ath6kl: support NL80211_USER_REG_HINT_CELL_BASE events

As ath6kl firmware can't do intersections the driver should only listen
to regdom changes from cellular base stations, all other requests need to
be refused.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index bf5e7d5..41dea0d 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -3500,11 +3500,18 @@ static int ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
        int ret, i;
 
        ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
-                  "cfg reg_notify %c%c%s%s initiator %d\n",
+                  "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
                   request->alpha2[0], request->alpha2[1],
                   request->intersect ? " intersect" : "",
                   request->processed ? " processed" : "",
-                  request->initiator);
+                  request->initiator, request->user_reg_hint_type);
+
+       /*
+        * As firmware is not able intersect regdoms, we can only listen to
+        * cellular hints.
+        */
+       if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
+               return -EOPNOTSUPP;
 
        ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
        if (ret) {
@@ -3668,8 +3675,10 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
        }
 
        if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
-           test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities))
+           test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
                wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
+               ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
+       }
 
        /* max num of ssids that can be probed during scanning */
        wiphy->max_scan_ssids = MAX_PROBED_SSIDS;