redonkable/alistair23-linux
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iwmc3200wifi: Set WEP key from connect

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When connect is called with the LEGACY_PSK authentication type set, and a
proper sme->key, we need to set the WEP key straight after setting the
profile otherwise the authentication will never start.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Samuel Ortiz 2009-09-01 15:13:59 +02:00 committed by John W. Linville
parent ae73abf235
commit b90a5c9561
1 changed files with 43 additions and 1 deletions
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44
drivers/net/wireless/iwmc3200wifi/cfg80211.c
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@ -562,6 +562,7 @@ static int iwm_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
{
struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
struct ieee80211_channel *chan = sme->channel;
struct key_params key_param;
int ret;
if (!test_bit(IWM_STATUS_READY, &iwm->status))
@ -619,7 +620,48 @@ static int iwm_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
return ret;
}
return iwm_send_mlme_profile(iwm);
/*
* We save the WEP key in case we want to do shared authentication.
* We have to do it so because UMAC will assert whenever it gets a
* key before a profile.
*/
if (sme->key) {
key_param.key = kmemdup(sme->key, sme->key_len, GFP_KERNEL);
if (key_param.key == NULL)
return -ENOMEM;
key_param.key_len = sme->key_len;
key_param.seq_len = 0;
key_param.cipher = sme->crypto.ciphers_pairwise[0];
ret = iwm_key_init(&iwm->keys[sme->key_idx], sme->key_idx,
NULL, &key_param);
kfree(key_param.key);
if (ret < 0) {
IWM_ERR(iwm, "Invalid key_params\n");
return ret;
}
iwm->default_key = sme->key_idx;
}
ret = iwm_send_mlme_profile(iwm);
if (iwm->umac_profile->sec.auth_type != UMAC_AUTH_TYPE_LEGACY_PSK ||
sme->key == NULL)
return ret;
/*
* We want to do shared auth.
* We need to actually set the key we previously cached,
* and then tell the UMAC it's the default one.
* That will trigger the auth+assoc UMAC machinery, and again,
* this must be done after setting the profile.
*/
ret = iwm_set_key(iwm, 0, &iwm->keys[sme->key_idx]);
if (ret < 0)
return ret;
return iwm_set_tx_key(iwm, iwm->default_key);
}
static int iwm_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,