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, 48 insertions, 0 deletions

diff --git a/package/network/services/hostapd/patches/006-mesh-inform-kernel-driver-DFS-handler-in-userspace.patch b/package/network/services/hostapd/patches/006-mesh-inform-kernel-driver-DFS-handler-in-userspace.patch
new file mode 100644
index 0000000000..8b1ce88864
--- /dev/null
+++ b/package/network/services/hostapd/patches/006-mesh-inform-kernel-driver-DFS-handler-in-userspace.patch
@@ -0,0 +1,48 @@
+From 593602b7f14be5c2695979639764b1c50f01bbec Mon Sep 17 00:00:00 2001
+From: Peter Oh <peter.oh@bowerswilkins.com>
+Date: Mon, 27 Aug 2018 14:28:49 -0700
+Subject: [PATCH 7/7] 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
+@@ -1542,6 +1542,7 @@ 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;
+ };
+ 
+ struct wpa_driver_set_key_params {
+--- a/src/drivers/driver_nl80211.c
++++ b/src/drivers/driver_nl80211.c
+@@ -10038,6 +10038,9 @@ 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
+@@ -314,6 +314,7 @@ static int wpa_supplicant_mesh_init(stru
+ 		conf->country[0] = wpa_s->conf->country[0];
+ 		conf->country[1] = wpa_s->conf->country[1];
+ 		conf->country[2] = ' ';
++		wpa_s->mesh_params->handle_dfs = 1;
+ 	}
+ 
+ 	bss->iconf = conf;