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			51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #pragma once
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| 
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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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| 
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| #include <lib/generic.h>
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| #include <net/net.h>
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| 
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| #define IP4_TOS_ICMP 0
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| 
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| typedef uint32_t ip4_addr_t;
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| 
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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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| 
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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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| 
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| void ip4_receive(net_device_t* origin, net_l2proto_t proto, size_t size, void* raw);
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