mwl8k: Allow adding station interface on AP firmware

When user wants to add a station interface when
AP firmware is loaded & in-use, allow creating
it and also notify user about the same.

Allow adding max one STA interface for AP fw.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 0a22bb1..84207a8 100644 (file)
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2519,7 +2519,7 @@ static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw)
                priv->hw_rev = cmd->hw_rev;
                mwl8k_set_caps(hw, le32_to_cpu(cmd->caps));
                priv->ap_macids_supported = 0x000000ff;
-               priv->sta_macids_supported = 0x00000000;
+               priv->sta_macids_supported = 0x00000100;
                priv->num_ampdu_queues = le32_to_cpu(cmd->num_of_ampdu_queues);
                if (priv->num_ampdu_queues > MWL8K_MAX_AMPDU_QUEUES) {
                        wiphy_warn(hw->wiphy, "fw reported %d ampdu queues"
@@ -4669,12 +4669,18 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
                break;
        case NL80211_IFTYPE_STATION:
                if (priv->ap_fw && di->fw_image_sta) {
-                       /* we must load the sta fw to meet this request */
-                       if (!list_empty(&priv->vif_list))
-                               return -EBUSY;
-                       rc = mwl8k_reload_firmware(hw, di->fw_image_sta);
-                       if (rc)
-                               return rc;
+                       if (!list_empty(&priv->vif_list)) {
+                               wiphy_warn(hw->wiphy, "AP interface is running.\n"
+                                          "Adding STA interface for WDS");
+                       } else {
+                               /* we must load the sta fw to
+                                * meet this request.
+                                */
+                               rc = mwl8k_reload_firmware(hw,
+                                                          di->fw_image_sta);
+                               if (rc)
+                                       return rc;
+                       }
                }
                macids_supported = priv->sta_macids_supported;
                break;