diff options
| author | Stanislaw Gruszka | 2018-09-04 16:41:15 +0200 |
|---|---|---|
| committer | Felix Fietkau | 2018-09-19 12:29:25 +0200 |
| commit | 0b7da311274664decc52afcbe6354d0350b3ef57 (patch) | |
| tree | 631ff6abc9e544c19947e0ed9dd977103fc3342e /drivers/net/wireless/mediatek/mt76/mt76x02_mac.c | |
| parent | mt76: unify {insert/remove}_hdr_pad (diff) | |
| download | kernel-qcow2-linux-0b7da311274664decc52afcbe6354d0350b3ef57.tar.gz kernel-qcow2-linux-0b7da311274664decc52afcbe6354d0350b3ef57.tar.xz kernel-qcow2-linux-0b7da311274664decc52afcbe6354d0350b3ef57.zip | |
mt76: partially unify filling txwi fields
Merge code filing txwi fields the same way on mt76x0 and mt76x2.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_mac.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_mac.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c index f80290d4442a..0b12299c7a41 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c @@ -156,6 +156,48 @@ void mt76x02_txq_init(struct mt76_dev *dev, struct ieee80211_txq *txq) } EXPORT_SYMBOL_GPL(mt76x02_txq_init); +void mt76x02_mac_fill_txwi(struct mt76x02_txwi *txwi, struct sk_buff *skb, + struct ieee80211_sta *sta, int len, u8 nss) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + u16 txwi_flags = 0; + + if (info->flags & IEEE80211_TX_CTL_LDPC) + txwi->rate |= cpu_to_le16(MT_RXWI_RATE_LDPC); + if ((info->flags & IEEE80211_TX_CTL_STBC) && nss == 1) + 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; + if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) + txwi->ack_ctl |= MT_TXWI_ACK_CTL_REQ; + if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) + txwi->ack_ctl |= MT_TXWI_ACK_CTL_NSEQ; + if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) + txwi->pktid |= MT_TXWI_PKTID_PROBE; + if ((info->flags & IEEE80211_TX_CTL_AMPDU) && sta) { + u8 ba_size = IEEE80211_MIN_AMPDU_BUF; + + ba_size <<= sta->ht_cap.ampdu_factor; + ba_size = min_t(int, 63, ba_size - 1); + if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) + ba_size = 0; + txwi->ack_ctl |= FIELD_PREP(MT_TXWI_ACK_CTL_BA_WINDOW, ba_size); + + txwi_flags |= MT_TXWI_FLAGS_AMPDU | + FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY, + sta->ht_cap.ampdu_density); + } + + if (ieee80211_is_probe_resp(hdr->frame_control) || + ieee80211_is_beacon(hdr->frame_control)) + txwi_flags |= MT_TXWI_FLAGS_TS; + + txwi->flags |= cpu_to_le16(txwi_flags); + txwi->len_ctl = cpu_to_le16(len); +} +EXPORT_SYMBOL_GPL(mt76x02_mac_fill_txwi); + __le16 mt76x02_mac_tx_rate_val(struct mt76_dev *dev, const struct ieee80211_tx_rate *rate, u8 *nss_val) |