wr_endpoint/pfilter: eof or error shouldn't overwrite pfilter decision if it was already made

When it was doing that, for short frames pclass and drop_o were zeroed and U_match_buffer was not getting correct values.

wr_endpoint/pfilter: eof or error shouldn't overwrite pfilter decision if it was already made
When it was doing that, for short frames pclass and drop_o were zeroed and U_match_buffer was not getting correct values.
0f976efa · Grzegorz Daniluk · 1965a1aa · 0f976efa
Commit 0f976efa authored Jan 12, 2015 by Grzegorz Daniluk
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ep_packet_filter.vhd modules/wr_endpoint/ep_packet_filter.vhd +2 -1

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--- a/modules/wr_endpoint/ep_packet_filter.vhd
+++ b/modules/wr_endpoint/ep_packet_filter.vhd
@@ -331,7 +331,8 @@ begin  -- behavioral
          done_int <= '0';
          drop_o   <= '0';
          pclass_o <= (others => '0');
-        elsif((stage2 = '1' and insn.fin = '1') or snk_fab_i.error = '1' or snk_fab_i.eof = '1') then
+        elsif( (stage2 = '1' and insn.fin = '1') or
+               ((snk_fab_i.error = '1' or snk_fab_i.eof = '1') and done_int = '0') ) then
          done_int <= '1';
          pclass_o <= regs(31 downto 24);
          drop_o   <= regs(23);