diff options
Diffstat (limited to 'package/kernel/mac80211/patches/392-mac80211-don-t-Tx-a-deauth-frame-if-the-AP-forbade-T.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/392-mac80211-don-t-Tx-a-deauth-frame-if-the-AP-forbade-T.patch | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/package/kernel/mac80211/patches/392-mac80211-don-t-Tx-a-deauth-frame-if-the-AP-forbade-T.patch b/package/kernel/mac80211/patches/392-mac80211-don-t-Tx-a-deauth-frame-if-the-AP-forbade-T.patch deleted file mode 100644 index 74dd3d3775..0000000000 --- a/package/kernel/mac80211/patches/392-mac80211-don-t-Tx-a-deauth-frame-if-the-AP-forbade-T.patch +++ /dev/null @@ -1,78 +0,0 @@ -From: Emmanuel Grumbach <emmanuel.grumbach@intel.com> -Date: Fri, 31 Aug 2018 11:31:12 +0300 -Subject: [PATCH] mac80211: don't Tx a deauth frame if the AP forbade Tx - -If the driver fails to properly prepare for the channel -switch, mac80211 will disconnect. If the CSA IE had mode -set to 1, it means that the clients are not allowed to send -any Tx on the current channel, and that includes the -deauthentication frame. - -Make sure that we don't send the deauthentication frame in -this case. - -In iwlwifi, this caused a failure to flush queues since the -firmware already closed the queues after having parsed the -CSA IE. Then mac80211 would wait until the deauthentication -frame would go out (drv_flush(drop=false)) and that would -never happen. - -Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> -Signed-off-by: Luca Coelho <luciano.coelho@intel.com> -Signed-off-by: Johannes Berg <johannes.berg@intel.com> ---- - ---- a/net/mac80211/mlme.c -+++ b/net/mac80211/mlme.c -@@ -1267,6 +1267,16 @@ ieee80211_sta_process_chanswitch(struct - cbss->beacon_interval)); - return; - drop_connection: -+ /* -+ * This is just so that the disconnect flow will know that -+ * we were trying to switch channel and failed. In case the -+ * mode is 1 (we are not allowed to Tx), we will know not to -+ * send a deauthentication frame. Those two fields will be -+ * reset when the disconnection worker runs. -+ */ -+ sdata->vif.csa_active = true; -+ sdata->csa_block_tx = csa_ie.mode; -+ - ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work); - mutex_unlock(&local->chanctx_mtx); - mutex_unlock(&local->mtx); -@@ -2437,6 +2447,7 @@ static void __ieee80211_disconnect(struc - struct ieee80211_local *local = sdata->local; - struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN]; -+ bool tx; - - sdata_lock(sdata); - if (!ifmgd->associated) { -@@ -2444,6 +2455,8 @@ static void __ieee80211_disconnect(struc - return; - } - -+ tx = !sdata->csa_block_tx; -+ - /* AP is probably out of range (or not reachable for another reason) so - * remove the bss struct for that AP. - */ -@@ -2451,7 +2464,7 @@ static void __ieee80211_disconnect(struc - - ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, - WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, -- true, frame_buf); -+ tx, frame_buf); - mutex_lock(&local->mtx); - sdata->vif.csa_active = false; - ifmgd->csa_waiting_bcn = false; -@@ -2462,7 +2475,7 @@ static void __ieee80211_disconnect(struc - } - mutex_unlock(&local->mtx); - -- ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), true, -+ ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), tx, - WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); - - sdata_unlock(sdata); |