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eth: Capture TX tag on the first cylce of the packet

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
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Alex Forencich
2026-01-03 23:44:53 -08:00
parent 108fb10735
commit 4b3a4b4059
5 changed files with 18 additions and 7 deletions
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3
src/eth/rtl/taxi_axis_xgmii_tx_32.sv
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@@ -324,7 +324,6 @@ always_comb begin
if (PTP_TS_EN) begin
m_axis_tx_cpl_ts_next = ptp_ts;
end
m_axis_tx_cpl_tag_next = s_axis_tx.tid;
if (TX_CPL_CTRL_IN_TUSER) begin
m_axis_tx_cpl_valid_next = (s_axis_tx.tuser >> 1) == 0;
end else begin
@@ -427,6 +426,8 @@ always_comb begin
s_tdata_next = s_axis_tx_tdata_masked;
s_empty_next = keep2empty(s_axis_tx.tkeep);
m_axis_tx_cpl_tag_next = s_axis_tx.tid;
if (s_axis_tx.tvalid && cfg_tx_enable) begin
// XGMII start and preamble
xgmii_txd_next = {{3{ETH_PRE}}, XGMII_START};