6.17-stable review patch. If anyone has any objections, please let me know.
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From: Shayne Chen shayne.chen@mediatek.com
[ Upstream commit a3ea1c309bf32fdb3665898c40b3ff8ca29ba6c4 ]
Update mt7996_reverse_frag0_hdr_trans routine to support MLO.
Co-developed-by: Bo Jiao Bo.Jiao@mediatek.com Signed-off-by: Bo Jiao Bo.Jiao@mediatek.com Signed-off-by: Shayne Chen shayne.chen@mediatek.com Co-developed-by: Lorenzo Bianconi lorenzo@kernel.org Signed-off-by: Lorenzo Bianconi lorenzo@kernel.org Link: https://patch.msgid.link/20250904-mt7996-mlo-more-fixes-v1-1-89d8fed67f20@ke... Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index 28477702c18b3..222e720a56cf5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -229,7 +229,9 @@ static int mt7996_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap) { struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; struct ethhdr *eth_hdr = (struct ethhdr *)(skb->data + hdr_gap); - struct mt7996_sta *msta = (struct mt7996_sta *)status->wcid; + struct mt7996_sta_link *msta_link = (void *)status->wcid; + struct mt7996_sta *msta = msta_link->sta; + struct ieee80211_bss_conf *link_conf; __le32 *rxd = (__le32 *)skb->data; struct ieee80211_sta *sta; struct ieee80211_vif *vif; @@ -246,8 +248,11 @@ static int mt7996_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap) if (!msta || !msta->vif) return -EINVAL;
- sta = container_of((void *)msta, struct ieee80211_sta, drv_priv); + sta = wcid_to_sta(status->wcid); vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv); + link_conf = rcu_dereference(vif->link_conf[msta_link->wcid.link_id]); + if (!link_conf) + return -EINVAL;
/* store the info from RXD and ethhdr to avoid being overridden */ frame_control = le32_get_bits(rxd[8], MT_RXD8_FRAME_CONTROL); @@ -260,7 +265,7 @@ static int mt7996_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap) switch (frame_control & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) { case 0: - ether_addr_copy(hdr.addr3, vif->bss_conf.bssid); + ether_addr_copy(hdr.addr3, link_conf->bssid); break; case IEEE80211_FCTL_FROMDS: ether_addr_copy(hdr.addr3, eth_hdr->h_source);