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mt76: unify txwi and rxwi structures

Browse source 
txwi and rxwi are the same for mt76x0 and mt76x2.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Stanislaw Gruszka 2018-09-04 16:41:08 +02:00 • committed by Felix Fietkau
commit 5944cd0286
15 changed files with 94 additions and 164 deletions
Download patch file Download diff file Expand all files Collapse all files

12
drivers/net/wireless/mediatek/mt76/mt76x0/dma.c
View file

@ -34,7 +34,7 @@ static unsigned int ieee80211_get_hdrlen_from_buf(const u8 *data, unsigned len)
}
static struct sk_buff *
mt76x0_rx_skb_from_seg(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi,
mt76x0_rx_skb_from_seg(struct mt76x0_dev *dev, struct mt76x02_rxwi *rxwi,
void *data, u32 seg_len, u32 truesize, struct page *p)
{
struct sk_buff *skb;
@ -86,7 +86,7 @@ static void mt76x0_rx_process_seg(struct mt76x0_dev *dev, u8 *data,
u32 seg_len, struct page *p)
{
struct sk_buff *skb;
struct mt76x0_rxwi *rxwi;
struct mt76x02_rxwi *rxwi;
u32 fce_info, truesize = seg_len;
/* DMA_INFO field at the beginning of the segment contains only some of
@ -98,9 +98,9 @@ static void mt76x0_rx_process_seg(struct mt76x0_dev *dev, u8 *data,
data += MT_DMA_HDR_LEN;
seg_len -= MT_DMA_HDR_LEN;
rxwi = (struct mt76x0_rxwi *) data;
data += sizeof(struct mt76x0_rxwi);
seg_len -= sizeof(struct mt76x0_rxwi);
rxwi = (struct mt76x02_rxwi *) data;
data += sizeof(struct mt76x02_rxwi);
seg_len -= sizeof(struct mt76x02_rxwi);
if (unlikely(FIELD_GET(MT_RXD_INFO_TYPE, fce_info)))
dev_err_once(dev->mt76.dev, "Error: RX path seen a non-pkt urb\n");
@ -119,7 +119,7 @@ static void mt76x0_rx_process_seg(struct mt76x0_dev *dev, u8 *data,
static u16 mt76x0_rx_next_seg_len(u8 *data, u32 data_len)
{
u32 min_seg_len = MT_DMA_HDR_LEN + MT_RX_INFO_LEN +
sizeof(struct mt76x0_rxwi) + MT_FCE_INFO_LEN;
sizeof(struct mt76x02_rxwi) + MT_FCE_INFO_LEN;
u16 dma_len = get_unaligned_le16(data);
if (data_len < min_seg_len ||

4
drivers/net/wireless/mediatek/mt76/mt76x0/mac.c
View file

@ -431,7 +431,7 @@ mt76_mac_process_rate(struct ieee80211_rx_status *status, u16 rate)
}
static void
mt76x0_rx_monitor_beacon(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi,
mt76x0_rx_monitor_beacon(struct mt76x0_dev *dev, struct mt76x02_rxwi *rxwi,
u16 rate, int rssi)
{
dev->bcn_phy_mode = FIELD_GET(MT_RXWI_RATE_PHY, rate);
@ -451,7 +451,7 @@ u32 mt76x0_mac_process_rx(struct mt76x0_dev *dev, struct sk_buff *skb,
u8 *data, void *rxi)
{
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct mt76x0_rxwi *rxwi = rxi;
struct mt76x02_rxwi *rxwi = rxi;
u32 len, ctl = le32_to_cpu(rxwi->ctl);
u16 rate = le16_to_cpu(rxwi->rate);
int rssi;

67
drivers/net/wireless/mediatek/mt76/mt76x0/mac.h
View file

@ -15,73 +15,6 @@
#ifndef __MT76_MAC_H
#define __MT76_MAC_H
/* Note: values in original "RSSI" and "SNR" fields are not actually what they
* are called for MT76X0U, names used by this driver are educated guesses
* (see vendor mac/ral_omac.c).
*/
struct mt76x0_rxwi {
__le32 rxinfo;
__le32 ctl;
__le16 tid_sn;
__le16 rate;
s8 rssi[4];
__le32 bbp_rxinfo[4];
} __packed __aligned(4);
enum mt76_phy_bandwidth {
MT_PHY_BW_20,
MT_PHY_BW_40,
MT_PHY_BW_80,
};
struct mt76_txwi {
__le16 flags;
__le16 rate_ctl;
u8 ack_ctl;
u8 wcid;
__le16 len_ctl;
__le32 iv;
__le32 eiv;
u8 aid;
u8 txstream;
u8 ctl2;
u8 pktid;
} __packed __aligned(4);
#define MT_TXWI_FLAGS_FRAG BIT(0)
#define MT_TXWI_FLAGS_MMPS BIT(1)
#define MT_TXWI_FLAGS_CFACK BIT(2)
#define MT_TXWI_FLAGS_TS BIT(3)
#define MT_TXWI_FLAGS_AMPDU BIT(4)
#define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5)
#define MT_TXWI_FLAGS_TXOP GENMASK(9, 8)
#define MT_TXWI_FLAGS_CWMIN GENMASK(12, 10)
#define MT_TXWI_FLAGS_NO_RATE_FALLBACK BIT(13)
#define MT_TXWI_FLAGS_TX_RPT BIT(14)
#define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15)
#define MT_TXWI_RATE_MCS GENMASK(6, 0)
#define MT_TXWI_RATE_BW BIT(7)
#define MT_TXWI_RATE_SGI BIT(8)
#define MT_TXWI_RATE_STBC GENMASK(10, 9)
#define MT_TXWI_RATE_PHY_MODE GENMASK(15, 14)
#define MT_TXWI_ACK_CTL_REQ BIT(0)
#define MT_TXWI_ACK_CTL_NSEQ BIT(1)
#define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2)
#define MT_TXWI_LEN_BYTE_CNT GENMASK(11, 0)
#define MT_TXWI_CTL_TX_POWER_ADJ GENMASK(3, 0)
#define MT_TXWI_CTL_CHAN_CHECK_PKT BIT(4)
#define MT_TXWI_CTL_PIFS_REV BIT(6)
#define MT_TXWI_PKTID_PROBE BIT(7)
u32 mt76x0_mac_process_rx(struct mt76x0_dev *dev, struct sk_buff *skb,
u8 *data, void *rxi);
struct mt76x02_tx_status

4
drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
View file

@ -187,8 +187,6 @@ struct mt76x0_wcid {
u8 tx_rate_nss;
};
struct mt76x0_rxwi;
extern const struct ieee80211_ops mt76x0_ops;
static inline bool is_mt7610e(struct mt76x0_dev *dev)
@ -229,7 +227,7 @@ void mt76x0_agc_restore(struct mt76x0_dev *dev);
int mt76x0_phy_set_channel(struct mt76x0_dev *dev,
struct cfg80211_chan_def *chandef);
void mt76x0_phy_recalibrate_after_assoc(struct mt76x0_dev *dev);
int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi);
int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x02_rxwi *rxwi);
void mt76x0_phy_con_cal_onoff(struct mt76x0_dev *dev,
struct ieee80211_bss_conf *info);

2
drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
View file

@ -225,7 +225,7 @@ mt76x0_bbp_set_ctrlch(struct mt76x0_dev *dev, enum nl80211_chan_width width,
mt76_rmw_field(dev, MT_BBP(TXBE, 0), MT_BBP_TXBE_R0_CTRL_CHAN, ctrl);
}
int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi)
int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x02_rxwi *rxwi)
{
s8 lna_gain, rssi_offset;
int val;

12
drivers/net/wireless/mediatek/mt76/mt76x0/trace.h
View file

@ -178,11 +178,11 @@ DECLARE_EVENT_CLASS(dev_simple_evt,
);
TRACE_EVENT(mt76x0_rx,
TP_PROTO(struct mt76_dev *dev, struct mt76x0_rxwi *rxwi, u32 f),
TP_PROTO(struct mt76_dev *dev, struct mt76x02_rxwi *rxwi, u32 f),
TP_ARGS(dev, rxwi, f),
TP_STRUCT__entry(
DEV_ENTRY
__field_struct(struct mt76x0_rxwi, rxwi)
__field_struct(struct mt76x02_rxwi, rxwi)
__field(u32, fce_info)
),
TP_fast_assign(
@ -197,11 +197,11 @@ TRACE_EVENT(mt76x0_rx,
TRACE_EVENT(mt76x0_tx,
TP_PROTO(struct mt76_dev *dev, struct sk_buff *skb,
struct mt76x02_sta *sta, struct mt76_txwi *h),
struct mt76x02_sta *sta, struct mt76x02_txwi *h),
TP_ARGS(dev, skb, sta, h),
TP_STRUCT__entry(
DEV_ENTRY
__field_struct(struct mt76_txwi, h)
__field_struct(struct mt76x02_txwi, h)
__field(struct sk_buff *, skb)
__field(struct mt76x02_sta *, sta)
),
@ -211,11 +211,11 @@ TRACE_EVENT(mt76x0_tx,
__entry->skb = skb;
__entry->sta = sta;
),
TP_printk(DEV_PR_FMT "skb:%p sta:%p flg:%04hx rate_ctl:%04hx "
TP_printk(DEV_PR_FMT "skb:%p sta:%p flg:%04hx rate:%04hx "
"ack:%02hhx wcid:%02hhx len_ctl:%05hx", DEV_PR_ARG,
__entry->skb, __entry->sta,
le16_to_cpu(__entry->h.flags),
le16_to_cpu(__entry->h.rate_ctl),
le16_to_cpu(__entry->h.rate),
__entry->h.ack_ctl, __entry->h.wcid,
le16_to_cpu(__entry->h.len_ctl))
);

18
drivers/net/wireless/mediatek/mt76/mt76x0/tx.c
View file

@ -33,7 +33,7 @@ static void mt76x0_tx_skb_remove_dma_overhead(struct sk_buff *skb,
{
int pkt_len = (unsigned long)info->status.status_driver_data[0];
skb_pull(skb, sizeof(struct mt76_txwi) + 4);
skb_pull(skb, sizeof(struct mt76x02_txwi) + 4);
if (ieee80211_get_hdrlen_from_skb(skb) % 4)
mt76x0_remove_hdr_pad(skb);
@ -60,28 +60,28 @@ static int mt76x0_skb_rooms(struct mt76x0_dev *dev, struct sk_buff *skb)
int hdr_len = ieee80211_get_hdrlen_from_skb(skb);
u32 need_head;
need_head = sizeof(struct mt76_txwi) + 4;
need_head = sizeof(struct mt76x02_txwi) + 4;
if (hdr_len % 4)
need_head += 2;
return skb_cow(skb, need_head);
}
static struct mt76_txwi *
static struct mt76x02_txwi *
mt76x0_push_txwi(struct mt76x0_dev *dev, struct sk_buff *skb,
struct ieee80211_sta *sta, struct mt76_wcid *wcid,
int pkt_len)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_rate *rate = &info->control.rates[0];
struct mt76_txwi *txwi;
struct mt76x02_txwi *txwi;
unsigned long flags;
u16 txwi_flags = 0;
u32 pkt_id;
u16 rate_ctl;
u8 nss;
txwi = (struct mt76_txwi *)skb_push(skb, sizeof(struct mt76_txwi));
txwi = (struct mt76x02_txwi *)skb_push(skb, sizeof(struct mt76x02_txwi));
memset(txwi, 0, sizeof(*txwi));
if (!wcid->tx_rate_set)
@ -97,12 +97,12 @@ mt76x0_push_txwi(struct mt76x0_dev *dev, struct sk_buff *skb,
}
spin_unlock_irqrestore(&dev->mt76.lock, flags);
txwi->rate_ctl = cpu_to_le16(rate_ctl);
txwi->rate = cpu_to_le16(rate_ctl);
if (info->flags & IEEE80211_TX_CTL_LDPC)
txwi->rate_ctl |= cpu_to_le16(MT_RXWI_RATE_LDPC);
txwi->rate |= cpu_to_le16(MT_RXWI_RATE_LDPC);
if ((info->flags & IEEE80211_TX_CTL_STBC) && nss == 1)
txwi->rate_ctl |= cpu_to_le16(MT_RXWI_RATE_STBC);
txwi->rate |= cpu_to_le16(MT_RXWI_RATE_STBC);
if (nss > 1 && sta && sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
txwi_flags |= MT_TXWI_FLAGS_MMPS;
@ -151,7 +151,7 @@ void mt76x0_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
struct ieee80211_sta *sta = control->sta;
struct mt76x02_sta *msta = NULL;
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
struct mt76_txwi *txwi;
struct mt76x02_txwi *txwi;
int pkt_len = skb->len;
int hw_q = skb2q(skb);

54
drivers/net/wireless/mediatek/mt76/mt76x02_mac.h
View file

@ -104,6 +104,60 @@ struct mt76x02_sta {
#define MT_RATE_INDEX_VHT_IDX GENMASK(3, 0)
#define MT_RATE_INDEX_VHT_NSS GENMASK(5, 4)
struct mt76x02_rxwi {
__le32 rxinfo;
__le32 ctl;
__le16 tid_sn;
__le16 rate;
u8 rssi[4];
__le32 bbp_rxinfo[4];
};
#define MT_TX_PWR_ADJ GENMASK(3, 0)
enum mt76x2_phy_bandwidth {
MT_PHY_BW_20,
MT_PHY_BW_40,
MT_PHY_BW_80,
};
#define MT_TXWI_FLAGS_FRAG BIT(0)
#define MT_TXWI_FLAGS_MMPS BIT(1)
#define MT_TXWI_FLAGS_CFACK BIT(2)
#define MT_TXWI_FLAGS_TS BIT(3)
#define MT_TXWI_FLAGS_AMPDU BIT(4)
#define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5)
#define MT_TXWI_FLAGS_TXOP GENMASK(9, 8)
#define MT_TXWI_FLAGS_NDPS BIT(10)
#define MT_TXWI_FLAGS_RTSBWSIG BIT(11)
#define MT_TXWI_FLAGS_NDP_BW GENMASK(13, 12)
#define MT_TXWI_FLAGS_SOUND BIT(14)
#define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15)
#define MT_TXWI_ACK_CTL_REQ BIT(0)
#define MT_TXWI_ACK_CTL_NSEQ BIT(1)
#define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2)
#define MT_TXWI_PKTID_PROBE BIT(7)
struct mt76x02_txwi {
__le16 flags;
__le16 rate;
u8 ack_ctl;
u8 wcid;
__le16 len_ctl;
__le32 iv;
__le32 eiv;
u8 aid;
u8 txstream;
u8 ctl2;
u8 pktid;
} __packed __aligned(4);
static inline bool mt76x02_wait_for_mac(struct mt76_dev *dev)
{
const u32 MAC_CSR0 = 0x1000;

2
drivers/net/wireless/mediatek/mt76/mt76x2_common.c
View file

@ -30,7 +30,7 @@ void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
return;
}
skb_pull(skb, sizeof(struct mt76x2_rxwi));
skb_pull(skb, sizeof(struct mt76x02_rxwi));
if (mt76x2_mac_process_rx(dev, skb, rxwi)) {
dev_kfree_skb(skb);
return;

6
drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
View file

@ -107,8 +107,8 @@ int mt76x2_dma_init(struct mt76x2_dev *dev)
struct mt76_txwi_cache __maybe_unused *t;
struct mt76_queue *q;
BUILD_BUG_ON(sizeof(t->txwi) < sizeof(struct mt76x2_txwi));
BUILD_BUG_ON(sizeof(struct mt76x2_rxwi) > MT_RX_HEADROOM);
BUILD_BUG_ON(sizeof(t->txwi) < sizeof(struct mt76x02_txwi));
BUILD_BUG_ON(sizeof(struct mt76x02_rxwi) > MT_RX_HEADROOM);
mt76_dma_attach(&dev->mt76);
@ -142,7 +142,7 @@ int mt76x2_dma_init(struct mt76x2_dev *dev)
return ret;
q = &dev->mt76.q_rx[MT_RXQ_MAIN];
q->buf_offset = MT_RX_HEADROOM - sizeof(struct mt76x2_rxwi);
q->buf_offset = MT_RX_HEADROOM - sizeof(struct mt76x02_rxwi);
ret = mt76x2_init_rx_queue(dev, q, 0, MT76x2_RX_RING_SIZE, MT_RX_BUF_SIZE);
if (ret)
return ret;

2
drivers/net/wireless/mediatek/mt76/mt76x2_init.c
View file

@ -417,7 +417,7 @@ void mt76x2_cleanup(struct mt76x2_dev *dev)
struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev)
{
static const struct mt76_driver_ops drv_ops = {
.txwi_size = sizeof(struct mt76x2_txwi),
.txwi_size = sizeof(struct mt76x02_txwi),
.update_survey = mt76x2_update_channel,
.tx_prepare_skb = mt76x2_tx_prepare_skb,
.tx_complete_skb = mt76x2_tx_complete_skb,

6
drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
View file

@ -64,7 +64,7 @@ mt76x2_mac_queue_txdone(struct mt76x2_dev *dev, struct sk_buff *skb,
void *txwi_ptr)
{
struct mt76x2_tx_info *txi = mt76x2_skb_tx_info(skb);
struct mt76x2_txwi *txwi = txwi_ptr;
struct mt76x02_txwi *txwi = txwi_ptr;
mt76x2_mac_poll_tx_status(dev, false);
@ -100,9 +100,9 @@ static int
mt76_write_beacon(struct mt76x2_dev *dev, int offset, struct sk_buff *skb)
{
int beacon_len = dev->beacon_offsets[1] - dev->beacon_offsets[0];
struct mt76x2_txwi txwi;
struct mt76x02_txwi txwi;
if (WARN_ON_ONCE(beacon_len < skb->len + sizeof(struct mt76x2_txwi)))
if (WARN_ON_ONCE(beacon_len < skb->len + sizeof(struct mt76x02_txwi)))
return -ENOSPC;
mt76x2_mac_write_txwi(dev, &txwi, skb, NULL, NULL, skb->len);

57
drivers/net/wireless/mediatek/mt76/mt76x2_mac.h
View file

@ -23,7 +23,6 @@
struct mt76x2_dev;
struct mt76x2_sta;
struct mt76x02_vif;
struct mt76x2_txwi;
struct mt76x2_tx_info {
unsigned long jiffies;
@ -34,60 +33,6 @@ struct mt76x2_tx_info {
u8 retry;
};
struct mt76x2_rxwi {
__le32 rxinfo;
__le32 ctl;
__le16 tid_sn;
__le16 rate;
u8 rssi[4];
__le32 bbp_rxinfo[4];
};
#define MT_TX_PWR_ADJ GENMASK(3, 0)
enum mt76x2_phy_bandwidth {
MT_PHY_BW_20,
MT_PHY_BW_40,
MT_PHY_BW_80,
};
#define MT_TXWI_FLAGS_FRAG BIT(0)
#define MT_TXWI_FLAGS_MMPS BIT(1)
#define MT_TXWI_FLAGS_CFACK BIT(2)
#define MT_TXWI_FLAGS_TS BIT(3)
#define MT_TXWI_FLAGS_AMPDU BIT(4)
#define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5)
#define MT_TXWI_FLAGS_TXOP GENMASK(9, 8)
#define MT_TXWI_FLAGS_NDPS BIT(10)
#define MT_TXWI_FLAGS_RTSBWSIG BIT(11)
#define MT_TXWI_FLAGS_NDP_BW GENMASK(13, 12)
#define MT_TXWI_FLAGS_SOUND BIT(14)
#define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15)
#define MT_TXWI_ACK_CTL_REQ BIT(0)
#define MT_TXWI_ACK_CTL_NSEQ BIT(1)
#define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2)
#define MT_TXWI_PKTID_PROBE BIT(7)
struct mt76x2_txwi {
__le16 flags;
__le16 rate;
u8 ack_ctl;
u8 wcid;
__le16 len_ctl;
__le32 iv;
__le32 eiv;
u8 aid;
u8 txstream;
u8 ctl2;
u8 pktid;
} __packed __aligned(4);
static inline struct mt76x2_tx_info *
mt76x2_skb_tx_info(struct sk_buff *skb)
{
@ -103,7 +48,7 @@ void mt76x2_mac_set_bssid(struct mt76x2_dev *dev, u8 idx, const u8 *addr);
int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb,
void *rxi);
void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x02_txwi *txwi,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_sta *sta, int len);

4
drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c
View file

@ -229,7 +229,7 @@ out:
}
EXPORT_SYMBOL_GPL(mt76x2_send_tx_status);
void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x02_txwi *txwi,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_sta *sta, int len)
{
@ -443,7 +443,7 @@ int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb,
void *rxi)
{
struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb;
struct mt76x2_rxwi *rxwi = rxi;
struct mt76x02_rxwi *rxwi = rxi;
struct mt76x02_sta *sta;
u32 rxinfo = le32_to_cpu(rxwi->rxinfo);
u32 ctl = le32_to_cpu(rxwi->ctl);

8
drivers/net/wireless/mediatek/mt76/mt76x2u_core.c
View file

@ -21,7 +21,7 @@ static void mt76x2u_remove_dma_hdr(struct sk_buff *skb)
{
int hdr_len;
skb_pull(skb, sizeof(struct mt76x2_txwi) + MT_DMA_HDR_LEN);
skb_pull(skb, sizeof(struct mt76x02_txwi) + MT_DMA_HDR_LEN);
hdr_len = ieee80211_get_hdrlen_from_skb(skb);
if (hdr_len % 4) {
memmove(skb->data + 2, skb->data, hdr_len);
@ -35,7 +35,7 @@ mt76x2u_check_skb_rooms(struct sk_buff *skb)
int hdr_len = ieee80211_get_hdrlen_from_skb(skb);
u32 need_head;
need_head = sizeof(struct mt76x2_txwi) + MT_DMA_HDR_LEN;
need_head = sizeof(struct mt76x02_txwi) + MT_DMA_HDR_LEN;
if (hdr_len % 4)
need_head += 2;
return skb_cow(skb, need_head);
@ -82,7 +82,7 @@ int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data,
u32 *tx_info)
{
struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
struct mt76x2_txwi *txwi;
struct mt76x02_txwi *txwi;
int err, len = skb->len;
err = mt76x2u_check_skb_rooms(skb);
@ -91,7 +91,7 @@ int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data,
mt76x2_insert_hdr_pad(skb);
txwi = skb_push(skb, sizeof(struct mt76x2_txwi));
txwi = skb_push(skb, sizeof(struct mt76x02_txwi));
mt76x2_mac_write_txwi(dev, txwi, skb, wcid, sta, len);
return mt76x2u_set_txinfo(skb, wcid, q2ep(q->hw_idx));