wr_endpoint/rx_buffer: rise drop earlier when the buffer is getting full

Otherwise, FSM cannot react on time under a storm of traffic.

wr_endpoint/rx_buffer: rise drop earlier when the buffer is getting full
Otherwise, FSM cannot react on time under a storm of traffic.
92545e65 · Grzegorz Daniluk · 0f976efa · 92545e65
Commit 92545e65 authored Jan 13, 2015 by Grzegorz Daniluk
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ep_rx_buffer.vhd modules/wr_endpoint/ep_rx_buffer.vhd +1 -1

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--- a/modules/wr_endpoint/ep_rx_buffer.vhd
+++ b/modules/wr_endpoint/ep_rx_buffer.vhd
@@ -68,7 +68,7 @@ end ep_rx_buffer;

 architecture behavioral of ep_rx_buffer is

-  constant c_drop_threshold    : integer := g_size - 2;
+  constant c_drop_threshold    : integer := g_size - 3;
  constant c_release_threshold : integer := g_size * 7 / 8;

  type t_write_state is(WAIT_FRAME, DATA);