diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-scan.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-scan.c | 49 |
1 files changed, 33 insertions, 16 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 08faafae849..f786a407638 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -651,9 +651,20 @@ u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, if (left < 0) return 0; *pos++ = WLAN_EID_SSID; - *pos++ = 0; - - len += 2; + if (!priv->is_internal_short_scan && + priv->scan_request->n_ssids) { + struct cfg80211_ssid *ssid = + priv->scan_request->ssids; + + /* Broadcast if ssid_len is 0 */ + *pos++ = ssid->ssid_len; + memcpy(pos, ssid->ssid, ssid->ssid_len); + pos += ssid->ssid_len; + len += 2 + ssid->ssid_len; + } else { + *pos++ = 0; + len += 2; + } if (WARN_ON(left < ie_len)) return len; @@ -782,20 +793,26 @@ static void iwl_bg_request_scan(struct work_struct *data) if (priv->is_internal_short_scan) { IWL_DEBUG_SCAN(priv, "Start internal passive scan.\n"); } else if (priv->scan_request->n_ssids) { - int i, p = 0; IWL_DEBUG_SCAN(priv, "Kicking off active scan\n"); - for (i = 0; i < priv->scan_request->n_ssids; i++) { - /* always does wildcard anyway */ - if (!priv->scan_request->ssids[i].ssid_len) - continue; - scan->direct_scan[p].id = WLAN_EID_SSID; - scan->direct_scan[p].len = - priv->scan_request->ssids[i].ssid_len; - memcpy(scan->direct_scan[p].ssid, - priv->scan_request->ssids[i].ssid, - priv->scan_request->ssids[i].ssid_len); - n_probes++; - p++; + /* + * The first SSID to scan is stuffed into the probe request + * template and the remaining ones are handled through the + * direct_scan array. + */ + if (priv->scan_request->n_ssids > 1) { + int i, p = 0; + for (i = 1; i < priv->scan_request->n_ssids; i++) { + if (!priv->scan_request->ssids[i].ssid_len) + continue; + scan->direct_scan[p].id = WLAN_EID_SSID; + scan->direct_scan[p].len = + priv->scan_request->ssids[i].ssid_len; + memcpy(scan->direct_scan[p].ssid, + priv->scan_request->ssids[i].ssid, + priv->scan_request->ssids[i].ssid_len); + n_probes++; + p++; + } } is_active = true; } else |