ath10k: setup rts/frag thresholds upon vdev creation

mac80211 configures rts/frag thresholds per-hw not
per-vif. ath10k FW expects those values to be set
per-vdev (i.e. per-vif).

ath10k should now respect rts/frag thresholds set
before a given interface was brought up.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 608e240..2bfb8fd 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -1756,7 +1756,7 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
        struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
        enum wmi_sta_powersave_param param;
        int ret = 0;
-       u32 value;
+       u32 value, rts, frag;
        int bit;
 
        mutex_lock(&ar->conf_mutex);
@@ -1859,6 +1859,24 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
                        ath10k_warn("Failed to set PSPOLL count: %d\n", ret);
        }
 
+       rts = min_t(u32, ar->hw->wiphy->rts_threshold, ATH10K_RTS_MAX);
+       ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
+                                        WMI_VDEV_PARAM_RTS_THRESHOLD,
+                                        rts);
+       if (ret)
+               ath10k_warn("failed to set rts threshold for vdev %d (%d)\n",
+                           arvif->vdev_id, ret);
+
+       frag = clamp_t(u32, ar->hw->wiphy->frag_threshold,
+                      ATH10K_FRAGMT_THRESHOLD_MIN,
+                      ATH10K_FRAGMT_THRESHOLD_MAX);
+       ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
+                                       WMI_VDEV_PARAM_FRAGMENTATION_THRESHOLD,
+                                       frag);
+       if (ret)
+               ath10k_warn("failed to set frag threshold for vdev %d (%d)\n",
+                           arvif->vdev_id, ret);
+
        if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)
                ar->monitor_present = true;