Skip to content

S
Software for White Rabbit PTP Core
Commit 79d897db authored by Tomasz Wlostowski's avatar Tomasz Wlostowski
Browse files
Options

ep_pfilter.c: added rules to drop unused traffic

parent 85f14f87
Hide whitespace changes
Inline Side-by-side
Showing with 8 additions and 6 deletions
dev/ep_pfilter.c
View file @ 79d897db
......@@ -216,6 +216,9 @@ void pfilter_load()
- redirects broadcasts and PTP packets to the WR Core
- redirects unicasts addressed to self with ethertype 0xa0a0 to the external fabric */
#define R_CLASS(x) (24 + x)
#define R_DROP 23
void pfilter_init_default()
{
pfilter_new();
......@@ -230,14 +233,13 @@ void pfilter_init_default()
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, 0xa0a0, 0xffff, MOV, 4); /* r4 = 1 when ethertype = 0xa0a0 */
pfilter_cmp(5, 0x88f8, 0xffff, MOV, 5); /* r5 = 1 when ethertype = PTPv2 */
/* Classes 0-3 go to the minic, 4-7 - to the external fabric */
pfilter_cmp(6, 0x88f7, 0xffff, MOV, 5); /* r5 = 1 when ethertype = PTPv2 */
// pfilter_logic3(R_CLASS(0), 2, AND, 5, OR, 3); // class 0: (PTP or broadcast)
// pfilter_logic2(R_CLASS(1), 1, AND, 6); // class 1: minibone probes
pfilter_logic3(7, 3, AND, 4, OR, 5); /* r5 = PTP or etherbone */
pfilter_logic2(R_DROP, 7, NOT, 0); /* Neither PTP or etherbone? drop */
pfilter_logic2(R_CLASS(7), 3, AND, 4); // class 7: minibone unicasts
pfilter_logic2(R_CLASS(0), 5, MOV, 0); // class 7: minibone unicasts
pfilter_logic2(30, 3, AND, 4); // class 7: minibone unicasts
pfilter_load();
}
\ No newline at end of file
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment