This code was accidentally dropped while adding 6 GHz support
Fixes: b4d093e321bd ("mt76: mt7915: add 6 GHz support")
Signed-off-by: Felix Fietkau <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
index 5b133bcdab17..4b1a9811646f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
@@ -152,6 +152,8 @@ static void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
phy->mt76->cap.has_2ghz = true;
return;
}
+ } else if (val == MT_EE_BAND_SEL_DEFAULT && dev->dbdc_support) {
+ val = phy->band_idx ? MT_EE_BAND_SEL_5GHZ : MT_EE_BAND_SEL_2GHZ;
}
switch (val) {
--
2.35.1
Instead of taking q->lock for every single cleaned up frame, batch up to
16 cleaned up frames before taking it.
Signed-off-by: Felix Fietkau <[email protected]>
---
drivers/net/wireless/mediatek/mt76/dma.c | 26 +++++++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 09dc37bbf112..07065816262f 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -233,7 +233,9 @@ static void
mt76_dma_tx_cleanup(struct mt76_dev *dev, struct mt76_queue *q, bool flush)
{
struct mt76_queue_entry entry;
+ int done = 0;
int last;
+ int tail;
if (!q || !q->ndesc)
return;
@@ -244,21 +246,39 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, struct mt76_queue *q, bool flush)
else
last = readl(&q->regs->dma_idx);
- while (q->queued > 0 && q->tail != last) {
+ tail = q->tail;
+ while (q->queued - done > 0 && tail != last) {
mt76_dma_tx_cleanup_idx(dev, q, q->tail, &entry);
- mt76_queue_tx_complete(dev, q, &entry);
+ if (entry.skb)
+ dev->drv->tx_complete_skb(dev, &entry);
+ tail = (tail + 1) % q->ndesc;
+ done++;
if (entry.txwi) {
if (!(dev->drv->drv_flags & MT_DRV_TXWI_NO_FREE))
mt76_put_txwi(dev, entry.txwi);
}
- if (!flush && q->tail == last)
+ if (!flush && tail == last)
last = readl(&q->regs->dma_idx);
+ if (done > 16) {
+ spin_lock_bh(&q->lock);
+ q->queued -= done;
+ q->tail = tail;
+ spin_unlock_bh(&q->lock);
+ done = 0;
+ }
}
spin_unlock_bh(&q->cleanup_lock);
+ if (done) {
+ spin_lock_bh(&q->lock);
+ q->queued -= done;
+ q->tail = tail;
+ spin_unlock_bh(&q->lock);
+ }
+
if (flush) {
spin_lock_bh(&q->lock);
mt76_dma_sync_idx(dev, q);
--
2.35.1
The hardware receives them properly, they should not be dropped
Signed-off-by: Felix Fietkau <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index e9e7efbf350d..a8df65cc115f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -521,7 +521,7 @@ mt7915_mac_fill_rx_rate(struct mt7915_dev *dev,
status->encoding = RX_ENC_VHT;
if (gi)
status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
- if (i > 9)
+ if (i > 11)
return -EINVAL;
break;
case MT_PHY_TYPE_HE_MU:
--
2.35.1
dma unmap is already needed for cleanup anyway, so we don't need the extra
tracking and can save a bit of memory here
Signed-off-by: Felix Fietkau <[email protected]>
---
drivers/net/wireless/mediatek/mt76/dma.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 02daeefb0761..09dc37bbf112 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -16,7 +16,7 @@ mt76_alloc_txwi(struct mt76_dev *dev)
int size;
size = L1_CACHE_ALIGN(dev->drv->txwi_size + sizeof(*t));
- txwi = devm_kzalloc(dev->dev, size, GFP_ATOMIC);
+ txwi = kzalloc(size, GFP_ATOMIC);
if (!txwi)
return NULL;
@@ -73,9 +73,11 @@ mt76_free_pending_txwi(struct mt76_dev *dev)
struct mt76_txwi_cache *t;
local_bh_disable();
- while ((t = __mt76_get_txwi(dev)) != NULL)
+ while ((t = __mt76_get_txwi(dev)) != NULL) {
dma_unmap_single(dev->dev, t->dma_addr, dev->drv->txwi_size,
DMA_TO_DEVICE);
+ kfree(mt76_get_txwi_ptr(dev, t));
+ }
local_bh_enable();
}
--
2.35.1
Fixes an issue caught by KASAN about use-after-free in mt76_txq_schedule
by protecting mtxq->wcid with rcu_lock between mt76_txq_schedule and
sta_info_[alloc, free].
[18853.876689] ==================================================================
[18853.876751] BUG: KASAN: use-after-free in mt76_txq_schedule+0x204/0xaf8 [mt76]
[18853.876773] Read of size 8 at addr ffffffaf989a2138 by task mt76-tx phy0/883
[18853.876786]
[18853.876810] CPU: 5 PID: 883 Comm: mt76-tx phy0 Not tainted 5.10.100-fix-510-56778d365941-kasan #5 0b01fbbcf41a530f52043508fec2e31a4215
[18853.876840] Call trace:
[18853.876861] dump_backtrace+0x0/0x3ec
[18853.876878] show_stack+0x20/0x2c
[18853.876899] dump_stack+0x11c/0x1ac
[18853.876918] print_address_description+0x74/0x514
[18853.876934] kasan_report+0x134/0x174
[18853.876948] __asan_report_load8_noabort+0x44/0x50
[18853.876976] mt76_txq_schedule+0x204/0xaf8 [mt76 074e03e4640e97fe7405ee1fab547b81c4fa45d2]
[18853.877002] mt76_txq_schedule_all+0x2c/0x48 [mt76 074e03e4640e97fe7405ee1fab547b81c4fa45d2]
[18853.877030] mt7921_tx_worker+0xa0/0x1cc [mt7921_common f0875ebac9d7b4754e1010549e7db50fbd90a047]
[18853.877054] __mt76_worker_fn+0x190/0x22c [mt76 074e03e4640e97fe7405ee1fab547b81c4fa45d2]
[18853.877071] kthread+0x2f8/0x3b8
[18853.877087] ret_from_fork+0x10/0x30
[18853.877098]
[18853.877112] Allocated by task 941:
[18853.877131] kasan_save_stack+0x38/0x68
[18853.877147] __kasan_kmalloc+0xd4/0xfc
[18853.877163] kasan_kmalloc+0x10/0x1c
[18853.877177] __kmalloc+0x264/0x3c4
[18853.877294] sta_info_alloc+0x460/0xf88 [mac80211]
[18853.877410] ieee80211_prep_connection+0x204/0x1ee0 [mac80211]
[18853.877523] ieee80211_mgd_auth+0x6c4/0xa4c [mac80211]
[18853.877635] ieee80211_auth+0x20/0x2c [mac80211]
[18853.877733] rdev_auth+0x7c/0x438 [cfg80211]
[18853.877826] cfg80211_mlme_auth+0x26c/0x390 [cfg80211]
[18853.877919] nl80211_authenticate+0x6d4/0x904 [cfg80211]
[18853.877938] genl_rcv_msg+0x748/0x93c
[18853.877954] netlink_rcv_skb+0x160/0x2a8
[18853.877969] genl_rcv+0x3c/0x54
[18853.877985] netlink_unicast_kernel+0x104/0x1ec
[18853.877999] netlink_unicast+0x178/0x268
[18853.878015] netlink_sendmsg+0x3cc/0x5f0
[18853.878030] sock_sendmsg+0xb4/0xd8
[18853.878043] ____sys_sendmsg+0x2f8/0x53c
[18853.878058] ___sys_sendmsg+0xe8/0x150
[18853.878071] __sys_sendmsg+0xc4/0x1f4
[18853.878087] __arm64_compat_sys_sendmsg+0x88/0x9c
[18853.878101] el0_svc_common+0x1b4/0x390
[18853.878115] do_el0_svc_compat+0x8c/0xdc
[18853.878131] el0_svc_compat+0x10/0x1c
[18853.878146] el0_sync_compat_handler+0xa8/0xcc
[18853.878161] el0_sync_compat+0x188/0x1c0
[18853.878171]
[18853.878183] Freed by task 10927:
[18853.878200] kasan_save_stack+0x38/0x68
[18853.878215] kasan_set_track+0x28/0x3c
[18853.878228] kasan_set_free_info+0x24/0x48
[18853.878244] __kasan_slab_free+0x11c/0x154
[18853.878259] kasan_slab_free+0x14/0x24
[18853.878273] slab_free_freelist_hook+0xac/0x1b0
[18853.878287] kfree+0x104/0x390
[18853.878402] sta_info_free+0x198/0x210 [mac80211]
[18853.878515] __sta_info_destroy_part2+0x230/0x2d4 [mac80211]
[18853.878628] __sta_info_flush+0x300/0x37c [mac80211]
[18853.878740] ieee80211_set_disassoc+0x2cc/0xa7c [mac80211]
[18853.878851] ieee80211_mgd_deauth+0x4a4/0x10a0 [mac80211]
[18853.878962] ieee80211_deauth+0x20/0x2c [mac80211]
[18853.879057] rdev_deauth+0x7c/0x438 [cfg80211]
[18853.879150] cfg80211_mlme_deauth+0x274/0x414 [cfg80211]
[18853.879243] cfg80211_mlme_down+0xe4/0x118 [cfg80211]
[18853.879335] cfg80211_disconnect+0x218/0x2d8 [cfg80211]
[18853.879427] __cfg80211_leave+0x17c/0x240 [cfg80211]
[18853.879519] cfg80211_leave+0x3c/0x58 [cfg80211]
[18853.879611] wiphy_suspend+0xdc/0x200 [cfg80211]
[18853.879628] dpm_run_callback+0x58/0x408
[18853.879642] __device_suspend+0x4cc/0x864
[18853.879658] async_suspend+0x34/0xf4
[18853.879673] async_run_entry_fn+0xe0/0x37c
[18853.879689] process_one_work+0x508/0xb98
[18853.879702] worker_thread+0x7f4/0xcd4
[18853.879717] kthread+0x2f8/0x3b8
[18853.879731] ret_from_fork+0x10/0x30
[18853.879741]
[18853.879757] The buggy address belongs to the object at ffffffaf989a2000
[18853.879757] which belongs to the cache kmalloc-8k of size 8192
[18853.879774] The buggy address is located 312 bytes inside of
[18853.879774] 8192-byte region [ffffffaf989a2000, ffffffaf989a4000)
[18853.879787] The buggy address belongs to the page:
[18853.879807] page:000000004bda2a59 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1d89a0
[18853.879823] head:000000004bda2a59 order:3 compound_mapcount:0 compound_pincount:0
[18853.879839] flags: 0x8000000000010200(slab|head)
[18853.879857] raw: 8000000000010200 ffffffffbc89e208 ffffffffb7fb5208 ffffffaec000cc80
[18853.879873] raw: 0000000000000000 0000000000010001 00000001ffffffff 0000000000000000
[18853.879885] page dumped because: kasan: bad access detected
[18853.879896]
[18853.879907] Memory state around the buggy address:
[18853.879922] ffffffaf989a2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[18853.879935] ffffffaf989a2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[18853.879948] >ffffffaf989a2100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[18853.879961] ^
[18853.879973] ffffffaf989a2180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[18853.879986] ffffffaf989a2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[18853.879998] ==================================================================
Cc: [email protected]
Reported-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mac80211.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt76.h | 2 +-
drivers/net/wireless/mediatek/mt76/mt7603/main.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt7615/main.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt76x02_util.c | 4 +++-
drivers/net/wireless/mediatek/mt76/mt7915/main.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt7921/main.c | 2 +-
drivers/net/wireless/mediatek/mt76/tx.c | 9 ++++-----
8 files changed, 13 insertions(+), 12 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 5b53d008eb66..026ab1e16d45 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -1303,7 +1303,7 @@ mt76_sta_add(struct mt76_dev *dev, struct ieee80211_vif *vif,
continue;
mtxq = (struct mt76_txq *)sta->txq[i]->drv_priv;
- mtxq->wcid = wcid;
+ mtxq->wcid = wcid->idx;
}
ewma_signal_init(&wcid->rssi);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 882fb5d2517f..522c523d5c41 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -275,7 +275,7 @@ struct mt76_wcid {
};
struct mt76_txq {
- struct mt76_wcid *wcid;
+ u16 wcid;
u16 agg_ssn;
bool send_bar;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/main.c b/drivers/net/wireless/mediatek/mt76/mt7603/main.c
index 83c5eec5b163..1d098e9799dd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/main.c
@@ -75,7 +75,7 @@ mt7603_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
mt7603_wtbl_init(dev, idx, mvif->idx, bc_addr);
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
- mtxq->wcid = &mvif->sta.wcid;
+ mtxq->wcid = idx;
rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
out:
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index d79cbdbd5a05..6b8e3e7ae4a2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -234,7 +234,7 @@ static int mt7615_add_interface(struct ieee80211_hw *hw,
rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
if (vif->txq) {
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
- mtxq->wcid = &mvif->sta.wcid;
+ mtxq->wcid = idx;
}
ret = mt7615_mcu_add_dev_info(phy, vif, true);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
index dd30f537676d..be1d27de993a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
@@ -292,7 +292,8 @@ mt76x02_vif_init(struct mt76x02_dev *dev, struct ieee80211_vif *vif,
mt76_packet_id_init(&mvif->group_wcid);
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
- mtxq->wcid = &mvif->group_wcid;
+ rcu_assign_pointer(dev->mt76.wcid[MT_VIF_WCID(idx)], &mvif->group_wcid);
+ mtxq->wcid = MT_VIF_WCID(idx);
}
int
@@ -345,6 +346,7 @@ void mt76x02_remove_interface(struct ieee80211_hw *hw,
struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
dev->mt76.vif_mask &= ~BIT(mvif->idx);
+ rcu_assign_pointer(dev->mt76.wcid[mvif->group_wcid.idx], NULL);
mt76_packet_id_flush(&dev->mt76, &mvif->group_wcid);
}
EXPORT_SYMBOL_GPL(mt76x02_remove_interface);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index c3f44d801e7f..187cf4ccd36e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -246,7 +246,7 @@ static int mt7915_add_interface(struct ieee80211_hw *hw,
rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
if (vif->txq) {
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
- mtxq->wcid = &mvif->sta.wcid;
+ mtxq->wcid = idx;
}
if (vif->type != NL80211_IFTYPE_AP &&
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index fdaf2451bc1d..2173c3e9723f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -330,7 +330,7 @@ static int mt7921_add_interface(struct ieee80211_hw *hw,
rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
if (vif->txq) {
mtxq = (struct mt76_txq *)vif->txq->drv_priv;
- mtxq->wcid = &mvif->sta.wcid;
+ mtxq->wcid = idx;
}
out:
diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c
index 830963a65b34..c3be62f58b62 100644
--- a/drivers/net/wireless/mediatek/mt76/tx.c
+++ b/drivers/net/wireless/mediatek/mt76/tx.c
@@ -436,12 +436,11 @@ mt76_txq_stopped(struct mt76_queue *q)
static int
mt76_txq_send_burst(struct mt76_phy *phy, struct mt76_queue *q,
- struct mt76_txq *mtxq)
+ struct mt76_txq *mtxq, struct mt76_wcid *wcid)
{
struct mt76_dev *dev = phy->dev;
struct ieee80211_txq *txq = mtxq_to_txq(mtxq);
enum mt76_txq_id qid = mt76_txq_get_qid(txq);
- struct mt76_wcid *wcid = mtxq->wcid;
struct ieee80211_tx_info *info;
struct sk_buff *skb;
int n_frames = 1;
@@ -527,8 +526,8 @@ mt76_txq_schedule_list(struct mt76_phy *phy, enum mt76_txq_id qid)
break;
mtxq = (struct mt76_txq *)txq->drv_priv;
- wcid = mtxq->wcid;
- if (wcid && test_bit(MT_WCID_FLAG_PS, &wcid->flags))
+ wcid = rcu_dereference(dev->wcid[mtxq->wcid]);
+ if (!wcid || test_bit(MT_WCID_FLAG_PS, &wcid->flags))
continue;
if (mtxq->send_bar && mtxq->aggr) {
@@ -543,7 +542,7 @@ mt76_txq_schedule_list(struct mt76_phy *phy, enum mt76_txq_id qid)
}
if (!mt76_txq_stopped(q))
- n_frames = mt76_txq_send_burst(phy, q, mtxq);
+ n_frames = mt76_txq_send_burst(phy, q, mtxq, wcid);
ieee80211_return_txq(phy->hw, txq, false);
--
2.35.1
The hardware receives them properly, they should not be dropped
Signed-off-by: Felix Fietkau <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 233998ca4857..f34070ca7bbe 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -696,7 +696,7 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
status->nss =
FIELD_GET(MT_PRXV_NSTS, v0) + 1;
status->encoding = RX_ENC_VHT;
- if (i > 9)
+ if (i > 11)
return -EINVAL;
break;
case MT_PHY_TYPE_HE_MU:
--
2.35.1
Clean up and fix error paths in mt7915_register_device
Initialize second DBDC tx queue in mt7915_dma_init
Signed-off-by: Felix Fietkau <[email protected]>
---
.../net/wireless/mediatek/mt76/mt7915/dma.c | 14 ++-
.../net/wireless/mediatek/mt76/mt7915/init.c | 104 +++++++++++-------
.../wireless/mediatek/mt76/mt7915/mt7915.h | 3 +-
3 files changed, 78 insertions(+), 43 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
index 49b4d8ade16b..66a312a9c008 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
@@ -5,7 +5,8 @@
#include "../dma.h"
#include "mac.h"
-int mt7915_init_tx_queues(struct mt7915_phy *phy, int idx, int n_desc, int ring_base)
+static int
+mt7915_init_tx_queues(struct mt7915_phy *phy, int idx, int n_desc, int ring_base)
{
int i, err;
@@ -323,7 +324,7 @@ static int mt7915_dma_enable(struct mt7915_dev *dev)
return 0;
}
-int mt7915_dma_init(struct mt7915_dev *dev)
+int mt7915_dma_init(struct mt7915_dev *dev, struct mt7915_phy *phy2)
{
struct mt76_dev *mdev = &dev->mt76;
u32 hif1_ofs = 0;
@@ -346,6 +347,15 @@ int mt7915_dma_init(struct mt7915_dev *dev)
if (ret)
return ret;
+ if (phy2) {
+ ret = mt7915_init_tx_queues(phy2,
+ MT_TXQ_ID(phy2->band_idx),
+ MT7915_TX_RING_SIZE,
+ MT_TXQ_RING_BASE(1));
+ if (ret)
+ return ret;
+ }
+
/* command to WM */
ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM,
MT_MCUQ_ID(MT_MCUQ_WM),
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index 6d29366c5139..9686a835d5cb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -484,21 +484,18 @@ static int mt7915_txbf_init(struct mt7915_dev *dev)
return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE);
}
-static int mt7915_register_ext_phy(struct mt7915_dev *dev)
+static struct mt7915_phy *
+mt7915_alloc_ext_phy(struct mt7915_dev *dev)
{
- struct mt7915_phy *phy = mt7915_ext_phy(dev);
+ struct mt7915_phy *phy;
struct mt76_phy *mphy;
- int ret;
if (!dev->dbdc_support)
- return 0;
-
- if (phy)
- return 0;
+ return NULL;
mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops);
if (!mphy)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
phy = mphy->priv;
phy->dev = dev;
@@ -507,6 +504,15 @@ static int mt7915_register_ext_phy(struct mt7915_dev *dev)
/* Bind main phy to band0 and ext_phy to band1 for dbdc case */
phy->band_idx = 1;
+ return phy;
+}
+
+static int
+mt7915_register_ext_phy(struct mt7915_dev *dev, struct mt7915_phy *phy)
+{
+ struct mt76_phy *mphy = phy->mt76;
+ int ret;
+
INIT_DELAYED_WORK(&mphy->mac_work, mt7915_mac_work);
mt7915_eeprom_parse_hw_cap(dev, phy);
@@ -526,29 +532,22 @@ static int mt7915_register_ext_phy(struct mt7915_dev *dev)
/* init wiphy according to mphy and phy */
mt7915_init_wiphy(mphy->hw);
- ret = mt7915_init_tx_queues(phy, MT_TXQ_ID(phy->band_idx),
- MT7915_TX_RING_SIZE,
- MT_TXQ_RING_BASE(1));
- if (ret)
- goto error;
ret = mt76_register_phy(mphy, true, mt76_rates,
ARRAY_SIZE(mt76_rates));
if (ret)
- goto error;
+ return ret;
ret = mt7915_thermal_init(phy);
if (ret)
- goto error;
+ goto unreg;
- ret = mt7915_init_debugfs(phy);
- if (ret)
- goto error;
+ mt7915_init_debugfs(phy);
return 0;
-error:
- ieee80211_free_hw(mphy->hw);
+unreg:
+ mt76_unregister_phy(mphy);
return ret;
}
@@ -645,7 +644,8 @@ static bool mt7915_band_config(struct mt7915_dev *dev)
return ret;
}
-static int mt7915_init_hardware(struct mt7915_dev *dev)
+static int
+mt7915_init_hardware(struct mt7915_dev *dev, struct mt7915_phy *phy2)
{
int ret, idx;
@@ -653,14 +653,12 @@ static int mt7915_init_hardware(struct mt7915_dev *dev)
INIT_WORK(&dev->init_work, mt7915_init_work);
- dev->dbdc_support = mt7915_band_config(dev);
-
/* If MCU was already running, it is likely in a bad state */
if (mt76_get_field(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE) >
FW_STATE_FW_DOWNLOAD)
mt7915_wfsys_reset(dev);
- ret = mt7915_dma_init(dev);
+ ret = mt7915_dma_init(dev, phy2);
if (ret)
return ret;
@@ -1048,9 +1046,22 @@ static void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
ieee80211_free_hw(mphy->hw);
}
+static void mt7915_stop_hardware(struct mt7915_dev *dev)
+{
+ mt7915_mcu_exit(dev);
+ mt7915_tx_token_put(dev);
+ mt7915_dma_cleanup(dev);
+ tasklet_disable(&dev->irq_tasklet);
+
+ if (is_mt7986(&dev->mt76))
+ mt7986_wmac_disable(dev);
+}
+
+
int mt7915_register_device(struct mt7915_dev *dev)
{
struct ieee80211_hw *hw = mt76_hw(dev);
+ struct mt7915_phy *phy2;
int ret;
dev->phy.dev = dev;
@@ -1066,9 +1077,15 @@ int mt7915_register_device(struct mt7915_dev *dev)
init_waitqueue_head(&dev->reset_wait);
INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
- ret = mt7915_init_hardware(dev);
+ dev->dbdc_support = mt7915_band_config(dev);
+
+ phy2 = mt7915_alloc_ext_phy(dev);
+ if (IS_ERR(phy2))
+ return PTR_ERR(phy2);
+
+ ret = mt7915_init_hardware(dev, phy2);
if (ret)
- return ret;
+ goto free_phy2;
mt7915_init_wiphy(hw);
@@ -1085,19 +1102,34 @@ int mt7915_register_device(struct mt7915_dev *dev)
ret = mt76_register_device(&dev->mt76, true, mt76_rates,
ARRAY_SIZE(mt76_rates));
if (ret)
- return ret;
+ goto stop_hw;
ret = mt7915_thermal_init(&dev->phy);
if (ret)
- return ret;
+ goto unreg_dev;
ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
- ret = mt7915_register_ext_phy(dev);
- if (ret)
- return ret;
+ if (phy2) {
+ ret = mt7915_register_ext_phy(dev, phy2);
+ if (ret)
+ goto unreg_thermal;
+ }
- return mt7915_init_debugfs(&dev->phy);
+ mt7915_init_debugfs(&dev->phy);
+
+ return 0;
+
+unreg_thermal:
+ mt7915_unregister_thermal(&dev->phy);
+unreg_dev:
+ mt76_unregister_device(&dev->mt76);
+stop_hw:
+ mt7915_stop_hardware(dev);
+free_phy2:
+ if (phy2)
+ ieee80211_free_hw(phy2->mt76->hw);
+ return ret;
}
void mt7915_unregister_device(struct mt7915_dev *dev)
@@ -1105,13 +1137,7 @@ void mt7915_unregister_device(struct mt7915_dev *dev)
mt7915_unregister_ext_phy(dev);
mt7915_unregister_thermal(&dev->phy);
mt76_unregister_device(&dev->mt76);
- mt7915_mcu_exit(dev);
- mt7915_tx_token_put(dev);
- mt7915_dma_cleanup(dev);
- tasklet_disable(&dev->irq_tasklet);
-
- if (is_mt7986(&dev->mt76))
- mt7986_wmac_disable(dev);
+ mt7915_stop_hardware(dev);
mt76_free_device(&dev->mt76);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index 6efa0a2e2345..fd05e07bf9b5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -440,7 +440,7 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
struct ieee80211_channel *chan,
u8 chain_idx);
s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band);
-int mt7915_dma_init(struct mt7915_dev *dev);
+int mt7915_dma_init(struct mt7915_dev *dev, struct mt7915_phy *phy2);
void mt7915_dma_prefetch(struct mt7915_dev *dev);
void mt7915_dma_cleanup(struct mt7915_dev *dev);
int mt7915_mcu_init(struct mt7915_dev *dev);
@@ -572,7 +572,6 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
struct mt76_tx_info *tx_info);
void mt7915_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
void mt7915_tx_token_put(struct mt7915_dev *dev);
-int mt7915_init_tx_queues(struct mt7915_phy *phy, int idx, int n_desc, int ring_base);
void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
struct sk_buff *skb);
bool mt7915_rx_check(struct mt76_dev *mdev, void *data, int len);
--
2.35.1