wil6210: Derive IE's for AP

When starting secure AP, in some cases wpa_s provides probe template but not
probe/assoc IE's. In this case, derive missing IE's from probe.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
index 4eb05d0..189c307 100644 (file)
--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -402,6 +402,30 @@ static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
        return 0;
 }
 
+static int wil_fix_bcon(struct wil6210_priv *wil,
+                       struct cfg80211_beacon_data *bcon)
+{
+       struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
+       size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
+       int rc = 0;
+
+       if (bcon->probe_resp_len <= hlen)
+               return 0;
+
+       if (!bcon->proberesp_ies) {
+               bcon->proberesp_ies = f->u.probe_resp.variable;
+               bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
+               rc = 1;
+       }
+       if (!bcon->assocresp_ies) {
+               bcon->assocresp_ies = f->u.probe_resp.variable;
+               bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
+               rc = 1;
+       }
+
+       return rc;
+}
+
 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
                                 struct net_device *ndev,
                                 struct cfg80211_ap_settings *info)
@@ -423,6 +447,9 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
        print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
                             info->ssid, info->ssid_len);
 
+       if (wil_fix_bcon(wil, bcon))
+               wil_dbg_misc(wil, "Fixed bcon\n");
+
        rc = wil_reset(wil);
        if (rc)
                return rc;