mac80211: move ieee80211_send_deauth_disassoc outside mlme code
Move ieee80211_send_deauth_disassoc() to util.c to make it
available for the rest of the mac80211 code.
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
[reword commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ed75439..2017904 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1007,6 +1007,45 @@
ieee80211_tx_skb(sdata, skb);
}
+void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid, u16 stype, u16 reason,
+ bool send_frame, u8 *frame_buf)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct sk_buff *skb;
+ struct ieee80211_mgmt *mgmt = (void *)frame_buf;
+
+ /* build frame */
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype);
+ mgmt->duration = 0; /* initialize only */
+ mgmt->seq_ctrl = 0; /* initialize only */
+ memcpy(mgmt->da, bssid, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
+ memcpy(mgmt->bssid, bssid, ETH_ALEN);
+ /* u.deauth.reason_code == u.disassoc.reason_code */
+ mgmt->u.deauth.reason_code = cpu_to_le16(reason);
+
+ if (send_frame) {
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom +
+ IEEE80211_DEAUTH_FRAME_LEN);
+ if (!skb)
+ return;
+
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+
+ /* copy in frame */
+ memcpy(skb_put(skb, IEEE80211_DEAUTH_FRAME_LEN),
+ mgmt, IEEE80211_DEAUTH_FRAME_LEN);
+
+ if (sdata->vif.type != NL80211_IFTYPE_STATION ||
+ !(sdata->u.mgd.flags & IEEE80211_STA_MFP_ENABLED))
+ IEEE80211_SKB_CB(skb)->flags |=
+ IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ ieee80211_tx_skb(sdata, skb);
+ }
+}
+
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
const u8 *ie, size_t ie_len,
enum ieee80211_band band, u32 rate_mask,