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51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
#pragma once
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/* Copyright © 2011 Lukas Martini
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*
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* This file is part of Xelix.
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*
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* Xelix is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Xelix is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Xelix. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <lib/generic.h>
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#include <net/net.h>
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#define IP4_TOS_ICMP 0
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typedef uint32_t ip4_addr_t;
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typedef struct {
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unsigned int hl:4; /* both fields are 4 bits */
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unsigned int version:4;
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uint8_t tos;
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uint16_t len;
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uint16_t id;
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uint16_t off;
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uint8_t ttl;
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uint8_t p;
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uint16_t checksum;
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ip4_addr_t src;
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ip4_addr_t dst;
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} ip4_header_t;
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typedef struct {
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uint8_t type;
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uint8_t code;
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uint16_t checksum;
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uint16_t id;
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uint16_t sequence;
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} ip4_icmp_header_t;
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void ip4_receive(net_device_t* origin, net_l2proto_t proto, size_t size, void* raw);
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