From facf2c728a59af817aad9fe70d23d8b2519d8a94 Mon Sep 17 00:00:00 2001
From: David Spinadel <david.spinadel@intel.com>
Date: Mon, 15 Feb 2016 16:53:22 +0200
Subject: [PATCH] MBO: Add non-preferred channel configuration in
 wpa_supplicant

Add non-preferred channel configuration to wpa_config for MBO.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
---
 wpa_supplicant/Android.mk          |  4 ++++
 wpa_supplicant/Makefile            |  4 ++++
 wpa_supplicant/android.config      |  3 +++
 wpa_supplicant/config.c            |  6 ++++++
 wpa_supplicant/config.h            | 10 ++++++++++
 wpa_supplicant/config_file.c       |  6 ++++++
 wpa_supplicant/defconfig           |  3 +++
 wpa_supplicant/wpa_supplicant.conf |  8 ++++++++
 8 files changed, 44 insertions(+)

diff --git a/wpa_supplicant/Android.mk b/wpa_supplicant/Android.mk
index 72af838cd..ac62f41b2 100644
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
@@ -822,6 +822,10 @@ L_CFLAGS += -DCONFIG_IEEE80211AC
 endif
 endif
 
+ifdef CONFIG_MBO
+L_CFLAGS += -DCONFIG_MBO
+endif
+
 ifdef NEED_AP_MLME
 OBJS += src/ap/wmm.c
 OBJS += src/ap/ap_list.c
diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
index 234a0bf4b..bf2c0aaf6 100644
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -864,6 +864,10 @@ CFLAGS += -DCONFIG_IEEE80211AC
 endif
 endif
 
+ifdef CONFIG_MBO
+CFLAGS += -DCONFIG_MBO
+endif
+
 ifdef NEED_AP_MLME
 OBJS += ../src/ap/wmm.o
 OBJS += ../src/ap/ap_list.o
diff --git a/wpa_supplicant/android.config b/wpa_supplicant/android.config
index e9c0a0103..190bc5ac5 100644
--- a/wpa_supplicant/android.config
+++ b/wpa_supplicant/android.config
@@ -482,4 +482,7 @@ CONFIG_WIFI_DISPLAY=y
 # Enable Fast Session Transfer (FST)
 #CONFIG_FST=y
 
+# Support Multi Band Operation
+#CONFIG_MBO=y
+
 include $(wildcard $(LOCAL_PATH)/android_config_*.inc)
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index e345895d0..3319ed18f 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -2286,6 +2286,9 @@ void wpa_config_free(struct wpa_config *config)
 	os_free(config->wowlan_triggers);
 	os_free(config->fst_group_id);
 	os_free(config->sched_scan_plans);
+#ifdef CONFIG_MBO
+	os_free(config->non_pref_chan);
+#endif /* CONFIG_MBO */
 
 	os_free(config);
 }
@@ -4265,6 +4268,9 @@ static const struct global_parse_data global_fields[] = {
 #endif /* CONFIG_FST */
 	{ INT_RANGE(wpa_rsc_relaxation, 0, 1), 0 },
 	{ STR(sched_scan_plans), CFG_CHANGED_SCHED_SCAN_PLANS },
+#ifdef CONFIG_MBO
+	{ STR(non_pref_chan), 0 },
+#endif /*CONFIG_MBO */
 };
 
 #undef FUNC
diff --git a/wpa_supplicant/config.h b/wpa_supplicant/config.h
index 86f940d35..27e9b9839 100644
--- a/wpa_supplicant/config.h
+++ b/wpa_supplicant/config.h
@@ -1275,6 +1275,16 @@ struct wpa_config {
 	 * format: <interval:iterations> <interval2:iterations2> ... <interval>
 	 */
 	 char *sched_scan_plans;
+
+#ifdef CONFIG_MBO
+	/**
+	 * non_pref_chan - Non-preferred channels list, separated by spaces.
+	 *
+	 * format: op_class:chan:preference:reason<:detail>
+	 * Detail is optional.
+	 */
+	char *non_pref_chan;
+#endif /* CONFIG_MBO */
 };
 
 
diff --git a/wpa_supplicant/config_file.c b/wpa_supplicant/config_file.c
index a1eb69176..07822ef41 100644
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -1327,6 +1327,12 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 
 	if (config->sched_scan_plans)
 		fprintf(f, "sched_scan_plans=%s\n", config->sched_scan_plans);
+
+#ifdef CONFIG_MBO
+	if (config->non_pref_chan)
+		fprintf(f, "non_pref_chan=%s\n", config->non_pref_chan);
+#endif /* CONFIG_MBO */
+
 }
 
 #endif /* CONFIG_NO_CONFIG_WRITE */
diff --git a/wpa_supplicant/defconfig b/wpa_supplicant/defconfig
index a615c7cea..79632e686 100644
--- a/wpa_supplicant/defconfig
+++ b/wpa_supplicant/defconfig
@@ -542,3 +542,6 @@ CONFIG_PEERKEY=y
 # For more details refer to:
 # http://wireless.kernel.org/en/users/Documentation/acs
 #CONFIG_ACS=y
+
+# Support Multi Band Operation
+#CONFIG_MBO=y
diff --git a/wpa_supplicant/wpa_supplicant.conf b/wpa_supplicant/wpa_supplicant.conf
index 478cb828f..a6e7bb9e4 100644
--- a/wpa_supplicant/wpa_supplicant.conf
+++ b/wpa_supplicant/wpa_supplicant.conf
@@ -641,6 +641,14 @@ fast_reauth=1
 # Example:
 # sched_scan_plans=10:100 20:200 30
 
+# Multi Band Operation (MBO) non-preferred channels
+# A space delimited list of non-preferred channels where each channel is a colon
+# delimited list of values. Reason detail is optional.
+# Format:
+# non_pref_chan=<oper_class>:<chan>:<preference>:<reason>[:reason_detail]
+# Example:
+# non_pref_chan="81:5:10:2:0 81:1:0:2:0 81:9:0:2"
+
 # network block
 #
 # Each network (usually AP's sharing the same SSID) is configured as a separate