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| author | Baptiste Jonglez <git@bitsofnetworks.org> | 2020-03-26 19:03:42 +0100 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2020-03-28 13:46:26 +0100 |
| commit | f5b3cd15395c2617585e36b4acf40999616cc60c (patch) | |
| tree | e9ccfda35d1d23a5922997405763b369961e4eda /tools | |
| parent | bdbda30384980ed545391ddf23308ca4bde34770 (diff) | |
| download | upstream-f5b3cd15395c2617585e36b4acf40999616cc60c.tar.gz upstream-f5b3cd15395c2617585e36b4acf40999616cc60c.tar.bz2 upstream-f5b3cd15395c2617585e36b4acf40999616cc60c.zip | |
ar71xx: Fix gigabit switch support for Mikrotik RB951G-2HnD
Without this patch, when using rev 3 of the Atheros AR9344 SoC, the
gigabit switch (AR8327) does not work or works very erratically.
This is a re-spin of http://patchwork.ozlabs.org/patch/419857/ with a
different PLL value, according to the feedback from several users
(including myself) as shown here:
https://openwrt.org/toh/mikrotik/rb2011uias#tracking_reported_experience_with_suggested_patch_for_the_5_gige_ports
Performance is acceptable: testing L3 forwarding without NAT yields a
performance of 370 Mbit/s (iperf3 TCP) and 41 Kpps (iperf3 UDP with 64
bytes payload). Both tests show that 100% of CPU time is spent on softirq.
A similar fix for a different device (RB2011) was added in e457d22261
("Make GBit switch work on RB2011").
Signed-off-by: Baptiste Jonglez <git@bitsofnetworks.org>
(cherry picked from commit 247043c968d22c193055a97a9cdf5baef4aaf96d)
Diffstat (limited to 'tools')
0 files changed, 0 insertions, 0 deletions