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wifi: mt76: add multi-radio support to scanning code

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When scanning on a phy/vif combination that does not have an active link,
create a temporary link in order to ensure that we have a valid wcid.

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2024-10-27 08:52:59 +01:00
parent aeedee5c0a
commit fc0ff17b53
3 changed files with 77 additions and 2 deletions
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channel.c
+61 -1
View File
@@ -4,6 +4,20 @@
*/
#include "mt76.h"
static struct mt76_vif_link *
mt76_alloc_mlink(struct mt76_dev *dev, struct mt76_vif_data *mvif)
{
struct mt76_vif_link *mlink;
mlink = kzalloc(dev->drv->link_data_size, GFP_KERNEL);
if (!mlink)
return NULL;
mlink->mvif = mvif;
return mlink;
}
static int
mt76_phy_update_channel(struct mt76_phy *phy,
struct ieee80211_chanctx_conf *conf)
@@ -108,7 +122,7 @@ int mt76_assign_vif_chanctx(struct ieee80211_hw *hw,
mlink = mt76_vif_conf_link(dev, vif, link_conf);
if (!mlink) {
mlink = kzalloc(dev->drv->link_data_size, GFP_KERNEL);
mlink = mt76_alloc_mlink(dev, mvif);
if (!mlink) {
ret = -ENOMEM;
goto out;
@@ -220,3 +234,49 @@ out:
return ret;
}
EXPORT_SYMBOL_GPL(mt76_switch_vif_chanctx);
struct mt76_vif_link *mt76_get_vif_phy_link(struct mt76_phy *phy,
struct ieee80211_vif *vif)
{
struct mt76_vif_link *mlink = (struct mt76_vif_link *)vif->drv_priv;
struct mt76_vif_data *mvif = mlink->mvif;
struct mt76_dev *dev = phy->dev;
int i, ret;
for (i = 0; i < ARRAY_SIZE(mvif->link); i++) {
mlink = mt76_dereference(mvif->link[i], dev);
if (!mlink)
continue;
if (mt76_vif_link_phy(mlink) == phy)
return mlink;
}
if (!dev->drv->vif_link_add)
return ERR_PTR(-EINVAL);
mlink = mt76_alloc_mlink(dev, mvif);
if (!mlink)
return ERR_PTR(-ENOMEM);
mlink->offchannel = true;
ret = dev->drv->vif_link_add(phy, vif, &vif->bss_conf, mlink);
if (ret) {
kfree(mlink);
return ERR_PTR(ret);
}
return mlink;
}
void mt76_put_vif_phy_link(struct mt76_phy *phy, struct ieee80211_vif *vif,
struct mt76_vif_link *mlink)
{
struct mt76_dev *dev = phy->dev;
if (IS_ERR_OR_NULL(mlink) || !mlink->offchannel)
return;
dev->drv->vif_link_remove(phy, vif, &vif->bss_conf, mlink);
kfree(mlink);
}