hostapd: bring back mesh patches

Bring back 802.11s mesh features to the level previously available
before the recent hostapd version bump. This is mostly to support use
of 802.11s on DFS channels, but also making mesh forwarding
configurable which is crucial for use of 802.11s MAC with other routing
protocols, such as batman-adv, on top.
While at it, fix new compiler warning by adapting 700-wifi-reload.patch
to upstream changes, now building without any warnings again.

Fixes: 0a3ec87a66 ("hostapd: update to latest Git hostap_2_9-1238-gdd2daf0848ed")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/package/network/services/hostapd/patches/016-mesh-fix-channel-switch-error-during-CAC.patch b/package/network/services/hostapd/patches/016-mesh-fix-channel-switch-error-during-CAC.patch
new file mode 100644
index 0000000000..6b52abf988
--- /dev/null
+++ b/package/network/services/hostapd/patches/016-mesh-fix-channel-switch-error-during-CAC.patch
@@ -0,0 +1,61 @@
+From 5913d6e2a741683e7c747c046f72ca790bbe1337 Mon Sep 17 00:00:00 2001
+From: Peter Oh <peter.oh@bowerswilkins.com>
+Date: Mon, 27 Aug 2018 14:28:47 -0700
+Subject: [PATCH 5/7] mesh: fix channel switch error during CAC
+
+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.
+
+Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
+---
+ wpa_supplicant/mesh.c | 25 +++++++++++++++++++++++++
+ 1 file changed, 25 insertions(+)
+
+--- a/wpa_supplicant/mesh.c
++++ b/wpa_supplicant/mesh.c
+@@ -13,6 +13,7 @@
+ #include "utils/uuid.h"
+ #include "common/ieee802_11_defs.h"
+ #include "common/wpa_ctrl.h"
++#include "common/hw_features_common.h"
+ #include "ap/sta_info.h"
+ #include "ap/hostapd.h"
+ #include "ap/ieee802_11.h"
+@@ -208,6 +209,34 @@ static void wpas_mesh_complete_cb(void *
+ 		return;
+ 	}
+ 
++	/*
++	 * 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;
++		if (hostapd_set_freq_params(&params->freq,
++				ifmsh->conf->hw_mode,
++				ifmsh->freq,
++				ifmsh->conf->channel,
++				ifmsh->conf->enable_edmg,
++				ifmsh->conf->edmg_channel,
++				ifmsh->conf->ieee80211n,
++				ifmsh->conf->ieee80211ac,
++				ifmsh->conf->ieee80211ax,
++				ifmsh->conf->secondary_channel,
++				hostapd_get_oper_chwidth(ifmsh->conf),
++				hostapd_get_oper_centr_freq_seg0_idx(ifmsh->conf),
++				hostapd_get_oper_centr_freq_seg1_idx(ifmsh->conf),
++				ifmsh->current_mode->vht_capab,
++				&ifmsh->current_mode->he_capab[IEEE80211_MODE_AP])) {
++			wpa_printf(MSG_ERROR, "Error updating mesh frequency params.");
++			wpa_supplicant_mesh_deinit(wpa_s);
++			return;
++		}
++	}
++
+ 	if (ifmsh->mconf->security != MESH_CONF_SEC_NONE &&
+ 	    wpas_mesh_init_rsn(wpa_s)) {
+ 		wpa_printf(MSG_ERROR,