Commit e6678f9d authored by Shayne Chen's avatar Shayne Chen Committed by Felix Fietkau
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mt76: mt7915: rework mt7915_tm_set_tx_len() 



Rework mt7915_tm_set_tx_len() with mt76_testmode_alloc_skb() to support
larger packet based on a longer tx_time.

Signed-off-by: default avatarShayne Chen <shayne.chen@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 2601dda8

drivers/net/wireless/mediatek/mt76/mt7915/testmode.c

+5 −17
Original line number Diff line number Diff line
@@ -257,13 +257,13 @@ mt7915_tm_set_tx_len(struct mt7915_phy *phy, u32 tx_time) 
{

	struct mt76_phy *mphy = phy->mt76;

	struct mt76_testmode_data *td = &mphy->test;

	struct sk_buff *old = td->tx_skb, *new;

	struct ieee80211_supported_band *sband;

	struct rate_info rate = {};

	u16 flags = 0, tx_len;

	u32 bitrate;

	int ret;



	if (!tx_time || !old)

	if (!tx_time)

		return 0;



	rate.mcs = td->tx_rate_idx;
@@ -323,21 +323,9 @@ mt7915_tm_set_tx_len(struct mt7915_phy *phy, u32 tx_time) 
	bitrate = cfg80211_calculate_bitrate(&rate);

	tx_len = bitrate * tx_time / 10 / 8;



	if (tx_len < sizeof(struct ieee80211_hdr))

		tx_len = sizeof(struct ieee80211_hdr);

	else if (tx_len > IEEE80211_MAX_FRAME_LEN)

		tx_len = IEEE80211_MAX_FRAME_LEN;



	new = alloc_skb(tx_len, GFP_KERNEL);

	if (!new)

		return -ENOMEM;



	skb_copy_header(new, old);

	__skb_put_zero(new, tx_len);

	memcpy(new->data, old->data, sizeof(struct ieee80211_hdr));



	dev_kfree_skb(old);

	td->tx_skb = new;

	ret = mt76_testmode_alloc_skb(phy->mt76, tx_len);

	if (ret)

		return ret;



	return 0;

}