2019-11-30 15:31:35

by Felix Fietkau

[permalink] [raw]
Subject: [PATCH 03/29] mt76: add support for an extra wiphy in the rx path

This is preparation for supporting multiple wiphys per device to support the
concurrent dual-band feature of MT7615D

Signed-off-by: Felix Fietkau <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mac80211.c | 20 +++++++++++++------
drivers/net/wireless/mediatek/mt76/mt76.h | 11 ++++++++++
2 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 39b409556083..0c2a11172203 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -563,8 +563,12 @@ void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
}
EXPORT_SYMBOL(mt76_wcid_key_setup);

-static struct ieee80211_sta *mt76_rx_convert(struct sk_buff *skb)
+static void
+mt76_rx_convert(struct mt76_dev *dev, struct sk_buff *skb,
+ struct ieee80211_hw **hw,
+ struct ieee80211_sta **sta)
{
+
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct mt76_rx_status mstat;

@@ -589,7 +593,8 @@ static struct ieee80211_sta *mt76_rx_convert(struct sk_buff *skb)
memcpy(status->chain_signal, mstat.chain_signal,
sizeof(mstat.chain_signal));

- return wcid_to_sta(mstat.wcid);
+ *sta = wcid_to_sta(mstat.wcid);
+ *hw = mt76_phy_hw(dev, mstat.ext_phy);
}

static int
@@ -715,12 +720,14 @@ mt76_check_sta(struct mt76_dev *dev, struct sk_buff *skb)
struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_sta *sta;
+ struct ieee80211_hw *hw;
struct mt76_wcid *wcid = status->wcid;
bool ps;
int i;

+ hw = mt76_phy_hw(dev, status->ext_phy);
if (ieee80211_is_pspoll(hdr->frame_control) && !wcid) {
- sta = ieee80211_find_sta_by_ifaddr(dev->hw, hdr->addr2, NULL);
+ sta = ieee80211_find_sta_by_ifaddr(hw, hdr->addr2, NULL);
if (sta)
wcid = status->wcid = (struct mt76_wcid *)sta->drv_priv;
}
@@ -778,7 +785,7 @@ mt76_check_sta(struct mt76_dev *dev, struct sk_buff *skb)

mtxq = (struct mt76_txq *)sta->txq[i]->drv_priv;
if (!skb_queue_empty(&mtxq->retry_q))
- ieee80211_schedule_txq(dev->hw, sta->txq[i]);
+ ieee80211_schedule_txq(hw, sta->txq[i]);
}
}

@@ -786,6 +793,7 @@ void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
struct napi_struct *napi)
{
struct ieee80211_sta *sta;
+ struct ieee80211_hw *hw;
struct sk_buff *skb;

spin_lock(&dev->rx_lock);
@@ -795,8 +803,8 @@ void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
continue;
}

- sta = mt76_rx_convert(skb);
- ieee80211_rx_napi(dev->hw, sta, skb, napi);
+ mt76_rx_convert(dev, skb, &hw, &sta);
+ ieee80211_rx_napi(hw, sta, skb, napi);
}
spin_unlock(&dev->rx_lock);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 2a01d2c0445b..705d25f9778a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -433,6 +433,7 @@ struct mt76_rx_status {

u8 iv[6];

+ u8 ext_phy:1;
u8 aggr:1;
u8 tid;
u16 seqno;
@@ -457,6 +458,8 @@ struct mt76_phy {
struct mt76_dev {
struct mt76_phy phy; /* must be first */

+ struct mt76_phy *phy2;
+
struct ieee80211_hw *hw;
struct cfg80211_chan_def chandef;
struct ieee80211_channel *main_chan;
@@ -640,6 +643,14 @@ void mt76_seq_puts_array(struct seq_file *file, const char *str,
int mt76_eeprom_init(struct mt76_dev *dev, int len);
void mt76_eeprom_override(struct mt76_dev *dev);

+static inline struct ieee80211_hw *
+mt76_phy_hw(struct mt76_dev *dev, bool phy_ext)
+{
+ if (phy_ext && dev->phy2)
+ return dev->phy2->hw;
+ return dev->phy.hw;
+}
+
static inline u8 *
mt76_get_txwi_ptr(struct mt76_dev *dev, struct mt76_txwi_cache *t)
{
--
2.24.0