46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
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/*********************************************************************
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PicoTCP. Copyright (c) 2012-2017 Altran Intelligent Systems. Some rights reserved.
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See COPYING, LICENSE.GPLv2 and LICENSE.GPLv3 for usage.
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.
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*********************************************************************/
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#ifndef INCLUDE_PICO_UDP
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#define INCLUDE_PICO_UDP
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#include "pico_addressing.h"
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#include "pico_protocol.h"
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#include "pico_socket.h"
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#define PICO_UDP_MODE_UNICAST 0x01
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#define PICO_UDP_MODE_MULTICAST 0x02
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#define PICO_UDP_MODE_BROADCAST 0xFF
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struct pico_socket_udp
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{
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struct pico_socket sock;
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int mode;
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uint8_t mc_ttl; /* Multicasting TTL */
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};
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extern struct pico_protocol pico_proto_udp;
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PACKED_STRUCT_DEF pico_udp_hdr {
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struct pico_trans trans;
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uint16_t len;
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uint16_t crc;
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};
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#define PICO_UDPHDR_SIZE 8
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struct pico_socket *pico_udp_open(void);
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uint16_t pico_udp_recv(struct pico_socket *s, void *buf, uint16_t len, void *src, uint16_t *port, struct pico_msginfo *msginfo);
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uint16_t pico_udp_checksum_ipv4(struct pico_frame *f);
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#ifdef PICO_SUPPORT_IPV6
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uint16_t pico_udp_checksum_ipv6(struct pico_frame *f);
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#endif
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int pico_udp_setsockopt(struct pico_socket *s, int option, void *value);
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#endif
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