wifi: Add provision to create/delete dynamic interface(s)
This commit does following:
create/delete softap interface at runtime, if needed.
create/delete station interface at runtime, if needed.
Bug: 146539882
Bug: 121156971
Test: Manual - Basic wifi sanity test.
Change-Id: I6ab9c9e134d2f09e27283c9e60df885392834de4
Signed-off-by: Vinay Gannevaram <quic_vganneva@quicinc.com>
diff --git a/wifi/1.4/default/wifi_legacy_hal.cpp b/wifi/1.4/default/wifi_legacy_hal.cpp
index 3ca3226..a040c89 100644
--- a/wifi/1.4/default/wifi_legacy_hal.cpp
+++ b/wifi/1.4/default/wifi_legacy_hal.cpp
@@ -19,6 +19,7 @@
#include <android-base/logging.h>
#include <cutils/properties.h>
+#include <net/if.h>
#include "hidl_sync_util.h"
#include "wifi_legacy_hal.h"
@@ -1355,6 +1356,7 @@
LOG(ERROR) << "Failed to enumerate interface handles";
return status;
}
+ iface_name_to_handle_.clear();
for (int i = 0; i < num_iface_handles; ++i) {
std::array<char, IFNAMSIZ> iface_name_arr = {};
status = global_func_table_.wifi_get_iface_name(
@@ -1421,6 +1423,39 @@
return {status, std::move(cached_scan_results)};
}
+wifi_error WifiLegacyHal::createVirtualInterface(const std::string& ifname,
+ wifi_interface_type iftype) {
+ // Create the interface if it doesn't exist. If interface already exist,
+ // Vendor Hal should return WIFI_SUCCESS.
+ wifi_error status = global_func_table_.wifi_virtual_interface_create(
+ global_handle_, ifname.c_str(), iftype);
+ return handleVirtualInterfaceCreateOrDeleteStatus(ifname, status);
+}
+
+wifi_error WifiLegacyHal::deleteVirtualInterface(const std::string& ifname) {
+ // Delete the interface if it was created dynamically.
+ wifi_error status = global_func_table_.wifi_virtual_interface_delete(
+ global_handle_, ifname.c_str());
+ return handleVirtualInterfaceCreateOrDeleteStatus(ifname, status);
+}
+
+wifi_error WifiLegacyHal::handleVirtualInterfaceCreateOrDeleteStatus(
+ const std::string& ifname, wifi_error status) {
+ if (status == WIFI_SUCCESS) {
+ // refresh list of handlers now.
+ status = retrieveIfaceHandles();
+ } else if (status == WIFI_ERROR_NOT_SUPPORTED) {
+ // Vendor hal does not implement this API. Such vendor implementations
+ // are expected to create / delete interface by other means.
+
+ // check if interface exists.
+ if (if_nametoindex(ifname.c_str())) {
+ status = retrieveIfaceHandles();
+ }
+ }
+ return status;
+}
+
void WifiLegacyHal::invalidate() {
global_handle_ = nullptr;
iface_name_to_handle_.clear();