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