Daniele Lacamera / USB_Ethernet

CDC/ECM driver for mbed, based on USBDevice by mbed-official. Uses PicoTCP to access Ethernet USB device. License: GPLv2

Dependents:   USBEthernet_TEST

Fork of USB_Ethernet by Daniele Lacamera

modules/pico_udp.h

Committer:
daniele
Date:
2013-08-03
Revision:
2:540f6e142d59

File content as of revision 2:540f6e142d59:

/*********************************************************************
PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved.
See LICENSE and COPYING for usage.

.

*********************************************************************/
#ifndef _INCLUDE_PICO_UDP
#define _INCLUDE_PICO_UDP
#include "pico_addressing.h"
#include "pico_protocol.h"

extern struct pico_protocol pico_proto_udp;

struct __attribute__((packed)) pico_udp_hdr {
  struct pico_trans trans;
  uint16_t len;
  uint16_t crc;
};
#define PICO_UDPHDR_SIZE 8

struct pico_socket *pico_udp_open(void);
int pico_udp_recv(struct pico_socket *s, void *buf, int len, void *src, uint16_t *port);
uint16_t pico_udp_checksum_ipv4(struct pico_frame *f);

#ifdef PICO_SUPPORT_MCAST
int pico_udp_set_mc_ttl(struct pico_socket *s, uint8_t ttl);
int pico_udp_get_mc_ttl(struct pico_socket *s, uint8_t *ttl);
#else
static inline int pico_udp_set_mc_ttl(struct pico_socket *s, uint8_t ttl)
{
  pico_err = PICO_ERR_EPROTONOSUPPORT;
  return -1;
}
static inline int pico_udp_get_mc_ttl(struct pico_socket *s, uint8_t *ttl)
{
  pico_err = PICO_ERR_EPROTONOSUPPORT;
  return -1;
}
#endif /* PICO_SUPPORT_MCAST */

#endif