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Commit 12e05f84 authored by Reinier van der Walle's avatar Reinier van der Walle
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parent 6df2223c
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1 merge request!287added valid_arp signal
Pipeline #37933 passed
......@@ -75,6 +75,9 @@ ARCHITECTURE rtl of nw_arp_request IS
CONSTANT c_dp_field_blk_snk_data_w : NATURAL := field_slv_len(c_hdr_field_arr);
CONSTANT c_dp_field_blk_src_data_w : NATURAL := c_data_w;
SIGNAL valid_sha : STD_LOGIC := '0';
SIGNAL valid_spa : STD_LOGIC := '0';
SIGNAL valid_tpa : STD_LOGIC := '0';
SIGNAL valid_arp : STD_LOGIC := '0';
SIGNAL pps_cnt : NATURAL := 0;
SIGNAL trigger : BOOLEAN := FALSE;
......@@ -102,13 +105,19 @@ BEGIN
p_dp_pps : PROCESS (dp_clk, dp_rst)
BEGIN
IF dp_rst = '1' THEN
valid_sha <= '0';
valid_spa <= '0';
valid_tpa <= '0';
valid_arp <= '0';
trigger <= FALSE;
pps_cnt <= 0;
dp_field_blk_snk_in <= c_dp_sosi_rst;
ELSIF RISING_EDGE(dp_clk) THEN
-- Use signal to indicate if ARP can be enabled.
valid_arp <= vector_or(arp_sha) AND vector_or(arp_spa) AND vector_or(arp_tpa);
valid_sha <= vector_or(arp_sha);
valid_spa <= vector_or(arp_spa);
valid_tpa <= vector_or(arp_tpa);
valid_arp <= valid_sha AND valid_spa AND valid_tpa;
IF valid_arp = '1' THEN
dp_field_blk_snk_in <= nxt_dp_field_blk_snk_in;
IF trigger AND dp_field_blk_snk_out.ready = '1' AND dp_field_blk_snk_out.xon = '1' THEN
......
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