carl9170: disable hw crypto for p2p networks

While the driver supports HW offload in a single
P2P client configuration, it doesn't support HW
offload in the concurrent P2P GO+CLIENT
configuration.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index 6ca5dd068275..0abf005aaa4e 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -583,6 +583,14 @@ static int carl9170_init_interface(struct ar9170 *ar,
         ar->disable_offload |= ((vif->type != NL80211_IFTYPE_STATION) &&
             (vif->type != NL80211_IFTYPE_AP));
 
+        /* While the driver supports HW offload in a single
+         * P2P client configuration, it doesn't support HW
+         * offload in the favourit, concurrent P2P GO+CLIENT
+         * configuration. Hence, HW offload will always be
+         * disabled for P2P.
+         */
+        ar->disable_offload |= vif->p2p;
+
         ar->rx_software_decryption = ar->disable_offload;
 
         err = carl9170_set_operating_mode(ar);