From: Christian Lamparter <chunkeey@googlemail.com>
Date: Mon, 17 Dec 2012 16:05:55 +0000 (+0100)
Subject: carl9170: disable hw crypto for p2p networks
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=55fa645e3a3f4c0b5da744eb0e1fec4e51dfc75e;p=linux.git

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>
---

diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index 6ca5dd0682753..0abf005aaa4e9 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);