iwlwifi: mvm: remove support for Link Quality Measurements

This was never used by any product. Remove it.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

1 files changed, 0 insertions, 76 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index 71a01df96f8b..4228fac77f41 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -1455,80 +1455,6 @@ static const char * const chanwidths[] = {
         [NL80211_CHAN_WIDTH_160] = "vht160",
 };
 
-static bool iwl_mvm_lqm_notif_wait(struct iwl_notif_wait_data *notif_wait,
-                                   struct iwl_rx_packet *pkt, void *data)
-{
-        struct ieee80211_vif *vif = data;
-        struct iwl_mvm *mvm =
-                container_of(notif_wait, struct iwl_mvm, notif_wait);
-        struct iwl_link_qual_msrmnt_notif *report = (void *)pkt->data;
-        u32 num_of_stations = le32_to_cpu(report->number_of_stations);
-        int i;
-
-        IWL_INFO(mvm, "LQM report:\n");
-        IWL_INFO(mvm, "\tstatus: %d\n", report->status);
-        IWL_INFO(mvm, "\tmacID: %d\n", le32_to_cpu(report->mac_id));
-        IWL_INFO(mvm, "\ttx_frame_dropped: %d\n",
-                 le32_to_cpu(report->tx_frame_dropped));
-        IWL_INFO(mvm, "\ttime_in_measurement_window: %d us\n",
-                 le32_to_cpu(report->time_in_measurement_window));
-        IWL_INFO(mvm, "\ttotal_air_time_other_stations: %d\n",
-                 le32_to_cpu(report->total_air_time_other_stations));
-        IWL_INFO(mvm, "\tchannel_freq: %d\n",
-                 vif->bss_conf.chandef.center_freq1);
-        IWL_INFO(mvm, "\tchannel_width: %s\n",
-                 chanwidths[vif->bss_conf.chandef.width]);
-        IWL_INFO(mvm, "\tnumber_of_stations: %d\n", num_of_stations);
-        for (i = 0; i < num_of_stations; i++)
-                IWL_INFO(mvm, "\t\tsta[%d]: %d\n", i,
-                         report->frequent_stations_air_time[i]);
-
-        return true;
-}
-
-static ssize_t iwl_dbgfs_lqm_send_cmd_write(struct ieee80211_vif *vif,
-                                            char *buf, size_t count,
-                                            loff_t *ppos)
-{
-        struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-        struct iwl_mvm *mvm = mvmvif->mvm;
-        struct iwl_notification_wait wait_lqm_notif;
-        static u16 lqm_notif[] = {
-                WIDE_ID(MAC_CONF_GROUP,
-                        LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF)
-        };
-        int err;
-        u32 duration;
-        u32 timeout;
-
-        if (sscanf(buf, "%d,%d", &duration, &timeout) != 2)
-                return -EINVAL;
-
-        iwl_init_notification_wait(&mvm->notif_wait, &wait_lqm_notif,
-                                   lqm_notif, ARRAY_SIZE(lqm_notif),
-                                   iwl_mvm_lqm_notif_wait, vif);
-        mutex_lock(&mvm->mutex);
-        err = iwl_mvm_send_lqm_cmd(vif, LQM_CMD_OPERATION_START_MEASUREMENT,
-                                   duration, timeout);
-        mutex_unlock(&mvm->mutex);
-
-        if (err) {
-                IWL_ERR(mvm, "Failed to send lqm cmdf(err=%d)\n", err);
-                iwl_remove_notification(&mvm->notif_wait, &wait_lqm_notif);
-                return err;
-        }
-
-        /* wait for 2 * timeout (safety guard) and convert to jiffies*/
-        timeout = msecs_to_jiffies((timeout * 2) / 1000);
-
-        err = iwl_wait_notification(&mvm->notif_wait, &wait_lqm_notif,
-                                    timeout);
-        if (err)
-                IWL_ERR(mvm, "Getting lqm notif timed out\n");
-
-        return count;
-}
-
 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
         _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
@@ -1553,7 +1479,6 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32);
 MVM_DEBUGFS_READ_FILE_OPS(tof_range_response);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32);
-MVM_DEBUGFS_WRITE_FILE_OPS(lqm_send_cmd, 64);
 MVM_DEBUGFS_READ_FILE_OPS(os_device_timediff);
 
 
@@ -1594,7 +1519,6 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
                                  S_IRUSR | S_IWUSR);
         MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir,
                                  S_IRUSR | S_IWUSR);
-        MVM_DEBUGFS_ADD_FILE_VIF(lqm_send_cmd, mvmvif->dbgfs_dir, S_IWUSR);
         MVM_DEBUGFS_ADD_FILE_VIF(os_device_timediff,
                                  mvmvif->dbgfs_dir, S_IRUSR);