summaryrefslogtreecommitdiffstats
path: root/lib/src/protocol/icmp.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/src/protocol/icmp.h')
-rwxr-xr-xlib/src/protocol/icmp.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/src/protocol/icmp.h b/lib/src/protocol/icmp.h
new file mode 100755
index 000000000..5a84995b6
--- /dev/null
+++ b/lib/src/protocol/icmp.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * 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.
+ */
+
+/**
+ * @file protocol/icmp.h
+ * @brief ICMP packet header
+ */
+#ifndef HICN_PROTOCOL_ICMP_H
+#define HICN_PROTOCOL_ICMP_H
+
+#include "../common.h"
+
+typedef struct
+{
+ u8 type;
+ u8 code;
+ u16 csum;
+} _icmp_header_t;
+
+typedef struct
+{
+ u8 type;
+ u8 code;
+ u16 csum;
+ union
+ {
+ struct
+ {
+ u16 id;
+ u16 sequence;
+ } echo; /* echo datagram */
+ u32 gateway; /* gateway address */
+ struct
+ {
+ u16 _unused;
+ u16 mtu;
+ } frag; /* path mtu discovery */
+ struct
+ {
+ u16 expected_lbl;
+ u16 received_lbl;
+ } wldr_notification_lbl;
+ };
+} _icmp_wldr_header_t;
+
+#define ICMP_HDRLEN sizeof(_icmp_header_t)
+
+#endif /* HICN_PROTOCOL_ICMP_H */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */