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Commits
f5ddce71
Commit
f5ddce71
authored
Aug 28, 2017
by
hongming
Browse files
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Plain Diff
Modify the ext config.
parent
eb065b94
Hide whitespace changes
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Showing
2 changed files
with
234 additions
and
262 deletions
+234
-262
ext_config.c
dev/ext_config.c
+0
-26
pfilter-builder.c
tools/pfilter-builder.c
+234
-236
No files found.
dev/ext_config.c
View file @
f5ddce71
...
...
@@ -39,32 +39,6 @@ void ext_config(unsigned char *IP)
tmp
=
0xFFFFFF00
;
*
ext_tmp
=
tmp
;
ext_tmp
=
(
unsigned
int
*
)(
BASE_EXT_CFG
+
EXT_UDP_RX_PORT
);
tmp
=
60000
;
*
ext_tmp
=
tmp
;
ext_tmp
=
(
unsigned
int
*
)(
BASE_EXT_CFG
+
EXT_UDP_TX_SRC_PORT
);
tmp
=
60001
;
*
ext_tmp
=
tmp
;
ext_tmp
=
(
unsigned
int
*
)(
BASE_EXT_CFG
+
EXT_UDP_TX_DST_PORT
);
tmp
=
60002
;
*
ext_tmp
=
tmp
;
ext_tmp
=
(
unsigned
int
*
)(
BASE_EXT_CFG
+
EXT_UDP_TX_DST_IP
);
tmp
=
0xC0A80001
;
*
ext_tmp
=
tmp
;
ext_tmp
=
(
unsigned
int
*
)(
BASE_EXT_CFG
+
EXT_UDP_TX_DST_MAC_HIGH16
);
//tmp = 0x9890;
tmp
=
0x8cae
;
*
ext_tmp
=
tmp
;
ext_tmp
=
(
unsigned
int
*
)(
BASE_EXT_CFG
+
EXT_UDP_TX_DST_MAC_LOW32
);
//tmp = 0x96aa9e04;
tmp
=
0x4b002f40
;
*
ext_tmp
=
tmp
;
ext_tmp
=
(
unsigned
int
*
)(
BASE_EXT_CFG
+
EXT_TCP_LOCAL_PORT
);
tmp
=
8000
;
*
ext_tmp
=
tmp
;
...
...
tools/pfilter-builder.c
View file @
f5ddce71
...
...
@@ -199,39 +199,39 @@ static int code_pos;
static
uint64_t
code_buf
[
PFILTER_MAX_CODE_SIZE
];
enum
pf_regs
{
R_ZERO
=
1024
,
R_1
,
R_2
,
R_3
,
R_4
,
R_5
,
R_6
,
R_7
,
R_8
,
R_9
,
R_10
,
R_11
,
R_12
,
R_13
,
R_14
,
R_15
,
R_16
,
R_17
,
R_18
,
R_19
,
R_20
,
R_21
,
R_22
,
R_DROP
,
R_C0
,
R_C1
,
R_C2
,
R_C3
,
R_C4
,
R_C5
,
R_C6
,
R_C7
R_ZERO
=
1024
,
R_1
,
R_2
,
R_3
,
R_4
,
R_5
,
R_6
,
R_7
,
R_8
,
R_9
,
R_10
,
R_11
,
R_12
,
R_13
,
R_14
,
R_15
,
R_16
,
R_17
,
R_18
,
R_19
,
R_20
,
R_21
,
R_22
,
R_DROP
,
R_C0
,
R_C1
,
R_C2
,
R_C3
,
R_C4
,
R_C5
,
R_C6
,
R_C7
};
#define R_CLASS(x) (R_C0 + x)
/* Give also "symbolic" names, to the roles of each register. */
enum
pf_symbolic_regs
{
/* The first set is used for straight comparisons */
FRAME_BROADCAST
=
R_1
,
FRAME_MAC_OK
,
FRAME_MAC_PTP
,
FRAME_OUR_VLAN
,
FRAME_TYPE_IPV4
,
FRAME_TYPE_PTP2
,
FRAME_TYPE_LATENCY
,
FRAME_TYPE_ARP
,
FRAME_ICMP
,
FRAME_UDP
,
PORT_UDP_HOST
,
PORT_UDP_ETHERBONE
,
R_TMP
,
/* These are results of logic over the previous bits */
FRAME_IP_UNI
,
FRAME_IP_OK
,
/* unicast or broadcast */
/* A temporary register, and the CPU target */
FRAME_FOR_CPU
,
/* must be last */
/* The first set is used for straight comparisons */
FRAME_BROADCAST
=
R_1
,
FRAME_MAC_OK
,
FRAME_MAC_PTP
,
FRAME_OUR_VLAN
,
FRAME_TYPE_IPV4
,
FRAME_TYPE_PTP2
,
FRAME_TYPE_LATENCY
,
FRAME_TYPE_ARP
,
FRAME_ICMP
,
FRAME_UDP
,
PORT_UDP_HOST
,
PORT_UDP_ETHERBONE
,
R_TMP
,
/* These are results of logic over the previous bits */
FRAME_IP_UNI
,
FRAME_IP_OK
,
/* unicast or broadcast */
/* A temporary register, and the CPU target */
FRAME_FOR_CPU
,
/* must be last */
};
int
v1
[
R_C7
-
(
R_ZERO
+
31
)];
/* fails if we lost a register */
...
...
@@ -244,280 +244,278 @@ int v3[0 - ((int)FRAME_FOR_CPU > R_22)];
/* begins assembling a new packet filter program */
static
void
pfilter_new
(
void
)
{
code_pos
=
0
;
code_pos
=
0
;
}
static
void
check_size
(
void
)
{
if
(
code_pos
==
PFILTER_MAX_CODE_SIZE
-
1
)
{
fprintf
(
stderr
,
"%s: microcode too big (max size: %d)
\n
"
,
prgname
,
PFILTER_MAX_CODE_SIZE
);
exit
(
1
);
}
if
(
code_pos
==
PFILTER_MAX_CODE_SIZE
-
1
)
{
fprintf
(
stderr
,
"%s: microcode too big (max size: %d)
\n
"
,
prgname
,
PFILTER_MAX_CODE_SIZE
);
exit
(
1
);
}
}
static
void
check_reg_range
(
int
val
,
int
minval
,
int
maxval
,
char
*
name
)
{
if
(
val
<
minval
||
val
>
maxval
)
{
fprintf
(
stderr
,
"%s: register
\"
%s
\"
out of range (%d to %d)"
,
prgname
,
name
,
minval
,
maxval
);
exit
(
1
);
}
if
(
val
<
minval
||
val
>
maxval
)
{
fprintf
(
stderr
,
"%s: register
\"
%s
\"
out of range (%d to %d)"
,
prgname
,
name
,
minval
,
maxval
);
exit
(
1
);
}
}
static
void
pfilter_cmp
(
int
offset
,
int
value
,
int
mask
,
pfilter_op_t
op
,
int
rd
)
int
rd
)
{
uint64_t
ir
;
uint64_t
ir
;
check_size
();
check_size
();
if
(
offset
>
code_pos
)
{
fprintf
(
stderr
,
"%s: comparison offset is bigger than current PC. Insert some nops before comparing"
,
prgname
);
exit
(
1
);
}
if
(
offset
>
code_pos
)
{
fprintf
(
stderr
,
"%s: comparison offset is bigger than current PC. Insert some nops before comparing"
,
prgname
);
exit
(
1
);
}
check_reg_range
(
rd
,
R_1
,
R_15
,
"ra/rd"
);
rd
-=
R_ZERO
;
check_reg_range
(
rd
,
R_1
,
R_15
,
"ra/rd"
);
rd
-=
R_ZERO
;
ir
=
(
PF_MODE_CMP
|
((
uint64_t
)
offset
<<
7
)
|
((
mask
&
0x1
)
?
(
1ULL
<<
29
)
:
0
)
|
((
mask
&
0x10
)
?
(
1ULL
<<
30
)
:
0
)
|
((
mask
&
0x100
)
?
(
1ULL
<<
31
)
:
0
)
|
((
mask
&
0x1000
)
?
(
1ULL
<<
32
)
:
0
))
|
op
|
(
rd
<<
3
);
ir
=
(
PF_MODE_CMP
|
((
uint64_t
)
offset
<<
7
)
|
((
mask
&
0x1
)
?
(
1ULL
<<
29
)
:
0
)
|
((
mask
&
0x10
)
?
(
1ULL
<<
30
)
:
0
)
|
((
mask
&
0x100
)
?
(
1ULL
<<
31
)
:
0
)
|
((
mask
&
0x1000
)
?
(
1ULL
<<
32
)
:
0
))
|
op
|
(
rd
<<
3
);
ir
=
ir
|
((
uint64_t
)
value
&
0xffffULL
)
<<
13
;
ir
=
ir
|
((
uint64_t
)
value
&
0xffffULL
)
<<
13
;
code_buf
[
code_pos
++
]
=
ir
;
code_buf
[
code_pos
++
]
=
ir
;
}
static
void
pfilter_nop
(
void
)
{
uint64_t
ir
;
check_size
();
ir
=
PF_MODE_LOGIC
;
code_buf
[
code_pos
++
]
=
ir
;
uint64_t
ir
;
check_size
();
ir
=
PF_MODE_LOGIC
;
code_buf
[
code_pos
++
]
=
ir
;
}
// rd = ra op rb
static
void
pfilter_logic2
(
int
rd
,
int
ra
,
pfilter_op_t
op
,
int
rb
)
{
uint64_t
ir
;
check_size
();
check_reg_range
(
ra
,
R_ZERO
,
R_C7
,
"ra"
);
ra
-=
R_ZERO
;
check_reg_range
(
rb
,
R_ZERO
,
R_C7
,
"rb"
);
rb
-=
R_ZERO
;
check_reg_range
(
rd
,
R_1
,
R_C7
,
"rd"
);
rd
-=
R_ZERO
;
ir
=
((
uint64_t
)
ra
<<
8
)
|
((
uint64_t
)
rb
<<
13
)
|
(((
uint64_t
)
rd
&
0xf
)
<<
3
)
|
(((
uint64_t
)
rd
&
0x10
)
?
(
1ULL
<<
7
)
:
0
)
|
(
uint64_t
)
op
;
ir
=
ir
|
PF_MODE_LOGIC
|
(
3ULL
<<
23
);
code_buf
[
code_pos
++
]
=
ir
;
uint64_t
ir
;
check_size
();
check_reg_range
(
ra
,
R_ZERO
,
R_C7
,
"ra"
);
ra
-=
R_ZERO
;
check_reg_range
(
rb
,
R_ZERO
,
R_C7
,
"rb"
);
rb
-=
R_ZERO
;
check_reg_range
(
rd
,
R_1
,
R_C7
,
"rd"
);
rd
-=
R_ZERO
;
ir
=
((
uint64_t
)
ra
<<
8
)
|
((
uint64_t
)
rb
<<
13
)
|
(((
uint64_t
)
rd
&
0xf
)
<<
3
)
|
(((
uint64_t
)
rd
&
0x10
)
?
(
1ULL
<<
7
)
:
0
)
|
(
uint64_t
)
op
;
ir
=
ir
|
PF_MODE_LOGIC
|
(
3ULL
<<
23
);
code_buf
[
code_pos
++
]
=
ir
;
}
static
void
pfilter_logic3
(
int
rd
,
int
ra
,
pfilter_op_t
op
,
int
rb
,
pfilter_op_t
op2
,
int
rc
)
pfilter_op_t
op2
,
int
rc
)
{
uint64_t
ir
;
check_size
();
check_reg_range
(
ra
,
R_ZERO
,
R_C7
,
"ra"
);
ra
-=
R_ZERO
;
check_reg_range
(
rb
,
R_ZERO
,
R_C7
,
"rb"
);
rb
-=
R_ZERO
;
check_reg_range
(
rc
,
R_ZERO
,
R_C7
,
"rc"
);
rc
-=
R_ZERO
;
check_reg_range
(
rd
,
R_1
,
R_C7
,
"rd"
);
rd
-=
R_ZERO
;
ir
=
(
ra
<<
8
)
|
(
rb
<<
13
)
|
(
rc
<<
18
)
|
((
rd
&
0xf
)
<<
3
)
|
((
rd
&
0x10
)
?
(
1
<<
7
)
:
0
)
|
op
;
ir
=
ir
|
PF_MODE_LOGIC
|
(
op2
<<
23
);
code_buf
[
code_pos
++
]
=
ir
;
uint64_t
ir
;
check_size
();
check_reg_range
(
ra
,
R_ZERO
,
R_C7
,
"ra"
);
ra
-=
R_ZERO
;
check_reg_range
(
rb
,
R_ZERO
,
R_C7
,
"rb"
);
rb
-=
R_ZERO
;
check_reg_range
(
rc
,
R_ZERO
,
R_C7
,
"rc"
);
rc
-=
R_ZERO
;
check_reg_range
(
rd
,
R_1
,
R_C7
,
"rd"
);
rd
-=
R_ZERO
;
ir
=
(
ra
<<
8
)
|
(
rb
<<
13
)
|
(
rc
<<
18
)
|
((
rd
&
0xf
)
<<
3
)
|
((
rd
&
0x10
)
?
(
1
<<
7
)
:
0
)
|
op
;
ir
=
ir
|
PF_MODE_LOGIC
|
(
op2
<<
23
);
code_buf
[
code_pos
++
]
=
ir
;
}
/* Terminates the microcode, creating the output file */
static
void
pfilter_output
(
char
*
fname
)
{
uint32_t
v1
,
v2
;
int
i
;
FILE
*
f
;
code_buf
[
code_pos
++
]
=
(
1ULL
<<
35
);
// insert FIN instruction
f
=
fopen
(
fname
,
"w"
);
if
(
!
f
)
{
fprintf
(
stderr
,
"%s: %s: %s
\n
"
,
prgname
,
fname
,
strerror
(
errno
));
exit
(
1
);
}
/* First write a magic word, so the target can check endianness */
v1
=
0x11223344
;
fwrite
(
&
v1
,
sizeof
(
v1
),
1
,
f
);
pfilter_dbg
(
"Writing
\"
%s
\"\n
"
,
fname
);
for
(
i
=
0
;
i
<
code_pos
;
i
++
)
{
pfilter_dbg
(
" pos %02i: %x.%08x
\n
"
,
i
,
(
uint32_t
)(
code_buf
[
i
]
>>
32
),
(
uint32_t
)(
code_buf
[
i
]));
/* Explicitly write the LSB first */
v1
=
code_buf
[
i
];
v2
=
code_buf
[
i
]
>>
32
;
fwrite
(
&
v1
,
sizeof
(
v1
),
1
,
f
);
fwrite
(
&
v2
,
sizeof
(
v2
),
1
,
f
);
}
fclose
(
f
);
uint32_t
v1
,
v2
;
int
i
;
FILE
*
f
;
code_buf
[
code_pos
++
]
=
(
1ULL
<<
35
);
// insert FIN instruction
f
=
fopen
(
fname
,
"w"
);
if
(
!
f
)
{
fprintf
(
stderr
,
"%s: %s: %s
\n
"
,
prgname
,
fname
,
strerror
(
errno
));
exit
(
1
);
}
/* First write a magic word, so the target can check endianness */
v1
=
0x11223344
;
fwrite
(
&
v1
,
sizeof
(
v1
),
1
,
f
);
pfilter_dbg
(
"Writing
\"
%s
\"\n
"
,
fname
);
for
(
i
=
0
;
i
<
code_pos
;
i
++
)
{
pfilter_dbg
(
" pos %02i: %x.%08x
\n
"
,
i
,
(
uint32_t
)(
code_buf
[
i
]
>>
32
),
(
uint32_t
)(
code_buf
[
i
]));
/* Explicitly write the LSB first */
v1
=
code_buf
[
i
];
v2
=
code_buf
[
i
]
>>
32
;
fwrite
(
&
v1
,
sizeof
(
v1
),
1
,
f
);
fwrite
(
&
v2
,
sizeof
(
v2
),
1
,
f
);
}
fclose
(
f
);
}
void
pfilter_init_novlan
(
char
*
fname
)
{
pfilter_new
();
pfilter_nop
();
/*
* Make three sets of comparisons over the destination address.
* After these instructions, the whole Eth header is there
*/
/* Local frame, using fake MAC: 12:34:56:78:9a:bc */
pfilter_cmp
(
0
,
0x1234
,
0xffff
,
MOV
,
FRAME_MAC_OK
);
pfilter_cmp
(
1
,
0x5678
,
0xffff
,
AND
,
FRAME_MAC_OK
);
pfilter_cmp
(
2
,
0x9abc
,
0xffff
,
AND
,
FRAME_MAC_OK
);
/* Broadcast frame */
pfilter_cmp
(
0
,
0xffff
,
0xffff
,
MOV
,
FRAME_BROADCAST
);
pfilter_cmp
(
1
,
0xffff
,
0xffff
,
AND
,
FRAME_BROADCAST
);
pfilter_cmp
(
2
,
0xffff
,
0xffff
,
AND
,
FRAME_BROADCAST
);
/* PTP UDP (end to end: 01:00:5e:00:01:81 224.0.1.129) */
pfilter_cmp
(
0
,
0x0100
,
0xffff
,
MOV
,
FRAME_MAC_PTP
);
pfilter_cmp
(
1
,
0x5e00
,
0xffff
,
AND
,
FRAME_MAC_PTP
);
pfilter_cmp
(
2
,
0x0181
,
0xffff
,
MOV
,
R_TMP
);
/* PTP UDP (peer-to-p: 01:00:5e:00:00:6b 224.0.0.197) */
pfilter_cmp
(
2
,
0x006b
,
0xffff
,
OR
,
R_TMP
);
pfilter_logic3
(
FRAME_MAC_OK
,
FRAME_MAC_PTP
,
AND
,
R_TMP
,
OR
,
FRAME_MAC_OK
);
/* Identify some Ethertypes used later -- type latency is 0xcafe */
pfilter_cmp
(
6
,
0x88f7
,
0xffff
,
MOV
,
FRAME_TYPE_PTP2
);
pfilter_cmp
(
6
,
0xcafe
,
0xffff
,
OR
,
FRAME_TYPE_PTP2
);
pfilter_cmp
(
6
,
0x0800
,
0xffff
,
MOV
,
FRAME_TYPE_IPV4
);
pfilter_cmp
(
6
,
0x0806
,
0xffff
,
MOV
,
FRAME_TYPE_ARP
);
/* Mark one bits for ip-valid (unicast or broadcast) */
pfilter_logic3
(
FRAME_IP_OK
,
FRAME_BROADCAST
,
OR
,
FRAME_MAC_OK
,
AND
,
FRAME_TYPE_IPV4
);
/* Ethernet = 14 bytes, Offset to type in IP: 8 bytes = 22/2 = 11 */
pfilter_cmp
(
11
,
0x0001
,
0x00ff
,
MOV
,
FRAME_ICMP
);
pfilter_cmp
(
11
,
0x0011
,
0x00ff
,
MOV
,
FRAME_UDP
);
/* For CPU: arp or icmp unicast or ptp (or latency) */
pfilter_logic2
(
FRAME_FOR_CPU
,
FRAME_TYPE_ARP
,
OR
,
FRAME_TYPE_PTP2
);
pfilter_logic3
(
R_CLASS
(
0
),
FRAME_IP_OK
,
AND
,
FRAME_ICMP
,
OR
,
FRAME_FOR_CPU
);
/* Now look in UDP ports: at offset 18 (14 + 20 + 8 = 36) */
pfilter_logic2
(
FRAME_UDP
,
FRAME_UDP
,
AND
,
FRAME_IP_OK
);
pfilter_cmp
(
18
,
0x0000
,
0xff00
,
MOV
,
PORT_UDP_HOST
);
/* ports 0-255 */
pfilter_cmp
(
18
,
0x0100
,
0xff00
,
OR
,
PORT_UDP_HOST
);
/* ports 256-511 */
/* The CPU gets those ports in a proper UDP frame, plus the previous selections */
pfilter_logic2
(
R_CLASS
(
1
),
FRAME_UDP
,
AND
,
PORT_UDP_HOST
);
/* Etherbone is UDP at port 0xebd0, let's "or" in the last move */
pfilter_cmp
(
18
,
0xebd0
,
0xffff
,
MOV
,
PORT_UDP_ETHERBONE
);
/* and now copy out fabric selections: 7 etherbone, 6 for anything else */
pfilter_logic2
(
R_CLASS
(
5
),
FRAME_UDP
,
AND
,
PORT_UDP_ETHERBONE
);
pfilter_logic2
(
R_CLASS
(
7
),
FRAME_UDP
,
NAND
,
PORT_UDP_ETHERBONE
);
/*
* Note that earlier we used to be more strict in ptp ethtype (only proper multicast),
* but since we want to accept peer-delay sooner than later, we'd better avoid the checks
*/
/*
* Also, please note that "streamer" ethtype 0xdbff and "etherbone" udp port
* 0xebd0 go to the fabric by being part of the "anything else" choice".
*/
pfilter_output
(
fname
);
pfilter_new
();
pfilter_nop
();
/*
* Make three sets of comparisons over the destination address.
* After these instructions, the whole Eth header is there
*/
/* Local frame, using fake MAC: 12:34:56:78:9a:bc */
pfilter_cmp
(
0
,
0x1234
,
0xffff
,
MOV
,
FRAME_MAC_OK
);
pfilter_cmp
(
1
,
0x5678
,
0xffff
,
AND
,
FRAME_MAC_OK
);
pfilter_cmp
(
2
,
0x9abc
,
0xffff
,
AND
,
FRAME_MAC_OK
);
/* Broadcast frame */
pfilter_cmp
(
0
,
0xffff
,
0xffff
,
MOV
,
FRAME_BROADCAST
);
pfilter_cmp
(
1
,
0xffff
,
0xffff
,
AND
,
FRAME_BROADCAST
);
pfilter_cmp
(
2
,
0xffff
,
0xffff
,
AND
,
FRAME_BROADCAST
);
/* PTP UDP (end to end: 01:00:5e:00:01:81 224.0.1.129) */
pfilter_cmp
(
0
,
0x0100
,
0xffff
,
MOV
,
FRAME_MAC_PTP
);
pfilter_cmp
(
1
,
0x5e00
,
0xffff
,
AND
,
FRAME_MAC_PTP
);
pfilter_cmp
(
2
,
0x0181
,
0xffff
,
MOV
,
R_TMP
);
/* PTP UDP (peer-to-p: 01:00:5e:00:00:6b 224.0.0.197) */
pfilter_cmp
(
2
,
0x006b
,
0xffff
,
OR
,
R_TMP
);
pfilter_logic3
(
FRAME_MAC_OK
,
FRAME_MAC_PTP
,
AND
,
R_TMP
,
OR
,
FRAME_MAC_OK
);
/* Identify some Ethertypes used later -- type latency is 0xcafe */
pfilter_cmp
(
6
,
0x88f7
,
0xffff
,
MOV
,
FRAME_TYPE_PTP2
);
pfilter_cmp
(
6
,
0xcafe
,
0xffff
,
OR
,
FRAME_TYPE_PTP2
);
pfilter_cmp
(
6
,
0x0800
,
0xffff
,
MOV
,
FRAME_TYPE_IPV4
);
pfilter_cmp
(
6
,
0x0806
,
0xffff
,
MOV
,
FRAME_TYPE_ARP
);
/* Mark one bits for ip-valid (unicast or broadcast) */
pfilter_logic3
(
FRAME_IP_OK
,
FRAME_BROADCAST
,
OR
,
FRAME_MAC_OK
,
AND
,
FRAME_TYPE_IPV4
);
/* Ethernet = 14 bytes, Offset to type in IP: 8 bytes = 22/2 = 11 */
pfilter_cmp
(
11
,
0x0001
,
0x00ff
,
MOV
,
FRAME_ICMP
);
pfilter_cmp
(
11
,
0x0011
,
0x00ff
,
MOV
,
FRAME_UDP
);
pfilter_cmp
(
11
,
0x0006
,
0x00ff
,
MOV
,
FRAME_TCP
);
/* For CPU: arp or icmp unicast or ptp (or latency) */
pfilter_logic2
(
FRAME_FOR_CPU
,
FRAME_TYPE_ARP
,
OR
,
FRAME_TYPE_PTP2
);
pfilter_logic3
(
R_CLASS
(
0
),
FRAME_IP_OK
,
AND
,
FRAME_ICMP
,
OR
,
FRAME_FOR_CPU
);
/* Now look in UDP ports: at offset 18 (14 + 20 + 8 = 36) */
pfilter_logic2
(
FRAME_UDP
,
FRAME_UDP
,
AND
,
FRAME_IP_OK
);
pfilter_cmp
(
18
,
0x0000
,
0xff00
,
MOV
,
PORT_UDP_HOST
);
/* ports 0-255 */
pfilter_cmp
(
18
,
0x0100
,
0xff00
,
OR
,
PORT_UDP_HOST
);
/* ports 256-511 */
/* The CPU gets those ports in a proper UDP frame, plus the previous selections */
pfilter_logic2
(
R_CLASS
(
1
),
FRAME_UDP
,
AND
,
PORT_UDP_HOST
);
/* and now copy out fabric selections: 7 etherbone, 6 for anything else */
pfilter_logic3
(
R_CLASS
(
5
),
PORT_UDP_HOST
,
NOT
,
R_ZERO
,
AND
,
FRAME_UDP
);
pfilter_logic2
(
R_CLASS
(
6
),
FRAME_TCP
,
AND
,
FRAME_IP_OK
);
/*
* Note that earlier we used to be more strict in ptp ethtype (only proper multicast),
* but since we want to accept peer-delay sooner than later, we'd better avoid the checks
*/
/*
* Also, please note that "streamer" ethtype 0xdbff and "etherbone" udp port
* 0xebd0 go to the fabric by being part of the "anything else" choice".
*/
pfilter_output
(
fname
);
}
void
pfilter_init_vlan
(
char
*
fname
)
{
pfilter_new
();
pfilter_nop
();
pfilter_new
();
pfilter_nop
();
/*
* This is a simplified set, for development,
* to allow me write vlan support in software.
* Mostly a subset of above set
*/
/*
* This is a simplified set, for development,
* to allow me write vlan support in software.
* Mostly a subset of above set
*/
/* Local frame, using fake MAC: 12:34:56:78:9a:bc */
pfilter_cmp
(
0
,
0x1234
,
0xffff
,
MOV
,
FRAME_MAC_OK
);
pfilter_cmp
(
1
,
0x5678
,
0xffff
,
AND
,
FRAME_MAC_OK
);
pfilter_cmp
(
2
,
0x9abc
,
0xffff
,
AND
,
FRAME_MAC_OK
);
/* Local frame, using fake MAC: 12:34:56:78:9a:bc */
pfilter_cmp
(
0
,
0x1234
,
0xffff
,
MOV
,
FRAME_MAC_OK
);
pfilter_cmp
(
1
,
0x5678
,
0xffff
,
AND
,
FRAME_MAC_OK
);
pfilter_cmp
(
2
,
0x9abc
,
0xffff
,
AND
,
FRAME_MAC_OK
);
/* Broadcast frame */
pfilter_cmp
(
0
,
0xffff
,
0xffff
,
MOV
,
FRAME_BROADCAST
);
pfilter_cmp
(
1
,
0xffff
,
0xffff
,
AND
,
FRAME_BROADCAST
);
pfilter_cmp
(
2
,
0xffff
,
0xffff
,
AND
,
FRAME_BROADCAST
);
/* Broadcast frame */
pfilter_cmp
(
0
,
0xffff
,
0xffff
,
MOV
,
FRAME_BROADCAST
);
pfilter_cmp
(
1
,
0xffff
,
0xffff
,
AND
,
FRAME_BROADCAST
);
pfilter_cmp
(
2
,
0xffff
,
0xffff
,
AND
,
FRAME_BROADCAST
);
/* PTP UDP (end to end: 01:00:5e:00:01:81 224.0.1.129) */
pfilter_cmp
(
0
,
0x0100
,
0xffff
,
MOV
,
FRAME_MAC_PTP
);
pfilter_cmp
(
1
,
0x5e00
,
0xffff
,
AND
,
FRAME_MAC_PTP
);
pfilter_cmp
(
2
,
0x0181
,
0xffff
,
MOV
,
R_TMP
);
/* PTP UDP (end to end: 01:00:5e:00:01:81 224.0.1.129) */
pfilter_cmp
(
0
,
0x0100
,
0xffff
,
MOV
,
FRAME_MAC_PTP
);
pfilter_cmp
(
1
,
0x5e00
,
0xffff
,
AND
,
FRAME_MAC_PTP
);
pfilter_cmp
(
2
,
0x0181
,
0xffff
,
MOV
,
R_TMP
);
/* PTP UDP (peer-to-p: 01:00:5e:00:00:6b 224.0.0.197) */
pfilter_cmp
(
2
,
0x006b
,
0xffff
,
OR
,
R_TMP
);
/* PTP UDP (peer-to-p: 01:00:5e:00:00:6b 224.0.0.197) */
pfilter_cmp
(
2
,
0x006b
,
0xffff
,
OR
,
R_TMP
);
pfilter_logic3
(
FRAME_MAC_OK
,
FRAME_MAC_PTP
,
AND
,
R_TMP
,
OR
,
FRAME_MAC_OK
);
pfilter_logic3
(
FRAME_MAC_OK
,
FRAME_MAC_PTP
,
AND
,
R_TMP
,
OR
,
FRAME_MAC_OK
);
/* Untagged is dropped. */
pfilter_cmp
(
6
,
0x8100
,
0xffff
,
MOV
,
R_TMP
);
pfilter_logic2
(
R_DROP
,
R_TMP
,
NOT
,
R_ZERO
);
/* Untagged is dropped. */
pfilter_cmp
(
6
,
0x8100
,
0xffff
,
MOV
,
R_TMP
);
pfilter_logic2
(
R_DROP
,
R_TMP
,
NOT
,
R_ZERO
);
/* Compare with our vlan (fake number 0xaaa) */
pfilter_cmp
(
7
,
0x0aaa
,
0x0fff
,
MOV
,
FRAME_OUR_VLAN
);
/* Compare with our vlan (fake number 0xaaa) */
pfilter_cmp
(
7
,
0x0aaa
,
0x0fff
,
MOV
,
FRAME_OUR_VLAN
);
/* Identify some Ethertypes used later -- type latency is 0xcafe */
pfilter_cmp
(
8
,
0x88f7
,
0xffff
,
MOV
,
FRAME_TYPE_PTP2
);
pfilter_cmp
(
8
,
0xcafe
,
0xffff
,
OR
,
FRAME_TYPE_PTP2
);
pfilter_cmp
(
8
,
0x0800
,
0xffff
,
MOV
,
FRAME_TYPE_IPV4
);
pfilter_cmp
(
8
,
0x0806
,
0xffff
,
MOV
,
FRAME_TYPE_ARP
);
/* Identify some Ethertypes used later -- type latency is 0xcafe */
pfilter_cmp
(
8
,
0x88f7
,
0xffff
,
MOV
,
FRAME_TYPE_PTP2
);
pfilter_cmp
(
8
,
0xcafe
,
0xffff
,
OR
,
FRAME_TYPE_PTP2
);
pfilter_cmp
(
8
,
0x0800
,
0xffff
,
MOV
,
FRAME_TYPE_IPV4
);
pfilter_cmp
(
8
,
0x0806
,
0xffff
,
MOV
,
FRAME_TYPE_ARP
);
/* Loose match: keep all bcast, all our mac and all ptp ... */
pfilter_logic3
(
FRAME_FOR_CPU
,
FRAME_MAC_OK
,
OR
,
FRAME_BROADCAST
,
OR
,
FRAME_TYPE_PTP2
);
/* Loose match: keep all bcast, all our mac and all ptp ... */
pfilter_logic3
(
FRAME_FOR_CPU
,
FRAME_MAC_OK
,
OR
,
FRAME_BROADCAST
,
OR
,
FRAME_TYPE_PTP2
);
/* .... but only for our current VLAN */
pfilter_logic2
(
R_CLASS
(
0
),
FRAME_FOR_CPU
,
AND
,
FRAME_OUR_VLAN
);
/* .... but only for our current VLAN */
pfilter_logic2
(
R_CLASS
(
0
),
FRAME_FOR_CPU
,
AND
,
FRAME_OUR_VLAN
);
/*
* And route these build-time selected vlans to fabric 7 and 6.
* Class 7 is etherbone and class 6 is streamer or nic (or whatever).
* We get all broadcast and all frames for our mac.
*
* We reuse FRAME_OUR_VLAN, even if it's not OUR as in "this CPU"
*/
pfilter_logic2
(
R_TMP
,
FRAME_MAC_OK
,
OR
,
FRAME_BROADCAST
);
/*
* And route these build-time selected vlans to fabric 7 and 6.
* Class 7 is etherbone and class 6 is streamer or nic (or whatever).
* We get all broadcast and all frames for our mac.
*
* We reuse FRAME_OUR_VLAN, even if it's not OUR as in "this CPU"
*/
pfilter_logic2
(
R_TMP
,
FRAME_MAC_OK
,
OR
,
FRAME_BROADCAST
);
pfilter_cmp
(
7
,
CONFIG_VLAN_1_FOR_CLASS7
,
0x0fff
,
MOV
,
FRAME_OUR_VLAN
);
pfilter_cmp
(
7
,
CONFIG_VLAN_2_FOR_CLASS7
,
0x0fff
,
OR
,
FRAME_OUR_VLAN
);
pfilter_logic2
(
R_CLASS
(
7
),
R_TMP
,
AND
,
FRAME_OUR_VLAN
);
pfilter_cmp
(
7
,
CONFIG_VLAN_1_FOR_CLASS7
,
0x0fff
,
MOV
,
FRAME_OUR_VLAN
);
pfilter_cmp
(
7
,
CONFIG_VLAN_2_FOR_CLASS7
,
0x0fff
,
OR
,
FRAME_OUR_VLAN
);
pfilter_logic2
(
R_CLASS
(
7
),
R_TMP
,
AND
,
FRAME_OUR_VLAN
);
pfilter_cmp
(
7
,
CONFIG_VLAN_FOR_CLASS6
,
0x0fff
,
MOV
,
FRAME_OUR_VLAN
);
pfilter_logic2
(
R_CLASS
(
6
),
R_TMP
,
AND
,
FRAME_OUR_VLAN
);
pfilter_cmp
(
7
,
CONFIG_VLAN_FOR_CLASS6
,
0x0fff
,
MOV
,
FRAME_OUR_VLAN
);
pfilter_logic2
(
R_CLASS
(
6
),
R_TMP
,
AND
,
FRAME_OUR_VLAN
);
pfilter_output
(
fname
);
pfilter_output
(
fname
);
}
int
main
(
int
argc
,
char
**
argv
)
/* no arguments used currently */
{
prgname
=
argv
[
0
];
prgname
=
argv
[
0
];
pfilter_init_novlan
(
"rules-novlan.bin"
);
pfilter_init_vlan
(
"rules-vlan.bin"
);
exit
(
0
);
pfilter_init_novlan
(
"rules-novlan.bin"
);
pfilter_init_vlan
(
"rules-vlan.bin"
);
exit
(
0
);
}
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