iwlwifi: mvm: handle unsolicited DTS_MEASUREMENT_NOTIFICATIONs
Currently, the firmware only sends temperature notificaitions inside
RX statistics notifications, which are tied to beacon filtering. This
is a problem because beacon filtering is not used with vifs that don't
receive beacons (e.g. P2P GO and AP), so the driver doesn't receive
temperature notifications in those cases. To solve that, the firmware
will be changed so that it sends DTS_MEASUREMENT_NOTIFICATIONs,
independently from the beacon filtering flows.
To support that, the driver needs to also handle unsolicited
DTS_MEASUREMENT_NOTIFICATIONs, that are not triggered by
DTS_TRIGGER_CMD_FLAGS_TEMP requests.
This change is backwards compatible and will simply not be used with
firmware versions that do not send the notifications.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c
index 35acf00..2b1e61f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tt.c
@@ -150,6 +150,26 @@
return true;
}
+int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb,
+ struct iwl_device_cmd *cmd)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ int temp;
+
+ /* the notification is handled synchronously in ctkill, so skip here */
+ if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))
+ return 0;
+
+ temp = iwl_mvm_temp_notif_parse(mvm, pkt);
+ if (temp < 0)
+ return 0;
+
+ iwl_mvm_tt_temp_changed(mvm, temp);
+
+ return 0;
+}
+
static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)
{
struct iwl_dts_measurement_cmd cmd = {