On Mon, Aug 27, 2018 at 02:28:47PM -0700, peter.oh@xxxxxxxxxxxxxxxxx wrote:
> Mesh interface has used its channel parameters that configured
> during its initialization even after channel switched due to
> DFS radar detection during CAC which caused channel switch error.
> This change fixes the error by updating its channel parameters
> when channel's been changed from initial one.
> diff --git a/wpa_supplicant/mesh.c b/wpa_supplicant/mesh.c
> @@ -199,10 +200,35 @@ static int wpas_mesh_init_rsn(struct wpa_supplicant *wpa_s)
> static void wpas_mesh_complete_cb(void *ctx)
> {
> struct wpa_supplicant *wpa_s = (struct wpa_supplicant *)ctx;
> + struct hostapd_iface *ifmsh = wpa_s->ifmsh;
> struct wpa_driver_mesh_join_params *params = wpa_s->mesh_params;
> struct wpa_ssid *ssid = wpa_s->current_ssid;
> int ret = 0;
>
> + /*
> + * inspect if channel's been changed since initialized.
> + * i.e. DFS radar detection
> + */
> + if (ifmsh->freq != params->freq.freq) {
> + wpa_s->assoc_freq = ifmsh->freq;
> + ssid->frequency = ifmsh->freq;
This changing of ssid->frequency does not feel like the correct thing to
do here. wpa_supplicant should not be changing the network profile
parameters on its own.
--
Jouni Malinen PGP id EFC895FA
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