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, 124 insertions, 0 deletions

diff --git a/package/network/services/hostapd/patches/004-mesh-use-setup-completion-callback-to-complete-mesh-.patch b/package/network/services/hostapd/patches/004-mesh-use-setup-completion-callback-to-complete-mesh-.patch
new file mode 100644
index 0000000000..844437f74a
--- /dev/null
+++ b/package/network/services/hostapd/patches/004-mesh-use-setup-completion-callback-to-complete-mesh-.patch
@@ -0,0 +1,124 @@
+From c05ace7510ead96e72b97ce47b33f7b5865d6d36 Mon Sep 17 00:00:00 2001
+From: Peter Oh <peter.oh@bowerswilkins.com>
+Date: Mon, 27 Aug 2018 14:28:38 -0700
+Subject: [PATCH 1/7] mesh: use setup completion callback to complete mesh join
+
+mesh join function is the last function to be called during
+mesh join process, but it's been called a bit earlier than
+it's supposed to be, so that some mesh parameter values
+such as VHT capabilities not applied correct when mesh join
+is in process.
+Moreover current design of mesh join that is called directly
+after mesh initialization isn't suitable for DFS channels to use,
+since mesh join process should be paused until DFS CAC is
+done and resumed after it's done.
+The callback will be called by hostapd_setup_interface_complete_sync.
+There is possiblity that completing mesh init fails, so add error
+handle codes.
+
+Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
+Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
+---
+ src/ap/hostapd.c      | 11 ++++++++++-
+ wpa_supplicant/mesh.c | 13 +++++++------
+ 2 files changed, 17 insertions(+), 7 deletions(-)
+
+--- a/src/ap/hostapd.c
++++ b/src/ap/hostapd.c
+@@ -434,6 +434,8 @@ static void hostapd_free_hapd_data(struc
+ #ifdef CONFIG_MESH
+ 	wpabuf_free(hapd->mesh_pending_auth);
+ 	hapd->mesh_pending_auth = NULL;
++	/* handling setup failure is already done */
++	hapd->setup_complete_cb = NULL;
+ #endif /* CONFIG_MESH */
+ 
+ 	hostapd_clean_rrm(hapd);
+@@ -2145,6 +2147,13 @@ dfs_offload:
+ 	if (hapd->setup_complete_cb)
+ 		hapd->setup_complete_cb(hapd->setup_complete_cb_ctx);
+ 
++#ifdef CONFIG_MESH
++	if (delay_apply_cfg && !iface->mconf) {
++		wpa_printf(MSG_ERROR, "Error while completing mesh init");
++		goto fail;
++	}
++#endif /* CONFIG_MESH */
++
+ 	wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
+ 		   iface->bss[0]->conf->iface);
+ 	if (iface->interfaces && iface->interfaces->terminate_on_error > 0)
+@@ -2288,7 +2297,7 @@ int hostapd_setup_interface(struct hosta
+ 	ret = setup_interface(iface);
+ 	if (ret) {
+ 		wpa_printf(MSG_ERROR, "%s: Unable to setup interface.",
+-			   iface->bss[0]->conf->iface);
++			   iface->conf ? iface->conf->bss[0]->iface : "N/A");
+ 		return -1;
+ 	}
+ 
+--- a/wpa_supplicant/mesh.c
++++ b/wpa_supplicant/mesh.c
+@@ -194,8 +194,9 @@ static int wpas_mesh_init_rsn(struct wpa
+ }
+ 
+ 
+-static int wpas_mesh_complete(struct wpa_supplicant *wpa_s)
++static void wpas_mesh_complete_cb(void *ctx)
+ {
++	struct wpa_supplicant *wpa_s = ctx;
+ 	struct hostapd_iface *ifmsh = wpa_s->ifmsh;
+ 	struct wpa_driver_mesh_join_params *params = wpa_s->mesh_params;
+ 	struct wpa_ssid *ssid = wpa_s->current_ssid;
+@@ -204,7 +205,7 @@ static int wpas_mesh_complete(struct wpa
+ 	if (!params || !ssid || !ifmsh) {
+ 		wpa_printf(MSG_ERROR, "mesh: %s called without active mesh",
+ 			   __func__);
+-		return -1;
++		return;
+ 	}
+ 
+ 	if (ifmsh->mconf->security != MESH_CONF_SEC_NONE &&
+@@ -213,7 +214,7 @@ static int wpas_mesh_complete(struct wpa
+ 			   "mesh: RSN initialization failed - deinit mesh");
+ 		wpa_supplicant_mesh_deinit(wpa_s);
+ 		wpa_drv_leave_mesh(wpa_s);
+-		return -1;
++		return;
+ 	}
+ 
+ 	if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
+@@ -239,8 +240,6 @@ static int wpas_mesh_complete(struct wpa
+ 
+ 	if (!ret)
+ 		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
+-
+-	return ret;
+ }
+ 
+ 
+@@ -267,6 +266,7 @@ static int wpa_supplicant_mesh_init(stru
+ 	if (!ifmsh)
+ 		return -ENOMEM;
+ 
++	ifmsh->owner = wpa_s;
+ 	ifmsh->drv_flags = wpa_s->drv_flags;
+ 	ifmsh->drv_flags2 = wpa_s->drv_flags2;
+ 	ifmsh->num_bss = 1;
+@@ -285,6 +285,8 @@ static int wpa_supplicant_mesh_init(stru
+ 	bss->drv_priv = wpa_s->drv_priv;
+ 	bss->iface = ifmsh;
+ 	bss->mesh_sta_free_cb = mesh_mpm_free_sta;
++	bss->setup_complete_cb = wpas_mesh_complete_cb;
++	bss->setup_complete_cb_ctx = wpa_s;
+ 	frequency = ssid->frequency;
+ 	if (frequency != freq->freq &&
+ 	    frequency == freq->freq + freq->sec_channel_offset * 20) {
+@@ -526,7 +528,6 @@ int wpa_supplicant_join_mesh(struct wpa_
+ 		goto out;
+ 	}
+ 
+-	ret = wpas_mesh_complete(wpa_s);
+ out:
+ 	return ret;
+ }