[PATCH 1/2] TDLS: Added dbus method to enable channel switching with TDLS peer
Nishant Chaprana
n.chaprana at samsung.com
Thu Apr 13 05:09:00 PDT 2017
Description: This patch adds "TDLSChannelSwitch" dbus method on
"fi.w1.wpa_supplicant1.Interface" interface to enable
channel switching with TDLS peer.
Signed-off-by: Nishant Chaprana <n.chaprana at samsung.com>
---
wpa_supplicant/dbus/dbus_new.c | 7 ++
wpa_supplicant/dbus/dbus_new_handlers.c | 130 ++++++++++++++++++++++++++++++++
wpa_supplicant/dbus/dbus_new_handlers.h | 2 +
3 files changed, 139 insertions(+)
diff --git a/wpa_supplicant/dbus/dbus_new.c b/wpa_supplicant/dbus/dbus_new.c
index 0c355f7..0dce09e 100644
--- a/wpa_supplicant/dbus/dbus_new.c
+++ b/wpa_supplicant/dbus/dbus_new.c
@@ -3086,6 +3086,13 @@ static const struct wpa_dbus_method_desc wpas_dbus_interface_methods[] = {
END_ARGS
}
},
+ { "TDLSChannelSwitch", WPAS_DBUS_NEW_IFACE_INTERFACE,
+ (WPADBusMethodHandler) wpas_dbus_handler_tdls_channel_switch,
+ {
+ { "args", "a{sv}", ARG_IN },
+ END_ARGS
+ }
+ },
#endif /* CONFIG_TDLS */
{ "VendorElemAdd", WPAS_DBUS_NEW_IFACE_INTERFACE,
(WPADBusMethodHandler) wpas_dbus_handler_vendor_elem_add,
diff --git a/wpa_supplicant/dbus/dbus_new_handlers.c b/wpa_supplicant/dbus/dbus_new_handlers.c
index 56e6aab..9092e7a 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers.c
+++ b/wpa_supplicant/dbus/dbus_new_handlers.c
@@ -2292,6 +2292,136 @@ DBusMessage * wpas_dbus_handler_tdls_teardown(DBusMessage *message,
return NULL;
}
+/*
+ * wpas_dbus_handler_tdls_channel_switch - Enable channel switching with TDLS peer
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * Returns: NULL indicating success or DBus error message on failure
+ *
+ * Handler function for "TDLSChannelSwitch" method call of network interface.
+ */
+DBusMessage * wpas_dbus_handler_tdls_channel_switch(DBusMessage *message,
+ struct wpa_supplicant *wpa_s)
+{
+ DBusMessageIter iter, iter_dict;
+ struct wpa_dbus_dict_entry entry;
+ u8 peer[ETH_ALEN];
+ struct hostapd_freq_params freq_params;
+ u8 oper_class = 0;
+ int ret;
+ int is_peer_present = 0;
+
+ if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
+ wpa_printf(MSG_INFO,
+ "tdls_chanswitch: Only supported with external setup");
+ return wpas_dbus_error_unknown_error(message, "tdls is not external setup");
+ }
+
+ os_memset(&freq_params, 0, sizeof(freq_params));
+
+ dbus_message_iter_init(message, &iter);
+
+ if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+ return wpas_dbus_error_invalid_args(message, NULL);
+
+ while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+ if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+ return wpas_dbus_error_invalid_args(message, NULL);
+
+ if (os_strcmp(entry.key, "PeerAddress") == 0 &&
+ entry.type == DBUS_TYPE_STRING) {
+ if (hwaddr_aton(entry.str_value, peer)) {
+ wpa_printf(MSG_DEBUG,
+ "tdls_chanswitch: Invalid address '%s'",
+ entry.str_value);
+ wpa_dbus_dict_entry_clear(&entry);
+ return wpas_dbus_error_invalid_args(message,
+ NULL);
+ }
+
+ wpa_dbus_dict_entry_clear(&entry);
+ is_peer_present = 1;
+
+ } else if (os_strcmp(entry.key, "OperClass") == 0 &&
+ entry.type == DBUS_TYPE_BYTE) {
+ oper_class = entry.int32_value;
+ wpa_dbus_dict_entry_clear(&entry);
+
+ } else if (os_strcmp(entry.key, "Frequency") == 0 &&
+ entry.type == DBUS_TYPE_INT32) {
+ freq_params.freq = entry.int32_value;
+ wpa_dbus_dict_entry_clear(&entry);
+
+ } else if (os_strcmp(entry.key, "SecChannelOffset") == 0 &&
+ entry.type == DBUS_TYPE_INT32) {
+ freq_params.sec_channel_offset = entry.int32_value;
+ wpa_dbus_dict_entry_clear(&entry);
+
+ } else if (os_strcmp(entry.key, "CenterFrequency1") == 0 &&
+ entry.type == DBUS_TYPE_INT32) {
+ freq_params.center_freq1 = entry.int32_value;
+ wpa_dbus_dict_entry_clear(&entry);
+
+ } else if (os_strcmp(entry.key, "CenterFrequency2") == 0 &&
+ entry.type == DBUS_TYPE_INT32) {
+ freq_params.center_freq2 = entry.int32_value;
+ wpa_dbus_dict_entry_clear(&entry);
+
+ } else if (os_strcmp(entry.key, "Bandwidth") == 0 &&
+ entry.type == DBUS_TYPE_INT32) {
+ freq_params.bandwidth = entry.int32_value;
+ wpa_dbus_dict_entry_clear(&entry);
+
+ } else if (os_strcmp(entry.key, "HT") == 0 &&
+ entry.type == DBUS_TYPE_BOOLEAN) {
+ freq_params.ht_enabled = entry.bool_value;
+ wpa_dbus_dict_entry_clear(&entry);
+
+ } else if (os_strcmp(entry.key, "VHT") == 0 &&
+ entry.type == DBUS_TYPE_BOOLEAN) {
+ freq_params.vht_enabled = entry.bool_value;
+ wpa_dbus_dict_entry_clear(&entry);
+
+ } else {
+ wpa_dbus_dict_entry_clear(&entry);
+ return wpas_dbus_error_invalid_args(message, NULL);
+ }
+ }
+
+ if (oper_class == 0) {
+ wpa_printf(MSG_INFO,
+ "tdls_chanswitch: Invalid op class provided");
+ return wpas_dbus_error_invalid_args(message, "Invalid op class provided");
+ }
+
+ if (freq_params.freq == 0) {
+ wpa_printf(MSG_INFO,
+ "tdls_chanswitch: Invalid freq provided");
+ return wpas_dbus_error_invalid_args(message, "Invalid freq provided");
+ }
+
+ if (is_peer_present == 0) {
+ wpa_printf(MSG_DEBUG,
+ "tdls_chanswitch: peer address not provided");
+ return wpas_dbus_error_invalid_args(message, "peer address not provided");
+ }
+
+ wpa_printf(MSG_DEBUG, "DBUS TDLS_CHAN_SWITCH " MACSTR
+ " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
+ MAC2STR(peer), oper_class, freq_params.freq,
+ freq_params.center_freq1, freq_params.center_freq2,
+ freq_params.bandwidth, freq_params.sec_channel_offset,
+ freq_params.ht_enabled ? " HT" : "",
+ freq_params.vht_enabled ? " VHT" : "");
+
+ ret = wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
+ &freq_params);
+ if (ret)
+ return wpas_dbus_error_unknown_error(message, "error processing TDLS channel switch");
+
+ return NULL;
+}
+
#endif /* CONFIG_TDLS */
diff --git a/wpa_supplicant/dbus/dbus_new_handlers.h b/wpa_supplicant/dbus/dbus_new_handlers.h
index 3b8f096..3987c07 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers.h
+++ b/wpa_supplicant/dbus/dbus_new_handlers.h
@@ -213,6 +213,8 @@ DBusMessage * wpas_dbus_handler_tdls_status(DBusMessage *message,
struct wpa_supplicant *wpa_s);
DBusMessage * wpas_dbus_handler_tdls_teardown(DBusMessage *message,
struct wpa_supplicant *wpa_s);
+DBusMessage * wpas_dbus_handler_tdls_channel_switch(DBusMessage *message,
+ struct wpa_supplicant *wpa_s);
DBusMessage * wpas_dbus_handler_vendor_elem_add(DBusMessage *message,
struct wpa_supplicant *wpa_s);
--
1.9.1
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