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nl80211: New command for adding extra IE(s) into management frames

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A new nl80211 command, NL80211_CMD_SET_MGMT_EXTRA_IE, can be used to
add arbitrary IE data into the end of management frames. The interface
allows extra IEs to be configured for each management frame subtype, but
only some of them (ProbeReq, ProbeResp, Auth, (Re)AssocReq, Deauth,
Disassoc) are currently accepted in mac80211 implementation.

This makes it easier to implement IEEE 802.11 extensions like WPS and
FT that add IE(s) into some management frames. In addition, this can
be useful for testing and experimentation purposes.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen
2009-01-13 16:03:29 +02:00
committed by John W. Linville
parent 0c1aa49596
commit 9aed3cc124
7 changed files with 246 additions and 6 deletions
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7
net/mac80211/iface.c
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@@ -632,6 +632,13 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
kfree(sdata->u.sta.assocreq_ies);
kfree(sdata->u.sta.assocresp_ies);
kfree_skb(sdata->u.sta.probe_resp);
kfree(sdata->u.sta.ie_probereq);
kfree(sdata->u.sta.ie_proberesp);
kfree(sdata->u.sta.ie_auth);
kfree(sdata->u.sta.ie_assocreq);
kfree(sdata->u.sta.ie_reassocreq);
kfree(sdata->u.sta.ie_deauth);
kfree(sdata->u.sta.ie_disassoc);
break;
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_AP_VLAN: