remove ceph code

[stor4nfv.git] / src / ceph / src / msg / async / dpdk / IPChecksum.cc

diff --git a/src/ceph/src/msg/async/dpdk/IPChecksum.cc b/src/ceph/src/msg/async/dpdk/IPChecksum.cc
deleted file mode 100644 (file)
index 5048a69..0000000
--- a/src/ceph/src/msg/async/dpdk/IPChecksum.cc
+++ /dev/null
@@ -1,83 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-/*
- * This file is open source software, licensed to you under the terms
- * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
- * distributed with this work for additional information regarding copyright
- * ownership.  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.
- */
-/*
- * Copyright (C) 2014 Cloudius Systems, Ltd.
- */
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2015 XSky <haomai@xsky.com>
- *
- * Author: Haomai Wang <haomaiwang@gmail.com>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation.  See file COPYING.
- *
- */
-
-#include <arpa/inet.h>
-#include "net.h"
-#include "IPChecksum.h"
-
-void checksummer::sum(const char* data, size_t len) {
-  auto orig_len = len;
-  if (odd) {
-    csum += uint8_t(*data++);
-    --len;
-  }
-  auto p64 = reinterpret_cast<const uint64_t*>(data);
-  while (len >= 8) {
-    csum += ntohq(*p64++);
-    len -= 8;
-  }
-  auto p16 = reinterpret_cast<const uint16_t*>(p64);
-  while (len >= 2) {
-    csum += ntohs(*p16++);
-    len -= 2;
-  }
-  auto p8 = reinterpret_cast<const uint8_t*>(p16);
-  if (len) {
-    csum += *p8++ << 8;
-    len -= 1;
-  }
-  odd ^= orig_len & 1;
-}
-
-uint16_t checksummer::get() const {
-  __int128 csum1 = (csum & 0xffffffffffffffff) + (csum >> 64);
-  uint64_t csum = (csum1 & 0xffffffffffffffff) + (csum1 >> 64);
-  csum = (csum & 0xffff) + ((csum >> 16) & 0xffff) + ((csum >> 32) & 0xffff) + (csum >> 48);
-  csum = (csum & 0xffff) + (csum >> 16);
-  csum = (csum & 0xffff) + (csum >> 16);
-  return htons(~csum);
-}
-
-void checksummer::sum(const Packet& p) {
-  for (auto&& f : p.fragments()) {
-    sum(f.base, f.size);
-  }
-}
-
-uint16_t ip_checksum(const void* data, size_t len) {
-  checksummer cksum;
-  cksum.sum(reinterpret_cast<const char*>(data), len);
-  return cksum.get();
-}