nl80211: Remove SIOCGIWRANGE and assume TKIP+CCMP+WPA+WPA2

All currently known drivers that use nl80211/cfg80211 support these, so
no need to use old WEXT ioctl for figuring out capabilities.

diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 72bf4ef..615e9df 100644 (file)
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -71,7 +71,6 @@ static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
                                            void *timeout_ctx);
 static int wpa_driver_nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
                                       int mode);
-static int wpa_driver_nl80211_get_range(void *priv);
 static int
 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv);
 
@@ -872,6 +871,16 @@ static void wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
        if (wpa_driver_nl80211_get_info(drv, &info))
                return;
        drv->has_capability = 1;
+       /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
+       drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
+               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
+               WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
+               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
+       drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
+               WPA_DRIVER_CAPA_ENC_WEP104 |
+               WPA_DRIVER_CAPA_ENC_TKIP |
+               WPA_DRIVER_CAPA_ENC_CCMP;
+
        drv->capa.max_scan_ssids = info.max_scan_ssids;
        if (info.ap_supported)
                drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
@@ -1029,8 +1038,6 @@ wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
                }
        }
 
-       wpa_driver_nl80211_get_range(drv);
-
        wpa_driver_nl80211_capa(drv);
 
        wpa_driver_nl80211_send_oper_ifla(drv, 1, IF_OPER_DORMANT);
@@ -1288,69 +1295,6 @@ nla_put_failure:
 }
 
 
-static int wpa_driver_nl80211_get_range(void *priv)
-{
-       struct wpa_driver_nl80211_data *drv = priv;
-       struct iw_range *range;
-       struct iwreq iwr;
-       int minlen;
-       size_t buflen;
-
-       /*
-        * Use larger buffer than struct iw_range in order to allow the
-        * structure to grow in the future.
-        */
-       buflen = sizeof(struct iw_range) + 500;
-       range = os_zalloc(buflen);
-       if (range == NULL)
-               return -1;
-
-       os_memset(&iwr, 0, sizeof(iwr));
-       os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
-       iwr.u.data.pointer = (caddr_t) range;
-       iwr.u.data.length = buflen;
-
-       minlen = ((char *) &range->enc_capa) - (char *) range +
-               sizeof(range->enc_capa);
-
-       if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
-               perror("ioctl[SIOCGIWRANGE]");
-               os_free(range);
-               return -1;
-       } else if (iwr.u.data.length >= minlen &&
-                  range->we_version_compiled >= 18) {
-               wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
-                          "WE(source)=%d enc_capa=0x%x",
-                          range->we_version_compiled,
-                          range->we_version_source,
-                          range->enc_capa);
-               drv->has_capability = 1;
-               if (range->enc_capa & IW_ENC_CAPA_WPA) {
-                       drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
-                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
-               }
-               if (range->enc_capa & IW_ENC_CAPA_WPA2) {
-                       drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
-                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
-               }
-               drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
-                       WPA_DRIVER_CAPA_ENC_WEP104;
-               if (range->enc_capa & IW_ENC_CAPA_CIPHER_TKIP)
-                       drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
-               if (range->enc_capa & IW_ENC_CAPA_CIPHER_CCMP)
-                       drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
-               wpa_printf(MSG_DEBUG, "  capabilities: key_mgmt 0x%x enc 0x%x",
-                          drv->capa.key_mgmt, drv->capa.enc);
-       } else {
-               wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: too old (short) data - "
-                          "assuming WPA is not supported");
-       }
-
-       os_free(range);
-       return 0;
-}
-
-
 static int wpa_driver_nl80211_set_key(void *priv, wpa_alg alg,
                                      const u8 *addr, int key_idx,
                                      int set_tx, const u8 *seq,