/************************************************************************
* NAME: fnet_eth_timer
*
* DESCRIPTION:
*************************************************************************/
static void fnet_eth_timer( void *cookie )
{
fnet_netif_t *netif = (fnet_netif_t *) cookie;
int connection_flag = ((fnet_eth_if_t *)(netif->if_ptr))->connection_flag;
if(fnet_netif_connected(netif) != connection_flag) /* Is any change in connection. */
{
if(connection_flag == 0) /* Connected. */
{
fnet_eth_change_addr_notify(netif);
}
((fnet_eth_if_t *)(netif->if_ptr))->connection_flag = connection_flag ^ 1;
}
}
/************************************************************************
* NAME: fapp_info_print
*
* DESCRIPTION: Display detailed information about the stack.
************************************************************************/
static void fapp_info_print( fnet_shell_desc_t desc )
{
fnet_char_t mac_str[FNET_MAC_ADDR_STR_SIZE];
fnet_mac_addr_t macaddr;
fnet_netif_desc_t netif = fnet_netif_get_default();
fapp_netif_info_print(desc, netif);
/* HW address, if any */
if(fnet_netif_get_hw_addr(netif, macaddr, sizeof(fnet_mac_addr_t)) == FNET_OK)
{
fnet_shell_println(desc, FAPP_SHELL_INFO_FORMAT_S, "MAC Address", fnet_mac_to_str(macaddr, mac_str));
}
fnet_shell_println(desc, FAPP_SHELL_INFO_FORMAT_D, "MTU", fnet_netif_get_mtu(netif));
fnet_shell_println(desc, FAPP_SHELL_INFO_FORMAT_S, "Link Status", fnet_netif_connected(netif) ? "connected" : "unconnected");
fnet_shell_println(desc, FAPP_SHELL_INFO_FORMAT_D, "Free Heap", fnet_free_mem_status());
#if FAPP_CFG_HTTP_CMD && FNET_CFG_HTTP
fapp_http_info(desc);
#endif
#if FAPP_CFG_DHCP_CMD && FNET_CFG_DHCP && FNET_CFG_IP4
fapp_dhcp_info(desc);
#endif
#if FAPP_CFG_TELNET_CMD && FNET_CFG_TELNET
fapp_telnet_info(desc);
#endif
#if FAPP_CFG_TFTPS_CMD && FNET_CFG_TFTP_SRV
fapp_tftps_info(desc);
#endif
#if FAPP_CFG_LLMNR_CMD && FNET_CFG_LLMNR
fapp_llmnr_info(desc);
#endif
}
/************************************************************************
* NAME: fnet_eth_init
*
* DESCRIPTION: Do initialization for an Ethernet-type interface.
*************************************************************************/
int fnet_eth_init( fnet_netif_t *netif)
{
int result;
#if !FNET_CFG_CPU_ETH_MIB
/* Clear Ethernet statistics. */
fnet_memset_zero(&((fnet_eth_if_t *)(netif->if_ptr))->statistics, sizeof(struct fnet_netif_statistics));
#endif
#if FNET_CFG_IP4
result = fnet_arp_init(netif); /* Init ARP for this interface.*/
#else
result = FNET_OK;
#endif /* FNET_CFG_IP4 */
if(result == FNET_OK)
{
#if FNET_CFG_IP6
#if FNET_CFG_IP6_PMTU_DISCOVERY
fnet_netif_pmtu_init(netif);
#endif
/* Init Neighbor Discovery.*/
if( ( result = fnet_nd6_init (netif, &((fnet_eth_if_t *)(netif->if_ptr))->nd6_if) ) == FNET_OK)
{
/* RFC4861 6.3.3: The host joins the all-nodes multicast address on all
* multicastcapable interfaces.
*/
fnet_netif_join_ip6_multicast ( (fnet_netif_desc_t)netif, &fnet_ip6_addr_linklocal_allnodes );
/* To speed the autoconfiguration process, a host may generate its linklocal
* address (and verify its uniqueness) in parallel with waiting
* for a Router Advertisement. Because a router may delay responding to
* a Router Solicitation for a few seconds, the total time needed to
* complete autoconfiguration can be significantly longer if the two
* steps are done serially.
*/
/* Link-Local Address Generation/Auto configuration.
* It comprises of '1111111010' as the first ten bits followed by 54 zeroes
* and a 64 bit interface identifier.
* For all autoconfiguration types, a link-local address is always configured.
*/
fnet_netif_bind_ip6_addr_prv( netif, (fnet_ip6_addr_t *)&fnet_ip6_addr_any, FNET_NETIF_IP6_ADDR_TYPE_AUTOCONFIGURABLE,
FNET_NETIF_IP6_ADDR_LIFETIME_INFINITE /*in seconds*/, FNET_ND6_PREFIX_LENGTH_DEFAULT /* bits */ );
/* RFC4862: The next phase of autoconfiguration involves obtaining a Router
* Advertisement or determining that no routers are present. If routers
* are present, they will send Router Advertisements that specify what
* sort of autoconfiguration a host can do.
* To obtain an advertisement quickly, a host sends one or more Router
* Solicitations to the all-routers multicast group.
*/
fnet_nd6_rd_start(netif);
}
#endif /* FNET_CFG_IP6 */
/* Set connection flag. */
((fnet_eth_if_t *)(netif->if_ptr))->connection_flag = fnet_netif_connected(netif);
((fnet_eth_if_t *)(netif->if_ptr))->eth_timer =
fnet_timer_new((FNET_ETH_TIMER_PERIOD / FNET_TIMER_PERIOD_MS), fnet_eth_timer, netif);
fnet_eth_number++;
}
return result;
}
