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Software for White Rabbit PTP Core
Commit 06fed36e authored by Alessandro Rubini's avatar Alessandro Rubini
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pfilter: novlan: simplify logic 

This shortens the rule-set by one rule, making space for pdelay.

There is no need to use a temporary register once FOR_CPU is done.
Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent ce18c9e9
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tools/pfilter-builder.c
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......@@ -410,13 +410,12 @@ void pfilter_init_novlan(char *fname)
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_logic3(FRAME_FOR_CPU, FRAME_UDP, AND, PORT_UDP_HOST, OR, FRAME_FOR_CPU);
pfilter_logic3(R_CLASS(0), FRAME_UDP, AND, PORT_UDP_HOST, OR, FRAME_FOR_CPU);
/* 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 the stuff: one cpu class, two fabric classes: 7 etherbone, 6 for anything else */
pfilter_logic2(R_CLASS(0), FRAME_FOR_CPU, MOV, R_ZERO);
/* and now copy out fabric selections: 7 etherbone, 6 for anything else */
pfilter_logic2(R_CLASS(7), FRAME_UDP, AND, PORT_UDP_ETHERBONE);
pfilter_logic2(R_CLASS(6), FRAME_UDP, NAND, PORT_UDP_ETHERBONE);
......
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