diff options
| author | Benjamin Lin <benjamin-jw.lin@mediatek.com> | 2024-08-16 17:46:34 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2024-09-06 11:14:31 +0200 |
| commit | 5353679ab4ada1112ff96e81c08650dd01699050 (patch) | |
| tree | 97f72032ec22258ea44a42f7fc0d5e585329b42d | |
| parent | ded1a6d9e13a32d4e8bef0c63accf49b9415ff5f (diff) | |
wifi: mt76: connac: add IEEE 802.11 fragmentation support for mt7996
Add fragment index into TXD.DW2 to support IEEE 802.11 fragmentation.
Signed-off-by: Benjamin Lin <benjamin-jw.lin@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Link: https://patch.msgid.link/20240816094635.2391-10-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 13 |
2 files changed, 18 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h index 353e66069840..3fc94bd7271f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h @@ -197,6 +197,13 @@ enum tx_mgnt_type { MT_TX_ADDBA, }; +enum tx_frag_idx { + MT_TX_FRAG_NONE, + MT_TX_FRAG_FIRST, + MT_TX_FRAG_MID, + MT_TX_FRAG_LAST +}; + #define MT_CT_INFO_APPLY_TXD BIT(0) #define MT_CT_INFO_COPY_HOST_TXD_ALL BIT(1) #define MT_CT_INFO_MGMT_FRAME BIT(2) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index bc7111a71f98..60446dc2a3b3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -746,7 +746,7 @@ mt7996_mac_write_txwi_80211(struct mt7996_dev *dev, __le32 *txwi, struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); bool multicast = is_multicast_ether_addr(hdr->addr1); u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; - __le16 fc = hdr->frame_control; + __le16 fc = hdr->frame_control, sc = hdr->seq_ctrl; u8 fc_type, fc_stype; u32 val; @@ -780,6 +780,15 @@ mt7996_mac_write_txwi_80211(struct mt7996_dev *dev, __le32 *txwi, val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) | FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype); + if (ieee80211_has_morefrags(fc) && ieee80211_is_first_frag(sc)) + val |= FIELD_PREP(MT_TXD2_FRAG, MT_TX_FRAG_FIRST); + else if (ieee80211_has_morefrags(fc) && !ieee80211_is_first_frag(sc)) + val |= FIELD_PREP(MT_TXD2_FRAG, MT_TX_FRAG_MID); + else if (!ieee80211_has_morefrags(fc) && !ieee80211_is_first_frag(sc)) + val |= FIELD_PREP(MT_TXD2_FRAG, MT_TX_FRAG_LAST); + else + val |= FIELD_PREP(MT_TXD2_FRAG, MT_TX_FRAG_NONE); + txwi[2] |= cpu_to_le32(val); txwi[3] |= cpu_to_le32(FIELD_PREP(MT_TXD3_BCM, multicast)); @@ -789,7 +798,7 @@ mt7996_mac_write_txwi_80211(struct mt7996_dev *dev, __le32 *txwi, } if (info->flags & IEEE80211_TX_CTL_INJECTED) { - u16 seqno = le16_to_cpu(hdr->seq_ctrl); + u16 seqno = le16_to_cpu(sc); if (ieee80211_is_back_req(hdr->frame_control)) { struct ieee80211_bar *bar; |