On 03/10/2015 06:32 AM, Bartosz Markowski wrote: > While testing with older supplicant, .drv_set_key() was failing due to > higher than ath10k firmware could handle key_index (WMI_MAX_KEY_INDEX == 3). > > -- > wpa_driver_nl80211_set_key: ifindex=15 alg=4 addr=0x7f02b129fbe3 key_idx=4 set_tx=0 seq_len=6 key_len=16 > broadcast key > nl80211: set_key failed; err=-22 Invalid argument) > wlan0: WPA: Failed to configure IGTK to the driver > wlan0: RSN: Failed to configure IGTK > -- > > In order to fix this case (PMF: AES-CMAC/IGTK) force the AES_CMAC cipher to > be handled by software. How did you get firmware to allow the host to do the encryption? Every time I've tried such a thing I end up with either nothing or garbage on the air. Or this this particular type of encryption treated differently by the firmware? Thanks, Ben > > Signed-off-by: Bartosz Markowski <bartosz.markowski@xxxxxxxxx> > --- > drivers/net/wireless/ath/ath10k/mac.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c > index 1138f4f8923f..5a3129010951 100644 > --- a/drivers/net/wireless/ath/ath10k/mac.c > +++ b/drivers/net/wireless/ath/ath10k/mac.c > @@ -66,8 +66,8 @@ static int ath10k_send_key(struct ath10k_vif *arvif, > arg.key_cipher = WMI_CIPHER_WEP; > break; > case WLAN_CIPHER_SUITE_AES_CMAC: > - /* this one needs to be done in software */ > - return 1; > + WARN_ON(1); > + return -EINVAL; > default: > ath10k_warn(ar, "cipher %d is not supported\n", key->cipher); > return -EOPNOTSUPP; > @@ -3995,6 +3995,10 @@ static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, > int ret = 0; > u32 flags = 0; > > + /* this one needs to be done in software */ > + if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) > + return 1; > + > if (key->keyidx > WMI_MAX_KEY_INDEX) > return -ENOSPC; > > -- Ben Greear <greearb@xxxxxxxxxxxxxxx> Candela Technologies Inc http://www.candelatech.com -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
