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| /freebsd-11-stable/sys/net80211/ | ||
| H A D | ieee80211_sta.c | diff 227338 Tue Nov 08 12:33:33 MST 2011 adrian Reject frames in STA mode which are not destined to the local STA address. Some hardware (eg the AR9160 in STA mode) seems to "leak" unicast FROMDS frames which aren't destined to itself. This angers the net80211 stack - the existing code would fail to find an address in the node table and try passing the frame up to each vap BSS. It would then be accepted in the input routine and its contents would update the local crypto and sequence number state. If the sequence number / crypto IV replay counters from the leaked frame were greater than the "real" state, subsequent "real" frames would be rejected due to out of sequence / IV replay conditions. This is also likely helpful if/when multi-STA modes are added to net80211. Sponsored by: Hobnob, Inc. |
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