nl80211: Indicate driver-based offchannel TX on mgmt_tx_cancel_wait

Drivers that support frame transmission with mgmt_tx() may not support
driver-based offchannel TX. Use mgmt_tx_cancel_wait instead of mgmt_tx
when figuring out whether to indicate support for this with
NL80211_ATTR_OFFCHANNEL_TX_OK.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index e83e7fee3bc032def174d7741e6e419d693d2401..3b5dc9186071830d9498b46cc3e760a74666255c 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -871,8 +871,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
                NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
                            dev->wiphy.max_remain_on_channel_duration);
 
-       /* for now at least assume all drivers have it */
-       if (dev->ops->mgmt_tx)
+       if (dev->ops->mgmt_tx_cancel_wait)
                NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
 
        if (mgmt_stypes) {