Skip to content

Commit

Permalink
mt76: mt7615: fix hw queue mapping
Browse files Browse the repository at this point in the history
mt7622/mt7663 chipsets rely on a fixed reverse queue map order respect
to mac80211 one:
- q(0): IEEE80211_AC_BK
- q(1): IEEE80211_AC_BE
- q(2): IEEE80211_AC_VI
- q(3): IEEE80211_AC_VO

Fixes: cdad4874057d ("mt76: mt7615: add dma and tx queue initialization for MT7622")
Fixes: f40ac0f3d3c0 ("mt76: mt7615: introduce mt7663e support")
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
  • Loading branch information
LorenzoBianconi authored and nbd168 committed Jun 7, 2020
1 parent 43febd4 commit 0b99752
Show file tree
Hide file tree
Showing 6 changed files with 45 additions and 28 deletions.
8 changes: 4 additions & 4 deletions mt7615/dma.c
Expand Up @@ -36,10 +36,10 @@ static int
mt7622_init_tx_queues_multi(struct mt7615_dev *dev)
{
static const u8 wmm_queue_map[] = {
MT7622_TXQ_AC0,
MT7622_TXQ_AC1,
MT7622_TXQ_AC2,
MT7622_TXQ_AC3,
[IEEE80211_AC_BK] = MT7622_TXQ_AC0,
[IEEE80211_AC_BE] = MT7622_TXQ_AC1,
[IEEE80211_AC_VI] = MT7622_TXQ_AC2,
[IEEE80211_AC_VO] = MT7622_TXQ_AC3,
};
int ret;
int i;
Expand Down
2 changes: 1 addition & 1 deletion mt7615/mac.c
Expand Up @@ -528,7 +528,7 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,

if (ieee80211_is_data(fc) || ieee80211_is_bufferable_mmpdu(fc)) {
q_idx = wmm_idx * MT7615_MAX_WMM_SETS +
skb_get_queue_mapping(skb);
mt7615_lmac_mapping(dev, skb_get_queue_mapping(skb));
p_fmt = is_usb ? MT_TX_TYPE_SF : MT_TX_TYPE_CT;
} else if (beacon) {
if (ext_phy)
Expand Down
15 changes: 0 additions & 15 deletions mt7615/mac.h
Expand Up @@ -124,21 +124,6 @@ enum tx_pkt_type {
MT_TX_TYPE_FW,
};

enum tx_pkt_queue_idx {
MT_LMAC_AC00,
MT_LMAC_AC01,
MT_LMAC_AC02,
MT_LMAC_AC03,
MT_LMAC_ALTX0 = 0x10,
MT_LMAC_BMC0,
MT_LMAC_BCN0,
MT_LMAC_PSMP0,
MT_LMAC_ALTX1,
MT_LMAC_BMC1,
MT_LMAC_BCN1,
MT_LMAC_PSMP1,
};

enum tx_port_idx {
MT_TX_PORT_IDX_LMAC,
MT_TX_PORT_IDX_MCU
Expand Down
1 change: 1 addition & 0 deletions mt7615/main.c
Expand Up @@ -397,6 +397,7 @@ mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_dev *dev = mt7615_hw_dev(hw);

queue = mt7615_lmac_mapping(dev, queue);
queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;

return mt7615_mcu_set_wmm(dev, queue, params);
Expand Down
30 changes: 30 additions & 0 deletions mt7615/mt7615.h
Expand Up @@ -282,6 +282,21 @@ struct mt7615_dev {
struct list_head wd_head;
};

enum tx_pkt_queue_idx {
MT_LMAC_AC00,
MT_LMAC_AC01,
MT_LMAC_AC02,
MT_LMAC_AC03,
MT_LMAC_ALTX0 = 0x10,
MT_LMAC_BMC0,
MT_LMAC_BCN0,
MT_LMAC_PSMP0,
MT_LMAC_ALTX1,
MT_LMAC_BMC1,
MT_LMAC_BCN1,
MT_LMAC_PSMP1,
};

enum {
HW_BSSID_0 = 0x0,
HW_BSSID_1,
Expand Down Expand Up @@ -447,6 +462,21 @@ static inline u16 mt7615_wtbl_size(struct mt7615_dev *dev)
return MT7615_WTBL_SIZE;
}

static inline u8 mt7615_lmac_mapping(struct mt7615_dev *dev, u8 ac)
{
static const u8 lmac_queue_map[] = {
[IEEE80211_AC_BK] = MT_LMAC_AC00,
[IEEE80211_AC_BE] = MT_LMAC_AC01,
[IEEE80211_AC_VI] = MT_LMAC_AC02,
[IEEE80211_AC_VO] = MT_LMAC_AC03,
};

if (WARN_ON_ONCE(ac >= ARRAY_SIZE(lmac_queue_map)))
return MT_LMAC_AC01; /* BE */

return lmac_queue_map[ac];
}

void mt7615_dma_reset(struct mt7615_dev *dev);
void mt7615_scan_work(struct work_struct *work);
void mt7615_roc_work(struct work_struct *work);
Expand Down
17 changes: 9 additions & 8 deletions usb.c
Expand Up @@ -1010,17 +1010,18 @@ static void mt76u_tx_kick(struct mt76_dev *dev, struct mt76_queue *q)
static u8 mt76u_ac_to_hwq(struct mt76_dev *dev, u8 ac)
{
if (mt76_chip(dev) == 0x7663) {
static const u8 wmm_queue_map[] = {
[IEEE80211_AC_VO] = 0,
[IEEE80211_AC_VI] = 1,
[IEEE80211_AC_BE] = 2,
[IEEE80211_AC_BK] = 4,
static const u8 lmac_queue_map[] = {
/* ac to lmac mapping */
[IEEE80211_AC_BK] = 0,
[IEEE80211_AC_BE] = 1,
[IEEE80211_AC_VI] = 2,
[IEEE80211_AC_VO] = 4,
};

if (WARN_ON(ac >= ARRAY_SIZE(wmm_queue_map)))
return 2; /* BE */
if (WARN_ON(ac >= ARRAY_SIZE(lmac_queue_map)))
return 1; /* BE */

return wmm_queue_map[ac];
return lmac_queue_map[ac];
}

return mt76_ac_to_hwq(ac);
Expand Down

0 comments on commit 0b99752

Please sign in to comment.