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[net80211] handle action frames in adhoc mode from the node that created the BSS.

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We don't have a separate bss node; instead we dup the first node we saw
and turn that into the BSS node.  This means that action frames from
that node would be rejected.

So, check that the node is the bss node /and/ the MAC doesn't match ni_macaddr.
That's the "right" way for now to verify it's an unknown node.

This fixes handling action frames in adhoc mode, which includes negotiating
11n aggregation via ADDBA/DELBA.

This by itself isn't enough to correctly create 11n adhoc networks; but
it is required for aggregation to be negotiated.

Tested:

* AR9380, 11n adhoc mode
* broadcom 11ac adhoc (vendor platform)

Sponsored by:	Eva Automation, Inc.
This commit is contained in:
Adrian Chadd 2016-04-28 20:29:49 +00:00
parent 310aef3257
commit 9b40530293
1 changed files with 2 additions and 1 deletions
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3
sys/net80211/ieee80211_adhoc.c
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@ -854,7 +854,8 @@ adhoc_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0,
case IEEE80211_FC0_SUBTYPE_ACTION:
case IEEE80211_FC0_SUBTYPE_ACTION_NOACK:
if (ni == vap->iv_bss) {
if ((ni == vap->iv_bss) &&
!IEEE80211_ADDR_EQ(wh->i_addr2, ni->ni_macaddr)) {
IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
wh, NULL, "%s", "unknown node");
vap->iv_stats.is_rx_mgtdiscard++;