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udp_pcb Struct Reference
Data Fields

udp_pcb Struct Reference

the UDP protocol control block More...

#include <udp.h>

Data Fields

 IP_PCB
 Common members of all PCB types.
u16_t local_port
 ports are in host byte order
ip_addr_t multicast_ip
 outgoing network interface for multicast packets
u8_t mcast_ttl
 TTL for outgoing multicast packets.
u16_t chksum_len_rx
 used for UDP_LITE only
udp_recv_fn recv
 receive callback function
void * recv_arg
 user-supplied argument for the recv callback

Detailed Description

the UDP protocol control block

Definition at line 98 of file FEATURE_LWIP/lwip-interface/lwip/src/include/lwip/udp.h.

Field Documentation

u16_t chksum_len_rx

used for UDP_LITE only

Definition at line 119 of file FEATURE_LWIP/lwip-interface/lwip/src/include/lwip/udp.h.

IP_PCB

Common members of all PCB types.

Definition at line 100 of file FEATURE_LWIP/lwip-interface/lwip/src/include/lwip/udp.h.

u16_t local_port

ports are in host byte order

Definition at line 108 of file FEATURE_LWIP/lwip-interface/lwip/src/include/lwip/udp.h.

u8_t mcast_ttl

TTL for outgoing multicast packets.

Definition at line 114 of file FEATURE_LWIP/lwip-interface/lwip/src/include/lwip/udp.h.

ip_addr_t multicast_ip

outgoing network interface for multicast packets

Definition at line 112 of file FEATURE_LWIP/lwip-interface/lwip/src/include/lwip/udp.h.

udp_recv_fn recv

receive callback function

Definition at line 123 of file FEATURE_LWIP/lwip-interface/lwip/src/include/lwip/udp.h.

void * recv_arg

user-supplied argument for the recv callback

Definition at line 125 of file FEATURE_LWIP/lwip-interface/lwip/src/include/lwip/udp.h.

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