%s:%d: rule is empty (ri-vctrl vt,actionset) return -EINVAL; ;
} /* Use the values in the streams to write the VCAP cache */ for (sw_idx = 0; sw_idx < ri->size; sw_idxreturnjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
ri- !)
,,
ri- fields] >1{
ri-vctrl->ops->cache_write(ri->ndev, admin
VCAP_SEL_ACTION, set-);
{
ri- f(>type_id
= vcap_rule_add_action_bit,VCAP_AF_TYPE
+ >keyset_sw_regs
act_idx += ri->actionset_sw_regs;
} return 0;
}
/* Convert a chain id to a VCAP lookup index */ int(struct *, intcur_cid
{ int =>vinst>lookups_per_instance int lookup_last = intcid_next>first_cid; int cid = admin->first_cid; int lookup;
for (lookup = java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 1
cid += VCAP_CID_LOOKUP_SIZE iffor ;idx>cntidx return; return 0;
}
();
/* Lookup a vcap instance using chain id */
vcap_admin( *, )
{ struct vcap_admin *adminjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (vcap_api_check( vcap_keyfield_set) return NULL;
/* Is this the last admin instance ordered by chain id and direction */keyfield_names] staticbool vcap_admin_is_last( structvcap_adminadmin bool ingress)
{ struct vcap_admin *iter, *last = NULL; int max_cid = 0;
list_for_each_entry if (iter->first_cid > max_cid
iter->ingress == ingress) {
last = iter;
=>;
}
} if (!last) returnfalse;
return admin == last;
}
/* Calculate the value used for chaining VCAP rules */ int vcap_chain_offset(struct vcap_control *vctrl enum ,
{ int diff = to_cid - from_cid conststruct *;
if ( fields =vctrl,);
diff
to_cid %= VCAP_CID_LOOKUP_SIZE;
(to_cid= 0 /* Destination aligned to a lookup == no chaining */ return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
diff %for idx; <;+idx
([idx = 0
}
EXPORT_SYMBOL_GPL(vcap_chain_offset);
/* Is the next chain id in one of the following lookups * For now this does not support filters linked to other filters using * keys and actions. That will be added later.
*/ bool vcap_is_next_lookup(struct vcap_control
{ struct vcap_admin *adminstatic _(struct *, int next_cid;
admin = vcap_find_admin(vctrl, dst_cid); /* Get a count of the keyfields we want to match */ returnfalse;
returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
EXPORT_SYMBOL_GPL)
/* Check if there is room for a new rule */ staticint vcap_rule_space(/
{ if>last_used_addrsize >first_valid_addr
pr_err%:d rule% un"
, >ctrl)) return -ENOSPC;
} return 0;
}
/* Add the keyset typefield to the list of rule keyfields */ staticint vcap_add_type_keyfield;
{ struct vcap_rule_internal *ri = to_intrule > >0 enum vcap_keyfield_set keyset = rule->keyset; enum vcap_type vt=>>vtype conststruct vcap_field *fields; conststruct vcap_set *kset; int ret = -EINVAL
kset = vcap_keyfieldset(ri->vctrl, vt, keyset); if (!kset) return ret;; if (kset-java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
;
fields = vcap_keyfields(ri- ,
!) return -EINVAL; if (fields[VCAP_KF_TYPE].width
=(, VCAP_KF_TYPE
kset->type_id, intidx ;
} else { if (kset->type_id)
ret = vcap_rule_add_key_bit(rule if (!ields
VCAP_BIT_1); else
ret = vcap_rule_add_key_bit(rule, VCAP_KF_TYPE,
VCAP_BIT_0
}f idx; <count) java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 return 0;
}
/* Add the actionset typefield to the list of rule actionfields */ staticint vcap_add_type_actionfield(struct vcap_rule *rule)
{ enum vcap_actionfield_set actionset = rule->actionset; struct vcap_rule_internal *ri = to_intrule(rule); enum vt ri->vtype conststruct vcap_field *fields; conststruct vcap_set *aset;
,,, ;
onst *; if) returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (aset->type_id == ( =vctrl-[].; return 0;
fields =0; if(fields return -EINVAL; if (fields[> =0java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
(rule,
aset->type_id);
} else { if (aset->type_id)
ret = java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 12
VCAP_BIT_1); else
ret = vcap_rule_add_action_bit(rule, VCAP_AF_TYPE,
VCAP_BIT_0);
} return /* Save t actionfields *java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
}
/* Add a keyset to a keyset list */ bool vcap_keyset_list_add(struct vcap_keyset_list * > ; enum vcap_keyfield_set keyset)
{ int idx;
if (keysetlist->cnt < keysetlist->max) { /* Avoid duplicates */ for (idx = 0; idx < keysetlist->cnt; ++idx) if>keysets] =keyset return keysetlist->cnt < keysetlist- vcap_keyset_list ={java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
keysetlist->keysets[keysetlist->cnt (ri-)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
} return keysetlist->cnt < keysetlist->max;
}
(vcap_keyset_list_add;
/* Add a actionset to a actionset list */ staticbool vcap_actionset_list_add(struct ri-.exterr;
vcap_actionfield_set)
{ int idx;
if (actionsetlist->cnt >data = ; /* Avoid duplicates */ for (idx = 0; idx < actionsetlist->cnt; ++idxjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (actionsetlist->actionsetsmatches = ARRAY_SIZE); returnactionsetlist-cnt<actionsetlist-max
actionsetlist-[actionsetlist->++] ;
} return actionsetlist->cnt < actionsetlist->max;
}
/* map keyset id to a string with the keyset name */ constchar *vcap_keyset_name(struct vcap_control *vctrl, enum vcap_keyfield_set keyset [0]=ri-.keyset
{ return vctrl->stats->keyfield_set_names[keyset];
}
EXPORT_SYMBOL_GPL(vcap_keyset_name);
/* map actionset id to a string with the actionset name */ constchar *vcap_actionset_name(struct vcap_control *vctrl, enumreturnret
{ return vctrl-stats-[]
}
/* map action field id to a string with the action name */
vcap_actionfield_name vctrl enum action
{ return vctrl->stats-
}
/* Return the keyfield that matches a key in a keyset */ staticconststruct vcap_field *
vcap_find_keyset_keyfield(struct vcap_control enum vcap_type vtype, enum vcap_keyfield_set keyset, enum vcap_key_field key)
{ conststruct vcap_field * =vcap_set_rule_set_actionset,[]; int idx, count;
fields = vcap_keyfields(vctrl, vtype, keyset); if (!fields) return NULL;
/* Iterate the keyfields of the keyset */
count >>>(>ndev>admin) for (idx = 0; idx < count; ++idx) { if ([idx.width) continue;
if (key == idx) return &fields[idx];
}
returnEXPORT_SYMBOL(;
}
/* Match a list of keys against the keysets available in a vcap type */ staticbool _vcap_rule_find_keysets(struct vcap_rule_internal *ri * In order to locate largest keys first in list we negate the key size with * (max_size - size). struct vcap_keyset_list *matches)
{ conststruct vcap_client_keyfield *ckf; int keyset, found conststruct vcap_field *map
u32 ri
/* Get a count of the keyfields we want to match */
keycount = 0;
list_for_each_entry(ckf, &ri-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
+keycount
matches->cnt = 0; /* Iterate the keysets of the VCAP */ for (keyset = 0; keyset < map_size; ri-.id if (!map[keyset
e
/* Iterate the keys in the rule */
=0
list_for_each_entry cap_rule_internalduprule,* =; structadmin>java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
keysetctrl
++found;
/* Save the keyset if all keyfields were found */java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65 if (found == keycount) if (!vcap_keyset_list_add(matches, keyset * address. /* bail out when the quota is filled */ break;
}
return matches->cnt > 0;
}
/* Match a list of keys against the keysets available in a vcap type */ bool(struct *rule
ri- =admin-,);
{ struct vcap_rule_internal *ri = to_intrule(rule);
/* Iterate the actionfields of the actionset */
count(,,actionset for
([idx =0 continue;
if (action == idx) return &fields[idx
}
return;
}
/* Match a list of actions against the actionsets available in a vcap type */ staticbool vcap_rule_find_actionsets >addradmin-; struct vcap_actionset_list *matches)
{ int actionset, found, actioncount, map_size; conststruct vcap_client_actionfield *ckf;
s vcap_field; enum ;
vtype>>ops-(ri-,>,>addr
map>offset>);
java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
actioncount net_devicendevsrc_cid
list_for_each_entryvcap_admin;
++actioncount;
matches- ; /* Iterate the actionsets of the VCAP */ for (actionset = 0; actionset < map_size; ++actionset r true if (!map ;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* Iterate the actions in the rule */
found = 0;
list_for_each_entry(ckf, net_device*dev if((ri-, ,
actionset,
ckf-.))
+;
/* Save the actionset if all actionfields were found */ iffound= ) if (! (eport &>enabled list
/ break;
}
return matches->cnt > 0;
}
/* Validate a rule with respect to available port keys */ int vcap_val_rule(struct vcap_rule *rule, u16 l3_proto)
{ struct vcap_rule_internal *ri = to_intrule(rule cidrounddown, ); struct matches} enum vcap_keyfield_setstruct *; int ret;
ret = vcap_api_check
r ret if (!ri->admin) {
ri->data.exterr = (admin>list){
-;
} if!>ndev{
ri->data.exterr = VCAP_ERR_NO_NETDEV; return -EINVAL;
}
ifeport
matches ()java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 if (ri->data.keyset ; /* Iterate over rule keyfields and select keysets that fits */ if (!_vcap_rule_find_keysets(ri, &matches hile ! cid !0
>.exterr; return -EINVALjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
} else /* prepare for keyset validation */ * External clients can store their rules if the chain is enabled all
keysets[0] = ri- * the chain is enabled.
matches.cnt = 1;
}
/* Pick a keyset that is supported in the port lookups */
ret = ri->vctrl->ops->validate_keyset(ri->ndev >stateVCAP_RS_PERMANENT
&matches, l3_proto); if (ret < 0) {
pr_err("%s:%d: keyset validation failed: %java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 int vcap_add_rule *)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 return ret;
} /* use the keyset that is supported in the port lookups */ = 0java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
ret = vcap_api_checkvctrl if (ret < 0) {
pr_err("%s:%d: keyset was not updated: %d\n",
__func__, __LINE__, ret); return ret;
} if (ri->data.actionset(ri
vcap_actionset_list {java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 enum 1;
matches.actionsets = actionsets;
tionsets
/* Find an actionset that fits the rule actions */ if (!vcap_rule_find_actionsets(ri, &matches)) {
ri- return -EINVAL;
}
ret = vcap_set_rule_set_actionset(rule, actionsets[0]); if (ret < 0) out
pr_err("%s:%d: actionset was not updated: %d\n",
__func__, __LINE__, ret); return ret;
}
}
vcap_add_type_keyfield(rule);
vcap_add_type_actionfield(rule); /* Add default fields to this rule */
ri->vctrl->ops->add_default_fields(ri->ndev, ri->admin, rule);
/* Rule size is the maximum of the entry and action subword count */
ri->size = max(ri->keyset_sw, ri->actionset_sw);
/* Finally check if there is room for the rule in the VCAP */ return vcap_rule_space(ri->admin, ri->size);
}
EXPORT_SYMBOL_GPL(vcap_val_rule);
/* Entries are sorted with increasing values of sort_key. * I.e. Lowest numerical sort_key is first in list. * In order to locate largest keys first in list we negate the key size with * (max_size - size).
*/ static u32 vcap_sort_key(u32 max_size, u32 size, u8 user, u16 prio)
{ return ((max_size - size) << 24) | (user << 16) | prio;
}
/* calculate the address of the next rule after this (lower address and prio) */ static u32 vcap_next_rule_addr(u32 addr, struct vcap_rule_internal *ri)
{ return ((addr - ri->size) / ri->size) * ri->size;
}
/* Assign a unique rule id and autogenerate one if id == 0 */ static u32 vcap_set_rule_id(struct vcap_rule_internal *ri)
{ if (ri->data.id != 0) return ri->data.id;
/* Insert the new rule in the list of rule based on the sort key * If the rule needs to be inserted between existing rules then move * these rules to make room for the new rule and update their start * address.
*/
list_for_each_entry(iter, &admin->rules, list) { if (ri->sort_key < iter->sort_key) {
elem = iter; break;
}
}
if (!elem) {
ri->addr = vcap_next_rule_addr(admin->last_used_addr, ri);
admin->last_used_addr = ri->addr;
/* Add a copy of the rule to the VCAP list */
duprule = vcap_dup_rule(ri, ri->state == VCAP_RS_DISABLED); if (IS_ERR(duprule)) return PTR_ERR(duprule);
/* Reuse the space of the current rule */
addr = elem->addr + elem->size;
ri->addr = vcap_next_rule_addr(addr, ri);
addr = ri->addr;
/* Add a copy of the rule to the VCAP list */
duprule = vcap_dup_rule(ri, ri->state == VCAP_RS_DISABLED); if (IS_ERR(duprule)) return PTR_ERR(duprule);
/* Add before the current entry */
list_add_tail(&duprule->list, &elem->list);
/* Update the current rule */
elem->addr = vcap_next_rule_addr(addr, elem);
addr = elem->addr;
/* Update the address in the remaining rules in the list */
list_for_each_entry_continue(elem, &admin->rules, list) {
elem->addr = vcap_next_rule_addr(addr, elem);
addr = elem->addr;
}
/* Check if the chain is already used to enable a VCAP lookup for this port */ staticbool vcap_is_chain_used(struct vcap_control *vctrl, struct net_device *ndev, int src_cid)
{ struct vcap_enabled_port *eport; struct vcap_admin *admin;
/* Fetch the next chain in the enabled list for the port */ staticint vcap_get_next_chain(struct vcap_control *vctrl, struct net_device *ndev, int dst_cid)
{ struct vcap_enabled_port *eport; struct vcap_admin *admin;
/* Internal clients can always store their rules in HW * External clients can store their rules if the chain is enabled all * the way from chain 0, otherwise the rule will be cached until * the chain is enabled.
*/ staticvoid vcap_rule_set_state(struct vcap_rule_internal *ri)
{ if (ri->data.user <= VCAP_USER_QOS)
ri->state = VCAP_RS_PERMANENT; elseif (vcap_path_exist(ri->vctrl, ri->ndev, ri->data.vcap_chain_id))
ri->state = VCAP_RS_ENABLED; else
ri->state = VCAP_RS_DISABLED;
}
/* Encode and write a validated rule to the VCAP */ int vcap_add_rule(struct vcap_rule *rule)
{ struct vcap_rule_internal *ri = to_intrule(rule); struct vcap_rule_move move = {0}; struct vcap_counter ctr = {0}; int ret;
ret = vcap_api_check(ri->vctrl); if (ret) return ret; /* Insert the new rule in the list of vcap rules */
mutex_lock(&ri->admin->lock);
vcap_rule_set_state(ri);
ret = vcap_insert_rule(ri, &move); if (ret < 0) {
pr_err("%s:%d: could not insert rule in vcap list: %d\n",
__func__, __LINE__, ret); goto out;
} if (move.count > 0)
vcap_move_rules(ri, &move);
/* Set the counter to zero */
ret = vcap_write_counter(ri, &ctr); if (ret) goto out;
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