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release 6.15.4

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This commit is contained in:
Konstantin Demin
2025-06-27 14:17:53 +03:00
parent 4cb7006cd5
commit 8df072e89b
90 changed files with 569 additions and 5084 deletions
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2
debian/patches/misc-openwrt/0002-mac80211-avoid-crashing-missing-band.patch vendored
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@@ -18,7 +18,7 @@ Signed-off-by: David Bauer <mail@david-bauer.net>
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -2474,6 +2474,13 @@ static void sta_stats_decode_rate(struct
@@ -2467,6 +2467,13 @@ static void sta_stats_decode_rate(struct
sband = local->hw.wiphy->bands[band];

2
debian/patches/misc-openwrt/0003-mac80211-sta-randomize-BA-session-dialog-token-alloc.patch vendored
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@@ -28,7 +28,7 @@ Signed-off-by: Johannes Berg <johannes.berg@intel.com>
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -583,6 +583,7 @@ __sta_info_alloc(struct ieee80211_sub_if
@@ -582,6 +582,7 @@ __sta_info_alloc(struct ieee80211_sub_if
spin_lock_init(&sta->ps_lock);
INIT_WORK(&sta->drv_deliver_wk, sta_deliver_ps_frames);
wiphy_work_init(&sta->ampdu_mlme.work, ieee80211_ba_session_work);

6
debian/patches/misc-openwrt/0007-mac80211-increase-quantum-for-airtime-scheduler.patch vendored
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@@ -23,7 +23,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -4084,7 +4084,7 @@ struct ieee80211_txq *ieee80211_next_txq
@@ -4077,7 +4077,7 @@ struct ieee80211_txq *ieee80211_next_txq
if (deficit < 0)
sta->airtime[txqi->txq.ac].deficit +=
@@ -32,7 +32,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
if (deficit < 0 || !aql_check) {
list_move_tail(&txqi->schedule_order,
@@ -4227,7 +4227,8 @@ bool ieee80211_txq_may_transmit(struct i
@@ -4220,7 +4220,8 @@ bool ieee80211_txq_may_transmit(struct i
}
sta = container_of(iter->txq.sta, struct sta_info, sta);
if (ieee80211_sta_deficit(sta, ac) < 0)
@@ -42,7 +42,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
list_move_tail(&iter->schedule_order, &local->active_txqs[ac]);
}
@@ -4235,7 +4236,7 @@ bool ieee80211_txq_may_transmit(struct i
@@ -4228,7 +4229,7 @@ bool ieee80211_txq_may_transmit(struct i
if (sta->airtime[ac].deficit >= 0)
goto out;

14
debian/patches/misc-openwrt/0008-mac80211-add-AQL-support-for-broadcast-packets.patch vendored
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@@ -95,7 +95,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
spin_lock_init(&local->active_txq_lock[i]);
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -2388,13 +2388,28 @@ EXPORT_SYMBOL(ieee80211_sta_recalc_aggre
@@ -2381,13 +2381,28 @@ EXPORT_SYMBOL(ieee80211_sta_recalc_aggre
void ieee80211_sta_update_pending_airtime(struct ieee80211_local *local,
struct sta_info *sta, u8 ac,
@@ -127,7 +127,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
atomic_add(tx_airtime,
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2556,7 +2556,7 @@ static u16 ieee80211_store_ack_skb(struc
@@ -2549,7 +2549,7 @@ static u16 ieee80211_store_ack_skb(struc
spin_lock_irqsave(&local->ack_status_lock, flags);
id = idr_alloc(&local->ack_status_frames, ack_skb,
@@ -136,7 +136,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
spin_unlock_irqrestore(&local->ack_status_lock, flags);
if (id >= 0) {
@@ -3985,20 +3985,20 @@ begin:
@@ -3978,20 +3978,20 @@ begin:
encap_out:
info->control.vif = vif;
@@ -167,7 +167,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
}
return skb;
@@ -4050,6 +4050,7 @@ struct ieee80211_txq *ieee80211_next_txq
@@ -4043,6 +4043,7 @@ struct ieee80211_txq *ieee80211_next_txq
struct ieee80211_txq *ret = NULL;
struct txq_info *txqi = NULL, *head = NULL;
bool found_eligible_txq = false;
@@ -175,7 +175,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
spin_lock_bh(&local->active_txq_lock[ac]);
@@ -4073,26 +4074,26 @@ struct ieee80211_txq *ieee80211_next_txq
@@ -4066,26 +4067,26 @@ struct ieee80211_txq *ieee80211_next_txq
if (!head)
head = txqi;
@@ -214,7 +214,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
if (txqi->schedule_round == local->schedule_round[ac])
goto out;
@@ -4157,7 +4158,8 @@ bool ieee80211_txq_airtime_check(struct
@@ -4150,7 +4151,8 @@ bool ieee80211_txq_airtime_check(struct
return true;
if (!txq->sta)
@@ -224,7 +224,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
if (unlikely(txq->tid == IEEE80211_NUM_TIDS))
return true;
@@ -4206,15 +4208,15 @@ bool ieee80211_txq_may_transmit(struct i
@@ -4199,15 +4201,15 @@ bool ieee80211_txq_may_transmit(struct i
spin_lock_bh(&local->active_txq_lock[ac]);

221
debian/patches/misc-openwrt/0009-mac80211-revert-dynamically-set-codel-parameters-per-station.patch vendored
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@@ -1,221 +0,0 @@
This reverts commit 484a54c2e597dbc4ace79c1687022282905afba0. The CoDel
parameter change essentially disables CoDel on slow stations, with some
questionable assumptions, as Dave pointed out in [0]. Quoting from
there:
But here are my pithy comments as to why this part of mac80211 is so
wrong...
static void sta_update_codel_params(struct sta_info *sta, u32 thr)
{
- if (thr && thr < STA_SLOW_THRESHOLD * sta->local->num_sta) {
1) sta->local->num_sta is the number of associated, rather than
active, stations. "Active" stations in the last 50ms or so, might have
been a better thing to use, but as most people have far more than that
associated, we end up with really lousy codel parameters, all the
time. Mistake numero uno!
2) The STA_SLOW_THRESHOLD was completely arbitrary in 2016.
- sta->cparams.target = MS2TIME(50);
This, by itself, was probably not too bad. 30ms might have been
better, at the time, when we were battling powersave etc, but 20ms was
enough, really, to cover most scenarios, even where we had low rate
2Ghz multicast to cope with. Even then, codel has a hard time finding
any sane drop rate at all, with a target this high.
- sta->cparams.interval = MS2TIME(300);
But this was horrible, a total mistake, that is leading to codel being
completely ineffective in almost any scenario on clients or APS.
100ms, even 80ms, here, would be vastly better than this insanity. I'm
seeing 5+seconds of delay accumulated in a bunch of otherwise happily
fq-ing APs....
100ms of observed jitter during a flow is enough. Certainly (in 2016)
there were interactions with powersave that I did not understand, and
still don't, but if you are transmitting in the first place, powersave
shouldn't be a problemmmm.....
- sta->cparams.ecn = false;
At the time we were pretty nervous about ecn, I'm kind of sanguine
about it now, and reliably indicating ecn seems better than turning it
off for any reason.
[...]
In production, on p2p wireless, I've had 8ms and 80ms for target and
interval for years now, and it works great.
I think Dave's arguments above are basically sound on the face of it,
and various experimentation with tighter CoDel parameters in the OpenWrt
community have show promising results[1]. So I don't think there's any
reason to keep this parameter fiddling; hence this revert.
[0] https://lore.kernel.org/linux-wireless/CAA93jw6NJ2cmLmMauz0xAgC2MGbBq6n0ZiZzAdkK0u4b+O2yXg@mail.gmail.com/
[1] https://forum.openwrt.org/t/reducing-multiplexing-latencies-still-further-in-wifi/133605/130
Suggested-By: Dave Taht <dave.taht@gmail.com>
In-memory-of: Dave Taht <dave.taht@gmail.com>
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -5347,22 +5347,6 @@ void ieee80211_get_tx_rates(struct ieee8
int max_rates);
/**
- * ieee80211_sta_set_expected_throughput - set the expected tpt for a station
- *
- * Call this function to notify mac80211 about a change in expected throughput
- * to a station. A driver for a device that does rate control in firmware can
- * call this function when the expected throughput estimate towards a station
- * changes. The information is used to tune the CoDel AQM applied to traffic
- * going towards that station (which can otherwise be too aggressive and cause
- * slow stations to starve).
- *
- * @pubsta: the station to set throughput for.
- * @thr: the current expected throughput in kbps.
- */
-void ieee80211_sta_set_expected_throughput(struct ieee80211_sta *pubsta,
- u32 thr);
-
-/**
* ieee80211_tx_rate_update - transmit rate update callback
*
* Drivers should call this functions with a non-NULL pub sta
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -152,12 +152,6 @@ static ssize_t sta_aqm_read(struct file
p += scnprintf(p,
bufsz + buf - p,
- "target %uus interval %uus ecn %s\n",
- codel_time_to_us(sta->cparams.target),
- codel_time_to_us(sta->cparams.interval),
- sta->cparams.ecn ? "yes" : "no");
- p += scnprintf(p,
- bufsz + buf - p,
"tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n");
for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -990,8 +990,6 @@ int rate_control_set_rates(struct ieee80
if (sta->uploaded)
drv_sta_rate_tbl_update(hw_to_local(hw), sta->sdata, pubsta);
- ieee80211_sta_set_expected_throughput(pubsta, sta_get_expected_throughput(sta));
-
return 0;
}
EXPORT_SYMBOL(rate_control_set_rates);
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -18,7 +18,6 @@
#include <linux/timer.h>
#include <linux/rtnetlink.h>
-#include <net/codel.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "driver-ops.h"
@@ -702,13 +701,6 @@ __sta_info_alloc(struct ieee80211_sub_if
}
}
- sta->cparams.ce_threshold = CODEL_DISABLED_THRESHOLD;
- sta->cparams.target = MS2TIME(20);
- sta->cparams.interval = MS2TIME(100);
- sta->cparams.ecn = true;
- sta->cparams.ce_threshold_selector = 0;
- sta->cparams.ce_threshold_mask = 0;
-
sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr);
return sta;
@@ -2928,27 +2920,6 @@ unsigned long ieee80211_sta_last_active(
return sta->deflink.status_stats.last_ack;
}
-static void sta_update_codel_params(struct sta_info *sta, u32 thr)
-{
- if (thr && thr < STA_SLOW_THRESHOLD * sta->local->num_sta) {
- sta->cparams.target = MS2TIME(50);
- sta->cparams.interval = MS2TIME(300);
- sta->cparams.ecn = false;
- } else {
- sta->cparams.target = MS2TIME(20);
- sta->cparams.interval = MS2TIME(100);
- sta->cparams.ecn = true;
- }
-}
-
-void ieee80211_sta_set_expected_throughput(struct ieee80211_sta *pubsta,
- u32 thr)
-{
- struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
-
- sta_update_codel_params(sta, thr);
-}
-
int ieee80211_sta_allocate_link(struct sta_info *sta, unsigned int link_id)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -467,14 +467,6 @@ struct ieee80211_fragment_cache {
unsigned int next;
};
-/*
- * The bandwidth threshold below which the per-station CoDel parameters will be
- * scaled to be more lenient (to prevent starvation of slow stations). This
- * value will be scaled by the number of active stations when it is being
- * applied.
- */
-#define STA_SLOW_THRESHOLD 6000 /* 6 Mbps */
-
/**
* struct link_sta_info - Link STA information
* All link specific sta info are stored here for reference. This can be
@@ -627,7 +619,6 @@ struct link_sta_info {
* @sta: station information we share with the driver
* @sta_state: duplicates information about station state (for debug)
* @rcu_head: RCU head used for freeing this station struct
- * @cparams: CoDel parameters for this station.
* @reserved_tid: reserved TID (if any, otherwise IEEE80211_TID_UNRESERVED)
* @amsdu_mesh_control: track the mesh A-MSDU format used by the peer:
*
@@ -718,8 +709,6 @@ struct sta_info {
struct dentry *debugfs_dir;
#endif
- struct codel_params cparams;
-
u8 reserved_tid;
s8 amsdu_mesh_control;
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1402,16 +1402,9 @@ static struct sk_buff *fq_tin_dequeue_fu
local = container_of(fq, struct ieee80211_local, fq);
txqi = container_of(tin, struct txq_info, tin);
+ cparams = &local->cparams;
cstats = &txqi->cstats;
- if (txqi->txq.sta) {
- struct sta_info *sta = container_of(txqi->txq.sta,
- struct sta_info, sta);
- cparams = &sta->cparams;
- } else {
- cparams = &local->cparams;
- }
-
if (flow == &tin->default_flow)
cvars = &txqi->def_cvars;
else

0
debian/patches/misc-openwrt/0010-mac80211-txq-tune.patch → debian/patches/misc-openwrt/0009-mac80211-txq-tune.patch vendored
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0
debian/patches/misc-openwrt/0011-cfg80211-aql-txq-limit.patch → debian/patches/misc-openwrt/0010-cfg80211-aql-txq-limit.patch vendored
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