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eth: Clean up masking, lane 0 never needs to be masked

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
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Alex Forencich
2025-10-04 20:06:58 -07:00
parent 93ef0f970b
commit caeacadb78
6 changed files with 22 additions and 17 deletions
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4
src/eth/rtl/taxi_axis_xgmii_tx_64.sv
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@@ -258,8 +258,8 @@ endfunction
// Mask input data
wire [DATA_W-1:0] s_axis_tx_tdata_masked;
for (genvar n = 0; n < CTRL_W; n = n + 1) begin
assign s_axis_tx_tdata_masked[n*8 +: 8] = s_axis_tx.tkeep[n] ? s_axis_tx.tdata[n*8 +: 8] : 8'd0;
for (genvar n = 0; n < KEEP_W; n = n + 1) begin
assign s_axis_tx_tdata_masked[n*8 +: 8] = (n == 0 || s_axis_tx.tkeep[n]) ? s_axis_tx.tdata[n*8 +: 8] : 8'd0;
end
// FCS cycle calculation