diff options
Diffstat (limited to 'firmware/zpu/lib/net_common.h')
-rw-r--r-- | firmware/zpu/lib/net_common.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/firmware/zpu/lib/net_common.h b/firmware/zpu/lib/net_common.h new file mode 100644 index 000000000..409022352 --- /dev/null +++ b/firmware/zpu/lib/net_common.h @@ -0,0 +1,49 @@ +/* -*- 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 */ |