From 78f9c85035101317d4189cdb31c582f96854b182 Mon Sep 17 00:00:00 2001 From: Antonio Quartulli Date: Sun, 1 Apr 2012 00:35:40 +0300 Subject: [PATCH] b43: claim support for IBSS RSN The driver now claims to support IBSS/RSN. Group key configuration in hardware is skipped. Software encryption is used for multicast communications. Signed-off-by: Antonio Quartulli Signed-off-by: John W. Linville --- drivers/net/wireless/b43/main.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index c79e6638c88d..05ea95ba6de0 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4010,6 +4010,20 @@ static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, if (modparam_nohwcrypt) return -ENOSPC; /* User disabled HW-crypto */ + 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, 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(&wl->mutex); dev = wl->current_dev; @@ -5275,6 +5289,8 @@ static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev) BIT(NL80211_IFTYPE_WDS) | BIT(NL80211_IFTYPE_ADHOC); + hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; + hw->queues = modparam_qos ? B43_QOS_QUEUE_NUM : 1; wl->mac80211_initially_registered_queues = hw->queues; hw->max_rates = 2; -- 2.34.1