0007-net-mac80211-override-incompatible-basic-rates-for-mesh.patch

From: David Bauer <mail@david-bauer.net>
Date: Mon, 6 Jan 2025 08:30:35 +0100
Subject: net: mac80211: override incompatible basic-rates for mesh

This is a dirty hack for Gluon.

We assume basic rate setup only affects the rate-controller on the TX
side. As all devices we support have at least a 802.11n radio and thus
cover 802.11b as well as 802.11g on 2.4 GHz, they are compatible with
each other.

As the basic rate was incorrectly set for mesh interfaces in the past,
connections between mesh neighbors would fail when altering the basic
rate.

This patch ignores mismatches in the basic-rate field. By doing so, we
avoid implementing some sort of scheduled switch between wireless
configurations.

Signed-off-by: David Bauer <mail@david-bauer.net>

diff --git a/package/kernel/mac80211/patches/subsys/995-net-mac80211-override-incompatible-basic-rates-for-m.patch b/package/kernel/mac80211/patches/subsys/995-net-mac80211-override-incompatible-basic-rates-for-m.patch
new file mode 100644
index 0000000000000000000000000000000000000000..efcf0b4f041bb21184e9cd997bc6caca4729a1fe
--- /dev/null
+++ b/package/kernel/mac80211/patches/subsys/995-net-mac80211-override-incompatible-basic-rates-for-m.patch
@@ -0,0 +1,37 @@
+From 091e1eea9e34db7cbf84379021fcbff82887e09a Mon Sep 17 00:00:00 2001
+From: David Bauer <mail@david-bauer.net>
+Date: Mon, 6 Jan 2025 08:23:54 +0100
+Subject: [PATCH] net: mac80211: override incompatible basic-rates for mesh
+
+This is a dirty hack for Gluon.
+
+We assume basic rate setup only affects the rate-controller on the TX
+side. As all devices we support have at least a 802.11n radio and thus
+cover 802.11b as well as 802.11g on 2.4 GHz, they are compatible with
+each other.
+
+As the basic rate was incorrectly set for mesh interfaces in the past,
+connections between mesh neighbors would fail when altering the basic
+rate.
+
+This patch ignores mismatches in the basic-rate field. By doing so, we
+avoid implementing some sort of scheduled switch between wireless
+configurations.
+
+Signed-off-by: David Bauer <mail@david-bauer.net>
+---
+ net/mac80211/mesh.c | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+--- a/net/mac80211/mesh.c
++++ b/net/mac80211/mesh.c
+@@ -94,9 +94,6 @@ bool mesh_matches_local(struct ieee80211
+ 	ieee80211_sta_get_rates(sdata, ie, sband->band,
+ 				&basic_rates);
+ 
+-	if (sdata->vif.bss_conf.basic_rates != basic_rates)
+-		return false;
+-
+ 	cfg80211_chandef_create(&sta_chan_def, sdata->vif.bss_conf.chanreq.oper.chan,
+ 				NL80211_CHAN_NO_HT);
+ 	ieee80211_chandef_ht_oper(ie->ht_operation, &sta_chan_def);