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wifi: mt76: connac: add support for IEEE 802.11 fragmentation

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Add fragmentation index into TXD.DW2 to support IEEE 802.11 fragmentation.

Signed-off-by: Benjamin Lin <benjamin-jw.lin@mediatek.com>
Link: https://patch.msgid.link/20240827093011.18621-9-nbd@nbd.name
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Benjamin Lin 2024-08-27 11:29:56 +02:00 committed by Felix Fietkau
parent f3049b88b2
commit dfaf079a1a
2 changed files with 16 additions and 1 deletions
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7
drivers/net/wireless/mediatek/mt76/mt76_connac2_mac.h
View File

@ -355,4 +355,11 @@ enum tx_port_idx {
MT_TX_PORT_IDX_MCU
};
enum tx_frag_idx {
MT_TX_FRAG_NONE,
MT_TX_FRAG_FIRST,
MT_TX_FRAG_MID,
MT_TX_FRAG_LAST
};
#endif /* __MT76_CONNAC2_MAC_H */

10
drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
View File

@ -391,6 +391,7 @@ mt76_connac2_mac_write_txwi_80211(struct mt76_dev *dev, __le32 *txwi,
bool multicast = is_multicast_ether_addr(hdr->addr1);
u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
__le16 fc = hdr->frame_control;
__le16 sc = hdr->seq_ctrl;
u8 fc_type, fc_stype;
u32 val;
@ -432,6 +433,13 @@ mt76_connac2_mac_write_txwi_80211(struct mt76_dev *dev, __le32 *txwi,
info->flags & IEEE80211_TX_CTL_USE_MINRATE)
val |= MT_TXD2_FIX_RATE;
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);
txwi[2] |= cpu_to_le32(val);
if (ieee80211_is_beacon(fc)) {
@ -440,7 +448,7 @@ mt76_connac2_mac_write_txwi_80211(struct mt76_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;