[Bug 282805] Support for Aquantia AQC113 and AQC113C Ethernet Controllers

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 20 Feb 2026 16:14:35 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282805

--- Comment #36 from David Burgess <david@burgess.tech> ---
Simlar results with RSS disabled. MTU = 9198 for the results in this and
previous post. CPU usage also looks the same with or without RSS and
tx_abdicate. Idle % is slightly higher when receiving, and appears to correlate
with throughput in all cases, as you would expect.

tx_abdicate=1

root@bgfw:~ # iperf3 -c 192.168.4.5
Connecting to host 192.168.4.5, port 5201
[  5] local 192.168.4.1 port 59639 connected to 192.168.4.5 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec   827 MBytes  6.92 Gbits/sec  117    230 KBytes       
[  5]   1.00-2.01   sec   889 MBytes  7.40 Gbits/sec   94    554 KBytes       
[  5]   2.01-3.00   sec   892 MBytes  7.55 Gbits/sec  135    781 KBytes       
[  5]   3.00-4.00   sec   792 MBytes  6.65 Gbits/sec  138    329 KBytes       
[  5]   4.00-5.00   sec   795 MBytes  6.67 Gbits/sec  146    604 KBytes       
[  5]   5.00-6.00   sec   866 MBytes  7.26 Gbits/sec  144    144 KBytes       
[  5]   6.00-7.02   sec   802 MBytes  6.60 Gbits/sec  152    711 KBytes       
[  5]   7.02-8.00   sec   904 MBytes  7.72 Gbits/sec  133    408 KBytes       
[  5]   8.00-9.00   sec   866 MBytes  7.27 Gbits/sec  108    390 KBytes       
[  5]   9.00-10.00  sec   811 MBytes  6.80 Gbits/sec  101    437 KBytes       
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  8.25 GBytes  7.08 Gbits/sec  1268            sender
[  5]   0.00-10.00  sec  8.24 GBytes  7.08 Gbits/sec                  receiver

iperf Done.

root@bgfw:~ # iperf3 -c 192.168.4.5 -R
Connecting to host 192.168.4.5, port 5201
Reverse mode, remote host 192.168.4.5 is sending
[  5] local 192.168.4.1 port 64749 connected to 192.168.4.5 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec  1.15 GBytes  9.88 Gbits/sec                  
[  5]   1.00-2.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   2.00-3.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   3.00-4.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   4.00-5.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   5.00-6.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   6.00-7.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   7.00-8.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   8.00-9.00   sec  1.15 GBytes  9.90 Gbits/sec                  
[  5]   9.00-10.00  sec  1.15 GBytes  9.90 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  11.5 GBytes  9.90 Gbits/sec    2            sender
[  5]   0.00-10.00  sec  11.5 GBytes  9.90 Gbits/sec                  receiver

iperf Done.

tx_abdicate=0

root@bgfw:~ # iperf3 -c 192.168.4.5
Connecting to host 192.168.4.5, port 5201
[  5] local 192.168.4.1 port 38232 connected to 192.168.4.5 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  1022 MBytes  8.57 Gbits/sec  132    196 KBytes       
[  5]   1.00-2.00   sec   993 MBytes  8.32 Gbits/sec  161    331 KBytes       
[  5]   2.00-3.02   sec  1.01 GBytes  8.52 Gbits/sec  167    239 KBytes       
[  5]   3.02-4.00   sec   972 MBytes  8.35 Gbits/sec  167    521 KBytes       
[  5]   4.00-5.02   sec   918 MBytes  7.56 Gbits/sec  156   53.6 KBytes       
[  5]   5.02-6.00   sec   974 MBytes  8.32 Gbits/sec  176    274 KBytes       
[  5]   6.00-7.02   sec  1004 MBytes  8.27 Gbits/sec  169    350 KBytes       
[  5]   7.02-8.03   sec  1.02 GBytes  8.68 Gbits/sec  165    814 KBytes       
[  5]   8.03-9.00   sec  1009 MBytes  8.67 Gbits/sec  118   1.00 MBytes       
[  5]   9.00-10.00  sec  1.01 GBytes  8.67 Gbits/sec  128    346 KBytes       
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  9.77 GBytes  8.39 Gbits/sec  1539            sender
[  5]   0.00-10.00  sec  9.77 GBytes  8.39 Gbits/sec                  receiver

iperf Done.

root@bgfw:~ # iperf3 -c 192.168.4.5 -R
Connecting to host 192.168.4.5, port 5201
Reverse mode, remote host 192.168.4.5 is sending
[  5] local 192.168.4.1 port 36016 connected to 192.168.4.5 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec  1.06 GBytes  9.07 Gbits/sec                  
[  5]   1.00-2.02   sec  1.11 GBytes  9.32 Gbits/sec                  
[  5]   2.02-3.00   sec  1.06 GBytes  9.32 Gbits/sec                  
[  5]   3.00-4.00   sec  1.03 GBytes  8.87 Gbits/sec                  
[  5]   4.00-5.00   sec  1.05 GBytes  9.00 Gbits/sec                  
[  5]   5.00-6.00   sec  1.05 GBytes  8.98 Gbits/sec                  
[  5]   6.00-7.00   sec  1.06 GBytes  9.08 Gbits/sec                  
[  5]   7.00-8.00   sec  1.03 GBytes  8.88 Gbits/sec                  
[  5]   8.00-9.00   sec  1.04 GBytes  8.93 Gbits/sec                  
[  5]   9.00-10.00  sec  1.03 GBytes  8.87 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  10.5 GBytes  9.04 Gbits/sec    0            sender
[  5]   0.00-10.00  sec  10.5 GBytes  9.03 Gbits/sec                  receiver

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