diff options
Diffstat (limited to 'qemu/roms/SLOF/clients/net-snk/app/netlib/udp.c')
| -rw-r--r-- | qemu/roms/SLOF/clients/net-snk/app/netlib/udp.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/qemu/roms/SLOF/clients/net-snk/app/netlib/udp.c b/qemu/roms/SLOF/clients/net-snk/app/netlib/udp.c deleted file mode 100644 index 5d16e52c6..000000000 --- a/qemu/roms/SLOF/clients/net-snk/app/netlib/udp.c +++ /dev/null @@ -1,153 +0,0 @@ -/****************************************************************************** - * 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 - *****************************************************************************/ - -/************************ DEFINITIONS & DECLARATIONS *********************/ - -#include <udp.h> -#include <sys/socket.h> -#include <dhcp.h> -#include <dhcpv6.h> -#include <dns.h> -#ifdef USE_MTFTP -#include <mtftp.h> -#else -#include <tftp.h> -#endif - - - -/****************************** LOCAL VARIABLES **************************/ - - -#ifdef USE_MTFTP - -uint16_t net_tftp_uport; -uint16_t net_mtftp_uport; - -void net_set_tftp_port(uint16_t tftp_port) -{ - net_tftp_uport = tftp_port; -} - -void net_set_mtftp_port(uint16_t tftp_port) -{ - net_mtftp_uport = tftp_port; -} - -#endif - -/****************************** IMPLEMENTATION ***************************/ - - -/** - * NET: Handles UDP-packets according to Receive-handle diagram. - * - * @param udp_packet UDP-packet to be handled - * @param packetsize Length of the packet - * @return ZERO - packet handled successfully; - * NON ZERO - packet was not handled (e.g. bad format) - * @see receive_ether - * @see udphdr - */ -int8_t handle_udp(int fd, uint8_t * udp_packet, uint32_t packetsize) -{ - struct udphdr * udph = (struct udphdr *) udp_packet; - - if (packetsize < sizeof(struct udphdr)) - return -1; // packet is too small - - switch (htons(udph -> uh_dport)) { - case UDPPORT_BOOTPC: - if (udph -> uh_sport == htons(UDPPORT_BOOTPS)) - return handle_dhcp(fd, udp_packet + sizeof(struct udphdr), - packetsize - sizeof(struct udphdr)); - else - return -1; - case UDPPORT_DNSC: - if (udph -> uh_sport == htons(UDPPORT_DNSS)) - return handle_dns(udp_packet + sizeof(struct udphdr), - packetsize - sizeof(struct udphdr)); - else - return -1; - case UDPPORT_DHCPV6C: - return handle_dhcpv6(udp_packet+sizeof(struct udphdr), - packetsize - sizeof(struct udphdr)); - case UDPPORT_TFTPC: -#ifdef USE_MTFTP - return handle_tftp(fd, udp_packet + sizeof(struct udphdr), - packetsize - sizeof(struct udphdr)); -#else - return handle_tftp(fd, udp_packet, packetsize); -#endif - default: -#ifdef USE_MTFTP - if (htons(udph -> uh_dport) == net_tftp_uport) - return handle_tftp(fd, udp_packet + sizeof(struct udphdr), - packetsize - sizeof(struct udphdr)); - else if (htons(udph -> uh_dport) == net_mtftp_uport) - return handle_tftp(fd, udp_packet + sizeof(struct udphdr), - packetsize - sizeof(struct udphdr)); -#endif - return -1; - } -} - -/** - * NET: This function handles situation when "Destination unreachable" - * ICMP-error occurs during sending UDP-packet. - * - * @param err_code Error Code (e.g. "Host unreachable") - * @param packet original UDP-packet - * @param packetsize length of the packet - * @see handle_icmp - */ -void handle_udp_dun(uint8_t * udp_packet, uint32_t packetsize, uint8_t err_code) -{ - struct udphdr * udph = (struct udphdr *) udp_packet; - - if (packetsize < sizeof(struct udphdr)) - return; // packet is too small - - switch (htons(udph -> uh_sport)) { - case UDPPORT_TFTPC: - handle_tftp_dun(err_code); - break; - } -} - -/** - * NET: Creates UDP-packet. Places UDP-header in a packet and fills it - * with corresponding information. - * <p> - * Use this function with similar functions for other network layers - * (fill_ethhdr, fill_iphdr, fill_dnshdr, fill_btphdr). - * - * @param packet Points to the place where UDP-header must be placed. - * @param packetsize Size of the packet in bytes incl. this hdr and data. - * @param src_port UDP source port - * @param dest_port UDP destination port - * @see udphdr - * @see fill_ethhdr - * @see fill_iphdr - * @see fill_dnshdr - * @see fill_btphdr - */ -void fill_udphdr(uint8_t * packet, uint16_t packetsize, - uint16_t src_port, uint16_t dest_port) -{ - struct udphdr * udph = (struct udphdr *) packet; - - udph -> uh_sport = htons(src_port); - udph -> uh_dport = htons(dest_port); - udph -> uh_ulen = htons(packetsize); - udph -> uh_sum = htons(0); -} |