65 lines
2.2 KiB
Diff
65 lines
2.2 KiB
Diff
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From fa9d565fe8841b288f29137c23a7ab2584dd9510 Mon Sep 17 00:00:00 2001
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From: Peter Oh <peter.oh@bowerswilkins.com>
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Date: Tue, 29 May 2018 14:39:20 -0700
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Subject: [PATCH 16/18] mesh: fix channel switch error during CAC
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Mesh interface has used its channel parameters that configured
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during its initialization even after channel switched due to
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DFS radar detection during CAC which caused channel switch error.
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This change fixes the error by updating its channel parameters
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when channel's been changed from initial one.
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Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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[daniel@makrotopia.org: added hw_features_common.h include]
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---
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wpa_supplicant/mesh.c | 25 +++++++++++++++++++++++++
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1 file changed, 25 insertions(+)
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--- a/wpa_supplicant/mesh.c
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+++ b/wpa_supplicant/mesh.c
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@@ -11,6 +11,7 @@
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#include "utils/common.h"
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#include "utils/eloop.h"
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#include "utils/uuid.h"
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+#include "common/hw_features_common.h"
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#include "common/ieee802_11_defs.h"
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#include "common/wpa_ctrl.h"
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#include "ap/sta_info.h"
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@@ -394,10 +395,35 @@ void wpa_supplicant_mesh_add_scan_ie(str
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void wpas_mesh_complete_cb(void *ctx)
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{
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struct wpa_supplicant *wpa_s = (struct wpa_supplicant *)ctx;
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+ struct hostapd_iface *ifmsh = wpa_s->ifmsh;
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struct wpa_driver_mesh_join_params *params = wpa_s->mesh_params;
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struct wpa_ssid *ssid = wpa_s->current_ssid;
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int ret = 0;
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+ /*
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+ * inspect if channel's been changed since initialized.
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+ * i.e. DFS radar detection
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+ */
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+ if (ifmsh->freq != params->freq.freq) {
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+ wpa_s->assoc_freq = ifmsh->freq;
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+ ssid->frequency = ifmsh->freq;
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+ if (hostapd_set_freq_params(¶ms->freq,
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+ ifmsh->conf->hw_mode,
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+ ifmsh->freq,
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+ ifmsh->conf->channel,
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+ ifmsh->conf->ieee80211n,
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+ ifmsh->conf->ieee80211ac,
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+ ifmsh->conf->secondary_channel,
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+ ifmsh->conf->vht_oper_chwidth,
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+ ifmsh->conf->vht_oper_centr_freq_seg0_idx,
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+ ifmsh->conf->vht_oper_centr_freq_seg1_idx,
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+ ifmsh->conf->vht_capab)) {
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+ wpa_printf(MSG_ERROR, "Error updating mesh frequency params.");
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+ wpa_supplicant_mesh_deinit(wpa_s);
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+ return;
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+ }
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+ }
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+
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if (wpas_mesh_init_rsn(wpa_s)) {
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wpa_printf(MSG_ERROR, "Init RSN failed. Deinit mesh...");
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wpa_supplicant_mesh_deinit(wpa_s);
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