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authorAntonio Quartulli <ordex@autistici.org>2012-03-31 23:35:40 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-04-10 21:20:34 +0200
commit78f9c85035101317d4189cdb31c582f96854b182 (patch)
tree8f0771c96eeca5f4aa6016fae1268f981c5bac36 /drivers/net/wireless
parent{nl,cfg}80211: Support for mesh synchronization (diff)
downloadlinux-78f9c85035101317d4189cdb31c582f96854b182.tar.xz
linux-78f9c85035101317d4189cdb31c582f96854b182.zip
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 <ordex@autistici.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/b43/main.c16
1 files changed, 16 insertions, 0 deletions
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;