int udp_port_unreach(in_addr_t __faddr, uint16_t __fport,
in_addr_t __laddr, uint16_t __lport)
{
struct udp_pcb * up;
up = (struct udp_pcb *)pcb_wildlookup(__faddr, __fport,
__laddr, __lport, &__udp__.active);
if (up == NULL) {
DCC_LOG4(LOG_TRACE, "not found: %I:%d > %I:%d",
__laddr, ntohs(__lport), __faddr, ntohs(__lport));
return -1;
}
/* set the error flag */
up->u_icmp_err = 1;
/* unconnect the PCB */
up->u_faddr = INADDR_ANY;
up->u_fport = 0;
/* notify the application */
__os_cond_signal(up->u_rcv_cond);
return 0;
}
inline struct tcp_listen_pcb * tcp_listen_lookup(in_addr_t __faddr,
uint16_t __fport,
in_addr_t __laddr,
uint16_t __lport)
{
return (struct tcp_listen_pcb *)pcb_wildlookup(__faddr, __fport,
__laddr, __lport,
&__tcp__.listen);
}
