Rewrite from scratch a TCP/IP stack for mbed. So far the following parts are usable: Drivers: - EMAC driver (from CMSIS 2.0) Protocols: - Ethernet protocol - ARP over ethernet for IPv4 - IPv4 over Ethernet - ICMPv4 over IPv4 - UDPv4 over IPv4 APIs: - Sockets for UDPv4 The structure of this stack is designed to be very modular. Each protocol can register one or more protocol to handle its payload, and in each protocol, an API can be hooked (like Sockets for example). This is an early release.
IPv4.h@0:19f5f51584de, 2011-06-12 (annotated)
- Committer:
- Benoit
- Date:
- Sun Jun 12 11:23:03 2011 +0000
- Revision:
- 0:19f5f51584de
- Child:
- 1:f4040665bc61
Initial release (alpha quality)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Benoit | 0:19f5f51584de | 1 | /* |
Benoit | 0:19f5f51584de | 2 | * $Id: IPv4.h 27 2011-06-09 12:55:57Z benoit $ |
Benoit | 0:19f5f51584de | 3 | * $Author: benoit $ |
Benoit | 0:19f5f51584de | 4 | * $Date: 2011-06-09 14:55:57 +0200 (jeu., 09 juin 2011) $ |
Benoit | 0:19f5f51584de | 5 | * $Rev: 27 $ |
Benoit | 0:19f5f51584de | 6 | * |
Benoit | 0:19f5f51584de | 7 | * |
Benoit | 0:19f5f51584de | 8 | * |
Benoit | 0:19f5f51584de | 9 | * |
Benoit | 0:19f5f51584de | 10 | * |
Benoit | 0:19f5f51584de | 11 | */ |
Benoit | 0:19f5f51584de | 12 | |
Benoit | 0:19f5f51584de | 13 | #ifndef __IPV4_H__ |
Benoit | 0:19f5f51584de | 14 | #define __IPV4_H__ |
Benoit | 0:19f5f51584de | 15 | |
Benoit | 0:19f5f51584de | 16 | #include "NetIF.h" |
Benoit | 0:19f5f51584de | 17 | |
Benoit | 0:19f5f51584de | 18 | |
Benoit | 0:19f5f51584de | 19 | #define IPV4_PROTO_ICMPV4 1 |
Benoit | 0:19f5f51584de | 20 | #define IPV4_PROTO_TCPV4 6 |
Benoit | 0:19f5f51584de | 21 | #define IPV4_PROTO_UDPV4 17 |
Benoit | 0:19f5f51584de | 22 | |
Benoit | 0:19f5f51584de | 23 | |
Benoit | 0:19f5f51584de | 24 | #define IPV4_VERSION 4 |
Benoit | 0:19f5f51584de | 25 | #define IPV4_FLAG_DF 0x02 |
Benoit | 0:19f5f51584de | 26 | #define IPV4_FLAG_MF 0x04 |
Benoit | 0:19f5f51584de | 27 | |
Benoit | 0:19f5f51584de | 28 | typedef uint16_t IPv4_Proto_t; |
Benoit | 0:19f5f51584de | 29 | |
Benoit | 0:19f5f51584de | 30 | |
Benoit | 0:19f5f51584de | 31 | #pragma push |
Benoit | 0:19f5f51584de | 32 | #pragma pack(1) |
Benoit | 0:19f5f51584de | 33 | struct IPv4_Header |
Benoit | 0:19f5f51584de | 34 | { |
Benoit | 0:19f5f51584de | 35 | uint8_t ihl :4; |
Benoit | 0:19f5f51584de | 36 | uint8_t version :4; |
Benoit | 0:19f5f51584de | 37 | uint8_t tos; |
Benoit | 0:19f5f51584de | 38 | uint16_t totalLength; |
Benoit | 0:19f5f51584de | 39 | uint16_t id; |
Benoit | 0:19f5f51584de | 40 | uint16_t fragmentFlags; |
Benoit | 0:19f5f51584de | 41 | uint8_t ttl; |
Benoit | 0:19f5f51584de | 42 | uint8_t protocol; |
Benoit | 0:19f5f51584de | 43 | uint16_t crc; |
Benoit | 0:19f5f51584de | 44 | IPv4_Addr_t source, |
Benoit | 0:19f5f51584de | 45 | dest; |
Benoit | 0:19f5f51584de | 46 | }; |
Benoit | 0:19f5f51584de | 47 | #pragma pop |
Benoit | 0:19f5f51584de | 48 | typedef struct IPv4_Header IPv4_Header_t; |
Benoit | 0:19f5f51584de | 49 | |
Benoit | 0:19f5f51584de | 50 | |
Benoit | 0:19f5f51584de | 51 | extern Protocol_Handler_t ipv4; |
Benoit | 0:19f5f51584de | 52 | |
Benoit | 0:19f5f51584de | 53 | |
Benoit | 0:19f5f51584de | 54 | CAPI void IPv4_DumpIPv4Header(const char *prefix, IPv4_Header_t *ipv4Packet); |
Benoit | 0:19f5f51584de | 55 | CAPI uint16_t IPv4_ComputeCRC(IPv4_Header_t *ipv4Header); |
Benoit | 0:19f5f51584de | 56 | |
Benoit | 0:19f5f51584de | 57 | |
Benoit | 0:19f5f51584de | 58 | #endif /* __IPV4_H__ */ |
Benoit | 0:19f5f51584de | 59 |