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Software for White Rabbit PTP Core
Commits
f7bd54f8
Commit
f7bd54f8
authored
Sep 13, 2012
by
Tomasz Wlostowski
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dev/ep_pfilter.c: don't snoop UDP/BOOTP/ARP when Etherbone support is disabled
parent
af10e6ff
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ep_pfilter.c
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dev/ep_pfilter.c
View file @
f7bd54f8
...
...
@@ -223,6 +223,8 @@ void pfilter_init_default()
{
pfilter_new
();
pfilter_nop
();
#if WITH_ETHERBONE != 0
pfilter_cmp
(
0
,
0xffff
,
0xffff
,
MOV
,
1
);
pfilter_cmp
(
1
,
0xffff
,
0xffff
,
AND
,
1
);
pfilter_cmp
(
2
,
0xffff
,
0xffff
,
AND
,
1
);
/* r1 = 1 when dst mac is broadcast */
...
...
@@ -258,5 +260,23 @@ void pfilter_init_default()
pfilter_logic2
(
R_CLASS
(
0
),
15
,
MOV
,
0
);
/* class 0: ICMP/IP(unicast) or ARP(broadcast) or PTPv2 => PTP LM32 core */
pfilter_load
();
#else
pfilter_new
();
pfilter_nop
();
pfilter_cmp
(
0
,
0xffff
,
0xffff
,
MOV
,
1
);
pfilter_cmp
(
1
,
0xffff
,
0xffff
,
AND
,
1
);
pfilter_cmp
(
2
,
0xffff
,
0xffff
,
AND
,
1
);
/* r1 = 1 when dst mac is broadcast */
pfilter_cmp
(
0
,
0x011b
,
0xffff
,
MOV
,
2
);
pfilter_cmp
(
1
,
0x1900
,
0xffff
,
AND
,
2
);
pfilter_cmp
(
2
,
0x0000
,
0xffff
,
AND
,
2
);
/* r2 = 1 when dst mac is PTP multicast (01:1b:19:00:00:00) */
pfilter_cmp
(
0
,
EP
->
MACH
&
0xffff
,
0xffff
,
MOV
,
3
);
pfilter_cmp
(
1
,
EP
->
MACL
>>
16
,
0xffff
,
AND
,
3
);
pfilter_cmp
(
2
,
EP
->
MACL
&
0xffff
,
0xffff
,
AND
,
3
);
/* r3 = 1 when the packet is unicast to our own MAC */
pfilter_cmp
(
6
,
0x88f7
,
0xffff
,
MOV
,
5
);
/* r5 = 1 when ethertype = PTPv2 */
pfilter_logic3
(
6
,
3
,
OR
,
2
,
AND
,
5
);
/* r6 = PTPv2(multicast or unicast) */
pfilter_logic2
(
R_CLASS
(
7
),
6
,
NOT
,
0
);
/* class 7: not PTP => external fabric */
pfilter_logic2
(
R_CLASS
(
0
),
6
,
MOV
,
0
);
/* class 0: PTPv2 => PTP LM32 core */
pfilter_load
();
#endif
}
\ No newline at end of file
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