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, 29 insertions, 0 deletions

diff --git a/package/network/services/hostapd/patches/013-mesh-do-not-allow-pri-sec-channel-switch.patch b/package/network/services/hostapd/patches/013-mesh-do-not-allow-pri-sec-channel-switch.patch
new file mode 100644
index 0000000000..45c18fb3b6
--- /dev/null
+++ b/package/network/services/hostapd/patches/013-mesh-do-not-allow-pri-sec-channel-switch.patch
@@ -0,0 +1,29 @@
+From 4f4a9b9e2e61fba334a21dadea749e4b440f42e6 Mon Sep 17 00:00:00 2001
+From: Peter Oh <peter.oh@bowerswilkins.com>
+Date: Mon, 27 Aug 2018 14:28:48 -0700
+Subject: [PATCH 6/7] mesh: don't allow pri/sec channel switch
+
+This limitation isn't backed by standard, but it is known that
+mesh doesn't have capability to handle 20/40 coex change in
+current implementation and it will not able to establish
+PLINK when channel switch between primary and secondary happens.
+
+Since it's unknown when we will have the implementation of handling
+20/40 coex change for mesh, it'd better to avoid them from happening
+until standard based implementation is introduced.
+
+Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
+---
+ wpa_supplicant/mesh.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/wpa_supplicant/mesh.c
++++ b/wpa_supplicant/mesh.c
+@@ -391,6 +391,7 @@ static int wpa_supplicant_mesh_init(stru
+ 		conf->basic_rates[rate_len] = -1;
+ 	}
+ 
++	conf->no_pri_sec_switch = 1;
+ 	/* Handle pri/sec switch frequency within AP configuration parameter
+ 	 * generation without changing the stored network profile in the end. */
+ 	saved_freq = ssid->frequency;