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wifi: mac80211: VLAN traffic in multicast path

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[ Upstream commit 1a4a6a22552ca9d723f28a1fe35eab1b9b3d8b33 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Muna Sinada
2025-03-25 14:31:25 -07:00
committed by Greg Kroah-Hartman
parent 4fc2b3c065
commit 172d1e4a68
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
net/mac80211/tx.c
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@@ -4507,8 +4507,10 @@ 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: