diff options
| author | Felix Fietkau <nbd@nbd.name> | 2022-06-26 00:24:05 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-07-01 11:51:41 +0300 |
| commit | 942741dabcb43236006f557178801ce2051e69f9 (patch) | |
| tree | c6ac91b8b5081264c1fb18343f89bf0b621bc60e /net/mac80211/iface.c | |
| parent | 7f884baae68adc85db55b97e3fc903a1f20bd1f9 (diff) | |
| download | linux-942741dabcb43236006f557178801ce2051e69f9.tar.xz | |
wifi: mac80211: switch airtime fairness back to deficit round-robin scheduling
This reverts commits 6a789ba679d652587532cec2a0e0274fda172f3b and
2433647bc8d983a543e7d31b41ca2de1c7e2c198.
The virtual time scheduler code has a number of issues:
- queues slowed down by hardware/firmware powersave handling were not properly
handled.
- on ath10k in push-pull mode, tx queues that the driver tries to pull from
were starved, causing excessive latency
- delay between tx enqueue and reported airtime use were causing excessively
bursty tx behavior
The bursty behavior may also be present on the round-robin scheduler, but there
it is much easier to fix without introducing additional regressions
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Link: https://lore.kernel.org/r/20220625212411.36675-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/iface.c')
| -rw-r--r-- | net/mac80211/iface.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 0cf5a395d925..56dd831fe45f 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -2176,10 +2176,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, } } - for (i = 0; i < IEEE80211_NUM_ACS; i++) - init_airtime_info(&sdata->deflink.airtime[i], - &local->airtime[i]); - ieee80211_set_default_queues(sdata); sdata->deflink.ap_power_level = IEEE80211_UNSET_POWER_LEVEL; |