/** Send ARP/IGMP/MLD/RS events, e.g. on link-up/netif-up or addr-change
*/
static void
netif_issue_reports(struct netif* netif, u8_t report_type)
{
#if LWIP_IPV4
if ((report_type & NETIF_REPORT_TYPE_IPV4) &&
!ip4_addr_isany_val(*netif_ip4_addr(netif))) {
#if LWIP_ARP
/* For Ethernet network interfaces, we would like to send a "gratuitous ARP" */
if (netif->flags & (NETIF_FLAG_ETHARP)) {
etharp_gratuitous(netif);
}
#endif /* LWIP_ARP */
#if LWIP_IGMP
/* resend IGMP memberships */
if (netif->flags & NETIF_FLAG_IGMP) {
igmp_report_groups(netif);
}
#endif /* LWIP_IGMP */
}
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
if (report_type & NETIF_REPORT_TYPE_IPV6) {
#if LWIP_IPV6_MLD
/* send mld memberships */
mld6_report_groups(netif);
#endif /* LWIP_IPV6_MLD */
#if LWIP_IPV6_SEND_ROUTER_SOLICIT
/* Send Router Solicitation messages. */
netif->rs_count = LWIP_ND6_MAX_MULTICAST_SOLICIT;
#endif /* LWIP_IPV6_SEND_ROUTER_SOLICIT */
}
#endif /* LWIP_IPV6 */
}
/**
* Called by a driver when its link goes up
*/
void
if_set_link_up (struct interface *netif)
{
if (!(netif->flags & NETIF_FLAG_LINK_UP))
{
netif->flags |= NETIF_FLAG_LINK_UP;
#if LWIP_DHCP
if (netif->dhcp)
{
dhcp_network_changed (netif);
}
#endif /* LWIP_DHCP */
#if LWIP_AUTOIP
if (netif->autoip)
{
autoip_network_changed (netif);
}
#endif /* LWIP_AUTOIP */
if (netif->flags & NETIF_FLAG_UP)
{
#if LWIP_ARP
/* For Ethernet network interfaces, we would like to send a "gratuitous ARP" */
if (netif->flags & NETIF_FLAG_ETHARP)
{
etharp_gratuitous (netif);
}
#endif /* LWIP_ARP */
#if LWIP_IGMP
/* resend IGMP memberships */
if (netif->flags & NETIF_FLAG_IGMP)
{
igmp_report_groups (netif);
}
#endif /* LWIP_IGMP */
#if LWIP_IPV6 && LWIP_IPV6_MLD
/* send mld memberships */
mld6_report_groups( netif);
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
}
NETIF_LINK_CALLBACK(netif);
}
}
/**
* Bring an interface up, available for processing
* traffic.
*
* @note: Enabling DHCP on a down interface will make it come
* up once configured.
*
* @see dhcp_start()
*/
void
if_set_up (struct interface *netif)
{
if (!(netif->flags & NETIF_FLAG_UP))
{
netif->flags |= NETIF_FLAG_UP;
#if LWIP_SNMP
snmp_get_sysuptime (&netif->ts);
#endif /* LWIP_SNMP */
NETIF_STATUS_CALLBACK (netif);
if (netif->flags & NETIF_FLAG_LINK_UP)
{
#ifdef CONFIG_OPENSWITCH_TCP_IP
#if LWIP_ARP
/* For Ethernet network interfaces, we would like to send a "gratuitous ARP" */
if (netif->flags & (NETIF_FLAG_ETHARP))
{
etharp_gratuitous (netif);
}
#endif /* LWIP_ARP */
#endif
#if 0
/* resend IGMP memberships */
if (netif->flags & NETIF_FLAG_IGMP)
{
igmp_report_groups (netif);
}
#endif /* LWIP_IGMP */
#if LWIP_IPV6 && LWIP_IPV6_MLD
/* send mld memberships */
mld6_report_groups( netif);
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
#if LWIP_IPV6_SEND_ROUTER_SOLICIT
/* Send Router Solicitation messages. */
netif->rs_count = LWIP_ND6_MAX_MULTICAST_SOLICIT;
#endif /* LWIP_IPV6_SEND_ROUTER_SOLICIT */
}
}
}