qtnfmac: request userspace to do OBSS scanning if FW can not

In case firmware reports that it can not do OBSS scanning for 40MHz
2.4GHz channels itself, tell userpsace to do that instead by setting
NL80211_FEATURE_NEED_OBSS_SCAN flag.

Signed-off-by: Igor mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
index 87f48b7..c4961e1 100644 (file)
--- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
@@ -1099,6 +1099,9 @@ int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac)
        if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR)
                wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
 
+       if (!(hw_info->hw_capab & QLINK_HW_CAPAB_OBSS_SCAN))
+               wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN;
+
 #ifdef CONFIG_PM
        if (macinfo->wowlan)
                wiphy->wowlan = macinfo->wowlan;

diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink.h b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
index 99d37e3..c5ae4ea 100644 (file)
--- a/drivers/net/wireless/quantenna/qtnfmac/qlink.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
@@ -71,6 +71,7 @@ struct qlink_msg_header {
  * @QLINK_HW_CAPAB_DFS_OFFLOAD: device implements DFS offload functionality
  * @QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR: device supports MAC Address
  *     Randomization in probe requests.
+ * @QLINK_HW_CAPAB_OBSS_SCAN: device can perform OBSS scanning.
  */
 enum qlink_hw_capab {
        QLINK_HW_CAPAB_REG_UPDATE               = BIT(0),
@@ -78,6 +79,7 @@ enum qlink_hw_capab {
        QLINK_HW_CAPAB_DFS_OFFLOAD              = BIT(2),
        QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR     = BIT(3),
        QLINK_HW_CAPAB_PWR_MGMT                 = BIT(4),
+       QLINK_HW_CAPAB_OBSS_SCAN                = BIT(5),
 };
 
 enum qlink_iface_type {