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wifi: mac80211: update the right link for tx power

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Stop looking at deflink and start using the actual link.
Initialize the power settings upon link init.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.2685dab8e1ab.I1d82cbdb2dda020aee4a225bd9a134f7d82dd810@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2024-10-07 15:00:52 +03:00 committed by Johannes Berg
parent 0b7392ee3b
commit c4382d5ca1
4 changed files with 74 additions and 51 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

98
net/mac80211/cfg.c
View file

@ -3061,9 +3061,25 @@ static int ieee80211_set_tx_power(struct wiphy *wiphy,
enum nl80211_tx_power_setting txp_type = type;
bool update_txp_type = false;
bool has_monitor = false;
int user_power_level;
lockdep_assert_wiphy(local->hw.wiphy);
switch (type) {
case NL80211_TX_POWER_AUTOMATIC:
user_power_level = IEEE80211_UNSET_POWER_LEVEL;
txp_type = NL80211_TX_POWER_LIMITED;
break;
case NL80211_TX_POWER_LIMITED:
case NL80211_TX_POWER_FIXED:
if (mbm < 0 || (mbm % 100))
return -EOPNOTSUPP;
user_power_level = MBM_TO_DBM(mbm);
break;
default:
return -EINVAL;
}
if (wdev) {
sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
@ -3077,57 +3093,65 @@ static int ieee80211_set_tx_power(struct wiphy *wiphy,
return -EOPNOTSUPP;
}
switch (type) {
case NL80211_TX_POWER_AUTOMATIC:
sdata->deflink.user_power_level =
IEEE80211_UNSET_POWER_LEVEL;
txp_type = NL80211_TX_POWER_LIMITED;
break;
case NL80211_TX_POWER_LIMITED:
case NL80211_TX_POWER_FIXED:
if (mbm < 0 || (mbm % 100))
return -EOPNOTSUPP;
sdata->deflink.user_power_level = MBM_TO_DBM(mbm);
break;
for (int link_id = 0;
link_id < ARRAY_SIZE(sdata->link);
link_id++) {
struct ieee80211_link_data *link =
wiphy_dereference(wiphy, sdata->link[link_id]);
if (!link)
continue;
link->user_power_level = user_power_level;
if (txp_type != link->conf->txpower_type) {
update_txp_type = true;
link->conf->txpower_type = txp_type;
}
ieee80211_recalc_txpower(link, update_txp_type);
}
if (txp_type != sdata->vif.bss_conf.txpower_type) {
update_txp_type = true;
sdata->vif.bss_conf.txpower_type = txp_type;
}
ieee80211_recalc_txpower(&sdata->deflink, update_txp_type);
return 0;
}
switch (type) {
case NL80211_TX_POWER_AUTOMATIC:
local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
txp_type = NL80211_TX_POWER_LIMITED;
break;
case NL80211_TX_POWER_LIMITED:
case NL80211_TX_POWER_FIXED:
if (mbm < 0 || (mbm % 100))
return -EOPNOTSUPP;
local->user_power_level = MBM_TO_DBM(mbm);
break;
}
local->user_power_level = user_power_level;
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
has_monitor = true;
continue;
}
sdata->deflink.user_power_level = local->user_power_level;
if (txp_type != sdata->vif.bss_conf.txpower_type)
update_txp_type = true;
sdata->vif.bss_conf.txpower_type = txp_type;
for (int link_id = 0;
link_id < ARRAY_SIZE(sdata->link);
link_id++) {
struct ieee80211_link_data *link =
wiphy_dereference(wiphy, sdata->link[link_id]);
if (!link)
continue;
link->user_power_level = local->user_power_level;
if (txp_type != link->conf->txpower_type)
update_txp_type = true;
link->conf->txpower_type = txp_type;
}
}
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
continue;
ieee80211_recalc_txpower(&sdata->deflink, update_txp_type);
for (int link_id = 0;
link_id < ARRAY_SIZE(sdata->link);
link_id++) {
struct ieee80211_link_data *link =
wiphy_dereference(wiphy, sdata->link[link_id]);
if (!link)
continue;
ieee80211_recalc_txpower(link, update_txp_type);
}
}
if (has_monitor) {

4
net/mac80211/chan.c
View file

@ -905,7 +905,7 @@ static int ieee80211_assign_link_chanctx(struct ieee80211_link_data *link,
}
if (new_ctx && ieee80211_chanctx_num_assigned(local, new_ctx) > 0) {
ieee80211_recalc_txpower(&sdata->deflink, false);
ieee80211_recalc_txpower(link, false);
ieee80211_recalc_chanctx_min_def(local, new_ctx, NULL, false);
}
@ -1712,7 +1712,7 @@ static int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
link,
changed);
ieee80211_recalc_txpower(&sdata->deflink, false);
ieee80211_recalc_txpower(link, false);
}
ieee80211_recalc_chanctx_chantype(local, ctx);

20
net/mac80211/iface.c
View file

@ -46,12 +46,11 @@ static void ieee80211_iface_work(struct wiphy *wiphy, struct wiphy_work *work);
bool __ieee80211_recalc_txpower(struct ieee80211_link_data *link)
{
struct ieee80211_sub_if_data *sdata = link->sdata;
struct ieee80211_chanctx_conf *chanctx_conf;
int power;
rcu_read_lock();
chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
if (!chanctx_conf) {
rcu_read_unlock();
return false;
@ -60,15 +59,15 @@ bool __ieee80211_recalc_txpower(struct ieee80211_link_data *link)
power = ieee80211_chandef_max_power(&chanctx_conf->def);
rcu_read_unlock();
if (sdata->deflink.user_power_level != IEEE80211_UNSET_POWER_LEVEL)
power = min(power, sdata->deflink.user_power_level);
if (link->user_power_level != IEEE80211_UNSET_POWER_LEVEL)
power = min(power, link->user_power_level);
if (sdata->deflink.ap_power_level != IEEE80211_UNSET_POWER_LEVEL)
power = min(power, sdata->deflink.ap_power_level);
if (link->ap_power_level != IEEE80211_UNSET_POWER_LEVEL)
power = min(power, link->ap_power_level);
if (power != sdata->vif.bss_conf.txpower) {
sdata->vif.bss_conf.txpower = power;
ieee80211_hw_config(sdata->local, 0);
if (power != link->conf->txpower) {
link->conf->txpower = power;
ieee80211_hw_config(link->sdata->local, 0);
return true;
}
@ -2177,9 +2176,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
ieee80211_set_default_queues(sdata);
sdata->deflink.ap_power_level = IEEE80211_UNSET_POWER_LEVEL;
sdata->deflink.user_power_level = local->user_power_level;
/* setup type-dependent data */
ieee80211_setup_sdata(sdata, type);

3
net/mac80211/link.c
View file

@ -36,6 +36,9 @@ void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
link->conf = link_conf;
link_conf->link_id = link_id;
link_conf->vif = &sdata->vif;
link->ap_power_level = IEEE80211_UNSET_POWER_LEVEL;
link->user_power_level = sdata->local->user_power_level;
link_conf->txpower = INT_MIN;
wiphy_work_init(&link->csa.finalize_work,
ieee80211_csa_finalize_work);