[Bug 254884] [if_smsc] Add ability to disable "turbo_mode" (RX frames batching) similar to linux driver
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254884 Bug ID: 254884 Summary: [if_smsc] Add ability to disable "turbo_mode" (RX frames batching) similar to linux driver Product: Base System Version: CURRENT Hardware: arm OS: Any Status: New Severity: Affects Only Me Priority: --- Component: usb Assignee: u...@freebsd.org Reporter: osidor...@gmail.com Created attachment 223924 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=223924&action=edit Patch to add ability to disable "turbo mode" in if_smsc "turbo mode" makes chip to wait a while before transferring the frame in case there are some other frames. This increases both throughput and rtt. Linux driver has module param to disable batching if necessary. Attached patch adds similar flag to freebsd driver. -- You are receiving this mail because: You are the assignee for the bug. ___ freebsd-usb@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"
[Bug 254884] [if_smsc] Add ability to disable "turbo_mode" (RX frames batching) similar to linux driver
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254884 Hans Petter Selasky changed: What|Removed |Added CC||hsela...@freebsd.org Status|New |In Progress --- Comment #1 from Hans Petter Selasky --- Patch looks good. Do you have someone to commit it? --HPS -- You are receiving this mail because: You are the assignee for the bug. ___ freebsd-usb@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"
[Bug 254884] [if_smsc] Add ability to disable "turbo_mode" (RX frames batching) similar to linux driver
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254884 --- Comment #2 from Hans Petter Selasky --- Can you also post the numbers you see using iperf? --HPS -- You are receiving this mail because: You are the assignee for the bug. ___ freebsd-usb@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"
[Bug 254884] [if_smsc] Add ability to disable "turbo_mode" (RX frames batching) similar to linux driver
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254884 --- Comment #3 from Oleg Sidorkin --- (In reply to Hans Petter Selasky from comment #1) No :) (In reply to Hans Petter Selasky from comment #2) Iperf3: Turbo off: [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-1.01 sec 1.80 MBytes 14.9 Mbits/sec 22 60.8 KBytes [ 5] 1.01-2.00 sec 4.27 MBytes 36.3 Mbits/sec 50 21.3 KBytes [ 5] 2.00-3.00 sec 4.31 MBytes 36.2 Mbits/sec 43 19.8 KBytes [ 5] 3.00-4.00 sec 2.36 MBytes 19.8 Mbits/sec 37 60.8 KBytes [ 5] 4.00-5.00 sec 1.44 MBytes 12.1 Mbits/sec 40 2.84 KBytes [ 5] 5.00-6.01 sec 1.91 MBytes 15.9 Mbits/sec 42 48.1 KBytes [ 5] 6.01-7.00 sec 3.08 MBytes 26.0 Mbits/sec 48 14.1 KBytes [ 5] 7.00-8.01 sec 3.59 MBytes 29.9 Mbits/sec 43 60.8 KBytes [ 5] 8.01-9.00 sec 2.62 MBytes 22.1 Mbits/sec 45 18.4 KBytes [ 5] 9.00-10.00 sec 1.89 MBytes 15.9 Mbits/sec 43 1.41 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 27.3 MBytes 22.9 Mbits/sec 413 sender [ 5] 0.00-10.00 sec 27.2 MBytes 22.8 Mbits/sec receiver Turbo on: [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-1.00 sec 7.27 MBytes 61.0 Mbits/sec 34 31.2 KBytes [ 5] 1.00-2.00 sec 7.54 MBytes 63.2 Mbits/sec 33 36.9 KBytes [ 5] 2.00-3.00 sec 7.53 MBytes 63.2 Mbits/sec 36 21.2 KBytes [ 5] 3.00-4.00 sec 7.57 MBytes 63.5 Mbits/sec 33 26.9 KBytes [ 5] 4.00-5.00 sec 7.49 MBytes 62.9 Mbits/sec 34 35.5 KBytes [ 5] 5.00-6.00 sec 7.48 MBytes 62.8 Mbits/sec 33 36.9 KBytes [ 5] 6.00-7.00 sec 7.46 MBytes 62.6 Mbits/sec 36 5.66 KBytes [ 5] 7.00-8.00 sec 7.56 MBytes 63.4 Mbits/sec 35 25.5 KBytes [ 5] 8.00-9.00 sec 7.53 MBytes 63.1 Mbits/sec 34 32.6 KBytes [ 5] 9.00-10.00 sec 7.44 MBytes 62.4 Mbits/sec 35 36.9 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 74.9 MBytes 62.8 Mbits/sec 343 sender [ 5] 0.00-10.01 sec 74.8 MBytes 62.7 Mbits/sec receiver Ping: Turbo off: 21 packets transmitted, 21 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 0.344/0.432/0.558/0.057 ms Turbo on: 21 packets transmitted, 21 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 0.425/0.581/0.676/0.085 ms -- You are receiving this mail because: You are the assignee for the bug. ___ freebsd-usb@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"
[Bug 254884] [if_smsc] Add ability to disable "turbo_mode" (RX frames batching) similar to linux driver
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254884 Bertrand Petit changed: What|Removed |Added CC||bs...@phoe.frmug.org --- Comment #4 from Bertrand Petit --- This contribution is very welcome, I foresee a positive impact on ntp servers: it will improve jitter. Will it be applied to stable branches? -- You are receiving this mail because: You are the assignee for the bug. ___ freebsd-usb@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"
[Bug 254884] [if_smsc] Add ability to disable "turbo_mode" (RX frames batching) similar to linux driver
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254884 --- Comment #5 from Hans Petter Selasky --- Yes, it can be MFC'ed from what I see. I'll have a look at it tomorrow if nobody else grabs it :-) -- You are receiving this mail because: You are the assignee for the bug. ___ freebsd-usb@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"
