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Services/UDS: Implement RecvBeaconBroadcastData.

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This allows the applications to retrieve 802.11 beacon frames from nearby UDS networks.
Note that the networks are still not announced anywhere.
This commit is contained in:
Subv 2017-03-19 21:38:24 -05:00
parent 528dea988c
commit 846cc6cee3
1 changed files with 69 additions and 19 deletions
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88
src/core/hle/service/nwm/nwm_uds.cpp
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@ -86,29 +86,79 @@ static void Shutdown(Interface* self) {
* 1 : Result of function, 0 on success, otherwise error code
*/
static void RecvBeaconBroadcastData(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 out_buffer_size = cmd_buff[1];
u32 unk1 = cmd_buff[2];
u32 unk2 = cmd_buff[3];
u32 mac_address = cmd_buff[4];
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x0F, 16, 4);
u32 unk3 = cmd_buff[6];
u32 out_buffer_size = rp.Pop<u32>();
rp.Pop<u32>();
rp.Pop<u32>();
u32 wlan_comm_id = cmd_buff[15];
u32 ctr_gen_id = cmd_buff[16];
u32 value = cmd_buff[17];
u32 input_handle = cmd_buff[18];
u32 new_buffer_size = cmd_buff[19];
u32 out_buffer_ptr = cmd_buff[20];
MacAddress mac_address;
rp.PopRaw(mac_address);
cmd_buff[1] = RESULT_SUCCESS.raw;
// TODO(Subv): Use IPC::RequestParser::Skip when possible.
rp.Pop<u32>();
rp.Pop<u32>();
rp.Pop<u32>();
rp.Pop<u32>();
rp.Pop<u32>();
rp.Pop<u32>();
rp.Pop<u32>();
rp.Pop<u32>();
rp.Pop<u32>();
LOG_WARNING(Service_NWM,
"(STUBBED) called out_buffer_size=0x%08X, unk1=0x%08X, unk2=0x%08X,"
"mac_address=0x%08X, unk3=0x%08X, wlan_comm_id=0x%08X, ctr_gen_id=0x%08X,"
"value=%u, input_handle=0x%08X, new_buffer_size=0x%08X, out_buffer_ptr=0x%08X",
out_buffer_size, unk1, unk2, mac_address, unk3, wlan_comm_id, ctr_gen_id, value,
input_handle, new_buffer_size, out_buffer_ptr);
u32 wlan_comm_id = rp.Pop<u32>();
u32 id = rp.Pop<u32>();
Kernel::Handle input_handle = rp.PopHandle();
size_t desc_size;
const VAddr out_buffer_ptr = rp.PopMappedBuffer(&desc_size);
ASSERT(desc_size == out_buffer_size);
VAddr current_buffer_pos = out_buffer_ptr;
u32 total_size = sizeof(BeaconDataReplyHeader);
// Retrieve all beacon frames that were received from the desired mac address.
std::deque<WifiPacket> beacons =
GetReceivedPackets(WifiPacket::PacketType::Beacon, mac_address);
BeaconDataReplyHeader data_reply_header{};
data_reply_header.total_entries = beacons.size();
data_reply_header.max_output_size = out_buffer_size;
Memory::WriteBlock(current_buffer_pos, &data_reply_header, sizeof(BeaconDataReplyHeader));
current_buffer_pos += sizeof(BeaconDataReplyHeader);
// Write each of the received beacons into the buffer
for (const auto& beacon : beacons) {
BeaconEntryHeader entry{};
// TODO(Subv): Figure out what this size is used for.
entry.unk_size = sizeof(BeaconEntryHeader) + beacon.data.size();
entry.total_size = sizeof(BeaconEntryHeader) + beacon.data.size();
entry.wifi_channel = beacon.channel;
entry.header_size = sizeof(BeaconEntryHeader);
entry.mac_address = beacon.transmitter_address;
ASSERT(current_buffer_pos < out_buffer_ptr + out_buffer_size);
Memory::WriteBlock(current_buffer_pos, &entry, sizeof(BeaconEntryHeader));
current_buffer_pos += sizeof(BeaconEntryHeader);
Memory::WriteBlock(current_buffer_pos, beacon.data.data(), beacon.data.size());
current_buffer_pos += beacon.data.size();
total_size += sizeof(BeaconEntryHeader) + beacon.data.size();
}
// Update the total size in the structure and write it to the buffer again.
data_reply_header.total_size = total_size;
Memory::WriteBlock(out_buffer_ptr, &data_reply_header, sizeof(BeaconDataReplyHeader));
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_DEBUG(Service_NWM, "called out_buffer_size=0x%08X, wlan_comm_id=0x%08X, id=0x%08X,"
"input_handle=0x%08X, out_buffer_ptr=0x%08X",
out_buffer_size, wlan_comm_id, id, input_handle, out_buffer_ptr);
}
/**