this seems to work fine on iwm0 at pci2 dev 0 function 0 "Intel Dual Band Wireless AC 7260" rev 0x83, msi
download is considerably less wobbly, upload also benefits a bit(?): before: [florian@x1:~]$ tcpbench -t 10 192.168.178.73 elapsed_ms bytes mbps bwidth 1001 2683144 21.444 100.00% Conn: 1 Mbps: 21.444 Peak Mbps: 21.444 Avg Mbps: 21.444 2013 2894552 22.904 100.00% Conn: 1 Mbps: 22.904 Peak Mbps: 22.904 Avg Mbps: 22.904 3014 771784 6.174 100.00% Conn: 1 Mbps: 6.174 Peak Mbps: 22.904 Avg Mbps: 6.174 4014 2380512 19.044 100.00% Conn: 1 Mbps: 19.044 Peak Mbps: 22.904 Avg Mbps: 19.044 5039 3042248 23.768 100.00% Conn: 1 Mbps: 23.768 Peak Mbps: 23.768 Avg Mbps: 23.768 6035 2858352 22.959 100.00% Conn: 1 Mbps: 22.959 Peak Mbps: 23.768 Avg Mbps: 22.959 7034 2875728 23.029 100.00% Conn: 1 Mbps: 23.029 Peak Mbps: 23.768 Avg Mbps: 23.029 8034 3701088 29.609 100.00% Conn: 1 Mbps: 29.609 Peak Mbps: 29.609 Avg Mbps: 29.609 9035 2927856 23.423 100.00% Conn: 1 Mbps: 23.423 Peak Mbps: 29.609 Avg Mbps: 23.423 10039 4019648 32.061 100.00% Conn: 1 Mbps: 32.061 Peak Mbps: 32.061 Avg Mbps: 32.061 [florian@x1:~]$ tcpbench -s elapsed_ms bytes mbps bwidth 1013 2939440 23.214 100.00% Conn: 1 Mbps: 23.214 Peak Mbps: 23.214 Avg Mbps: 23.214 2018 127424 1.015 100.00% Conn: 1 Mbps: 1.015 Peak Mbps: 23.214 Avg Mbps: 1.015 3019 3453480 27.628 100.00% Conn: 1 Mbps: 27.628 Peak Mbps: 27.628 Avg Mbps: 27.628 4033 1781040 14.052 100.00% Conn: 1 Mbps: 14.052 Peak Mbps: 27.628 Avg Mbps: 14.052 5034 928168 7.425 100.00% Conn: 1 Mbps: 7.425 Peak Mbps: 27.628 Avg Mbps: 7.425 6036 3386872 27.068 100.00% Conn: 1 Mbps: 27.068 Peak Mbps: 27.628 Avg Mbps: 27.068 7053 3233384 25.435 100.00% Conn: 1 Mbps: 25.435 Peak Mbps: 27.628 Avg Mbps: 25.435 8063 1796968 14.233 100.00% Conn: 1 Mbps: 14.233 Peak Mbps: 27.628 Avg Mbps: 14.233 9068 97016 0.773 100.00% Conn: 1 Mbps: 0.773 Peak Mbps: 27.628 Avg Mbps: 0.773 10069 2641152 21.129 100.00% Conn: 1 Mbps: 21.129 Peak Mbps: 27.628 Avg Mbps: 21.129 11073 1106272 8.815 100.00% Conn: 1 Mbps: 8.815 Peak Mbps: 27.628 Avg Mbps: 8.815 ------------------------------------------------------------------------ after: [florian@x1:~]$ tcpbench -t 10 192.168.178.73 elapsed_ms bytes mbps bwidth 1004 3311576 26.387 100.00% Conn: 1 Mbps: 26.387 Peak Mbps: 26.387 Avg Mbps: 26.387 2006 3247864 25.957 100.00% Conn: 1 Mbps: 25.957 Peak Mbps: 26.387 Avg Mbps: 25.957 3048 3614208 27.748 100.00% Conn: 1 Mbps: 27.748 Peak Mbps: 27.748 Avg Mbps: 27.748 4050 3876296 30.979 100.00% Conn: 1 Mbps: 30.979 Peak Mbps: 30.979 Avg Mbps: 30.979 5054 3518640 28.065 100.00% Conn: 1 Mbps: 28.065 Peak Mbps: 30.979 Avg Mbps: 28.065 6053 3604072 28.861 100.00% Conn: 1 Mbps: 28.861 Peak Mbps: 30.979 Avg Mbps: 28.861 7054 3494024 27.924 100.00% Conn: 1 Mbps: 27.924 Peak Mbps: 30.979 Avg Mbps: 27.924 8055 3200080 25.601 100.00% Conn: 1 Mbps: 25.601 Peak Mbps: 30.979 Avg Mbps: 25.601 9056 3525880 28.179 100.00% Conn: 1 Mbps: 28.179 Peak Mbps: 30.979 Avg Mbps: 28.179 10057 3084240 24.649 100.00% Conn: 1 Mbps: 24.649 Peak Mbps: 30.979 Avg Mbps: 24.649 [florian@x1:~]$ tcpbench -s elapsed_ms bytes mbps bwidth 1002 4358480 34.798 100.00% Conn: 1 Mbps: 34.798 Peak Mbps: 34.798 Avg Mbps: 34.798 2013 5059312 40.034 100.00% Conn: 1 Mbps: 40.034 Peak Mbps: 40.034 Avg Mbps: 40.034 3011 4960848 39.766 100.00% Conn: 1 Mbps: 39.766 Peak Mbps: 40.034 Avg Mbps: 39.766 4014 5622584 44.891 100.00% Conn: 1 Mbps: 44.891 Peak Mbps: 44.891 Avg Mbps: 44.891 5013 5432896 43.507 100.00% Conn: 1 Mbps: 43.507 Peak Mbps: 44.891 Avg Mbps: 43.507 6014 5311264 42.490 100.00% Conn: 1 Mbps: 42.490 Peak Mbps: 44.891 Avg Mbps: 42.490 7028 6329208 49.935 100.00% Conn: 1 Mbps: 49.935 Peak Mbps: 49.935 Avg Mbps: 49.935 8036 6056984 48.119 100.00% Conn: 1 Mbps: 48.119 Peak Mbps: 49.935 Avg Mbps: 48.119 9055 5977344 46.973 100.00% Conn: 1 Mbps: 46.973 Peak Mbps: 49.935 Avg Mbps: 46.973 10090 6000568 46.426 100.00% Conn: 1 Mbps: 46.426 Peak Mbps: 49.935 Avg Mbps: 46.426 11060 5396640 44.554 100.00% Conn: 1 Mbps: 44.554 Peak Mbps: 49.935 Avg Mbps: 44.554 Conn: 0 Mbps: 0.000 Peak Mbps: 49.935 Avg Mbps: 0.000 -- I'm not entirely sure you are real.