redonkable/alistair23-linux
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ath9k_htc: claim support for IBSS RSN

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Skip group keys configuration in hardware in order to make IBSS RSN work.
Keys will be managed using software.

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Antonio Quartulli 2012-01-17 23:13:30 +01:00 committed by John W. Linville
parent 019c4fbaa7
commit d7d312cab4
2 changed files with 17 additions and 0 deletions
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2
drivers/net/wireless/ath/ath9k/htc_drv_init.c
View file

@ -741,6 +741,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->queues = 4;
hw->channel_change_time = 5000;
hw->max_listen_interval = 10;

15
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View file

@ -1409,6 +1409,21 @@ static int ath9k_htc_set_key(struct ieee80211_hw *hw,
if (htc_modparam_nohwcrypt)
return -ENOSPC;
if ((vif->type == NL80211_IFTYPE_ADHOC ||
vif->type == NL80211_IFTYPE_MESH_POINT) &&
(key->cipher == WLAN_CIPHER_SUITE_TKIP ||
key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
/*
* For now, disable hw crypto for the RSN IBSS group keys. This
* could be optimized in the future to use a modified key cache
* design to support per-STA RX GTK, but until that gets
* implemented, use of software crypto for group addressed
* frames is a acceptable to allow RSN IBSS to be used.
*/
return -EOPNOTSUPP;
}
mutex_lock(&priv->mutex);
ath_dbg(common, CONFIG, "Set HW Key\n");
ath9k_htc_ps_wakeup(priv);