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wifi: mac80211: fix idle calculation with multi-link 

The vif's idle state doesn't automatically go to true when
any link removes the channel context, it's only idle when
_all_ links no longer have a channel context. Fix that.

Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240418105220.90df97557702.I05d2228ce85c203b9f2d6da8538cc16dce46752a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-04-18 10:52:19 +02:00
parent 6a94cf996f
commit 89884459a0
1 changed files with 22 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
net/mac80211/chan.c
View File

@ -797,6 +797,7 @@ static int ieee80211_assign_link_chanctx(struct ieee80211_link_data *link,
struct ieee80211_local *local = sdata->local;
struct ieee80211_chanctx_conf *conf;
struct ieee80211_chanctx *curr_ctx = NULL;
bool new_idle;
int ret = 0;
if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_NAN))
@ -829,8 +830,6 @@ static int ieee80211_assign_link_chanctx(struct ieee80211_link_data *link,
out:
rcu_assign_pointer(link->conf->chanctx_conf, conf);
sdata->vif.cfg.idle = !conf;
if (curr_ctx && ieee80211_chanctx_num_assigned(local, curr_ctx) > 0) {
ieee80211_recalc_chanctx_chantype(local, curr_ctx);
ieee80211_recalc_smps_chanctx(local, curr_ctx);
@ -843,9 +842,27 @@ out:
ieee80211_recalc_chanctx_min_def(local, new_ctx, NULL);
}
if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
sdata->vif.type != NL80211_IFTYPE_MONITOR)
ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_IDLE);
if (conf) {
new_idle = false;
} else {
struct ieee80211_link_data *tmp;
new_idle = true;
for_each_sdata_link(local, tmp) {
if (rcu_access_pointer(tmp->conf->chanctx_conf)) {
new_idle = false;
break;
}
}
}
if (new_idle != sdata->vif.cfg.idle) {
sdata->vif.cfg.idle = new_idle;
if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
sdata->vif.type != NL80211_IFTYPE_MONITOR)
ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_IDLE);
}
ieee80211_check_fast_xmit_iface(sdata);