openwrtv4/package/network/services/hostapd/patches/006-mesh-inform-kernel-driver-DFS-handler-in-userspace.patch

From 37bf08621eee53f30b464be71876c02e235077ba Mon Sep 17 00:00:00 2001
From: Peter Oh <peter.oh@bowerswilkins.com>
Date: Tue, 17 Apr 2018 21:55:03 -0700
Subject: [PATCH 06/16] mesh: inform kernel driver DFS handler in userspace

NL80211_ATTR_HANDLE_DFS is required by kerenel space
to enable DFS channels that indicates DFS handler
resides in userspace.

Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
---
 src/drivers/driver.h         | 1 +
 src/drivers/driver_nl80211.c | 3 +++
 wpa_supplicant/mesh.c        | 1 +
 3 files changed, 5 insertions(+)

--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1390,6 +1390,7 @@ struct wpa_driver_mesh_join_params {
 #define WPA_DRIVER_MESH_FLAG_SAE_AUTH	0x00000004
 #define WPA_DRIVER_MESH_FLAG_AMPE	0x00000008
 	unsigned int flags;
+	u8 handle_dfs;
 };
 
 /**
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -9270,6 +9270,9 @@ static int nl80211_join_mesh(struct i802
 
 	wpa_printf(MSG_DEBUG, "  * flags=%08X", params->flags);
 
+	if (params->handle_dfs)
+		if (nla_put_flag(msg, NL80211_ATTR_HANDLE_DFS))
+			goto fail;
 	container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
 	if (!container)
 		goto fail;
--- a/wpa_supplicant/mesh.c
+++ b/wpa_supplicant/mesh.c
@@ -261,6 +261,7 @@ static int wpa_supplicant_mesh_init(stru
 		conf->ieee80211d = 1;
 		conf->country[0] = wpa_s->conf->country[0];
 		conf->country[1] = wpa_s->conf->country[1];
+		wpa_s->mesh_params->handle_dfs = 1;
 	}
 
 	bss->iconf = conf;