From e8818702917440eb670e56b98ebca19ffcfc5c8e Mon Sep 17 00:00:00 2001
From: Eric Kooistra <kooistra@astron.nl>
Date: Fri, 28 Oct 2022 08:13:55 +0200
Subject: [PATCH] Correct bg_siso.ready
---
libraries/io/eth/src/vhdl/eth_tester_tx.vhd | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libraries/io/eth/src/vhdl/eth_tester_tx.vhd b/libraries/io/eth/src/vhdl/eth_tester_tx.vhd
index 3955872501..8d5dace234 100644
--- a/libraries/io/eth/src/vhdl/eth_tester_tx.vhd
+++ b/libraries/io/eth/src/vhdl/eth_tester_tx.vhd
@@ -92,6 +92,7 @@ ARCHITECTURE str OF eth_tester_tx IS
SIGNAL bg_data : STD_LOGIC_VECTOR(c_octet_w-1 DOWNTO 0);
SIGNAL bg_ctrl_hold : t_diag_block_gen;
SIGNAL bg_block_len : NATURAL;
+ SIGNAL tx_packed_siso : t_dp_siso;
SIGNAL tx_packed_sosi : t_dp_sosi;
SIGNAL tx_packed_data : STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0);
SIGNAL tx_fifo_sosi : t_dp_sosi;
@@ -149,6 +150,10 @@ BEGIN
out_siso_arr(0) => bg_siso
);
+ -- BG clock level flow control, needed when the dp_repack_data has to insert
+ -- empty octets into the last packed word.
+ bg_siso.ready <= tx_packed_siso.ready;
+
-- BG block level flow control, needed in case BG settings result in eth bit
-- rate > 1 Gbps, to avoid u_tx_fifo overflow.
p_bg_siso_xon : PROCESS(st_clk)
@@ -173,6 +178,7 @@ BEGIN
PORT MAP (
rst => st_rst,
clk => st_clk,
+ snk_out => tx_packed_siso,
snk_in => bg_sosi,
src_out => tx_packed_sosi
);
--
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