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mac80211: add a 2-way Authentication challenge to IBSS mode 

In IBSS mode, whenever a new station is added a 2-way authentication challenge
is performed. Actually this event can be used to recognise a new station joining
the cell even if its sta_info entry is already in the list.

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Antonio Quartulli 2012-01-18 00:10:43 +01:00 committed by John W. Linville
parent ea9917d6f9
commit 24dd0dd74e
1 changed files with 7 additions and 0 deletions
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7
net/mac80211/ibss.c
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@ -298,6 +298,13 @@ static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta)
/* If it fails, maybe we raced another insertion? */
if (sta_info_insert_rcu(sta))
return sta_info_get(sdata, addr);
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "TX Auth SA=%pM DA=%pM BSSID=%pM"
"(auth_transaction=1)\n", sdata->vif.addr,
sdata->u.ibss.bssid, addr);
#endif
ieee80211_send_auth(sdata, 1, WLAN_AUTH_OPEN, NULL, 0,
addr, sdata->u.ibss.bssid, NULL, 0, 0);
return sta;
}