1 files changed, 44 insertions, 0 deletions
diff --git a/src/seastar/include/seastar/net/const.hh b/src/seastar/include/seastar/net/const.hh
new file mode 100644
index 000000000..7a79b85d3
--- /dev/null
+++ b/src/seastar/include/seastar/net/const.hh
@@ -0,0 +1,44 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+namespace seastar {
+
+namespace net {
+
+enum class ip_protocol_num : uint8_t {
+    icmp = 1, tcp = 6, udp = 17, unused = 255
+};
+
+enum class eth_protocol_num : uint16_t {
+    ipv4 = 0x0800, arp = 0x0806, ipv6 = 0x86dd
+};
+
+const uint8_t eth_hdr_len = 14;
+const uint8_t tcp_hdr_len_min = 20;
+const uint8_t ipv4_hdr_len_min = 20;
+const uint8_t ipv6_hdr_len_min = 40;
+const uint16_t ip_packet_len_max = 65535;
+
+}
+
+}