iwlwifi: mvm: add trigger for firmware dump upon TDLS events
This will allow to catch different TDLS events and get the
firmware data when they occur.
Add empty TX_LATENCY trigger on the way to avoid mismatch
with trees in which this trigger is implemented.
Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index e88afac..f570c71 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -2699,6 +2699,34 @@
vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
}
+static void
+iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif, u8 *peer_addr,
+ enum nl80211_tdls_operation action)
+{
+ struct iwl_fw_dbg_trigger_tlv *trig;
+ struct iwl_fw_dbg_trigger_tdls *tdls_trig;
+
+ if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS))
+ return;
+
+ trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS);
+ tdls_trig = (void *)trig->data;
+ if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+ return;
+
+ if (!(tdls_trig->action_bitmap & BIT(action)))
+ return;
+
+ if (tdls_trig->peer_mode &&
+ memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0)
+ return;
+
+ iwl_mvm_fw_dbg_collect_trig(mvm, trig,
+ "TDLS event occurred, peer %pM, action %d",
+ peer_addr, action);
+}
+
static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
@@ -2749,8 +2777,11 @@
}
ret = iwl_mvm_add_sta(mvm, vif, sta);
- if (sta->tdls && ret == 0)
+ if (sta->tdls && ret == 0) {
iwl_mvm_recalc_tdls_state(mvm, vif, true);
+ iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
+ NL80211_TDLS_SETUP);
+ }
} else if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_AUTH) {
/*
@@ -2774,6 +2805,10 @@
if (iwl_mvm_phy_ctx_count(mvm) > 1)
iwl_mvm_teardown_tdls_peers(mvm);
+ if (sta->tdls)
+ iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
+ NL80211_TDLS_ENABLE_LINK);
+
/* enable beacon filtering */
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
ret = 0;
@@ -2791,8 +2826,11 @@
} else if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST) {
ret = iwl_mvm_rm_sta(mvm, vif, sta);
- if (sta->tdls)
+ if (sta->tdls) {
iwl_mvm_recalc_tdls_state(mvm, vif, false);
+ iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
+ NL80211_TDLS_DISABLE_LINK);
+ }
} else {
ret = -EIO;
}