ath5k: enable hardware encryption for WEP
This change re-enables hardware encryption for ath5k after setting up
mac80211 to handle the initialization vectors which happens to make it
work. Add a module param (nohwcrypt) to optionally turn it off.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 6f368e8..4bf3678 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -60,6 +60,9 @@
#include "debug.h"
static int ath5k_calinterval = 10; /* Calibrate PHY every 10 secs (TODO: Fixme) */
+static int modparam_nohwcrypt;
+module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
/******************\
@@ -2975,11 +2978,12 @@
struct ath5k_softc *sc = hw->priv;
int ret = 0;
+ if (modparam_nohwcrypt)
+ return -EOPNOTSUPP;
+
switch (key->alg) {
case ALG_WEP:
- /* XXX: fix hardware encryption, its not working. For now
- * allow software encryption */
- /* break; */
+ break;
case ALG_TKIP:
case ALG_CCMP:
return -EOPNOTSUPP;
@@ -2999,6 +3003,7 @@
}
__set_bit(key->keyidx, sc->keymap);
key->hw_key_idx = key->keyidx;
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
break;
case DISABLE_KEY:
ath5k_hw_reset_key(sc->ah, key->keyidx);