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eth: Use shared counter for fractional part of pause quanta

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2025-04-26 20:02:35 -07:00
parent 3dc7e4821d
commit 8dc33f3a44
10 changed files with 75 additions and 47 deletions
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12
tb/eth/taxi_mac_pause_ctrl_rx/test_taxi_mac_pause_ctrl_rx.py
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@@ -121,7 +121,7 @@ async def run_test_lfc(dut):
tb.log.info("pause time : %g s", pause_time)
tb.log.info("pause quanta : %f", pause_quanta)
assert round(pause_quanta) == 100
assert round(pause_quanta/4) == 100//4
tb.log.info("Test release time accuracy (with refresh)")
eth = Ether(src='5A:51:52:53:54:55', dst='01:80:C2:00:00:01', type=0x8808)
@@ -151,7 +151,7 @@ async def run_test_lfc(dut):
tb.log.info("pause time : %g s", pause_time)
tb.log.info("pause quanta : %f", pause_quanta)
assert round(pause_quanta) == 100
assert round(pause_quanta/4) == 100//4
tb.log.info("Test explicit release")
eth = Ether(src='5A:51:52:53:54:55', dst='01:80:C2:00:00:01', type=0x8808)
@@ -230,7 +230,7 @@ async def run_test_pfc(dut):
tb.log.info("pause time : %g s", pause_time)
tb.log.info("pause quanta : %f", pause_quanta)
assert round(pause_quanta) == 100
assert round(pause_quanta/4) == 100//4
tb.log.info("Test release time accuracy (with refresh)")
eth = Ether(src='5A:51:52:53:54:55', dst='01:80:C2:00:00:01', type=0x8808)
@@ -260,7 +260,7 @@ async def run_test_pfc(dut):
tb.log.info("pause time : %g s", pause_time)
tb.log.info("pause quanta : %f", pause_quanta)
assert round(pause_quanta) == 100
assert round(pause_quanta/4) == 100//4
tb.log.info("Test explicit release")
eth = Ether(src='5A:51:52:53:54:55', dst='01:80:C2:00:00:01', type=0x8808)
@@ -316,7 +316,7 @@ async def run_test_pfc(dut):
tb.log.info("pause time : %g s", pause_time)
tb.log.info("pause quanta : %f", pause_quanta)
assert round(pause_quanta) == (k+1)*10
assert round(pause_quanta/4) == (k+1)*10//4
dut.rx_pfc_ack.value = 0
@@ -358,7 +358,7 @@ async def run_test_pfc(dut):
tb.log.info("pause time : %g s", pause_time)
tb.log.info("pause quanta : %f", pause_quanta)
assert round(pause_quanta) == 100
assert round(pause_quanta/4) == 100//4
await RisingEdge(dut.clk)
await RisingEdge(dut.clk)