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mt76: add API for testmode support

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This can be used for calibration in the manufacturing process.
It supports sending a configurable number of packets with a specific rate
and configurable tx power levels / antenna settings.
It also supports receiving packets and showing some statistics, including
packet counters and detailed RSSI information.
It will only be compiled in if CONFIG_NL80211_TESTMODE is enabled

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2020-06-22 21:31:02 +02:00
parent b1ddb8e35c
commit 3a1ea7287e
7 changed files with 759 additions and 0 deletions
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tx.c
+18
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@@ -236,6 +236,14 @@ void mt76_tx_complete_skb(struct mt76_dev *dev, struct sk_buff *skb)
struct ieee80211_hw *hw;
struct sk_buff_head list;
#ifdef CONFIG_NL80211_TESTMODE
if (skb == dev->test.tx_skb) {
dev->test.tx_done++;
if (dev->test.tx_queued == dev->test.tx_done)
wake_up(&dev->tx_wait);
}
#endif
if (!skb->prev) {
hw = mt76_tx_status_get_hw(dev, skb);
ieee80211_free_txskb(hw, skb);
@@ -259,6 +267,11 @@ mt76_tx(struct mt76_phy *phy, struct ieee80211_sta *sta,
int qid = skb_get_queue_mapping(skb);
bool ext_phy = phy != &dev->phy;
if (mt76_testmode_enabled(dev)) {
ieee80211_free_txskb(phy->hw, skb);
return;
}
if (WARN_ON(qid >= MT_TXQ_PSD)) {
qid = MT_TXQ_BE;
skb_set_queue_mapping(skb, qid);
@@ -579,6 +592,11 @@ void mt76_tx_tasklet(unsigned long data)
mt76_txq_schedule_all(&dev->phy);
if (dev->phy2)
mt76_txq_schedule_all(dev->phy2);
#ifdef CONFIG_NL80211_TESTMODE
if (dev->test.tx_pending)
mt76_testmode_tx_pending(dev);
#endif
}
void mt76_stop_tx_queues(struct mt76_dev *dev, struct ieee80211_sta *sta,