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libertas: Reduce the WPA key installation time (fixups) 

This patch addresses comments from Dan Williams about the patch
committed as "libertas: Reduce the WPA key installation time."

Signed-off-by: Javier Cardona <javier@cozybit.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona 2008-09-16 18:08:39 -07:00 committed by John W. Linville
parent 84e463fa07
commit 9c40fc510a
2 changed files with 24 additions and 3 deletions
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1
drivers/net/wireless/libertas/dev.h
View File

@ -58,6 +58,7 @@ struct lbs_802_11_security {
u8 WPA2enabled; u8 WPA2enabled;
u8 wep_enabled; u8 wep_enabled;
u8 auth_mode; u8 auth_mode;
u32 key_mgmt;
}; };
/** Current Basic Service Set State Structure */ /** Current Basic Service Set State Structure */

26
drivers/net/wireless/libertas/wext.c
View File

@ -1598,8 +1598,20 @@ static int lbs_set_encodeext(struct net_device *dev,
} }
out: out:
if (ret == 0) { /* key installation is time critical: postpone not! */ if (ret == 0) {
lbs_do_association_work(priv); /* 802.1x and WPA rekeying must happen as quickly as possible,
* especially during the 4-way handshake; thus if in
* infrastructure mode, and either (a) 802.1x is enabled or
* (b) WPA is being used, set the key right away.
*/
if (assoc_req->mode == IW_MODE_INFRA &&
((assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_802_1X) ||
(assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_PSK) ||
assoc_req->secinfo.WPAenabled ||
assoc_req->secinfo.WPA2enabled)) {
lbs_do_association_work(priv);
} else
lbs_postpone_association_work(priv);
} else { } else {
lbs_cancel_association_work(priv); lbs_cancel_association_work(priv);
} }
@ -1707,13 +1719,17 @@ static int lbs_set_auth(struct net_device *dev,
case IW_AUTH_TKIP_COUNTERMEASURES: case IW_AUTH_TKIP_COUNTERMEASURES:
case IW_AUTH_CIPHER_PAIRWISE: case IW_AUTH_CIPHER_PAIRWISE:
case IW_AUTH_CIPHER_GROUP: case IW_AUTH_CIPHER_GROUP:
case IW_AUTH_KEY_MGMT:
case IW_AUTH_DROP_UNENCRYPTED: case IW_AUTH_DROP_UNENCRYPTED:
/* /*
* libertas does not use these parameters * libertas does not use these parameters
*/ */
break; break;
case IW_AUTH_KEY_MGMT:
assoc_req->secinfo.key_mgmt = dwrq->value;
updated = 1;
break;
case IW_AUTH_WPA_VERSION: case IW_AUTH_WPA_VERSION:
if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) { if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
assoc_req->secinfo.WPAenabled = 0; assoc_req->secinfo.WPAenabled = 0;
@ -1793,6 +1809,10 @@ static int lbs_get_auth(struct net_device *dev,
lbs_deb_enter(LBS_DEB_WEXT); lbs_deb_enter(LBS_DEB_WEXT);
switch (dwrq->flags & IW_AUTH_INDEX) { switch (dwrq->flags & IW_AUTH_INDEX) {
case IW_AUTH_KEY_MGMT:
dwrq->value = priv->secinfo.key_mgmt;
break;
case IW_AUTH_WPA_VERSION: case IW_AUTH_WPA_VERSION:
dwrq->value = 0; dwrq->value = 0;
if (priv->secinfo.WPAenabled) if (priv->secinfo.WPAenabled)