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/* -*- c++ -*- */
/*
* Copyright 2009,2010 Ettus Research LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_NET_COMMON_H
#define INCLUDED_NET_COMMON_H
#include <stdint.h>
#include <stddef.h>
#include <net/socket_address.h>
#include <net/eth_mac_addr.h>
/*
* 1's complement sum for IP and UDP headers
*
* init chksum to zero to start.
*/
unsigned int CHKSUM(unsigned int x, unsigned int *chksum);
typedef void (*udp_receiver_t)(struct socket_address src, struct socket_address dst,
unsigned char *payload, int payload_len);
void init_udp_listeners(void);
void register_addrs(const eth_mac_addr_t *mac_addr, const struct ip_addr *ip_addr);
void register_udp_listener(int port, udp_receiver_t rcvr);
void send_udp_pkt(int src_port, struct socket_address dst,
const void *buf, size_t len);
void handle_eth_packet(uint32_t *p, size_t nlines);
void send_gratuitous_arp(void);
#endif /* INCLUDED_NET_COMMON_H */
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