//LWIP查询
void LWIP_Polling(void){
// if(timer_expired(&input_time,5)) //接收包，周期处理函数
// {
ethernetif_input(&enc28j60_netif);
// }
if(timer_expired(&last_tcp_time,TCP_TMR_INTERVAL/CLOCKTICKS_PER_MS))//TCP处理定时器处理函数
{
tcp_tmr();
}
if(timer_expired(&last_arp_time,ARP_TMR_INTERVAL/CLOCKTICKS_PER_MS))//ARP处理定时器
{
etharp_tmr();
}
if(timer_expired(&last_ipreass_time,IP_TMR_INTERVAL/CLOCKTICKS_PER_MS)){ //IP重新组装定时器
ip_reass_tmr();
}
#if LWIP_DHCP>0
if(timer_expired(&last_dhcp_fine_time,DHCP_FINE_TIMER_MSECS/CLOCKTICKS_PER_MS))
{
dhcp_fine_tmr();
}
if(timer_expired(&last_dhcp_coarse_time,DHCP_COARSE_TIMER_MSECS/CLOCKTICKS_PER_MS))
{
dhcp_coarse_tmr();
}
#endif
}
CAMLprim value
caml_timer_ip_reass(value v_unit)
{
CAMLparam1(v_unit);
ip_reass_tmr();
CAMLreturn(Val_unit);
}
/**
* Timer callback function that calls ip_reass_tmr() and reschedules itself.
*
* @param arg unused argument
*/
static void ip_reass_timer(void *arg)
{
LWIP_UNUSED_ARG(arg);
LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: ip_reass_tmr()\n"));
ip_reass_tmr();
sys_timeout(IP_TMR_INTERVAL, ip_reass_timer, NULL);
}
static void
ip_timer(void *data)
{
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: ip_reass_tmr()\n"));
ip_reass_tmr();
sys_timeout(1000, ip_timer, NULL);
}
void poll_networking(void)
{
uint64_t now;
if (!netif)
return;
/* poll interface */
netfrontif_poll(netif, LWIP_NETIF_MAX_RXBURST_LEN);
/* process lwIP timers */
now = NSEC_TO_MSEC(NOW());
TIMED(now, ts_etharp, ARP_TMR_INTERVAL, etharp_tmr());
TIMED(now, ts_ipreass, IP_TMR_INTERVAL, ip_reass_tmr());
TIMED(now, ts_tcp, TCP_TMR_INTERVAL, tcp_tmr());
TIMED(now, ts_dns, DNS_TMR_INTERVAL, dns_tmr());
}
static void
lwIPServiceTimers(void)
{
//
// Service the MDIX timer.
//
if((EthernetPHYRead(ETH_BASE, PHY_MR1) & PHY_MR1_LINK) == 0)
{
//
// See if there has not been a link for 2 seconds.
//
if((g_ulLocalTimer - g_ulMDIXTimer) >= 2000)
{
//
// There has not been a link for 2 seconds, so flip the MDI/MDIX
// switch. This is handled automatically by Fury rev A2, but is
// harmless.
//
HWREG(ETH_BASE + MAC_O_MDIX) ^= MAC_MDIX_EN;
//
// Reset the MDIX timer.
//
g_ulMDIXTimer = g_ulLocalTimer;
}
}
else
{
//
// There is a link, so reset the MDIX timer.
//
g_ulMDIXTimer = g_ulLocalTimer;
}
//
// Service the host timer.
//
#if HOST_TMR_INTERVAL
if((g_ulLocalTimer - g_ulHostTimer) >= HOST_TMR_INTERVAL)
{
g_ulHostTimer = g_ulLocalTimer;
lwIPHostTimerHandler();
}
#endif
//
// Service the ARP timer.
//
#if LWIP_ARP
if((g_ulLocalTimer - g_ulARPTimer) >= ARP_TMR_INTERVAL)
{
g_ulARPTimer = g_ulLocalTimer;
etharp_tmr();
}
#endif
//
// Service the TCP timer.
//
#if LWIP_TCP
if((g_ulLocalTimer - g_ulTCPTimer) >= TCP_TMR_INTERVAL)
{
g_ulTCPTimer = g_ulLocalTimer;
tcp_tmr();
}
#endif
//
// Service the AutoIP timer.
//
#if LWIP_AUTOIP
if((g_ulLocalTimer - g_ulAutoIPTimer) >= AUTOIP_TMR_INTERVAL)
{
g_ulAutoIPTimer = g_ulLocalTimer;
autoip_tmr();
}
#endif
//
// Service the DCHP Coarse Timer.
//
#if LWIP_DHCP
if((g_ulLocalTimer - g_ulDHCPCoarseTimer) >= DHCP_COARSE_TIMER_MSECS)
{
g_ulDHCPCoarseTimer = g_ulLocalTimer;
dhcp_coarse_tmr();
}
#endif
//
// Service the DCHP Fine Timer.
//
#if LWIP_DHCP
if((g_ulLocalTimer - g_ulDHCPFineTimer) >= DHCP_FINE_TIMER_MSECS)
{
g_ulDHCPFineTimer = g_ulLocalTimer;
dhcp_fine_tmr();
}
#endif
//
// Service the IP Reassembly Timer
//
#if IP_REASSEMBLY
if((g_ulLocalTimer - g_ulIPReassemblyTimer) >= IP_TMR_INTERVAL)
{
g_ulIPReassemblyTimer = g_ulLocalTimer;
ip_reass_tmr();
}
#endif
//
// Service the IGMP Timer
//
#if LWIP_IGMP
if((g_ulLocalTimer - g_ulIGMPTimer) >= IGMP_TMR_INTERVAL)
{
g_ulIGMPTimer = g_ulLocalTimer;
igmp_tmr();
}
#endif
//
// Service the DNS Timer
//
#if LWIP_DNS
if((g_ulLocalTimer - g_ulDNSTimer) >= DNS_TMR_INTERVAL)
{
g_ulDNSTimer = g_ulLocalTimer;
dns_tmr();
}
#endif
}
int
main(int argc, char **argv)
{
struct netif netif;
sigset_t mask, oldmask, empty;
int ch;
char ip_str[16] = {0}, nm_str[16] = {0}, gw_str[16] = {0};
/* startup defaults (may be overridden by one or more opts) */
IP4_ADDR(&gw, 192,168,0,1);
IP4_ADDR(&ipaddr, 192,168,0,2);
IP4_ADDR(&netmask, 255,255,255,0);
trap_flag = 0;
/* use debug flags defined by debug.h */
debug_flags = LWIP_DBG_OFF;
while ((ch = getopt_long(argc, argv, "dhg:i:m:t:", longopts, NULL)) != -1) {
switch (ch) {
case 'd':
debug_flags |= (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH|LWIP_DBG_HALT);
break;
case 'h':
usage();
exit(0);
break;
case 'g':
ipaddr_aton(optarg, &gw);
break;
case 'i':
ipaddr_aton(optarg, &ipaddr);
break;
case 'm':
ipaddr_aton(optarg, &netmask);
break;
case 't':
trap_flag = !0;
/* @todo: remove this authentraps tweak
when we have proper SET & non-volatile mem */
snmpauthentraps_set = 1;
ipaddr_aton(optarg, &trap_addr);
strncpy(ip_str, ipaddr_ntoa(&trap_addr),sizeof(ip_str));
printf("SNMP trap destination %s\n", ip_str);
break;
default:
usage();
break;
}
}
argc -= optind;
argv += optind;
strncpy(ip_str, ipaddr_ntoa(&ipaddr), sizeof(ip_str));
strncpy(nm_str, ipaddr_ntoa(&netmask), sizeof(nm_str));
strncpy(gw_str, ipaddr_ntoa(&gw), sizeof(gw_str));
printf("Host at %s mask %s gateway %s\n", ip_str, nm_str, gw_str);
#ifdef PERF
perf_init("/tmp/minimal.perf");
#endif /* PERF */
lwip_init();
printf("TCP/IP initialized.\n");
netif_add(&netif, &ipaddr, &netmask, &gw, NULL, mintapif_init, ethernet_input);
netif_set_default(&netif);
netif_set_up(&netif);
#if SNMP_PRIVATE_MIB != 0
/* initialize our private example MIB */
lwip_privmib_init();
#endif
snmp_trap_dst_ip_set(0,&trap_addr);
snmp_trap_dst_enable(0,trap_flag);
snmp_set_syscontact(syscontact_str,&syscontact_len);
snmp_set_syslocation(syslocation_str,&syslocation_len);
snmp_set_snmpenableauthentraps(&snmpauthentraps_set);
snmp_init();
echo_init();
timer_init();
timer_set_interval(TIMER_EVT_ETHARPTMR, ARP_TMR_INTERVAL / 10);
timer_set_interval(TIMER_EVT_TCPTMR, TCP_TMR_INTERVAL / 10);
#if IP_REASSEMBLY
timer_set_interval(TIMER_EVT_IPREASSTMR, IP_TMR_INTERVAL / 10);
#endif
printf("Applications started.\n");
while (1) {
/* poll for input packet and ensure
select() or read() arn't interrupted */
sigemptyset(&mask);
sigaddset(&mask, SIGALRM);
sigprocmask(SIG_BLOCK, &mask, &oldmask);
/* start of critical section,
poll netif, pass packet to lwIP */
if (mintapif_select(&netif) > 0)
{
/* work, immediatly end critical section
hoping lwIP ended quickly ... */
sigprocmask(SIG_SETMASK, &oldmask, NULL);
}
else
{
/* no work, wait a little (10 msec) for SIGALRM */
sigemptyset(&empty);
sigsuspend(&empty);
/* ... end critical section */
sigprocmask(SIG_SETMASK, &oldmask, NULL);
}
if(timer_testclr_evt(TIMER_EVT_TCPTMR))
{
tcp_tmr();
}
#if IP_REASSEMBLY
if(timer_testclr_evt(TIMER_EVT_IPREASSTMR))
{
ip_reass_tmr();
}
#endif
if(timer_testclr_evt(TIMER_EVT_ETHARPTMR))
{
etharp_tmr();
}
}
return 0;
}
static void
lwIPServiceTimers(void)
{
//
// Service the host timer.
//
#if HOST_TMR_INTERVAL
if((g_ui32LocalTimer - g_ui32HostTimer) >= HOST_TMR_INTERVAL)
{
g_ui32HostTimer = g_ui32LocalTimer;
lwIPHostTimerHandler();
}
#endif
//
// Service the ARP timer.
//
#if LWIP_ARP
if((g_ui32LocalTimer - g_ui32ARPTimer) >= ARP_TMR_INTERVAL)
{
g_ui32ARPTimer = g_ui32LocalTimer;
etharp_tmr();
}
#endif
//
// Service the TCP timer.
//
#if LWIP_TCP
if((g_ui32LocalTimer - g_ui32TCPTimer) >= TCP_TMR_INTERVAL)
{
g_ui32TCPTimer = g_ui32LocalTimer;
tcp_tmr();
}
#endif
//
// Service the AutoIP timer.
//
#if LWIP_AUTOIP
if((g_ui32LocalTimer - g_ui32AutoIPTimer) >= AUTOIP_TMR_INTERVAL)
{
g_ui32AutoIPTimer = g_ui32LocalTimer;
autoip_tmr();
}
#endif
//
// Service the DCHP Coarse Timer.
//
#if LWIP_DHCP
if((g_ui32LocalTimer - g_ui32DHCPCoarseTimer) >= DHCP_COARSE_TIMER_MSECS)
{
g_ui32DHCPCoarseTimer = g_ui32LocalTimer;
dhcp_coarse_tmr();
}
#endif
//
// Service the DCHP Fine Timer.
//
#if LWIP_DHCP
if((g_ui32LocalTimer - g_ui32DHCPFineTimer) >= DHCP_FINE_TIMER_MSECS)
{
g_ui32DHCPFineTimer = g_ui32LocalTimer;
dhcp_fine_tmr();
}
#endif
//
// Service the IP Reassembly Timer
//
#if IP_REASSEMBLY
if((g_ui32LocalTimer - g_ui32IPReassemblyTimer) >= IP_TMR_INTERVAL)
{
g_ui32IPReassemblyTimer = g_ui32LocalTimer;
ip_reass_tmr();
}
#endif
//
// Service the IGMP Timer
//
#if LWIP_IGMP
if((g_ui32LocalTimer - g_ui32IGMPTimer) >= IGMP_TMR_INTERVAL)
{
g_ui32IGMPTimer = g_ui32LocalTimer;
igmp_tmr();
}
#endif
//
// Service the DNS Timer
//
#if LWIP_DNS
if((g_ui32LocalTimer - g_ui32DNSTimer) >= DNS_TMR_INTERVAL)
{
g_ui32DNSTimer = g_ui32LocalTimer;
dns_tmr();
}
#endif
//
// Service the link timer.
//
#if LWIP_AUTOIP || LWIP_DHCP
if((g_ui32LocalTimer - g_ui32LinkTimer) >= LINK_TMR_INTERVAL)
{
g_ui32LinkTimer = g_ui32LocalTimer;
lwIPLinkDetect();
}
#endif
}
static void
ip_tmr_cb(void *ctx)
{
ip_reass_tmr();
}