iwlwifi: mvm: Allow setting ctrl-chnl-position in FTM responder

This patch enables the debugfs user to configure an FTM responder
with the appropriate control channel position.

Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
index 398bef6..7904b41 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
@@ -715,11 +715,30 @@ static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif,
                goto out;
        }
 
-       data = iwl_dbgfs_is_match("ctrl_ch_position=", buf);
+       data = iwl_dbgfs_is_match("center_freq=", buf);
        if (data) {
+               struct iwl_tof_responder_config_cmd *cmd =
+                       &mvm->tof_data.responder_cfg;
+
                ret = kstrtou32(data, 10, &value);
-               if (ret == 0)
-                       mvm->tof_data.responder_cfg.ctrl_ch_position = value;
+               if (ret == 0 && value) {
+                       enum ieee80211_band band = (cmd->channel_num <= 14) ?
+                                                  IEEE80211_BAND_2GHZ :
+                                                  IEEE80211_BAND_5GHZ;
+                       struct ieee80211_channel chn = {
+                               .band = band,
+                               .center_freq = ieee80211_channel_to_frequency(
+                                       cmd->channel_num, band),
+                               };
+                       struct cfg80211_chan_def chandef = {
+                               .chan =  &chn,
+                               .center_freq1 =
+                                       ieee80211_channel_to_frequency(value,
+                                                                      band),
+                       };
+
+                       cmd->ctrl_ch_position = iwl_mvm_get_ctrl_pos(&chandef);
+               }
                goto out;
        }