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Diffstat (limited to 'roms/SLOF/lib/libnet/udp.h')
| -rw-r--r-- | roms/SLOF/lib/libnet/udp.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/roms/SLOF/lib/libnet/udp.h b/roms/SLOF/lib/libnet/udp.h new file mode 100644 index 000000000..e716e04d7 --- /dev/null +++ b/roms/SLOF/lib/libnet/udp.h @@ -0,0 +1,53 @@ +/****************************************************************************** + * Copyright (c) 2004, 2008 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + +#ifndef _UDP_H +#define _UDP_H + +#include <stdint.h> + +#define IPTYPE_UDP 17 + +#define UDPPORT_BOOTPS 67 /**< UDP port of BootP/DHCP-server */ +#define UDPPORT_BOOTPC 68 /**< UDP port of BootP/DHCP-client */ +#define UDPPORT_DNSS 53 /**< UDP port of DNS-server */ +#define UDPPORT_DNSC 32769 /**< UDP port of DNS-client */ +#define UDPPORT_TFTPC 2001 /**< UDP port of TFTP-client */ +#define UDPPORT_DHCPV6C 546 /**< UDP port of DHCPv6-client */ + +/** \struct udphdr + * A header for UDP-packets. + * For more information see RFC 768. + */ +struct udphdr { + uint16_t uh_sport; /**< Source port */ + uint16_t uh_dport; /**< Destinantion port */ + uint16_t uh_ulen; /**< Length in octets, incl. this header and data */ + uint16_t uh_sum; /**< Checksum */ +}; +typedef struct udphdr udp_hdr_t; + +typedef int32_t *(*handle_upper_udp_t)(uint8_t *, int32_t); +typedef void *(*handle_upper_udp_dun_t)(uint8_t); + +/* Handles UDP-packets that are detected by any network layer. */ +extern int8_t handle_udp(int fd, uint8_t * udp_packet, uint32_t packetsize); + +/* Handles UDP related ICMP-Dest.Unreachable packets that are detected by + * the network layers. */ +extern void handle_udp_dun(uint8_t * udp_packet, uint32_t packetsize, uint8_t err_code); + +/* fills udp header */ +extern void fill_udphdr(uint8_t *packet, uint16_t packetsize, + uint16_t src_port, uint16_t dest_port); + +#endif |