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wifi: mac80211: VLAN traffic in multicast path

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Currently for MLO, sending out multicast frames on each link is handled by
mac80211 only when IEEE80211_HW_MLO_MCAST_MULTI_LINK_TX flag is not set.

Dynamic VLAN multicast traffic utilizes software encryption.
Due to this, mac80211 should handle transmitting multicast frames on
all links for multicast VLAN traffic.

Signed-off-by: Muna Sinada <muna.sinada@oss.qualcomm.com>
Link: https://patch.msgid.link/20250325213125.1509362-4-muna.sinada@oss.qualcomm.com
[remove unnecessary parentheses]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Muna Sinada 2025-03-25 14:31:25 -07:00 committed by Johannes Berg
parent 90233b0ad2
commit 1a4a6a2255
1 changed files with 4 additions and 2 deletions
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6
net/mac80211/tx.c
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@ -4508,8 +4508,10 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
IEEE80211_TX_CTRL_MLO_LINK_UNSPEC,
NULL);
} else if (ieee80211_vif_is_mld(&sdata->vif) &&
sdata->vif.type == NL80211_IFTYPE_AP &&
!ieee80211_hw_check(&sdata->local->hw, MLO_MCAST_MULTI_LINK_TX)) {
((sdata->vif.type == NL80211_IFTYPE_AP &&
!ieee80211_hw_check(&sdata->local->hw, MLO_MCAST_MULTI_LINK_TX)) ||
(sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
!sdata->wdev.use_4addr))) {
ieee80211_mlo_multicast_tx(dev, skb);
} else {
normal: