Daniele Lacamera / PicoTCP-Experimental_CDC_ECM_Branch

Free (GPLv2) TCP/IP stack developed by TASS Belgium

Fork of PicoTCP by Daniele Lacamera

modules/pico_udp.h@1:cfe8984a32b4, 2013-05-17 (annotated)

Committer:
tass
Date:
Fri May 17 12:09:59 2013 +0000
Revision:
1:cfe8984a32b4
Parent:
libraries/picotcp/modules/pico_udp.h@0:d7f2341ab245 
Update for smaller SOCKETQ

Who changed what in which revision?

UserRevisionLine numberNew contents of line
daniele 0:d7f2341ab245 1 /*********************************************************************
daniele 0:d7f2341ab245 2 PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved.
daniele 0:d7f2341ab245 3 See LICENSE and COPYING for usage.
daniele 0:d7f2341ab245 4
daniele 0:d7f2341ab245 5 .
daniele 0:d7f2341ab245 6
daniele 0:d7f2341ab245 7 *********************************************************************/
daniele 0:d7f2341ab245 8 #ifndef _INCLUDE_PICO_UDP
daniele 0:d7f2341ab245 9 #define _INCLUDE_PICO_UDP
daniele 0:d7f2341ab245 10 #include "pico_addressing.h"
daniele 0:d7f2341ab245 11 #include "pico_protocol.h"
daniele 0:d7f2341ab245 12
daniele 0:d7f2341ab245 13 extern struct pico_protocol pico_proto_udp;
daniele 0:d7f2341ab245 14
daniele 0:d7f2341ab245 15 struct __attribute__((packed)) pico_udp_hdr {
daniele 0:d7f2341ab245 16 struct pico_trans trans;
daniele 0:d7f2341ab245 17 uint16_t len;
daniele 0:d7f2341ab245 18 uint16_t crc;
daniele 0:d7f2341ab245 19 };
daniele 0:d7f2341ab245 20 #define PICO_UDPHDR_SIZE 8
daniele 0:d7f2341ab245 21
daniele 0:d7f2341ab245 22 struct pico_socket *pico_udp_open(void);
daniele 0:d7f2341ab245 23 int pico_udp_recv(struct pico_socket *s, void *buf, int len, void *src, uint16_t *port);
daniele 0:d7f2341ab245 24 uint16_t pico_udp_checksum_ipv4(struct pico_frame *f);
daniele 0:d7f2341ab245 25
daniele 0:d7f2341ab245 26 #ifdef PICO_SUPPORT_MCAST
daniele 0:d7f2341ab245 27 int pico_udp_set_mc_ttl(struct pico_socket *s, uint8_t ttl);
daniele 0:d7f2341ab245 28 int pico_udp_get_mc_ttl(struct pico_socket *s, uint8_t *ttl);
daniele 0:d7f2341ab245 29 #else
daniele 0:d7f2341ab245 30 static inline int pico_udp_set_mc_ttl(struct pico_socket *s, uint8_t ttl)
daniele 0:d7f2341ab245 31 {
daniele 0:d7f2341ab245 32 pico_err = PICO_ERR_EPROTONOSUPPORT;
daniele 0:d7f2341ab245 33 return -1;
daniele 0:d7f2341ab245 34 }
daniele 0:d7f2341ab245 35 static inline int pico_udp_get_mc_ttl(struct pico_socket *s, uint8_t *ttl)
daniele 0:d7f2341ab245 36 {
daniele 0:d7f2341ab245 37 pico_err = PICO_ERR_EPROTONOSUPPORT;
daniele 0:d7f2341ab245 38 return -1;
daniele 0:d7f2341ab245 39 }
daniele 0:d7f2341ab245 40 #endif /* PICO_SUPPORT_MCAST */
daniele 0:d7f2341ab245 41
daniele 0:d7f2341ab245 42 #endif