1 files changed, 0 insertions, 77 deletions
diff --git a/common/libs/utils/network.cpp b/common/libs/utils/network.cpp
deleted file mode 100644
index f4943ed9..00000000
--- a/common/libs/utils/network.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "common/libs/utils/network.h"
-
-#include <linux/if.h>
-#include <linux/if_tun.h>
-#include <string.h>
-
-#include "common/libs/glog/logging.h"
-
-namespace cvd {
-namespace {
-// This should be the size of virtio_net_hdr_v1, from linux/virtio_net.h, but
-// the version of that header that ships with android in Pie does not include
-// that struct (it was added in Q).
-// This is what that struct looks like:
-// struct virtio_net_hdr_v1 {
-// u8 flags;
-// u8 gso_type;
-// u16 hdr_len;
-// u16 gso_size;
-// u16 csum_start;
-// u16 csum_offset;
-// u16 num_buffers;
-// };
-static constexpr int SIZE_OF_VIRTIO_NET_HDR_V1 = 12;
-}  // namespace
-
-SharedFD OpenTapInterface(const std::string& interface_name) {
-  constexpr auto TUNTAP_DEV = "/dev/net/tun";
-
-  auto tap_fd = SharedFD::Open(TUNTAP_DEV, O_RDWR | O_NONBLOCK);
-  if (!tap_fd->IsOpen()) {
-    LOG(ERROR) << "Unable to open tun device: " << tap_fd->StrError();
-    return tap_fd;
-  }
-
-  struct ifreq ifr;
-  memset(&ifr, 0, sizeof(ifr));
-  ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_VNET_HDR;
-  strncpy(ifr.ifr_name, interface_name.c_str(), IFNAMSIZ);
-
-  int err = tap_fd->Ioctl(TUNSETIFF, &ifr);
-  if (err < 0) {
-    LOG(ERROR) << "Unable to connect to " << interface_name
-               << " tap interface: " << tap_fd->StrError();
-    tap_fd->Close();
-    return cvd::SharedFD();
-  }
-
-  // The interface's configuration may have been modified or just not set
-  // correctly on creation. While qemu checks this and enforces the right
-  // configuration, crosvm does not, so it needs to be set before it's passed to
-  // it.
-  tap_fd->Ioctl(TUNSETOFFLOAD,
-                reinterpret_cast<void*>(TUN_F_CSUM | TUN_F_UFO | TUN_F_TSO4 |
-                                        TUN_F_TSO6));
-  int len = SIZE_OF_VIRTIO_NET_HDR_V1;
-  tap_fd->Ioctl(TUNSETVNETHDRSZ, &len);
-
-  return tap_fd;
-}
-}  // namespace cvd