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author | Luca Muscariello <lumuscar+fdio@cisco.com> | 2019-01-17 13:47:57 +0100 |
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committer | Luca Muscariello <lumuscar+fdio@cisco.com> | 2019-01-17 16:32:51 +0100 |
commit | bac3da61644515f05663789b122554dc77549286 (patch) | |
tree | 898210bc8e70371d77de7d446a26c5dd4fd1165a /lib/src/protocol/icmp.h | |
parent | d5165246787301d0f13b646fda5e8a8567aef5ac (diff) |
This is the first commit of the hicn projectv19.01
Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
Diffstat (limited to 'lib/src/protocol/icmp.h')
-rwxr-xr-x | lib/src/protocol/icmp.h | 68 |
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: + */ |