I don't know why you want to disallow sending frames when in monitor
mode (especially since reportedly it works), but this is not a good way
to go about it:
static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct iwl_priv *priv = hw->priv;
IWL_DEBUG_MAC80211("enter\n");
if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
IWL_DEBUG_MAC80211("leave - monitor\n");
return -1;
}
You see, this will cause mac80211 to resubmit the frame and most likely
will totally mess up queue handling and various other things.
johannes
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