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wifi: mac80211: Accept management frames on NAN interface

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Accept Public Action frames and Authentication frames on
NAN Device interface to support flows that require these frames:

- SDFs: For user space Discovery Engine (DE) implementation.
- NAFs: For user space NAN Data Path (NDP) establishment.
- Authentication frames: For NAN Pairing and Verification.

Accept only frames from devices that are part of the NAN
cluster.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250908140015.46528d69e881.Ifccd87fb2a49a3af05238f74f52fa6da8de28811@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer
2025-09-08 14:13:03 +03:00
committed by Johannes Berg
parent fc41f4a28a
commit 488d2e0bba
1 changed files with 10 additions and 2 deletions
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net/mac80211/rx.c
+10 -2
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@@ -4502,8 +4502,16 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
(ieee80211_is_auth(hdr->frame_control) &&
ether_addr_equal(sdata->vif.addr, hdr->addr1));
case NL80211_IFTYPE_NAN:
/* Currently no frames on NAN interface are allowed */
return false;
/* Accept only frames that are addressed to the NAN cluster
* (based on the Cluster ID). From these frames, accept only
* action frames or authentication frames that are addressed to
* the local NAN interface.
*/
return memcmp(sdata->wdev.u.nan.cluster_id,
hdr->addr3, ETH_ALEN) == 0 &&
(ieee80211_is_public_action(hdr, skb->len) ||
(ieee80211_is_auth(hdr->frame_control) &&
ether_addr_equal(sdata->vif.addr, hdr->addr1)));
default:
break;
}