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mac80211: data path modification for TDLS peers

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Mark the STA entries of enabled TDLS peers with a new "peer authorized"
flag.

During link setup, allow special TDLS setup frames through the AP, but
otherwise drop all packets destined to the peer. This is required by the
TDLS (802.11z) specification in order to prevent reordering of MSDUs
between the AP and direct paths.

When setup completes and the peer is authorized, send data directly,
bypassing the AP.

In the Rx path, allow data to be received directly from TDLS peers.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Cc: Kalyan C Gaddam <chakkal@iit.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arik Nemtsov 2011-09-28 14:12:54 +03:00 • committed by John W. Linville
parent 07ba55d7f1
commit 941c93cd03
4 changed files with 55 additions and 7 deletions
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5
net/wireless/util.c
View file

@ -396,8 +396,9 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
}
break;
case cpu_to_le16(0):
if (iftype != NL80211_IFTYPE_ADHOC)
return -1;
if (iftype != NL80211_IFTYPE_ADHOC &&
iftype != NL80211_IFTYPE_STATION)
return -1;
break;
}