diff options
Diffstat (limited to 'net/mac80211/util.c')
| -rw-r--r-- | net/mac80211/util.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index ed7543960b16..2017904c69cc 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1007,6 +1007,45 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 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, |
